CN216819048U - Cabinet body of combined low-voltage cabinet - Google Patents
Cabinet body of combined low-voltage cabinet Download PDFInfo
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- CN216819048U CN216819048U CN202220419595.4U CN202220419595U CN216819048U CN 216819048 U CN216819048 U CN 216819048U CN 202220419595 U CN202220419595 U CN 202220419595U CN 216819048 U CN216819048 U CN 216819048U
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Abstract
The utility model relates to the technical field of low-voltage cabinets, and provides a cabinet body of a combined low-voltage cabinet, which comprises a frame, and a top plate, a bottom plate and a back plate which are respectively arranged at the top, the bottom and the back of the frame, wherein a first fan is arranged in the middle of the top plate and is used for exhausting air to the outside of the cabinet body; the bottom plate is provided with a plurality of air inlet holes, and the longitudinal sections of the air inlet holes are of a venturi-like structure. According to the utility model, by virtue of the suction of the first fan and the Venturi effect principle of the air inlet hole on the bottom plate, cold air outside the cabinet body can enter the cabinet body and flow rapidly, so that the heat dissipation effect of the cabinet body is improved, the cooling efficiency is high, and the long-time operation of working elements is facilitated.
Description
Technical Field
The utility model relates to the technical field of low-voltage cabinets, in particular to a cabinet body of a combined low-voltage cabinet.
Background
The low-voltage cabinet is a low-voltage switch cabinet, mainly has the functions of opening and closing, controlling and protecting electric equipment in the process of generating, transmitting, distributing and converting electric energy of an electric power system, has comprehensive properties of safety, economy, reasonability, reliability and the like, and is widely used in various occasions with high automation degree, such as power plants, transformer substations, petroleum, chemical engineering, metallurgical steel rolling, light industrial textiles, factory and mining enterprises, residential districts, high-rise buildings and the like. The components in the low-voltage 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 low-voltage cabinet in the market at present function is comparatively single, and it often uses a plurality of cabinets body combinations in the actual application. However, the existing low-voltage cabinet body has poor heat dissipation effect, the service life of the internal parts of the cabinet is easily influenced by the internal part of the high-temperature cabinet body, and the phenomenon of burning can also occur in serious cases.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a cabinet body of a combined low-voltage cabinet, which aims to solve the problem of poor heat dissipation effect of the existing low-voltage cabinet body.
In order to realize the purpose, the utility model provides the following technical scheme:
a cabinet body of a combined low-voltage cabinet comprises:
a frame; and
the top plate, the bottom plate and the back plate are respectively arranged at the top, the bottom and the back of the frame;
the middle part of the top plate is provided with a first fan used for exhausting air outside the cabinet body; a plurality of air inlet holes are formed in the bottom plate, and the longitudinal sections of the air inlet holes are of a venturi-like structure.
Optionally, a filter screen is arranged on the outer side of the bottom of the frame, and the filter screen can completely cover the bottom plate.
Optionally, a second fan for supplying air into the cabinet is mounted at the lower part of the back plate.
Optionally, the second fan is electrically connected to a temperature sensor pre-installed in the cabinet.
Optionally, the first fan and the second fan are axial fans.
Optionally, a first heat dissipation grid arranged vertically is arranged in the middle of the back plate, and a second heat dissipation grid arranged horizontally is arranged on the upper portion of the back plate.
Optionally, the left and right sides of the frame are detachably provided with side plates, and the side plates are provided with a plurality of groups of third heat dissipation grids which are transversely arranged.
Optionally, a cabinet door of the cabinet body is mounted on the left side of the front vertical surface of the frame through a hinge;
and a control switch is installed at the top of the right side of the front vertical face of the frame, corresponds to the cabinet door and is electrically connected with the first fan.
Optionally, two opposite corner pieces are arranged at four corners in the frame, and a plurality of connecting holes are formed in the corner pieces and used for installing working elements.
Optionally, four corners of the top of the frame are respectively connected with lifting rings, and four corners of the bottom of the frame are respectively provided with supporting casters.
Compared with the prior art, the utility model has the beneficial effects that:
1. through the suction of the first fan and the Venturi effect principle of the air inlet holes in the bottom plate, cold air outside the cabinet body can enter the cabinet body and flow rapidly, the heat dissipation effect of the cabinet body is improved, the cooling efficiency is high, and long-time operation of working elements is facilitated.
2. The first fan exhausts air outwards in an air exhaust mode and the second fan supplies air inwards in an air blowing mode, so that passive and active cooling of working elements in the cabinet body is achieved, and the heat dissipation effect and the cooling efficiency of the cabinet body are further improved.
3. The temperature in the cabinet body is monitored through the temperature sensor, the starting and stopping time of the second fan is controlled, and energy consumption can be saved.
4. Through first heat dissipation grid and transverse arrangement's second heat dissipation grid, the heat that the internal working element of cabinet produced can spread to the external of cabinet, and the external cold air of cabinet can get into the cabinet when first fan is bled simultaneously and internal in order to realize taking a breath, strengthens the internal air flow of cabinet, improves the radiating effect of the cabinet body, reduces the internal temperature rise rate of cabinet to can postpone the start-up time of second fan and reduce the operating time of second fan, realize energy-conserving purpose in the cooling.
5. Through the third heat dissipation grid, the amount of cold air entering the cabinet body can be increased, and the heat dissipation effect of the cabinet body is improved; in addition, when the cabinet body is combined for use, the side plates are detached to communicate the inside of the adjacent cabinet bodies, so that wiring is convenient, meanwhile, air flow in the cabinet body can be enhanced, and the heat dissipation effect of the cabinet body is improved again.
Drawings
In order to more clearly illustrate the embodiments of the present application 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, and it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of another embodiment of the present invention;
fig. 3 is a schematic perspective view of the present invention with the first and second fans removed.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing and simplifying the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered as limiting the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the utility model. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 3, the present invention provides a cabinet 100 of a combined low voltage cabinet, including:
a frame 110; and
a top plate 120, a bottom plate 130, and a back plate 140 respectively disposed on the top, bottom, and back of the frame 110;
wherein, the middle part of the top plate 120 is provided with a first fan 200 for exhausting air to the outside of the cabinet body 100; the bottom plate 130 is provided with a plurality of air inlet holes, and the longitudinal sections of the air inlet holes are of a venturi-like structure (namely, the hole diameters are firstly contracted and then gradually expanded).
When the cabinet 100 works, after the working elements in the cabinet 100 are installed in place, the cabinet door is closed and powered on to operate, the first fan 200 is started to extract heat generated by the working elements, and meanwhile, the air inlet hole in the bottom plate 130 can generate an adsorption effect at the inner bottom of the cabinet 100 through the venturi effect principle and enable air to flow rapidly, so that cold air outside the cabinet 100 is sucked into the cabinet 100, and heat dissipation and cooling in the cabinet 100 are achieved. That is, the cold air outside the cabinet 100 can enter the cabinet 100 and flow rapidly by the suction of the first fan 200 and the venturi effect principle of the air inlet hole on the bottom plate 130, so that the heat dissipation effect of the cabinet 100 is improved, the cooling efficiency is high, and the long-time operation of the working elements is facilitated.
The bottom of the frame 110 is provided with a filter (not shown) on the outside thereof, and the filter can completely cover the bottom plate 130. The suction of external dust can be reduced by the filtering of the filtering net, thereby effectively ensuring the safe operation of the working elements in the cabinet 100.
A second fan 300 for blowing air into the cabinet 100 is installed at a lower portion of the back plate 140. The first fan 200 extracts heat generated by the working components in the cabinet 100 to achieve passive cooling of the working components in the cabinet 100, and the second fan 300 blows outside cold air into the cabinet 100 to actively cool the working components. Namely, the cooperation of the first fan 200 exhausting air outwards in an air exhausting manner and the second fan 300 supplying air inwards in an air blowing manner realizes passive and active cooling of the working elements in the cabinet 100, and further improves the heat dissipation effect and cooling efficiency of the cabinet 100.
The second fan 300 is electrically connected to a temperature sensor (not shown) pre-installed in the cabinet 100. When the temperature sensor detects that the temperature in the cabinet 100 exceeds a preset temperature (for example, 35 ℃ or 40 ℃, which may be set according to a geographical location, a winter/summer season, and an actual use condition), the second fan 300 is turned on, so that external cold air is blown into the cabinet 100 to actively cool the working elements; when the temperature sensor monitors that the temperature of the interior of the cabinet 100 after being cooled is lower than the preset temperature, the second fan 300 stops operating, so that energy consumption can be saved.
In the present embodiment, the first fan 200 and the second fan 300 are preferably axial fans.
The middle of the back plate 140 is provided with a first heat dissipation grid 141 arranged vertically, and the upper of the back plate 140 is provided with a second heat dissipation grid 142 arranged horizontally. Through the first heat dissipation grids 141 and the second heat dissipation grids 142 arranged transversely, heat generated by working elements in the cabinet 100 can be diffused to the outside of the cabinet 100, and meanwhile, cold air outside the cabinet 100 can enter the cabinet 100 to realize ventilation when the first fan 200 draws air, so that air flow in the cabinet 100 is enhanced, the heat dissipation effect of the cabinet 100 is improved, the temperature rise rate in the cabinet 100 is reduced, the starting time of the second fan 300 can be delayed, the operation time of the second fan 300 is reduced, and the purpose of saving energy while cooling is achieved.
The left and right sides of the frame 110 are detachably mounted with side plates 150, and the side plates 150 are provided with a plurality of groups of third heat dissipation grills 151 arranged transversely. Through the third heat dissipation grid 151, the amount of cold air entering the cabinet 100 can be increased, which is beneficial to improving the heat dissipation effect of the cabinet 100; in addition, when the cabinet 100 is assembled for use, the side plates 150 are disassembled to communicate the interiors of the adjacent cabinets 100, so that wiring is facilitated, air flow in the cabinets 100 can be enhanced, and the heat dissipation effect of the cabinets 100 is improved again.
The cabinet door (not shown) of the cabinet 100 is mounted on the left side of the front vertical surface of the frame 110 through a hinge 160; the top of the right side of the front vertical surface of the frame 110 is provided with a control switch, and the control switch corresponds to the cabinet door and is electrically connected with the first fan 200. When the cabinet door is closed, the control switch is triggered, so that the first fan 200 is controlled to be opened and operated.
Two opposite corner pieces 170 are arranged at four corners in the frame 110, and a plurality of connecting holes are formed in the corner pieces 170 and used for installing working elements.
Hanging rings 180 are respectively connected to four corners of the top of the frame 110, and supporting casters 190 are respectively arranged at four corners of the bottom of the frame 110. The plurality of cabinets 100 can be mounted on an embedded track (not shown in the figure) on the ground by hooking the hanging ring 180 through external hoisting equipment, the supporting caster 190 has a structure which can be in rolling fit with the embedded track and can be locked, and the embedded track can limit the cabinets 100 to freely move and can ensure that the adjacent cabinets 100 are aligned in advance; when the cabinet is required to be combined for use, the locking parts of the supporting caster wheels 190 are loosened, the cabinet 100 is pushed to roll on the embedded rails to be close to each other, and then the side plates 150 are disassembled to connect the frames 110 of the adjacent cabinets 100 together, so that the structure is simple, the operation is convenient, and the combination of the cabinets 100 is realized.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, and should be considered to fall within the protection scope of the patent claims of the present invention.
Claims (10)
1. The utility model provides a cabinet body of modular low-voltage cabinet which characterized in that includes:
a frame; and
the top plate, the bottom plate and the back plate are respectively arranged at the top, the bottom and the back of the frame;
the middle part of the top plate is provided with a first fan which is used for exhausting air outside the cabinet body; a plurality of air inlet holes are formed in the bottom plate, and the longitudinal sections of the air inlet holes are of a venturi-like structure.
2. The cabinet body of the combined low-voltage cabinet according to claim 1, wherein a filtering net is disposed outside a bottom of the frame, and the filtering net can completely cover the bottom plate.
3. The cabinet body of the combined low-voltage cabinet as claimed in claim 1 or 2, wherein a second fan for supplying air into the cabinet body is mounted at the lower part of the back plate.
4. The cabinet body of the combined low-voltage cabinet as claimed in claim 3, wherein the second fan is electrically connected to a temperature sensor pre-installed in the cabinet body.
5. The cabinet body of the combined low-voltage cabinet as claimed in claim 4, wherein the first fan and the second fan are axial fans.
6. The cabinet body of the combined low-voltage cabinet as claimed in any one of claims 1, 4 and 5, wherein a first heat dissipation grid arranged vertically is arranged in the middle of the back plate, and a second heat dissipation grid arranged horizontally is arranged at the upper part of the back plate.
7. The cabinet body of the combined low-voltage cabinet as claimed in claim 6, wherein side plates are detachably mounted on left and right sides of the frame, and a plurality of groups of third heat dissipation grids arranged transversely are formed on the side plates.
8. The cabinet body of the combined low-voltage cabinet as claimed in claim 1, wherein:
a cabinet door of the cabinet body is mounted on the left side of the front vertical surface of the frame through a hinge;
and a control switch is installed at the top of the right side of the front vertical face of the frame, corresponds to the cabinet door and is electrically connected with the first fan.
9. The cabinet body of the combined low-voltage cabinet according to claim 1 or 8, wherein two opposite corner fittings are arranged at four corners in the frame, and a plurality of connecting holes are formed in the corner fittings and used for mounting working elements.
10. The cabinet body of the combined low-voltage cabinet as claimed in claim 9, wherein the top four corners of the frame are respectively connected with a hanging ring, and the bottom four corners of the frame are respectively provided with a supporting caster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220419595.4U CN216819048U (en) | 2022-03-01 | 2022-03-01 | Cabinet body of combined low-voltage cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220419595.4U CN216819048U (en) | 2022-03-01 | 2022-03-01 | Cabinet body of combined low-voltage cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216819048U true CN216819048U (en) | 2022-06-24 |
Family
ID=82042925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220419595.4U Active CN216819048U (en) | 2022-03-01 | 2022-03-01 | Cabinet body of combined low-voltage cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216819048U (en) |
-
2022
- 2022-03-01 CN CN202220419595.4U patent/CN216819048U/en active Active
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