CN107591690B - Ventilated switch cabinet - Google Patents
Ventilated switch cabinet Download PDFInfo
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- CN107591690B CN107591690B CN201710813060.9A CN201710813060A CN107591690B CN 107591690 B CN107591690 B CN 107591690B CN 201710813060 A CN201710813060 A CN 201710813060A CN 107591690 B CN107591690 B CN 107591690B
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Abstract
The application belongs to the field of switch cabinets, and particularly relates to a ventilation type switch cabinet, which comprises a switch cabinet body, an inner side plate, a blower, a wind filtering plate and a skylight, wherein the inner side plate is provided with a plurality of air inlets; the inner side plate is provided with a plurality of vent holes which are uniformly distributed, the inner side plate is arranged on the inner side of the side wall of the switch cabinet body, and an air channel is formed between the inner side plate and the side wall of the switch cabinet body; the air filtering plate surrounds the top end of the switch cabinet body in an inclined mode, the skylight is arranged at the top end of the air filtering plate, and a gap is reserved between the skylight and the air filtering plate; the air blower is arranged between the air filtering plate and the switch cabinet body, and the air outlet of the air blower is communicated with the air duct. The air-conditioner can ventilate the switch cabinet body at any time, and can clean equipment of the switch cabinet body by wind power.
Description
Technical Field
The application belongs to the field of switch cabinets, and particularly relates to a ventilation type switch cabinet.
Background
A switch cabinet (switch cabinet) is an electrical device, external wires of the switch cabinet enter a main control switch in the cabinet first, then enter a sub-control switch, and all branches are arranged according to the requirements. Such as meters, automatic control, motor magnetic switches, various ac contactors, etc., and high-voltage and low-voltage switchgear, high-voltage buses, such as power plants, etc., and low-cycle relief for protecting major equipment.
The main function of a switch gear is to open and close, control and protect electric equipment in the process of generating, transmitting, distributing and converting electric energy of a power system. The components in the switch cabinet mainly comprise a breaker, a disconnecting switch, a load switch, an operating mechanism, a transformer, various protection devices and the like. The switch cabinets can be classified into a movable switch cabinet and a fixed switch cabinet in a breaker installation mode, or can be classified into an open switch cabinet, a metal closed switch cabinet and a metal closed armoured switch cabinet according to the difference of cabinet structures, and can be classified into a high-voltage switch cabinet, a medium-voltage switch cabinet, a low-voltage switch cabinet and the like according to different voltage grades. The method is mainly suitable for various different occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industry textile, factories and mining enterprises, residential communities, high-rise buildings and the like.
In the prior art, the switch cabinet generates heat when the equipment works, and the switch cabinet belongs to airtight equipment, so that the heat generated by the equipment cannot pass through the switch cabinet to be emitted. If the radiating holes are directly formed in the wall of the switch cabinet, dust, rainwater and the like in the air can easily enter the switch cabinet, so that equipment is out of order.
In order to solve the heat dissipation problem, the prior art, such as chinese patent CN107026405a, provides a dust removing and heat dissipating structure for a switch cabinet, which comprises a vent pipe and a filter box, wherein a through hole penetrating through the left and right ends is formed in the vent pipe, a stop block and a sealing block are mounted at one end of the vent pipe, the stop block is fixed on the vent pipe, the sealing block can slide left and right on the vent pipe, and a spring sleeved on the vent pipe is arranged between the stop block and the sealing block; the other end of the vent pipe penetrates through the side plate of the filter box and is arranged in the cavity of the filter box, a nut is screwed at one end of the vent pipe arranged in the cavity of the filter box, and a blind hole communicated with the through hole of the vent pipe is formed at one end of the vent pipe arranged in the cavity of the filter box; the blind holes are provided with a plurality of overlapped air inlet heads, one end of each air inlet head is provided with a round boss, the other end of each air inlet head is provided with a blind hole corresponding to the boss, the air inlet heads are internally provided with through holes penetrating through the boss and the blind holes, the bosses are inserted into the blind holes on the air inlet heads, the air inlet heads are overlapped and fixed together, one side of the blind hole of one air inlet head on the rightmost side is provided with a sealing cover, the bosses are inserted into the blind holes on the vent pipe, and the air inlet heads are fixed on the vent pipe; each of the air inlet heads is provided with an air inlet pipe which is symmetrically arranged at the left side and the right side, the air inlet pipe is a hollow pipe, the air inlet pipe is communicated with a through hole in the air inlet head, a cover plate is arranged at the other end of the air inlet pipe, an air inlet is arranged on the cover plate, a columnar sponge is sleeved on the air inlet pipe, a fixed through hole corresponding to the air inlet pipe is arranged in the columnar sponge, the outer edge surface of the air inlet pipe is tightly attached to the inner edge surface of the fixed through hole, a filtering through hole is arranged in the columnar sponge, one end of the filtering through hole is communicated with the fixed through hole, the other end of the filtering through hole penetrates through the other end of the columnar sponge, the diameter of the filtering through hole is larger than that of the fixed through hole, a plurality of layers of filtering layers are arranged left and right in the filtering through hole, an interval is arranged between every two adjacent filtering layers, each layer is formed by a plurality of sponge blocks which are uniformly distributed circumferentially, and the interval between the filtering layers is communicated with the air inlet on the cover plate of the air inlet pipe.
As another example, chinese patent CN206364411U discloses a dustproof and radiating power switch cabinet, which comprises a cabinet body, the cabinet body passes through hinged joint cabinet door, the cabinet door below is equipped with the baffle, the cabinet door left end is equipped with the handle, the cabinet is internal to be constituteed by component chamber and heat dissipation chamber, and the component chamber is located heat dissipation chamber top, be equipped with the baffle between component chamber and the heat dissipation chamber, evenly be equipped with the apopore on the baffle, heat dissipation intracavity left and right sides all is equipped with radiator fan, be equipped with the dust screen standing groove on the cabinet wall of cabinet door, be equipped with the dust screen rather than assorted in the dust screen standing groove.
However, the above two patents are either too complicated in structure or cannot realize the complete ventilation and heat dissipation of the interior of the switch cabinet.
Disclosure of Invention
The application provides a ventilation type switch cabinet which can realize ventilation into a switch cabinet body at any time and can adopt wind power to clean equipment of the switch cabinet body by wind power.
In order to achieve the technical aim, the application adopts the specific technical scheme that the ventilation type switch cabinet comprises a switch cabinet body, an inner side plate, a blower, a wind filtering plate and a skylight; the inner side plate is provided with a plurality of vent holes which are uniformly distributed, the inner side plate is arranged on the inner side of the side wall of the switch cabinet body, and an air channel is formed between the inner side plate and the side wall of the switch cabinet body; the air filtering plate surrounds the top end of the switch cabinet body in an inclined mode, the skylight is arranged at the top end of the air filtering plate, and a gap is reserved between the skylight and the air filtering plate; the air blower is arranged between the air filtering plate and the switch cabinet body, and the air outlet of the air blower is communicated with the air duct.
As an improved technical scheme of the application, the application further comprises a filter cloth which is arranged on the outer surface of the air filtering plate.
As an improved technical scheme of the application, a dust collecting groove is formed at the top end part of the switch cabinet body in an inward manner.
As an improved technical scheme of the application, the application further comprises a storage battery, wherein the storage battery is arranged at the top end of the switch cabinet body and is used for supplying power for the blower.
As an improved technical scheme of the application, the solar energy storage device further comprises a solar panel, wherein the solar panel is arranged at the top end of the skylight and is used for supplying power to the storage battery.
As an improved technical scheme of the application, two inner side plates are symmetrically arranged on two side walls of the switch cabinet body and form two air channels with the side walls.
As an improved technical scheme of the application, two air blowers are arranged, and air outlets of the two air blowers are respectively communicated with one air duct.
Advantageous effects
According to the application, air supply to the air blower is realized through the gap between the air filtering plate and the skylight, and air outlet of the air blower can be uniformly distributed in the switch cabinet body after being homogenized through the vent holes of the inner side plate, so that heat dissipation of the switch cabinet body is realized; when two air blowers are started simultaneously and the ventilation quantity of the air blowers is controlled, the air blown out by the two air blowers can form convection so as to clean the inside of the switch cabinet body.
In conclusion, ventilation to the switch cabinet body at any time is realized, and wind power can be adopted to clean equipment of the switch cabinet body by wind power.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present application;
in the figure: 1. an inner side plate; 2. a switch cabinet body; 3. a wind filtering plate; 4. a blower; 5. a dust collection tank; 6. a skylight.
Detailed Description
In order to make the purpose and technical solution of the embodiments of the present application more clear, the technical solution of the present application will be clearly and completely described below in connection with the embodiments of the present application. It will be apparent that the described embodiments are some, but not all, embodiments of the application. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present application fall within the protection scope of the present application.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The meaning of "inside and outside" in the present application means that the direction of the inside of the pointing device is inside with respect to the device itself, and vice versa, without specific limitation to the mechanism of the apparatus of the present application.
In the examples: an inner side plate 1, a switch cabinet 2, a wind filtering plate 3, a blower 4, a dust collecting groove 5 and a skylight 6.
Examples
As shown in fig. 1, a ventilation type switch cabinet comprises a switch cabinet body, an inner side plate, a blower, a wind filtering plate and a skylight; the inner side plate is provided with a plurality of vent holes which are uniformly distributed, the inner side plate is arranged on the inner side of the side wall of the switch cabinet body, and an air channel is formed between the inner side plate and the side wall of the switch cabinet body; the air filtering plate surrounds the top end of the switch cabinet body in an inclined mode, the skylight is arranged at the top end of the air filtering plate, and a gap is reserved between the skylight and the air filtering plate; the air blower is arranged between the air filtering plate and the switch cabinet body, and the air outlet of the air blower is communicated with the air duct.
When the air filter is used, the air inlet of the air blower is used for air inlet through the gap, and due to the action of the air filtering plate (such as an unpolished rough wood plate is adopted in the embodiment), particles in the air can be settled due to the action of gravity, so that the first filtering of the air is realized. In order to improve the filtering effect of the filter plate like a smooth flat plate, the filter plate also comprises filter cloth which is arranged on the outer surface of the filter plate.
Further, the air blower is positioned right above the air duct, the air inlet of the air blower is connected with the gap by a fold line, and the air enters the gap and then enters the air blower to pass through a turning, so that the second filtering of the air is realized in the turning process (the air can be deflected as long as the air enters the air blower through the gap); in order to collect the particles falling from the air filtered for the second time, a dust collecting groove is formed at the top end part of the switch cabinet body.
As an improved technical scheme of the application, the application further comprises a storage battery, wherein the storage battery is arranged at the top end of the switch cabinet body and is used for supplying power for the blower.
As an improved technical scheme of the application, the solar energy storage device further comprises a solar panel, wherein the solar panel is arranged at the top end of the skylight and is used for supplying power to the storage battery.
In order to clean the inside of the switch cabinet body, two inner side plates are symmetrically arranged on two side walls of the switch cabinet body and form an air channel with the side walls; the air outlets of the two air blowers are respectively communicated with an air duct. The air blower is used for air inlet through the two air channels, the ventilation quantity of the two air blowers is controlled, the air blown by the two air blowers forms convection currents with different intensities, and then heat dissipation or dust cleaning inside the switch cabinet body is achieved.
It will be evident to those skilled in the art that the application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. The ventilation type switch cabinet is characterized by comprising a switch cabinet body, an inner side plate, a blower, a wind filtering plate and a skylight; the inner side plate is provided with a plurality of vent holes which are uniformly distributed, the inner side plate is arranged on the inner side of the side wall of the switch cabinet body, and an air channel is formed between the inner side plate and the side wall of the switch cabinet body; the air filtering plate surrounds the top end of the switch cabinet body in an inclined mode, the skylight is arranged at the top end of the air filtering plate, and a gap is reserved between the skylight and the air filtering plate; the air blower is arranged between the air filtering plate and the switch cabinet body, and the air outlet of the air blower is communicated with the air duct;
the two inner side plates are symmetrically arranged on the two side walls of the switch cabinet body and form two air channels with the side walls;
the two air blowers are respectively communicated with an air duct at the air outlets;
the air inlet of the blower is used for air inlet through a gap, and particles in the air can be settled due to the gravity effect due to the air filtering plate, so that the first filtering of the air is realized;
the air blower is positioned right above the air duct, the air inlet of the air blower is connected with the gap by a fold line, and the air enters the gap and then enters the air blower to pass through a bend, so that the second filtering of the air is realized in the bending process.
2. The ventilated switchgear cabinet of claim 1 further comprising a filter cloth disposed on an outer surface of the air filter plate.
3. A ventilated switchgear according to claim 1, characterized in that the top part of the switchgear body is formed with dust collection grooves.
4. A ventilated switchgear cabinet according to claim 1, characterized in that it further comprises a battery, which is arranged at the top end of the cabinet body for powering the blower.
5. A ventilated switchgear according to claim 4, characterized in that it further comprises a solar panel provided at the top of the skylight and intended to supply the accumulator with electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710813060.9A CN107591690B (en) | 2017-09-11 | 2017-09-11 | Ventilated switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710813060.9A CN107591690B (en) | 2017-09-11 | 2017-09-11 | Ventilated switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107591690A CN107591690A (en) | 2018-01-16 |
| CN107591690B true CN107591690B (en) | 2023-09-12 |
Family
ID=61051042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710813060.9A Active CN107591690B (en) | 2017-09-11 | 2017-09-11 | Ventilated switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107591690B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111193198A (en) * | 2018-11-14 | 2020-05-22 | 山东钢铁股份有限公司 | High-low voltage switch cabinet |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19609796C1 (en) * | 1996-03-13 | 1997-06-05 | Loh Kg Rittal Werk | Cooling device for building on to switch cabinet |
| CN2831715Y (en) * | 2005-11-04 | 2006-10-25 | 常州太平电器有限公司 | Forced ventilator of outdoor cabinet |
| CN201081495Y (en) * | 2007-03-30 | 2008-07-02 | 海尔集团公司 | Freezer with separate cooling unit |
| CN103357232A (en) * | 2013-06-20 | 2013-10-23 | 江苏亿金环保科技股份有限公司 | Electrostatic fabric filter with complete offline function |
| CN204088957U (en) * | 2014-09-12 | 2015-01-07 | 安徽万华电气科技有限公司 | A kind of GGD type AC low-tension switch cubicle |
| CN104332863A (en) * | 2014-11-20 | 2015-02-04 | 成都顺通电器成套有限公司 | Switch cabinet with efficient ventilating and heat-radiating structure |
| CN104353286A (en) * | 2014-12-03 | 2015-02-18 | 田嘉源 | Storage type static dedusting device |
| CN204290122U (en) * | 2015-01-14 | 2015-04-22 | 安徽深蓝电子科技有限公司 | A kind of high efficiency and heat radiation high-voltage ring main unit |
| CN205304041U (en) * | 2016-01-11 | 2016-06-08 | 傅文质 | Switch board with wind channel structure |
| CN205335704U (en) * | 2016-01-29 | 2016-06-22 | 忠县三峡水电设备制造有限公司 | Power distribution cabinet |
| CN205666490U (en) * | 2016-06-06 | 2016-10-26 | 国网河南社旗县供电公司 | Dustproof power box of heat dissipation |
| CN205680961U (en) * | 2016-05-30 | 2016-11-09 | 河南博源电力设备股份有限公司 | Power distribution cabinet remote measuring and controlling system |
| CN205700001U (en) * | 2016-06-17 | 2016-11-23 | 南阳格瑞科技有限公司 | A kind of inner air cleaning apparatus |
| CN205724519U (en) * | 2016-06-27 | 2016-11-23 | 深圳市利业机电设备有限公司 | A kind of low voltage drawing-out switching carbinet housing |
| CN205753111U (en) * | 2016-06-24 | 2016-11-30 | 江苏国控电力设备有限公司 | A kind of heat radiation dehumidifying switch cubicle |
| CN205753013U (en) * | 2016-06-24 | 2016-11-30 | 江苏国控电力设备有限公司 | A kind of Moisture-proof switch cabinet facilitating the rainy day to keep in repair |
| CN205846507U (en) * | 2016-06-08 | 2016-12-28 | 宁波欧日力电器制造有限公司 | A kind of heat abstractor of low-voltage distribution cabinet |
| CN106684716A (en) * | 2016-12-13 | 2017-05-17 | 安徽国晖电气科技有限公司 | Low-voltage switch cabinet with moisture-proof function |
| CN206283149U (en) * | 2016-11-29 | 2017-06-27 | 杭州交联电力设计股份有限公司 | A kind of power system radiating dustproof case |
| CN206370767U (en) * | 2016-12-30 | 2017-08-01 | 杨红刚 | The frequency conversion tank of low temperature drying running environment is maintained in a kind of cabinet |
| CN207320605U (en) * | 2017-09-11 | 2018-05-04 | 江苏银佳企业集团有限公司 | A kind of switchgear with ventilating permeability effect |
-
2017
- 2017-09-11 CN CN201710813060.9A patent/CN107591690B/en active Active
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19609796C1 (en) * | 1996-03-13 | 1997-06-05 | Loh Kg Rittal Werk | Cooling device for building on to switch cabinet |
| CN2831715Y (en) * | 2005-11-04 | 2006-10-25 | 常州太平电器有限公司 | Forced ventilator of outdoor cabinet |
| CN201081495Y (en) * | 2007-03-30 | 2008-07-02 | 海尔集团公司 | Freezer with separate cooling unit |
| CN103357232A (en) * | 2013-06-20 | 2013-10-23 | 江苏亿金环保科技股份有限公司 | Electrostatic fabric filter with complete offline function |
| CN204088957U (en) * | 2014-09-12 | 2015-01-07 | 安徽万华电气科技有限公司 | A kind of GGD type AC low-tension switch cubicle |
| CN104332863A (en) * | 2014-11-20 | 2015-02-04 | 成都顺通电器成套有限公司 | Switch cabinet with efficient ventilating and heat-radiating structure |
| CN104353286A (en) * | 2014-12-03 | 2015-02-18 | 田嘉源 | Storage type static dedusting device |
| CN204290122U (en) * | 2015-01-14 | 2015-04-22 | 安徽深蓝电子科技有限公司 | A kind of high efficiency and heat radiation high-voltage ring main unit |
| CN205304041U (en) * | 2016-01-11 | 2016-06-08 | 傅文质 | Switch board with wind channel structure |
| CN205335704U (en) * | 2016-01-29 | 2016-06-22 | 忠县三峡水电设备制造有限公司 | Power distribution cabinet |
| CN205680961U (en) * | 2016-05-30 | 2016-11-09 | 河南博源电力设备股份有限公司 | Power distribution cabinet remote measuring and controlling system |
| CN205666490U (en) * | 2016-06-06 | 2016-10-26 | 国网河南社旗县供电公司 | Dustproof power box of heat dissipation |
| CN205846507U (en) * | 2016-06-08 | 2016-12-28 | 宁波欧日力电器制造有限公司 | A kind of heat abstractor of low-voltage distribution cabinet |
| CN205700001U (en) * | 2016-06-17 | 2016-11-23 | 南阳格瑞科技有限公司 | A kind of inner air cleaning apparatus |
| CN205753111U (en) * | 2016-06-24 | 2016-11-30 | 江苏国控电力设备有限公司 | A kind of heat radiation dehumidifying switch cubicle |
| CN205753013U (en) * | 2016-06-24 | 2016-11-30 | 江苏国控电力设备有限公司 | A kind of Moisture-proof switch cabinet facilitating the rainy day to keep in repair |
| CN205724519U (en) * | 2016-06-27 | 2016-11-23 | 深圳市利业机电设备有限公司 | A kind of low voltage drawing-out switching carbinet housing |
| CN206283149U (en) * | 2016-11-29 | 2017-06-27 | 杭州交联电力设计股份有限公司 | A kind of power system radiating dustproof case |
| CN106684716A (en) * | 2016-12-13 | 2017-05-17 | 安徽国晖电气科技有限公司 | Low-voltage switch cabinet with moisture-proof function |
| CN206370767U (en) * | 2016-12-30 | 2017-08-01 | 杨红刚 | The frequency conversion tank of low temperature drying running environment is maintained in a kind of cabinet |
| CN207320605U (en) * | 2017-09-11 | 2018-05-04 | 江苏银佳企业集团有限公司 | A kind of switchgear with ventilating permeability effect |
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|---|---|
| CN107591690A (en) | 2018-01-16 |
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