CN206022996U - A dust-proof switch cabinet for electrical equipment - Google Patents
A dust-proof switch cabinet for electrical equipment Download PDFInfo
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- CN206022996U CN206022996U CN201690000087.5U CN201690000087U CN206022996U CN 206022996 U CN206022996 U CN 206022996U CN 201690000087 U CN201690000087 U CN 201690000087U CN 206022996 U CN206022996 U CN 206022996U
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- air inlet
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- dust
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Casings For Electric Apparatus (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Patch Boards (AREA)
Abstract
Description
技术领域technical field
本实用新型涉及一种开关柜,具体是一种电气设备用防尘开关柜。The utility model relates to a switch cabinet, in particular to a dust-proof switch cabinet for electrical equipment.
背景技术Background technique
开关柜是一种电气设备,开关柜外线先进入柜内主控开关,然后进入分控开关,各分路按其需要设置。如仪表,自控,电动机磁力开关,各种交流接触器等,有的还设高压室与低压室开关柜,设有高压母线,如发电厂等,有的还设有为保主要设备的低周减载。The switch cabinet is a kind of electrical equipment. The outside line of the switch cabinet first enters the main control switch in the cabinet, and then enters the sub-control switch. Each branch is set according to its needs. Such as instruments, automatic controls, motor magnetic switches, various AC contactors, etc., some also have high-voltage room and low-voltage room switch cabinets, high-voltage busbars, such as power plants, etc. load shedding.
开关柜的主要作用是在电力系统进行发电、输电、配电和电能转换的过程中,进行开合、控制和保护用电设备。开关柜内的部件主要有断路器、隔离开关、负荷开关、操作机构、互感器以及各种保护装置等组成。开关柜的分类方法很多,如通过断路器安装方式可以分为移开式开关柜和固定式开关柜;或按照柜体结构的不同,可分为敞开式开关柜、金属封闭开关柜、和金属封闭铠装式开关柜;根据电压等级不同又可分为高压开关柜,中压开关柜和低压开关柜等。主要适用于发电厂、变电站、石油化工、冶金轧钢、轻工纺织、厂矿企业和住宅小区、高层建筑等各种不同场合。The main function of the switchgear is to open and close, control and protect electrical equipment during the process of power generation, transmission, distribution and power conversion in the power system. The components in the switch cabinet are mainly composed of circuit breakers, disconnectors, load switches, operating mechanisms, transformers and various protection devices. There are many classification methods of switch cabinets. For example, according to the installation method of circuit breakers, it can be divided into removable switch cabinets and fixed switch cabinets; or according to the different cabinet structures, it can be divided into open switch cabinets, metal-enclosed switch cabinets, and metal Closed armored switchgear; according to different voltage levels, it can be divided into high-voltage switchgear, medium-voltage switchgear and low-voltage switchgear. It is mainly used in various occasions such as power plants, substations, petrochemicals, metallurgical steel rolling, light industry and textiles, factories and mines, residential quarters, and high-rise buildings.
现在的开关柜种类很多,大多数的开关柜都比较注重散热性能,但是随着现在电气设备精密化程度越来越高,现在灰尘对开关柜的影响日益凸显,防尘对开关柜来说非常重要。There are many types of switch cabinets today, and most switch cabinets pay more attention to heat dissipation performance. However, as the degree of precision of electrical equipment is getting higher and higher, the impact of dust on switch cabinets is becoming more and more prominent. Dust prevention is very important for switch cabinets. important.
实用新型内容Utility model content
本实用新型的目的在于提供一种电气设备用防尘开关柜,以解决上述背景技术中提出的问题。The purpose of this utility model is to provide a dust-proof switchgear for electrical equipment to solve the problems raised in the above-mentioned background technology.
为实现上述目的,本实用新型提供如下技术方案:In order to achieve the above object, the utility model provides the following technical solutions:
一种电气设备用防尘开关柜,包括柜体,所述柜体上端设有散热室,所述散热室中设有进气风机,所述进气风机出气口连通柜体,所述进气风机通过第一进气电控阀连接进气管,所述进气管通过除湿器电控阀连接除湿器,所述除湿器设有与柜体连通的除湿器进气道,所述进气管通过室外除尘器电控阀连接室外除尘器,所述室外除尘器连接室外进气口,所述进气管通过室内除尘器电控阀连接室内除尘器,所述室内除尘器下端通过集气罩连接连通柜体,所述柜体内设有室内温度传感器、室内湿度传感器和室内颗粒物检测传感器,所述散热室外设有室外温度传感器和室外颗粒物检测传感器,所述散热室内设有主控模块。A dust-proof switch cabinet for electrical equipment, comprising a cabinet body, the upper end of the cabinet body is provided with a cooling room, the cooling room is provided with an air intake fan, the air outlet of the air intake fan is connected to the cabinet body, and the air intake fan is connected to the cabinet body. The fan is connected to the air intake pipe through the first air intake electric control valve, and the air intake pipe is connected to the dehumidifier through the dehumidifier electric control valve. The electric control valve of the dust collector is connected to the outdoor dust collector, the outdoor dust collector is connected to the outdoor air inlet, the air intake pipe is connected to the indoor dust collector through the electric control valve of the indoor dust collector, and the lower end of the indoor dust collector is connected to the communication cabinet through the gas collecting hood The cabinet is provided with an indoor temperature sensor, an indoor humidity sensor and an indoor particle detection sensor, an outdoor temperature sensor and an outdoor particle detection sensor are provided outside the heat dissipation chamber, and a main control module is provided inside the heat dissipation chamber.
作为本实用新型进一步的方案:所述主控模块分别连接进气风机、第一进气电控阀、除湿器电控阀、室外除尘器电控阀、室内除尘器电控阀、室内温度传感器、室内湿度传感器、室内颗粒物检测传感器、室外温度传感器和室外颗粒物检测传感器。As a further solution of the utility model: the main control module is respectively connected to the air intake fan, the first air intake electric control valve, the electric control valve of the dehumidifier, the electric control valve of the outdoor dust collector, the electric control valve of the indoor dust collector, and the indoor temperature sensor , indoor humidity sensor, indoor particle detection sensor, outdoor temperature sensor and outdoor particle detection sensor.
作为本实用新型进一步的方案:所述柜体表面设有控制面板,所述控制面板上设有控制按钮。As a further solution of the utility model: a control panel is provided on the surface of the cabinet, and control buttons are provided on the control panel.
作为本实用新型进一步的方案:所述进气风机通过螺栓固定在散热室中。As a further solution of the utility model: the air intake fan is fixed in the cooling chamber by bolts.
作为本实用新型进一步的方案:所述室外进气口上端设有挡板。As a further solution of the present invention: the upper end of the outdoor air inlet is provided with a baffle.
作为本实用新型进一步的方案:所述室外进气口上设有过滤栅格。As a further solution of the utility model: the outdoor air inlet is provided with a filter grid.
作为本实用新型进一步的方案:所述室外除尘器内设有三层过滤网。As a further solution of the utility model: the outdoor dust collector is provided with three layers of filter screens.
作为本实用新型进一步的方案:所述室内除尘器中设有两层过滤网。As a further solution of the utility model: the indoor dust collector is provided with two layers of filter screens.
与现有技术相比,本实用新型的有益效果是:本实用新型结构新颖,运行稳定,散热性能好,能够有效的防尘除湿,满足现代开关柜的使用要求。Compared with the prior art, the beneficial effects of the utility model are: the utility model has novel structure, stable operation, good heat dissipation performance, effective dust prevention and dehumidification, and meets the use requirements of modern switch cabinets.
附图说明Description of drawings
图1为电气设备用防尘开关柜的结构示意图;Figure 1 is a schematic structural diagram of a dust-proof switchgear for electrical equipment;
图2为电气设备用防尘开关柜的原理框图。Figure 2 is a schematic block diagram of a dust-proof switchgear for electrical equipment.
图中:1-柜体、2-隔板、3-主控模块、4-出气口、6-散热室、7-进气风机、8-进气管、9-第一进气电控阀、10-除湿器电控阀、11-除湿器、12-室外除尘器电控阀、13-室外进气口、14-挡板、15-室外除尘器、16-室外温度传感器、17-室外颗粒物检测传感器、18-室内除尘器电控阀、19-室内除尘器、20-集气罩、21-室内温度传感器、22-室内湿度传感器、23-室内颗粒物检测传感器、24-除湿器进气道、25-控制面板、26-控制按钮。In the figure: 1-cabinet, 2-partition, 3-main control module, 4-air outlet, 6-heat dissipation chamber, 7-intake fan, 8-intake pipe, 9-first air intake electric control valve, 10-Dehumidifier electric control valve, 11-Dehumidifier, 12-Outdoor dust collector electric control valve, 13-Outdoor air inlet, 14-Baffle, 15-Outdoor dust collector, 16-Outdoor temperature sensor, 17-Outdoor particulate matter Detection sensor, 18-Indoor dust collector electric control valve, 19-Indoor dust collector, 20-Gas collecting hood, 21-Indoor temperature sensor, 22-Indoor humidity sensor, 23-Indoor particle detection sensor, 24-Dehumidifier inlet , 25-control panel, 26-control button.
具体实施方式detailed description
下面将结合本实用新型实施例中的附图,对本实用新型实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本实用新型一部分实施例,而不是全部的实施例。基于本实用新型中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本实用新型保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
请参阅图1和2,本实用新型实施例中,一种电气设备用防尘开关柜,包括柜体1,柜体1上端设有散热室6,散热室6中设有进气风机7,进气风机7出气口4连通柜体1,进气风机7通过第一进气电控阀9连接进气管8,进气管8通过除湿器电控阀10连接除湿器11,除湿器11设有与柜体1连通的除湿器进气道24,进气管8通过室外除尘器电控阀12连接室外除尘器15,室外除尘器15连接室外进气口13,进气管8通过室内除尘器电控阀18连接室内除尘器19,室内除尘器19下端通过集气罩20连接连通柜体1,柜体1内设有室内温度传感器21、室内湿度传感器22和室内颗粒物检测传感器23,散热室6外设有室外温度传感器16和室外颗粒物检测传感器17,散热室6内设有主控模块,主控模块分别连接进气风机7、第一进气电控阀9、除湿器电控阀10、室外除尘器电控阀12、室内除尘器电控阀18、室内温度传感器21、室内湿度传感器22、室内颗粒物检测传感器23、室外温度传感器16和室外颗粒物检测传感器17,柜体1表面设有控制面板25,控制面板25上设有控制按钮26,进气风机7通过螺栓固定在散热室6中,室外进气口13上端设有挡板14,室外进气口13上设有过滤栅格,室外除尘器15内设有三层过滤网,室内除尘器19中设有两层过滤网。Please refer to Figures 1 and 2. In an embodiment of the present utility model, a dust-proof switch cabinet for electrical equipment includes a cabinet body 1, a heat dissipation chamber 6 is provided at the upper end of the cabinet body 1, and an air intake fan 7 is arranged in the heat dissipation chamber 6. The air inlet fan 7 and the air outlet 4 are connected to the cabinet body 1, the air inlet fan 7 is connected to the air inlet pipe 8 through the first air inlet electric control valve 9, the air inlet pipe 8 is connected to the dehumidifier 11 through the dehumidifier electric control valve 10, and the dehumidifier 11 is provided with The dehumidifier air inlet 24 connected with the cabinet body 1, the air inlet pipe 8 is connected to the outdoor dust collector 15 through the outdoor dust collector electric control valve 12, the outdoor dust collector 15 is connected to the outdoor air inlet 13, and the air inlet pipe 8 is electrically controlled through the indoor dust collector The valve 18 is connected to the indoor dust collector 19, and the lower end of the indoor dust collector 19 is connected to the cabinet body 1 through the gas collecting hood 20. The cabinet body 1 is equipped with an indoor temperature sensor 21, an indoor humidity sensor 22 and an indoor particle detection sensor 23. An outdoor temperature sensor 16 and an outdoor particle detection sensor 17 are provided, and a main control module is provided in the cooling chamber 6, and the main control module is respectively connected to the air intake fan 7, the first air intake electric control valve 9, the dehumidifier electric control valve 10, and the outdoor Dust collector electric control valve 12, indoor dust collector electric control valve 18, indoor temperature sensor 21, indoor humidity sensor 22, indoor particulate matter detection sensor 23, outdoor temperature sensor 16 and outdoor particulate matter detection sensor 17, a control panel is provided on the surface of the cabinet body 1 25. The control panel 25 is provided with a control button 26, the air intake fan 7 is fixed in the cooling chamber 6 by bolts, the upper end of the outdoor air inlet 13 is provided with a baffle plate 14, and the outdoor air inlet 13 is provided with a filter grid. The dust collector 15 is provided with three layers of filter screens, and the indoor dust collector 19 is provided with two layers of filter screens.
本实用新型结构新颖,运行稳定,通过室内温度传感器和室外温度传感器的设计,能够实时监控室内外的温差,也能实时监测柜体内的温度情况,当室外温度低于箱体内的温度时,进气风机启动,主控模块控制室外除尘器电控阀,实现室外进气,并通过室外除尘器对室外进气进行过滤除尘处理,室外进气对箱体内进行降温散热处理,减少了空调装置的使用,节省电能,通过室内湿度传感器的设计,实时监控室内外的湿度情况,当柜体内湿度较大时,主控模块控制除湿器电控阀开启,实现柜体内除湿功能,通过室内颗粒物检测传感器和室外颗粒检测传感器的设计,能够实时监控柜体内外的空气中的灰尘颗粒含量,并通过室内除尘器和室外除尘器的设计,对进气进行除尘处理,时刻保持柜体内空气的洁净,保证电气设备高效运行,本实用新型散热性能好,能够有效的防尘除湿,满足现代开关柜的使用要求。The utility model has novel structure and stable operation. Through the design of the indoor temperature sensor and the outdoor temperature sensor, the temperature difference between indoor and outdoor can be monitored in real time, and the temperature inside the cabinet can also be monitored in real time. The air fan starts, the main control module controls the electric control valve of the outdoor dust collector to realize the outdoor air intake, and the outdoor air intake is filtered and dust-removed through the outdoor dust collector, and the outdoor air intake cools and dissipates heat in the box, reducing the air-conditioning device. Use, save electricity, through the design of the indoor humidity sensor, monitor the indoor and outdoor humidity in real time, when the humidity in the cabinet is high, the main control module controls the dehumidifier electric control valve to open to realize the dehumidification function in the cabinet, through the indoor particulate matter detection sensor And the design of the outdoor particle detection sensor can monitor the dust particle content in the air inside and outside the cabinet in real time, and through the design of the indoor dust collector and the outdoor dust collector, the air intake can be dedusted to keep the air in the cabinet clean at all times, ensuring The electrical equipment operates efficiently, the utility model has good heat dissipation performance, can effectively prevent dust and dehumidify, and meets the use requirements of modern switch cabinets.
对于本领域技术人员而言,显然本实用新型不限于上述示范性实施例的细节,而且在不背离本实用新型的精神或基本特征的情况下,能够以其他的具体形式实现本实用新型。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本实用新型的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本实用新型内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to be included in the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.
此外,应当理解,虽然本说明书按照实施方式加以描述,但并非每个实施方式仅包含一个独立的技术方案,说明书的这种叙述方式仅仅是为清楚起见,本领域技术人员应当将说明书作为一个整体,各实施例中的技术方案也可以经适当组合,形成本领域技术人员可以理解的其他实施方式。In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only includes an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.
Claims (8)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/084367 WO2017206112A1 (en) | 2016-06-01 | 2016-06-01 | Dustproof switch cabinet for electrical device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206022996U true CN206022996U (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201690000087.5U Expired - Fee Related CN206022996U (en) | 2016-06-01 | 2016-06-01 | A dust-proof switch cabinet for electrical equipment |
Country Status (2)
| Country | Link |
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| CN (1) | CN206022996U (en) |
| WO (1) | WO2017206112A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110928381A (en) * | 2019-11-28 | 2020-03-27 | 杭州富阳浮想电脑有限公司 | Industrial computer core board protection device |
| CN111614552A (en) * | 2020-05-20 | 2020-09-01 | 韶关市诚湃新能源科技有限公司 | Intelligent Internet of things gateway system |
| CN111628433A (en) * | 2020-06-12 | 2020-09-04 | 杭州电力设备制造有限公司 | Intelligent power distribution cabinet dehumidification system for power system and dehumidification method thereof |
Families Citing this family (6)
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| CN109102624B (en) * | 2018-09-12 | 2021-01-26 | 广东雅柏家具实业有限公司 | Noiseless no formaldehyde low temperature constant humidity financial payment wisdom wardrobe |
| CN108963786B (en) * | 2018-09-28 | 2023-05-12 | 国网河南省电力公司南阳供电公司 | A switch cabinet anti-condensation device |
| CN111313242B (en) * | 2020-03-10 | 2021-07-06 | 浙江省开化七一电力器材有限责任公司 | Contact box detection device for high-voltage switch cabinet |
| CN111668703B (en) * | 2020-06-29 | 2022-04-08 | 广东电网有限责任公司 | Dust collection device for relay protection screen cabinet |
| CN112998494A (en) * | 2021-01-29 | 2021-06-22 | 上海莎沙教育科技有限公司 | Movable rack with protection function for displaying literary works |
| CN114188834B (en) * | 2021-12-31 | 2023-09-22 | 江西俊朗电力装备有限公司 | Dustproof high-voltage switch complete sets of heat dissipation |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6082441A (en) * | 1997-06-13 | 2000-07-04 | Knuerr-Mechanik Fuer Die Elektronik Aktiengellschaft | Cabinet for electric and electronic systems |
| CN204144741U (en) * | 2014-11-06 | 2015-02-04 | 枣庄力源电力设计有限公司 | A kind of waterproof switch cabinet |
| CN104617499B (en) * | 2015-02-05 | 2016-09-14 | 国网山东省电力公司曲阜市供电公司 | High voltage power distribution cabinet with waterproof, heat dissipation and dustproof performance |
| CN204696483U (en) * | 2015-07-06 | 2015-10-07 | 国家电网公司 | A kind of dust-proof radiating type power equipment power distribution cabinet |
| CN205265104U (en) * | 2016-01-07 | 2016-05-25 | 安徽索仕达电力科技有限公司 | Drawer type switch cabinet |
-
2016
- 2016-06-01 CN CN201690000087.5U patent/CN206022996U/en not_active Expired - Fee Related
- 2016-06-01 WO PCT/CN2016/084367 patent/WO2017206112A1/en not_active Ceased
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110928381A (en) * | 2019-11-28 | 2020-03-27 | 杭州富阳浮想电脑有限公司 | Industrial computer core board protection device |
| CN111614552A (en) * | 2020-05-20 | 2020-09-01 | 韶关市诚湃新能源科技有限公司 | Intelligent Internet of things gateway system |
| CN111614552B (en) * | 2020-05-20 | 2022-03-01 | 上海季积信息科技有限公司 | Intelligent Internet of things gateway system |
| CN111628433A (en) * | 2020-06-12 | 2020-09-04 | 杭州电力设备制造有限公司 | Intelligent power distribution cabinet dehumidification system for power system and dehumidification method thereof |
| CN111628433B (en) * | 2020-06-12 | 2025-04-08 | 杭州电力设备制造有限公司 | A kind of intelligent distribution cabinet dehumidification system and dehumidification method for power system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017206112A1 (en) | 2017-12-07 |
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