CN201789295U - 一种矿用隔爆型数字式有源滤波装置 - Google Patents
一种矿用隔爆型数字式有源滤波装置 Download PDFInfo
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- CN201789295U CN201789295U CN2010205089108U CN201020508910U CN201789295U CN 201789295 U CN201789295 U CN 201789295U CN 2010205089108 U CN2010205089108 U CN 2010205089108U CN 201020508910 U CN201020508910 U CN 201020508910U CN 201789295 U CN201789295 U CN 201789295U
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- 229910052500 inorganic mineral Inorganic materials 0.000 title abstract 3
- 239000011707 mineral Substances 0.000 title abstract 3
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 22
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound 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[Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000004411 aluminium Substances 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000002147 killing Effects 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound 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O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 230000017525 heat dissipation Effects 0.000 abstract description 8
- 238000001914 filtration Methods 0.000 description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
Abstract
本实用新型公开了一种矿用隔爆型数字式有源滤波装置,包括有源滤波器、变压器、开关、隔爆外壳和散热机构,其改进在于:隔爆外壳为分腔结构;有源滤波器腔与变压器及开关腔位于中间,一次设备接线腔位于变压器及开关腔的右侧,二次设备接线腔位于有源滤波器腔的左侧;有源滤波器置于有源滤波器腔内,变压器及开关置于变压器及开关腔内,一次设备置于一次设备接线腔内,二次设备置于二次设备接线腔内;有源滤波器腔与变压器及开关腔之间接有三个接线端子;散热机构包括热管散热器、铸铝散热器1和热交换器,所述散热机构固定在隔爆外壳外。本实用新型的有益效果是工作效率高、散热效果好、使用安全。
Description
一种矿用隔爆型数字式有源滤波装置
技术领域
[0001] 本实用新型涉及一种滤波装置,尤其涉及一种矿用隔爆型数字式有源滤波装置, 属于滤波技术和滤波装置技术领域。
背景技术
[0002] 现如今,我国的电子技术发展的越来越成熟,各种机电一体化的装置也越来越多 的应用到各行各业,为安全高效的生产提供了有力保证。随着工控领域的飞速发展,其应用 领域也在不断的延伸和扩展,如今其产品在煤矿井下作业方面也得到了广泛的应用。而这 些先进的电力电子设备在煤矿井下大量使用的负载绝大部分是非线性的,非线性负载会产 生很大的谐波电流并注入电网,导致电网电压产生畸变。这样,用电器在电网中产生的电网 波谐波污染会严重干扰用电设备和系统的正常运行,极有可能会引起严重事故,对于井下 作业人员的人身安全和设备的安全运行埋下了隐患。
[0003] 目前,为了解决煤矿井上、井下的谐波电网污染,普遍采取的主要有两种方式,无 源调谐式被动滤波和有源动态主动滤波。无源调谐式滤波是针对不同次数的谐波,设计不 同的LC滤波通道,适用性、滤波效果一般;有源主动式滤波是通过对检测到的电流信号分 析后,通过控制功率单元发出与系统谐波相位相反的电流进行抵消,可同时滤除系统中的 多次谐波,具有很强的适用性,滤波效果优良。有源滤波装置在普通民用场合有广泛的应 用。井下配电系统目前采用的只有被动式的无源滤波。因为动态有源滤波在煤矿井下应用, 还存在好多难以解决的问题:井下环境恶劣,要求安全防爆,而目前的动态有源滤波装置都 不防爆,不能在井下应用;滤波器所用的一些大功率器件的散热问题解决不了 ;工作电压 低,只有380V,而煤矿井下的电压为660V以上。
实用新型内容
[0004] 本实用新型所要解决的技术问题是提供一种工作效率高、散热效果好、使用安全 的矿用隔爆型数字式有源滤波装置。
[0005] 为解决上述技术问题,本实用新型所采取的技术方案是:一种矿用隔爆型数字式 有源滤波装置,包括有源滤波器、变压器、开关、隔爆外壳8和散热机构,其改进在于:所述 隔爆外壳为分腔结构,分别为二次设备接线腔1、有源滤波器腔2、变压器及开关腔3、一次 设备接线腔4 ;所述有源滤波器腔2与变压器及开关腔3位于中间,一次设备接线腔4位于 变压器及开关腔3的右侧,二次设备接线腔1位于有源滤波器腔2的左侧;所述有源滤波器 置于有源滤波器腔2内,所述变压器及开关置于变压器及开关腔3内,所述一次设备置于一 次设备接线腔4内,所述二次设备置于二次设备接线腔1内;所述有源滤波器腔2与变压器 及开关腔3之间接有三个接线端子6 ;所述散热机构包括热管散热器9、铸铝散热器10和热 交换器5,所述散热机构固定在隔爆外壳8外。
[0006] 所述有源滤波器腔2与所述变压器及开关腔3的相邻面采用双层钢板结构,所述 有源滤波器腔2与所述变压器及开关腔3之间的间隙填充有隔热材料。[0007] 所述铸铝散热器10由盒式铸件、散热片及连接盖板组成;所述散热片安装在所述 盒式铸件的左右两侧及后侧,所述盒式铸件的前口处固接有连接盖板;所述连接盖板上设 有与电抗器及电抗器接线端子相适配的孔,在所述连接盖板的周边上还均布有安装孔;所 述盒式铸件为长方体,所述盒式铸件的材质为铝;所述散热片为铝制片式散热片;所述盒 式铸件的内周壁与所述电抗器之间的间隙灌有导热硅胶。
[0008] 在有源滤波器腔2与变压器及开关腔3的顶部设有热交换器5,在热交换器上方固 接有钢杆7,在有源滤波器腔2背面的上部设有热管散热器9,在有源滤波器腔2背面的下 部设有铸铝散热器10。
[0009] 所述隔爆外壳8的门是通过断路器开关实现机械闭锁的螺钉固定的铰链门。
[0010] 采用上述技术方案所产生的有益效果在于:本实用新型采用了隔爆结构,使有源 滤波装置在矿井下也能够进行安全运行,对井下配电系统进行有效滤波,使其PCC点的谐 波电压、电流含量能够满足国家要求。并且本实用新型的滤波装置的隔爆外壳采用了分腔 设计,将一次进线设备、二次进线设备、有源滤波器、变压器及开关分别装进不同的腔体内 进行隔离,每个腔体都有自己的温度等级,避免了将其装入同一空间内而造成整体温度等 级下降,对安全生产产生不利影响。本实用新型的散热机构采用了多重散热的方式来保证 装置的散热问题能够良好的解决。有源滤波器腔的IGBT模块采用热管散热器,滤波电抗器 采用铸铝散热器,铸铝散热器内放置滤波电抗器,并从外部与隔爆外壳相固定,将热量在柜 外交换,既满足防爆要求,又有良好的散热效果;内部采用有源滤波器原有风机,能够根据 柜内温度调节转速,能很好的平衡内部温度,避免内部热量聚集。本实用新型工作效率高、 散热效果好、使用安全。
附图说明
[0011] 图1是本实用新型的主体结构示意图;
[0012] 图2是本实用新型的侧视图;
[0013] 图3是本实用新型的铸铝散热器的结构示意图。
[0014] 图中:1、二次设备接线腔;2、有源滤波器腔;3、变压器及开关腔;4、一次设备接线 腔;5、热交换器;6、接线端子;7、钢杆;8、隔爆外壳;9、热管散热器;10、铸铝散热器;1-1、 左散热片;2-1、右散热片;3-1、后散热片;4-1、盒式铸件;5-1、连接盖板;6-1、电抗器接线 端子;7-1、电抗器;8-1、安装孔
具体实施方式
[0015] 下面结合附图对本实用新型作进一步详细说明。
[0016] 参见附图1,一种矿用隔爆型数字式有源滤波装置,包括有源滤波器、变压器、开 关、隔爆外壳8和散热机构,其改进在于:所述隔爆外壳为分腔结构,分别为二次设备接线 腔1、有源滤波器腔2、变压器及开关腔3、一次设备接线腔4 ;所述有源滤波器腔2与变压 器及开关腔3位于中间,一次设备接线腔4位于变压器及开关腔3的右侧,二次设备接线腔 1位于有源滤波器腔2的左侧;所述有源滤波器置于有源滤波器腔2内,所述变压器及开关 置于变压器及开关腔3内,所述一次设备置于一次设备接线腔4内,所述二次设备置于二次 设备接线腔1内;所述有源滤波器腔2与变压器及开关腔3之间接有三个接线端子6 ;所述散热机构包括热管散热器9、铸铝散热器10和热交换器5,所述散热机构固定在隔爆外壳8 外。
[0017] 所述有源滤波器腔2与所述变压器及开关腔3的相邻面采用双层钢板结构,所述 有源滤波器腔2与所述变压器及开关腔3之间的间隙填充有隔热材料。
[0018] 所述铸铝散热器10由盒式铸件、散热片及连接盖板组成;所述散热片安装在所述 盒式铸件的左右两侧及后侧,所述盒式铸件的前口处固接有连接盖板;所述连接盖板上设 有与电抗器及电抗器接线端子相适配的孔,在所述连接盖板的周边上还均布有安装孔;所 述盒式铸件为长方体,所述盒式铸件的材质为铝;所述散热片为铝制片式散热片;所述盒 式铸件的内周壁与所述电抗器之间的间隙灌有导热硅胶。
[0019] 在有源滤波器腔2与变压器及开关腔3的顶部设有热交换器5,在热交换器上方固 接有钢杆7,在有源滤波器腔2背面的上部设有热管散热器9,在有源滤波器腔2背面的下 部设有铸铝散热器10。有源滤波器腔2的IGBT模块采用热管散热器9,滤波电抗器采用铸 铝散热器10,铸铝散热器10内放置滤波电抗器,并从外部与隔爆外壳8相固定,将热量在柜 外交换,既满足防爆要求,又有良好的散热效果;内部采用有源滤波器原有风机,能够根据 柜内温度调节转速,能很好的平衡内部温度,避免内部热量聚集。隔爆外壳8的门是通过断 路器开关实现机械闭锁的螺钉固定的铰链门。
[0020] 有源滤波的电气工作原理为:断路器合闸后,通过滤波板上的限流电阻为直流电 容充电;当直流电容电压达到设定值后,滤波板上接触器闭合,装置处于待机状态。当滤波 开关合闸,装置内的控制器会根据检测到的电流信号,根据装置设定值对IGBT发出控制信 号,使设备发出与系统谐波相位相反的电流信号,从而达到滤波目的。为了适应矿山地面电 压和井下电压的不同,本实用新型中采用了一低阻抗的自耦变压器,能很好的避免电压畸 变,保证滤波效果,使矿用有源滤波装置适用不同电压等级的井下配电系统。
5
Claims (5)
1. 一种矿用隔爆型数字式有源滤波装置,包括有源滤波器、变压器、开关、隔爆外壳 (8)和散热机构,其特征在于:所述隔爆外壳为分腔结构,分别为二次设备接线腔(1)、有源 滤波器腔(2)、变压器及开关腔(3)、一次设备接线腔(4);所述有源滤波器腔(2)与变压器 及开关腔(3)位于中间,一次设备接线腔(4)位于变压器及开关腔(3)的右侧,二次设备接 线腔(1)位于有源滤波器腔(2)的左侧;所述有源滤波器置于有源滤波器腔(2)内,所述变 压器及开关置于变压器及开关腔(3)内,所述一次设备置于一次设备接线腔(4)内,所述二 次设备置于二次设备接线腔(1)内;所述有源滤波器腔(2)与变压器及开关腔(3)之间接 有三个接线端子(6);所述散热机构包括热管散热器(9)、铸铝散热器(10)和热交换器(5),所述散热机构固定在隔爆外壳(8)外。
2.根据权利要求1所述的一种矿用隔爆型数字式有源滤波装置,其特征在于:所述有 源滤波器腔(2)与所述变压器及开关腔(3)的相邻面采用双层钢板结构,所述有源滤波器 腔(2)与所述变压器及开关腔(3)之间的间隙填充有隔热材料。
3.根据权利要求2所述的一种矿用隔爆型数字式有源滤波装置,其特征在于:所述铸 铝散热器(10)由盒式铸件、散热片及连接盖板组成;所述散热片安装在所述盒式铸件的左 右两侧及后侧,所述盒式铸件的前口处固接有连接盖板;所述连接盖板上设有与电抗器及 电抗器接线端子相适配的孔,在所述连接盖板的周边上还均布有安装孔;所述盒式铸件为 长方体,所述盒式铸件的材质为铝;所述散热片为铝制片式散热片;所述盒式铸件的内周 壁与所述电抗器之间的间隙灌有导热硅胶。
4.根据权利要求3所述的一种矿用隔爆型数字式有源滤波装置,其特征在于:在有源 滤波器腔(2)与变压器及开关腔(3)的顶部设有热交换器(5),在热交换器上方固接有钢 杆(7),在有源滤波器腔(2)背面的上部设有热管散热器(9),在有源滤波器腔(2)背面的 下部设有铸铝散热器(10)。
5.根据权利要求4所述的一种矿用隔爆型数字式有源滤波装置,其特征在于:所述隔 爆外壳(8)的门是通过断路器开关实现机械闭锁的螺钉固定的铰链门。
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Cited By (3)
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CN103311822A (zh) * | 2013-06-07 | 2013-09-18 | 中电电气(江苏)股份有限公司 | 一种隔爆型双回路变频变压器低压保护箱 |
CN104348439A (zh) * | 2014-11-21 | 2015-02-11 | 江苏特兴通讯科技有限公司 | 一种用于滤波器的外壳结构及其生产方法 |
CN109530145A (zh) * | 2018-12-22 | 2019-03-29 | 嘉兴学院 | 一种机电一体化闭锁自动控制装置 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103311822A (zh) * | 2013-06-07 | 2013-09-18 | 中电电气(江苏)股份有限公司 | 一种隔爆型双回路变频变压器低压保护箱 |
CN104348439A (zh) * | 2014-11-21 | 2015-02-11 | 江苏特兴通讯科技有限公司 | 一种用于滤波器的外壳结构及其生产方法 |
CN109530145A (zh) * | 2018-12-22 | 2019-03-29 | 嘉兴学院 | 一种机电一体化闭锁自动控制装置 |
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