CN206640319U - 一种配电箱配变终端 - Google Patents
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Abstract
本实用新型涉及一种配电箱配变终端,包括箱体和采集处理器,采集处理器上连接有无功补偿控制器,采集处理器上设有RS‑485通讯接口,无功补偿控制器依靠采集处理器下发的控制信号实现无功补偿,RS‑485通讯接口上连接有剩余电流动作保护器,箱体上设有分支回路监测装置,采集处理器上连接有数字信号处理器,箱体外设有与主站正常连接的GPRS通信装置;本实用新型的优点:通过采集处理器下发控制信号,实现了无功补偿器对配电箱内的电压进行补偿处理,提高电网的功率因数,降低供电变压器及输送线路的损耗,提高供电效率,改善供电环境,且通过采集处理器下发控制信号,实现了无功补偿器自动化控制,实现无功补偿器补偿功率能一步到位。
Description
技术领域
本实用新型涉及一种配电箱配变终端。
背景技术
目前,配电箱是构成低压林按电气接线,要求将开关设备、测量仪表、保护电器和辅助设备组装在封闭或半封闭金属柜中或屏幅上,能合理的分配电能,方便对电路的开合操作,现有配电箱在使用过程中,由于不同的因素造成网络的损耗,电网质量下降的问题,而现有配电箱中存在的无功补偿***均由人工操作,操作不当时,造成补偿功率不能一步到位,冲击电流过大,***特性容易漂移,维护成本高、造成设备整体投资费用高。
实用新型内容
本实用新型要解决的技术问题就是提供一种配电箱配变终端,解决现有配电箱存在补偿效率差的问题。
为了解决上述技术问题,本实用新型是通过以下技术方案实现的:一种配电箱配变终端,包括箱体和设置在箱体内的采集处理器,采集处理器上连接有无功补偿控制器,采集处理器上设有RS-485通讯接口,无功补偿控制器依靠采集处理器下发的控制信号实现无功补偿,RS-485通讯接口上连接有剩余电流动作保护器,箱体上设有分支回路监测装置,采集处理器与分支回路监测装置之间通过RS-485通讯接口通信,采集处理器上连接有数字信号处理器,箱体上设有与采集处理器相连的备用电源,箱体外设有与主站正常连接的GPRS通信装置。
优选的,备用电源包括充电电池组和超级电容组,充电电池组上设有第一磁性控制开关,超级电容组上设有第二磁性控制开关,第一磁性控制开关和第二磁性控制开关为一对联动开关,能实现充电电池组和超级电容组的快速互换,保证采集处理器能将停电事件上传至主站内。
优选的,充电电池组包括电池座和四节设置在电池座内的镍氢电池,电池座上设有与采集处理器相连的第一导线,能实现充电电池组的快速更换。
优选的,超级电容组包括超级电容和设置在超级电容上的连接线,连接线上连接有超级电容充电的电源线,超级电容上设有与采集处理器相连的第二导线,充电可靠,连接方便,能保证超级电容组的连续性供电。
优选的,GPRS通信装置包括固定板和GPRS无线数传模块,GPRS无线数传模块设置在固定板上,固定板设置在箱体上,能实现终端与主站的正常连接,固定板将GPRS无线数传模块固定在箱体上,能防止GPRS无线数传模块的损坏。
优选的,GPRS无线数传模块上设有USB接口,能够支持U盘升级等维护功能。
综上所述,本实用新型的优点:1.通过采集处理器下发控制信号,实现了无功补偿器对配电箱内的电压进行补偿处理,提高电网的功率因数,降低供电变压器及输送线路的损耗,提高供电效率,改善供电环境,且通过采集处理器下发控制信号,能根据线路的实际运行情况下方最佳的补偿方式,实现了无功补偿器自动化控制,实现无功补偿器补偿功率能一步到位,减少了配电箱的损坏;
2.剩余电流动作保护器的设置,能将通讯的配电箱中的电压、电流、当前剩余电流值、剩余电流越限事件、跳闸事件、闭锁事件等数据进行存储,并通过RS-485通讯接口接入在采集处理器上,能实现剩余电流动作保护器的多点测量;
3.分支回路监测装置的设置,能对每个分支回路监测信息作为一个测量点存储相应的电压、电流、功率等数据;
4.备用电源的设置,能保证终端停电后,能提高备用电池立即上报停电事件,并记录停电时间;
5.GPRS通信装置的设置,能保证箱体与主站的正常连接,应用于地下室等场所时,距离户外开阔空间较远的区域。
附图说明
下面结合附图对本实用新型作进一步说明:
图1为本实用新型一种配电箱配变终端的结构示意图;
图2为本实用新型充电电池组的结构示意图;
图3为本实用新型超级电容组的结构示意图。
具体实施方式
如图1、图2、图3所示,一种配电箱配变终端,包括箱体1和设置在箱体1内的采集处理器2,采集处理器2上连接有无功补偿控制器9,采集处理器2上设有RS-485通讯接口21,无功补偿控制器9依靠采集处理器2下发的控制信号实现无功补偿,RS-485通讯接口21上连接有剩余电流动作保护器22,箱体1上设有分支回路监测装置3,采集处理器2与分支回路监测装置3之间通过RS-485通讯接口21通信,采集处理器2上连接有数字信号处理器4,箱体1上设有与采集处理器2相连的备用电源5,箱体1外设有与主站正常连接的GPRS通信装置6,采集处理器2通过RS-485向无功补偿控制器9传输控制信号,箱体1与主站之间的数据传输通道采用无线公网、以太网和光纤。
备用电源5包括充电电池组7和超级电容组8,充电电池组7上设有第一磁性控制开关70,超级电容组8上设有第二磁性控制开关80,第一磁性控制开关70和第二磁性控制开关80为一对联动开关,能实现充电电池组和超级电容组的快速互换,保证采集处理器能将停电事件上传至主站内。
充电电池组7包括电池座71和四节设置在电池座71内的镍氢电池72,电池座71上设有与采集处理器2相连的第一导线73,能实现充电电池组的快速更换,且将镍氢电池的电压设置成1.2V,且镍氢电池72的充电循环次数不低于1000次,当充电电池组7供电时,主站通讯不低于60秒的能力;超级电容组8包括超级电容81和设置在超级电容上的连接线82,连接线82上连接有超级电容充电的电源线83,超级电容81上设有与采集处理器2相连的第二导线84,充电可靠,连接方便,能保证超级电容组的连续性供电,当超级电容组8供电时,主站通讯不低于30秒的能力。
GPRS通信装置6包括固定板61和GPRS无线数传模块60,GPRS无线数传模块60设置在固定板61上,固定板61设置在箱体1上,能实现终端与主站的正常连接,固定板将GPRS无线数传模块固定在箱体上,能防止GPRS无线数传模块的损坏,GPRS无线数传模块60上设有USB接口63,能够支持U盘升级等维护功能。
无功补偿器9包括电容器组,且无功补偿器9包括分相补偿室和三相共补室,电容器组上设有通讯接口,无功补偿器9上设有过流保护装置或速断的保护装置,无功补偿器9的投切方式根据不同的需求采用可控硅复合开关或电磁继电器式开关,无功补偿器9具有进行远程投切、补偿参数设置、补偿记录查询、分区段功率因数统计的功能,通过电容电流与实际投切电容量的对比,实现电容器的在线状态检测,在额定电网中切除后,为了满足3min之内将残压控制在50V以下,本实施例中的电容器采用低压自愈式电容器,且低压自愈式电容器的电压应选取大于1.1倍***运行额定有效值电压,且电容器组上配置有电抗器,无功补偿器9上设有避雷器,能防止雷电过电压、操作浪涌过电压和其他瞬态过电压对交流电源***和用电设备造成的损坏。
使用时,将箱体1安装在配电箱上或设置在配电箱附件,将无功补偿器9与配电箱相连,采集处理器2接收到分支回路监测装置3检测到线路出现重负荷时,采集处理器2通过RS-485向无功补偿器9下方控制信号,无功补偿器9投入一组电容器组,使线路达到补偿,并通过采集处理器2采集和统计电容器组的运行参数,当箱体1发生停电后,备用电源5立即向采集处理器2通电使采集处理器2立即上报停电事件,并记录停电时间。
除上述优选实施例外,本实用新型还有其他的实施方式,本领域技术人员可以根据本实用新型作出各种改变和变形,只要不脱离本实用新型的精神,均应属于本实用新型所附权利要求所定义的范围。
Claims (6)
1.一种配电箱配变终端,其特征在于:包括箱体(1)和设置在箱体(1)内的采集处理器(2),采集处理器(2)上连接有无功补偿控制器(9),采集处理器(2)上设有RS-485通讯接口(21),无功补偿控制器(9)依靠采集处理器(2)下发的控制信号实现无功补偿,RS-485通讯接口(21)上连接有剩余电流动作保护器(22),箱体(1)上设有分支回路监测装置(3),采集处理器(2)与分支回路监测装置(3)之间通过RS-485通讯接口(21)通信,采集处理器(2)上连接有数字信号处理器(4),箱体(1)上设有与采集处理器(2)相连的备用电源(5),箱体(1)外设有与主站正常连接的GPRS通信装置(6)。
2.根据权利要求1所述的一种配电箱配变终端,其特征在于:备用电源(5)包括充电电池组(7)和超级电容组(8),充电电池组(7)上设有第一磁性控制开关(70),超级电容组(8)上设有第二磁性控制开关(80),第一磁性控制开关(70)和第二磁性控制开关(80)为一对联动开关。
3.根据权利要求2所述的一种配电箱配变终端,其特征在于:充电电池组(7)包括电池座(71)和四节设置在电池座(71)内的镍氢电池(72),电池座(71)上设有与采集处理器(2)相连的第一导线(73)。
4.根据权利要求2所述的一种配电箱配变终端,其特征在于:超级电容组(8)包括超级电容(81)和设置在超级电容上的连接线(82),连接线(82)上连接有超级电容充电的电源线(83),超级电容(81)上设有与采集处理器(2)相连的第二导线(84)。
5.根据权利要求1所述的一种配电箱配变终端,其特征在于:GPRS通信装置(6)包括固定板(61)和GPRS无线数传模块(60),GPRS无线数传模块(60)设置在固定板(61)上,固定板(61)设置在箱体(1)上。
6.根据权利要求5所述的一种配电箱配变终端,其特征在于:GPRS无线数传模块(60)上设有USB接口(63)。
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CN106992529A (zh) * | 2017-04-01 | 2017-07-28 | 国家电网公司 | 一种提高无功补偿效率的配电箱配变终端 |
CN112531877A (zh) * | 2020-11-26 | 2021-03-19 | 贵州电网有限责任公司 | 一种停电时自动切换备用电源的配变监测计量终端 |
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Cited By (3)
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CN106992529A (zh) * | 2017-04-01 | 2017-07-28 | 国家电网公司 | 一种提高无功补偿效率的配电箱配变终端 |
CN112531877A (zh) * | 2020-11-26 | 2021-03-19 | 贵州电网有限责任公司 | 一种停电时自动切换备用电源的配变监测计量终端 |
CN112531877B (zh) * | 2020-11-26 | 2022-12-09 | 贵州电网有限责任公司 | 一种停电时自动切换备用电源的配变监测计量终端 |
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