WO2016138737A1 - 一种电能表自动化检定流水线设备维护方法 - Google Patents

一种电能表自动化检定流水线设备维护方法 Download PDF

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WO2016138737A1
WO2016138737A1 PCT/CN2015/086110 CN2015086110W WO2016138737A1 WO 2016138737 A1 WO2016138737 A1 WO 2016138737A1 CN 2015086110 W CN2015086110 W CN 2015086110W WO 2016138737 A1 WO2016138737 A1 WO 2016138737A1
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equipment
daily maintenance
daily
priority coefficient
pipeline
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王立斌
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HEBEI ELECTRIC POWER COMMISSIONING INSTITUDE
Electric Power Research Institute of State Grid Hebei Electric Power Co Ltd
State Grid Corp of China SGCC
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HEBEI ELECTRIC POWER COMMISSIONING INSTITUDE
Electric Power Research Institute of State Grid Hebei Electric Power Co Ltd
State Grid Corp of China SGCC
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    • GPHYSICS
    • G16INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16ZINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS, NOT OTHERWISE PROVIDED FOR
    • G16Z99/00Subject matter not provided for in other main groups of this subclass

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  • the invention belongs to the technical field of automatic verification of electric energy meters, and particularly relates to a maintenance method for an automatic verification and assembly line of electric energy meters.
  • the technical problem to be solved by the present invention is to provide a method for maintaining an automatic calibration pipeline assembly of a power meter capable of finding a device with a higher priority for daily maintenance.
  • an electric energy meter automatic verification pipeline line equipment maintenance method comprising the following steps:
  • the daily maintenance frequency of the equipment should be increased. If the capital or human resources are limited, the daily maintenance frequency of the front equipment should be improved first.
  • the daily maintenance frequency should be maintained.
  • the daily maintenance priority coefficient P of the device is less than P L
  • the daily maintenance frequency of the device should be reduced.
  • the invention comprehensively considers the unavailability of the device and the influence degree of the device on the pipeline to determine the daily maintenance priority coefficient of the device, and appropriately adjusts the daily maintenance frequency of the device according to the daily maintenance priority coefficient of the device.
  • the invention can find out the equipment with large influence on the pipeline and low reliability, so that the staff can strengthen the maintenance and improve the inspection of the entire assembly line; at the same time, it can find out that the influence on the pipeline is small and the reliability is high.
  • Equipment so that staff can appropriately reduce the frequency of their daily maintenance, thereby saving resources such as capital and manpower.
  • Example 1 The invention will now be specifically described by way of Example 1. This embodiment includes the following steps:
  • the daily maintenance frequency of the equipment should be increased. If the capital or human resources are limited, the daily maintenance frequency of the front equipment should be improved first.
  • the daily maintenance frequency should be maintained.
  • the daily maintenance priority coefficient P of the device is less than P L
  • the daily maintenance frequency of the device should be reduced.
  • the unit is sub/year, and the value of ⁇ f2 should ensure that the daily maintenance frequency of the equipment is a positive integer, ensuring that the daily maintenance frequency of the equipment is a positive integer greater than zero, that is, the daily maintenance frequency of the equipment. At least 1 time / year.
  • the unavailability of the device in step (1) Determine the unavailability of No. 1 equipment (ie, pressure-resistant unit), No. 5 equipment (ie, inspection warehouse), No. 2 equipment (ie, sealer), and No. 4 equipment (ie, loading and unloading robot A), such as Table 2 shows.
  • No. 1 equipment ie, pressure-resistant unit
  • No. 5 equipment ie, inspection warehouse
  • No. 2 equipment ie, sealer
  • No. 4 equipment ie, loading and unloading robot A
  • the daily inspection quantity N f of the assembly line after the failure of the above four devices is as shown in Table 3, and the daily inspection quantity during the normal operation of the assembly line is N.
  • the degree of influence of equipment on the pipeline in step (2) Determine the degree of influence on the assembly line of No. 1 equipment (ie, pressure-resistant unit), No. 5 equipment (ie, inspection warehouse), No. 2 equipment (ie, sealer), and No. 4 equipment (ie, loading and unloading robot A) , as shown in Table 4.
  • No. 1 equipment ie, pressure-resistant unit
  • No. 5 equipment ie, inspection warehouse
  • No. 2 equipment ie, sealer
  • No. 4 equipment ie, loading and unloading robot A
  • the No. 1 device ie, the withstand voltage unit
  • the No. 5 device ie, the verification bin
  • the daily maintenance priority coefficient P of the No. 2 equipment (ie, the sealer) and the No. 4 equipment (ie, the loading and unloading robot A), and the calculation results are sorted from large to small as shown in Table 5.
  • the daily maintenance frequency of No. 1 equipment ie, pressure-resistant unit
  • the daily maintenance frequency of No. 1 equipment ie, pressure-resistant unit
  • ⁇ f1 10000.
  • the No. 4 equipment ie, loading and unloading robot A
  • the No. 5 equipment ie, the verification warehouse
  • equipment with a daily maintenance priority coefficient P greater than P H should appropriately increase its daily maintenance frequency. If resources such as funds or manpower are limited, first ensure that the daily maintenance priority coefficient P is increased.
  • Equipments with a daily maintenance priority coefficient P less than P H and greater than P L should maintain their daily maintenance frequency; equipment with a daily maintenance priority coefficient P less than P L should reduce its daily maintenance frequency to save resources such as capital and manpower.
  • the invention comprehensively considers the unavailability of the device and the influence degree of the device on the pipeline to determine the daily maintenance priority coefficient of the device, and performs the daily maintenance frequency of the device according to the daily maintenance priority coefficient of the device. Appropriate adjustments.
  • the invention can find out the equipment with large influence on the pipeline and low reliability, so that the staff can strengthen the maintenance and improve the inspection of the entire assembly line; at the same time, it can find out that the influence on the pipeline is small and the reliability is high. Equipment, so that staff can appropriately reduce the frequency of their daily maintenance, thereby saving resources such as capital and manpower.
  • the invention provides a scientific basis for the routine maintenance plan of the electric energy meter automatic verification pipeline equipment, and saves manpower and material resources while improving the reliability degree of the equipment, improves the check quantity of the electric energy meter, and reduces the equipment maintenance cost.

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Abstract

一种电能表自动化检定流水线设备维护方法,包括以下步骤:通过设备的故障次数以及每次故障的修复时间得到该设备的不可用度U;计算得到设备对流水线的影响程度F;计算得到设备的日常维护优先级系数P;按日常维护优先级系数P的大小对设备进行排序;设定日常维护优先级系数P的最高阈值与最低阈值;最后确定设备维护方法。其有益效果是为电能表自动化检定流水线设备的日常维护计划提供了科学依据,在提高设备可靠性程度的同时还节省了人力、物力,提高了电能表的检定量,降低了设备维护成本。

Description

一种电能表自动化检定流水线设备维护方法 技术领域
本发明属于电能表自动化检定技术领域,具体涉及一种电能表自动化检定流水线设备维护方法。
背景技术
当前,电能表已实现了用自动化检定流水线进行检定。电能表自动化检定流水线设备众多,任何设备故障都会影响电能表的正常检定工作,因此,必须对自动化检定流水线各个设备进行日常维护。日常维护应主要针对那些经常出现故障且对正常检定量影响较大的设备,否则不但不能提高电能表的检定量,还造成了人力、物力的浪费。
发明内容
本发明所要解决的技术问题是提供一种可找出日常维护优先级较高设备的电能表自动化检定流水线设备维护方法。
为解决上述技术问题所采用的技术方案是:一种电能表自动化检定流水线设备维护方法,包括如下步骤:
(1)获取设备在统计时间内的故障次数n,第i次故障的修复时间ti,单位为h;其中统计时间为T,取T=8760h,即年小时数;确定设备的不可用度U,其表达式为
Figure PCTCN2015086110-appb-000001
(2)获取流水线正常工作时的日检定量N以及设备发生故障后流水线的日检定量Nf;确定设备对流水线的影响程度F,其表达式为
Figure PCTCN2015086110-appb-000002
(3)确定设备的日常维护优先级系数P,其表达式为
P=U×F;
(4)重复步骤(1)-(3),计算流水线上所有设备的日常维护优先级系数P,根据设备的日常维护优先级系数P的大小对设备进行排序,其中日常维护优先级系数P大的设备排序在前;
(5)设定日常维护优先级系数P的最高阈值PH=0.0025,最低阈值PL=0.0010;
(6)确定设备维护方法:当设备的日常维护优先级系数P大于PH时,应提高设备的日常维护频率,如果资金或人力资源有限,则应首先保证提高排序靠前设备的日常维护频率,所述设备的日常维护频率提高的幅度为Δf1=10000×(P-PH),若Δf1>10,则取Δf1=10,单位为次/年;当设备的日常维护优先级系数P小于PH且大于PL时,应当保持其日常维护频率;当设备的日常维护优先级系数P小于PL时,应降低设备的日常维护频率,所述设备的日常维护频率降低的幅度为Δf2=10000×(PL-P),单位为次/年,其中Δf2的取值应保证设备的日常维护频率为正整数。
本发明的有益效果是:
本发明综合考虑了设备的不可用度以及设备对流水线的影响程度等双重因素,以确定设备的日常维护优先级系数,并根据设备的日常维护优先级系数对设备的日常维护频率进行适当调整。该发明能够找出对流水线影响较大且可靠性较低的设备,以便工作人员加强对其维护进而提高整条流水线的检定量;同时,还能找出对流水线影响较小且可靠性较高的设备,以便工作人员适当降低对其进行日常维护的频率,进而节省资金和人力等资源。
具体实施方式
实施例1
下面以实施例1对本发明作具体说明。本实施例包括如下步骤:
(1)获取设备在统计时间内的故障次数n,第i次故障的修复时间ti,单位为h;统计时间为T,取T=8760h,即年小时数;确定设备的不可用度U,其表达式为
Figure PCTCN2015086110-appb-000003
(2)获取流水线正常工作时的日检定量N以及设备发生故障后流水线的日检定量Nf;确定设备对流水线的影响程度F,其表达式为
Figure PCTCN2015086110-appb-000004
(3)确定设备的日常维护优先级系数P,其表达式为
P=U×F;
(4)重复步骤(1)-(3),计算流水线上所有设备的日常维护优先级系数P,对设备的日常维护优先级系数P由大到小进行排序,由此得到设备的由前到后的排序,其中日常维护优先级系数P大的设备排序在前;
(5)设定日常维护优先级系数P的最高阈值PH=0.0025,最低阈值PL=0.0010;两个值是经验值;
(6)确定设备维护方法:当设备的日常维护优先级系数P大于PH时,应提高设备的日常维护频率,如果资金或人力资源有限,则应首先保证提高排序靠前设备的日常维护频率,所述设备的日常维护频率提高的幅度为Δf1=10000×(P-PH),若Δf1>10,则取Δf1=10,单位为次/年;当设备的日常维护优先级系数P小于PH且大于PL时,应当保持其日常维护频率;当设备的日常维护优先级系数P小于PL时,应降低设备的日常维护频率,所述设备的日常维护频率降低的幅度为Δf2=10000×(PL-P),单位为次/年,其中Δf2的取值应保证设备的日常维护频率为正整数,保证设备每年的日常维护频率为大于零的正整数,即设备每年的日常维护频率至少为1次/年。
获取流水线的第1号设备(即耐压单元)、第5号设备(即检定仓)、第2号设备(即铅封机)、第4号设备(即上下料机器人A)的数据。一年内上述4个设备各次故障的修复时间如表1所示。
表1设备各次故障的修复时间
设备 故障次序i 第i次故障的修复时间ti/h
第1号设备(即耐压单元) 1 30
第1号设备(即耐压单元) 2 27
第1号设备(即耐压单元) 3 32
第5号设备(即检定仓) 1 15
第5号设备(即检定仓) 2 28
第5号设备(即检定仓) 3 25
第2号设备(即铅封机) 1 40
第2号设备(即铅封机) 2 43
第4号设备(即上下料机器人A) 1 14
第4号设备(即上下料机器人A) 2 23
根据本实施例的步骤(1)中设备的不可用度
Figure PCTCN2015086110-appb-000005
确定第1号设备(即耐压单元)、第5号设备(即检定仓)、第2号设备(即铅封机)、第4号设备(即上下料机器人A)的不可用度,如表2所示。
表2设备不可用度
设备 设备不可用度
第1号设备(即耐压单元) 0.01016
第5号设备(即检定仓) 0.00776
第2号设备(即铅封机) 0.00947
第4号设备(即上下料机器人A) 0.00422
上述4个设备发生故障后流水线的日检定量Nf如表3所示,其中流水线正常工作时的日检定量为N。
表3设备故障后流水线日检定量Nf
设备 设备故障后流水线日检定量
第1号设备(即耐压单元) N/2
第5号设备(即检定仓) 15N/16
第2号设备(即铅封机) 2N/3
第4号设备(即上下料机器人A) N/2
根据本实施例的步骤(2)中设备对流水线的影响程度
Figure PCTCN2015086110-appb-000006
确定第1号设备(即耐压单元)、第5号设备(即检定仓)、第2号设备(即铅封机)、第4号设备(即上下料机器人A)的对流水线的影响程度,如表4所示。
表4设备对流水线影响程度
设备 设备对流水线的影响程度
第1号设备(即耐压单元) 1/2
第5号设备(即检定仓) 1/16
第2号设备(即铅封机) 1/3
第4号设备(即上下料机器人A) 1/2
根据本实施例的步骤(3)中设备的日常维护优先级系数P的表达式P=U×F,计算得到第1号设备(即耐压单元)、第5号设备(即检定仓)、第2号设备(即铅封机)、第4号设备(即上下料机器人A)的日常维护优先级系数P,计算结果由大到小排序后如表5所示。
表5设备日常维护优先级系数
设备 日常维护优先级系数
第1号设备(即耐压单元) 0.0051
第5号设备(即检定仓) 0.0032
第2号设备(即铅封机) 0.0021
第4号设备(即上下料机器人A) 0.0005
由表5可知,第1号设备(即耐压单元)与第2号设备(即铅封机)的日常维护优先级系数均大于PH,其日常维护频率应适当提高,
当资金或人力等资源有限时,应首先保证提高第1号设备(即耐压单元)的日常维护频率;其中第1号设备(即耐压单元)的日常维护频率提高的幅度为Δf1=10000×(P-PH)=26>10,则取Δf1=10次/年,即第1号设备(即耐压单元)的日常维护频率每年提高10次;
其中第2号设备(即铅封机)的日常维护频率提高的幅度为Δf1=10000×(P-PH)=7次/年,即第2号设备(即铅封机)的日常维护频率每年提高7次;
第4号设备(即上下料机器人A)日常维护优先级系数小于PH且大于PL,其日常维护频率应保持不变;
第5号设备(即检定仓)日常维护优先级系数小于PL,其日常维护频率应适当降低;第5号设备(即检定仓)的日常维护频率降低的幅度为Δf2=10000×(PL-P)=5次/年。
综上所述,日常维护优先级系数P大于PH的设备应适当提高其日常维护频率,如果资金或人力等资源有限,则应首先保证改善日常维护优先级系数P较大设备的日常维护频率;日常维护优先级系数P小于PH且大于PL的设备应当保持其日常维护频率;日常维护优先级系数P小于PL的设备应当降低其日常维护频率,以节省资金和人力等资源。
本发明综合考虑了设备的不可用度以及设备对流水线的影响程度等双重因素,以确定设备的日常维护优先级系数,并根据设备的日常维护优先级系数对设备的日常维护频率进行 适当调整。该发明能够找出对流水线影响较大且可靠性较低的设备,以便工作人员加强对其维护进而提高整条流水线的检定量;同时,还能找出对流水线影响较小且可靠性较高的设备,以便工作人员适当降低对其进行日常维护的频率,进而节省资金和人力等资源。
本发明为电能表自动化检定流水线设备的日常维护计划提供了科学依据,在提高设备可靠性程度的同时还节省了人力、物力,提高了电能表的检定量,降低了设备维护成本。
以上所述实施方式仅为本发明的优选实施例,而并非本发明可行实施方式的穷举。对于本领域一般技术人员而言,在不背离本发明原理和精神的前提下对其所作出的任何显而易见的改动,都应当被认为包含在本发明的权利要求保护范围之内。

Claims (1)

  1. 一种电能表自动化检定流水线设备维护方法,其特征在于包括如下步骤:
    (1)获取设备在统计时间内的故障次数n,第i次故障的修复时间ti,单位为h;其中统计时间为T,取T=8760h,即年小时数;确定设备的不可用度U,其表达式为
    Figure PCTCN2015086110-appb-100001
    (2)获取流水线正常工作时的日检定量N以及设备发生故障后流水线的日检定量Nf;确定设备对流水线的影响程度F,其表达式为
    Figure PCTCN2015086110-appb-100002
    (3)确定设备的日常维护优先级系数P,其表达式为
    P=U×F:
    (4)重复步骤(1)-(3),计算流水线上所有设备的日常维护优先级系数P,根据设备的日常维护优先级系数P的大小对设备进行排序,其中日常维护优先级系数P大的设备排序在前;
    (5)设定日常维护优先级系数P的最高阈值PH=0.0025,最低阈值PL=0.0010;
    (6)确定设备维护方法:当设备的日常维护优先级系数P大于PH时,应提高设备的日常维护频率,如果资金或人力资源有限,则应首先保证提高排序靠前设备的日常维护频率,所述设备的日常维护频率提高的幅度为Δf1=10000×(P-PH),若Δf1>10,则取Δf1=10,单位为次/年;当设备的日常维护优先级系数P小于PH且大于PL时,应当保持其日常维护频率;当设备的日常维护优先级系数P小于PL时,应降低设备的日常维护频率,所述设备的日常维护频率降低的幅度为Δf2=10000×(PL-P),单位为次/年,其中Δf2的取值应保证设备的日常维护频率为正整数。
PCT/CN2015/086110 2015-03-05 2015-08-05 一种电能表自动化检定流水线设备维护方法 Ceased WO2016138737A1 (zh)

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