CN103323808B - Simple faulted electric energy meter test method - Google Patents
Simple faulted electric energy meter test method Download PDFInfo
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- CN103323808B CN103323808B CN201310218810.XA CN201310218810A CN103323808B CN 103323808 B CN103323808 B CN 103323808B CN 201310218810 A CN201310218810 A CN 201310218810A CN 103323808 B CN103323808 B CN 103323808B
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Abstract
本发明涉及一种故障电能表简易测试方法，属于供电检修维护技术领域。技术方案是：带电检测，用检测灯头来模拟电能表以下的负荷，检测灯头和钳形电流表串联后，连接在负载火线出线端和负载零线出线端之间；计时器匹配钳形电流表；正常电能表的每分钟脉冲次数等于：脉冲常数×0.1÷60，右手用钳形电流表观测电流值，左手拿计时器观测电表运行情况，如果每分钟测出的脉冲数误差在一次以上，就判定该电能表有故障。本发明可以直观的、快速的找到故障表，提高工作效率；操作简单,容易掌握，并能保证准确性，大大避免了因拆装电表原因造成接线错误；缩短了停电时间、减少了用户的不理解、减轻了工作人员的工作量。
The invention relates to a simple testing method for a fault electric energy meter, which belongs to the technical field of power supply maintenance. The technical solution is: live detection, using the detection lamp cap to simulate the load below the electric energy meter, after the detection lamp cap is connected in series with the clamp ammeter, it is connected between the outlet of the live wire of the load and the outlet of the neutral wire of the load; the timer matches the clamp ammeter; normal The number of pulses per minute of the electric energy meter is equal to: pulse constant × 0.1÷60, observe the current value with the clamp ammeter in the right hand, and observe the operation of the ammeter with the timer in the left hand. If the error of the measured pulse number is more than one per minute, it is judged that The energy meter is faulty. The invention can intuitively and quickly find the fault meter, improve work efficiency; the operation is simple, easy to master, and can ensure accuracy, greatly avoiding wiring errors caused by disassembling and assembling the meter; shortening the power outage time and reducing the inconvenience of the user Understand and reduce the workload of the staff.
Description
技术领域 technical field
本发明涉及一种故障电能表简易测试方法，属于供电检修维护技术领域。 The invention relates to a simple testing method for a fault electric energy meter, which belongs to the technical field of power supply maintenance.
背景技术 Background technique
供电系统由于长期运行，电表经常发生故障，如果故障电表发现不及时，很容易造成综合台区线损高等问题，也存在安全隐患。由于电表安装在千家万户，不可能使用大型进行检测，只能拆装电表进行检测；在这样的环境下，由于没有简易的故障电表测试方法及装置，及时发现故障电表十分困难，工作量大，停电时间长。 Due to the long-term operation of the power supply system, the ammeter often breaks down. If the faulty ammeter is not found in time, it is easy to cause problems such as high line loss in the comprehensive station area, and there are also potential safety hazards. Since the electric meter is installed in thousands of households, it is impossible to use a large scale for detection, and the electric meter can only be disassembled for detection; in such an environment, since there is no simple faulty electric meter testing method and device, it is very difficult to find the faulty electric meter in time, and the workload is heavy , a long power outage.
发明内容 Contents of the invention
本发明目的是提供一种故障电能表简易测试方法，方便使用，带电检测，可以很快检测出故障电表，及时发现故障电表，解决背景技术存在的上述问题。 The purpose of the present invention is to provide a simple testing method for a faulty electric energy meter, which is convenient to use and can detect faulty electric energy meters quickly and timely, so as to solve the above-mentioned problems in the background technology.
本发明的技术方案是： Technical scheme of the present invention is:
故障电能表简易测试装置，包含电能表、检测灯头、钳形电流表、计时器，电能表上从左到右，设有四个端子，分别是火线进线端、负载火线出线端、零线进线端和负载零线出线端；检测灯头和钳形电流表串联后，连接在负载火线出线端和负载零线出线端之间；计时器匹配钳形电流表。 Simple test device for faulty electric energy meter, including electric energy meter, detection lamp holder, clamp ammeter, timer, there are four terminals on the electric energy meter from left to right, which are the input terminal of the live wire, the output terminal of the live wire of the load, and the input terminal of the neutral wire. The line terminal and the load neutral line outlet; after the detection lamp cap is connected in series with the clamp ammeter, it is connected between the load live line outlet and the load neutral line outlet; the timer matches the clamp ammeter.
所述的检测灯头为100W灯泡。 The detection lamp holder is a 100W light bulb.
故障电能表简易测试方法，使用上述故障电能表简易测试装置进行，带电检测，用检测灯头来模拟电能表以下的负荷，电能表上从左到右，设有四个端子，分别是火线进线端、负载火线出线端、零线进线端和负载零线出线端；检测灯头和钳形电流表串联后，连接在负载火线出线端和负载零线出线端之间；正常电能表的每分钟脉冲次数等于：脉冲常数×检测灯头千瓦数÷60，右手用钳形电流表观测电流值，左手拿计时器观测电表运行情况，如果每分钟测出的脉冲数误差在一次以上，就判定该电能表有故障。 The simple test method of the faulty electric energy meter is carried out by using the above simple test device for the faulty electric energy meter. The live detection uses the detection lamp head to simulate the load below the electric energy meter. There are four terminals on the electric energy meter from left to right, which are the live wire incoming line terminal, load live wire outlet end, neutral line inlet end and load zero wire outlet end; after the detection lamp head and clamp ammeter are connected in series, connect between the load live wire outlet end and the load neutral wire outlet end; the pulse per minute of the normal electric energy meter The number of times is equal to: pulse constant × kilowatts of the detected lamp head ÷ 60, observe the current value with the clamp ammeter in the right hand, and observe the operation of the ammeter with the timer in the left hand. If the error of the number of pulses measured per minute is more than one time, it is determined that the electric energy meter has Fault.
所述的检测灯头为100W灯泡，正常电能表的每分钟脉冲次数等于：脉冲常数×0.1÷60。 The detection lamp head is a 100W light bulb, and the number of pulses per minute of a normal electric energy meter is equal to: pulse constant×0.1÷60.
本发明的积极效果：可以直观的、快速的找到故障表，提高工作效率；且该方法操作简单,容易掌握，并能保证准确性，大大避免了因拆装电表原因造成接线错误；缩短了停电时间、减少了用户的不理解、减轻了工作人员的工作量；以前需要一个小时完成的工作，现在仅需要十分钟，大大提高了工作效率。 The positive effects of the present invention: the fault table can be found intuitively and quickly, and the work efficiency can be improved; and the method is simple to operate, easy to master, and can ensure accuracy, greatly avoiding wiring errors caused by disassembling and assembling the electric meter; shortening the power outage It saves time, reduces the user's incomprehension, and reduces the workload of the staff; the work that used to take an hour to complete now only takes ten minutes, which greatly improves work efficiency.
附图说明 Description of drawings
图1为本发明实施例示意图； Fig. 1 is a schematic diagram of an embodiment of the present invention;
图2为本发明实施例使用示意图； Figure 2 is a schematic diagram of the use of the embodiment of the present invention;
图中：火线进线端1、负载火线出线端2、零线进线端3、负载零线出线端4、电能表5、检测灯头6、钳形电流表7、计时器8。 In the figure: live wire inlet 1, load live wire outlet 2, neutral wire inlet 3, load neutral wire outlet 4, electric energy meter 5, detection lamp holder 6, clamp ammeter 7, timer 8.
具体实施方式 Detailed ways
下面结合附图，通过实施例对本发明做进一步说明。 The present invention will be further described through the embodiments below in conjunction with the accompanying drawings.
故障电能表简易测试装置，包含电能表5、检测灯头6、钳形电流表7、计时器8，电能表上从左到右，设有四个端子，分别是火线进线端1、负载火线出线端2、零线进线端3和负载零线出线端4；检测灯头和钳形电流表串联后，连接在负载火线出线端和负载零线出线端之间；计时器匹配钳形电流表。 A simple test device for a faulty electric energy meter, including an electric energy meter 5, a detection lamp holder 6, a clamp ammeter 7, and a timer 8. There are four terminals on the electric energy meter from left to right, which are the input terminal 1 of the live wire and the outgoing line of the live wire of the load. Terminal 2, neutral line input terminal 3 and load neutral line output terminal 4; after the detection lamp head and the clamp ammeter are connected in series, connect between the load live line output terminal and the load neutral line output terminal; the timer matches the clamp ammeter.
所述的检测灯头为100W灯泡。 The detection lamp holder is a 100W light bulb.
故障电能表简易测试方法，使用上述故障电能表简易测试装置进行，带电检测，用检测灯头来模拟电能表以下的负荷，电能表上从左到右，设有四个端子，分别是火线进线端、负载火线出线端、零线进线端和负载零线出线端；检测灯头和钳形电流表串联后，连接在负载火线出线端和负载零线出线端之间；正常电能表的每分钟脉冲次数等于：脉冲常数×检测灯头千瓦数÷60，右手用钳形电流表观测电流值，左手拿计时器观测电表运行情况，如果每分钟测出的脉冲数误差在一次以上，就判定该电能表有故障。 The simple test method for the faulty electric energy meter is carried out by using the simple test device for the faulty electric energy meter mentioned above. For live detection, the detection lamp head is used to simulate the load below the electric energy meter. There are four terminals on the electric energy meter from left to right, which are the incoming wires of live wires. terminal, load live wire outlet end, neutral line inlet end and load zero wire outlet end; after the detection lamp head and clamp ammeter are connected in series, connect between the load live wire outlet end and the load neutral wire outlet end; the pulse per minute of the normal electric energy meter The number of times is equal to: pulse constant × kilowatts of the detected lamp head ÷ 60, observe the current value with the clamp ammeter in the right hand, and observe the operation of the meter with the timer in the left hand. If the error of the number of pulses measured per minute is more than one time, it is judged that the electric energy meter has Fault.
在实施例中，所述的检测灯头为100W灯泡，正常电能表的每分钟脉冲次数等于：脉冲常数×0.1÷60。电能表为DDS188电子式电表5（30）A，脉冲常数为3200imp/kwh，这样，每分钟3200×0.1÷60=5.3次脉冲，电流大约0.5A，如果每分钟测出的脉冲数误差在一次以上，就判定该电能表计量有故障。 In an embodiment, the detection lamp head is a 100W light bulb, and the pulse times per minute of a normal electric energy meter is equal to: pulse constant×0.1÷60. The energy meter is DDS188 electronic meter 5 (30) A, the pulse constant is 3200imp/kwh, so, 3200×0.1÷60=5.3 pulses per minute, the current is about 0.5A, if the error of the number of pulses measured per minute is within one Above, it is determined that the energy meter measurement is faulty.
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| CN106324553A (en) * | 2016-10-10 | 2017-01-11 | 国网冀北电力有限公司唐山供电公司 | Device and method for rapidly seeking fault electric energy meter |
| CN112147563A (en) * | 2020-08-27 | 2020-12-29 | 国网山西省电力公司阳泉供电公司 | Fault meter tester |
| CN113466777B (en) * | 2021-06-06 | 2022-11-11 | 国网河北省电力有限公司辛集市供电分公司 | Smart Energy Meter Error Quick Judgment Device |
| CN113447885B (en) * | 2021-08-30 | 2022-01-11 | 广东电网有限责任公司湛江供电局 | Electric energy meter wrong wiring rapid detection circuit and device |
| CN114308731B (en) * | 2021-11-11 | 2024-01-05 | 浙江晨泰科技股份有限公司 | Smart electric meter encapsulation detection device |
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| EP0372937A2 (en) * | 1988-12-07 | 1990-06-13 | Alan Joseph Mutch | Electrical fault detecting device |
| CN2909283Y (en) * | 2006-04-30 | 2007-06-06 | 辽宁省电力有限公司朝阳供电公司 | Electronic watt-hour meter detection device |
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