CN103337793B - A kind of Multifunctional measuring cabinet - Google Patents
A kind of Multifunctional measuring cabinet Download PDFInfo
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- CN103337793B CN103337793B CN201310224962.0A CN201310224962A CN103337793B CN 103337793 B CN103337793 B CN 103337793B CN 201310224962 A CN201310224962 A CN 201310224962A CN 103337793 B CN103337793 B CN 103337793B
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Abstract
本发明公开了一种多功能计量柜，包括柜体内设置两套相互独立的计量装置、用电信息采集终端设备及负荷开关装置。所以两套计量电能数据可互为参考，实用性强；装置简单、成本低廉，故障率低；柜体内部安装了负荷开关装置，使第二电能表及用电信息采集终端装置的控制端口无需连接至其他的开关柜，避免了以往的多种故障，保证实现控制的可靠性，减少了故障发生点；该计量柜采用一体化设计，满足对计量装置所有功能，可成套生产，根据现场实际灵活选择，无需做任何改动即可使用；该计量柜在正常运行时是完全封闭的，设备运行状态透过各仓门上的玻璃片体进行观察，避免一切人为因素造成的计量偏差，且各部分为独立的仓门，方便各个设备的安装维护。
The invention discloses a multifunctional metering cabinet, which comprises two sets of mutually independent metering devices, terminal equipment for collecting electricity information and a load switch device arranged in the cabinet. Therefore, the two sets of metered electric energy data can be used as a reference for each other, and the practicability is strong; the device is simple, low in cost, and has a low failure rate; Connected to other switch cabinets, avoiding various faults in the past, ensuring the reliability of the control, and reducing the point of failure; Flexible selection, it can be used without any modification; the metering cabinet is completely closed during normal operation, and the operating status of the equipment can be observed through the glass sheets on the doors to avoid measurement deviation caused by all human factors, and each Part of it is an independent warehouse door, which is convenient for the installation and maintenance of each equipment.
Description
技术领域 technical field
本发明涉及一种多功能计量柜。 The invention relates to a multifunctional metering cabinet.
背景技术 Background technique
计量柜是电能计量柜(箱)的简称，是电能计量装置的一种。现有的计量柜设计比较单一，仅能够实现电能表等计量装置的安装。随着技术的发展和社会的进步，对电能计量的要求也越来越高，经过多年的发展，现在已经能够可靠地通过用电信息采集系统实现对用电的远程遥信、遥测、遥控功能，由于用电信息采集系统为后期开发，所以终端一般都安装在配电间墙上或者配电柜空余部分，无法实现与计量柜内设备的统一、协调。 The metering cabinet is the abbreviation of the electric energy metering cabinet (box), and it is a kind of electric energy metering device. The existing metering cabinets are relatively simple in design, and can only realize the installation of metering devices such as electric energy meters. With the development of technology and the progress of society, the requirements for electric energy measurement are getting higher and higher. After years of development, it is now possible to reliably realize the functions of remote signaling, telemetry, and remote control of electricity consumption through the electricity consumption information collection system. , Since the power consumption information collection system is developed in the later stage, the terminals are generally installed on the wall of the power distribution room or in the spare part of the power distribution cabinet, which cannot realize the unification and coordination with the equipment in the metering cabinet.
发明内容 Contents of the invention
针对上述存在的技术不足，本发明的目的是提供一种多功能计量柜，其能够有效地查找故障，并具备远程防窃电的功能。 In view of the above-mentioned technical deficiencies, the object of the present invention is to provide a multi-functional metering cabinet, which can effectively find faults and has the function of preventing electricity theft remotely.
为解决上述技术问题，本发明采用如下技术方案： In order to solve the problems of the technologies described above, the present invention adopts the following technical solutions:
一种多功能计量柜，包括柜体，所述的柜体内设置有电能计量装置、用电信息采集终端设备，所述的电能计量装置包括第一电能表和第二电能表，该计量柜内还设置有负荷开关装置、将电流输出至所述的第一电能表的第一电流互感器、将电流输出至所述的第二电能表的第二电流互感器，电源进线接入所述的第一电流互感器，所述的第一电流互感器接入所述的负荷开关装置，所述的负荷开关装置接入所述的第二电流互感器，所述的第二电流互感器上引出电源出线，所述的第一电流互感器的输出电流输出至所述的第一电能表，所述的第二电流互感器的输出电流输出至所述的第二电能表，所述的第一电能表的计量脉冲端口及通信端口分别与所述的用电信息采集终端设备的对应端口相连接，所述的第二电能表的计量脉冲端口及通信端口分别与所述的用电信息采集终端设备的对应端口相连接，所述的用电信息采集终端设备的控制端口连接至所述的负荷开关装置，所述的第二电能表的控制端口连接至所述的负荷开关装置。 A multifunctional metering cabinet, comprising a cabinet body, an electric energy metering device and an electricity consumption information collection terminal device are arranged in the cabinet, and the electric energy metering device includes a first electric energy meter and a second electric energy meter, and the electric energy metering device in the metering cabinet A load switch device, a first current transformer that outputs current to the first electric energy meter, and a second current transformer that outputs current to the second electric energy meter are also provided, and the power supply line is connected to the The first current transformer, the first current transformer connected to the load switch device, the load switch device connected to the second current transformer, the second current transformer Lead out the power supply line, the output current of the first current transformer is output to the first electric energy meter, the output current of the second current transformer is output to the second electric energy meter, and the first electric energy meter is output to the second electric energy meter. The metering pulse port and the communication port of an electric energy meter are respectively connected to the corresponding ports of the described electricity consumption information collection terminal equipment, and the metering pulse port and the communication port of the second electric energy meter are respectively connected to the described electricity consumption information collection terminal equipment. The corresponding ports of the terminal equipment are connected, the control port of the power consumption information collection terminal equipment is connected to the load switch device, and the control port of the second electric energy meter is connected to the load switch device.
优选地，所述的柜体具有正面板和背面板，所述的柜体内设置有第一仓位、第二仓位、第三仓位及第四仓位，所述的第一仓位内安装有所述的第二电能表，所述的第二仓位内安装有所述的用电信息采集终端设备，所述的第三仓位内安装有所述的负荷开关装置，所述的第四仓位内安装有所述的第二电流互感器。 Preferably, the cabinet body has a front panel and a back panel, a first warehouse, a second warehouse, a third warehouse and a fourth warehouse are arranged in the cabinet, and the first warehouse is installed with the For the second electric energy meter, the terminal equipment for collecting electricity consumption information is installed in the second position, the load switch device is installed in the third position, and the The second current transformer described above.
优选地，所述的正面板上预留有用于安装一个电能表的预留位置。 Preferably, a reserved position for installing an electric energy meter is reserved on the front panel.
优选地，所述的正面板上对应所述的第一仓位安装有第一仓门，所述的第一仓门上安装有便于观察所述的第二电能表的显示信息的玻璃片体。 Preferably, a first warehouse door is installed on the front panel corresponding to the first warehouse position, and a glass plate body is installed on the first warehouse door to facilitate observation of the display information of the second electric energy meter.
优选地，所述的正面板上对应所述的第二仓位安装有第二仓门，所述的第二仓门上安装有便于观察所述的用电信息采集终端设备的显示信息的玻璃片体。 Preferably, a second warehouse door is installed on the front panel corresponding to the second warehouse position, and a glass sheet is installed on the second warehouse door to facilitate observation of the display information of the power consumption information collection terminal device body.
优选地，所述的正面板上具有指示区域，所述的指示区域设置有用于指示所述的柜体内的各个设备及装置的工作状态的多个指示仪表和多个指示灯。 Preferably, the front panel has an indication area, and the indication area is provided with a plurality of indicating instruments and a plurality of indicator lights for indicating the working status of each equipment and device in the cabinet.
优选地，所述的背面板上对应所述的第三仓位安装有第三仓门，所述的第三仓门上安装有便于观察所述的负荷开关装置的工作状态的玻璃片体。 Preferably, a third warehouse door is installed on the rear panel corresponding to the third warehouse position, and a glass plate is installed on the third warehouse door to facilitate observation of the working state of the load switch device.
优选地，所述的背面板上对应所述的第四仓位安装有第四仓门，所述的第四仓门上安装有便于观察所述的第二电流互感器的工作状态的玻璃片体。 Preferably, a fourth warehouse door is installed on the back panel corresponding to the fourth warehouse position, and a glass plate is installed on the fourth warehouse door to facilitate observation of the working state of the second current transformer. .
本发明的有益效果在于：本发明中的第一电能表与第二电能表为两套独立计量装置，互不干扰，所以两套计量电能数据可互为参考，实用性强；第一电能表作为参考表，且安装在第二电能表的前端，监控面达到最大，使计量柜本身具备了远程防窃电的功能，且装置简单、成本低廉，故障率低；本计量柜中设计了用电信息采集终端设备的安装位置，实现了内置安装，减少了连接线缆的数量，保证了整体设备的可靠性和安全性；柜体内部安装了负荷开关装置，使第二电能表及用电信息采集终端装置的控制端口无需连接至其他的开关柜，避免了以往的多种故障，保证实现控制的可靠性，减少了故障发生点；该计量柜采用一体化设计，可满足对计量装置所要求的所有功能，可在工厂内成套生产，根据现场实际灵活选择，无需做任何改动即可使用；该计量柜在正常运行时是完全封闭的，设备运行状态透过各仓门上的玻璃片体进行观察，避免一切人为因素造成的计量偏差，且各部分为独立的仓门，可单独打开，方便各个设备的安装维护。 The beneficial effect of the present invention is that: the first electric energy meter and the second electric energy meter in the present invention are two sets of independent metering devices, which do not interfere with each other, so the two sets of metering electric energy data can be used as a reference for each other, and the practicability is strong; the first electric energy meter As a reference meter, it is installed at the front end of the second electric energy meter, and the monitoring area reaches the maximum, so that the metering cabinet itself has the function of remote anti-theft electricity, and the device is simple, low in cost, and low in failure rate; the metering cabinet is designed with The installation position of the electrical information collection terminal equipment realizes built-in installation, reduces the number of connecting cables, and ensures the reliability and safety of the overall equipment; a load switch device is installed inside the cabinet to make the second electric energy meter and power consumption The control port of the information collection terminal device does not need to be connected to other switch cabinets, which avoids various faults in the past, ensures the reliability of the control, and reduces the points of failure; the metering cabinet adopts an integrated design, which can meet the requirements of the metering device. All the required functions can be produced in a complete set in the factory, and can be flexibly selected according to the actual situation on site, and can be used without any modification; the metering cabinet is completely closed during normal operation, and the operating status of the equipment can be seen through the glass sheets on the doors of each warehouse The whole body is observed to avoid measurement deviation caused by all human factors, and each part is an independent warehouse door, which can be opened separately to facilitate the installation and maintenance of each equipment.
附图说明 Description of drawings
附图1为本发明的多功能计量柜的正面板的示意图； Accompanying drawing 1 is the schematic diagram of the front panel of multifunctional metering cabinet of the present invention;
附图2为本发明的多功能计量柜的背面板的示意图； Accompanying drawing 2 is the schematic diagram of the back panel of multifunctional metering cabinet of the present invention;
附图3为本发明的多功能计量柜的电路原理框图。 Accompanying drawing 3 is the schematic block diagram of the circuit of the multifunctional metering cabinet of the present invention.
附图中：1、第一电能表；2、第二电能表；3、用电信息采集终端设备；4、负荷开关装置；5、第一电流互感器；6、第二电流互感器；7、第一仓门；8、第二仓门；9、第三仓门；10、第四仓门；11、指示仪表；12、指示灯；13、预留位置。 In the drawings: 1. The first electric energy meter; 2. The second electric energy meter; 3. The terminal equipment for collecting electricity information; 4. The load switch device; 5. The first current transformer; 6. The second current transformer; 7 , the first warehouse door; 8, the second warehouse door; 9, the third warehouse door; 10, the fourth warehouse door; 11, indicating instrument; 12, indicator light; 13, reserved position.
具体实施方式 detailed description
下面结合附图对本发明作进一步详细的说明： Below in conjunction with accompanying drawing, the present invention is described in further detail:
如附图1至附图3所示的多功能计量柜，包括柜体，柜体内设置有电能计量装置、用电信息采集终端设备3，电能计量装置包括第一电能表1和第二电能表2，该计量柜内还设置有负荷开关装置4、将电流输出至第一电能表1的第一电流互感器5、将电流输出至第二电能表2的第二电流互感器6，电源进线接入第一电流互感器5，第一电流互感器5接入负荷开关装置4，负荷开关装置4接入第二电流互感器6，第二电流互感器6上引出电源出线，第一电流互感器5的输出电流输出至第一电能表1，第二电流互感器6的输出电流输出至第二电能表2，第一电流互感器5与第二电流互感器6相串联设置。第一电能表1的计量脉冲端口及通信端口分别与用电信息采集终端设备3的对应端口相连接，第二电能表2的计量脉冲端口及通信端口分别与用电信息采集终端设备3的对应端口相连接，用电信息采集终端设备3的控制端口连接至负荷开关装置4，第二电能表2的控制端口连接至负荷开关装置4。 The multifunctional metering cabinet as shown in accompanying drawings 1 to 3 includes a cabinet body in which an electric energy metering device and an electricity consumption information collection terminal device 3 are arranged, and the electric energy metering device includes a first electric energy meter 1 and a second electric energy meter 2. The metering cabinet is also equipped with a load switch device 4, a first current transformer 5 that outputs current to the first electric energy meter 1, a second current transformer 6 that outputs current to the second electric energy meter 2, and the power supply The line is connected to the first current transformer 5, the first current transformer 5 is connected to the load switch device 4, the load switch device 4 is connected to the second current transformer 6, and the second current transformer 6 leads to the power outlet, and the first current The output current of the transformer 5 is output to the first electric energy meter 1 , the output current of the second current transformer 6 is output to the second electric energy meter 2 , and the first current transformer 5 and the second current transformer 6 are arranged in series. The metering pulse port and the communication port of the first electric energy meter 1 are respectively connected to the corresponding ports of the power consumption information collection terminal device 3, and the metering pulse port and the communication port of the second electric energy meter 2 are respectively connected to the corresponding ports of the power consumption information collection terminal device 3. The ports are connected, the control port of the power consumption information collection terminal device 3 is connected to the load switch device 4 , and the control port of the second electric energy meter 2 is connected to the load switch device 4 .
具体地，柜体具有正面板和背面板，柜体内设置有第一仓位、第二仓位、第三仓位及第四仓位，第一仓位内安装有第二电能表2，第二仓位内安装有用电信息采集终端设备3，第三仓位内安装有负荷开关装置4，第四仓位内安装有第二电流互感器6，正面板上预留有用于安装一个电能表的预留位置13，正面板上对应第一仓位安装有第一仓门7，第一仓门7上安装有便于观察第二电能表2的显示信息的玻璃片体，正面板上对应第二仓位安装有第二仓门8，第二仓门8上安装有便于观察用电信息采集终端设备3的显示信息的玻璃片体，正面板上具有指示区域，指示区域设置有用于指示柜体内的各个设备及装置的工作状态的多个指示仪表11和多个指示灯12，背面板上对应第三仓位安装有第三仓门9，第三仓门9上安装有便于观察负荷开关装置4的工作状态的玻璃片体，背面板上对应第四仓位安装有第四仓门10，第四仓门10上安装有便于观察第二电流互感器6的工作状态的玻璃片体。 Specifically, the cabinet has a front panel and a back panel, and the cabinet is provided with a first position, a second position, a third position and a fourth position, the second electric energy meter 2 is installed in the first position, and the second position is installed in the second position. Electricity information collection terminal equipment 3, a load switch device 4 is installed in the third position, a second current transformer 6 is installed in the fourth position, and a reserved position 13 for installing an electric energy meter is reserved on the front panel. A first door 7 is installed corresponding to the first position on the panel, and a glass sheet body is installed on the first door 7 to facilitate observation of the display information of the second electric energy meter 2, and a second door is installed on the front panel corresponding to the second position 8. The second warehouse door 8 is equipped with a glass sheet that is convenient for observing the display information of the power consumption information collection terminal device 3. There is an indication area on the front panel, and the indication area is provided to indicate the working status of each equipment and device in the cabinet. A plurality of indicating instruments 11 and a plurality of indicator lights 12, a third warehouse door 9 is installed corresponding to the third warehouse position on the back panel, and a glass plate body is installed on the third warehouse door 9 to facilitate observation of the working state of the load switch device 4, A fourth warehouse door 10 is installed corresponding to the fourth warehouse position on the back panel, and a glass plate body for observing the working state of the second current transformer 6 is installed on the fourth warehouse door 10 .
本发明具体工作原理为： Concrete working principle of the present invention is:
如图3所示，电流经电源进线首先进入第一电流互感器5，通过负荷开关装置4进入第二电流互感器6，第一电能表1与第二电能表2分别对流经其对应电流互感器上的电量进行计量，由于第一电流互感器5与第二电流互感器6为串联连接，相当于两套计量装置同时对流经计量柜电能的独立计量。用电信息采集终端装置对采集终端进行参数设置后采集各电能表的数据，实现对用电数据的远程遥测，将第一电能表1和第二电能表2所计量的电能数据进行比较，通过数据的比较分析发现计量装置的故障，并能及时发现及预防各种盗窃电能的手段，用电信息采集终端设备3的控制端口接入负荷开关装置4，实现对用户设备的远程遥控、遥测功能，并且，点儿电能表的控制端口接入负荷开关装置4，实现预付费欠费状态下的控制功能。 As shown in Figure 3, the current first enters the first current transformer 5 through the power supply line, and enters the second current transformer 6 through the load switch device 4, and the first electric energy meter 1 and the second electric energy meter 2 respectively flow through their corresponding currents. The electric quantity on the transformer is measured, because the first current transformer 5 and the second current transformer 6 are connected in series, which is equivalent to the independent measurement of the electric energy flowing through the metering cabinet by two sets of metering devices at the same time. The power consumption information collection terminal device sets the parameters of the collection terminal and collects the data of each electric energy meter to realize the remote telemetry of the electric power consumption data, compare the electric energy data measured by the first electric energy meter 1 and the second electric energy meter 2, and pass The comparison and analysis of the data finds the failure of the metering device, and can timely discover and prevent various means of stealing electric energy. The control port of the power consumption information collection terminal device 3 is connected to the load switch device 4 to realize the remote control and telemetry functions of the user equipment , and the control port of the energy meter is connected to the load switch device 4 to realize the control function in the state of prepaid arrears.
本发明第一电能表1与第二电能表2为两套独立计量装置，互不干扰，所以两套计量电能数据可互为参考，实用性强；第一电能表1作为参考表，且安装在第二电能表2的前端，监控面达到最大，使计量柜本身具备了远程防窃的功能，且装置简单、成本低廉，故障率低；本计量柜中设计了用电信息采集终端设备3的安装位置，实现了内置安装，减少了连接线缆的数量，保证了整体设备的可靠性和安全性；柜体内部安装了负荷开关装置4，使第二电能表2及用电信息采集终端装置的控制端口无需连接至其他的开关柜，避免了以往的多种故障，保证实现控制的可靠性，减少了故障发生点；该计量柜采用一体化设计，可满足对计量装置所要求的所有功能，可在工厂内成套生产，根据现场实际灵活选择，无需做任何改动即可使用；该计量柜在正常运行时是完全封闭的，设备运行状态透过各仓门上的玻璃片体进行观察，避免一切人为因素造成的计量偏差，且各部分为独立的仓门，可单独打开，方便各个设备的安装维护。 The first electric energy meter 1 and the second electric energy meter 2 of the present invention are two sets of independent metering devices, which do not interfere with each other, so the two sets of metering electric energy data can be referred to each other, and the practicability is strong; the first electric energy meter 1 is used as a reference meter, and installed At the front end of the second electric energy meter 2, the monitoring surface reaches the maximum, so that the metering cabinet itself has the function of remote anti-theft, and the device is simple, low in cost, and has a low failure rate; the metering cabinet is designed with a power consumption information collection terminal device 3 The installation position realizes built-in installation, reduces the number of connecting cables, and ensures the reliability and safety of the overall equipment; the load switch device 4 is installed inside the cabinet, so that the second electric energy meter 2 and the electricity consumption information collection terminal The control port of the device does not need to be connected to other switch cabinets, which avoids various faults in the past, ensures the reliability of the control, and reduces the points of failure; the metering cabinet adopts an integrated design, which can meet all the requirements for the metering device. function, can be produced in a complete set in the factory, and can be flexibly selected according to the actual situation on site, and can be used without any modification; the metering cabinet is completely closed during normal operation, and the operating status of the equipment can be observed through the glass sheets on the doors of each warehouse , to avoid measurement deviation caused by all human factors, and each part is an independent warehouse door, which can be opened separately to facilitate the installation and maintenance of each equipment.
本发明还可有其他多种实施例，在不背离本发明精神及实质的情况下，本领域的技术人员可根据本发明作出各种相应的改变和变形，但这些相应的改变和变形都应属于本发明的权利要求保护的范围。 The present invention also can have other various embodiments, without departing from the spirit and essence of the present invention, those skilled in the art can make various corresponding changes and deformations according to the present invention, but these corresponding changes and deformations should be Belong to the protection scope of the claims of the present invention.
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| CN111292520A (en) * | 2018-12-06 | 2020-06-16 | 国网山西省电力公司运城供电公司 | Distribution and power utilization integrated acquisition system |
| CN112649662B (en) * | 2020-12-02 | 2023-04-21 | 贵州电网有限责任公司 | Distribution network line fault metering device based on voltage characteristics |
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