CN204945239U - Electric quantity loss compensate for malfunctions device under the online substitute mode of a kind of gate energy meter - Google Patents
Electric quantity loss compensate for malfunctions device under the online substitute mode of a kind of gate energy meter Download PDFInfo
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- CN204945239U CN204945239U CN201520570245.8U CN201520570245U CN204945239U CN 204945239 U CN204945239 U CN 204945239U CN 201520570245 U CN201520570245 U CN 201520570245U CN 204945239 U CN204945239 U CN 204945239U
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Abstract
The utility model relates to electric quantity loss compensate for malfunctions device under the online substitute mode of a kind of gate energy meter, and repacking is put and comprised: power switch unit, power supply unit, 0.2S level three-phase multifunctional electrical energy meter unit, Main Control Unit, communication unit, display storage and operation interface unit.Wherein, described power switch unit is for accessing 220V AC power, described power supply unit is powered to 0.2S level three-phase multifunctional electrical energy meter unit, Main Control Unit and display storage and operation interface unit, described communication unit input end is connected with the communication port in 0.2S level three-phase multifunctional electrical energy meter unit, its output terminal is connected with master controller end, and described 0.2S level three-phase multifunctional electrical energy meter unit connection port and electric energy metering secondary voltage and current connecting terminals are connected together.The utility model advantage is, adopts 0.2S level gate energy meter unit to achieve the confidence level of metric results, and can carry out data store query, ensure that the economic interests purchasing sale of electricity both sides.
Description
Technical field
The utility model belongs to electric energy metrical field, is more specifically electric quantity loss compensate for malfunctions device under the online substitute mode of a kind of gate energy meter.
Background technology
According in DLT448-2000 " electric power meter technical management code ", the operational management of Electric Energy Tariff Point Metering Device is specified, in operation, gate energy meter rotational cycle is defined as 3-4, the accuracy of the guarantee electric energy metrical that renovates to the gate energy meter exceeding rotational cycle.Generally, produce for not affecting normal electricity and run, Electric Energy Tariff Point Metering Device renovates and adopts the online mode changed to carry out, so just relate to dismounting gate energy meter and can produce electric quantity loss during this period of time, corresponding compensation must be carried out, to ensure the economic interests of run unit by electric quantity loss during swap table.Changing the compensation scheme adopted in table process is before pulling down old gate energy meter, record the instantaneous voltage of gate energy meter, electric current, power and power factor, be shorted to the correct time of recovery from secondary current loop with stopwatch record simultaneously, the electric quantity loss during changing table is estimated as the average power during changing table, when the compensation electricity increased in monthly billing electricity during this part changes table to change the instantaneous power before table.
But, Source of Gateway Meter finds in changing at the scene, changing the electric current caused due to load difference in table process may change relatively large, and change in voltage is less, power factor (PF) also can change at any time simultaneously, therefore adopt the instantaneous power before changing table and change table required time calculation compensation electricity and just can not reflect the loss electricity changed in table process strictly according to the facts, especially in changing Power Plant Side Source of Gateway Meter, Power Plant Side responsible official majority does not admit this kind of computing method, causes both sides not carry out the work smoothly.
Summary of the invention
The purpose of this utility model is to provide electric quantity loss compensate for malfunctions device under the online substitute mode of a kind of gate energy meter, can improve the metering accuracy that in transformation, electric quantity loss compensates under Source of Gateway Meter online mode, conscientiously ensure the economic interests purchasing sale of electricity both sides.
For realizing above technical purpose, the utility model proposes electric quantity loss compensate for malfunctions device technique scheme under the online substitute mode of a kind of gate energy meter.
Electric quantity loss compensate for malfunctions device under the online substitute mode of a kind of gate energy meter, the utility model is characterised in that, comprises power switch unit, power supply unit, 0.2S level three-phase multifunctional electrical energy meter unit, Main Control Unit, communication unit, display storage and operation interface unit; Wherein, described power switch unit is for accessing the power supply unit of 220V alternating current, and described power supply unit is respectively 0.2S level three-phase multifunctional electrical energy meter unit, Main Control Unit and display storage and operation interface unit is powered; Described communication unit input end is connected with the communication port in 0.2S level three-phase multifunctional electrical energy meter unit, its output terminal is connected with master controller end, and described 0.2S level three-phase multifunctional electrical energy meter unit connection port and energy measurement instruments side secondary circuit voltage and current terminal link together.
Power supply unit described in the utility model is internal battery charging by 220V power supply, and is connected to 0.2S level three-phase multifunctional electrical energy meter unit auxiliary power unit, Main Control Unit and display storage and operation interface unit and powers for it.
The utility model communication unit reads 0.2S level three-phase multifunctional electrical energy meter unit electrical parameter by RS485 communication interface, and its output terminal is connected with master controller end and exports display interface to.
The beneficial effects of the utility model and advantage as follows:
1, electric quantity loss compensate for malfunctions apparatus design environmental protection under the online substitute mode of a kind of gate energy meter of the utility model, simple and reliable, the real-time parameters such as real-time display electric current and voltage power factor (PF), man-machine interface is friendly, can measure accurately and reliably for field personnel's electric quantity loss under the online substitute mode of important Source of Gateway Meter provides.
2, under the online substitute mode of a kind of gate energy meter of the utility model, electric quantity loss compensate for malfunctions device adopts 0.2S level gate energy meter unit, it has precision reliability and the stability of I class trade settlement point electric energy metrical, and can data store query be carried out, ensure that the economic interests purchasing sale of electricity both sides.
3, under the online substitute mode of a kind of gate energy meter of the utility model, electric quantity loss compensate for malfunctions device adopts built-in power and external power supply two kinds of modes, can be suitable in different occasion.
4, under the online substitute mode of a kind of gate energy meter of the utility model, electric quantity loss compensate for malfunctions device 0.2S level gate energy meter unit can output pulse signal, for standard scale calibrating accuracy of instrument, meter constant is 5000imp/kwh, wherein active energy precision is 0.2S level, capacity of idle power precision is 2 grades, can show the idle amount of four-quadrant simultaneously.
Below in conjunction with the drawings and specific embodiments, embodiment of the present utility model is further described.
Accompanying drawing explanation
Fig. 1 is general structure schematic diagram of the present utility model.
Embodiment
As shown in Figure 1, electric quantity loss compensate for malfunctions device under the online substitute mode of a kind of gate energy meter, the utility model is characterised in that, comprises power switch unit, power supply unit, 0.2S level three-phase multifunctional electrical energy meter unit, Main Control Unit, communication unit, display storage and operation interface unit; Wherein, described power switch unit is for accessing the power supply unit of 220V alternating current, and described power supply unit is respectively 0.2S level three-phase multifunctional electrical energy meter unit, Main Control Unit and display storage and operation interface unit is powered; Described communication unit input end is connected with the communication port in 0.2S level three-phase multifunctional electrical energy meter unit, its output terminal is connected with master controller end, and described 0.2S level three-phase multifunctional electrical energy meter unit connection port and energy measurement instruments side secondary circuit voltage and current terminal link together.
Power supply unit described in the utility model is internal battery charging by 220V power supply, and is connected to 0.2S level three-phase multifunctional electrical energy meter unit auxiliary power unit, Main Control Unit and display storage and operation interface unit and powers for it.
The utility model communication unit reads 0.2S level three-phase multifunctional electrical energy meter unit electrical parameter by RS485 communication interface, and its output terminal is connected with master controller end and exports display interface to.
Respectively each step is described as follows below:
1, power switch unit is for accessing 220V AC power.Described power supply unit is internal battery charging by 220V power supply, and is connected to 0.2S level three-phase multifunctional electrical energy meter unit auxiliary power unit, Main Control Unit and display storage and operation interface unit and powers for it.0.2S level three-phase multifunctional electrical energy meter unit and electric energy metering secondary voltage and current connecting terminals are connected together, and utilize it to carry out the electric energy metrical of high-precision analog.And outputting standard electrical energy pulse, and have infrared interface communication, can optimum configurations be carried out.Communication unit input end is connected with 0.2S level three-phase multifunctional electrical energy meter unit, communication unit reads 0.2S level three-phase multifunctional electrical energy meter unit electrical parameter by RS485 communication interface, its output terminal is connected with master controller end and output display, checks have access to for staff.
2, scene is in use being connected to changing voltage test line on electrical energy meter electricity hydraulic circuit, avoids voltage circuit ground connection or short circuit; Be shorted to by current testing line in the current return changing electric energy meter, now starter gear metering button, scratches every phase current terminal connecting plate simultaneously.Closed by current terminal brace after changing end of list (EOL), under online substitute mode, electric quantity loss metering terminates and shows result.
Claims (3)
1. electric quantity loss compensate for malfunctions device under the online substitute mode of gate energy meter, it is characterized in that, comprise power switch unit, power supply unit, 0.2S level three-phase multifunctional electrical energy meter unit, Main Control Unit, communication unit, display storage and operation interface unit; Wherein, described power switch unit is for accessing the power supply unit of 220V alternating current, and described power supply unit is respectively 0.2S level three-phase multifunctional electrical energy meter unit, Main Control Unit and display storage and operation interface unit is powered; Described communication unit input end is connected with the communication port in 0.2S level three-phase multifunctional electrical energy meter unit, its output terminal is connected with master controller end, and described 0.2S level three-phase multifunctional electrical energy meter unit connection port and energy measurement instruments side secondary circuit voltage and current terminal link together.
2. electric quantity loss compensate for malfunctions device under the online substitute mode of a kind of gate energy meter according to claim 1, it is characterized in that, described power supply unit is internal battery charging by 220V power supply, and is connected to 0.2S level three-phase multifunctional electrical energy meter unit auxiliary power unit, Main Control Unit and display storage and operation interface unit and powers for it.
3. electric quantity loss compensate for malfunctions device under the online substitute mode of a kind of gate energy meter according to claim 1, it is characterized in that, communication unit reads 0.2S level three-phase multifunctional electrical energy meter unit electrical parameter by RS485 communication interface, and its output terminal is connected with master controller end and exports display interface to.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520570245.8U CN204945239U (en) | 2015-08-03 | 2015-08-03 | Electric quantity loss compensate for malfunctions device under the online substitute mode of a kind of gate energy meter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520570245.8U CN204945239U (en) | 2015-08-03 | 2015-08-03 | Electric quantity loss compensate for malfunctions device under the online substitute mode of a kind of gate energy meter |
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| CN204945239U true CN204945239U (en) | 2016-01-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105093161A (en) * | 2015-08-06 | 2015-11-25 | 云南电网有限责任公司电力科学研究院 | Gateway electric energy meter online replacing mode electric quantity loss compensation metering system |
| CN106324422A (en) * | 2016-09-23 | 2017-01-11 | 国网四川省电力公司德阳供电公司 | Smart watt-hour meter integrating temperature sensing function and self-compensation function |
-
2015
- 2015-08-03 CN CN201520570245.8U patent/CN204945239U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105093161A (en) * | 2015-08-06 | 2015-11-25 | 云南电网有限责任公司电力科学研究院 | Gateway electric energy meter online replacing mode electric quantity loss compensation metering system |
| CN106324422A (en) * | 2016-09-23 | 2017-01-11 | 国网四川省电力公司德阳供电公司 | Smart watt-hour meter integrating temperature sensing function and self-compensation function |
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