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CN109188068A - Three-stage is U-shaped adjustable to charge installation high-voltage meter - Google Patents

Three-stage is U-shaped adjustable to charge installation high-voltage meter Download PDF

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Publication number
CN109188068A
CN109188068A CN201810885313.8A CN201810885313A CN109188068A CN 109188068 A CN109188068 A CN 109188068A CN 201810885313 A CN201810885313 A CN 201810885313A CN 109188068 A CN109188068 A CN 109188068A
Authority
CN
China
Prior art keywords
signal
sampling
fixing end
sampling end
voltage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810885313.8A
Other languages
Chinese (zh)
Inventor
吕东飞
刘文安
孙学锋
李万忠
戴月松
张昆
孔祥清
王�琦
翟滢
李海舰
翟纯恒
张兴永
陈文栋
刘刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Alan Electric Power Technology Co Ltd
State Grid Corp of China SGCC
Zibo Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
Shandong Alan Electric Power Technology Co Ltd
State Grid Corp of China SGCC
Zibo Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Alan Electric Power Technology Co Ltd, State Grid Corp of China SGCC, Zibo Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical Shandong Alan Electric Power Technology Co Ltd
Priority to CN201810885313.8A priority Critical patent/CN109188068A/en
Publication of CN109188068A publication Critical patent/CN109188068A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00Arrangements for measuring electric power or power factor

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

Abstract

本发明提供一种三段式U型可调可带电安装高压计量装置,属于高压线路电能计量领域,包括固定端、取样端、连接轴;所述取样端通过连接轴与固定端连接,连接轴两端分别与取样端、固定端用两只绝缘蝶形螺母连接,取样端、连接轴、固定端组成三段式U型结构,取样端和固定端两端间距可通过调节蝶形螺母调节;所述取样端端口设有一个开口式电子CT,电子CT开口处设有可闭合的卡口铁芯,电子CT下端为集成控制电路,电子PT集成在集成控制电路内部。本发明具有一体化电子式CT和电子式PT结构设计,结构U型可调,整体重量小,适合高压架空安装,解决了架空安装的约束性,实现即安即用的灵活部署。

The invention provides a three-segment U-shaped adjustable and live-installable high-voltage metering device, belonging to the field of high-voltage line electric energy metering, comprising a fixed end, a sampling end and a connecting shaft; The two ends are respectively connected with the sampling end and the fixed end with two insulating wing nuts. The sampling end, the connecting shaft and the fixed end form a three-section U-shaped structure. The distance between the sampling end and the fixed end can be adjusted by adjusting the wing nuts; The sampling end port is provided with an open electronic CT, the opening of the electronic CT is provided with a bayonet iron core that can be closed, the lower end of the electronic CT is an integrated control circuit, and the electronic PT is integrated in the integrated control circuit. The invention has an integrated electronic CT and electronic PT structure design, the U-shaped structure is adjustable, the overall weight is small, and it is suitable for high-voltage overhead installation, solves the constraints of overhead installation, and realizes flexible deployment that is installed and used.

Description

Three-stage is U-shaped adjustable to charge installation high-voltage meter
Technical field
The present invention relates to a kind of three-stage it is U-shaped it is adjustable charge installation high-voltage meter, belong to high-tension line electric energy meter Amount field.
Background technique
The metering and measurement of 10kV overhead line both at home and abroad generallys use the traditional mode of massive quantity power supply and measurement: i.e. Current Mutual Inductance at present Device (CT), voltage transformer (PT), low -voltage Watt -hour meter are mounted in a whole batch meter.Electricity based on this working principle There are volumes for energy table greatly, weight reaches 50kg or more, it is necessary to and have a power failure installation, and the original route of palpus truncation accesses the high-pressure side of PT, CT, Low-pressure side accesses low-pressure meter, when additionally mounted, is unable to built on stilts installation, need to be installed on cross-arm, needs to lift by crane, and installation point selection has about Shu Xing, it is not possible to sight path interval come adjust clipping room away from, install it is very inconvenient.It averagely installs 1 about 4 hours, thus makes The electric power of waste is undertaken at power supply enterprise, power consumer is forced to stop production and cause economic loss serious.
Summary of the invention
The object of the present invention is to provide a kind of three-stage it is U-shaped it is adjustable charge installation high-voltage meter, have one Change electronic type CT and the design of electronic type PT structure, structure is U-shaped adjustable, and overall weight is small, is suitble to high voltage overhead installation, solves frame The binding character of sky installation, realizes the flexible deployment used after installing.
To solve the above problems, the present invention provide a kind of three-stage it is U-shaped it is adjustable charge installation high-voltage meter, including Fixing end, sampling end, connecting shaft;The sampling end is connect by connecting shaft with fixing end, connecting shaft both ends respectively with sampling end, Fixing end is connected with two insulation wing nuts, and sampling end, connecting shaft, fixing end form three-stage U-shaped structure, sampling end and solid Fixed end both ends spacing can be adjusted by adjusting wing nut;The sampling end port is equipped with an open type electronics CT, described solid Fixed end port is equipped with opening, and sampling end port and fixing end port are respectively equipped with closeable bayonet iron core, and the lower end electronics CT is Integral control circuit, electronics PT are integrated in inside integral control circuit.
Preferably, the sampling end and fixing end both ends spacing adjustable range are in 630mm~1240mm.
Preferably, it is 50mm that bayonet iron core, which can fix line footpath, at the sampling end port and fixing end port2~240mm2Frame Ceases to be busy road.
Preferably, device integrally uses the insulating materials of degree of protection IP67 to encapsulate.
Preferably, the upper end electronics CT is equipped with rain-proof eaves, and sampling end and fixing end opening inner side are equipped with intensive puncture needle, and have Rubber mat protection.
Preferably, GPRS module is embedded in metering device.
Preferably, electronics CT obtains current sampling signal, is believed electric current by the difference electric discharge road inside integral control circuit Number amplification, amplified signal is converted into the digital signal being proportional to by A/D, using digital phase correcting and high pass Filtering removes the DC component in signal subsequently into an input terminal of digital multiplier;
Electronics PT obtains voltage sampling signal by way of electric resistance partial pressure, is discharged by the difference inside integral control circuit Signal is amplified on road, and the digital signal being proportional to is converted into using A/D, into another input terminal of digital multiplier Multiplying is carried out with the signal of current channel, completes the instantaneous power measurement of measured electric energy;
Multiplier exports instantaneous power and carries out Integral Processing into " number/frequency " conversion by wave digital lowpass filter Device, is transformed into the frequency pulse signal proportional to measured electric energy mean power, and the frequency pulse signal is divided into high frequency arteries and veins Signal and low frequency pulse signal are rushed, wherein high-frequency impulse is output to verification and microprocessor interface, and low-frequency pulse pin is hanging;Arteries and veins It rushes input signal and is input to microcontroller after photoelectric conversion, after microcontroller receives pulse signal, by input arteries and veins Number is rushed to be added up and realized according to meter constant size to electrical energy measurement;Wirelessly by microcontroller, it obtains Energy information, and COMPREHENSIVE CALCULATING obtains total electric energy;GPRS/4G communication mode and Intelligent electricity utilization management system are passed through by microcontroller Wireless network connection is established, realizes the remote meter reading and load monitoring of high-voltage electric energy meter.
Invention the utility model has the advantages that
The present invention is designed using U-shaped structure, and " distribution intelligent terminal " is minimized, and overall weight is less than 12kg, integration Electronic type CT and the design of electronic type PT structure, do not need cross-arm installation, do not need to lift by crane, without any wiring, open C T automatic clamping Firmly overhead line, Direct perforantes take electricity, it can be achieved that electrification installation.Having broken conventional high-tension metering device need to have a power failure the drawbacks of installing, By installing originally 1 about 4 hour, saves to only needing 0.5 hour, manpower and material resources are greatly saved, improve efficiency.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 is the horizontal positioned structure chart of the present invention;
In figure: 1, open type electronics CT;2, rain-proof eaves;3, intensive puncture needle;4, wing nut;5 fixing ends;6, it samples End;7, bayonet iron core;8, high pressure special isolation casing;9, it punctures and shakes hole;10, connecting shaft.
Specific embodiment
Embodiment 1:
The present invention provide a kind of three-stage it is U-shaped it is adjustable charge installation high-voltage meter, the present invention provides three sections a kind of Formula is U-shaped adjustable to charge installation high-voltage meter, including fixing end 5, sampling end 6, connecting shaft 10;The sampling end 6 passes through Connecting shaft 10 is connect with fixing end 5, and 10 both ends of connecting shaft connect with two sampling end 6, fixing end 5 insulation wing nuts 4 respectively It connects, sampling end 6, connecting shaft 10, fixing end 5 form three-stage U-shaped structure, and sampling end 6 and 5 both ends spacing of fixing end can pass through tune Wing nut 4 is saved to adjust;6 port of sampling end is equipped with an open type electronics CT11, and 5 port of fixing end is equipped with and opens Mouthful, 6 port of sampling end and 5 port of fixing end are respectively equipped with closeable bayonet iron core 7, and the lower end electronics CT1 is integrated control electricity Road, electronics PT are integrated in inside integral control circuit.
Preferably, the sampling end 6 and 5 both ends spacing adjustable range of fixing end are in 630mm~1240mm
Preferably, it is 50mm that bayonet iron core 7, which can fix line footpath, at 6 port of sampling end and 5 port of fixing end2~ 240mm2Overhead transmission line.
Preferably, device integrally uses the insulating materials of degree of protection IP67 to encapsulate, and is equipped with high pressure special isolation casing 8.
Preferably, the upper end electronics CT1 is equipped with rain-proof eaves 2, and sampling end 6 and 5 opening inner side of fixing end are equipped with intensive puncture needle 3, and have rubber mat protection.
Preferably, GPRS module is embedded in metering device.
Preferably, electronics CT obtains current sampling signal, is believed electric current by the difference electric discharge road inside integral control circuit Number amplification, amplified signal is converted into the digital signal being proportional to by A/D, using digital phase correcting and high pass Filtering removes the DC component in signal subsequently into an input terminal of digital multiplier;
Electronics PT obtains voltage sampling signal by way of electric resistance partial pressure, is discharged by the difference inside integral control circuit Signal is amplified on road, and the digital signal being proportional to is converted into using A/D, into another input terminal of digital multiplier Multiplying is carried out with the signal of current channel, completes the instantaneous power measurement of measured electric energy;
Multiplier exports instantaneous power and carries out Integral Processing into " number/frequency " conversion by wave digital lowpass filter Device, is transformed into the frequency pulse signal proportional to measured electric energy mean power, and the frequency pulse signal is divided into high frequency arteries and veins Signal and low frequency pulse signal are rushed, wherein high-frequency impulse is output to verification and microprocessor interface, and low-frequency pulse pin is hanging;Arteries and veins It rushes input signal and is input to microcontroller after photoelectric conversion, after microcontroller receives pulse signal, by input arteries and veins Number is rushed to be added up and realized according to meter constant size to electrical energy measurement;Wirelessly by microcontroller, it obtains Energy information, and COMPREHENSIVE CALCULATING obtains total electric energy;GPRS/4G communication mode and Intelligent electricity utilization management system are passed through by microcontroller Wireless network connection is established, realizes the remote meter reading and load monitoring of high-voltage electric energy meter.
When installation, device direction is adjusted, towards load side, the end A is sampling end 6, B for the side identified with " A ", " B " For fixing end 5, fixing end bayonet iron core 7 is then opened, device is hung over into B phase conductor;The end A bayonet iron core 7 is opened again, hangs over A Then phase conductor is shaken in hole 9 from puncture using installation handle and is tightened, punctured to the end A, and is using specific detectors detection No to contact with high-voltage conducting wires, the bright expression of indicator light punctures in place, then tightens, punctures to the end B.If line spacing is longer, can It unscrews wing nut and carries out length adjustment.
The present invention is designed using U-shaped structure, and " distribution intelligent terminal " is minimized, and overall weight is less than 12kg, without disconnected Electricity can charge installation, be saved to only needing can be completed within 20 minutes, significantly on the time by installing a metering device 4 hours originally Manpower and material resources are saved, efficiency is improved.Without any wiring, open C T blocks overhead line automatically, and Direct perforantes take electricity.GPRS Module is embedded in high pressure gauge, directly local acquisition and teletransmission, and is not easy to distort.

Claims (7)

1. a kind of three-stage is U-shaped adjustable to charge installation high-voltage meter, which is characterized in that including fixing end, sampling end, company Spindle;The sampling end is connect by connecting shaft with fixing end, and connecting shaft both ends are insulated with sampling end, fixing end with two respectively Wing nut connection, sampling end, connecting shaft, fixing end form three-stage U-shaped structure, and sampling end and fixing end both ends spacing can lead to Overregulate wing nut adjusting;The sampling end port is equipped with an open type electronics CT, and the fixing end port is equipped with opening, Sampling end port and fixing end port are respectively equipped with closeable bayonet iron core, and the lower end electronics CT is integral control circuit, electronics PT is integrated in inside integral control circuit.
2. a kind of three-stage according to claim 1 is U-shaped adjustable to charge installation high-voltage meter, which is characterized in that The sampling end and fixing end both ends spacing adjustable range are in 630mm~1240mm.
3. a kind of three-stage according to claim 1 is U-shaped adjustable to charge installation high-voltage meter, which is characterized in that It is 50mm that bayonet iron core, which can fix line footpath, at the sampling end port and fixing end port2~240mm2Overhead transmission line.
4. a kind of three-stage according to claim 1 is U-shaped adjustable to charge installation high-voltage meter, which is characterized in that Device integrally uses the insulating materials of degree of protection IP67 to encapsulate.
5. a kind of three-stage according to claim 1 is U-shaped adjustable to charge installation high-voltage meter, which is characterized in that The upper end electronics CT is equipped with rain-proof eaves, and sampling end and fixing end opening inner side are equipped with intensive puncture needle, and have rubber mat protection.
6. a kind of three-stage according to claim 1 is U-shaped adjustable to charge installation high-voltage meter, which is characterized in that GPRS module is embedded in metering device.
7. according to claim 1~6 a kind of three-stage described in any one it is U-shaped it is adjustable charge installation high-voltage meter, It is characterized in that, electronics CT obtains current sampling signal, current signal is put by the difference electric discharge road inside integral control circuit Greatly, amplified signal is converted into the digital signal being proportional to by A/D, using digital phase correcting and high-pass filtering The DC component in signal is removed subsequently into an input terminal of digital multiplier;
Electronics PT obtains voltage sampling signal by way of electric resistance partial pressure, will by the difference electric discharge road inside integral control circuit Signal amplification, the digital signal being proportional to is converted into using A/D, into another input terminal and electricity of digital multiplier The signal of circulation road carries out multiplying, completes the instantaneous power measurement of measured electric energy;
Multiplier exports instantaneous power and carries out Integral Processing into " number/frequency " converter by wave digital lowpass filter, becomes Change the frequency pulse signal proportional to measured electric energy mean power into, the frequency pulse signal is divided into high-frequency pulse signal And low frequency pulse signal, wherein high-frequency impulse is output to verification and microprocessor interface, and low-frequency pulse pin is hanging;Pulse input Signal is input to microcontroller after photoelectric conversion, after microcontroller receives pulse signal, by input pulse number Added up and is realized according to meter constant size to electrical energy measurement;Wirelessly by microcontroller, electric energy letter is obtained Breath, and COMPREHENSIVE CALCULATING obtains total electric energy;Nothing is established by GPRS/4G communication mode and Intelligent electricity utilization management system by microcontroller Line network connection, realizes the remote meter reading and load monitoring of high-voltage electric energy meter.
CN201810885313.8A 2018-08-06 2018-08-06 Three-stage is U-shaped adjustable to charge installation high-voltage meter Pending CN109188068A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810885313.8A CN109188068A (en) 2018-08-06 2018-08-06 Three-stage is U-shaped adjustable to charge installation high-voltage meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810885313.8A CN109188068A (en) 2018-08-06 2018-08-06 Three-stage is U-shaped adjustable to charge installation high-voltage meter

Publications (1)

Publication Number Publication Date
CN109188068A true CN109188068A (en) 2019-01-11

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Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109856453A (en) * 2019-02-18 2019-06-07 国网山东省电力公司淄博供电公司 A kind of high pressure directly takes the 10kV separated time line loss metering device of energy
CN113126016A (en) * 2019-12-31 2021-07-16 国网山东省电力公司淄博供电公司 10kV separated time line loss metering device that high pressure was directly got can

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CN105572440A (en) * 2015-10-20 2016-05-11 浙江华采科技有限公司 Electric energy metering device capable of being installed on cable
CN206516880U (en) * 2016-12-05 2017-09-22 南京捷泰电力设备有限公司 A kind of portable electricity getting device
CN206712335U (en) * 2017-04-28 2017-12-05 国网山东省电力公司菏泽供电公司 A kind of action bars based on the drainage of 10kV aerial insulated wires
CN207381535U (en) * 2017-11-15 2018-05-18 南京捷泰电力设备有限公司 A kind of split type puncture outfit
CN208736932U (en) * 2018-08-06 2019-04-12 国网山东省电力公司淄博供电公司 A new type of integrated 10kV branch line loss measuring device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1453591A (en) * 2002-04-27 2003-11-05 北京中星微电子有限公司 Simple multiplying circuit for power measurement
US7565253B2 (en) * 2005-09-01 2009-07-21 Hubbell Incorporated High-voltage power supply control system and wireless controller and method therefor
CN201594113U (en) * 2009-12-23 2010-09-29 沈阳时尚实业有限公司 Single-phase electric energy meter with power line carrier communication and remote power on/off control
CN202421302U (en) * 2011-12-09 2012-09-05 吴伟成 Puncturing type insulated wire electroscope
CN104767153A (en) * 2015-04-30 2015-07-08 自贡市三人实业有限公司 Intelligent insulation wire puncturing grounding clamp
CN105067853A (en) * 2015-09-24 2015-11-18 珠海安瑞通电子科技有限公司 Length-adjustable high voltage energy meter capable of live-line installation
CN105223393A (en) * 2015-10-20 2016-01-06 浙江华采科技有限公司 A kind of can the low-voltage circuit electric power meter of charged installation
CN105572440A (en) * 2015-10-20 2016-05-11 浙江华采科技有限公司 Electric energy metering device capable of being installed on cable
CN205067597U (en) * 2015-10-29 2016-03-02 珠海安瑞通电子科技有限公司 High voltage electric energy metering device and system
CN206516880U (en) * 2016-12-05 2017-09-22 南京捷泰电力设备有限公司 A kind of portable electricity getting device
CN206712335U (en) * 2017-04-28 2017-12-05 国网山东省电力公司菏泽供电公司 A kind of action bars based on the drainage of 10kV aerial insulated wires
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CN208736932U (en) * 2018-08-06 2019-04-12 国网山东省电力公司淄博供电公司 A new type of integrated 10kV branch line loss measuring device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109856453A (en) * 2019-02-18 2019-06-07 国网山东省电力公司淄博供电公司 A kind of high pressure directly takes the 10kV separated time line loss metering device of energy
CN113126016A (en) * 2019-12-31 2021-07-16 国网山东省电力公司淄博供电公司 10kV separated time line loss metering device that high pressure was directly got can

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