CN103592501A - Low-voltage current measuring bar - Google Patents

Low-voltage current measuring bar Download PDF

Info

Publication number
CN103592501A
CN103592501A CN201310618161.2A CN201310618161A CN103592501A CN 103592501 A CN103592501 A CN 103592501A CN 201310618161 A CN201310618161 A CN 201310618161A CN 103592501 A CN103592501 A CN 103592501A
Authority
CN
China
Prior art keywords
low
insulating bar
remote data
data harvester
pincers type
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
CN201310618161.2A
Other languages
Chinese (zh)
Inventor
王智
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.)
State Grid Corp of China SGCC
State Grid Sichuan Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Sichuan 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 State Grid Corp of China SGCC, State Grid Sichuan Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201310618161.2A priority Critical patent/CN103592501A/en
Publication of CN103592501A publication Critical patent/CN103592501A/en
Pending legal-status Critical Current

Links

Abstract

The invention relates to a distribution transformer load current measuring tool, in particular to a low-voltage current measuring bar. The low-voltage current measuring bar comprises a pincer type current meter (1), an insulation bar (2), a far-end data collection device (3) and a near-end signal receiving device (4). The insulation bar (2) is formed by mutually connecting at least two sections through a threaded telescopic device (5), the pincer type current meter (1) is installed on the top of the insulation bar (2), a handle is arranged at the bottom of the insulation bar (2), the pincer type current meter (1) is connected to the handle at the bottom of the insulation bar (2) through a transmission rope (6), and the far-end data collecting device (3) is mainly composed of a camera and a wireless receiving and transmitting device. The low-voltage current measuring bar does not need to be operated by a plurality of workers, the workers do not need to climb to a transformer suspended in air to carry out measuring, and do not need to touch the transformer in a short distance, manpower is effectively saved, the personal safety of the workers is ensured, and measuring efficiency is obviously improved. Meanwhile, the distribution transformer load current measuring tool is simple in structure, low in manufacturing cost, convenient to carry and store, and suitable for being widely used.

Description

A kind of low-tension current sounding rod
Technical field
The present invention relates to distribution transformer load current survey instrument, be specifically related to a kind of low-tension current sounding rod.
Background technology
Distribution transformer load current measurement is the important means that operation power personnel grasp distribution transforming operation conditions, mainly measures each phase current of distribution low-voltage side.In real work, there is following problem in the measurement of transformer:
1, because transformer stand is more than 2.5 meters, belong to work high above the ground scope, surveying work needs at least two people to carry out, and a people measures, people's monitoring.In work, need to carry heavy stair (or taking riding boogie board to step on bar mode) and climb up transformer stand, fasten seat belts, then survey crew with pincers type reometer by measuring mutually.
2, transformer rack space is narrow, and has the charged exposed part of high and low pressure, very likely causes the generation of personnel's electric shock accidents, and during summer high-temperature load, transformer body external temperature is high, when survey crew is measured, may cause scald because of contact transformer body.
3, measurement efficiency is very low.Yi Wo company is example: totally 300 Yu Tai city substation transformers in city administration, with every Measuring Time, within 10 minutes, calculate, and per hourly only can measure 6, can not meet completely under the maximum load situation of city by the instant needs of grasping distribution transformer load of measuring.
Summary of the invention
The object of the present invention is to provide a kind of low-tension current sounding rod, the mode waste of human resource that solves low-tension current on current measuring transformer is high, poor stability and measure inefficient problem.
For solving the problems of the technologies described above, the present invention is by the following technical solutions: a kind of low-tension current sounding rod, comprise pincers type reometer, insulating bar, remote data harvester and near end signal receiving trap, insulating bar is connected by screw telescopic device mutually by least two joints, described pincers type reometer is arranged on the top of insulating bar, bottom is provided with handle, described pincers type reometer is connected to the grip of insulating bar bottom by fly rope, described remote data harvester is mainly comprised of camera and wireless transceiver, remote data harvester is arranged on pincers type reometer and makes camera can photograph the dial plate of pincers type reometer, near end signal receiving trap is mainly comprised of display device and wireless transceiver, the wireless transceiver of described remote data harvester is connected with the wireless transceiver of near end signal receiving trap by wireless signal.
Further technical scheme is, the grip of described insulating bar bottom is provided with insulated handle and wire pulley, walks around wire pulley even and one end of insulated handle when described fly rope is connected to grip.
Further technical scheme is, described insulating bar has at least three joints, by screw telescopic device and rotation axis, interconnects.
Further technical scheme is, described remote data harvester and near end signal receiving trap are all comprised of smart mobile phone, passes through the mutual transmitting wireless signals of router between smart mobile phone.
Further technical scheme is, described insulating bar is link rod.
Further technical scheme is, described fly rope is comprised of the insulating cord of one end, nearly insulating bar top and the braking rope of one end, nearly insulating bar bottom.
Further technical scheme is, on described pincers type reometer, is face glass, and described remote data harvester is adsorbed on face glass by sucker.
Compared with prior art, the invention has the beneficial effects as follows: this low-tension current sounding rod operates, without personnel, is afraid of upper high-altitude pressure-swing device measurement without many people, also without close contact transformer, effectively saved manpower and guaranteed staff's personal safety, and measured efficiency and be improved significantly; Meanwhile, simple in structure, cost of manufacture is low, is convenient to carrying and stores, and is applicable to being widely used.
 
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of low-tension current sounding rod of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 shows an embodiment of a kind of low-tension current sounding rod of the present invention: a kind of low-tension current sounding rod, comprise pincers type reometer 1, insulating bar 2, remote data harvester 3 and near end signal receiving trap 4, insulating bar 2 is connected by screw telescopic device 5 mutually by least two joints, described pincers type reometer 1 is arranged on the top of insulating bar 2, bottom is provided with handle, described pincers type reometer 1 is connected to the grip of insulating bar 2 bottoms by fly rope 6, described remote data harvester 3 is mainly comprised of camera and wireless transceiver, remote data harvester 3 is arranged on pincers type reometer 1 and makes camera can photograph the dial plate of pincers type reometer 1, near end signal receiving trap 4 is mainly comprised of display device and wireless transceiver, the wireless transceiver of described remote data harvester 3 is connected with the wireless transceiver of near end signal receiving trap 4 by wireless signal.
A kind of low-tension current sounding rod preferred embodiment according to the present invention: a kind of low-tension current sounding rod, comprise pincers type reometer 1, insulating bar 2, remote data harvester 3 and near end signal receiving trap 4, insulating bar 2 is connected by screw telescopic device 5 mutually by least two joints, described pincers type reometer 1 is arranged on the top of insulating bar 2, bottom is provided with handle, described pincers type reometer 1 is connected to the grip of insulating bar 2 bottoms by fly rope 6, described remote data harvester 3 is mainly comprised of camera and wireless transceiver, remote data harvester 3 is arranged on pincers type reometer 1 and makes camera can photograph the dial plate of pincers type reometer 1, near end signal receiving trap 4 is mainly comprised of display device and wireless transceiver, the wireless transceiver of described remote data harvester 3 is connected with the wireless transceiver of near end signal receiving trap 4 by wireless signal, the grip of wherein said insulating bar 2 bottoms is provided with insulated handle 7 and wire pulley 8, when being connected to grip, described fly rope 6 walks around one end of wire pulley 8 companies and insulated handle 7.
Another preferred embodiment of a kind of low-tension current sounding rod according to the present invention, a kind of low-tension current sounding rod, comprise pincers type reometer 1, insulating bar 2, remote data harvester 3 and near end signal receiving trap 4, insulating bar 2 is connected by screw telescopic device 5 mutually by least two joints, described pincers type reometer 1 is arranged on the top of insulating bar 2, bottom is provided with handle, described pincers type reometer 1 is connected to the grip of insulating bar 2 bottoms by fly rope 6, described remote data harvester 3 is mainly comprised of camera and wireless transceiver, remote data harvester 3 is arranged on pincers type reometer 1 and makes camera can photograph the dial plate of pincers type reometer 1, near end signal receiving trap 4 is mainly comprised of display device and wireless transceiver, the wireless transceiver of described remote data harvester 3 is connected with the wireless transceiver of near end signal receiving trap 4 by wireless signal, wherein said insulating bar 2 has at least three joints, by screw telescopic device 5 and rotation axis 9, interconnect.
Another preferred embodiment of a kind of low-tension current sounding rod according to the present invention: a kind of low-tension current sounding rod, comprise pincers type reometer 1, insulating bar 2, remote data harvester 3 and near end signal receiving trap 4, insulating bar 2 is connected by screw telescopic device 5 mutually by least two joints, described pincers type reometer 1 is arranged on the top of insulating bar 2, bottom is provided with handle, described pincers type reometer 1 is connected to the grip of insulating bar 2 bottoms by fly rope 6, described remote data harvester 3 is mainly comprised of camera and wireless transceiver, remote data harvester 3 is arranged on pincers type reometer 1 and makes camera can photograph the dial plate of pincers type reometer 1, near end signal receiving trap 4 is mainly comprised of display device and wireless transceiver, the wireless transceiver of described remote data harvester 3 is connected with the wireless transceiver of near end signal receiving trap 4 by wireless signal, wherein said remote data harvester 3 and near end signal receiving trap 4 are all comprised of smart mobile phone, between smart mobile phone, pass through the mutual transmitting wireless signals of router.
Another preferred embodiment of a kind of low-tension current sounding rod according to the present invention: a kind of low-tension current sounding rod, comprise pincers type reometer 1, insulating bar 2, remote data harvester 3 and near end signal receiving trap 4, insulating bar 2 is connected by screw telescopic device 5 mutually by least two joints, described pincers type reometer 1 is arranged on the top of insulating bar 2, bottom is provided with handle, described pincers type reometer 1 is connected to the grip of insulating bar 2 bottoms by fly rope 6, described remote data harvester 3 is mainly comprised of camera and wireless transceiver, remote data harvester 3 is arranged on pincers type reometer 1 and makes camera can photograph the dial plate of pincers type reometer 1, near end signal receiving trap 4 is mainly comprised of display device and wireless transceiver, the wireless transceiver of described remote data harvester 3 is connected with the wireless transceiver of near end signal receiving trap 4 by wireless signal, wherein said insulating bar 2 is link rod.
Another preferred embodiment of a kind of low-tension current sounding rod according to the present invention: a kind of low-tension current sounding rod, comprise pincers type reometer 1, insulating bar 2, remote data harvester 3 and near end signal receiving trap 4, insulating bar 2 is connected by screw telescopic device 5 mutually by least two joints, described pincers type reometer 1 is arranged on the top of insulating bar 2, bottom is provided with handle, described pincers type reometer 1 is connected to the grip of insulating bar 2 bottoms by fly rope 6, described remote data harvester 3 is mainly comprised of camera and wireless transceiver, remote data harvester 3 is arranged on pincers type reometer 1 and makes camera can photograph the dial plate of pincers type reometer 1, near end signal receiving trap 4 is mainly comprised of display device and wireless transceiver, the wireless transceiver of described remote data harvester 3 is connected with the wireless transceiver of near end signal receiving trap 4 by wireless signal, wherein said fly rope 6 is comprised of the insulating cord of nearly insulating bar 2 one end, top and the braking rope of nearly insulating bar 2 one end, bottom.
Another preferred embodiment of a kind of low-tension current sounding rod according to the present invention: a kind of low-tension current sounding rod, comprise pincers type reometer 1, insulating bar 2, remote data harvester 3 and near end signal receiving trap 4, insulating bar 2 is connected by screw telescopic device 5 mutually by least two joints, described pincers type reometer 1 is arranged on the top of insulating bar 2, bottom is provided with handle, described pincers type reometer 1 is connected to the grip of insulating bar 2 bottoms by fly rope 6, described remote data harvester 3 is mainly comprised of camera and wireless transceiver, remote data harvester 3 is arranged on pincers type reometer 1 and makes camera can photograph the dial plate of pincers type reometer 1, near end signal receiving trap 4 is mainly comprised of display device and wireless transceiver, the wireless transceiver of described remote data harvester 3 is connected with the wireless transceiver of near end signal receiving trap 4 by wireless signal, on described pincers type reometer 1, it is face glass, described remote data harvester 3 is adsorbed on face glass by sucker.
It is worthy of note, above-mentioned embodiment can also be combined to form the better embodiment of effect mutually.
The present invention can not only be used in substation transformer low-tension current and measure, and also can be widely used in the current measurement of low pressure backbone, service main, entrance line, is exemplified below:
Application scenarios one: transformer load three-phase imbalance, cause neutral-point displacement serious, need to adjust three-phase load, reach the consistent situation of three-phase load, can simple and fast with this device measure each point, each phase current data, by data, can easily realize heavily loaded phase load is adjusted to underloading phase, improve Three-Phase Transformer quality of balance, reduce transformer loss, improve quality of voltage.
Application scenarios two: supervision of power consumption personnel can measure the electric current of low pressure entrance line, the line of visiting one house after another very easily, have determined whether stealing circuit and electricity filching behavior.
Application scenarios three: by this device, can determine fast phase line and zero line, avoid burning because error in judgement causes electricity consumption client household electrical appliance, can all kinds of low voltage failure of fast detecting.
Application scenarios four: can pass through this covering device and scheme, realize the real-time synchronization transmission of long-range view data, the effective observation to the position of eminence hidden danger or needs observation.
Advantage of the present invention is:
1, remote data harvester is as observation element, near end signal receiving trap is all adsorbed in the plane that the poly (methyl methacrylate) plate (or other materials) fixing has been installed on control lever by sucker, the object with easy installation and removal, convenient to the operation of mobile phone and debugging, be also convenient to the adjustment of viewing angle.
The reometer (or other meter meters) of the dissimilar and precision of replacing that 2, the front portion of sounding rod can be flexible to the fixed part of clamp on amperemeter, is provided with night light, can realize floor light is provided the in the situation that of night illumination deficiency.
3, the clamp meter of installing on sounding rod passes to insulated handle by fly rope, and by wire pulley, has reached the effect of commutation and minimizing resistance, has realized manual light folding clamp on amperemeter.
4, between remote data harvester and near end signal receiving trap, by wireless network, realize the real-time Transmission of image screen, solved wired mode line many, random, flimsy drawback.
5, remote data harvester and near end signal receiving trap select mobile phone (can be also the smart machine that it can connecting wireless network) as observation element, because mobile phone operating system, operating system can be Android system, ios system or even the windows system (smart mobile phone of preferential select tape Android operating system, open system, person is many for mobile phone usage quantity) there is very strong extendability, can realize a lot of functions, such as lower hand function control top mobile phone is taken pictures, recorded a video, the functions such as starting hand-set carries flashlamp, zoom.
6, adopt wireless router that wireless network support is provided, can be placed directly in gauger's bag, without special installation, and wireless router stream time is long, and does not need 3g data card, and campus network does not occur, freely cheap.If adopt wireless router and add 3g data card, just can realize remote observation, such as: technician is in office, and survey crew is at the real-time data transmission at substation transformer scene.
Although with reference to a plurality of explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other modification and embodiments, and these are revised and within embodiment will drop on the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to the building block of subject combination layout and/or layout.Except distortion that building block and/or layout are carried out and improving, to those skilled in the art, other purposes will be also obvious.

Claims (7)

1. a low-tension current sounding rod, it is characterized in that: comprise pincers type reometer (1), insulating bar (2), remote data harvester (3) and near end signal receiving trap (4), insulating bar (2) is connected by screw telescopic device (5) mutually by least two joints, described pincers type reometer (1) is arranged on the top of insulating bar (2), bottom is provided with handle, described pincers type reometer (1) is connected to the grip of insulating bar (2) bottom by fly rope (6), described remote data harvester (3) is mainly comprised of camera and wireless transceiver, remote data harvester (3) is arranged on pincers type reometer (1) and goes up and make camera can photograph the dial plate of pincers type reometer (1), near end signal receiving trap (4) is mainly comprised of display device and wireless transceiver, the wireless transceiver of described remote data harvester (3) is connected with the wireless transceiver of near end signal receiving trap (4) by wireless signal.
2. a kind of low-tension current sounding rod according to claim 1, it is characterized in that: the grip of described insulating bar (2) bottom is provided with insulated handle (7) and wire pulley (8), when described fly rope (6) is connected to grip, walk around wire pulley (8) even and one end of insulated handle (7).
3. a kind of low-tension current sounding rod according to claim 1, is characterized in that: described insulating bar (2) has at least three joints, by screw telescopic device (5) and rotation axis (9), interconnects.
4. a kind of low-tension current sounding rod according to claim 1, is characterized in that: described remote data harvester (3) and near end signal receiving trap (4) are all comprised of smart mobile phone, passes through the mutual transmitting wireless signals of router between smart mobile phone.
5. a kind of low-tension current sounding rod according to claim 1, is characterized in that: described insulating bar (2) is link rod.
6. a kind of low-tension current sounding rod according to claim 1, is characterized in that: described fly rope (6) is comprised of the insulating cord of nearly insulating bar (2) one end, top and the braking rope of one end, nearly insulating bar (2) bottom.
7. a kind of low-tension current sounding rod according to claim 1, is characterized in that: on described pincers type reometer (1), be face glass, described remote data harvester (3) is adsorbed on face glass by sucker.
CN201310618161.2A 2013-11-27 2013-11-27 Low-voltage current measuring bar Pending CN103592501A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310618161.2A CN103592501A (en) 2013-11-27 2013-11-27 Low-voltage current measuring bar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310618161.2A CN103592501A (en) 2013-11-27 2013-11-27 Low-voltage current measuring bar

Publications (1)

Publication Number Publication Date
CN103592501A true CN103592501A (en) 2014-02-19

Family

ID=50082719

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310618161.2A Pending CN103592501A (en) 2013-11-27 2013-11-27 Low-voltage current measuring bar

Country Status (1)

Country Link
CN (1) CN103592501A (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103926444A (en) * 2014-03-10 2014-07-16 国家电网公司 Rotating motor shaft voltage measuring rod
CN104133104A (en) * 2014-08-13 2014-11-05 国家电网公司 Novel telescopic type low-voltage tong-type ammeter
CN105182115A (en) * 2015-08-24 2015-12-23 国网天津市电力公司 Testing method for large-aperture long-distance dedicated split-core type meter
CN105391982A (en) * 2015-11-26 2016-03-09 国网北京市电力公司 Inspection device for liquid level window of transformer oil conservator
CN106018923A (en) * 2016-06-16 2016-10-12 国网浙江省电力公司丽水供电公司 Clamp type ammeter
CN106226561A (en) * 2016-07-08 2016-12-14 国网福建省电力有限公司 500kV transformer station electrical test jointer combined complete and using method thereof
CN106534770A (en) * 2016-09-30 2017-03-22 成都益睿信科技有限公司 Electric power electricity inspection device
CN106771378A (en) * 2016-12-07 2017-05-31 国家电网公司 A kind of wireless test clamps hand-held bar
CN108508305A (en) * 2018-04-28 2018-09-07 广东电网有限责任公司 A kind of power utility check device
CN108508254A (en) * 2018-03-27 2018-09-07 广东电网有限责任公司汕头供电局 It is a kind of to install the current measuring device for extending lever additional
CN108593994A (en) * 2018-04-25 2018-09-28 广东电网有限责任公司 Telescopic ammeter ancillary equipment
CN108917938A (en) * 2018-09-19 2018-11-30 吉林大学 A kind of extension type infrared temperature measurement apparatus
CN109709376A (en) * 2019-03-20 2019-05-03 广东电网有限责任公司 A kind of novel clamp current measuring device
CN110244114A (en) * 2019-07-29 2019-09-17 广东电网有限责任公司 A kind of multifunction test operation insulating bar
CN110632450A (en) * 2019-08-16 2019-12-31 国网浙江省电力有限公司湖州供电公司 Intelligent low-voltage distribution network patrol instrument device
CN111239645A (en) * 2020-01-13 2020-06-05 国网河北省电力有限公司沧州供电分公司 Clamp type ammeter measuring system under ubiquitous internet

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002107387A (en) * 2000-09-28 2002-04-10 Tempearl Ind Co Ltd Current value detecting method and current value detecting device
DE102007044166A1 (en) * 2006-09-18 2008-04-03 Ralf Scherber Current production and usage quantity measuring arrangement for low voltage grid, has interface for bidirectional data exchange with external data acquiring and evaluating unit e.g. personal computer
CN201965203U (en) * 2010-10-20 2011-09-07 山东电力集团公司烟台供电公司 Intelligent equipment status detector
CN202362352U (en) * 2011-12-06 2012-08-01 重庆市电力公司璧山供电局 Load current testing tool for distribution transformer
CN103091527A (en) * 2011-11-04 2013-05-08 上海科沁机电有限公司 Video universal meter
CN203025258U (en) * 2012-11-25 2013-06-26 山东计保电气有限公司 High-voltage on-line electric parameter measuring device
CN203133268U (en) * 2013-04-03 2013-08-14 王栋 A high-voltage metering box verifier
CN203242953U (en) * 2013-04-02 2013-10-16 河南省电力公司驻马店供电公司 Link bar capable of measuring high-voltage load current
CN203630193U (en) * 2013-11-27 2014-06-04 国家电网公司 Low-voltage current measuring rod

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002107387A (en) * 2000-09-28 2002-04-10 Tempearl Ind Co Ltd Current value detecting method and current value detecting device
DE102007044166A1 (en) * 2006-09-18 2008-04-03 Ralf Scherber Current production and usage quantity measuring arrangement for low voltage grid, has interface for bidirectional data exchange with external data acquiring and evaluating unit e.g. personal computer
CN201965203U (en) * 2010-10-20 2011-09-07 山东电力集团公司烟台供电公司 Intelligent equipment status detector
CN103091527A (en) * 2011-11-04 2013-05-08 上海科沁机电有限公司 Video universal meter
CN202362352U (en) * 2011-12-06 2012-08-01 重庆市电力公司璧山供电局 Load current testing tool for distribution transformer
CN203025258U (en) * 2012-11-25 2013-06-26 山东计保电气有限公司 High-voltage on-line electric parameter measuring device
CN203242953U (en) * 2013-04-02 2013-10-16 河南省电力公司驻马店供电公司 Link bar capable of measuring high-voltage load current
CN203133268U (en) * 2013-04-03 2013-08-14 王栋 A high-voltage metering box verifier
CN203630193U (en) * 2013-11-27 2014-06-04 国家电网公司 Low-voltage current measuring rod

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103926444B (en) * 2014-03-10 2017-01-11 国家电网公司 Rotating motor shaft voltage measuring rod
CN103926444A (en) * 2014-03-10 2014-07-16 国家电网公司 Rotating motor shaft voltage measuring rod
CN104133104A (en) * 2014-08-13 2014-11-05 国家电网公司 Novel telescopic type low-voltage tong-type ammeter
CN104133104B (en) * 2014-08-13 2017-04-19 国家电网公司 Novel telescopic type low-voltage tong-type ammeter
CN105182115A (en) * 2015-08-24 2015-12-23 国网天津市电力公司 Testing method for large-aperture long-distance dedicated split-core type meter
CN105182115B (en) * 2015-08-24 2018-12-04 国网天津市电力公司 A kind of test method of heavy caliber split-core type meter dedicated over long distances
CN105391982A (en) * 2015-11-26 2016-03-09 国网北京市电力公司 Inspection device for liquid level window of transformer oil conservator
CN105391982B (en) * 2015-11-26 2019-05-24 国网北京市电力公司 The checking device of installation for transformer liquid level window
CN106018923A (en) * 2016-06-16 2016-10-12 国网浙江省电力公司丽水供电公司 Clamp type ammeter
CN106226561A (en) * 2016-07-08 2016-12-14 国网福建省电力有限公司 500kV transformer station electrical test jointer combined complete and using method thereof
CN106534770A (en) * 2016-09-30 2017-03-22 成都益睿信科技有限公司 Electric power electricity inspection device
CN106771378A (en) * 2016-12-07 2017-05-31 国家电网公司 A kind of wireless test clamps hand-held bar
CN108508254A (en) * 2018-03-27 2018-09-07 广东电网有限责任公司汕头供电局 It is a kind of to install the current measuring device for extending lever additional
CN108508254B (en) * 2018-03-27 2023-10-20 广东电网有限责任公司汕头供电局 Current measuring device with additional extension operation handle
CN108593994A (en) * 2018-04-25 2018-09-28 广东电网有限责任公司 Telescopic ammeter ancillary equipment
CN108508305A (en) * 2018-04-28 2018-09-07 广东电网有限责任公司 A kind of power utility check device
CN108917938B (en) * 2018-09-19 2022-05-17 吉林大学 Telescopic infrared temperature measuring device
CN108917938A (en) * 2018-09-19 2018-11-30 吉林大学 A kind of extension type infrared temperature measurement apparatus
CN109709376A (en) * 2019-03-20 2019-05-03 广东电网有限责任公司 A kind of novel clamp current measuring device
CN110244114A (en) * 2019-07-29 2019-09-17 广东电网有限责任公司 A kind of multifunction test operation insulating bar
CN110632450A (en) * 2019-08-16 2019-12-31 国网浙江省电力有限公司湖州供电公司 Intelligent low-voltage distribution network patrol instrument device
CN110632450B (en) * 2019-08-16 2022-04-01 国网浙江省电力有限公司湖州供电公司 Intelligent low-voltage distribution network patrol instrument device
CN111239645A (en) * 2020-01-13 2020-06-05 国网河北省电力有限公司沧州供电分公司 Clamp type ammeter measuring system under ubiquitous internet

Similar Documents

Publication Publication Date Title
CN103592501A (en) Low-voltage current measuring bar
CN203630193U (en) Low-voltage current measuring rod
CN106970291B (en) A kind of method of automatic test high voltage device of transformer station current loop secondary load
US9698609B2 (en) Testing device power induced by current transformer
CN107064615A (en) HVAC power transmission line voltage class measuring method, apparatus and system
CN103018551A (en) Single-phase intelligent electric energy meter with ZigBee communication module
CN106229228A (en) Intelligent leakage circuit breaker
CN103344877B (en) Potable polarity test rod
CN205484647U (en) Many function combination formula polarity test appearance
CN203232084U (en) Improved high-voltage electroscope
CN105842576B (en) Earth-continuity remote-controlled test device
CN205484555U (en) Portable 240V direct current system insulation monitoring and warning device for communication
CN209606500U (en) A kind of high side current pincers
CN204359924U (en) Induction type mutual inductor identifier
CN212568989U (en) Box-type substation signal simulation test platform
KR101303316B1 (en) Multi-dsiplay Detector For Power Equipment
KR20150062462A (en) Apparatus for checking of cable
CN109254183A (en) A kind of metering system for ring network cabinet
CN204964668U (en) Detection device is assisted to cable inspection earthing state
CN204789785U (en) Portable intelligent substation relay protection testing arrangement
CN211505860U (en) Electric energy meter calibrating installation convenient to operation
CN208368860U (en) Intelligent charge socket
CN207424117U (en) The combined instrument quickly measured for electric power mutual-inductor no-load voltage ratio
CN208588927U (en) Wisdom network and electric power of equipment monitoring system
CN201830384U (en) Device for observing electrified running electrical device without touch

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20140219