CN208443959U - Intelligent distribution network grounding wire device and intelligent distribution network grounding wire grounding measurement system - Google Patents
Intelligent distribution network grounding wire device and intelligent distribution network grounding wire grounding measurement system Download PDFInfo
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Abstract
The utility model provides an intelligent distribution network grounding wire device and an intelligent distribution network grounding wire grounding measurement system, which relate to the technical field of circuit maintenance and comprise a grounding wire body, a power testing indicator, a positioning assembly and a grounding measurement intelligent host; the electricity testing indicator is arranged on the grounding wire body, is in signal connection with the intelligent grounding measurement host, and is used for sensing current information on the high-voltage wire and sending the current information to the intelligent grounding measurement host; the positioning assembly is in signal connection with the intelligent grounding measurement host and used for collecting position information of the grounding wire body and sending the position information to the intelligent grounding measurement host. The utility model avoids the occurrence of safety events caused by false electricity testing and false grounding which are caused by electricity testing and grounding failure; in addition, the grounding resistance test of the grounding point is completed without adding an auxiliary electrode, and the measurement requirement of the grounding resistance under special environment is effectively met.
Description
Technical field
The utility model relates to circuit service technique fields, more particularly, to a kind of intelligent network distribution grounding wire device and intelligence
Distribution ground connection measuring system.
Background technique
Electrical verification and ground connection are the technical measures of line outage maintenance, are the guarantors for being related to the safety in production person and equipment safety
Barrier measure.The electrical verification of the maintenance of line outage at present is all manually to go to judge, when distribution overhead line mounts 10kV temporary ground wire,
Electroscope electrical verification is used before this, then mounts ground line again, there is a time interval in this way, if " powering " occurs in route
" power transmission " situation, operating personnel have reformed into the pernicious operation of " live connection of ground wire ", there is the high risk that the person is got an electric shock and died.
Whether there is or not correct electrical verifications by operator, and whether the quality of electrical verification is qualified, does not have " secondary " to check on；In place whether ground connection, if is mounted on
On conductor insulation sheath, or it is grounded the problems such as moving contact is without fix in position, field ground guardian can not short distance intuitive judgment
In place whether operation.In route maintenance engineering field, ground resistance is an important technology index of earthed system, is to measure
Earthed system validity, safety and the judgement whether satisfactory important parameter of earthed system.In addition with the safety of work ticket
Whether shaft tower number " grounding point " installation site of carrying out measures is correct, and scheduling person on duty can not judge that need to be grounded increase can
Judge accurate positioning device, prevents from stepping on wrong electrification shaft tower, can also judge ground wire hitching position and quantity；Because this problem is led
It causes security incident caused by " false electrical verification " " virtual earth " that electrical verification is not in place, ground connection is not in place to often occur, must pay attention to
One safety related technical problems.
The information disclosed in the background technology section is intended only to deepen the reason to the general background technology of the utility model
Solution, and it is known to those skilled in the art existing to be not construed as recognizing or imply that the information is constituted in any form
Technology.
Utility model content
The purpose of this utility model is to provide a kind of intelligent network distribution grounding wire devices and intelligent network distribution ground connection to survey
Amount system, by having the electricity of electrical verification indicator real-time monitoring temporary ground wire while being grounded ontology with connecting with rack
Pressure, ensure that the life security of wiring worker；Ground line ontology reports the location information of itself in attaching, by comparison
Breath and the shaft tower location information that acquires in advance are notified to judge that ground line hangs attachment positions, avoid electrical verification is not in place, ground connection not
The generation of security incident caused by " false electrical verification " " virtual earth " in place；Also, auxiliary electrode need not be increased and complete grounding point
Earth resistance efficiently solves the measurement request under particular surroundings to ground resistance.
To achieve the above object, the utility model the following technical schemes are provided:
In a first aspect, the utility model provides a kind of intelligent network distribution grounding wire device, comprising: ground line ontology, electrical verification refer to
Show device, positioning component and earthmeter smart host；
The electrical verification indicator is installed on the ground line ontology, and is connected with the earthmeter smart host signal
It connects, for incuding the current information on high-tension bus-bar and the current information being sent to the earthmeter smart host；
The positioning component is connect with the earthmeter smart host signal, for acquiring the position of the ground line ontology
Confidence breath, and the location information is sent to the earthmeter smart host.
Further, the electrical verification indicator includes electrical verification component, and the electrical verification component includes test side and controller；
State of insulation, the test side and the controller signals are between the test side and the ground line ontology
Connection, the test side is used to detect the current information on high-tension bus-bar, and the current information is transferred to the controller；
The controller is connect with the earthmeter smart host signal, described for the current information to be transferred to
Earthmeter smart host.
Further, the electrical verification component further includes alarm, and the alarm is connected with the controller in a signal way., described
Controller controls the opening and closing of the alarm according to the current information.
Further, the alarm includes voice guard and/or photoelectric alarm；
The voice guard is connected with the controller in a signal way., and the controller is according to current information control
The opening and closing of voice guard；
The photoelectric alarm is connected with the controller in a signal way., and the controller is according to current information control
The opening and closing of photoelectric alarm.
Further, the positioning component is connect by the controller with the earthmeter smart host signal, is used
In by it is described ground line ontology location information be sent to the earthmeter smart host.
Further, the earthmeter smart host includes ground column interconnecting piece and ohmmeter ontology；The connection of described ground column
Portion is connect with the ground line ontology by electric wire, for connecting with ground column；The ohmmeter ontology and described ground column interconnecting piece
Connection；The ohmmeter ontology includes resistance measurement component, master component and communication component；Wherein:
The resistance measurement component is connected with the master component, is used for collection voltages information and current information, and will
The information of voltage and the current information are sent to the master component；The master component is for receiving the information of voltage
With the current information, and resistance information is obtained according to the information of voltage and the current information；The master component passes through
The communication component is connect with monitoring terminal by signal, for the resistance information to be sent to the monitor terminal.
Further, the ohmmeter ontology further includes display, and the display is connect with the master component signal,
For showing information according to the control command of the master component.
Further, the ohmmeter ontology further includes input module, the input module and the master component signal
Connection is used for and the master component human-computer interaction.
Further, the input module includes the key connecting with the master component signal.
Second aspect, the utility model also provide a kind of intelligent network distribution ground connection measuring system, including monitor terminal,
It further include intelligent network distribution grounding wire device described in any one of first aspect, the monitor terminal and the intelligent network distribution are grounded
Earthmeter smart host signal connection in line apparatus.
Intelligent network distribution grounding wire device provided by the utility model and intelligent network distribution ground connection measuring system have with
It is lower the utility model has the advantages that
The utility model first aspect provides a kind of intelligent network distribution grounding wire device, comprising: ground line ontology, electrical verification instruction
Device, positioning component and earthmeter smart host；Electrical verification indicator is installed on ground line ontology, and intelligently main with earthmeter
Machine signal connection, for incuding the current information on high-tension bus-bar and current information being sent to earthmeter smart host；It is fixed
Hyte part is connect with earthmeter smart host signal, for acquiring the location information of ground line ontology, and location information is sent out
It send to earthmeter smart host.
The intelligent network distribution grounding wire device provided using the utility model first aspect is provided on ground line ontology and is tested
Electrical indicator is connected with small-sized electroscopic device in the position of ground line ontology and line contacts, by being grounded ontology and matching
While rack connects, there is the voltage of electrical verification indicator real-time monitoring temporary ground wire, ensure that the life security of wiring worker.
Meanwhile positioning component being installed on ground line ontology, installation positioning component can also be set on electrical verification indicator.Ground line is originally
Body is reported the location information of itself by earthmeter smart host in attaching, reports information and earlier acquisition by comparison
Shaft tower location information come judge ground line hang attachment positions.
The utility model first aspect provides a kind of intelligent network distribution grounding wire device, by ground line ontology and with rack
While connection, there is the voltage of electrical verification indicator real-time monitoring temporary ground wire, ensure that the life security of wiring worker；Ground connection
Line ontology reports the location information of itself in attaching, by compare report information and the shaft tower location information that acquires in advance come
Judgement ground line hangs attachment positions, avoids safety caused by " false electrical verification " " virtual earth " that electrical verification is not in place, ground connection is not in place
The generation of event；Also, the earth resistance that auxiliary electrode completes grounding point need not be increased, efficiently solve particular surroundings
Under to the measurement request of ground resistance.
The intelligent network distribution ground connection measuring system that the utility model second aspect provides is provided with the utility model the
On the one hand the intelligent network distribution grounding wire device provided, thus the intelligent network distribution ground line provided with the utility model first aspect
All beneficial effects possessed by device.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of intelligent network distribution grounding wire device provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of electrical verification indicator provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of ground line ontology provided by the embodiment of the utility model；
Fig. 4 is the schematic diagram of electrical verification indicator and positioning component provided by the embodiment of the utility model；
Fig. 5 is the schematic diagram of ohmmeter ontology provided by the embodiment of the utility model.
Icon: 100- is grounded ontology；200- electrical verification indicator；300- positioning component；400- earthmeter smart host；
The test side 210-；220- controller；230- alarm；The ground 410- column interconnecting piece；420- ohmmeter ontology；421- resistance measurement group
Part；422- master component；423- communication component；424- display；425- key.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5 are please referred to, below in conjunction with attached drawing to intelligence provided by the embodiment of the utility model
Distribution grounding wire device and intelligent network distribution ground connection measuring system elaborate.
The embodiment of the utility model first aspect provides a kind of intelligent network distribution grounding wire device, comprising: ground line is originally
Body 100, electrical verification indicator 200, positioning component 400300 and earthmeter smart host；
Electrical verification indicator 200 is installed on ground line ontology 100, and is connect with earthmeter smart host signal, is used for
Incude the current information on high-tension bus-bar and current information is sent to earthmeter smart host；
Positioning component 400300 is connect with earthmeter smart host signal, for acquiring the position of ground line ontology 100
Information, and location information is sent to earthmeter smart host.
The intelligent network distribution grounding wire device provided using the embodiment of the utility model first aspect, in ground line ontology
It is provided with electrical verification indicator 200 on 100, is connected with small-sized electroscopic device in the position of ground line ontology 100 and line contacts, leads to
It crosses while being grounded ontology 100 with connecting with rack, there is the voltage of 200 real-time monitoring temporary ground wire of electrical verification indicator,
It ensure that the life security of wiring worker.Meanwhile positioning component 400300 being installed on ground line ontology 100, it can also test
Setting installation positioning component 400300 on electrical indicator 200.Ground line ontology 100 passes through the location information of itself in attaching
Earthmeter smart host reports, and is mounted by comparing the shaft tower location information for reporting information and acquiring in advance to judge to be grounded
Connect position.
The embodiment of the utility model first aspect provides a kind of intelligent network distribution grounding wire device, by ground line ontology
100 with rack connect while, have the voltage of 200 real-time monitoring temporary ground wire of electrical verification indicator, ensure that wiring worker
Life security；Ground line ontology 100 reports the location information of itself in attaching, reports information by comparison and adopts in advance
The shaft tower location information of collection hangs attachment positions to judge to be grounded, and avoids electrical verification is not in place, ground connection is not in place " false electrical verification "
The generation of security incident caused by " virtual earth "；Also, the earth resistance that auxiliary electrode completes grounding point need not be increased, had
Solves to effect the measurement request under particular surroundings to ground resistance.
In the optional scheme of the present embodiment, further, electrical verification indicator 200 includes electrical verification component, electrical verification component packet
Include test side 210 and controller 220；
State of insulation is between test side 210 and ground line ontology 100, test side 210 and 220 signal of controller connect
It connects, test side 210 is used to detect the current information on high-tension bus-bar, and current information is transferred to controller 220；
Controller 220 is connect with earthmeter smart host signal, for current information to be transferred to earthmeter intelligence
Host.
It is grounded ontology 100 and is also known as grounded extension, including insulating bar and the hook for being set to insulating bar one end, insulating bar can
It is connect by linking up with high-tension bus-bar, and links up with and connect with ground column interconnecting piece 410 by electric wire.
Controller 220 is set to the junction of hook and insulating bar, and test side 210 is set on hook, and test side 210
State of insulation is between hook, test side 210 is connect with 220 signal of controller, and test side 210 is for detecting high-tension bus-bar
On current information, and current information is transferred to controller 220.
In at least one embodiment, test side 210 includes electrical verification induction antenna, and the distribution of electrical verification induction antenna is mounted on extension
Signal is transmitted to the electrical verification in controller 220 and handled by the outer ring of hook, that is, the position nearest apart from overhead line when operating, induction antenna
Circuit.It since the induced electricity of 10kV distribution overhead line has several kilovolts, while being also possible to that electrical body can be touched, and links up with electricity
Gesture is ground potential, therefore induction antenna and hook must guarantee certain insulation, ensure 10kV compressive resistance when necessary.
In at least one embodiment, processor is quasi- selects new Tang ARM (M058DZNQFN32), strong antijamming capability and function
It consumes low.
In the optional scheme of the present embodiment, further, electrical verification component further includes alarm 230, alarm 230 and control
220 signal of device connection processed, controller 220 control the opening and closing of alarm 230 according to current information.
In the optional scheme of the present embodiment, further, alarm 230 includes voice guard and/or photoelectric alarm
Device；
Voice guard is connect with 220 signal of controller, and controller 220 controls opening for voice guard according to current information
It opens and closes；
Photoelectric alarm is connect with 220 signal of controller, and controller 220 controls opening for photoelectric alarm according to current information
It opens and closes.
In at least one embodiment, as shown in figure 4, non-contact electricity testing circuit mainly include sensing, signal amplification,
Signal condition/transformation, ARM core circuit, sound-light alarm driving, GPS and RF modular circuit composition.Also there is self-checking circuit simultaneously
And self-test switch, it is whether normal convenient for user's judgment means.Self-checking circuit is designed using Wien bridge circuit oscillating circuit.Electrical verification component
With position positioning and data-transformation facility, ground wire hitching location information, electrical verification information and battery level information can be led to
It crosses RF radio-frequency module and is sent to earthmeter smart host.
In at least one embodiment, under the premise of not changing the operating habit of operating personnel, by controller 220, power supply
Battery (replaceable) and alarm 230 are encapsulated in smaller container (about 35*20*10mm), realize integrated design.It is whole to fill
Envelope realizes outdoor water-proof requirement.Structure design hangs the characteristic as tool based on ground line, considers durable portable.
In at least one embodiment, electrical verification component has a data-transformation facility, the communication component of electrical verification component can with but
It is not limited only to as RF radio-frequency module, electrical verification information and battery level information can be sent to by electrical verification component by RF radio-frequency module
The RF radio-frequency module of communication component 423 in resistance measurement mechanism.
In the optional scheme of the present embodiment, further, positioning component 400300 passes through controller 220 and earthmeter
Smart host signal connection, for the location information for being grounded ontology 100 to be sent to earthmeter smart host.
In at least one embodiment, positioning component 400300 will be grounded ontology by controller 220 and communication component
100 location information is sent to earthmeter smart host.
In the optional scheme of the present embodiment, further, earthmeter smart host includes ground column interconnecting piece 410 and electricity
Hinder table ontology 420；Ground column interconnecting piece 410 is connect with ground line ontology 100 by electric wire, for connecting with ground column；Ohmmeter sheet
Body 420 is connect with ground column interconnecting piece 410；Ohmmeter ontology 420 includes resistance measurement component 421, master component 422 and communication set
Part 423；Wherein:
Resistance measurement component 421 is connected with master component 422, is used for collection voltages information and current information, and will be electric
Pressure information and current information are sent to master component 422；Master component 422 is for receiving information of voltage and current information, and root
Resistance information is obtained according to information of voltage and current information；Master component 422 is connected by communication component 423 and monitoring terminal by signal
It connects, for resistance information to be sent to monitor terminal.
In at least one embodiment, resistance measurement component 421 realizes the survey of non-contact ground resistance using two-coil method
Amount.
In the optional scheme of the present embodiment, further, ohmmeter ontology 420 further includes display 424, display
424 connect with 422 signal of master component, for showing information according to the control command of master component 422.
In the optional scheme of the present embodiment, further, ohmmeter ontology 420 further includes input module, input module
It connect, is used for and 422 human-computer interaction of master component with 422 signal of master component.
In the optional scheme of the present embodiment, further, input module include connect with 422 signal of master component by
Key 425.
Earthmeter smart host need not increase the earth resistance that auxiliary electrode completes grounding point, efficiently solve
To the measurement request of ground resistance under particular surroundings；And have communication function, it can be by communication component 423 grounding point
Test information be transferred to monitor terminal, enable monitor terminal real-time reception electrical verification indicator 200 electrical verification information, ground line this
The location information of body 100 and the ground resistance of ohmmeter ontology 420.
The intelligent network distribution grounding wire device key point that the embodiment of the utility model first aspect provides includes:
(1) the non-contact type electricity checking mode for using induction field intensity can when distribution line mounts temporary ground wire
Whether real-time monitoring route to be repaired charges.It avoids the occurrence of operating personnel's live connection of ground wire and causes casualties or equipment damage
Phenomenon.
(2) increase position location functionality, allow Dispatchers on duty that can intuitively judge whether ground line mounts in place, ground connection
The shaft tower number quantity that is consistent, and being grounded whether point installation site is implemented with work ticket safety measure.Avoid the occurrence of misplaced
Shaft tower phenomenon or switching on earth wire cause casualties or equipment damage.
(3) non-contact Among Several Measuring Methods of Earth Resistance is used, the earth resistance of grounding point is completed without increase auxiliary electrode,
Efficiently solve the measurement request under particular surroundings to ground resistance.Ground resistance is that an important technology of earthed system refers to
Mark is to measure earthed system validity, safety and the judgement whether satisfactory important parameter of earthed system.Ground resistance is surveyed
Examination can exclude the safety accident caused by imperfect earth.
The embodiment of the utility model second aspect provides a kind of intelligent network distribution ground connection measuring system (in figure not
Show), including monitor terminal, it further include the intelligent network distribution grounding wire device in any of the above-described embodiment, monitor terminal and intelligence
Earthmeter smart host signal connection in energy distribution grounding wire device.
The intelligent network distribution ground connection measuring system that the embodiment of the utility model second aspect provides is provided with this reality
The intelligent network distribution grounding wire device provided with the embodiment of novel first aspect, thus the reality with the utility model first aspect
All beneficial effects possessed by the intelligent network distribution grounding wire device of example offer are provided.
The intelligent network distribution grounding wire device of the utility model and intelligent network distribution ground connection measuring system are carried out above
Explanation, still, the utility model is not limited to above-mentioned specific embodiment, can without departing from the scope of the claims
To carry out various deformations or change.The various modifications and change that the utility model is included within the scope of the claims.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although utility model is described in detail referring to foregoing embodiments, those skilled in the art should be managed
Solution: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of skills
Art feature is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution the utility model
The range of each embodiment technical solution.
Claims (10)
1. a kind of intelligent network distribution grounding wire device characterized by comprising ground line ontology, electrical verification indicator, positioning component and
Earthmeter smart host；
The electrical verification indicator is installed on the ground line ontology, and connect with the earthmeter smart host signal, uses
In the current information on induction high-tension bus-bar and the current information is sent to the earthmeter smart host；
The positioning component is connect with the earthmeter smart host signal, for acquiring the position letter of the ground line ontology
Breath, and the location information is sent to the earthmeter smart host.
2. intelligent network distribution grounding wire device according to claim 1, which is characterized in that the electrical verification indicator includes electrical verification
Component, the electrical verification component includes test side and controller；
State of insulation is between the test side and the ground line ontology, the test side and the controller signals connect
It connects, the test side is used to detect the current information on high-tension bus-bar, and the current information is transferred to the controller；
The controller is connect with the earthmeter smart host signal, for the current information to be transferred to the ground connection
Measure smart host.
3. intelligent network distribution grounding wire device according to claim 2, which is characterized in that the electrical verification component further includes alarm
Device, the alarm are connected with the controller in a signal way., and the controller controls the alarm according to the current information
It opens and closes.
4. intelligent network distribution grounding wire device according to claim 3, which is characterized in that the alarm includes audible alarm
Device and/or photoelectric alarm；
The voice guard is connected with the controller in a signal way., and the controller controls the sound according to the current information
The opening and closing of alarm；
The photoelectric alarm is connected with the controller in a signal way., and the controller controls the photoelectricity according to the current information
The opening and closing of alarm.
5. intelligent network distribution grounding wire device according to claim 2, which is characterized in that the positioning component passes through the control
Device processed is connect with the earthmeter smart host signal, for the location information of the ground line ontology to be sent to described connect
Ground measures smart host.
6. intelligent network distribution grounding wire device according to claim 1, which is characterized in that the earthmeter smart host packet
Include ground column interconnecting piece and ohmmeter ontology；Described ground column interconnecting piece is connect with the ground line ontology by electric wire, is used for and ground
Column connection；The ohmmeter ontology is connect with described ground column interconnecting piece；The ohmmeter ontology includes resistance measurement component, master control
Component and communication component；Wherein:
The resistance measurement component is connected with the master component, is used for collection voltages information and current information, and will be described
Information of voltage and the current information are sent to the master component；The master component is for receiving the information of voltage and institute
Current information is stated, and resistance information is obtained according to the information of voltage and the current information；The master component passes through described
Communication component is connect with monitoring terminal by signal, for the resistance information to be sent to the monitor terminal.
7. intelligent network distribution grounding wire device according to claim 6, which is characterized in that the ohmmeter ontology further includes showing
Show that device, the display are connect with the master component signal, for showing information according to the control command of the master component.
8. intelligent network distribution grounding wire device according to claim 6, which is characterized in that the ohmmeter ontology further includes defeated
Enter component, the input module is connect with the master component signal, is used for and the master component human-computer interaction.
9. intelligent network distribution grounding wire device according to claim 8, which is characterized in that the input module include with it is described
The key of master component signal connection.
10. a kind of intelligent network distribution ground connection measuring system, including monitor terminal, which is characterized in that further include claim 1
To intelligent network distribution grounding wire device described in any one of 9, in the monitor terminal and the intelligent network distribution grounding wire device
The connection of earthmeter smart host signal.
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| CN201821075946.4U CN208443959U (en) | 2018-07-06 | 2018-07-06 | Intelligent distribution network grounding wire device and intelligent distribution network grounding wire grounding measurement system |
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| CN201821075946.4U CN208443959U (en) | 2018-07-06 | 2018-07-06 | Intelligent distribution network grounding wire device and intelligent distribution network grounding wire grounding measurement system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490316A (en) * | 2018-07-06 | 2018-09-04 | 广东电网有限责任公司 | Intelligent distribution network grounding wire device and intelligent distribution network grounding wire grounding measurement system |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490316A (en) * | 2018-07-06 | 2018-09-04 | 广东电网有限责任公司 | Intelligent distribution network grounding wire device and intelligent distribution network grounding wire grounding measurement system |
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