CN208297653U - Grounding integrated device and grounding detection system - Google Patents
Grounding integrated device and grounding detection system Download PDFInfo
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- CN208297653U CN208297653U CN201821076414.2U CN201821076414U CN208297653U CN 208297653 U CN208297653 U CN 208297653U CN 201821076414 U CN201821076414 U CN 201821076414U CN 208297653 U CN208297653 U CN 208297653U
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Abstract
The utility model provides a ground connection integrated device and ground connection detecting system relates to the technical field of electric power engineering equipment. The utility model provides a ground connection integrated device includes: the intelligent grounding measurement system comprises a wire hanging mechanism, a grounding wire, a ground column connecting mechanism and an intelligent grounding measurement host; the wire hanging mechanism is used for being connected with a wire to be tested, and the ground column connecting mechanism is used for being connected with the ground; one end of the grounding wire is connected with the wire hanging mechanism, and the other end of the grounding wire is connected with the ground column connecting mechanism; the intelligent grounding measurement host comprises a host shell, a resistance measurement assembly and a measurement jaw, wherein the resistance measurement assembly and the measurement jaw are arranged on the host shell; the grounding wire passes through the measuring jaw, and the intelligent grounding measurement intelligent host can measure the grounding resistance. Through the utility model provides a ground connection integrated device, it is big to have alleviated the operation degree of difficulty that the measurement to ground resistance exists among the prior art, wastes time and energy to there is great dangerous technical problem.
Description
Technical field
The utility model relates to the technical fields of power engineering equipment, more particularly, to a kind of ground connection integrating device and ground connection
Detection system.
Background technique
With the development of the social economy, network load increases substantially year by year, to ensure power supply reliability, electric network night maintenance
Workload also increase therewith；Ground line is the indispensable managing security tools and instruments of maintenance, is widely used in real work.Mounting is interim
Ground line is very universal link in electric system transformation and maintenance process, and ground line is one of peace for protecting service personnel
Full frame barrier is the lifeline of electrical employee.Electrical verification and ground connection are the technical measures of line outage maintenance, are to be related to safety in production
The safeguard of the person and equipment safety.For operator whether there is or not correct electrical verification, whether the quality of electrical verification is qualified, if carries out " secondary "
It checks on；In place whether ground connection, if be mounted on conductor insulation sheath, or ground line moving contact whether fix in position the problems such as, it is existing
Ground guardian can not short distance intuitive judgment operation whether in place.Above-mentioned these problems cause electrical verification it is not in place, ground connection not
Security incident caused by " false electrical verification " " virtual earth " in place often occurs, and is the safety related technical problems that must pay attention to.By
It is insufficient in night repairing lighting, in addition service personnel is tired, awareness of safety decline, service personnel is caused to misunderstand and leak dismounting ground wire
The case where happen occasionally, there are the larger possible serious accident that line power transmission with ground occurs, security risk is high.
In route maintenance engineering field, ground resistance is an important technology index of earthed system, is to measure ground connection
System effectiveness, safety and the judgement whether satisfactory important parameter of earthed system.Therefore, temporary ground wire is being mounted
Afterwards, the ground resistance for measuring grounding point is particularly important, can exclude the safety accident caused by imperfect earth.It is surveyed in ground resistance
During amount, earthing detection equipment can be used, as earth resistance tester or earth resistance meter carry out measurement of Grounding Resistance.Three
Electrode method is traditional method of Testing Earth-Contact Resistance, and when test has to squeeze into two auxiliary electrodes for having relative position to require.
But with the development of urbanization, surface is covered by cement mostly, and the difficulty for being tested searching soil around grounding body is larger；Separately
Outside, the relative position of auxiliary electrode is also required when beating auxiliary electrode.Therefore traditional method of Testing Earth-Contact Resistance is in reality
It is again and again limited in detection process, have been unable to meet the requirement of earth resistance.Therefore, in the prior art to the survey of ground resistance
That there are operation difficulties is big for amount, time-consuming and laborious, and there is technical issues that larger.
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 ground connection integrating device and ground detecting systems, to alleviate the prior art
In operation difficulty present in measurement to ground resistance it is big, it is time-consuming and laborious, and there is technical issues that larger.
The utility model first aspect provides a kind of ground connection integrating device, ground connection integrating device packet provided by the utility model
It includes: line suspension mechanism, earth lead, Di Zhu bindiny mechanism and smart grounding measurement smart host；Line suspension mechanism with to be measured for leading
Line connection, Di Zhu bindiny mechanism are used to connect with the earth；One end of earth lead is connect with line suspension mechanism, and the other end and ground column connect
Connection mechanism connection；Smart grounding measurement smart host includes host shell, resistance measurement component and measurement jaw, resistance measurement group
Part and measurement jaw are all set in host shell；Earth lead is passed through from measurement jaw, and smart grounding measures smart host can
Measurement of Grounding Resistance.
Further, Di Zhu bindiny mechanism includes fixed coupler body and movable locking member；One end of earth lead and stay hook
Body connection；Movable locking member is connected to fixed coupler body, can be mobile relative to fixed coupler body, close to fixed coupler body.
Further, movable locking member includes movable plate and rotational handle；Movable plate is slidably connected to fixed coupler body；Rotation
Handle threads are connected to fixed coupler body, and one end is connect with movable plate, and movable plate can be pushed relative to fixed coupler body translation.
Further, host shell is connected to fixed coupler body.
Further, resistance measurement component includes electric current induction coil, voltage induced coil, current processing circuits, voltage
Processing circuit and processing chip；Electric current induction coil is connect by current processing circuits with processing chip, and voltage induced coil is logical
Overvoltage processing circuit is connect with processing chip；Electric current induction coil and voltage induced coil are all set in measurement jaw.
Further, smart grounding measurement smart host further includes display screen, and display screen is fixedly installed in host shell, and
And display screen is electrically connected with processing chip.
Further, smart grounding measurement smart host further includes communication module, and communication module includes sim card slot and installation
In the SIM card of sim card slot.
Further, smart grounding measurement smart host further includes function control key, and function control key includes electric current
Key and resistance detection key are detected, current detecting key and resistance detection key are connect with processing chip respectively.
Further, line suspension mechanism includes ground connection bar and wire hook；Wire hook is connected to one end of ground connection bar,
And conducting wire to be measured can be mounted on；Earth lead is connect with wire hook.
The utility model second aspect provides a kind of ground detecting system, ground detecting system packet provided by the utility model
It includes: monitor terminal and above-mentioned ground connection integrating device；Smart grounding measurement intelligence in monitor terminal and ground connection integrating device is main
The connection of machine signal.
Ground connection integrating device and ground detecting system provided by the utility model are related to the technology neck of power engineering equipment
Domain.Ground connection integrating device provided by the utility model includes: line suspension mechanism, earth lead, Di Zhu bindiny mechanism and smart grounding
Measure smart host；For connecting with conducting wire to be measured, Di Zhu bindiny mechanism is used to connect with the earth line suspension mechanism；Earth lead
One end is connect with line suspension mechanism, and the other end is connect with Di Zhu bindiny mechanism；Smart grounding measurement smart host include host shell,
Resistance measurement component and measurement jaw, resistance measurement component and measurement jaw are all set in host shell；Earth lead is from measurement
It is passed through in jaw, smart grounding, which measures smart host, can measure ground resistance.It is practical new using this in the line maintenance of power grid
The ground connection integrating device that type provides is grounded conducting wire to be measured, and line suspension mechanism may be connected on conducting wire to be measured, and ground column connects machine
Structure may be connected on ground column, and be connected between line suspension mechanism and Di Zhu bindiny mechanism by earth lead.In this way, achieving that
To the ground connection of conducting wire to be measured.
In ground connection integrating device provided by the utility model, measurement pincers of the earth lead from smart grounding measurement smart host
It is passed through in mouthful；After conducting wire to be measured is grounded by line suspension mechanism, earth lead and Di Zhu bindiny mechanism, resistance measurement component
Ground resistance can be measured, obtain the real time resistance value of ground connection.In this way, improving the efficiency of measurement ground resistance, and make
It obtains when carrying out ground connection operation, ground resistance can be measured in time, intuitively judge whether ground line mounts convenient for operator
In place, to be adjusted to ground connection, reduction imperfect earth and so on, so that ground connection is relatively reliable, improve power grid inspection
The safety for repairing maintenance, it is big to alleviate operation difficulty present in the measurement to ground resistance in the prior art, time-consuming and laborious, and
And there is technical issues that larger.
Possessed advantage is identical compared with the existing technology with above-mentioned ground connection integrating device for the ground detecting system,
Details are not described herein.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, be cited below particularly the utility model compared with
Good embodiment, and cooperate appended attached drawing, it is described below in detail.
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 ground connection integrating device provided by the embodiment of the utility model；
Fig. 2 is that the structure that smart grounding measures smart host in ground connection integrating device provided by the embodiment of the utility model is shown
It is intended to；
Fig. 3 is the partial enlarged view in Fig. 1 at A；
Fig. 4 is the work original that smart grounding measures smart host in ground connection integrating device provided by the embodiment of the utility model
Manage schematic diagram.
Icon: 01- smart grounding measures smart host；011- measures jaw；012- resistance measurement component；02- column connect
Connection mechanism；021- fixes coupler body；022- movable plate；03- earth lead；04- wire hook.
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.
The utility model first aspect provides a kind of ground connection integrating device, please refers to Fig. 1, ground connection provided by the utility model
Integrating device includes: line suspension mechanism, earth lead 03, Di Zhu bindiny mechanism 02 and smart grounding measurement smart host 01；Line is hung
For connecting with conducting wire to be measured, Di Zhu bindiny mechanism 02 is used to connect with the earth for mechanism；One end of earth lead 03 and line on-hook
Structure connection, the other end are connect with Di Zhu bindiny mechanism 02；It includes host shell, resistance measurement that smart grounding, which measures smart host 01,
Component 012 and measurement jaw 011, resistance measurement component 012 and measurement jaw 011 are all set in host shell；Earth lead 03
It is passed through from measurement jaw 011, smart grounding measurement smart host 01 can measure ground resistance.
Specifically, in the line maintenance of power grid, using ground connection integrating device provided by the utility model to conducting wire to be measured
It is grounded, line suspension mechanism may be connected on conducting wire to be measured, and Di Zhu bindiny mechanism 02 may be connected on ground column, and line suspension mechanism
It is connected between Di Zhu bindiny mechanism 02 by earth lead 03.In this way, having achieved that the ground connection to conducting wire to be measured.
In ground connection integrating device provided by the utility model, survey of the earth lead 03 from smart grounding measurement smart host 01
It is passed through in amount jaw 011；After conducting wire to be measured is grounded by line suspension mechanism, earth lead 03 and Di Zhu bindiny mechanism 02,
Resistance measurement component 012 can measure ground resistance, obtain the real time resistance value of ground connection.In this way, improving measurement ground electricity
The efficiency of resistance, and to measure ground resistance in time when carrying out ground connection operation, intuitively judge convenient for operator
Whether ground line mounts in place, so that ground connection is adjusted, reduction imperfect earth and so on, so that ground connection more may be used
It leans on, improves the safety of grid maintenance maintenance.
Specifically, earth lead 03 is wrapped with insulating layer, to improve operational safety.
In some embodiments, handle is provided on host shell, the side on handle is provided with and measurement 011 phase of jaw
Even to control the clamp handle that measurement jaw 011 opens and closes, in order to which earth lead 03 is sent into measurement jaw 011.
Further, Di Zhu bindiny mechanism 02 includes fixed coupler body 021 and movable locking member；One end of earth lead 03 with
Fixed coupler body 021 connects；Movable locking member is connected to fixed coupler body 021, can be mobile relative to fixed coupler body 021, close to solid
Determine coupler body 021.
Specifically, ground column can be put between fixed coupler body 021 and movable locking member, and driving activity locking member is to fixed coupler body
021 movement, ground column is compressed, may make fixed coupler body 021 and ground column be completely embedded, make earth lead 03 by ground column with greatly
Ground connection, improves the stability of ground connection.
Further, movable locking member includes movable plate 022 and rotational handle；Movable plate 022 is slidably connected to stay hook
Body 021；Rotational handle is threadedly connected to fixed coupler body 021, and one end is connect with movable plate 022, can push 022 phase of movable plate
Fixed coupler body 021 is translated.
Specifically, rotational handle rotation is driven relative to fixed coupler body 021, can makes rotational handle that movable plate 022 be pushed to transport
It is dynamic, so that column generates biggish pressing force to movable plate 022 over the ground, the reliability and manually operated portability of connection are improved, is dropped
The working strength of low operator.
In some embodiments, rotational handle is provided with insulation sleeve far from the end of movable plate 022, in order to operator
Operation, improves the safety of operation.
In some embodiments, the side of the junction of ground column, movable plate 022 towards fixed coupler body 021 is provided with first
Groove, the side of fixed coupler body 021 towards movable plate 022 are provided with the second groove, the first groove and the second groove respectively with ground
Column cooperation can increase the size with the mating surface of ground column, so that connection is more firm, and provide earthing effect.
Further, host shell is connected to fixed coupler body 021.
Specifically, referring to figure 2. and Fig. 3, host shell is connected to the side that fixed coupler body 021 deviates from movable plate 022；It is main
Casing body, which is adopted, to be made from an insulative material, so that smart grounding measurement smart host 01 and Di Zhu bindiny mechanism 02 form integrated knot
Structure.In this way, can rapidly measure, improve to ground resistance after being connected to Di Zhu bindiny mechanism 02 on ground column
Measurement efficiency additionally improves the portability of ground connection integrating device provided by the embodiment of the utility model.
Further, resistance measurement component 012 includes electric current induction coil, voltage induced coil, current processing circuits, electricity
Press processing circuit and processing chip；Electric current induction coil is connect by current processing circuits with processing chip, voltage induced coil
It is connect by voltage processing circuitry with processing chip；Electric current induction coil and voltage induced coil are all set in measurement jaw 011.
Specifically, referring to figure 4., smart grounding measurement smart host 01 is realized non-contact to ground connection electricity using two-coil method
The measurement of resistance.Processing chip is filtered and power amplification for generating pulse excitation signal by voltage processing circuitry
After be loaded on voltage induced coil.Pulse potential is induced on earth-return circuit at this time, the electric current under the action of pulse potential
Induction coil generates induced current, which amplifies by current processing circuits, is transmitted to processing chip after filtering；In addition
Voltage induced coil can acquire pulse potential, and be transmitted to processing chip after voltage processing circuitry partial pressure, sampling.Processing
Chip calculates to obtain ground resistance according to pulse potential and induced current.
RxFor ground resistance to be measured, RearthFor ground resistance, R1…RnFor n ground resistance in parallel, then it is total to be tested circuit
Resistance are as follows:
Rloop=Rx+Rearth+(R1//...//Rn)
Due to RearthAnd R1…RnParallel value it is all very small, it can thus be assumed that tested loop resistance Rloop≈Rx。
In NtCircle pumping signal coil-end applies the alternating message source e for being not used in power frequency (such as 1kHz)0, become according to ideal
Depressor principle, e0Pass through coil NtOne is induced therewith with the alternating voltage e of frequency in tested single turn earth-return circuit1, and are as follows:
In NrThe tested electric current of generation is incuded in circle electric current detecting coil are as follows:
i1=i2Nr
Therefore, loop circuit RloopThat is RxIt can be in the hope of that is, are as follows:
Further, smart grounding measurement smart host 01 further includes display screen, and display screen is fixedly installed in host shell,
And display screen is electrically connected with processing chip.
Specifically, after processing chip calculates ground resistance, grounding resistance is shown by display screen.
Further, smart grounding measurement smart host 01 further includes communication module, and communication module includes sim card slot and peace
SIM card loaded on sim card slot.
Specifically, communication module is connect with processing chip.In order to guarantee that data orient errorless transmission, communication module includes
SIM card SIM (Subscriber Identity Module, client identification module) card slot and be mounted at sim card slot, thus
SIM card can be utilized by handling chip, be will test result by mobile network and oriented teletransmission to power control center, avoid the occurrence of
Situations such as misplaced shaft tower and grounding point installation site mistake, while power control center Dispatchers on duty can intuitively be judged to connect
Whether ground wire mounts in place.
Further, smart grounding measurement smart host 01 further includes function control key, and function control key includes electricity
Stream detection key and resistance detection key, current detecting key and resistance detection key are connect with processing chip respectively.
Specifically, operator carries out electric current and ground connection electricity is calculated and be shown by current detecting key, control processing chip
Stream；Operator carries out resistance calculations and shows ground resistance by resistance detection key, control processing chip.
Further, line suspension mechanism includes ground connection bar and wire hook 04；Wire hook 04 is connected to ground connection bar
One end, and conducting wire to be measured can be mounted on；Earth lead 03 is connect with wire hook 04.
Specifically, Fig. 1 is please referred to, wire hook 04 is mounted on conducting wire to be measured, so that wire hook 04 and conducting wire to be measured are good
Good connection.It is grounded bar and the end of wire hook 04 is provided with insulation division, operator's hand-held can be convenient for, improve behaviour
Make efficiency and safety.
The utility model second aspect provides a kind of ground detecting system, ground detecting system packet provided by the utility model
It includes: monitor terminal and above-mentioned ground connection integrating device；Smart grounding measurement intelligence in monitor terminal and ground connection integrating device is main
The connection of 01 signal of machine.
Specifically, monitor terminal can measure communication module and smart grounding measurement in smart host 01 by smart grounding
The connection of 01 signal of smart host.
Existing situation is the requirement of phone to be dispatched according to work ticket or repair, to operator in distribution transformation, maintenance
It assigns Operation switch, close grounding switch or the order of mounting temporary ground wire etc., operator fill in operation according to instruction
Ticket completes operation reporting scheduling.After operating personnel is connected to the instruction that scheduling can work, mounted according to construction site working condition
Ground wire, and start the operation on route or equipment, after the completion of operation, after removing all safety measures, report power scheduling, electric power
Dispatch the power supply of power transmission recovery system.What is relied primarily in this operation process is work ticket system and on-site personnel to peace
The level of enforcement of full regulation.
Ground detecting system provided by the embodiment of the utility model, dispatcher are hung by monitor terminal intuitive judgment ground line
Position and quantity are connect, the behaviors such as misplaced shaft tower and switching on earth wire can be prevented in time, avoids casualties or equipment damage
It is bad.
Finally, it should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment
What is stressed is all differences from other embodiments, and same and similar part cross-reference is between each embodiment
It can；The above various embodiments is only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned each implementation
The utility model is described in detail in example, those skilled in the art should understand that: it still can be to aforementioned
Technical solution documented by each embodiment is modified, or equivalent substitution of some or all of the technical features；
And these are modified or replaceed, the model for various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (10)
1. a kind of ground connection integrating device characterized by comprising line suspension mechanism, earth lead, Di Zhu bindiny mechanism and intelligence connect
Ground measures smart host；
For connecting with conducting wire to be measured, the Di Zhu bindiny mechanism is used to connect with the earth the line suspension mechanism；The ground connection is led
One end of line is connect with the line suspension mechanism, and the other end is connect with the Di Zhu bindiny mechanism；
The smart grounding measurement smart host includes host shell, resistance measurement component and measurement jaw, the resistance measurement
Component and the measurement jaw are all set in the host shell；
The earth lead is passed through from the measurement jaw, and the smart grounding measurement smart host can measure ground resistance.
2. ground connection integrating device according to claim 1, which is characterized in that the Di Zhu bindiny mechanism includes fixed coupler body
With movable locking member；One end of the earth lead is connect with the fixed coupler body；
The activity locking member is connected to the fixed coupler body, can be mobile relative to the fixed coupler body, close to the fixation
Coupler body.
3. ground connection integrating device according to claim 2, which is characterized in that the activity locking member includes movable plate and turns
Fixed handle；The movable plate is slidably connected to the fixed coupler body；
The rotational handle is threadedly connected to the fixed coupler body, and one end is connect with the movable plate, can push the work
Movable plate is translated relative to the fixed coupler body.
4. ground connection integrating device according to claim 2, which is characterized in that the host shell is connected to the stay hook
Body.
5. ground connection integrating device according to claim 1, which is characterized in that the resistance measurement component includes electric current induction
Coil, voltage induced coil, current processing circuits, voltage processing circuitry and processing chip；Electric current induction coil passes through at electric current
Reason circuit is connect with processing chip, and voltage induced coil is connect by voltage processing circuitry with processing chip；
The electric current induction coil and the voltage induced coil are all set in the measurement jaw.
6. ground connection integrating device according to claim 5, which is characterized in that the smart grounding measurement smart host also wraps
Display screen is included, the display screen is fixedly installed in the host shell, and the display screen is electrically connected with the processing chip.
7. ground connection integrating device according to claim 5, which is characterized in that the smart grounding measurement smart host also wraps
Communication module is included, the communication module includes sim card slot and the SIM card for being installed on the sim card slot.
8. ground connection integrating device according to claim 5, which is characterized in that the smart grounding measurement smart host also wraps
Function control key is included, the function control key includes current detecting key and resistance detection key, and the current detecting is pressed
Key and the resistance detection key are connect with processing chip respectively.
9. ground connection integrating device according to claim 1, which is characterized in that the line suspension mechanism includes ground connection bar and leads
Line hook；The wire hook is connected to one end of the ground connection bar, and can be mounted on the conducting wire to be measured；The ground connection
Conducting wire is connect with the wire hook.
10. a kind of ground detecting system characterized by comprising monitor terminal and connect as claim 1-9 is described in any item
Ground integrating device；The monitor terminal is connect with the smart grounding measurement smart host signal in the ground connection integrating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821076414.2U CN208297653U (en) | 2018-07-06 | 2018-07-06 | Grounding integrated device and grounding detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821076414.2U CN208297653U (en) | 2018-07-06 | 2018-07-06 | Grounding integrated device and grounding detection system |
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| Publication Number | Publication Date |
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| CN208297653U true CN208297653U (en) | 2018-12-28 |
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| CN201821076414.2U Active CN208297653U (en) | 2018-07-06 | 2018-07-06 | Grounding integrated device and grounding detection system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490307A (en) * | 2018-07-06 | 2018-09-04 | 广东电网有限责任公司 | Grounding integrated device and grounding detection system |
| CN113917365A (en) * | 2021-10-26 | 2022-01-11 | 国网河南省电力公司濮阳供电公司 | Multifunctional intelligent grounding wire system and use method thereof |
-
2018
- 2018-07-06 CN CN201821076414.2U patent/CN208297653U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490307A (en) * | 2018-07-06 | 2018-09-04 | 广东电网有限责任公司 | Grounding integrated device and grounding detection system |
| CN113917365A (en) * | 2021-10-26 | 2022-01-11 | 国网河南省电力公司濮阳供电公司 | Multifunctional intelligent grounding wire system and use method thereof |
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