CN105652098A - Ground resistance detection and analysis system adopting solar energy to supply power - Google Patents
Ground resistance detection and analysis system adopting solar energy to supply power Download PDFInfo
- Publication number
- CN105652098A CN105652098A CN201511029824.2A CN201511029824A CN105652098A CN 105652098 A CN105652098 A CN 105652098A CN 201511029824 A CN201511029824 A CN 201511029824A CN 105652098 A CN105652098 A CN 105652098A
- Authority
- CN
- China
- Prior art keywords
- detector
- power supply
- connects
- earth
- bus
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/20—Measuring earth resistance; Measuring contact resistance, e.g. of earth connections, e.g. plates
- G01R27/205—Measuring contact resistance of connections, e.g. of earth connections
Abstract
The invention discloses a ground resistance detection and analysis system adopting solar energy to supply power. The ground resistance detection and analysis system is mainly composed of a detector, a communication circuit, a transmission circuit, a power supply and an earth screen, wherein the transmission circuit is connected with the communication circuit through a bus; the communication circuit is connected with the detector through a bus; the detector is connected with the earth screen; the power supply is connected with the detector; the power supply comprises a solar cell panel, a controller and a power supply circuit; the solar cell panel is connected with the controller; the controller is connected with the power supply circuit; and the power supply circuit is connected with the detector. When a ground resistance value is detected, a solar energy power supply manner is used for supplying power to equipment to be powered in the system, so that environmentally-friendly utilization of energy sources is realized; the equipment to be powered of the detection and analysis system is cleaned and powered, so that damages to the resources are reduced and the utilization of non-renewable resources is reduced; and the whole system has a scientific design, is convenient to use and has a two-graded linkage function.
Description
Technical field
The present invention relates to the field such as power technology, earth resistance (connecing Low ESR) technology, specifically, be a kind of adopt solar powered insulating resistance measuring to analyze system.
Background technology
Earth resistance is that electric current is flowed into the earth then through greatly flowing to another grounding body or distally spreading the resistance run into by grounding device. Grounding resistance embody electric device with " " good degree that contacts and reflect the scale of grounded screen.
The especially big electrical equipment of a lot of household electrical appliance is as refrigerator, washing machine, and the power line that air-conditioning etc. uses is all three cores. As long as the electrical equipment actually using general civil power has zero line and the live wire two just can normal operation. This root line additional is exactly ground wire, say, that these electrical equipment have to ground connection.
The introducing of grounding technology is the protective measure taked to prevent from electrically or electronically waiting equipment to be struck by lightning at first, it is therefore an objective to the thunder-strike current that thunder and lightning is produced is incorporated into the earth by discharging rod, thus playing the effect of protection building. Simultaneously; ground connection is also a kind of effective means of protection personal safety; the phase line caused when certain reason is (as wire insulation is bad; aging circuit etc.) and when device housings touches; the shell of equipment will produce by dangerous voltage; the electric current thus generated will through protection ground wire to greatly, thus playing personal safety protective effect.
Earth resistance is just used to weigh the important parameter whether ground state is good, it is that electric current is flowed into the earth then through greatly flowing to another grounding body or distally spreading the resistance run into by grounding device, it includes the contact resistance between earth lead and the resistance of grounding body itself, grounding body and the resistance of the earth, and between two grounding bodies the resistance of the earth or grounding body to the ground resistance of unlimited distance. Earth resistance size directly represent electric device with " " good degree that contacts, also reflects the scale of grounded screen. The concept of earth resistance is only applicable to small-sized grounded screen; Along with the reduction of the increasing of grounded screen floor space and soil resistivity, in impedance ground, the effect of perceptual weight is increasing, and large ground network should adopt impedance ground to design.
For high pressure and EHV Substation, it should replace " earth resistance " by the concept of " impedance ground ", suggestion code adopts touch voltage and step voltage as safety criterion simultaneously; Also should select correct result light, the impedance ground of different-frequency measure system acquisition accurately, to ensure the safety of the person, equipment, be beneficial to the safe operation of power system.
Summary of the invention
It is an object of the invention to design and a kind of adopt solar powered insulating resistance measuring to analyze system, when carrying out grounding resistance detection, adopt solar powered mode that intrasystem equipment to be powered is powered, reach environmental protection and utilize the energy, the equipment to be powered of testing and analysis system is cleaned power supply, reduces resource and damage, reduce the utilization of non-renewable resources, whole system has design science, easy to use, the function of two-stage linkage.
The present invention is achieved through the following technical solutions: a kind of adopt solar powered insulating resistance measuring to analyze system, mainly it is made up of detector, communicating circuit, radiating circuit, power supply and earth mat, it is connected by bus between described radiating circuit and communicating circuit, it is connected by bus between described communicating circuit and detector, described detector connects earth mat, and described power supply connects detector, described earth mat includes electrical network A and earth mat B, one earth terminal of described detector connects electrical network A by cable and movable joint equipment, another earth terminal of described detector is by one end of cable and movable joint equipment link ceases to be busy, the other end of described aerial line connects earth mat B by the grounded lead-in wire of movable joint equipment, described power supply includes solar panel, controller and power supply circuits, described solar panel connects controller, described controller connects power supply circuits, described power supply circuits connect detector, when carrying out grounding resistance detection, adopt solar powered mode that intrasystem equipment to be powered is powered, reach environmental protection and utilize the energy, the equipment to be powered of testing and analysis system is cleaned power supply, reduce resource to damage, reduce the utilization of non-renewable resources, whole system has design science, easy to use, the function of two-stage linkage.
Further, to better implement the present invention, it is possible to make the plentiful electricity that solar energy is sent out be stored, it is simple to night or the inadequate weather of intensity of sunshine still can carry out proper testing, particularly being provided with following structure: be additionally provided with accumulator in described power supply, described accumulator connects controller.
Further, to better implement the present invention, the resistance making the surveyed earth resistance of detector (connecing Low ESR) can mail to overall control center timely, there is provided decision-making foundation to overall control center, be provided with following structure especially: described radiating circuit adopts the wireless network radiating circuit based on GPRS network or 3G network or 4G network.
Further, to better implement the present invention, it is possible to make the grounding resistance that other earth points detect also mail to the overall control center data foundation as decision-making, particularly be provided with following structure: described communicating circuit is also associated with other earth points.
Further, to better implement the present invention so that the connection between detector and electrical network A is convenient, and detected value is more stable, following structure it is provided with especially: the detector movable joint equipment adopted that is connected with electrical network A is at least one.
Further, to better implement the present invention, make data communication between communicating circuit and detector tens on km distance under without being suppressed, signal weaker or loss, also allow for connection between the two simultaneously, be set to following structure especially: the bus being connected between communicating circuit with detector adopts RS485 bus.
Further, to better implement the present invention, the data communication between communicating circuit and radiating circuit can adopt serial transmission mode to be transmitted, and is set to following structure especially: the bus being connected between radiating circuit with communicating circuit adopts RS232 bus.
Further, to better implement the present invention, the connection between detector and aerial line is more firm, and testing result is more true, is particularly configured to following structure: another earth terminal of detector is at least 2 with the connected movable joint equipment adopted of aerial line.
Further, to better implement the present invention, adopt non-cpntact measurement, ground wire punching by, carry out earth resistance (connecing Low ESR) without the mode of self-inspection, in real time detection, remotely monitoring and detect, and realize the on-line checking of high stability, high reliability, adopt following structure especially: described detector adopts non-contact grounding resistance on-line detector.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) present invention is when carrying out grounding resistance detection, adopt solar powered mode that intrasystem equipment to be powered is powered, reach environmental protection and utilize the energy, the equipment to be powered of testing and analysis system is cleaned power supply, reduce resource to damage, reducing the utilization of non-renewable resources, whole system has design science, easy to use, the function of two-stage linkage.
(2) present invention builds a kind of earth resistance (impedance ground) and tests system, earth resistance (connecing Low ESR) is tested, and timely surveyed resistance is sent to overall control center, to facilitate overall control center to determine, whether the grounding resistance of institute monitoring point is qualified, the situation avoiding the occurrence of imperfect earth occurs, and then avoids the occurrence of the generation of life security accident.
(3) present invention is according to actual needs, different communication protocol mode is adopted to carry out data transmission between radiating circuit, communicating circuit and detector, the purpose that stable, effective, data are not lost can be reached, remote grounding resistance collection can be completed simultaneously.
(4) present invention adopt can non-cpntact measurement, ground wire punching by, carry out, without self-inspection, in real time detection, the mode remotely monitored, the non-contact grounding resistance on-line detector that earth resistance (connecing Low ESR) detects, it may be achieved high stability, high reliability on-line checking.
(5) use of accumulator of the present invention, can meet the weather night or intensity of sunshine are inadequate and still can carry out proper testing.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, the accompanying drawing used required in embodiment will be briefly described below, it is to be understood that, the following drawings illustrate only certain embodiments of the present invention, therefore the restriction to scope it is not construed as, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other relevant accompanying drawings according to these accompanying drawings.
Fig. 1 is the structured flowchart of the present invention.
Fig. 2 is power principle block diagram of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1:
As shown in Figure 1, a kind of solar powered insulating resistance measuring is adopted to analyze system, as shown in Figure 1, 2, concrete technical scheme is as follows: be mainly made up of detector, communicating circuit, radiating circuit, power supply and earth mat, it is connected by bus between described radiating circuit and communicating circuit, being connected by bus between described communicating circuit and detector, described detector connects earth mat, and described power supply connects detector; Described earth mat includes electrical network A and earth mat B, one earth terminal of described detector connects electrical network A by cable and movable joint equipment, another earth terminal of described detector is by one end of cable and movable joint equipment link ceases to be busy, the other end of described aerial line connects earth mat B by the grounded lead-in wire of movable joint equipment, described power supply includes solar panel, controller and power supply circuits, described solar panel connects controller, described controller connects power supply circuits, and described power supply circuits connect detector.
Movable joint equipment, for a kind of wiring unit facilitated between line and line or equipment and line.
In use, when gymnasium illumination is very strong, solar panel converts the solar into direct current energy, and by the voltage stabilizing change-over circuit in controller, change and voltage stabilizing be the D/C voltage required for detector, and after in power supply circuits justice to detector, make detector normal operation, overall control center sends detection signal, the circuit path that accepts set in emitted circuit accepts and resolves, resolve the data generated by by the bus transfer between radiating circuit and communicating circuit to communicating circuit, the information gathering the grounding resistance of certain node is sent on the detector at this node place by connection with the bus on detector after making analysis further by communicating circuit, the grounding resistance of this node is tested and generates data back to communicating circuit by the detector at this node place in real time, communicating circuit is back to radiating circuit, radiating circuit sends to overall control center through the sendaisle set by inside, overall control center will according to acquired results, do corresponding decision-making, when carrying out grounding resistance detection, adopt solar powered mode that intrasystem equipment to be powered is powered, reach environmental protection and utilize the energy, the equipment to be powered of testing and analysis system is cleaned power supply, reduce resource to damage, reduce the utilization of non-renewable resources, whole system has design science, easy to use, the function of two-stage linkage, build a kind of earth resistance (impedance ground) and test system, utilize the technical approach automatically gathered that earth resistance (connecing Low ESR) is tested, and timely surveyed resistance is sent to overall control center, to facilitate overall control center to determine, whether the grounding resistance of institute monitoring point is qualified, the situation avoiding the occurrence of imperfect earth occurs, and then avoid the occurrence of the generation of life security accident, whole system has design science, easy to use, the function of two-stage linkage.
Embodiment 2:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further, to better implement the present invention, the plentiful electricity that solar energy is sent out can be made to be stored, it is easy to night or the inadequate weather of intensity of sunshine still can carry out proper testing, it particularly is provided with following structure, such as Fig. 1, shown in 2, it is provided with following structure especially: main by detector, communicating circuit, radiating circuit, power supply and earth mat composition, it is connected by bus between described radiating circuit and communicating circuit, it is connected by bus between described communicating circuit and detector, described detector connects earth mat, described power supply connects detector, described earth mat includes electrical network A and earth mat B, one earth terminal of described detector connects electrical network A by cable and movable joint equipment, another earth terminal of described detector is by one end of cable and movable joint equipment link ceases to be busy, the other end of described aerial line connects earth mat B by the grounded lead-in wire of movable joint equipment, described power supply includes solar panel, controller and power supply circuits, described solar panel connects controller, described controller connects power supply circuits, described power supply circuits connect detector, it is additionally provided with accumulator in described power supply, described accumulator connects controller, the produced rich electric energy of solar panel will be transferred in accumulator by controller and carry out accumulation of energy, when illuminance makes solar panel generate electricity not or during night, the electric energy of accumulator energy will by controller Inverted Output, and D/C voltage required for voltage stabilizing is detector powering to detector through power supply circuits, detector is made to carry out normal operation.
Embodiment 3:
The present embodiment is at the enterprising one-step optimization in the basis of embodiment 1, further, to better implement the present invention, the resistance making the surveyed earth resistance of detector (connecing Low ESR) can mail to overall control center timely, decision-making foundation is provided to overall control center, such as Fig. 1, shown in 2, it is provided with following structure especially: main by detector, communicating circuit, radiating circuit, power supply and earth mat composition, it is connected by bus between described radiating circuit and communicating circuit, it is connected by bus between described communicating circuit and detector, described detector connects earth mat, described power supply connects detector, described earth mat includes electrical network A and earth mat B, one earth terminal of described detector connects electrical network A by cable and movable joint equipment, another earth terminal of described detector is by one end of cable and movable joint equipment link ceases to be busy, the other end of described aerial line connects earth mat B by the grounded lead-in wire of movable joint equipment, described power supply includes solar panel, controller and power supply circuits, described solar panel connects controller, described controller connects power supply circuits, described power supply circuits connect detector, described radiating circuit adopts the wireless network radiating circuit based on GPRS network or 3G network or 4G network.
Embodiment 4:
The present embodiment is at the enterprising one-step optimization in the basis of embodiment 1, further, to better implement the present invention, the grounding resistance that other earth points detect can be made also to mail to the overall control center data foundation as decision-making, as shown in Figure 1, 2, it particularly is provided with following structure: be mainly made up of detector, communicating circuit, radiating circuit, power supply and earth mat, it is connected by bus between described radiating circuit and communicating circuit, it is connected by bus between described communicating circuit and detector, described detector connects earth mat, and described power supply connects detector; Described earth mat includes electrical network A and earth mat B, one earth terminal of described detector connects electrical network A by cable and movable joint equipment, another earth terminal of described detector is by one end of cable and movable joint equipment link ceases to be busy, the other end of described aerial line connects earth mat B by the grounded lead-in wire of movable joint equipment, described power supply includes solar panel, controller and power supply circuits, described solar panel connects controller, described controller connects power supply circuits, described power supply circuits connect detector, and described communicating circuit is also associated with other earth points.
Embodiment 5:
The present embodiment is at the enterprising one-step optimization in the basis of embodiment 1, further, to better implement the present invention, make the connection between detector and electrical network A convenient, detected value is more stable, as shown in Figure 1, 2, it is provided with following structure especially: be mainly made up of detector, communicating circuit, radiating circuit, power supply and earth mat, it is connected by bus between described radiating circuit and communicating circuit, it is connected by bus between described communicating circuit and detector, described detector connects earth mat, and described power supply connects detector, described earth mat includes electrical network A and earth mat B, one earth terminal of described detector connects electrical network A by cable and movable joint equipment, another earth terminal of described detector is by one end of cable and movable joint equipment link ceases to be busy, the other end of described aerial line connects earth mat B by the grounded lead-in wire of movable joint equipment, described power supply includes solar panel, controller and power supply circuits, described solar panel connects controller, described controller connects power supply circuits, described power supply circuits connect detector, the detector movable joint equipment adopted that is connected with electrical network A is at least one.
Embodiment 6:
The present embodiment is at the enterprising one-step optimization in the basis of embodiment 1, further, to better implement the present invention, make data communication between communicating circuit and detector tens on km distance under without being suppressed, signal weaker or loss, also allow for connection between the two simultaneously, such as Fig. 1, shown in 2, it is set to following structure especially: main by detector, communicating circuit, radiating circuit, power supply and earth mat composition, it is connected by bus between described radiating circuit and communicating circuit, it is connected by bus between described communicating circuit and detector, described detector connects earth mat, described power supply connects detector, described earth mat includes electrical network A and earth mat B, one earth terminal of described detector connects electrical network A by cable and movable joint equipment, another earth terminal of described detector is by one end of cable and movable joint equipment link ceases to be busy, the other end of described aerial line connects earth mat B by the grounded lead-in wire of movable joint equipment, described power supply includes solar panel, controller and power supply circuits, described solar panel connects controller, described controller connects power supply circuits, described power supply circuits connect detector, the bus being connected between communicating circuit with detector adopts RS485 bus.
Embodiment 7:
The present embodiment is at the enterprising one-step optimization in the basis of embodiment 1, further, to better implement the present invention, data communication between communicating circuit and radiating circuit can adopt serial transmission mode to be transmitted, as shown in Figure 1, 2, it is set to following structure especially: be mainly made up of detector, communicating circuit, radiating circuit, power supply and earth mat, it is connected by bus between described radiating circuit and communicating circuit, it is connected by bus between described communicating circuit and detector, described detector connects earth mat, and described power supply connects detector, described earth mat includes electrical network A and earth mat B, one earth terminal of described detector connects electrical network A by cable and movable joint equipment, another earth terminal of described detector is by one end of cable and movable joint equipment link ceases to be busy, the other end of described aerial line connects earth mat B by the grounded lead-in wire of movable joint equipment, described power supply includes solar panel, controller and power supply circuits, described solar panel connects controller, described controller connects power supply circuits, described power supply circuits connect detector, the bus being connected between radiating circuit with communicating circuit adopts RS232 bus.
Embodiment 8:
The present embodiment is at the enterprising one-step optimization in the basis of embodiment 1, further, to better implement the present invention, connection between detector and aerial line is more firm, testing result is truer, as shown in Figure 1, 2, it is particularly configured to following structure: be mainly made up of detector, communicating circuit, radiating circuit, power supply and earth mat, it is connected by bus between described radiating circuit and communicating circuit, it is connected by bus between described communicating circuit and detector, described detector connects earth mat, and described power supply connects detector, described earth mat includes electrical network A and earth mat B, one earth terminal of described detector connects electrical network A by cable and movable joint equipment, another earth terminal of described detector is by one end of cable and movable joint equipment link ceases to be busy, the other end of described aerial line connects earth mat B by the grounded lead-in wire of movable joint equipment, described power supply includes solar panel, controller and power supply circuits, described solar panel connects controller, described controller connects power supply circuits, described power supply circuits connect detector, another earth terminal of detector is at least 2 with the connected movable joint equipment adopted of aerial line.
Embodiment 9:
The present embodiment is at the enterprising one-step optimization in the basis of any of the above-described embodiment, further, to better implement the present invention, adopt non-cpntact measurement, ground wire punching is passed through, without self-inspection, detection in real time, remotely the mode of monitoring carries out earth resistance (connecing Low ESR) detection, and realize high stability, the on-line checking of high reliability, such as Fig. 1, shown in 2, adopt following structure especially: main by detector, communicating circuit, radiating circuit, power supply and earth mat composition, it is connected by bus between described radiating circuit and communicating circuit, it is connected by bus between described communicating circuit and detector, described detector connects earth mat, described power supply connects detector, described earth mat includes electrical network A and earth mat B, one earth terminal of described detector connects electrical network A by cable and movable joint equipment, another earth terminal of described detector is by one end of cable and movable joint equipment link ceases to be busy, the other end of described aerial line connects earth mat B by the grounded lead-in wire of movable joint equipment, described power supply includes solar panel, controller and power supply circuits, described solar panel connects controller, described controller connects power supply circuits, described power supply circuits connect detector, described detector adopts non-contact grounding resistance on-line detector.
The present invention is when carrying out grounding resistance detection, adopt solar powered mode that intrasystem equipment to be powered is powered, reach environmental protection and utilize the energy, the equipment to be powered of testing and analysis system is cleaned power supply, reduce resource to damage, reducing the utilization of non-renewable resources, whole system has design science, easy to use, the function of two-stage linkage.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations. All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (9)
1. one kind adopts solar powered insulating resistance measuring to analyze system, it is characterized in that: be mainly made up of detector, communicating circuit, radiating circuit, power supply and earth mat, it is connected by bus between described radiating circuit and communicating circuit, it is connected by bus between described communicating circuit and detector, described detector connects earth mat, and described power supply connects detector; Described earth mat includes electrical network A and earth mat B, one earth terminal of described detector connects electrical network A by cable and movable joint equipment, another earth terminal of described detector is by one end of cable and movable joint equipment link ceases to be busy, the other end of described aerial line connects earth mat B by the grounded lead-in wire of movable joint equipment, described power supply includes solar panel, controller and power supply circuits, described solar panel connects controller, described controller connects power supply circuits, and described power supply circuits connect detector.
2. according to claim 1 a kind of adopt solar powered insulating resistance measuring to analyze system, it is characterised in that: being additionally provided with accumulator in described power supply, described accumulator connects controller.
3. according to claim 1 a kind of adopt solar powered insulating resistance measuring to analyze system, it is characterised in that: described radiating circuit adopts the wireless network radiating circuit based on GPRS network or 3G network or 4G network.
4. according to claim 1 a kind of adopt solar powered insulating resistance measuring to analyze system, it is characterised in that: described communicating circuit is also associated with other earth points.
5. according to claim 1 a kind of adopt solar powered insulating resistance measuring to analyze system, it is characterised in that: the described detector movable joint equipment adopted that is connected with described electrical network A is at least one.
6. according to claim 1 a kind of adopt solar powered insulating resistance measuring to analyze system, it is characterised in that: the bus employing RS485 bus being connected between described communicating circuit with described detector.
7. according to claim 1 a kind of adopt solar powered insulating resistance measuring to analyze system, it is characterised in that: the bus employing RS232 bus being connected between described radiating circuit with described communicating circuit.
8. according to claim 1 a kind of adopt solar powered insulating resistance measuring to analyze system, it is characterised in that: another earth terminal of described detector is at least 2 with the aerial line movable joint equipment adopted that is connected.
9. a kind of according to claim 1 or 5 or 6 or 8 adopts solar powered insulating resistance measuring to analyze system, it is characterised in that: described detector adopts non-contact grounding resistance on-line detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511029824.2A CN105652098A (en) | 2015-12-31 | 2015-12-31 | Ground resistance detection and analysis system adopting solar energy to supply power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511029824.2A CN105652098A (en) | 2015-12-31 | 2015-12-31 | Ground resistance detection and analysis system adopting solar energy to supply power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105652098A true CN105652098A (en) | 2016-06-08 |
Family
ID=56490312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511029824.2A Pending CN105652098A (en) | 2015-12-31 | 2015-12-31 | Ground resistance detection and analysis system adopting solar energy to supply power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105652098A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008199A (en) * | 2017-12-28 | 2018-05-08 | 广东电网有限责任公司韶关供电局 | A kind of grounding resistance detection system |
| CN108037368A (en) * | 2017-12-28 | 2018-05-15 | 广东电网有限责任公司韶关供电局 | A kind of insulating resistance measuring device |
| CN108181511A (en) * | 2017-12-28 | 2018-06-19 | 广东电网有限责任公司韶关供电局 | A kind of insulating resistance measuring device and its detection method |
| CN108693433A (en) * | 2018-05-20 | 2018-10-23 | 新能量科技股份有限公司 | A kind of ground-wire monitoring instrument |
| CN109799393A (en) * | 2018-12-29 | 2019-05-24 | 王翰凌 | Earth resistance tester for home circuit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221644A (en) * | 2011-03-15 | 2011-10-19 | 珠海威瀚科技发展有限公司 | System and method for online monitoring grounding networks of power stations and substations |
| CN202994910U (en) * | 2012-12-28 | 2013-06-12 | 广州市铱泰电子科技有限公司 | On-line detector and system for non-contact grounding resistor |
| EP2772767A1 (en) * | 2013-03-02 | 2014-09-03 | Fluke Corporation | Earth ground tester with remote control |
| CN204374981U (en) * | 2015-01-21 | 2015-06-03 | 乐山师范学院 | Based on the Intelligent treatment equipment of computing machine verification code information treatment technology |
| CN204789765U (en) * | 2015-07-14 | 2015-11-18 | 中山市新立防雷器材有限公司 | A wiring structure for ground resistance of lightning grounding earth mat monitors |
-
2015
- 2015-12-31 CN CN201511029824.2A patent/CN105652098A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221644A (en) * | 2011-03-15 | 2011-10-19 | 珠海威瀚科技发展有限公司 | System and method for online monitoring grounding networks of power stations and substations |
| CN202994910U (en) * | 2012-12-28 | 2013-06-12 | 广州市铱泰电子科技有限公司 | On-line detector and system for non-contact grounding resistor |
| EP2772767A1 (en) * | 2013-03-02 | 2014-09-03 | Fluke Corporation | Earth ground tester with remote control |
| CN204374981U (en) * | 2015-01-21 | 2015-06-03 | 乐山师范学院 | Based on the Intelligent treatment equipment of computing machine verification code information treatment technology |
| CN204789765U (en) * | 2015-07-14 | 2015-11-18 | 中山市新立防雷器材有限公司 | A wiring structure for ground resistance of lightning grounding earth mat monitors |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008199A (en) * | 2017-12-28 | 2018-05-08 | 广东电网有限责任公司韶关供电局 | A kind of grounding resistance detection system |
| CN108037368A (en) * | 2017-12-28 | 2018-05-15 | 广东电网有限责任公司韶关供电局 | A kind of insulating resistance measuring device |
| CN108181511A (en) * | 2017-12-28 | 2018-06-19 | 广东电网有限责任公司韶关供电局 | A kind of insulating resistance measuring device and its detection method |
| CN108693433A (en) * | 2018-05-20 | 2018-10-23 | 新能量科技股份有限公司 | A kind of ground-wire monitoring instrument |
| CN109799393A (en) * | 2018-12-29 | 2019-05-24 | 王翰凌 | Earth resistance tester for home circuit |
| CN109799393B (en) * | 2018-12-29 | 2024-03-12 | 王翰凌 | Ground resistance tester for household circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103293443B (en) | A kind of distribution network overhead line Earth design method | |
| CN105652098A (en) | Ground resistance detection and analysis system adopting solar energy to supply power | |
| CN101706531B (en) | Method for testing insulation performance of insulator | |
| CN102998520B (en) | Digital display high-voltage electroscope of telescopic rod | |
| CN102262201B (en) | The fault detection method of overhead distribution and system | |
| CN104237645A (en) | Online monitoring system and method for insulation state of substation DC system | |
| CN106226603B (en) | Corona loss measurement system and method for high-voltage alternating-current transmission line | |
| CN102855729B (en) | Automatic electricity getting residual-current electrical fire supervisory system | |
| CN105527499A (en) | Grounding resistance detection and analysis system with automatic alarm function | |
| CN102288878A (en) | Fault monitoring system for aerial distribution line | |
| CN104678259A (en) | Single-phase earth fault finding device | |
| CN103344885A (en) | High-voltage single-core cable protective covering grounding online monitoring device and control method | |
| CN105891597A (en) | High voltage power transmission line electric energy wireless monitoring device and monitoring method | |
| CN102004213B (en) | Direct-detection type intelligent direct-current system insulation and state diagnosis instrument | |
| CN110579693A (en) | High GIS partial discharge online monitoring device and method based on wireless transmission | |
| CN202870234U (en) | Online fault monitoring system for 10KV circuit | |
| CN203572909U (en) | Single-phase ground fault detection circuit and system | |
| CN103389408A (en) | High-voltage single-core cable sheath grounding current on-line monitoring device and control method | |
| CN206514883U (en) | A kind of Multifunctional suspension type insulator on-line monitoring system | |
| CN207067294U (en) | A kind of down conductor continuity test instrument | |
| CN208872829U (en) | A kind of low pressure protection against electric shock prior-warning device | |
| CN110618327A (en) | Mobile distribution automation test equipment and test method thereof | |
| CN203455440U (en) | High-voltage single core cable protective layer grounding online monitoring device | |
| CN108759924A (en) | Wireless internet of things switch and wireless internet of things manage system | |
| CN105629075A (en) | Grounding resistance detection system with automatic detection function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160608 |
|
| RJ01 | Rejection of invention patent application after publication |