CN205080227U - Ground net detecting system - Google Patents
Ground net detecting system Download PDFInfo
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- CN205080227U CN205080227U CN201520845884.0U CN201520845884U CN205080227U CN 205080227 U CN205080227 U CN 205080227U CN 201520845884 U CN201520845884 U CN 201520845884U CN 205080227 U CN205080227 U CN 205080227U
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Abstract
The utility model discloses a ground net detecting system, include: main control unit, electromagnetic acoustic sensor, transmitting circuit, receiving circuit, ground resistance tester and display module, transmitting circuit, receiving circuit, ground resistance tester and display module respectively with main control unit electric connection, transmitting circuit, receiving circuit still respectively with electromagnetic acoustic sensor electric connection, the electromagnetic acoustic sensor is used for receiving the pulse signal that the transmitting circuit sent, to the ground net transmission ultrasonic wave that awaits measuring to reach the back wave of receiving the ground net that awaits measuring, production feedback voltage erupts simultaneously and delivers to among the receiving circuit, main control unit is used for controlling the transmitting circuit and sends pulse signal to and generate feedback signal according to the feedback voltage after the processing that receiving circuit sent and erupt simultaneously and show in sending the display module to. The utility model discloses can detect the ground resistance of ground net and detect the corruption circumstances of ground net, realize detecting the ground net more fully.
Description
Technical field
The utility model relates to field of power detection, is specifically related to a kind of grounded screen detection system.
Background technology
Grounded screen is the visual plant of electric power system power plant and transformer station, needs to meet the requirement of working earthing, protecting field and lightning protection simultaneously.Grounded screen not only provides a public electric reference point, and drains fault current rapidly when the system failure, prevents the abnormal rising of earth potential, guarantees that step voltage, touch voltage and transfer voltage are in the safe range of allowing, ensure the person and device security.So the quality of Grounding performance is directly connected to the personal safety of generating plant and substation staff and the normal operation of equipment, qualified grounded screen has a very important role in safe operation of power system.
Along with the development of electric power network technique, the importance of electricity net safety stable improves constantly, and ground net corrosion has become the major issue that must solve.There are some errors or detect comprehensive not in the detection of existing detection system to grounded screen, causes staff cannot assess the situation of grounded screen exactly according to final testing result.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model provides a kind of grounded screen detection system, can detect the stake resistance of grounded screen and detect the corrosion condition of grounded screen, realizes more fully detecting grounded screen.
For solving the problem, the technical scheme that the utility model adopts is as follows:
Grounded screen detection system, comprise: master controller, electromagnetic ultrasonic transducer, radiating circuit, receiving circuit, earth resistance tester and display module, described radiating circuit, receiving circuit, earth resistance tester and display module are electrically connected with master controller respectively, and described radiating circuit, receiving circuit are also electrically connected with electromagnetic ultrasonic transducer respectively; The pulse signal that described electromagnetic ultrasonic transducer sends for receiving radiating circuit, launches ultrasound wave to grounded screen to be measured, and receives the reflection wave of grounded screen to be measured, produces feedback voltage and is sent in receiving circuit; Described receiving circuit is used for amplifying feedback voltage and filtering process be sent to master controller; Described master controller sends pulse signal for controlling radiating circuit, and the feedback voltage after the process sent according to receiving circuit generates feedback signal and is sent in display module and shows; Described earth resistance tester is used for detecting the stake resistance of grounded screen to be measured and to master controller feedback resistance detection signal; Described master controller also shows for being sent in display module by resistance detection signal.
Preferably, also comprise wireless communication module and host computer, described wireless communication module and master controller are electrically connected, described host computer and wireless communication module wireless connections.
Preferably, described wireless communication module is 3G module or 4G module.
Preferably, described display module is touch display screen.
Compared to existing technology, the beneficial effects of the utility model are: this grounded screen detection system can detect the stake resistance of grounded screen and detect the corrosion condition of grounded screen, and the signal detected directly can be shown by display screen, staff scene is judged, the signal detected can also be sent in host computer by network and do further to judge, judge more accurately to make.
Accompanying drawing explanation
Fig. 1 is the function structure chart of grounded screen detection system of the present utility model.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the utility model is described further:
With reference to figure 1, the utility model discloses a kind of grounded screen detection system, comprising: master controller 1, electromagnetic ultrasonic transducer 2, radiating circuit 3, receiving circuit 4, earth resistance tester 5, display module 6, wireless communication module 7 and host computer 8.Radiating circuit 3, receiving circuit 4, earth resistance tester 5, display module 6 and wireless communication module 7 are electrically connected with master controller 1 respectively, radiating circuit 3 and receiving circuit 4 are also electrically connected with electromagnetic ultrasonic transducer 2 respectively, wireless communication module 7 and host computer 8 wireless connections.Concrete, wireless communication module 7 is 3G or 4G module, and also can be that other have the wireless communication module of network communicating function, the model of master controller 1 be preferably AT89S52, and display module 6 is preferably touch display screen.
During native system work, electromagnetic ultrasonic transducer 2 is placed on the top of grounded screen to be measured, without the need to directly contacting with grounded screen to be measured, transmitted control signal to radiating circuit 3 by master controller 1, radiating circuit 3 is made to send pulse signal to electromagnetic ultrasonic transducer 2, electromagnetic ultrasonic transducer 2 launches ultrasound wave to grounded screen to be measured after receiving pulse signal, then the reflection wave of grounded screen to be measured is received, produce feedback voltage and be sent in receiving circuit 4, receiving circuit 4 is sent in master controller 1 after feedback voltage is carried out amplification and filtering process, the laggard row relax of feedback voltage after master controller 1 receives process also generates corresponding feedback signal, and this feedback signal is sent in display module 6 shows, concrete can show with the form of oscillogram in display module 6, staff scene is facilitated to analyze, to determine whether grounded screen to be measured exists the situation of being corroded, simultaneously, feedback signal is also sent in host computer 8 by wireless communication module 7 by master controller 1, by more professional analysis software, feedback signal can be analyzed in host computer 8, thus judge whether grounded screen to be measured exists the situation of being corroded further exactly.
For earth resistance tester 5, during test, earth resistance tester 5 is connected with grounded screen to be measured, to detect the stake resistance of grounded screen to be measured, and by the resistance detection signal feedback that detects in master controller 1, resistance detection signal is sent in display module 6 and shows by master controller 1, enable staff check the stake resistance of grounded screen to be measured intuitively, meanwhile, this resistance detection signal also can be sent in host computer 8 by wireless communication module 7 by master controller 1.In addition, staff selects the mode of operation of master controller 1 by touch display screen, namely switches between insulating resistance measuring pattern and ultrasound examination pattern.
The utility model has the advantage of: this grounded screen detection system can detect the stake resistance of grounded screen and detect the corrosion condition of grounded screen, and the signal detected directly can be shown by display screen, staff scene is judged, the signal detected can also be sent in host computer by network and do further to judge, judge more accurately to make.
To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection domain of the utility model claim.
Claims (4)
1. grounded screen detection system, it is characterized in that, comprise: master controller, electromagnetic ultrasonic transducer, radiating circuit, receiving circuit, earth resistance tester and display module, described radiating circuit, receiving circuit, earth resistance tester and display module are electrically connected with master controller respectively, and described radiating circuit, receiving circuit are also electrically connected with electromagnetic ultrasonic transducer respectively; The pulse signal that described electromagnetic ultrasonic transducer sends for receiving radiating circuit, launches ultrasound wave to grounded screen to be measured, and receives the reflection wave of grounded screen to be measured, produces feedback voltage and is sent in receiving circuit; Described receiving circuit is used for amplifying feedback voltage and filtering process be sent to master controller; Described master controller sends pulse signal for controlling radiating circuit, and the feedback voltage after the process sent according to receiving circuit generates feedback signal and is sent in display module and shows; Described earth resistance tester is used for detecting the stake resistance of grounded screen to be measured and to master controller feedback resistance detection signal; Described master controller also shows for being sent in display module by resistance detection signal.
2. grounded screen detection system according to claim 1, is characterized in that, also comprises wireless communication module and host computer, and described wireless communication module and master controller are electrically connected, described host computer and wireless communication module wireless connections.
3. grounded screen detection system according to claim 2, is characterized in that, described wireless communication module is 3G module or 4G module.
4. grounded screen detection system according to claim 1, is characterized in that, described display module is touch display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520845884.0U CN205080227U (en) | 2015-10-27 | 2015-10-27 | Ground net detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520845884.0U CN205080227U (en) | 2015-10-27 | 2015-10-27 | Ground net detecting system |
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| Publication Number | Publication Date |
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| CN205080227U true CN205080227U (en) | 2016-03-09 |
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| CN201520845884.0U Active CN205080227U (en) | 2015-10-27 | 2015-10-27 | Ground net detecting system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525977A (en) * | 2016-11-25 | 2017-03-22 | 国网山西省电力公司电力科学研究院 | Transient electromagnetic method based grounding grid imaging device |
| CN106770665A (en) * | 2016-11-25 | 2017-05-31 | 国网山西省电力公司电力科学研究院 | A kind of grounded screen imaging method based on transient electromagnetic method |
| CN107449972A (en) * | 2016-05-31 | 2017-12-08 | 国网冀北电力有限公司张家口供电公司 | A kind of impact grounding resistance measuring instrument |
| CN111551842A (en) * | 2020-05-13 | 2020-08-18 | 宁波甬安安全科技有限公司 | Lightning protection ground wire monitoring system and method |
| CN112505424A (en) * | 2020-11-30 | 2021-03-16 | 广东电网有限责任公司佛山供电局 | System and method for evaluating impact impedance distortion rate of vertical grounding electrode |
| CN112505423A (en) * | 2020-11-30 | 2021-03-16 | 广东电网有限责任公司佛山供电局 | System and method for evaluating impact impedance distortion rate of horizontal grounding electrode |
-
2015
- 2015-10-27 CN CN201520845884.0U patent/CN205080227U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449972A (en) * | 2016-05-31 | 2017-12-08 | 国网冀北电力有限公司张家口供电公司 | A kind of impact grounding resistance measuring instrument |
| CN106525977A (en) * | 2016-11-25 | 2017-03-22 | 国网山西省电力公司电力科学研究院 | Transient electromagnetic method based grounding grid imaging device |
| CN106770665A (en) * | 2016-11-25 | 2017-05-31 | 国网山西省电力公司电力科学研究院 | A kind of grounded screen imaging method based on transient electromagnetic method |
| CN106525977B (en) * | 2016-11-25 | 2019-04-26 | 国网山西省电力公司电力科学研究院 | A kind of grounded screen imaging device based on transient electromagnetic method |
| CN106770665B (en) * | 2016-11-25 | 2019-10-01 | 国网山西省电力公司电力科学研究院 | A kind of grounded screen imaging method based on transient electromagnetic method |
| CN111551842A (en) * | 2020-05-13 | 2020-08-18 | 宁波甬安安全科技有限公司 | Lightning protection ground wire monitoring system and method |
| CN112505424A (en) * | 2020-11-30 | 2021-03-16 | 广东电网有限责任公司佛山供电局 | System and method for evaluating impact impedance distortion rate of vertical grounding electrode |
| CN112505423A (en) * | 2020-11-30 | 2021-03-16 | 广东电网有限责任公司佛山供电局 | System and method for evaluating impact impedance distortion rate of horizontal grounding electrode |
| CN112505424B (en) * | 2020-11-30 | 2022-01-11 | 广东电网有限责任公司佛山供电局 | System and method for evaluating impact impedance distortion rate of vertical grounding electrode |
| CN112505423B (en) * | 2020-11-30 | 2022-01-21 | 广东电网有限责任公司佛山供电局 | System and method for evaluating impact impedance distortion rate of horizontal grounding electrode |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 701, room 11, 510000 software Road, Guangdong, Guangzhou, Tianhe District Patentee after: Guangdong Yineng Electric Power Co., Ltd. Address before: 701, room 11, 510000 software Road, Guangdong, Guangzhou, Tianhe District Patentee before: GUANGDONG YINENG ELECTRICAL ENGINEERING CO., LTD. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20211215 Address after: 510663 room 708, No.11 software Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: Guangdong intelligent debugging technology Co.,Ltd. Address before: 510000 room 701, software Road 11, Tianhe District, Guangzhou, Guangdong. Patentee before: GUANGDONG YI NENG ELECTRIC POWER Co.,Ltd. |
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| TR01 | Transfer of patent right |