CN111007430A - Temporary grounding wire state detection device and method - Google Patents
Temporary grounding wire state detection device and method Download PDFInfo
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- CN111007430A CN111007430A CN201911219833.6A CN201911219833A CN111007430A CN 111007430 A CN111007430 A CN 111007430A CN 201911219833 A CN201911219833 A CN 201911219833A CN 111007430 A CN111007430 A CN 111007430A
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- grounding
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- pin
- hanging
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
Abstract
The invention provides a temporary grounding wire state detection device which comprises a temporary grounding wire and a grounding wire sensing front end structure, wherein the temporary grounding wire comprises a wire hanging hook, a lead and a grounding pin, the wire hanging hook is connected with the grounding pin through the lead, the grounding wire sensing front end structure comprises a hanging sensing module and a grounding sensing module, the hanging sensing module is fixed on the wire hanging hook, and the grounding sensing module is fixed on the grounding pin. The invention also provides a method for detecting the state of the temporary grounding wire. The invention has the beneficial effects that: the detachable plug-and-play type LED lamp is flexible to disassemble, convenient to maintain, plug-and-play, low in cost and strong in popularization.
Description
Technical Field
The present invention relates to power systems, and particularly to a device and a method for detecting a state of a temporary ground wire.
Background
During the maintenance of the power grid, grounding wires need to be arranged at the incoming wires of each circuit of the power failure circuit, which may have a call, although the establishment of a work ticket system greatly reduces the occurrence of safety accidents in the power failure maintenance process, because the maintenance site is far away from the dispatching center, the distance between grounding seal wires is long, the hanging and dismantling information of the grounding wires completely depends on the telephone communication between field personnel and dispatching personnel, the key states of whether the grounding wires are actually grounded, whether the grounding wires are actually removed and the like are not controlled by technical means, and the personnel quality and the self-consciousness are not enough, so that even if various safety regulations exist in the working field, more serious accidents caused by the grounding wires are caused due to various factors such as the personnel quality, the working time and the labor intensity.
The state detection of the existing temporary grounding wire mainly adopts two methods according to the prior patents and documents:
(1) image recording method
The method mainly comprises the steps of photographing the ground wire and uploading the ground wire through a wireless network when the state of the ground wire is reported, and confirming the ground wire through a background monitoring center.
(2) Ground wire and specific ground point modification
The method is mainly applied to the exclusive area of the power system such as a transformer substation and the like, and comprises the following steps:
1. for the grounding state detection, a temporary grounding line and a specific grounding point are modified, an RFID mark is added, and after the grounding line is contacted with the specific grounding point, the state confirmation is completed through the RFID.
2. For detection of the hanging state, an ultrasonic distance measuring device is added on the temporary grounding wire, and the hanging state is confirmed by measuring the ground distance of the grounding wire after the hanging is finished.
The method is high in modification cost, is not suitable for scenes of non-power system exclusive areas, and is large in limitation because more temporary grounding points cannot be provided with RFID (radio frequency identification devices).
The problems and drawbacks of the prior methods are as follows:
(1) the range of applicable departments is not full, and the temporary grounding overhaul work of all the departments of the power grid cannot be considered;
(2) the method is not suitable for incomplete scenes, such as night scenes, temporary grounding point operation scenes, line routing inspection scenes and the like, which cannot be properly compatible;
(3) the transformation cost is high, and the existing method adds complex equipment to the ground wire and the grounding point to form a strong association combination, so that the cost is high;
(4) increase staff's process and work load, be unfavorable for the comprehensive popularization of basic unit and fall to the ground.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a device and a method for detecting the state of a temporary grounding wire.
The invention provides a temporary grounding wire state detection device which comprises a temporary grounding wire and a grounding wire sensing front end structure, wherein the temporary grounding wire comprises a wire hanging hook, a lead and a grounding pin, the wire hanging hook is connected with the grounding pin through the lead, the grounding wire sensing front end structure comprises a hanging sensing module and a grounding sensing module, the hanging sensing module is fixed on the wire hanging hook, and the grounding sensing module is fixed on the grounding pin.
As a further improvement of the present invention, the hooking sensing module includes a sensing portion and an arc-shaped buckle connected to the sensing portion, and the arc-shaped buckle of the hooking sensing module is connected to the wire hook buckle.
As a further improvement of the present invention, the sensing portion is provided with an air pressure sensor, a gyroscope, a geomagnetic sensor, an acceleration sensor, a pressure sensor, a wireless communication module and a microprocessor, and the air pressure sensor, the gyroscope, the geomagnetic sensor, the acceleration sensor, the pressure sensor and the wireless communication module are respectively connected to the microprocessor.
As a further improvement of the present invention, the structure of the grounding sensing module is the same as that of the hanging sensing module, and the arc-shaped buckle of the grounding sensing module is connected with the grounding pin buckle.
The invention also provides a method for detecting the state of the temporary grounding wire, which is based on any one of the devices for detecting the state of the temporary grounding wire and comprises the following steps:
s1, detecting an absolute height value by an air pressure sensor, detecting an inclination angle of a grounding pin or a wire hanging hook by a gyroscope, detecting an acceleration value of the grounding pin or the wire hanging hook by an acceleration sensor, and correcting equipment by a geomagnetic sensor;
s2, after data processing, obtaining the relative height difference between the grounding pin and the wire hanging hook by using the absolute height difference between the hanging sensing module and the grounding sensing module; obtaining a stable value and a change interval of the inclination angle of the grounding pin and the wire hanging hook within a set time after passing through a smoothing filter; obtaining the acceleration value and the duration of the grounding pin after peak filtering;
s3, judging whether the wire hanging hook is hung with the cable and is naturally suspended according to the relative height, the inclination angle, the interval and the acceleration value of the wire hanging hook, if so, finishing the hanging of the wire hanging hook, and if not, removing the wire hanging hook;
s4, judging that the grounding pin bears knocking and dives according to the inclination angle, the interval and the acceleration value of the grounding pin, and deducing the underground diving depth of the grounding pin according to the acceleration value, the knocking times and the duration time, so as to judge whether the grounding state of the grounding pin is good or not, if so, grounding the grounding pin, and if not, removing the grounding pin;
and S5, judging the sequence of the grounding pin and the hanging time of the wire hanging hook, and if the hanging behavior of the wire hanging hook is prior to the grounding behavior of the grounding pin, reasoning and judging that the operation sequence is illegal.
The invention has the beneficial effects that: the detachable plug-and-play type LED lamp is flexible to disassemble, convenient to maintain, plug-and-play, low in cost and strong in popularization.
Drawings
Fig. 1 is a schematic diagram of a temporary grounding line state detection device according to the present invention.
Fig. 2 is a schematic diagram of a hanging sensing module of a temporary grounding wire state detection device according to the present invention.
Fig. 3 is a flowchart of a method for detecting a state of a temporary grounding line according to the present invention.
Detailed Description
The invention is further described with reference to the following description and embodiments in conjunction with the accompanying drawings.
As shown in fig. 1 to 2, a temporary grounding wire state detection device comprises a temporary grounding wire and a grounding wire sensing front end structure, wherein the temporary grounding wire comprises a wire hanging hook 1, a wire 2 and a grounding pin 3, the wire hanging hook 1 is connected with the grounding pin 3 through the wire 2, the grounding wire sensing front end structure comprises a hanging sensing module 4 and a grounding sensing module 5, the hanging sensing module 4 is fixed on the wire hanging hook 1, and the grounding sensing module 5 is fixed on the grounding pin 3.
As shown in fig. 1 to 2, the hooking sensor module 4 includes a sensor portion 10 and an arc-shaped buckle 20 connected to the sensor portion 10, and the arc-shaped buckle 20 of the hooking sensor module is connected to the wire hook 1 in a snap-fit manner.
As shown in fig. 1 to 2, the sensing unit 10 is provided with an air pressure sensor, a gyroscope, a geomagnetic sensor, an acceleration sensor, a pressure sensor, a wireless communication module, and a Microprocessor (MCU), and the air pressure sensor, the gyroscope, the geomagnetic sensor, the acceleration sensor, the pressure sensor, and the wireless communication module are respectively connected to the microprocessor.
As shown in fig. 1 to 2, the grounding sensing module 5 and the hooking sensing module 4 have the same structure, and are configured by a piece of hardware, and the arc-shaped buckle of the grounding sensing module 5 is connected with the grounding pin 3 in a buckling manner.
As shown in fig. 3, the present invention further provides a method for detecting a state of a temporary grounding line, which comprises the following steps:
(1) the atmospheric pressure sensor detects absolute height value, and the gyroscope detects the inclination of earthing pin 3 or hanging wire hook 1, and acceleration sensor detects the acceleration value of earthing pin 3 or hanging wire hook 1, and geomagnetic sensor is used for calibration equipment.
(2) After data processing, the absolute height difference of the two modules (the hanging sensing module 4 and the grounding sensing module 5) is utilized to obtain the relative height difference between the grounding pin 3 and the wire hanging hook 1; after passing through a smoothing filter, obtaining a stable value and a change interval of an inclination angle between the grounding pin 3 and the wire hanging hook 1 within a specific time; and obtaining the acceleration value and the duration of the grounding pin 3 after peak filtering.
(3) And judging that the wire hanging hook 1 is hung with the cable and is naturally suspended by utilizing expert rules according to the relative height, the inclination angle, the interval and the acceleration value of the wire hanging hook 1, reasoning that the temporary grounding wire is hung and finished based on the typical characteristics, and judging that the temporary grounding wire is removed if the typical characteristics are damaged.
(4) And judging whether the grounding pin is in a good grounding state or not by using expert rules and by using the inclination angle, the interval and the acceleration value of the grounding pin, and deducing the underground submerging depth of the grounding pin according to the acceleration value, the knocking frequency and the duration time, wherein if the typical characteristics are damaged, the temporary grounding wire is considered to be removed.
(5) And judging the grounding time sequence of the grounding pin and the hanging time sequence of the wire hanging hook by using expert rules, and if the hanging behavior of the wire hanging hook is prior to the grounding behavior of the grounding pin, reasoning and judging that the operation sequence is illegal.
The ground wire sensing front end structure is mainly characterized as follows:
(1) the same set of hardware is used for innovatively hanging the sensing module 4 and the grounding sensing module 5, and the functional difference is determined by software;
(2) the sensor and the grounding wire are innovatively connected in a buckle mode, so that the sensor is convenient to disassemble, and meanwhile, a binding belt can be added to strengthen the fixing force;
(3) various miniature low-power sensors such as an air pressure sensor, a gyroscope, a geomagnetic sensor, an acceleration sensor and a pressure sensor are innovatively arranged in the device and are used for detecting motion and state;
(4) data processing and intelligent inference decision algorithm are innovatively built in the MCU, so that the judgment on the state of the ground wire is realized;
(5) external communication interfaces such as a low-power Zigbee/Bluetooth interface are arranged in the device, so that data can be conveniently transmitted.
The invention provides equipment and a method for detecting the state of a temporary grounding wire, and relates to the detection of the operation sequence of the temporary grounding wire, the detection of the grounding state of the grounding wire and the detection of the hanging state of the grounding wire.
The invention fully considers the behavior, action and track of the temporary grounding wire on the basis of absorbing the advantages of the wearable device, optimizes the judgment algorithm, gives out state judgment, and supports the serious dependence on the grounding wire, the field and the grounding point in the traditional method.
In the invention, the temporary grounding wire is taken as an article with typical behavior action, and a detachable operation and behavior detection module (similar wearable device) is configured for the article to judge the state of the article, so that the detection of the detection device and the temporary grounding wire under the condition without any electrical connection is realized, and the article can be used after being assembled without configuration.
The invention does not need to carry out large-scale reconstruction on the management occasions of the existing temporary grounding wires such as a power station, a transformer substation, a power station and a power supply station, can inherit and use the existing temporary grounding wires, has no influence on the existing maintenance operation flow, exists as a non-inductive guarantee mechanism, is beneficial to the acceptance of basic level personnel, and is convenient to popularize and apply in various places of a power system.
The invention provides a temporary grounding wire state detection device and a method, which have the following improvements:
(1) the working mode of the latest intelligent wearable equipment is introduced, and the state detection of the temporary grounding wire is realized with the lowest hardware cost;
(2) the simplification of hardware greatly reduces the volume, weight and working complexity of products;
(3) the accuracy and the reliability of a product judgment conclusion are ensured by an accurate reasoning and decision algorithm;
(4) the flexible structural design provides guarantee for product popularization and maintenance.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (5)
1. The utility model provides a earthing for work line state check out test set which characterized in that: including earthing for work line and earth connection sensing front end structure, earthing for work line includes hanging wire hook, wire and earthing pin, the hanging wire hook passes through the wire with the earthing pin is connected, earthing for work line sensing front end structure is including articulating sensing module and ground connection sensing module, it fixes to articulate sensing module on the hanging wire hook, ground connection sensing module fixes on the earthing pin.
2. A temporary grounding line state detection apparatus as claimed in claim 1, wherein: the hooking sensing module comprises a sensing part and an arc-shaped buckle connected with the sensing part, and the arc-shaped buckle hooked with the sensing module is connected with the wire hanging hook buckle.
3. A temporary grounding line state detection apparatus as claimed in claim 2, wherein: the sensing part is internally provided with an air pressure sensor, a gyroscope, a geomagnetic sensor, an acceleration sensor, a pressure sensor, a wireless communication module and a microprocessor, wherein the air pressure sensor, the gyroscope, the geomagnetic sensor, the acceleration sensor, the pressure sensor and the wireless communication module are respectively connected with the microprocessor.
4. A temporary grounding line state detection apparatus as claimed in claim 2, wherein: the grounding sensing module is the same as the hooking sensing module in structure, and the arc-shaped buckle of the grounding sensing module is connected with the grounding pin buckle.
5. A temporary grounding line state detection method is characterized in that the following steps are carried out based on the temporary grounding line state detection device of any one of claims 1 to 4:
s1, detecting an absolute height value by an air pressure sensor, detecting an inclination angle of a grounding pin or a wire hanging hook by a gyroscope, detecting an acceleration value of the grounding pin or the wire hanging hook by an acceleration sensor, and correcting equipment by a geomagnetic sensor;
s2, after data processing, obtaining the relative height difference between the grounding pin and the wire hanging hook by using the absolute height difference between the hanging sensing module and the grounding sensing module; obtaining a stable value and a change interval of the inclination angle of the grounding pin and the wire hanging hook within a set time after passing through a smoothing filter; obtaining the acceleration value and the duration of the grounding pin after peak filtering;
s3, judging whether the wire hanging hook is hung with the cable and is naturally suspended according to the relative height, the inclination angle, the interval and the acceleration value of the wire hanging hook, if so, finishing the hanging of the wire hanging hook, and if not, removing the wire hanging hook;
s4, judging that the grounding pin bears knocking and dives according to the inclination angle, the interval and the acceleration value of the grounding pin, and deducing the underground diving depth of the grounding pin according to the acceleration value, the knocking times and the duration time, so as to judge whether the grounding state of the grounding pin is good or not, if so, grounding the grounding pin, and if not, removing the grounding pin;
and S5, judging the sequence of the grounding pin and the hanging time of the wire hanging hook, and if the hanging behavior of the wire hanging hook is prior to the grounding behavior of the grounding pin, reasoning and judging that the operation sequence is illegal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911219833.6A CN111007430A (en) | 2019-12-03 | 2019-12-03 | Temporary grounding wire state detection device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911219833.6A CN111007430A (en) | 2019-12-03 | 2019-12-03 | Temporary grounding wire state detection device and method |
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| CN111007430A true CN111007430A (en) | 2020-04-14 |
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| CN201911219833.6A Pending CN111007430A (en) | 2019-12-03 | 2019-12-03 | Temporary grounding wire state detection device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904240A (en) * | 2021-01-18 | 2021-06-04 | 深圳市航天新源科技有限公司 | Temporary grounding wire state detection device and method |
| CN114646901A (en) * | 2022-03-24 | 2022-06-21 | 国网江苏省电力有限公司扬州供电分公司 | Monitoring and early warning device and method for electric grounding wire |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202442699U (en) * | 2012-01-11 | 2012-09-19 | 江苏省东方世纪网络信息有限公司 | Magnetic interference resistant handheld attitude measuring terminal |
| CN105242626A (en) * | 2015-10-29 | 2016-01-13 | 国网河南睢县供电公司 | Line safety intelligent auxiliary monitoring system |
| US20180070898A1 (en) * | 2016-09-14 | 2018-03-15 | Dental Imaging Technologies Corporation | Multiple-dimension imaging sensor with fault condition detection |
| CN207319518U (en) * | 2017-07-06 | 2018-05-04 | 郑州万特电气股份有限公司 | One kind ground wire operation experience system |
| CN208059938U (en) * | 2018-04-17 | 2018-11-06 | 南京盾捷电气科技有限公司 | Hanging earthing conductor based on ARM monitors system |
| CN208655933U (en) * | 2018-08-08 | 2019-03-26 | 成都保源酷码科技有限公司 | A kind of smart grounding line |
-
2019
- 2019-12-03 CN CN201911219833.6A patent/CN111007430A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202442699U (en) * | 2012-01-11 | 2012-09-19 | 江苏省东方世纪网络信息有限公司 | Magnetic interference resistant handheld attitude measuring terminal |
| CN105242626A (en) * | 2015-10-29 | 2016-01-13 | 国网河南睢县供电公司 | Line safety intelligent auxiliary monitoring system |
| US20180070898A1 (en) * | 2016-09-14 | 2018-03-15 | Dental Imaging Technologies Corporation | Multiple-dimension imaging sensor with fault condition detection |
| CN207319518U (en) * | 2017-07-06 | 2018-05-04 | 郑州万特电气股份有限公司 | One kind ground wire operation experience system |
| CN208059938U (en) * | 2018-04-17 | 2018-11-06 | 南京盾捷电气科技有限公司 | Hanging earthing conductor based on ARM monitors system |
| CN208655933U (en) * | 2018-08-08 | 2019-03-26 | 成都保源酷码科技有限公司 | A kind of smart grounding line |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904240A (en) * | 2021-01-18 | 2021-06-04 | 深圳市航天新源科技有限公司 | Temporary grounding wire state detection device and method |
| CN112904240B (en) * | 2021-01-18 | 2024-02-23 | 深圳市航天新源科技有限公司 | Temporary grounding wire state detection equipment and method |
| CN114646901A (en) * | 2022-03-24 | 2022-06-21 | 国网江苏省电力有限公司扬州供电分公司 | Monitoring and early warning device and method for electric grounding wire |
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Application publication date: 20200414 |