CN112834874A - Intelligent spark gap detector capable of automatically adsorbing and adjusting discharge gap - Google Patents
Intelligent spark gap detector capable of automatically adsorbing and adjusting discharge gap Download PDFInfo
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- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1245—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of line insulators or spacers, e.g. ceramic overhead line cap insulators; of insulators in HV bushings
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Abstract
The invention provides an intelligent spark gap detector capable of automatically adsorbing and adjusting a discharge gap, which comprises: magnetic probe, flexible probe, discharge gap adjusting device, multi-functional action bars and probe recognition device, multi-functional action bars fixed connection discharge gap adjusting device, discharge gap adjusting device fixed connection flexible probe, flexible probe has two, every all set up on the flexible probe magnetic probe, set up on the magnetic probe recognition device. The intelligent spark gap detector capable of automatically adsorbing and adjusting the discharge gap, provided by the invention, has the advantages of simple structure and low cost, can be automatically adsorbed at two ends of an insulator steel cap, solves the limitation of the attaching degree and the opening degree of a probe, can meet the detection of voltages of different grades, has an alarm function, can realize the state identification of the insulator, and improves the detection accuracy.
Description
Technical Field
The invention relates to the technical field of power system detection equipment, in particular to an intelligent spark gap detector capable of automatically adsorbing and adjusting a discharge gap.
Background
At present, the insulator detection in China generally adopts a spark gap method, the detection is carried out according to the principle of voltage difference existing at two ends of the insulator, when the insulator is detected, one side of a fork is in contact with an insulator steel cap, the other side of the fork crosses the insulator to be detected to be in contact with an adjacent insulator steel cap or metal, gap setting voltage discharges to generate spark discharge, discharge sound and lamplight are emitted, if the insulator is bad (low value or zero value), the potential difference distributed on the insulator is very small or equal to zero, the discharge between sparks cannot be punctured, the discharge sound cannot be heard, the lamplight cannot be lightened, and the insulator is a zero-value insulator and needs to be replaced immediately.
The existing spark gap detector has the following defects: 1. the length of the insulator string is 3-12 meters in high-voltage live operation, and when a person detects the insulator, the distance between a station and the insulator is long, so that whether the probe is accurately attached or not cannot be clearly seen, and the detection accuracy cannot be guaranteed; 2. during specific operation, a maintainer needs to adjust the detection angle continuously, or withdraw the detector to try to adjust the probe angle and the opening degree for multiple times manually, which wastes time and labor; 3. the detection of voltages of different grades cannot be met; 4. the state of the insulator cannot be intelligently analyzed and identified, and errors can be caused.
Disclosure of Invention
The invention aims to provide an intelligent spark gap detector capable of automatically adsorbing and adjusting a discharge gap, which is simple in structure and low in cost, can be automatically adsorbed at two ends of an insulator steel cap, solves the limitation of the attaching degree and the opening degree of a probe, can meet the detection of voltages of different grades, has an alarm function, can realize the state identification of an insulator, and improves the detection accuracy.
In order to achieve the purpose, the invention provides the following scheme:
an intelligent spark gap detector capable of automatically adsorbing and adjusting a discharge gap comprises: the device comprises a magnetic probe, flexible probes, a discharge gap adjusting device, a multifunctional operating rod and a probe identification device, wherein the multifunctional operating rod is fixedly connected with the discharge gap adjusting device, the discharge gap adjusting device is fixedly connected with the flexible probes, the number of the flexible probes is two, the magnetic probe is arranged on each flexible probe, and the probe identification device is arranged on each magnetic probe;
the multifunctional operating rod is a telescopic operating rod, safety warning scales are arranged on the telescopic operating rod, and operating personnel can ensure a safety distance according to the safety warning scales; the discharge gap adjusting device comprises an adjusting support, an adjusting screw rod and a graduated scale, wherein the adjusting support is of a laterally arranged V-shaped structure and is fixed on the telescopic operating rod, the adjusting screw rod is arranged on the outer side of the upper end of the adjusting support, the adjusting screw rod penetrates through a small hole arranged on the upper end of the adjusting support to be connected with a discharge probe on the inner side of the upper end of the discharge gap, a discharge probe on the lower end of the discharge gap is fixed on the inner side of the lower end of the adjusting support, the two flexible probes are arc-shaped and are respectively connected with the discharge probes on the upper end and the lower end of the discharge gap, the graduated scale is arranged in the adjusting support, the discharge gap is adjusted by rotating the adjusting screw rod according to the scales on the graduated scale to meet the detection of insulators with different voltage grades, the magnetic probe is a thickened magnetic probe and is used for, the magnetic probe is fixedly connected to the flexible probe; the probe recognition device comprises a probe sensor, a controller, a recorder and a voice alarm, wherein the probe sensor, the recorder and the voice alarm are all electrically connected with the controller, the probe sensor is arranged on the magnetic probe and used for detecting the temperature and voltage distribution value of the insulator, and the recorder, the voice alarm and the controller are arranged on the telescopic operating rod.
Optionally, the probe sensor is provided with a plurality ofly, for optical fiber sensor or SAW sensor for detect the temperature and the voltage distribution value of insulator respectively, intelligence spark gap detector still includes environmental sensor, environmental sensor has a plurality ofly, for optical fiber sensor or SAW sensor, is used for detecting the humiture and the wind speed of site environment respectively, environmental sensor sets up on the scalable action bars, and with controller electric connection.
Optionally, the controller is connected with a background monitoring host through a wireless communication module, data information collected by the probe sensor and the environmental sensor is transmitted to the background monitoring host, the background monitoring host judges the state of the insulator according to the data information and transmits the obtained conclusion to the controller, and the controller controls the recorder to display the state of the insulator.
Optionally, still be provided with displacement sensor and leakage current sensor on the scalable action bars, displacement sensor and reveal current sensor with controller electric connection, displacement sensor is used for detecting whether the scale of scalable action bars is less than safe distance, works as when the scale of scalable action bars is less than safe distance, the controller control voice alarm reports to the police, leakage current sensor is used for detecting the leakage current size on the scalable action bars, if leakage current surpasss the regulation index, controller control voice alarm reports to the police.
Optionally, a GPS positioning device is further disposed on the multifunctional operating rod, and the GPS positioning device is used to obtain position information of the insulator.
Optionally, the discharge gap adjusting device further comprises a vernier magnifier, and the vernier magnifier is rotatably connected to the adjusting bracket and used for magnifying the scales on the graduated scale.
Optionally, the end of the operating rod of the telescopic operating rod is connected to the shielding clothes or the grounding end through a wire, and is used for releasing the induced current.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects: the intelligent spark gap detector capable of automatically adsorbing and adjusting the discharge gap is low in cost, simple to manufacture and high in intelligent degree, can realize insulator state identification, and solves the problems of limitation of probe attaching degree and opening degree and low detection accuracy; the magnetic probe adopts a combination of a flexible probe and a magnetic probe, the attraction of the magnetic probe drives the flexible probe to bend, the problems of the adhesion degree and the opening degree of the traditional probe are solved, the magnetic probe adopts a thickened magnetic probe, the contact surface with a steel pin or a steel cap is enlarged, and the flexible probe is easier to adsorb when being close to the steel pin or the steel cap of the insulator; the discharge gap adjusting device is arranged, and can adjust the discharge gap to meet the detection of different voltage grades; the telescopic operating rod is arranged, the length of the operating rod can be adjusted, potential safety hazard risks are reduced, the telescopic operating rod is provided with the leakage current sensor and the displacement sensor, when leakage current exceeds a specified index or when the displacement sensor detects that an operator is too close to an insulator, the controller controls the sound alarm to give an alarm to remind the operator of safe operation, construction safety is guaranteed, and the telescopic operating rod is connected with a shielding clothes or a grounding end to release induced current; the probe sensor and the environment sensor are adopted, so that the temperature and voltage distribution of the insulator and the temperature, humidity and wind speed of the environment can be detected, and a data basis is provided for the subsequent judgment of the state of the insulator; the controller transmits the collected data information to the background monitoring host through the wireless communication module to analyze and judge the state of the insulator, and the state information is displayed on the recorder, so that the maintenance of operators is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of an intelligent spark gap detector capable of automatically adsorbing and adjusting a discharge gap according to an embodiment of the invention;
fig. 2 is a connection block diagram of the intelligent spark gap detector capable of automatically adsorbing and adjusting the discharge gap according to the embodiment of the invention.
Reference numerals: 1. a magnetic probe; 2. a flexible probe; 3. adjusting the screw rod; 4. a graduated scale; 5. a discharge gap; 6. a vernier magnifier; 7. a voice alarm; 8. a telescopic operating lever; 9. safety warning scales; 10. a recorder; 11. the end of the operating rod; 12. an environmental sensor; 13. a GPS positioning device; 14. a probe sensor; 15. a controller; 16. a background monitoring host; 17. adjusting the bracket; 18. a displacement sensor; 19. a leak sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide an intelligent spark gap detector capable of automatically adsorbing and adjusting a discharge gap, which is simple in structure and low in cost, can be automatically adsorbed at two ends of an insulator steel cap, solves the limitation of the attaching degree and the opening degree of a probe, can meet the detection of voltages of different grades, has an alarm function, can realize the state identification of an insulator, and improves the detection accuracy.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1-2, the intelligent spark gap detector with automatic adsorption and adjustable discharge gap provided in the embodiment of the present invention includes: the device comprises a magnetic probe 1, flexible probes 2, a discharge gap adjusting device, a multifunctional operating rod and a probe identification device, wherein the discharge gap adjusting device is fixedly connected to the multifunctional operating rod, the flexible probes 2 are fixedly connected to the discharge gap adjusting device, the number of the flexible probes 2 is two, the magnetic probe 1 is arranged on each flexible probe 2, and the probe identification device is arranged on the magnetic probe 1;
the multifunctional operating rod is a telescopic operating rod 8, safety warning scales 9 are arranged on the telescopic operating rod 8, and an operator can ensure a safety distance according to the safety warning scales; the discharge gap adjusting device comprises an adjusting support 17, an adjusting screw rod 3 and a graduated scale 4, wherein the adjusting support 17 is of a laterally arranged V-shaped structure and is fixed on the telescopic operating rod 8, the adjusting screw rod 3 is arranged on the outer side of the upper end of the adjusting support 17, the adjusting screw rod 3 penetrates through a small hole arranged at the upper end of the adjusting support 17 to be connected with a discharge probe on the inner side of the upper end of a discharge gap 5, the discharge probe at the lower end of the discharge gap 5 is fixed on the inner side of the lower end of the adjusting support 17, the two flexible probes 2 are arc-shaped, the two flexible probes 2 are respectively connected with the discharge probes at the upper end and the lower end of the discharge gap 5, the discharge gap 5 is adjusted by rotating the adjusting screw rod 3 according to the scales on the graduated scale 4 to meet the detection of insulators with different voltage levels, the magnetic probe 1 is a thickened magnetic probe and, the magnetic probe 1 is fixedly connected to the flexible probe 2; probe recognition device includes probe sensor 14, controller 15, register 10, audible alarm 7, probe sensor 14, register 10 and audible alarm 7 all with 15 electric connection of controller, probe sensor 14 sets up magnetic probe 1 is last, is used for detecting the temperature and the voltage distribution value of insulator, register 10, audible alarm 7 and controller 15 set up on the scalable action bars 5.
The flexible probe 2 is a probe with moderate rigidity and flexibility and can freely change the opening degree and the bending degree along with the suction position of the magnetic probe 1.
The probe sensor 14 is provided with a plurality ofly, for optical fiber sensor or SAW sensor for detect the temperature and the voltage distribution value of insulator respectively, intelligence spark gap detector still includes environmental sensor, environmental sensor 12 has a plurality ofly, for optical fiber sensor or SAW sensor, is used for detecting site environment's humiture and wind speed respectively, environmental sensor 12 sets up on the scalable action bars 8, and with 15 electric connection of controller.
The multifunctional operating rod 5 is further provided with a GPS positioning device 13, and the GPS positioning device 13 is used for obtaining position information of the insulator.
The controller 14 is connected with a background monitoring host 16 through a wireless communication module, data information collected by the probe sensor 14 and the environment sensor 12 is transmitted to the background monitoring host 16, the background monitoring host 16 judges the state of the insulator according to the data information and transmits the obtained conclusion to the controller 14, the controller 14 controls the recorder 10 to display the state of the insulator, and the obtained conclusion and position information, operator information and the like obtained through the GPS positioning device 13 are recorded in real time and transmitted to the background monitoring host 16.
The safety warning scale 9 on the telescopic operating rod 8 is marked by different colors, so that the safety distance of an operator can be clearly prompted; still be provided with displacement sensor 18 and leakage current sensor 19 on the scalable action bars 8, displacement sensor 18 and leakage current sensor 19 with 15 electric connection of controller, displacement sensor 18 is used for detecting whether scalable action bars's scale is less than safe distance, works as when scalable action bars 8's scale is less than safe distance, controller 15 control voice alarm 7 reports to the police, leakage current sensor 19 is used for detecting the leakage current size on scalable action bars 8, if leakage current exceeds the regulation index, controller 15 control voice alarm 7 reports to the police.
The discharge gap adjusting device further comprises a vernier magnifier 6, wherein the vernier magnifier 6 is rotatably connected to the adjusting bracket 17 and used for magnifying the scales on the graduated scale 4.
The operating rod end 11 of the telescopic operating rod 8 is connected with a shielding clothes or a grounding end through a wire and used for releasing induced current; be provided with interim fixing device on the action bars end 11, can deposit the action bars temporarily, adopt anti-skidding anti-drop design on the action bars end 11, prevent that the operation personnel from dropping or pulling out carelessly scalable action bars 8.
The recorder 10 can be an operating handle with a recording function, and the operating handle is arranged on the telescopic operating rod 8, so that the carrying is convenient.
The use method of the intelligent spark gap detector comprises the following steps: the discharge gap is adjusted by a discharge gap adjusting device according to the voltage grade, the end of an operating rod is connected with a shielding clothes or a grounding end through a lead, a telescopic adjusting rod is adjusted to a proper length and needs to exceed a safe distance, if the safe distance is not exceeded, a controller controls an audible alarm to give an alarm, a magnetic probe is sent to an insulator steel cap through the telescopic adjusting rod, the magnetic probe is automatically adsorbed at the insulator steel cap and changes the opening degree and the curvature degree of a flexible probe to ensure better detection, a probe sensor detects the temperature and the voltage distribution value of the insulator, an environmental sensor detects the environmental temperature, the environmental temperature and the wind speed, a GPS positioning device positions the insulator, the controller transmits the acquired information to a background monitoring host through a wireless communication module, and the background monitoring host analyzes the acquired information to obtain the state information of the insulator, and the controller controls the recorder to display the state information of the insulator, stores the position information, the state information and the information of the operator, the leakage current sensor detects the leakage current on the telescopic adjusting rod in real time, and when the leakage current exceeds a specified standard, the controller controls the sound alarm to give an alarm to remind the operator.
The intelligent spark gap detector capable of automatically adsorbing and adjusting the discharge gap is low in cost, simple to manufacture and high in intelligent degree, can realize insulator state identification, and solves the problems of limitation of probe attaching degree and opening degree and low detection accuracy; the magnetic probe adopts a combination of a flexible probe and a magnetic probe, the attraction of the magnetic probe drives the flexible probe to bend, the problems of the adhesion degree and the opening degree of the traditional probe are solved, the magnetic probe adopts a thickened magnetic probe, the contact surface with a steel pin or a steel cap is enlarged, and the flexible probe is easier to adsorb when being close to the steel pin or the steel cap of the insulator; the discharge gap adjusting device is arranged, and can adjust the discharge gap to meet the detection of different voltage grades; the telescopic operating rod is arranged, the length of the operating rod can be adjusted, potential safety hazard risks are reduced, the telescopic operating rod is provided with the leakage current sensor and the displacement sensor, when leakage current exceeds a specified index or when the displacement sensor detects that an operator is too close to an insulator, the controller controls the sound alarm to give an alarm to remind the operator of safe operation, construction safety is guaranteed, and the telescopic operating rod is connected with a shielding clothes or a grounding end to release induced current; the probe sensor and the environment sensor are adopted, so that the temperature and voltage distribution of the insulator and the temperature, humidity and wind speed of the environment can be detected, and a data basis is provided for the subsequent judgment of the state of the insulator; the controller transmits the collected data information to the background monitoring host through the wireless communication module to analyze and judge the state of the insulator, and the state information is displayed on the recorder, so that the maintenance of operators is facilitated.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (7)
1. The utility model provides an automatic adsorb and intelligent spark gap detector of adjustable discharge gap which characterized in that includes: the device comprises a magnetic probe, flexible probes, a discharge gap adjusting device, a multifunctional operating rod and a probe identification device, wherein the multifunctional operating rod is fixedly connected with the discharge gap adjusting device, the discharge gap adjusting device is fixedly connected with the flexible probes, the number of the flexible probes is two, the magnetic probe is arranged on each flexible probe, and the probe identification device is arranged on each magnetic probe;
the multifunctional operating rod is a telescopic operating rod, safety warning scales are arranged on the telescopic operating rod, and operating personnel can ensure a safety distance according to the safety warning scales; the discharge gap adjusting device comprises an adjusting support, an adjusting screw rod and a graduated scale, wherein the adjusting support is of a laterally arranged V-shaped structure and is fixed on the telescopic operating rod, the adjusting screw rod is arranged on the outer side of the upper end of the adjusting support, the adjusting screw rod penetrates through a small hole arranged on the upper end of the adjusting support to be connected with a discharge probe on the inner side of the upper end of the discharge gap, a discharge probe on the lower end of the discharge gap is fixed on the inner side of the lower end of the adjusting support, the two flexible probes are arc-shaped and are respectively connected with the discharge probes on the upper end and the lower end of the discharge gap, the graduated scale is arranged in the adjusting support, the discharge gap is adjusted by rotating the adjusting screw rod according to the scales on the graduated scale to meet the detection of insulators with different voltage grades, the magnetic probe is a thickened magnetic probe and is used for, the magnetic probe is fixedly connected to the flexible probe; the probe recognition device comprises a probe sensor, a controller, a recorder and a voice alarm, wherein the probe sensor, the recorder and the voice alarm are all electrically connected with the controller, the probe sensor is arranged on the magnetic probe and used for detecting the temperature and voltage distribution value of the insulator, and the recorder, the voice alarm and the controller are arranged on the telescopic operating rod.
2. The intelligent spark gap tester capable of automatically absorbing and adjusting a discharge gap as claimed in claim 1, wherein the probe sensor is provided in plurality, and is an optical fiber sensor or a SAW sensor, for respectively testing the temperature and voltage distribution values of the insulator, and the intelligent spark gap tester further comprises a plurality of environmental sensors, each of the environmental sensors is an optical fiber sensor or a SAW sensor, for respectively testing the temperature, humidity and wind speed of the field environment, and the environmental sensors are disposed on the telescopic operating rod and electrically connected to the controller.
3. The intelligent automatic absorption and discharge gap adjustable spark gap detector as claimed in claim 2, wherein the controller is connected to a background monitoring host through a wireless communication module, data information collected by the probe sensor and the environmental sensor is transmitted to the background monitoring host, the background monitoring host determines the state of the insulator according to the data information, and transmits the obtained conclusion to the controller, and the controller controls the recorder to display the state of the insulator.
4. The intelligent spark gap detector capable of automatically adsorbing and adjusting the discharge gap according to claim 1, wherein a displacement sensor and a leakage current sensor are further arranged on the telescopic operating rod, the displacement sensor and the leakage current sensor are electrically connected with the controller, the displacement sensor is used for detecting whether the scale of the telescopic operating rod is smaller than a safe distance, when the scale of the telescopic operating rod is smaller than the safe distance, the controller controls the voice alarm to alarm, the leakage current sensor is used for detecting the size of the leakage current on the telescopic operating rod, and if the leakage current exceeds a specified index, the controller controls the voice alarm to alarm.
5. The intelligent automatic absorption and discharge gap adjustable spark gap detector as claimed in claim 4, wherein a GPS positioning device is further disposed on the multifunctional operating rod, and the GPS positioning device is used for obtaining position information of the insulator.
6. The intelligent spark gap detector with automatic absorption and adjustable discharge gap according to claim 1, wherein the discharge gap adjusting device further comprises a vernier magnifier, the vernier magnifier is rotatably connected to the adjusting bracket and is used for magnifying the scales on the graduated scale.
7. The intelligent automatic absorption and adjustable discharge gap spark gap detector as claimed in claim 4, wherein the end of the telescopic operating rod is connected to the shielding clothes or the grounding terminal through a wire for releasing the induced current.
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| CN202011629683.9A CN112834874B (en) | 2020-12-31 | 2020-12-31 | Intelligent spark gap detector capable of automatically adsorbing and adjusting discharge gap |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112834874B (en) | 2022-11-25 |
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