CN112307887B - SF (sulfur hexafluoride) 6 Intelligent on-line monitoring and early warning method and system for gas pressure - Google Patents
SF (sulfur hexafluoride) 6 Intelligent on-line monitoring and early warning method and system for gas pressure Download PDFInfo
- Publication number
- CN112307887B CN112307887B CN202010910811.0A CN202010910811A CN112307887B CN 112307887 B CN112307887 B CN 112307887B CN 202010910811 A CN202010910811 A CN 202010910811A CN 112307887 B CN112307887 B CN 112307887B
- Authority
- CN
- China
- Prior art keywords
- image
- instrument panel
- electrically connected
- standard
- early warning
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/10—Terrestrial scenes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/086—Means for indicating or recording, e.g. for remote indication for remote indication
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/48—Extraction of image or video features by mapping characteristic values of the pattern into a parameter space, e.g. Hough transformation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses an SF 6 The intelligent on-line monitoring and early warning method and system for the gas pressure comprise the following steps: s1, manufacturing a standard virtual instrument panel by an image processing unit; s2, storing the manufactured standard virtual instrument panel image in an image storage unit; s3, the cloud server acquires and preprocesses the standard instrument panel image sent by the remote controller, stores the preprocessed standard instrument panel image in the image storage unit, and automatically numbers the storage address; s4, the image comparison unit invokes a standard virtual instrument panel and the preprocessed image for comparison, generates a comparison picture, and sends a comparison result to the result identification unit; s5, the image processing unit processes the comparison picture and establishes mapping of the corresponding number of the pointer; s6, the result identification unit judges the early warning level according to the comparison result; the method can intuitively and clearly display the gas pressure value, is convenient for operation and maintenance personnel to control the site information in real time, and reduces the labor cost.
Description
Technical Field
The invention relates to the technical field of power equipment inspection, in particular to an SF (sulfur hexafluoride) 6 An intelligent on-line monitoring and early warning method and system for gas pressure.
Background
With the continuous development of the power grid, the application of the inflatable electric equipment is more and more extensive, and the SF of the transformer substation 6 The online monitoring of gases is also becoming more and more popular, and at present, SF is used at home and abroad 6 The gas leakage detection mainly comprises a leakage detector and a density relay. The high-voltage circuit breaker and the equipped density relay are mechanical, and a pressure gauge is arranged on site to display the conversion relation between pressure and density. Conventional SF 6 The pressure gauge has only two state quantities capable of being monitored on line, namely alarming and locking, real-time monitoring of the pressure value of the pressure gauge cannot be realized, and trend analysis and early warning functions of pressure value reduction cannot be realized, so that once pressure leakage occurs, operation and maintenance personnel are required to check on site for multiple times, and a large amount of manpower, material resources and time are wasted.
The digital density on-line monitoring device is developed by the existing domestic units and is applied to the transformer substation site, thereby realizing SF 6 The gas density (pressure and temperature) is monitored on line, but the original pressure gauge air inlet pipe is required to be modified during installation, a three-way external sensor is adopted, the reliability is low, and the popularization and application space is small.
The dial plate image based on the image identification is firstly subjected to noise reduction and module reduction through a Canny edge detection algorithm, then the image is converted into data information through a Hough transformation image identification algorithm and is subjected to data intelligent analysis, if the data exceeds a preset threshold value, the cloud server feeds back alarm information to a computer monitoring interface of a central monitoring system of an operation site, meanwhile, the alarm information is sent to a special monitoring mobile terminal in a form of a short message and an APP data packet through a mobile data network, but the dial plate image is subjected to edge detection to obtain a contour image, scale information in the contour image is completely displayed, the relative position and numerical value information of a pointer on the dial plate are difficult to visually see, meanwhile, the acquired dial plate image is not a standard picture, the reading error is enlarged due to the fact that the acquired dial plate image is not required to be adjusted, the standard dial plate is required to be used as a reference, the relative position of the pointer on the standard dial plate is the pointing information of the pointer, meanwhile, the uninterrupted image information is acquired and continuous electric energy is provided for electric equipment, and the technology to be overcome in the field is also required.
Disclosure of Invention
The invention aims at the prior SF 6 The problems of difficulty in realizing the monitoring of the gas pressure all the day and inaccurate and intuitive reading of the detection result are solved by providing an SF 6 The intelligent on-line monitoring and early warning method and system for the gas pressure are characterized in that the designed power supply device can provide working power for the detection equipment all-weather, the collected image data is operated by an image recognition algorithm, the gas pressure value can be intuitively and clearly displayed, the operation and maintenance personnel can conveniently control on-site information in real time, and the labor cost is reduced.
To achieve the technical purpose, the invention provides a technical proposal that an SF 6 The intelligent on-line monitoring and early warning method for the gas pressure comprises the following steps:
s1, manufacturing a standard virtual instrument panel by an image processing unit, calibrating a reference point on the standard virtual instrument panel, and dividing the standard virtual instrument panel into a normal area, a low warning area, a high warning area and a dangerous area according to early warning grades;
s2, storing the manufactured standard virtual instrument panel image in an image storage unit;
s3, the cloud server acquires a standard instrument panel image sent by the remote controller, the image processing unit preprocesses the standard instrument panel image, the preprocessed standard instrument panel image is stored in the image storage unit, and the storage address is automatically numbered;
s4, the image comparison unit is used for retrieving the standard virtual instrument panel in the image storage unit and comparing the standard instrument panel image with the preprocessed standard instrument panel image to generate a comparison picture, sending the comparison result to the result identification unit and sending the comparison picture to the image processing unit;
s5, the image processing unit processes the comparison picture, establishes mapping of numbers corresponding to the pointers by adopting a Hough transformation image recognition algorithm, and sends the digital results to storage addresses corresponding to the image storage unit;
and S6, the result identification unit judges the early warning level according to the comparison result and sends the early warning level to a storage address corresponding to the image storage unit.
The image processing unit preprocesses the standard instrument panel image comprises the following steps:
s31, gaussian smoothing is carried out on an input standard instrument panel image, so that the error rate is reduced;
s32, calculating the gradient amplitude and direction of the standard instrument panel image to estimate the edge strength and direction at each point;
s33, performing non-maximum suppression on the gradient amplitude according to the gradient direction so as to obtain a thinned edge;
s34, performing double-threshold processing and connecting edges to obtain a strong characteristic preprocessing image with the outlines of the dial plate, the pointer and the calibration points.
The step of generating the comparison picture comprises the following steps:
s41, eliminating image noise of non-dial plates, pointers and calibration points, and adjusting the dial plates of the preprocessed images to be a standard circle;
s42, the size of the standard virtual instrument panel image is adaptively adjusted to be matched with the preprocessed image, the direction of the standard virtual instrument panel image is adjusted to enable the calibration point to coincide with the reference point of the preprocessed image, a comparison picture is obtained, the dial plate of the comparison picture is the standard virtual instrument panel, the pointer of the comparison picture is the pointer of the preprocessed image, and the number pointed by the pointer and the early warning level area can be intuitively read.
SF (sulfur hexafluoride) 6 The intelligent online monitoring and early warning system for the gas pressure comprises image acquisition equipment, a mobile monitoring terminal, a cloud server, a controller and a power supply device;
the image acquisition equipment is arranged on the SF 6 SF is collected on a gas density relay 6 Instrument panel image information of the gas density relay; is electrically connected with the controller and is connected with the controller,
the controller sends the dashboard image information to the cloud server and is in communication connection with the cloud server;
the power supply device supplies power to the controller and the image acquisition equipment;
the cloud server is used for receiving the panel image information sent by the controller, processing, analyzing and storing the image information, sending the result to the mobile monitoring terminal, and connecting the mobile monitoring terminal in a communication way, wherein the cloud server is provided with an image processing unit, an image storage unit, an image comparison unit and a result authentication unit, and the acquired image is processed through the steps, so that an accurate and visual image and a digital result can be obtained;
the mobile monitoring terminal is used for a manager to retrieve and check SF at any time 6 Pressure data of the gas, and countermeasures are taken.
The controller comprises a main control chip, a memory and a GPRS communication module, wherein the memory and the GPRS communication module are respectively and electrically connected with the main control module.
The image acquisition equipment comprises a light supplementing lamp and a camera, and the light supplementing lamp and the camera are respectively and electrically connected with the controller. The controller adopts different image acquisition strategies according to the light condition, and when light is dark, the light environment for acquiring images is provided for the camera by matching with the light supplementing lamp, so that the acquired images are clear and effective.
The power supply device comprises a station direct current power supply, a storage battery, a solar cell panel, an electromagnet, a spring, a photoresistor, a regulating resistor, a contactor and an auxiliary switch, wherein one end of the station direct current power supply is electrically connected with one end of the auxiliary switch, the other end of the direct current power supply is electrically connected with a camera, the other end of the auxiliary switch is electrically connected with the other end of the camera, one end of the storage battery is electrically connected with one end of the camera and one end of the solar cell panel respectively, the other end of the storage battery is electrically connected with a contact of the contactor, the other end of the solar cell panel is electrically connected with a contact of the contactor, a coil is wound on the electromagnet, one end of the coil is electrically connected with one end of the regulating resistor through the power supply, the other end of the regulating resistor is electrically connected with one end of the photoresistor, and the electromagnet is magnetically attracted with the other end of the coil.
In the embodiment, when the light is sufficient, the solar panel charges the storage battery, the direct current power supply in the station provides a working power supply for the camera, and the storage battery is used as a standby power supply of the camera; when the light is insufficient, the storage battery provides a working power supply for the camera, and at the moment, the direct current power supply in the station is used as a standby power supply of the camera, so that all-weather supply of the power supply can be greatly ensured.
The contactor comprises four contacts, a conductive rod, a supporting rod, a spring and a magnetic rod, wherein the lower end of the spring is electrically connected with the magnetic rod, the lower end of the spring is electrically connected with the conductive rod, the conductive rod is arranged at the upper end of the supporting rod, the magnetic rod is arranged at the lower end of the supporting rod, conductive sheets matched with the four contacts are arranged on the upper surface and the lower surface of the tail end of the conductive rod, the four contacts comprise a D contact, an E contact, an F contact and a G contact, the E contact and the G contact of the contactor are respectively electrically connected with one end of a storage battery, the D contact of the contactor is electrically connected with one end of a camera, and the F contact of the contactor is electrically connected with one end of a solar panel.
In the scheme, the resistance of the photoresistor is reduced along with the enhancement of illumination intensity, when illumination is sufficient in a single day, the system current is increased, the electromagnet is excited to attract the magnetic rod, so that the F contact and the G contact of the contactor are conducted, the auxiliary switch is closed, the camera is powered by a station direct current power supply, and a closed loop is formed by the solar panel and the storage battery for charging; when the illumination is insufficient at night, the system current is reduced. The electromagnet is in loss of magnetism, the magnetic rod is separated from the electromagnet, the contact D and the contact E of the contactor are conducted, the auxiliary switch is disconnected, and the storage battery supplies power to the camera.
The invention has the beneficial effects that: the system can realize multiple functions such as on-line monitoring, fault alarming, trend analysis and the like, provide basis for equipment state analysis, and reduce SF (sulfur hexafluoride) in the power industry 6 Maintenance workload of the inflation apparatus; the on-site meter value and the real-time photo can be provided for manual confirmation, the occurrence of the meter error alarming condition is stopped, and the monitoring accuracy is greatly improvedSex; by adopting the self-designed image processing method, the dial plate of the synthesized comparison picture is a standard virtual instrument panel, and the pointer of the comparison picture is a pointer of the preprocessing image, so that the number pointed by the pointer and the early warning level area can be intuitively read, and the problems of unclear dial outline image and no scale obtained by adopting an edge detection algorithm are avoided.
Drawings
FIG. 1 shows an SF of the present invention 6 A flow chart of an intelligent on-line monitoring and early warning method for gas pressure.
FIG. 2 shows an SF of the present invention 6 The structure schematic diagram of the intelligent on-line monitoring and early warning system for the gas pressure.
FIG. 3 shows an SF of the present invention 6 The power supply device structure schematic diagram of the intelligent on-line monitoring and early warning system for gas pressure.
The figure indicates: 1-station DC power supply, 2-camera, 3-accumulator, 4-solar panel, 5-electromagnet, 6-spring, 61-conductive rod, 62-strut, 63-magnetic rod, 7-photoresistor, 8-regulating resistor, 9-contactor, 10-auxiliary switch, and,
The system comprises an image acquisition device, a mobile monitoring terminal, a cloud server, a controller and a power supply device, wherein the image acquisition device, the mobile monitoring terminal, the cloud server, the controller and the power supply device are respectively arranged in the image acquisition device, the mobile monitoring terminal, the cloud server and the power supply device.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples, it being understood that the detailed description herein is merely a preferred embodiment of the present invention, which is intended to illustrate the present invention, and not to limit the scope of the invention, as all other embodiments obtained by those skilled in the art without making any inventive effort fall within the scope of the present invention.
Examples: as shown in fig. 1, an SF 6 The intelligent on-line monitoring and early warning method for the gas pressure comprises the following steps:
s1, manufacturing a standard virtual instrument panel by an image processing unit, calibrating a reference point on the standard virtual instrument panel, and dividing the standard virtual instrument panel into a normal area, a low warning area, a high warning area and a dangerous area according to the early warning level.
And step S2, storing the manufactured standard virtual instrument panel image in an image storage unit.
Step S3, the cloud server 13 acquires a standard instrument panel image sent by the remote controller 14, the image processing unit preprocesses the standard instrument panel image, the preprocessed standard instrument panel image is stored in the image storage unit, and the storage address is automatically numbered;
the image processing unit preprocesses the standard instrument panel image comprises the following steps:
step S31, gaussian smoothing is carried out on an input standard instrument panel image, so that the error rate is reduced;
step S32, calculating the gradient amplitude and direction of the standard instrument panel image to estimate the edge intensity and direction at each point;
step S33, performing non-maximum suppression on the gradient amplitude according to the gradient direction so as to obtain a thinned edge;
and step S34, processing and connecting edges by using double thresholds to obtain a strong characteristic preprocessing image with the outlines of the dial plate, the pointer and the calibration points.
S4, the image comparison unit invokes the standard virtual instrument panel in the image storage unit and the preprocessed standard instrument panel image to be compared, a comparison picture is generated, a comparison result is sent to the result identification unit, and the comparison picture is sent to the image processing unit;
the step of generating the comparison picture comprises the following steps:
s41, eliminating image noise of non-dial plates, pointers and calibration points, and adjusting the dial plates of the preprocessed images to be a standard circle;
s42, the size of the standard virtual instrument panel image is adaptively adjusted to be matched with the preprocessed image, the direction of the standard virtual instrument panel image is adjusted to enable the calibration point to coincide with the reference point of the preprocessed image, a comparison picture is obtained, the dial plate of the comparison picture is the standard virtual instrument panel, the pointer of the comparison picture is the pointer of the preprocessed image, and the number pointed by the pointer and the early warning level area can be intuitively read.
And S5, processing the comparison picture by the image processing unit, establishing mapping of numbers corresponding to the pointers by adopting a Hough transformation image recognition algorithm, and sending the number results to storage addresses corresponding to the image storage unit.
And S6, the result identification unit judges the early warning level according to the comparison result and sends the early warning level to a storage address corresponding to the image storage unit.
SF (sulfur hexafluoride) 6 The intelligent online monitoring and early warning system for the gas pressure comprises an image acquisition device 11, a mobile monitoring terminal 12, a cloud server 13, a controller 14 and a power supply device 15;
the image acquisition device 11 is installed at SF 6 SF is collected on a gas density relay 6 Instrument panel image information of the gas density relay; is electrically connected with the controller 14, and the camera 2 is opposite to the SF 6 An instrument panel of the gas density relay; the image acquisition device 11 is composed of a light supplementing lamp and a camera 2, and the light supplementing lamp and the camera 2 are respectively and electrically connected with the controller 14. The controller 14 adopts different image acquisition strategies according to the light condition, and when the light is dark, the light environment for acquiring the image is provided for the camera 2 by matching with the light supplementing lamp, so that the acquired image is clear and effective.
As shown in fig. 2, an SF 6 The intelligent online monitoring and early warning system for the gas pressure comprises an image acquisition device 11, a mobile monitoring terminal 12, a cloud server 13, a controller 14 and a power supply device 15, wherein the controller 14 sends image information of an instrument panel to the cloud server 13 and is in communication connection with the cloud server 13; the controller 14 is composed of a main control chip, a memory and a GPRS communication module, wherein the memory and the GPRS communication module are respectively and electrically connected with the main control module
A power supply device 15 that supplies power to the controller 14 and the image pickup apparatus 11;
the cloud server 13 is configured to receive the dashboard image information sent by the controller 14, process, analyze and store the image information, send the result to the mobile monitoring terminal 12, and connect with the mobile monitoring terminal 12 in a communication manner, where the cloud server 13 is provided with an image processing unit, an image storage unit, an image comparison unit and a result authentication unit, and the acquired image is processed through the steps to obtain an accurate and visual image and a digital result;
a mobile monitoring terminal 12 for manager to retrieve and check SF at any time 6 Pressure data of the gas, and countermeasures are taken.
The image pickup device 11 has a light supplement lamp and a camera 2, and the light supplement lamp and the camera 2 are electrically connected to the controller 14, respectively. The controller 14 adopts different image acquisition strategies according to the light condition, and when the light is dark, the light environment for acquiring the image is provided for the camera 2 by matching with the light supplementing lamp, so that the acquired image is clear and effective.
As shown in fig. 3, the power supply device 15 includes a station dc power supply, a storage battery 3, a solar panel 4, an electromagnet 5, a spring 6, a photoresistor 7, a regulating resistor 8, a contactor 9 and an auxiliary switch 10, wherein one end of the station dc power supply 1 is electrically connected with one end of the auxiliary switch 10, the other end of the dc power supply is electrically connected with the camera 2, the other end of the auxiliary switch 10 is electrically connected with the other end of the camera 2, one end of the storage battery 3 is respectively electrically connected with one end of the camera 2 and one end of the solar panel 4, the other end of the storage battery 3 is electrically connected with a contact of the contactor 9, the other end of the solar panel 4 is electrically connected with a contact of the contactor 9, a coil is wound on the electromagnet 5, one end of the coil is electrically connected with one end of the regulating resistor 8 through a power supply, the other end of the regulating resistor 8 is electrically connected with one end of the photoresistor 7, the other end of the photoresistor 7 is electrically connected with the other end of the coil, and the electromagnet 5 realizes magnetic attraction with the contactor 9; the contactor 9 comprises four contacts, a conductive rod 61, a supporting rod 62, a spring 6 and a magnetic rod 63, wherein the lower end of the spring 6 is electrically connected with the magnetic rod 63, the lower end of the spring 6 is electrically connected with the conductive rod 61, the conductive rod 61 is arranged at the upper end of the supporting rod 62, the magnetic rod 63 is arranged at the lower end of the supporting rod 62, conductive sheets matched with the four contacts are arranged on the upper surface and the lower surface of the tail end of the conductive rod 61, the four contacts comprise a D contact, an E contact, an F contact and a G contact, the E contact and the G contact of the contactor 9 are respectively electrically connected with one end of the storage battery 3, the D contact of the contactor 9 is electrically connected with one end of the camera 2, and the F contact of the contactor 9 is electrically connected with one end of the solar panel 4.
In this embodiment, when the light is sufficient, the solar panel 4 charges the storage battery 3, the in-station dc power supply 1 provides the working power for the camera 2, and the storage battery 3 is used as the standby power for the camera 2; when the light is insufficient, the storage battery 3 provides working power for the camera 2, and at the moment, the direct current power supply 1 in the station is used as a standby power supply of the camera 2, so that all-weather power supply can be greatly ensured. The specific implementation principle is as follows: the resistance of the photoresistor 7 is reduced along with the enhancement of illumination intensity, when illumination is sufficient in a single day, the system current is increased, the electromagnet 5 excites the attraction magnetic rod 63, so that the F contact and the G contact of the contactor 9 are conducted, the auxiliary switch 10 is closed, the camera 2 is powered by a station direct current power supply, and a closed loop is formed by the solar panel 4 and the storage battery 3 for charging; when the illumination is insufficient at night, the system current is reduced. The electromagnet 5 loses magnetism, the magnetic rod 63 is separated from the electromagnet 5, the contact D and the contact E of the contactor 9 are conducted, the auxiliary switch 10 is disconnected, and the storage battery 3 supplies power to the camera 2.
The embodiment described above is an SF of the present invention 6 The preferred embodiment of the intelligent on-line monitoring and early warning method and system for gas pressure is not limited to the specific implementation range of the invention, and the scope of the invention includes but is not limited to the specific embodiment, and equivalent changes of the shape and structure according to the invention are all within the protection scope of the invention.
Claims (6)
1. An intelligent on-line monitoring and early warning method for SF6 gas pressure is characterized in that: the method comprises the following steps:
s1, manufacturing a standard virtual instrument panel by an image processing unit, calibrating a reference point on the standard virtual instrument panel, and dividing the standard virtual instrument panel into a normal area, a low warning area, a high warning area and a dangerous area according to early warning grades;
s2, storing the manufactured standard virtual instrument panel image in an image storage unit;
s3, the cloud server acquires a standard instrument panel image sent by the remote controller, the image processing unit preprocesses the standard instrument panel image, the preprocessed standard instrument panel image is stored in the image storage unit, and the storage address is automatically numbered;
s4, the image comparison unit is used for retrieving the standard virtual instrument panel in the image storage unit and comparing the standard instrument panel image with the preprocessed standard instrument panel image to generate a comparison picture, sending the comparison result to the result identification unit and sending the comparison picture to the image processing unit;
s41, eliminating image noise of non-dial plates, pointers and calibration points, and adjusting the dial plates of the preprocessed images to be a standard circle;
s42, adaptively adjusting the size of the standard virtual instrument panel image to enable the standard virtual instrument panel image to be matched with the preprocessed image, adjusting the azimuth of the standard virtual instrument panel image to enable the calibration point to coincide with the reference point of the preprocessed image, obtaining a comparison picture, wherein a dial of the comparison picture is the standard virtual instrument panel, and a pointer of the comparison picture is the pointer of the preprocessed image, so that the number pointed by the pointer and the early warning level area can be intuitively read;
s5, the image processing unit processes the comparison picture, establishes mapping of numbers corresponding to the pointers, and sends the digital results to storage addresses corresponding to the image storage unit;
and S6, the result identification unit judges the early warning level according to the comparison result and sends the early warning level to a storage address corresponding to the image storage unit.
2. The intelligent on-line monitoring and early warning method for SF6 gas pressure according to claim 1 is characterized in that:
the image processing unit preprocesses the standard instrument panel image comprises the following steps:
s31, gaussian smoothing is carried out on an input standard instrument panel image, so that the error rate is reduced;
s32, calculating the gradient amplitude and direction of the standard instrument panel image to estimate the edge strength and direction at each point;
s33, performing non-maximum suppression on the gradient amplitude according to the gradient direction so as to obtain a thinned edge;
s34, performing double-threshold processing and connecting edges to obtain a strong characteristic preprocessing image with the outlines of the dial plate, the pointer and the calibration points.
3. SF6 gas pressure intelligent on-line monitoring early warning system, characterized by including
The system comprises image acquisition equipment, a mobile monitoring terminal, a cloud server, a controller and a power supply device;
the image acquisition equipment is arranged on the SF6 gas density relay and is used for acquiring the image information of an instrument panel of the SF6 gas density relay; is electrically connected with the controller and is connected with the controller,
the controller sends the dashboard image information to the cloud server and is in communication connection with the cloud server;
the power supply device supplies power to the controller and the image acquisition equipment;
the cloud server is used for receiving the panel image information sent by the controller, processing, analyzing and storing the image information, sending the result to the mobile monitoring terminal and connecting the mobile monitoring terminal in a communication way;
the mobile monitoring terminal is used for a manager to retrieve and check the pressure data of SF6 gas at any time and make countermeasures;
the power supply device comprises a direct current power supply, a storage battery, a solar cell panel, an electromagnet, a spring, a photoresistor, a regulating resistor, a contactor and an auxiliary switch, wherein one end of the direct current power supply is electrically connected with one end of the auxiliary switch, the other end of the direct current power supply is electrically connected with the camera, the other end of the auxiliary switch is electrically connected with the other end of the camera, one end of the storage battery is electrically connected with the camera and one end of the solar cell panel respectively, the other end of the storage battery is electrically connected with a contact of the contactor, the other end of the solar cell panel is electrically connected with the contact of the contactor, a coil is wound on the electromagnet, one end of the coil is electrically connected with one end of the regulating resistor through the direct current power supply, the other end of the regulating resistor is electrically connected with one end of the photoresistor, and the electromagnet is magnetically attracted with the contactor.
4. The intelligent on-line monitoring and early warning system for SF6 gas pressure according to claim 3, wherein the controller comprises a main control chip, a memory and a GPRS communication module, and the memory and the GPRS communication module are respectively and electrically connected with the main control module.
5. The intelligent on-line monitoring and early warning system for SF6 gas pressure according to claim 3 or 4, wherein the image acquisition equipment is provided with a light supplementing lamp and a camera, and the light supplementing lamp and the camera are respectively and electrically connected with the controller.
6. The SF6 gas pressure intelligent on-line monitoring early warning system according to claim 5, wherein the contactor comprises four contacts, a conductive rod, a supporting rod, a spring and a magnetic rod, the lower end of the spring is electrically connected with the conductive rod, the conductive rod is arranged at the upper end of the supporting rod, the magnetic rod is arranged at the lower end of the supporting rod, conductive sheets matched with the four contacts are arranged on the upper surface and the lower surface of the tail end of the conductive rod, the four contacts comprise a D contact, an E contact, an F contact and a G contact, the E contact and the G contact of the contactor are respectively electrically connected with one end of a storage battery, the D contact of the contactor is electrically connected with one end of a camera, and the F contact of the contactor is electrically connected with one end of a solar panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010910811.0A CN112307887B (en) | 2020-09-02 | 2020-09-02 | SF (sulfur hexafluoride) 6 Intelligent on-line monitoring and early warning method and system for gas pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010910811.0A CN112307887B (en) | 2020-09-02 | 2020-09-02 | SF (sulfur hexafluoride) 6 Intelligent on-line monitoring and early warning method and system for gas pressure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112307887A CN112307887A (en) | 2021-02-02 |
| CN112307887B true CN112307887B (en) | 2023-04-21 |
Family
ID=74483729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010910811.0A Active CN112307887B (en) | 2020-09-02 | 2020-09-02 | SF (sulfur hexafluoride) 6 Intelligent on-line monitoring and early warning method and system for gas pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112307887B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113180771B (en) * | 2021-05-29 | 2022-08-26 | 吉林大学 | Heart radiography postoperative is with wound pressure device with regularly add decompression function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091922A (en) * | 2014-05-04 | 2015-11-25 | 广东工业大学 | Virtual watch plate based pointer reading identifying method |
| CN109544628A (en) * | 2018-11-23 | 2019-03-29 | 福州大学 | A kind of the accurate reading identifying system and method for pointer instrument |
| KR101978602B1 (en) * | 2018-05-25 | 2019-05-14 | 안동대학교 산학협력단 | System for recognition a pointer of an analog instrument panel and method thereof |
| CN110874596A (en) * | 2019-11-06 | 2020-03-10 | 中国石油大学(北京) | Intelligent recognition early warning method and system for instrument |
| CN111414934A (en) * | 2020-01-21 | 2020-07-14 | 国网浙江省电力有限公司湖州供电公司 | Pointer type meter reading automatic identification method based on fast R-CNN and U-Net |
| CN111428659A (en) * | 2020-03-27 | 2020-07-17 | 京东方科技集团股份有限公司 | Pointer positioning method and device and instrument |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040100422A (en) * | 2003-05-23 | 2004-12-02 | 삼성전자주식회사 | Apparatus and method for sensing status of vehicle |
-
2020
- 2020-09-02 CN CN202010910811.0A patent/CN112307887B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091922A (en) * | 2014-05-04 | 2015-11-25 | 广东工业大学 | Virtual watch plate based pointer reading identifying method |
| KR101978602B1 (en) * | 2018-05-25 | 2019-05-14 | 안동대학교 산학협력단 | System for recognition a pointer of an analog instrument panel and method thereof |
| CN109544628A (en) * | 2018-11-23 | 2019-03-29 | 福州大学 | A kind of the accurate reading identifying system and method for pointer instrument |
| CN110874596A (en) * | 2019-11-06 | 2020-03-10 | 中国石油大学(北京) | Intelligent recognition early warning method and system for instrument |
| CN111414934A (en) * | 2020-01-21 | 2020-07-14 | 国网浙江省电力有限公司湖州供电公司 | Pointer type meter reading automatic identification method based on fast R-CNN and U-Net |
| CN111428659A (en) * | 2020-03-27 | 2020-07-17 | 京东方科技集团股份有限公司 | Pointer positioning method and device and instrument |
Non-Patent Citations (1)
| Title |
|---|
| 王陈喜 等；.《基于光电和无线传输技术的SF6 断路器在线监测系统研究》.《电子设计工程》.2017, * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112307887A (en) | 2021-02-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102662114B (en) | Wireless locomotive pantograph state monitoring system based on image processing and method thereof | |
| CN106570947A (en) | Electric power facility intelligent inspection system and method | |
| CN109193446A (en) | Full perception detection and the inspection operational system of Distribution Network Equipment | |
| KR100915328B1 (en) | Emergency disaster alarm system including the built-in disaster-factor measuring apparatus capable of self-diagnosis | |
| CN103499774A (en) | Electricity transmission insulator arc-over on-line monitoring and safety early-warning device | |
| CN204794351U (en) | Thing networking smart power grids fortune is holded together all | |
| CN205265368U (en) | Transmission line operation and maintenance management field data application apparatus | |
| CN203396898U (en) | Insulator discharge detection device | |
| CN110336379A (en) | Transformer Substation Online Monitoring System and terminal device based on Internet of Things | |
| CN111680606A (en) | Low-power-consumption water level remote measuring system based on artificial intelligence cloud identification water gauge | |
| CN112307887B (en) | SF (sulfur hexafluoride) 6 Intelligent on-line monitoring and early warning method and system for gas pressure | |
| CN203759160U (en) | Integrated intelligent monitoring system of transformer station | |
| CN113485432A (en) | Photovoltaic power station electroluminescence intelligent diagnosis system and method based on unmanned aerial vehicle | |
| CN106191873B (en) | A kind of oil-gas pipeline cathodic protection intelligent detection device and its working method | |
| CN108872689A (en) | A kind of UHVDC Transmission Lines electroscopic device based on feature electric and magnetic fields | |
| CN112308248A (en) | Monitoring and managing system and method for power transmission line tower | |
| CN112379225A (en) | Power equipment corona identification and evaluation alarm system and use method thereof | |
| CN219018540U (en) | Multi-dimensional state detection equipment for switch cabinet | |
| CN114882682B (en) | High-voltage cable state monitoring platform and monitoring method | |
| CN110188786A (en) | A kind of robot graphics' recognizer for tank-type lightning arrester leakage current | |
| CN114283330B (en) | Online inspection identification method and system based on multi-source data | |
| CN109839568A (en) | Transmission line malfunction diagnostic system based on zero-sequence current detection | |
| CN114006471A (en) | Substation direct current system monitoring method and system | |
| CN209086965U (en) | The unattended instrument and meter image identification system of substation | |
| CN208224377U (en) | A kind of distribution transformer operating status on-line monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |