CN112925690A - Two-position switch state switching speed multifunctional display system - Google Patents
Two-position switch state switching speed multifunctional display system Download PDFInfo
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Abstract
The invention provides a double-position switch state switching speed multifunctional display system, which comprises: the device comprises an equipment matching unit, a state acquisition unit, a rate calculation unit, an action curve drawing unit and a table display unit. The invention provides two modes of action curve chart and table display to display the change of the switching speed of the two-position disconnecting link, combines dynamic display and static display, visualizes the switching speed of the two-position disconnecting link, is easy to analyze the switching action of the disconnecting link and reduces the occurrence of power grid safety faults.
Description
Technical Field
The invention belongs to the technical field of equipment monitoring, and particularly relates to a double-position disconnecting link state switching rate multifunctional display system.
Background
The double-position disconnecting link is an isolating switch in a disconnecting link contact mode, one end of the double-position disconnecting link is in a switching-on phase, the other end of the double-position disconnecting link is in a switching-off phase, and the middle state of the double-position disconnecting link is in an initial state. As the main isolating device of transformer substation, the switch can because the life-span influence, can appear drive mechanism corrosion, card pause scheduling problem, leads to the state to switch the lag even switch failure, so open and shut the action monitoring to the switch and keep apart very important, even indispensable to electric power system circuit.
In the prior art, each of the switching positions of the disconnecting link is provided with a state acquisition sensor, when the disconnecting link leaves or reaches the corresponding state position, the state is reported to a receiving device in time by the sensors, the switching state of the disconnecting link is obtained after the receiving device carries out logic calculation on the state of each phase, the switching state is reported to a monitoring background system according to the position change SOE, and the switching state is analyzed, so that the fault problem of the disconnecting link is monitored.
However, the speed of the two-position disconnecting link is also an important factor to be considered, and especially, many existing disconnecting links are set to automatically control opening and closing, and the opening and closing speed affects the subsequent action time, for example, when the disconnecting link needs to be emergently opened to ensure safety, if the speed is too slow, the adverse effect is generated.
Disclosure of Invention
The invention provides a multifunctional display system for the switching speed of a double-position disconnecting link, which is characterized in that the speed of the double-position disconnecting link at a certain position in the switching operation is statistically analyzed according to the time interval of the change of a sampling value, and the speed is displayed in a graphic curve and table mode, so that the state of disconnecting link equipment is known in more detail, and the fault analysis is facilitated.
The invention provides a double-position switch state switching speed multifunctional display system, which comprises:
the equipment matching unit is used for selecting the collected two-position disconnecting link and configuring the stroke information of the disconnecting link;
the state acquisition unit is used for connecting a state sensor at the on-off position of the two-position disconnecting link, and the state sensor acquires an action signal of the two-position disconnecting link changing from an intermediate state to an on state or an off state;
the speed calculation unit is used for calculating the action speed of the state switching of the two-position disconnecting link through the time interval of the change of the action signal;
the action curve drawing unit is used for drawing a curve by taking time as an abscissa and taking action speed as an ordinate;
and the table display unit is used for displaying the unique identifier of the disconnecting link, the action starting time and the action ending time, the opening and closing state when the action is ended, the stroke and the calculation speed.
Further, the table display unit includes:
and the display configuration module is used for configuring and displaying the latest acquisition times, the alarm threshold value and the qualified floating percentage of the speed.
Further, the table display unit further includes:
and the threshold warning module is used for warning when the set collection times are out of the upper and lower floating percentage ranges of the warning threshold.
Further, the system further comprises:
and the filtering display module is used for setting to display only the speed of the on-off switch, only the speed of the off-off switch or the speeds of the on-off switch and the off-off switch.
Further, in the rate calculation unit, the calculated rate is used as the action rate of all time points in the corresponding time interval.
Further, the system further comprises:
the acquisition point adding unit is used for filtering according to the area, the station and the site name, and selectively adding the acquired double-position disconnecting link;
and the multi-curve display unit is used for displaying the action rates of the added collection points through a plurality of curves, the curves are set to display the action curve values of the latest N times, and N is a natural number greater than 0.
Further, in the speed calculation unit, the action speed is the travel of the two-position knife switch divided by the time interval of the action change.
Further, the system further comprises: and the stroke filtering unit is used for marking and eliminating the action signals of which the strokes are not in the preset qualified range in the state acquisition unit.
The beneficial effect of the invention is that,
the multifunctional display system for the state switching rate of the double-position disconnecting link, provided by the invention, provides two modes of displaying the change of the switching rate of the double-position disconnecting link, combines dynamic display and static display, makes up the vacancy of analyzing the switching rate of the disconnecting link in the aspect of monitoring the state of the double-position disconnecting link, visualizes the switching rate of the double-position disconnecting link, is easy to analyze the switching action of the disconnecting link and reduces the occurrence of safety faults of a power grid.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic block diagram of a system of one embodiment of the present invention.
Fig. 2 is a diagram of an apparatus matching interface according to an embodiment of the present invention.
Fig. 3 is a device configuration interface diagram according to an embodiment of the present invention.
Fig. 4 is a graph of the operation provided by the embodiment of the present invention.
Fig. 5 is a collection point adding interface diagram provided in the embodiment of the present invention.
Fig. 6 is a multi-graph after addition according to an embodiment of the present invention.
Fig. 7 is a display configuration diagram according to an embodiment of the present invention.
FIG. 8 is a table display provided by an embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all 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.
Example 1
The present embodiment provides a dual-position switch status switching speed multifunctional display system, which includes:
the equipment matching unit is used for selecting the collected two-position disconnecting link and configuring the stroke information of the disconnecting link;
the state acquisition unit is used for connecting a state sensor at the on-off position of the two-position disconnecting link, and the state sensor acquires an action signal of the two-position disconnecting link changing from an intermediate state to an on state or an off state;
the speed calculation unit is used for calculating the action speed of the state switching of the two-position disconnecting link through the time interval of the change of the action signal;
the action curve drawing unit is used for drawing a curve by taking time as an abscissa and taking action speed as an ordinate;
the table display unit is used for displaying the unique identifier of the disconnecting link, the action starting time and the action ending time, the opening and closing state when the action is ended, the stroke and the calculation speed;
and the filtering display module is used for setting to display only the speed of the on-off switch, only the speed of the off-off switch or the speeds of the on-off switch and the off-off switch.
In the embodiment, two modes of displaying the change of the switching rate of the two-position disconnecting link are provided, namely an action curve chart and a table display, and the dynamic display and the static display are combined, so that the vacancy of analyzing the switching rate of the disconnecting link in the aspect of monitoring the state of the two-position disconnecting link is made up.
In this embodiment, the table display unit includes:
the display configuration module is used for configuring and displaying the latest acquisition times, the alarm threshold value and the qualified floating percentage of the speed; the threshold warning module is used for warning when the collection times are out of the upper and lower floating percentage ranges of the warning threshold;
in this embodiment, a table-type dual-position switch switching rate display is also provided, a reasonable threshold value is set, a certain floatable range is provided, and a warning is given to a dual-position switch with an unqualified rate.
While displaying
In this embodiment, in the speed calculation unit, the action speed is a time interval obtained by dividing a stroke of the two-position knife switch by a change of the action. In this embodiment, the stroke of the two-position knife switch may be the circumferential length of the switch, for example, in the period from "2019-10-0913: 58:02: 123" to "2019-10-0913: 58:07: 435", the stroke is 5.6, and the obtained speed is 1.05422;
in this embodiment, in the rate calculation unit, the calculated rate is used as the action rate at all time points in the corresponding time interval. For example, in the interval "2019-10-0913: 58:02: 123" to "2019-10-0913: 58:07: 435", the calculated rate is 1.05422, and then the rates at all time points in this interval are 1.05422.
Example 2
The present embodiment provides a dual-position switch state switching speed multifunctional display system, and the present embodiment adds on the basis of embodiment 1: the device comprises a collecting point adding unit and a multi-curve display unit; the acquisition point adding unit is used for filtering according to the area, the station and the site name, selecting and adding the acquired double-position disconnecting link; the multi-curve display unit is used for displaying the action rates of the added collection points through a plurality of curves, the curves are set to display the action curve values of the latest N times, and N is a natural number greater than 0.
The embodiment provides the function that a plurality of dibit switches compare and carry out the curve show, for example the dibit switches of the same regional different websites are compared, and the influence of analysis website to dibit switch speed gives follow-up analysis more objective show way through the contrast display, has improved the user experience sense and the scientific rationality of system.
Example 3
The present embodiment provides a dual-position switch state switching speed multifunctional display system, and the present embodiment adds on the basis of embodiment 3: and the stroke filtering unit is used for marking and eliminating the action signals of which the strokes are not in the preset qualified range in the state acquisition unit. According to the embodiment, the fault conditions that some switching is not in place are prevented from being collected into the system, the stroke is filtered in advance, data with unqualified stroke are removed and marked, the data are sent to a worker for fault removal, and the accuracy of switching rate calculation is improved.
To facilitate understanding of the system, in the present embodiment, the operation of a dual-position switch-state switching-rate multifunctional display system is described as follows.
1. As shown in fig. 2, in the device matching unit, primary device information is selected, and trip information corresponding to the device is configured;
2. configuring data according to the diagram as shown in fig. 3, configuring data points to be collected and stored, where the device name needs to be associated with the device table and configure the device travel, and the data type needs to be a dibit type in this embodiment;
3. clicking an action speed curve generation button to enter an action curve interface, as shown in fig. 4, displaying and filtering the last state at the upper right corner, displaying only data of combined operation in a 'combined' mode, displaying only data of divided operation in a 'divided' mode, displaying both the data and the divided operation in a constant mode, presenting action curves in different states through clicking selection, conveniently comparing, finding the difference of operation rates, and further analyzing the state of the disconnecting link;
4. clicking an add collection point button, entering an add collection point interface, as shown in fig. 5, and filtering and selecting a two-position disconnecting link to be collected according to areas, stations and point names;
5. after the addition is completed, a plurality of curves are displayed, the effect is shown in fig. 6, and the curves show the values of the action curves of the latest N times;
6. clicking a configuration button, and configuring an interface figure 7 to configure and display the latest acquisition times, the alarm threshold and the floating percentage; wherein, the collection times within the range of the percentage of fluctuation of the alarm threshold value represents that the switching rate of the double-position disconnecting link is normal, and other conditions represent that the switching rate of the double-position disconnecting link is abnormal, and then an alarm is sent to the staff;
7. the table tab page is selected to be used as a table display module, as shown in fig. 8, the upper right corner has the display filtering of the last state (the data only displaying the combination operation is combined, the data only displaying the sub operation is divided, and both data are always displayed). The calculation is normal within the range of the upper and lower floating percentages of the alarm threshold, and other abnormal conditions can clearly show the calculation data through table display, so that more objective data analysis is provided.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A dual-position switch state switching speed multifunctional display system is characterized by comprising:
the equipment matching unit is used for selecting the collected two-position disconnecting link and configuring the stroke information of the disconnecting link;
the state acquisition unit is used for connecting a state sensor at the on-off position of the two-position disconnecting link, and the state sensor acquires an action signal of the two-position disconnecting link changing from an intermediate state to an on state or an off state;
the speed calculation unit is used for calculating the action speed of the state switching of the two-position disconnecting link through the time interval of the change of the action signal;
the action curve drawing unit is used for drawing a curve by taking time as an abscissa and taking action speed as an ordinate;
and the table display unit is used for displaying the unique identifier of the disconnecting link, the action starting time and the action ending time, the opening and closing state when the action is ended, the stroke and the calculation speed.
2. The dual position switch state switching rate multi-function display system of claim 1, wherein said table display unit comprises:
and the display configuration module is used for configuring and displaying the latest acquisition times, the alarm threshold value and the qualified floating percentage of the speed.
3. The dual position switch state switching rate multi-function display system of claim 2, wherein said table display unit further comprises:
and the threshold warning module is used for warning when the set collection times are out of the upper and lower floating percentage ranges of the warning threshold.
4. The dual position knife gate state switching rate multi-functional display system of claim 1, further comprising:
and the filtering display module is used for setting to display only the speed of the on-off switch, only the speed of the off-off switch or the speeds of the on-off switch and the off-off switch.
5. The dual-position switch state switching rate multifunctional display system of claim 1, wherein in the rate calculation unit, the calculated rate is used as the action rate of all time points in the corresponding time interval.
6. The dual position knife gate state switching rate multi-functional display system of claim 1, further comprising:
the acquisition point adding unit is used for filtering according to the area, the station and the site name, and selectively adding the acquired double-position disconnecting link;
and the multi-curve display unit is used for displaying the action rates of the added collection points through a plurality of curves, the curves are set to display the action curve values of the latest N times, and N is a natural number greater than 0.
7. The dual-position switch state switching rate multifunctional display system of claim 1, wherein in the rate calculation unit, the action rate is the travel of the dual-position switch divided by the time interval of action change.
8. The dual position knife gate state switching rate multi-functional display system of claim 1, further comprising: and the stroke filtering unit is used for marking and eliminating the action signals of which the strokes are not in the preset qualified range in the state acquisition unit.
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