CN112100544B - Spare power automatic switching installation device and spare power automatic switching action logic monitoring technology visualization method - Google Patents
Spare power automatic switching installation device and spare power automatic switching action logic monitoring technology visualization method Download PDFInfo
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Abstract
The invention discloses a spare power automatic switching installation device and a spare power automatic switching action logic monitoring technology visualization method, which comprise the following steps: replacing an outlet pressing plate of a 110KV spare power automatic switching device tripping 110KV line breaker with a double-loop hard pressing plate; after the double-loop hard pressing plate receives signals, the pressing plate position signals are connected into a public measurement and control device through a secondary cable and uploaded to an automatic main station system; and then, drawing a 110KV tidal current diagram of the power grid by using the automatic main station system, and monitoring the operation of the system by adjusting a WEB page in the automatic main station system to check the 110KV tidal current diagram in real time by an operator, wherein the operator can check the 110KV tidal current diagram and the 110KV spare power automatic switching operation mode in real time by adjusting the WEB page of the automatic main station system in real time, so that the actual monitoring can be realized, the potential safety hazard in operation and maintenance management work can be timely discovered and dealt with, and the safe operation of the power grid is ensured.
Description
Technical Field
The invention relates to the technical field of spare power automatic switching of transformer substations, in particular to a spare power automatic switching installation device and a spare power automatic switching action logic monitoring technology visualization method.
Background
The transformer substation spare power automatic switching device is important technical equipment for improving power supply reliability, the most core action logic of the device is related to the current operation mode of a power grid in real time, only transformer maintainers can be familiar with and master the action logic of each spare power automatic switching device, the monitoring technology is not visualized, and if operation and maintenance management is not in place, the spare power automatic switching device can be refused to operate and malfunction, and a power grid accident event can be caused.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and title of the application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The invention is provided in view of the problems of the visualization method of the operation logic monitoring technology of the existing backup automatic switching device.
Therefore, the invention aims to provide a backup power automatic switching action logic monitoring technology visualization method.
In order to solve the technical problems, the invention provides the following technical scheme: a visualization method for an action logic monitoring technology of a spare power automatic switching device comprises the following steps: replacing an outlet pressing plate of a 110KV spare power automatic switching device tripping 110KV line breaker with a double-loop hard pressing plate; after the double-loop hard pressing plate receives signals, the pressing plate position signals are connected into a public measurement and control device through a secondary cable and uploaded to a ground adjustment automatic master station system; and then, drawing a 110KV tidal current diagram of the power grid by using the automatic main station system, and monitoring the system operation by checking the 110KV tidal current diagram in real time through a WEB page in the local dispatching automatic main station system by an operator.
As a preferable scheme of the visualization method for the backup power automatic switching operation logic monitoring technology, the method comprises the following steps: the steps further include: and displaying and monitoring the regional power grid operation mode and the load distribution condition by using a 110KV tidal current diagram, and preparing for visualization of spare power automatic switching operation.
As a preferable scheme of the backup power automatic switching operation logic monitoring technology visualization method of the present invention, the method comprises: the steps further include: a '110 KV backup power automatic switching' thermosensitive link is newly added on a 110KV current diagram, and the following steps are added in the link: the 110KV is converted into a spare power automatic switching action logic description and a real-time position of a double-loop hard pressing plate.
As a preferable scheme of the visualization method for the backup power automatic switching operation logic monitoring technology, the method comprises the following steps: the steps further include: and recording formal setting books and remark description information of the 110 KV-to-spare power automatic switching into a 110KV tidal current diagram in advance.
The spare power automatic switching installation device comprises a device main body, a spare power automatic switching installation device and a spare power automatic switching installation device, wherein the device main body comprises a case, a support frame arranged on the outer side of the case and a double-loop hard pressing plate arranged on the outer side of the support frame; the support assembly comprises a plurality of supports arranged on the support frame, first support cross rods connected to the inner sides of the two oppositely arranged supports in a sliding manner, and second support cross rods arranged on the inner sides of the other two oppositely arranged supports, one side of each first support cross rod is connected with the outer side of the second support cross rod in a sliding manner, and elastic parts are arranged between the first support cross rod and the supports and between the second support cross rod and the supports; and the linkage assembly is arranged between the first supporting cross rod and the second cross rod.
As a preferable aspect of the backup power automatic switching installation device of the present invention, wherein: the linkage assembly comprises a first rotary table arranged in the support frame, a plurality of rotary rods and a chuck, wherein the rotary rods are rotatably connected to the first rotary table, the chuck is arranged at the lower end of the support frame, the front ends of the rotary rods are hinged to a first supporting cross rod and a second supporting cross rod respectively, the chuck is arranged at the center of the first rotary table, a connecting rod is rotatably connected to the chuck, one end, far away from the first rotary table, of each rotary rod is connected with the connecting rod, and a driving part for driving the first rotary table to rotate is arranged in the support frame.
As a preferable aspect of the backup power automatic switching installation device of the present invention, wherein: be equipped with the guide rail on the chuck, outwards stretch out on first support horizontal pole and the second support horizontal pole have with the guide rail card pole of being connected that slides, the swing arm rotates with the card pole to be connected, swing arm and connecting rod shape are the arc, and curved depressed part all is towards first carousel internal direction.
As a preferable aspect of the backup power automatic switching installation device of the present invention, wherein: the driving part comprises gear teeth arranged on the peripheral wall of the first rotating disc, a gear arranged in the support frame and a driving motor arranged in the support frame, and the driving motor is connected with the gear.
As a preferable scheme of the spare power automatic switching installation device, the spare power automatic switching installation device comprises: the connecting rod rotates the junction with the chuck and is fixed with the pivot, the pivot upwards stretches out, the winding is provided with the stay cord in the pivot, it is connected with the depression bar to rotate on the chuck, the vertical setting in depression bar rotation plane, the depression bar lower extreme is provided with the elastic component of drive depression bar lower extreme inside wobbling, the stay cord other end sets up at the depression bar lower extreme.
As a preferable aspect of the backup power automatic switching installation device of the present invention, wherein: and a groove for matching the end head of the rotating rod is formed in the chuck.
The invention has the beneficial effects that: an operator can check the 110KV tidal current diagram and the 110KV spare power automatic switching operation mode in real time through a WEB page of the automatic main station system, and then can actually monitor, find and dispose potential safety hazards in operation and maintenance management work in time and ensure safe operation of a power grid.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced 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 based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic overall structure diagram of a visualization method of the backup power automatic switching device action logic monitoring technology of the present invention.
Fig. 2 is a schematic diagram of an internal structure of the visualization method for monitoring the operation logic of the backup power automatic switching device according to the present invention.
Fig. 3 is an explosion diagram of the compression bar structure according to the visualization method for monitoring the operation logic of the backup power automatic switching device.
Fig. 4 is a schematic view of a connection structure of a rotating rod and a connecting rod according to the visualization method of the operation logic monitoring technology of the backup power automatic switching device of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Furthermore, the present invention is described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional view illustrating the structure of the device is not enlarged partially according to the general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Example 1
Referring to fig. 1, a backup power automatic switching operation logic monitoring technology visualization method includes the following steps: the method is characterized in that an outlet pressing plate of a 110 KV-to-spare power automatic switching device 110KV line circuit breaker is replaced by a double-loop hard pressing plate, a single loop is arranged in front of the hard pressing plate connected in series on an action tripping loop of the spare power automatic switching device, only one outlet tripping function can be limited, and a remote signaling common end cannot share a control power supply common end of the outlet tripping, so that position remote signaling is realized, the double-loop pressing plate is replaced to realize simultaneous switching and simultaneous reversing of a signal loop and a control loop, the spare power automatic switching device realizes tripping through the control loop to a circuit breaker mechanism through the tripping outlet pressing plate, and monitoring of the switching position of the pressing plate is realized through switching and reversing of the double-loop pressing plate.
And then after the double-loop hard pressing plate receives signals, the pressing plate position signals are accessed into a public measurement and control device through a secondary cable and uploaded to a ground to regulate an automatic master station system, the position signals of the pressing plate are imported into a public end through public measurement and control remote communication and are led out to return to an import point of the public measurement and control device through the double-loop pressing plate so as to monitor the position of the tripping pressing plate, and the measurement and control device mainly adopts public measurement and control and mainly is a digital-to-analog conversion device of remote communication and remote measurement signals.
Then, an operator utilizes a 110KV tidal current diagram to display and monitor the distribution condition of the regional power grid operation mode and load, preparation is made for visualization of spare power automatic switching operation, a thermosensitive link of '110 KV-to-spare power automatic switching' is newly added on the 110KV tidal current diagram, and the thermosensitive link is added: the logic description of the 110 KV-to-spare power automatic switching operation and the real-time position of the double-loop hard pressing plate draw a 110KV tidal current diagram of a power grid by using an automatic master station system, and then formal setting books and remark description information of the 110 KV-to-spare power automatic switching are pre-recorded into the 110KV tidal current diagram.
An operator checks a 110KV tide flow graph in real time through a WEB page in an automatic master station system, the automatic master station system is a system used by a southern power grid and monitors the operation of the system, the 110KV tide flow graph mainly counts data obtained after tide calculation, the tide calculation is one of the most basic calculations in power system analysis, and the task of the tide flow graph is to determine the operation state of the system according to given operation conditions, such as voltage (amplitude and phase angle) on each bus, power distribution and power loss in a network and the like.
The load flow calculation is to determine the voltage and power distribution of each part in the system by a certain method, reasonably plan the power supply capacity and access points, reasonably plan the net rack and select a reactive compensation scheme in the power grid planning stage through the load flow calculation, so as to meet the requirements of load flow exchange control, peak regulation, phase regulation and voltage regulation in a large and small mode of the planning level.
An operator can check the 110KV tide flow graph and the 110KV spare power automatic switching operation mode in real time through a WEB page of the automatic main station system, and then the operation mode can be monitored actually, potential safety hazards in operation and maintenance management work can be found and dealt with timely, and safe operation of a power grid is guaranteed.
Example 2
Referring to fig. 1 to 4, the spare power automatic switching installation device includes a device main body 100 including a chassis 101, a support frame 102 disposed outside the chassis 101, and a double-circuit hard pressing plate disposed outside the support frame 102; the supporting assembly 200 comprises a plurality of brackets 201 arranged on the supporting frame 102, first supporting cross bars 202 connected to the inner sides of two oppositely arranged brackets 201 in a sliding manner, and second supporting cross bars 203 arranged on the inner sides of the other two oppositely arranged brackets 201, wherein one side of each first supporting cross bar 202 is connected to the outer side of the second supporting cross bar 203 in a sliding manner, and elastic members 407 are arranged between the first supporting cross bar 202 and the brackets 201, and between the second supporting cross bars 203 and the brackets 201; and a linkage assembly 300, the linkage assembly 300 is arranged between the first support cross bar 202 and the second cross bar, the linkage assembly 300 comprises a first turntable 301 arranged in the support frame 102, a plurality of rotary rods 302 rotatably connected to the first turntable 301 and a chuck 303 arranged at the lower end of the support frame 102, the front ends of the rotary rods 302 are respectively hinged with the first support cross bar 202 and the second support cross bar 203, wherein the chuck 303 is arranged at the center of the first rotary disc 301, a connecting rod 304 is rotatably connected on the chuck 303, one end of the rotary rod 302, which is far away from the first rotary disc 301, is connected with the connecting rod 304, a driving part 400 for driving the first rotary disc 301 to rotate is arranged in the supporting frame 102, a guide rail 305 is arranged on the chuck 303, the first support cross bar 202 and the second support cross bar 203 are extended outwards with clamping bars 306 which are connected with the guide rails 305 in a sliding way, the rotary rod 302 is rotatably connected with the clamping rod 306, the rotary rod 302 and the connecting rod 304 are arc-shaped, the concave parts of the arc shapes face the inner direction of the first rotary disc 301, the driving part 400 comprises gear teeth 401 arranged on the outer peripheral wall of the first rotary disc 301, a gear 402 arranged in the supporting frame 102 and a driving motor 403 arranged in the supporting frame 102, the driving motor 403 is connected with the gear 402, a rotating shaft 404 is fixed at the rotating connection position of the connecting rod 304 and the chuck 303, the rotating shaft 404 extends upwards, a pull rope 405 is wound on the rotating shaft 404, a pressure lever 406 is rotatably connected to the chuck 303, the rotating plane of the pressure lever 406 is vertically arranged, the lower end of the pressing rod 406 is provided with an elastic member 407 for driving the lower end of the pressing rod 406 to swing inward, the other end of the pulling rope 405 is arranged at the lower end of the pressing rod 406, and the chuck 303 is provided with a groove 408 (not shown in the figure) for matching the end of the rotating rod 302.
Specifically, the main structure of the present invention includes a device main body 100, in this embodiment, the device main body 100 includes a chassis 101, a support frame 102 is disposed outside the chassis 101, the support frame 102 is in a flat plate shape, and is disposed at a lower end of the chassis 101 for supporting the chassis 101, and a dual-circuit hard pressure plate is further connected to two sides of the support frame 102 in an outward extending manner.
Meanwhile, the main body of the present invention further includes a support assembly 200, the support assembly 200 is mainly used for stably installing and supporting the chassis 101, in this embodiment, the support assembly 200 includes a plurality of brackets 201 disposed on the support frame 102, in this embodiment, the number of the brackets 201 is 4, the brackets are respectively disposed on four straight sides of the support frame 102 and are disposed in parallel with four sides of the support frame 102, 4 brackets 201, each two brackets 201 disposed correspondingly are in a group, wherein a first support cross bar 202 is connected to one group of the brackets 201, the first support cross bar 202 is disposed along the length direction of the bracket 201 and is parallel to the length direction of the bracket 201, the first support cross bar 202 is slidably connected to the support frame 102, then a second support cross bar 203 is further disposed on the other group of the brackets 201, the second support cross bar 203 is also slidably connected to the support frame 102 and is parallel to the length direction of the bracket 201, then the right side wall of each first support cross bar 202 is slidably connected to the outer side wall of the second support cross bar 203, and the arrangement makes the first support cross bar 202 and the second support bar 203 abut against each other when the second support bar 203 is displaced, and further approach each other, so as to clamp the central space of the chassis 101.
Further, a linkage assembly 300 is further disposed between the first support cross bar 202 and the second cross bar, the linkage assembly 300 includes a groove formed in the support frame 102, a first rotating disc 301 is rotatably connected in the groove, a rotating plane of the first rotating disc 301 is horizontally disposed, the first rotating disc 301 is circular, the center is hollow, a chuck 303 is further disposed at the center of the first rotating disc 301, the chuck 303 is fixed in the groove, the chuck 303 and the first rotating disc 301 are concentrically disposed, four rotating rods 302 are rotatably connected to the first rotating disc 301, the four rotating rods 302 are circumferentially arranged and disposed corresponding to each of the first support cross bar 202 and the second support cross bar 203, the rotating rods 302 are arc-shaped, arc-shaped notches are disposed toward the chuck 303, a guide rail 305 is further disposed on the chuck 303, the guide rail 305 is disposed along a radial direction of the chuck 303, meanwhile, a clamping rod 306 is further slidably connected in the guide rail 305, the number of the guide rail 305 and the clamping rod 306 corresponds to the number of the rotating rods 302, a rear end of the clamping rod 306 rotates with a front end of the rotating rod 302, the first support cross bar 302 is connected with the second support cross bar 202, and the second support cross bar 202 moves outwards when the first support cross bar 202 and the second cross bar 302 slides outwards, the second support cross bar 306, and the second cross bar 306 slides outwards when the first support cross bar 203 and slides towards the second cross bar 203.
Furthermore, in order to complete the outward swinging or inward swinging of the rotating rod 302, it is necessary to limit, a connecting rod 304 is further rotatably connected to a position of the chuck 303 close to the rotating rod 302, the other end of the connecting rod is hinged to the rotating rod 302, a driving part 400 for driving the first rotating disc 301 to rotate is further provided in the support frame 102, in this embodiment, the driving part 400 includes gear teeth 401 formed on the outer peripheral wall of the first rotating disc 301, a gear 402 engaged with the gear teeth 401 is further rotatably connected in the support frame 102, the rotating plane of the gear 402 is horizontally arranged, a driving motor 403 (not shown in the figure) is further provided in the support frame 102, and the driving motor 403 is connected to a rotating shaft 404 of the gear 402, so as to drive the rotation of the gear 402.
Further, the connecting rod 304 is rotatably connected to the chuck 303, and further a rotating shaft 404 is disposed on the connecting rod 304, a hole for the rotating shaft 404 to rotatably connect is formed in the chuck 303, and meanwhile, a pressing rod 406 is rotatably connected to a position of the chuck 303 close to the hole, a rotating plane of the pressing rod 406 is vertically disposed, the pressing rod 406 can be pressed on a side wall of the case 101 after rotating, and then in order to control the swinging of the pressing rod 406 by using the swinging of the rotating rod 302, an elastic member 407 is further disposed at a lower end of the pressing rod 406, in this embodiment, the elastic member 407 is an extension spring and is disposed along a horizontal direction, and further the lower end of the pressing rod 406 can be driven to move toward the center of the chuck 303, and then a pulling rope 405 is further disposed on the rotating shaft 404, and the other end of the pulling rope 405 passes through the elastic member 407 and is connected to the lower end of the pressing rod 406, when the connecting rod 304 rotates in a forward direction, the forward direction of the rotating shaft 404 can drive the rotating shaft 404, and then the pulling rope 405 can wind around the rotating shaft 404, and then can pull the lower end of the pressing rod 406, so that the upper end of the pressing rod 406 is close to the case 101, and complete clamping.
The operation process is as follows: when the case 101 is clamped, an operator firstly puts the case 101 on the support frame 102, then the operator starts the driving motor 403, so that the driving motor 403 positively rotates, then drives the gear 402 to rotate, then drives the first rotary disc 301 to rotate, after the first rotary disc 301 rotates, the rotary rod 302 is pulled, the rotary rod moves along with the first rotary disc 301, then one end of the rotary rod 302 close to the guide rail 305 moves outwards along with the first rotary disc 301, then under the limitation of the connecting rod 304, one end of the rotary rod 302 far away from the first rotary disc 301 swings inwards, so that the clamping rod 306 is pushed, the clamping rod 306 drives the first supporting cross rod 202 and the second supporting cross rod 203 to clamp the case 101, then the connecting rod 304 swings along with the connecting rod, so that the rotary shaft 404 is driven to rotate, after the rotary shaft 404 rotates, the pull rope 405 is pulled to tighten, so that the lower end of the press rod 406 is pulled, so that the upper end of the press rod 406 is close to the case 101, and then the case 101 is clamped; the unlocking operation can be carried out vice versa, the operation can be more convenient and simpler by the arrangement of the automatic spare power switching device, the installation can be ensured at the right position, meanwhile, the automatic spare power switching device with different models and sizes can be installed on the whole device due to the arrangement of the first supporting cross rod 202 and the second supporting cross rod 203, and the adaptability to the installation is improved.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (1)
1. A visualization method for a backup power automatic switching action logic monitoring technology is characterized by comprising the following steps: the method comprises the following steps:
the outlet pressing plate of the 110 KV-to-spare power automatic switching device tripping 110KV line circuit breaker is replaced by a double-loop hard pressing plate, the spare power automatic switching device trips to a circuit breaker mechanism through a control loop through the tripping outlet pressing plate, and the common measurement and control realizes monitoring of the tripping position of the pressing plate through the tripping of the double-loop pressing plate;
after the double-loop hard pressing plate receives signals, pressing plate position signals are accessed into a public measurement and control device through a secondary cable and uploaded to adjust an automatic master station system, the position signals of the pressing plate are led out through a public measurement and control remote communication open-in public end and returned to an open-in point of the public measurement and control device through the double-loop pressing plate to monitor the position of a tripping pressing plate, and the measurement and control device is a digital-to-analog conversion device for remote communication and remote measurement signals;
then, an automatic main station system is used for drawing a 110KV power grid tidal current diagram, an operator checks the 110KV tidal current diagram in real time through a WEB page in the automatic main station system by local adjustment, the system operation is monitored, the 110KV tidal current diagram is used for displaying and monitoring the regional power grid operation mode and the load distribution condition, preparation is made for visualization of spare power automatic switching operation, a 110 KV-to-spare power automatic switching thermosensitive link is newly added on the 110KV tidal current diagram, and the link is internally added with: the logic description of the 110 KV-to-spare power automatic switching operation and the real-time position of the double-loop hard pressing plate draw a 110KV tidal current diagram of a power grid by using an automatic master station system, and then formal setting books and remark description information of the 110 KV-to-spare power automatic switching are pre-recorded into the 110KV tidal current diagram.
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