Disclosure of Invention
1. Technical problem to be solved
According to the temperature anomaly monitoring system for the power distribution network, through the arrangement of the light guide array, when the power distribution station has the temperature anomaly rising phenomenon, the intelligent air charging assembly charges the light guide array, so that the left and right adjacent parts of the light guide array are gradually contacted and conducted with each other, on one hand, when the light guide array is locally conducted, the laser beam is blocked, the signal is fed back to the control center, the first early warning of the temperature anomaly of the power distribution network is achieved, on the other hand, the light guide array is completely conducted along with the time extension, the external early warning lamp is lightened, the second early warning is achieved through the change, the early warning effect of the temperature anomaly change in the power distribution network is better due to the double early warning, in addition, after the second early warning, staff can quickly reduce the range of the temperature anomaly according to lamplight, the time required by the hot spot investigation is greatly reduced, the influence expansion caused by the abnormal high temperature is effectively avoided, and the potential safety hazard is reduced.
Technical proposal
In order to solve the problems, the invention adopts the following technical scheme.
The utility model provides a temperature anomaly monitoring system of distribution network, includes control center, control center signal connection has distribution module, monitoring module and early warning module, distribution module includes a plurality of substations, monitoring module includes a plurality of continuous temperature transmitter and the high definition digtal camera of installing respectively on the substation, early warning module includes a plurality of light guide arrays, multiunit and light guide array assorted intelligence inflation component, laser instrument and warning light that correspond respectively with a plurality of substations, high definition digtal camera, continuous temperature transmitter, intelligence inflation component and laser instrument all are connected with control center signal, the light guide array is including installing at the safety cover of substation inner wall, a plurality of quiet polished rod that lead of mutual interval distribution respectively and move the polished rod, quiet polished rod and move the polished rod all to be located the safety cover, be connected with quiet cluster wire on the polished rod that moves, intelligence inflation component and quiet polished rod all fixed mounting are at the power distribution station inner wall, and the inflation end of intelligent inflation component communicates with each other with moving the polished rod lower extreme.
Furthermore, each light guide array is located in the shooting range of the high-definition camera, and the light guide array is located in the optimal view angle of the nearest high-definition camera.
Furthermore, every warning light on the light guide array is provided with two, and one warning light is located outside the safety cover, and another warning light is located the safety cover, and two warning lights are parallelly connected, the safety cover is made for transparent high temperature resistant flame retardant material.
Furthermore, the alarm lamp, the plurality of static light guide rods and the movable light guide rod are mutually connected in series, and the two static light guide rods at the edge are electrically connected with the power distribution station.
Further, the static light guide rod comprises a vertical rod fixed to the inner wall of the power distribution station and a static gas connecting ball fixedly connected to the end portion of the vertical rod, a light passing hole is drilled in the middle of the static gas connecting ball, and the emitting end and the receiving end of the laser are located on the same straight line with the center line of the light passing hole on the plurality of static light guide rods.
Further, both ends are the plane setting about the quiet gas even ball, quiet cluster wire connects on the plane, quiet cluster wire includes two quiet metal contact pieces and quiet wire that are located straight terminal surface respectively, both ends are all fixed to inlay on quiet gas even ball plane about the quiet wire, quiet wire middle part activity runs through the pole setting, and quiet metal contact piece contacts with quiet wire tip.
Further, the conducting end of the static wire is in an open annular structure along the opening part of the light passing hole, the open annular part is fixedly inlaid on the surface of the static gas connecting ball and protrudes out of the surface, and a plurality of supporting rods are connected between the static metal contact piece and the surface of the static gas connecting ball.
Further, move the light guide rod and include the connecting tube and the area line bag of fixed connection in the connecting tube upper end with intelligent inflation component intercommunication, area line bag includes the light-resistant hemisphere fixed with the connecting tube and the light-resistant hemisphere of fixed connection in light-resistant hemisphere upper end, move the cluster wire and attach at light-resistant hemisphere surface.
Further, the light-shielding hemisphere is of a transparent elastic structure, and the light-shielding hemisphere is of a non-transparent elastic structure.
Further, the movable string wire comprises a plurality of follow-up wires which are electrically connected with each other and a follow-up contact piece which is fixedly connected with one end of the follow-up wire, which is close to the middle part of the strip wire bag, the outer end of the light-proof hemisphere is fixedly connected with a plurality of groups of limiting rods which are respectively corresponding to the follow-up wires, the follow-up wires movably penetrate through the limiting rods, and the follow-up wires between two adjacent limiting rods are in a folded shape.
Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) According to the scheme, when the power distribution station is subjected to abnormal temperature rise, the intelligent air charging assembly charges the light guide array, the left and right adjacent parts of the light guide array are gradually contacted and conducted, on one hand, when the light guide array is locally conducted, the laser beams are blocked, the signals are fed back to the control center, the first early warning of abnormal temperature of the transformer substation is achieved, on the other hand, the light guide array is completely conducted along with the time extension, the external early warning lamp is lightened, the second early warning is achieved through the change, the early warning effect of abnormal temperature change in the transformer substation in the power distribution network is better due to double early warning, in addition, after the second early warning, workers can quickly reduce the range of abnormal temperature according to lamplight, the time required by hot spot investigation is greatly shortened, the influence expansion caused by abnormal high temperature is effectively avoided, and potential safety hazards are reduced.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, based on the embodiments of the present invention, and all other embodiments obtained by those skilled in the art without making any inventive effort are within the scope of the present invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and include, for example, "connected to," whether fixedly connected to, detachably connected to, or integrally connected to, mechanically connected to, electrically connected to, directly connected to, indirectly connected to, and in communication with each other via an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Examples
Referring to fig. 1, a temperature anomaly monitoring system of a power distribution network comprises a control center, wherein the control center is in signal connection with a power distribution module, a monitoring module and an early warning module, the power distribution module comprises a plurality of substations, the monitoring module comprises a plurality of continuous temperature transmitters and high-definition cameras which are respectively installed on the substations, the early warning module comprises a plurality of light guide arrays, a plurality of intelligent inflation assemblies, a laser 3 and an alarm lamp 2, wherein the light guide arrays, the intelligent inflation assemblies, the laser 3 and the high-definition cameras are respectively corresponding to the plurality of substations, and the continuous temperature transmitters, the intelligent inflation assemblies and the laser 3 are in signal connection with the control center.
Each light guide array is located in the shooting range of the high-definition camera, and the light guide array is located in the optimal view angle of the high-definition camera closest to the light guide array, so that the change of the light guide array can be shot clearly, workers can conveniently narrow the range of the temperature anomaly according to image information, the investigation time is shortened, the processing speed of the temperature anomaly is improved, and potential safety hazards are greatly reduced.
And setting a threshold value in the continuous temperature transmitter according to the requirement, wherein the threshold value represents the temperature difference change detected in unit time, and when the temperature difference change exceeds the threshold value, feeding back the signal to a control center, and controlling the intelligent inflation assembly to inflate by the control center.
As shown in fig. 3, when the intelligent inflatable modules of each group are inflated one by one along the direction far away from the laser receiving end, the shielding of the light of the laser 3 and the lighting of the alarm lamp 2 are two separate processes, so that the early warning presents two stages, and the early warning effect is better.
The temperature difference of the distribution stations is 3-5 degrees when the two adjacent intelligent inflation assemblies are inflated, the temperature of the distribution stations is not higher than the highest safe operation temperature when the last intelligent inflation assembly is inflated, and the temperature difference of the two intelligent inflation assemblies is not more than 5 ℃.
And then the emission distance of light on the laser 3 can approximately reflect the temperature condition of the power distribution station, so that the staff can judge the emergency of abnormal temperature of the power distribution station according to the early warning of the laser beam length of the laser 3, and the staff can be effectively ensured to carry out corresponding countermeasures in time.
Referring to fig. 2, a shows the inner wall of a transformer, b shows an intelligent inflation assembly, the light guide array comprises a protection cover 1 installed on the inner wall of a transformer substation, a plurality of static light guide rods 4 and movable light guide rods 5 which are distributed at intervals, the static light guide rods 4 and the movable light guide rods 5 are all located in the protection cover 1, static serial wires are connected to the static light guide rods 4, movable serial wires 8 are connected to the movable light guide rods 5, the intelligent inflation assembly and the static light guide rods 4 are fixedly installed on the inner wall of a power distribution station, and the inflation end of the intelligent inflation assembly is communicated with the lower end of the movable light guide rods 5.
The warning light 2 on every light guide array all is provided with two, one warning light 2 is located outside the safety cover 1, another warning light 2 is located in the safety cover 1, and two warning lights 2 are parallelly connected, safety cover 1 is made for transparent high temperature resistant fire retardant material, inside quiet light guide pole 4 and the movable light guide pole 5 of safety cover 1 effective protection, make when unexpected conflagration, smog is great, inside each part of safety cover 1 can be damaged relatively later this moment, when carrying out artificial fire control measure such as putting out a fire, inside warning light 2 still is in the state of lighting, can early warn the source of generating heat, the faster elimination phenomenon of being convenient for fires.
Alarm lamp 2 and a plurality of quiet light guide pole 4 and move light guide pole 5 and establish ties each other, and two quiet light guide pole 4 of edge all with distribution substation electric connection, when inflating and make a plurality of quiet light guide pole 5 all expand and with adjacent quiet light guide pole 4 contact, a plurality of quiet light guide pole 4 and move light guide pole 5 and be switched on, make alarm lamp 2 give out light, realize the early warning of secondary.
Referring to fig. 5, the static light guide rod 4 includes a vertical rod 41 fixed to the inner wall of the power distribution station and a static gas connecting ball 42 fixedly connected to the end of the vertical rod 41, a light passing hole 7 is cut in the middle of the static gas connecting ball 42, the emitting end and the receiving end of the laser 3 are located on the same straight line with the central lines of the light passing holes 7 on the static light guide rods 4, so that the laser emitted by the laser 3 can be effectively ensured to pass through the static light guide rods 4 to reach the receiving end, when the intelligent inflation assembly begins to inflate, the dynamic light guide rod 5 expands to gradually shield the laser beam emitted by the laser 3, the length of the laser beam is shorter and shorter, and the operator can conveniently judge the emergency degree of abnormal internal temperature.
The static air is connected the ball 42 and is controlled both ends and be the plane setting, be convenient for move the steady contact of the eastern cluster wire on the polished rod 5 and the quiet cluster wire on the polished rod 4 of quiet, compare in the sphere, effectively avoid the poor condition of contact to take place, quiet cluster wire connects on the plane, quiet cluster wire includes two quiet metal contact pieces 61 and quiet wire 62 that are located the plane terminal surface respectively, both ends are all fixed to inlay on the plane of static air is connected ball 42 about quiet wire 62, quiet wire 62 middle part activity runs through pole setting 41, and quiet metal contact piece 61 contacts with quiet wire 62 tip.
As shown in fig. 6, the conducting end of the static wire 62 is in an open annular structure along the opening of the light passing hole 7, and the open annular part is fixedly embedded on the surface of the static air connecting ball 42 and protrudes out of the surface, and a plurality of supporting rods are connected between the static metal contact piece 61 and the surface of the static air connecting ball 42, so that a certain gap is formed on the back surface of the static metal contact piece 61, heat dissipation is facilitated, and heat generated at the contact point can be timely overflowed when the movable light guide rods 5 and 6 are conducted.
Referring to fig. 7-8, the movable light guide rod 5 includes a connecting tube 51 connected with the intelligent inflatable module and a belt wire bag fixedly connected to the upper end of the connecting tube 51, the belt wire bag includes a light-shielding hemisphere 522 fixed to the connecting tube 51 and a light-passing hemisphere 521 fixedly connected to the upper end of the light-shielding hemisphere 522, and the movable string wire 8 is attached to the outer surface of the light-shielding hemisphere 522.
The light-shielding hemisphere 521 is transparent elastic structure, and the light-shielding hemisphere 522 is non-transparent elastic structure, and when moving light-guiding rod 5 inflation to conflict safety cover 1 inner wall and two adjacent quiet light-guiding rods 4, the diameter of light-shielding hemisphere 522 is greater than its original diameter, and light-shielding hemisphere 522 is higher than the position of laser beam this moment, realizes the shielding to the laser beam, and at initial inflation in-process, has not expanded or the inflation is less, and light-shielding hemisphere 521 is difficult to shelter from the laser beam, and then makes external staff more accurate to temperature anomaly's judgement according to the length of laser beam.
The movable wire 8 comprises a plurality of follow-up wires 81 which are electrically connected with each other and a follow-up contact piece 82 which is fixedly connected with one end of the follow-up wire 81, which is close to the middle part of the belt wire bag, the plurality of follow-up contact pieces 82 are arranged, the situation that the static wire 4 and the movable wire 5 are difficult to be conducted due to the uncertain angle caused by the expansion of the movable wire 5 is effectively avoided, the plurality of groups of limiting rods 9 which are respectively corresponding to the follow-up wires 81 are fixedly connected with the outer ends of the light-shielding hemispheres 522, the follow-up wires 81 movably penetrate through the limiting rods 9, the follow-up wires 81 between two adjacent limiting rods 9 are in a folded shape, the whole movable wire 8 can extend along with the expansion of the belt wire bag, so that the movable wire 8 can be close to the static metal contact piece 61 and contact with the static wire 4, the conduction of the static wire 4 and the movable wire 5 is effectively ensured, and the alarm lamp 2 can be lightened to realize early warning.
Through the arrangement of the light guide array, as shown in fig. 3-4, when the abnormal temperature rise phenomenon occurs in the power distribution station, the intelligent air charging assembly charges the light guide array, so that the left and right adjacent parts of the light guide array are gradually contacted with each other to be conducted and connected in series, on one hand, when the light guide array is locally conducted, the laser beam is blocked to feed back the signal to the control center, the first early warning of abnormal temperature of the transformer substation is realized, on the other hand, the light guide array is completely conducted along with the time extension, the external early warning lamp is lightened, the second early warning is realized through the change, the double early warning enables the early warning effect on abnormal temperature change in the transformer substation in the power distribution network to be better, in addition, after the second early warning, the range of abnormal temperature can be quickly reduced by workers according to lamplight, the time required by the investigation of the abnormal temperature occurrence point is greatly reduced, the processing speed of abnormal temperature condition is improved, the influence expansion caused by abnormal high temperature is effectively avoided, and the potential safety hazard is greatly reduced.
The above description is only of the preferred embodiments of the present invention, but the protection scope of the present invention is not limited thereto, any person skilled in the art should be able to make equivalent substitutions or modifications according to the technical solution and the modified concept thereof within the scope of the present invention.