CN113933669B - Intelligent insulation detection system for online IT system - Google Patents
Intelligent insulation detection system for online IT system Download PDFInfo
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- CN113933669B CN113933669B CN202111545401.1A CN202111545401A CN113933669B CN 113933669 B CN113933669 B CN 113933669B CN 202111545401 A CN202111545401 A CN 202111545401A CN 113933669 B CN113933669 B CN 113933669B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
Abstract
The invention relates to the technical field of power grid safety monitoring, in particular to an online IT system insulation intelligent detection system, which comprises an induction module based on an IT system, an induction switching module, an alarm display module and a central processing unit; the induction module takes a group of current sensors for collecting the grounding circulation of the cable sheath as a carrier; the induction switching module takes a switching device as a carrier, and the induction switching device can be communicated with two groups of conducting strips at different positions through the rotation of a turntable in the switching box when working; the alarm display module takes a buzzer and a display screen as carriers; according to the invention, the induction switching module is arranged in the intelligent insulation detection system, when one current sensor is damaged and fails, the other current sensor can continue to work by controlling the operation of the switching device, so that the circulating current monitoring of the cable sheath can be stably and continuously carried out, and the safety of the cable in operation is improved.
Description
Technical Field
The invention relates to the technical field of power grid safety monitoring, in particular to an online IT system insulation intelligent detection system.
Background
The metal sheath of the high-voltage cable is an important component of the cable, when the cable core passes through current, circulation can be generated on the metal sheath, and the abnormal phenomenon of sheath circulation can be caused by poor insulation state of the outer sheath, poor grounding, incorrect grounding mode of the metal sheath and the like, so that the operation safety of the cable is seriously threatened.
A chinese patent with publication number CN204789736U discloses an intelligent monitoring device for cable insulation, which comprises a main controller, a current sensor connected with the main controller respectively for collecting cable sheath grounding circulation, an alarm current threshold input button, an audible and visual alarm lamp and a collection status display screen. This patent adopts high accuracy current sensor to detect high voltage power cable's leakage current, possesses higher measurement accuracy and stronger interference killing feature, and accessible input button or host computer set up the alarm current threshold value, and when monitoring the electric current and being greater than the alarm current threshold value that sets up, the sound and light alarm lamp starts and realizes reporting to the police, reminds the staff in time to overhaul, reduces the fault rate, reduces equipment outage time.
However, when the circulation of the cable sheath is monitored in the above-mentioned technology, since the single current sensor is provided, when the current sensor is damaged and fails due to long-term operation, a worker is required to repair or replace the sensor, and the circulation monitoring operation of the cable sheath cannot be performed continuously during the period, so that the cable is prone to malfunction and cannot be effectively monitored.
Therefore, the intelligent insulation detection system for the online IT system is provided for solving the problems.
Disclosure of Invention
To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.
The technical scheme adopted by the invention for solving the technical problems is as follows: an intelligent insulation detection system for an on-line IT system comprises an induction module based on the IT system, an induction switching module, an alarm display module and a central processing unit;
the induction module takes a group of current sensors for collecting the grounding circulation of the cable sheath as a carrier, is connected with the central processing unit and can transmit collected information to the central processing unit;
the induction switching module takes a switching device as a carrier, and the switching device can be communicated with two groups of conducting strips at different positions through the rotation of a turntable in the switching box when working, so that different current sensors are controlled to monitor the circulating current of the cable sheath; when one current sensor is damaged and fails, the other current sensor can continue to work by controlling the operation of the switching device, so that the circulating current monitoring of the cable sheath can be stably and continuously carried out, and the safety of the cable in operation is improved.
The alarm display module takes a buzzer and a display screen as carriers, the alarm display module is connected with the central processing unit, and the central processing unit can display information transmitted by the current sensor through the display screen and control the buzzer to give an alarm according to the received information.
Preferably, the system also comprises an automatic control module, the automatic control module takes a controller as a carrier, the automatic control module is connected with the central processing unit and the induction switching module, and the automatic control module can control the automatic operation of the induction switching module according to information transmitted by the central processing unit; therefore, the induction switching module is not required to be controlled manually, the work of the induction switching module can be carried out intelligently, and the condition that the work of the induction switching module is not timely caused by human factors is reduced.
Preferably, the system further comprises a power supply module, wherein the power supply module takes a solar cell panel and a storage battery which are connected with each other as carriers, and the storage battery can supply power to the induction module, the induction switching module, the alarm display module and the central processing unit based on the IT system; solar cell panel can be with solar energy conversion electric energy storage in the battery for when the above-mentioned power supply system based on IT system's response module, response switching module, warning display module broke down, the battery can supply power for whole module temporarily, reduces detecting system and lacks the electricity because of having a power failure, leads to the unable stable condition that lasts going on of circulation monitoring of cable sheathing.
Preferably, the switching device comprises a cylindrical switching box, a rotating assembly is arranged in the middle of the switching box, a turntable is connected to the rotating assembly, an arc-shaped plate is arranged on the side wall of the turntable, an elastic part is connected between the arc-shaped plate and the side wall of the turntable, a slide bar which is connected with the arc-shaped plate in a sliding manner is fixedly connected to the side wall of the turntable at a position corresponding to the arc-shaped plate, a group of first conducting plates are embedded and mounted at the end part of the arc-shaped plate, first electric wires which are connected with a power supply are connected to the first conducting plates, a group of arc-shaped grooves which are uniformly distributed in an annular manner and matched with the arc-shaped plate are formed in the side wall inside the switching box, a group of second conducting plates are embedded and mounted in the arc-shaped grooves, and second electric wires which are connected with the current sensors are connected to the second conducting plates; in the prior art, when the circulation of the cable sheath is monitored, a single current sensor is often arranged, when the current sensor is damaged and fails due to long-time work, workers are required to maintain or replace the sensor, and the circulation monitoring work of the cable sheath can not be carried out continuously in the period, so that the cable is easy to break down and can not be effectively monitored; when the switching device works, a plurality of current sensors are arranged side by side at a detection point of a cable, the arc-shaped plate is clamped into one arc-shaped groove under the action of the elastic piece, and the first conducting piece and the second conducting piece of the arc-shaped plate are communicated, at the moment, the current sensor communicated with a power supply can monitor the circulating current of a cable sheath, when the current sensor breaks down, the rotating assembly drives the arc-shaped plate to rotate, so that the arc-shaped plate slides relatively on the sliding rod under the extrusion of the arc-shaped groove and can slide into the adjacent arc-shaped grooves, and the current sensors connected at the adjacent arc-shaped grooves are communicated with the power supply, thereby realizing the seamless connection monitoring of the cable sheath by the current sensors, simultaneously, a plurality of groups of current sensors can be connected with the total first electric wire through the switching device, and each current sensor is not required to be provided with an independent loop and a controller, therefore, the monitoring cost and the failure rate of the monitoring device during working are reduced.
Preferably, the rotating assembly comprises an electromagnet, the rotary table is arranged in a ring shape and is rotationally connected with the switching box, the inner wall of the rotary table corresponding to the arc-shaped groove is rotationally connected with a traction plate through a torsion spring, the electromagnet is arranged on one side of the outer end of one traction plate and can attract the traction plate, a limit block is fixedly connected to the inner wall of the rotary table corresponding to one side of the traction plate along the rotation direction of the rotary table, and the traction plate is extruded and attached to the limit block under the action of the torsion spring at the end part; when the current sensor that needs to switch over the difference carries out the during operation, the electro-magnet can pass through instantaneous work this moment, exert instantaneous effort to the traction plate of one side, because the effect of stopper, make the traction plate under the appeal of electro-magnet, arc clockwise on the drive carousel rotates to adjacent arc wall department, simultaneously when traction plate outer end motion to electro-magnet department, the traction plate outer end can clockwise rotate under the extrusion of electro-magnet, reduce the interference of electro-magnet to the traction plate, this rotating assembly compares in electric component such as traditional motor structure simpler, and life is superior to subassembly such as motor, switching device has improved stability and validity at the during operation.
Preferably, the elastic piece is an elastic expansion bag, a sliding cavity for a sliding rod to pass through is formed in the middle of the expansion bag, and the first wire penetrates through the inside of the sliding rod; the heat that an electric wire during operation sent can drive the synchronous inflation of flexible bag through the slide bar to the inside gas heating of flexible bag, makes its inside gas after the inflation to make the flexible bag can be more powerful press the arc inside the arc wall, make two sets of conducting strips can be more stable firm laminating connection, stability when having improved circuit connection.
Preferably, graphite powder is filled between the sliding cavity on the telescopic bag and the sliding rod; the graphite powder that sets up can transmit the more efficient conduction of heat to the expansion capsule department on the slide bar with an electric wire, has improved the inflation effect of expansion capsule, and the graphite powder also can play lubricated effect to the relative motion of slide bar and sliding chamber simultaneously, reduces both relative motion's resistance.
Preferably, the outer surface of the arc-shaped plate, which is attached to the arc-shaped groove, is provided with an annular sealing bag, the sealing bag is communicated with the telescopic bag through an air pipe, the inner wall of the arc-shaped groove is provided with an annular groove matched with the sealing bag, and the width of a notch of the section of the annular groove is gradually reduced from inside to outside; when the arc and arc looks block, the arc can drive the less sealed capsule of volume and insert in the ring channel, along with the inside gaseous inflation of flexible bag, the sealed capsule also can be synchronous inflation thereupon, and with it the inseparable laminating of lateral wall under the spacing of ring channel, thereby can play the effect of protection to two conducting strips of intercommunication, reduce the condition that two conducting strips wet and pollute, the sealed capsule of mutual block simultaneously also can play certain fixed effect to the arc with the ring channel, further reduce the arc and rock in the arc, lead to the condition of two conducting strips contact failure.
Preferably, the arc-shaped plates, the sliding rods and the elastic pieces are uniformly distributed in a ring shape relative to the axis of the rotary table and correspond to the arc-shaped grooves one by one; when the arc that is provided with a conducting strip matches with the arc, remaining arc can cooperate with remaining arc one by one to can play the effect of shutoff protection to No. two conducting strips on the arc, reduce No. two conducting strips and suffer the condition that dust steam damaged because of the outside that exposes for a long time.
Preferably, one side of the arc-shaped groove along the rotation direction of the turntable is provided with a groove, a pressing bag is connected inside the groove, the side wall of the switching box at one side of the pressing bag is connected with a nozzle, the nozzle is communicated with the pressing bag through a connecting pipe, and the side wall of the arc-shaped plate at one side of the pressing bag is connected with a pressing block capable of extruding the pressing bag; when the arc rotates clockwise, the arc can pass through the briquetting and impress the nozzle with the gas in the pressure bag to switch incasement wall that the arc will slide is cleared up through nozzle spun air current, reduces the arc and is slideing in-process adhesion impurity, leads to it to bring impurity into next arc wall, and then makes two sets of conducting strips on arc and the arc wall take place the condition of contact failure.
The invention has the following beneficial effects:
1. according to the invention, the induction switching module is arranged in the intelligent insulation detection system, when one current sensor is damaged and fails, the other current sensor can continue to work by controlling the operation of the switching device, so that the circulating current monitoring of the cable sheath can be stably and continuously carried out, and the safety of the cable in operation is improved.
2. According to the invention, the seamless connection monitoring of the current sensors on the cable sheath is realized by arranging the switching device, meanwhile, a plurality of groups of current sensors can be connected with the total first electric wire through the switching device, and an independent loop and a controller are not required to be arranged on each current sensor, so that the monitoring cost and the failure rate of the monitoring device during working are reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a system block diagram of the present invention;
FIG. 2 is a perspective view of the switching device of the present invention;
FIG. 3 is a schematic diagram of the switching device of the present invention;
FIG. 4 is an enlarged view at A in FIG. 3;
FIG. 5 is a schematic partial structure diagram of a switching device according to a second embodiment of the present invention;
in the figure: the device comprises a switching box 1, a rotary table 2, an arc-shaped plate 3, an elastic part 4, a sliding rod 5, a first conducting plate 6, a first electric wire 7, an arc-shaped groove 8, a second conducting plate 9, a second electric wire 10, an electromagnet 11, a traction plate 12, a limiting block 13, graphite powder 14, a sealing bag 15, an air pipe 16, an annular groove 17, a groove 18, a pressing bag 19, a nozzle 20, a connecting pipe 21 and a pressing block 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the intelligent insulation detection system for an on-line IT system according to the present invention includes an induction module based on the IT system, an induction switching module, an alarm display module, and a central processing unit;
the induction module takes a group of current sensors for collecting the grounding circulation of the cable sheath as a carrier, is connected with the central processing unit and can transmit collected information to the central processing unit;
the induction switching module takes a switching device as a carrier, and the switching device can be communicated with two groups of conducting strips at different positions through the rotation of a rotary disc 2 in a switching box 1 when working, so that different current sensors are controlled to monitor the circulating current of a cable sheath; when one current sensor is damaged and fails, the other current sensor can continue to work by controlling the operation of the switching device, so that the circulating current monitoring of the cable sheath can be stably and continuously carried out, and the safety of the cable in operation is improved.
The alarm display module takes a buzzer and a display screen as carriers, the alarm display module is connected with the central processing unit, and the central processing unit can display information transmitted by the current sensor through the display screen and control the buzzer to give an alarm according to the received information.
The system also comprises an automatic control module, wherein the automatic control module takes a controller as a carrier, is connected with the central processing unit and the induction switching module, and can control the automatic operation of the induction switching module according to information transmitted by the central processing unit; therefore, the induction switching module is not required to be controlled manually, the work of the induction switching module can be carried out intelligently, and the condition that the work of the induction switching module is not timely caused by human factors is reduced.
The system also comprises a power supply module, wherein the power supply module takes a solar cell panel and a storage battery which are connected with each other as carriers, and the storage battery can supply power to the induction module, the induction switching module, the alarm display module and the central processing unit based on the IT system; solar cell panel can be with solar energy conversion electric energy storage in the battery for when the above-mentioned power supply system based on IT system's response module, response switching module, warning display module broke down, the battery can supply power for whole module temporarily, reduces detecting system and lacks the electricity because of having a power failure, leads to the unable stable condition that lasts going on of circulation monitoring of cable sheathing.
The first embodiment is as follows:
referring to fig. 2-4, the switching device includes a cylindrical switching box 1, a rotating component is disposed in the middle of the switching box 1, the rotating assembly is connected with a turntable 2, the side wall of the turntable 2 is provided with an arc-shaped plate 3, an elastic part 4 is connected between the arc-shaped plate 3 and the side wall of the turntable 2, and the side wall of the turntable 2 is fixedly connected with a slide bar 5 which is connected with the arc-shaped plate 3 in a sliding way at the position corresponding to the arc-shaped plate 3, a group of first conducting strips 6 are embedded at the end part of the arc-shaped plate 3, a first wire 7 connected with a power supply is connected on the first conducting strips 6, a group of arc-shaped grooves 8 which are uniformly distributed in a ring shape and matched with the arc-shaped plates 3 are arranged on the side wall in the switching box 1, a group of second conducting strips 9 are embedded in the arc-shaped groove 8, and second electric wires 10 connected with each current sensor are connected to the second conducting strips 9; in the prior art, when the circulation of the cable sheath is monitored, a single current sensor is often arranged, when the current sensor is damaged and fails due to long-time work, workers are required to maintain or replace the sensor, and the circulation monitoring work of the cable sheath can not be carried out continuously in the period, so that the cable is easy to break down and can not be effectively monitored; when the switching device works, a plurality of current sensors are arranged side by side at a detection point of a cable, the arc-shaped plate 3 is clamped into one arc-shaped groove 8 under the action of the elastic piece 4, the first conducting piece 6 and the second conducting piece 9 of the arc-shaped plate are communicated, the current sensor communicated with a power supply can monitor the circulating current of a cable sheath, when the current sensor breaks down, the rotating assembly drives the arc-shaped plate 3 to rotate, so that the arc-shaped plate 3 slides relatively on the sliding rod 5 under the extrusion of the arc-shaped groove 8 and can slide into the adjacent arc-shaped grooves 8, the current sensors connected at the adjacent arc-shaped grooves 8 are communicated with the power supply, the seamless connection monitoring of the cable sheath by the current sensors is realized, meanwhile, a plurality of groups of current sensors can be connected with the first electric wire 7 through the switching device, and each current sensor is not required to be provided with an independent loop and a controller, therefore, the monitoring cost and the failure rate of the monitoring device during working are reduced.
The rotating assembly comprises an electromagnet 11, the rotary table 2 is arranged in a ring shape and is rotationally connected with the switching box 1, the inner wall of the rotary table 2 corresponding to the arc-shaped groove 8 is rotationally connected with a traction plate 12 through a torsion spring, the electromagnet 11 is arranged on one side of the outer end of one traction plate 12 and can attract the traction plate 12, a limiting block 13 is fixedly connected to the inner wall of the rotary table 2 corresponding to one side of the traction plate 12 in the rotating direction of the rotary table 2, and the traction plate 12 is extruded and attached to the limiting block 13 under the action of the torsion spring at the end part; when the different current sensor that needs to be switched carries out the during operation, electro-magnet 11 can be through transient work this moment, exert transient effort to the traction plate 12 of one side, because stopper 13's effect, make traction plate 12 under electro-magnet 11's appeal, 3 clockwise rotations to adjacent arc wall 8 departments of arc on the drive carousel 2, simultaneously when traction plate 12 outer end moves to electro-magnet 11 department, 12 outer ends of traction plate can clockwise rotate under electro-magnet 11's extrusion, reduce the interference of electro-magnet 11 to traction plate 12, this rotating assembly is compared in electric components such as traditional motor, the structure is simpler, and life is superior to subassembly such as motor, the stability and the validity of auto-change over device at the during operation have been improved.
The elastic part 4 is an elastic telescopic bag, a sliding cavity for the sliding rod 5 to pass through is arranged in the middle of the telescopic bag, and the first wire 7 penetrates through the sliding rod 5; the heat that 7 electric wires during operation sent can drive the synchronous inflation of flexible bag through slide bar 5 to the inside gas heating of flexible bag, makes its inside gas after the inflation to make the flexible bag can be more powerful press arc 3 inside arc wall 8, make two sets of conducting strips can more stabilize firm laminating connection, stability when having improved circuit connection.
Graphite powder 14 is filled between the sliding cavity on the telescopic bag and the sliding rod 5; the graphite powder 14 that sets up can transmit the heat more efficient to the expansion capsule department on the slide bar 5 with an electric wire 7, has improved the inflation effect of expansion capsule, and graphite powder 14 also can play lubricated effect to the relative motion of slide bar 5 and smooth chamber simultaneously, reduces both relative motion's resistance.
The outer surface of the arc-shaped plate 3, which is attached to the arc-shaped groove 8, is provided with an annular sealing bag 15, the sealing bag 15 is communicated with the telescopic bag through an air pipe 16, the inner wall of the arc-shaped groove 8 is provided with an annular groove 17 matched with the sealing bag 15, and the width of a notch of the section of the annular groove 17 is gradually reduced from inside to outside; when arc 3 and arc 8 looks block, arc 3 can drive the less sealed capsule 15 of volume and insert in ring channel 17, along with the inside gaseous inflation of bellows, sealed capsule 15 also can be synchronous inflation thereupon, and the inseparable laminating of lateral wall with it under ring channel 17's spacing, thereby can play the effect of protection to two conducting strips of intercommunication, reduce the condition that two conducting strips wet and receive dirt, the sealed capsule 15 of mutual block simultaneously also can play certain fixed effect to arc 3 with ring channel 17, further reduce arc 3 and rock in arc 8, lead to the condition of two conducting strips contact failure.
The arc-shaped plates 3, the sliding rods 5 and the elastic pieces 4 are uniformly distributed in an annular shape relative to the axis of the rotary table 2 and correspond to the arc-shaped grooves 8 one by one; when the arc 3 that is provided with conducting strip 6 matches with arc 8, remaining arc 3 can cooperate with remaining arc 8 one by one to can play the effect of shutoff protection to No. two conducting strips 9 on the arc 8, reduce No. two conducting strips 9 and suffer the condition that dust steam damaged because of the outside that exposes for a long time.
Example two:
referring to fig. 5, a groove 18 is formed in one side of the arc-shaped groove 8 along the rotation direction of the turntable 2, a pressing bag 19 is connected inside the groove 18, a nozzle 20 is connected to the side wall of the switching box 1 on one side of the pressing bag 19, the nozzle 20 is communicated with the pressing bag 19 through a connecting pipe 21, and a pressing block 22 capable of extruding the pressing bag is connected to the side wall of the arc-shaped plate 3 on one side of the pressing bag 19; when the arc 3 rotates clockwise, the arc 3 can press the gas in the pressing bag 19 into the nozzle 20 through the pressing block 22, and the inner wall of the sliding switching box 1 is cleaned by the gas flow sprayed from the nozzle 20, so that the adhesion impurities of the arc 3 in the sliding process are reduced, the impurities are brought into the next arc 8, and the situation that the contact of the arc 3 and two groups of conducting sheets on the arc 8 is poor is further caused.
The working principle is as follows: a plurality of current sensors are placed side by side at a detection point of the cable, the arc-shaped plate 3 is clamped into one arc-shaped groove 8 under the action of the elastic part 4, the first conducting plate 6 and the second conducting plate 9 of the arc-shaped plate are communicated, the current sensor communicated with a power supply can monitor the circulation of a cable sheath, when the current sensor breaks down, the rotating assembly drives the arc-shaped plate 3 to rotate, so that the arc-shaped plate 3 slides relatively on the sliding rod 5 under the extrusion of the arc-shaped groove 8 and can slide into the adjacent arc-shaped groove 8, the current sensors connected at the adjacent arc-shaped grooves 8 are communicated with the power supply, the seamless connection monitoring of the cable sheath by the current sensors is realized, meanwhile, a plurality of groups of current sensors can be connected with the first total electric wire 7 through a switching device, and each current sensor is not required to be provided with an independent loop and a controller, therefore, the monitoring cost and the failure rate of the monitoring device during working are reduced; when different current sensors need to be switched to work, at the moment, the electromagnet 11 can work instantaneously to apply instantaneous acting force to the traction plate 12 on one side, due to the action of the limiting block 13, the traction plate 12 drives the arc plate 3 on the rotary table 2 to rotate clockwise to the adjacent arc-shaped groove 8 under the attraction force of the electromagnet 11, meanwhile, when the outer end of the traction plate 12 moves to the electromagnet 11, the outer end of the traction plate 12 can rotate clockwise under the extrusion of the electromagnet 11, the interference of the electromagnet 11 to the traction plate 12 is reduced, the rotating assembly has a simpler structure compared with electric assemblies such as a traditional motor and the like, the service life of the rotating assembly is longer than that of the electric assemblies such as the motor and the like, and the stability and the effectiveness of the switching device in working are improved; the heat generated by the first electric wire 7 during working can heat the gas in the telescopic bag through the sliding rod 5, so that the gas in the telescopic bag drives the telescopic bag to synchronously expand after expansion, the telescopic bag can more powerfully press the arc-shaped plate 3 in the arc-shaped groove 8, two groups of conducting strips can be more stably and firmly attached and connected, and the stability of circuit connection is improved; the arranged graphite powder 14 can more efficiently transmit heat transmitted from the first wire 7 to the sliding rod 5 to the telescopic bag, so that the expansion effect of the telescopic bag is improved, and meanwhile, the graphite powder 14 can also play a lubricating effect on the relative movement of the sliding rod 5 and the sliding cavity, so that the resistance to the relative movement of the sliding rod 5 and the sliding cavity is reduced; when the arc-shaped plate 3 is clamped with the arc-shaped groove 8, the arc-shaped plate 3 can drive the sealing bag 15 with smaller volume to be inserted into the annular groove 17, along with the expansion of the gas in the telescopic bag, the sealing bag 15 can synchronously expand along with the expansion of the gas in the annular groove 17 and is tightly attached to the side wall of the annular groove 17 under the limiting condition, so that the two communicated conducting strips can be protected, the damp and polluted conditions of the two conducting strips are reduced, meanwhile, the sealing bag 15 and the annular groove 17 which are mutually clamped can also play a certain fixing effect on the arc-shaped plate 3, the shaking of the arc-shaped plate 3 in the arc-shaped groove 8 is further reduced, and the condition that the two conducting strips are in poor contact is caused; when the arc-shaped plate 3 provided with the first conducting plate 6 is matched with the arc-shaped groove 8, the rest arc-shaped plates 3 can be matched with the rest arc-shaped grooves 8 one by one, so that the effect of blocking and protecting the second conducting plate 9 on the arc-shaped groove 8 can be achieved, and the condition that the second conducting plate 9 is damaged by dust and water vapor due to long-term exposure of the outside is reduced; when the arc 3 rotates clockwise, the arc 3 can press the gas in the pressing bag 19 into the nozzle 20 through the pressing block 22, and the inner wall of the sliding switching box 1 is cleaned by the gas flow sprayed from the nozzle 20, so that the adhesion impurities of the arc 3 in the sliding process are reduced, the impurities are brought into the next arc 8, and the situation that the contact of the arc 3 and two groups of conducting sheets on the arc 8 is poor is further caused.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides an insulating intelligent detection system of online IT system which characterized in that: the system comprises an induction module based on an IT system, an induction switching module, an alarm display module and a central processing unit;
the induction module takes a group of current sensors for collecting the grounding circulation of the cable sheath as a carrier, is connected with the central processing unit and can transmit collected information to the central processing unit;
the induction switching module takes a switching device as a carrier, and the switching device can be communicated with two groups of conducting strips at different positions through the rotation of a turntable (2) in a switching box (1) during working, so that different current sensors are controlled to monitor the circulating current of a cable sheath;
the alarm display module takes a buzzer and a display screen as carriers, the alarm display module is connected with the central processing unit, and the central processing unit can display information transmitted by the current sensor through the display screen and control the buzzer to alarm according to the received information;
the switching device comprises a cylindrical switching box (1), a rotating assembly is arranged in the middle of the switching box (1), a rotary table (2) is connected onto the rotating assembly, an arc-shaped plate (3) is arranged on the side wall of the rotary table (2), an elastic part (4) is connected between the arc-shaped plate (3) and the side wall of the rotary table (2), a slide rod (5) connected with the arc-shaped plate (3) in a sliding manner is fixedly connected to the side wall of the rotary table (2) corresponding to the arc-shaped plate (3), a group of first conducting plates (6) are embedded at the end parts of the arc-shaped plate (3), a first electric wire (7) connected with a power supply is connected onto the first conducting plates (6), a group of arc-shaped grooves (8) which are uniformly distributed in an annular manner and matched with the arc-shaped plate (3) are formed on the side wall inside the switching box (1), a group of second conducting plates (9) are embedded inside the arc-shaped grooves (8), and a second electric wire (10) connected with each current sensor is connected to the second conducting strip (9).
2. The intelligent insulation detection system for the on-line IT system according to claim 1, characterized in that: the system also comprises an automatic control module, wherein the automatic control module takes a controller as a carrier, is connected with the central processing unit and the induction switching module, and can control the automatic operation of the induction switching module according to information transmitted by the central processing unit.
3. The intelligent insulation detection system for the on-line IT system according to claim 2, characterized in that: the system further comprises a power supply module, the power supply module takes a solar cell panel and a storage battery which are connected with each other as carriers, and the storage battery can supply power to the induction module, the induction switching module, the alarm display module and the central processing unit based on the IT system.
4. The intelligent insulation detection system for the on-line IT system according to claim 3, characterized in that: rotating assembly includes electro-magnet (11), carousel (2) set to the annular form and rotate with switching case (1) and link to each other, carousel (2) rotate through the torsional spring on the inner wall corresponding with arc wall (8) and be connected with traction plate (12), electro-magnet (11) set up in outer end one side of one of them traction plate (12), and can attract traction plate (12), traction plate (12) have linked firmly stopper (13) on carousel (2) inner wall that one side of carousel (2) rotation direction corresponds, traction plate (12) extrude the laminating with stopper (13) under the effect of tip torsional spring.
5. The intelligent insulation detection system for the on-line IT system according to claim 4, characterized in that: the elastic piece (4) is an elastic telescopic bag, a sliding cavity for the sliding rod (5) to penetrate is formed in the middle of the telescopic bag, and the first electric wire (7) penetrates through the inside of the sliding rod (5).
6. The intelligent insulation detection system for the on-line IT system according to claim 5, characterized in that: graphite powder (14) is filled between the sliding cavity on the telescopic bag and the sliding rod (5).
7. The intelligent insulation detection system for the on-line IT system according to claim 6, characterized in that: the outer surface that arc (3) and arc (8) were laminated mutually is equipped with annular sealed bag (15), be linked together through trachea (16) between sealed bag (15) and the flexible bag, set up on arc (8) inner wall with sealed bag (15) matched with ring channel (17), the notch width at ring channel (17) cross-section reduces from inside to outside gradually.
8. The intelligent insulation detection system for the on-line IT system according to claim 7, characterized in that: the arc-shaped plates (3), the sliding rods (5) and the elastic pieces (4) are uniformly distributed in an annular shape relative to the axis of the rotary table (2) and are in one-to-one correspondence with the arc-shaped grooves (8).
9. The intelligent insulation detection system for the on-line IT system according to claim 8, characterized in that: one side of the arc-shaped groove (8) in the rotating direction of the turntable (2) is provided with a groove (18), the groove (18) is internally connected with a pressing bag (19), the side wall of the switching box (1) on one side of the pressing bag (19) is connected with a nozzle (20), the nozzle (20) is communicated with the pressing bag (19) through a connecting pipe (21), and the side wall of the arc-shaped plate (3) on one side of the pressing bag (19) is connected with a pressing block (22) capable of extruding the arc-shaped groove.
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| CN117498412A (en) * | 2023-11-10 | 2024-02-02 | 杭州光谷新能源科技有限公司 | Grid-off and grid-on switching control method of energy storage inverter |
| CN117289099A (en) * | 2023-11-27 | 2023-12-26 | 云南巨力电气（集团）有限公司 | Electrical insulation detection equipment for switch cabinet |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62127676A (en) * | 1985-11-28 | 1987-06-09 | Showa Electric Wire & Cable Co Ltd | Cable decision device for insulation deterioration |
| KR20030004510A (en) * | 2001-07-05 | 2003-01-15 | 이동영 | Apparatus and method for multi-testing insulation of power cables |
| CN104391234A (en) * | 2014-12-04 | 2015-03-04 | 国家电网公司 | Intermittent servicing partial discharge online monitoring system |
| CN204758766U (en) * | 2015-06-30 | 2015-11-11 | 国家电网公司 | High tension cable oversheath state of insulation on -line monitoring system |
| CN206489208U (en) * | 2016-11-16 | 2017-09-12 | 国网陕西省电力公司西安供电公司 | A kind of detection means of high-voltage cable metal sheath circulation |
| CN208833834U (en) * | 2018-08-17 | 2019-05-07 | 西安博奇自动化控制设备有限公司 | Residual current monitors system |
| CN209446711U (en) * | 2019-02-01 | 2019-09-27 | 北京杰安源科技有限公司 | High-tension cable is cross interconnected and insulated on-line monitoring system |
| CN212723174U (en) * | 2020-04-22 | 2021-03-16 | 中国石油化工股份有限公司 | Online detection and fault positioning system for circulating current parameters of power transmission cable |
| CN113156170A (en) * | 2021-03-18 | 2021-07-23 | 国网浙江省电力有限公司常山县供电公司 | On-line monitoring device for insulation level of power transformation equipment |
| CN113188682A (en) * | 2021-06-01 | 2021-07-30 | 中广核新能源六安有限公司 | Automatic temperature measurement protection device for cable joint on high-voltage side of box-type substation |
-
2021
- 2021-12-17 CN CN202111545401.1A patent/CN113933669B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62127676A (en) * | 1985-11-28 | 1987-06-09 | Showa Electric Wire & Cable Co Ltd | Cable decision device for insulation deterioration |
| KR20030004510A (en) * | 2001-07-05 | 2003-01-15 | 이동영 | Apparatus and method for multi-testing insulation of power cables |
| CN104391234A (en) * | 2014-12-04 | 2015-03-04 | 国家电网公司 | Intermittent servicing partial discharge online monitoring system |
| CN204758766U (en) * | 2015-06-30 | 2015-11-11 | 国家电网公司 | High tension cable oversheath state of insulation on -line monitoring system |
| CN206489208U (en) * | 2016-11-16 | 2017-09-12 | 国网陕西省电力公司西安供电公司 | A kind of detection means of high-voltage cable metal sheath circulation |
| CN208833834U (en) * | 2018-08-17 | 2019-05-07 | 西安博奇自动化控制设备有限公司 | Residual current monitors system |
| CN209446711U (en) * | 2019-02-01 | 2019-09-27 | 北京杰安源科技有限公司 | High-tension cable is cross interconnected and insulated on-line monitoring system |
| CN212723174U (en) * | 2020-04-22 | 2021-03-16 | 中国石油化工股份有限公司 | Online detection and fault positioning system for circulating current parameters of power transmission cable |
| CN113156170A (en) * | 2021-03-18 | 2021-07-23 | 国网浙江省电力有限公司常山县供电公司 | On-line monitoring device for insulation level of power transformation equipment |
| CN113188682A (en) * | 2021-06-01 | 2021-07-30 | 中广核新能源六安有限公司 | Automatic temperature measurement protection device for cable joint on high-voltage side of box-type substation |
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