CN116008863B - Electric iron tower electric leakage detection device with safeguard function - Google Patents
Electric iron tower electric leakage detection device with safeguard function Download PDFInfo
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- CN116008863B CN116008863B CN202310307398.2A CN202310307398A CN116008863B CN 116008863 B CN116008863 B CN 116008863B CN 202310307398 A CN202310307398 A CN 202310307398A CN 116008863 B CN116008863 B CN 116008863B
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Abstract
The invention relates to the technical field of electric leakage detection, in particular to an electric iron tower electric leakage detection device with a protection function, which is arranged at the top of an electric iron tower and is connected with a high-voltage cable.
Description
Technical Field
The invention relates to the technical field of electric leakage detection, in particular to an electric iron tower electric leakage detection device with a protection function.
Background
The electric iron tower is also called an electric iron tower, is a tower-shaped building which is generally in a trapezoid or triangle shape and the like, is often built in the field, is an important facility of an electric power department, has overhead wires and plays a role in protecting and supporting the wires, but in the long-distance transmission process of the electric iron tower, the insulation layer on the outer surface of a transmission line at a certain position is often damaged, so that the electric leakage of the transmission line is caused, and therefore, staff is required to perform electric leakage detection on the transmission line on the electric iron tower at intervals.
The current electric iron tower electric leakage detection device generally falls into two kinds, and one kind is manual handheld operation, and this kind of electric leakage detection device needs the manual work to climb to electric iron tower and carry out electric leakage detection, for example patent "CN208334530U electric leakage detection device (publication date 20190104)", and another kind is fixed mounting on electric iron tower, and this kind of electric leakage detection device has the advantage of real-time detection electric iron tower electric leakage condition, for example patent "CN109116056B electric leakage detection device group mounting structure (publication date 20210810)", on the power transmission line, but the later kind electric iron tower electric leakage detection device is exposed outside for a long time in the in-service use, consequently often runs into following problem in the actual working process: firstly, due to the influence of external environment and various accidents, the lead of the electric leakage detection device exposed to the outside is often broken or short-circuited, so that a ground workstation near the electric iron tower cannot judge whether the electric iron tower has electric leakage or not in time, and the safety of organisms around the electric iron tower is influenced; second, in summer, the difference in temperature between day and night is usually great, and daytime high temperature weather is when, if can not in time cool down to electric leakage detection device inside, electric leakage detection device internals damage very easily because of the high temperature, and night is comparatively moist because of the air, consequently often has dew entering electric leakage detection device inside, causes electric leakage detection device internal circuit short circuit.
Disclosure of Invention
The invention aims to provide an electric iron tower electric leakage detection device with a protection function, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides an electric iron tower electric leakage detection device with safeguard function, this electric iron tower electric leakage detection device installs at the top of electric iron tower and is connected with high-voltage cable, electric iron tower electric leakage detection device includes base, detection case, collection mechanism, filtering mechanism, photovoltaic module and redundant alarm mechanism, the base sets up the below at the detection case, filtering mechanism sets up the outside at the detection case, photovoltaic module sets up the upper end at the detection case, redundant alarm mechanism sets up the side at the detection case and is not in same side with filtering mechanism, the inside of detection case is provided with accumulator, air pump and treater, the accumulator is connected with photovoltaic module, the air pump is connected with the filter mechanism, the one end of collection mechanism is connected with the treater, another pot head of collection mechanism is on high-voltage cable, the inside of base is provided with safety cover, discharge needle and shifter, the discharge needle sets up the top surface at the discharge needle, through whether switching mechanism detects the electric iron tower and controls the work redundancy alarm mechanism that exists on the electric iron tower.
The invention is provided with an air pump and a filtering mechanism, meanwhile, the outer side of the upper end of the detection box is provided with a pressure relief valve, external air is conveyed into the detection box through the air pump to cool the processor, the temperature in the detection box is prevented from being too high in high-temperature weather, internal high-temperature air can flow out through the pressure relief valve, external sundries and moist air can be prevented from entering the detection box through the filtering mechanism, the damage of devices in the detection box is prevented, the invention is also provided with a redundancy alarm mechanism, when the acquisition mechanism and the processor generate a circuit fault and cannot normally operate, the work station near the iron tower can directly alarm at the top of the electricity through the redundancy alarm mechanism, and the electricity tower can generate an alarm through the redundancy alarm mechanism.
Further, the conversion mechanism comprises a connecting frame and conversion seats, the conversion seats are provided with two groups, the two groups of conversion seats are respectively arranged at the left end and the right end of the connecting frame, three groups of conductive needles are arranged on the connecting frame, one group of conductive needles extend into the protective cover and are aligned with the discharge needles, the other two groups of conductive needles extend into the two groups of conversion seats respectively, a movable plate, a fixed plate and a sliding sleeve are arranged in the conversion seats, one side, close to the conductive needles, of the movable plate is provided with explosive gas, one ends, close to each other, of the movable plate and the fixed plate are respectively provided with a first conductive block and a second conductive block, the sliding sleeve is internally provided with a sliding block, the sliding block is connected with a storage battery through a conductive spring rod, and the bottom end of the inner wall of the sliding sleeve is connected with a processor.
If the high-voltage cable is in leakage, and the collecting mechanism is likely to carry current along with time when being influenced by external environment and faults, so that the safety of organisms around the electric iron tower is influenced.
Further, the movable plate and the fixed plate are magnetic and attracted to each other at the end close to each other, a piezoelectric crystal is arranged at the top end of the inside of the sliding sleeve, and a push rod is arranged above the sliding block.
When the movable plate moves towards the direction of the fixed plate, so that the first conductive block and the second conductive block are contacted, the movable plate and the fixed plate have magnetic attraction, so that the first conductive block and the second conductive block are not automatically separated after being contacted, through the technical scheme, a processor can always transmit signals to a ground work station, and prompt an electric iron tower to generate an electric leakage accident.
Further, redundant alarm mechanism includes storage box and separation subassembly, separation subassembly sets up in the inside intermediate position department of storage box, separation subassembly is linked together through the one end that the air duct is close to the sliding sleeve with the change over seat, one side that separation subassembly is close to the detection case is provided with peroxide, one side that separation subassembly kept away from the detection case is provided with ester compound and fluorochrome.
Through the technical scheme, when the conversion mechanism works, the redundant alarm mechanism can synchronously work, namely, in the process that the movable plate moves towards the fixed plate, gas on one side, close to the fixed plate, of the movable plate can enter the separation assembly, at the moment, the separation assembly can not continuously obstruct the contact of three substances in the storage box, after peroxide is contacted with the quasi-compound and fluorescent dye, the redundant alarm mechanism can emit warning light to warn a ground workstation, and the redundant alarm mechanism provided by the invention has no participation of circuit devices, so that the reliability is higher, the redundant alarm mechanism can be used as a supplementary means of leakage detection, and the phenomenon of wire breakage caused by various accidents is avoided, so that the leakage condition of an electric iron tower can not be timely sent to the ground workstation.
Further, separate the subassembly and include opening and close box, separate frame and division board, open and close box and conversion seat and set up the intermediate position department at separating the frame, the one end of division board is through closing plate and extension spring setting in the inside of opening and close the box, the other end setting of division board is in the inside of separating the frame lower extreme, the lower extreme of separating the frame is provided with first bleeder hole, the lower extreme of division board is provided with the second bleeder hole.
Through the technical scheme, under normal conditions, the second discharging hole arranged on the partition plate is in a non-overlapping state with the first discharging hole arranged on the partition frame, when the movable plate is close to the gas on one side of the fixed plate and enters the opening and closing box, under the action of air pressure, the partition plate can start to move upwards, and at the moment, the second discharging hole arranged on the partition plate is in an overlapping state with the first discharging hole arranged on the partition frame, so that peroxide is convenient to contact with the quasi-compound and fluorescent dye, and the redundant alarm mechanism emits alarm light.
Further, filtering mechanism includes fixed case, holds back subassembly and stoving subassembly, the one end that the detection case was kept away from to fixed case is provided with the filter screen, the setting of stoving subassembly is close to the one end of detection case at fixed case, be provided with the movable chamber between filter screen and the stoving subassembly, hold back the subassembly setting in the movable chamber inside.
Through above-mentioned technical scheme, intercept the big particulate matter in the external gas through the filter screen, get rid of the moisture in the external gas through the subassembly of retaining to avoid detecting inside spare part of case and wet damage, can carry out automatic stoving processing to filtering mechanism through the stoving subassembly, in order to guarantee that filtering mechanism can long-time cyclic utilization.
Further, driving motor still is provided with in the inside of activity room, driving motor is connected with retaining the subassembly through drive gear subassembly, it includes the carousel and holds back the pipe to hold back the subassembly, be provided with four sets of fixed slots on the carousel, four sets of be ninety degrees partition setting on the carousel between the fixed slot, every group all be provided with a set of pipe that holds back in the fixed slot, it has the calcium chloride drier to hold back intraductal packing.
Under normal condition, external gas can be along being located two sets of inside flows of holding back of pipe at both ends about the carousel, when needs are to be dried the inside calcium chloride drier of holding back of pipe to above-mentioned two sets of, only need open driving motor, can make carousel autogiration through driving motor and gear assembly, two sets of holding back of pipe at both ends about the carousel will take place the position exchange with two sets of holding back of pipe that are located both ends about the carousel this moment, through above-mentioned technical scheme, can realize cyclic utilization filter mechanism's purpose, prevent filter mechanism live time overlength and lead to holding back the effect of moisture simultaneously and reduce.
Further, the outer end of fixed case is provided with one-way discharge valve, stoving subassembly includes fixed disk, communication hole and stoving groove, the communication hole is provided with two sets of, two sets of communication hole symmetry sets up the upper and lower both ends at the fixed disk, the stoving groove is provided with two sets of, two sets of stoving groove symmetry sets up the left and right sides both ends at the fixed disk, the inside of stoving groove is provided with heating element, the stoving groove is connected with one-way discharge valve through the exhaust groove.
Through two sets of UNICOM holes, can guarantee that external gas can be smooth and easy enter into the detection case after passing the pipe that holds back at carousel upper and lower both ends, can carry out the stoving processing to the pipe that holds back at carousel left and right sides through the inside heating element that sets up of stoving groove to make things convenient for follow-up cyclic utilization, through exhaust groove and one-way discharge valve convenience with the moisture exhaust after the stoving.
Compared with the prior art, the invention has the following beneficial effects: compared with the existing electric iron tower electric leakage detection device provided with the discharge needle and the redundancy alarm mechanism, when the collection mechanism is influenced by external environment for a long time to cause faults, the electric iron tower electric charge can be gradually collected through the discharge needle and the tip discharge phenomenon is generated in the protection cover, at the moment, the electric charge carried on the electric iron tower can be led into the conversion seat through the conductive needle and the connecting frame, explosive gas arranged in the conversion seat is exploded, the movable plate can move towards the direction of the fixed plate under the action of air pressure, after the first conductive block is contacted with the second conductive block, the processor generates a group of signals to warn the ground workstation, the electric iron tower is subjected to electric leakage accidents, meanwhile, the redundancy alarm mechanism can synchronously work and emit a group of warning light, and the redundancy alarm mechanism is higher in reliability because of no participation of circuit devices.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the mounting structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is a schematic diagram of a conversion mechanism of the present invention;
FIG. 5 is a schematic diagram of a redundant alarm mechanism of the present invention;
FIG. 6 is a schematic view of the separator assembly of the present invention;
FIG. 7 is a schematic view of the filter mechanism of the present invention;
FIG. 8 is a schematic view of the structure of section A-A of FIG. 7 in accordance with the present invention;
FIG. 9 is a schematic view of the structure of the portion B-B in FIG. 7 in accordance with the present invention;
fig. 10 is a schematic view of the structure of the portion C in fig. 4 according to the present invention.
In the figure: 1-base, 11-protection cover, 12-discharge needle, 13-conversion mechanism, 131-connection frame, 1311-conductive needle, 132-conversion seat, 1321-movable plate, 1322-fixed plate, 133-sliding sleeve, 1331-sliding block, 13311-ejector rod, 13312-piezoelectric crystal, 2-detection box, 21-accumulator, 22-air pump, 23-processor, 3-collection mechanism, 4-filtration mechanism, 41-fixed box, 411-movable chamber, 412-driving motor, 413-one-way exhaust valve, 42-interception component, 421-turntable, 422-interception tube, 43-drying component, 431-fixed disc, 432-communication hole, 433-drying groove, 5-photovoltaic component, 6-redundancy alarm mechanism, 61-storage box, 62-separation component, 621-opening and closing box, 622-separation frame, 623-separation plate.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-3, an electric iron tower electric leakage detection device with a protection function is installed at the top of an electric iron tower and is connected with a high-voltage cable, the electric iron tower electric leakage detection device comprises a base 1, a detection box 2, an acquisition mechanism 3, a filtering mechanism 4, a photovoltaic module 5 and a redundancy alarm mechanism 6, the base 1 is arranged below the detection box 2, the filtering mechanism 4 is arranged on the outer side of the detection box 2, the photovoltaic module 5 is arranged at the upper end of the detection box 2, the redundancy alarm mechanism 6 is arranged on the side surface of the detection box 2 and is not on the same side as the filtering mechanism 4, a storage battery 21, an air pump 22 and a processor 23 are arranged in the detection box 2, the storage battery 21 is connected with the photovoltaic module 5, the air pump 22 is connected with the filtering mechanism 4, one end of the acquisition mechanism 3 is connected with the processor 23, the other end of the acquisition mechanism 3 is sleeved on the high-voltage cable, a protection cover 11, a discharge needle 12 and a conversion mechanism 13 are arranged in the base 1, the discharge needle 12 is arranged on the outer surface of the top of the electric iron tower, and the protection cover 11 is arranged on the outer side of the detection box 12 and controls whether the redundancy mechanism exists on the electric iron tower through the conversion mechanism 6.
The base 1 is a fixed foundation of the invention, before working, the acquisition mechanism 3 is arranged on a high-voltage cable, the acquisition mechanism 3 can select signal acquisition equipment such as a current clamp meter and a leakage detector which are commonly used in the market, when the acquisition mechanism 3 acquires the leakage phenomenon of the high-voltage cable, the signal is output into the processor 23, the processor 23 is used for conveying information such as alarming and the like to the ground so as to facilitate the timely maintenance and treatment of workers, the invention is provided with the air pump 22 and the filter mechanism 4, meanwhile, the outer side of the upper end of the detection box 2 is provided with the pressure relief valve, the air pump 22 is used for conveying the outside air into the detection box 2 so as to cool the processor 23, the temperature in the detection box 2 is prevented from being too high in high-temperature weather, the inside high-temperature air can flow out through the pressure relief valve, the filter mechanism 4 can avoid the damage of external sundries and moist air into the detection box 2, the redundant alarm mechanism 6 is also arranged, when the acquisition mechanism 3 and the processor 23 generate circuit faults and cannot normally operate, the electric leakage phenomenon can be directly indicated at the top of the iron tower, and the electric tower is indicated by the redundant alarm mechanism 6.
As shown in fig. 3-4, the conversion mechanism 13 includes a connecting frame 131 and a conversion seat 132, the conversion seat 132 is provided with two groups, the two groups of conversion seats 132 are respectively disposed at the left end and the right end of the connecting frame 131, three groups of conductive pins 1311 are disposed on the connecting frame 131, one group of conductive pins 1311 extends into the protecting cover 11 and is aligned with the discharge pins 12, the other two groups of conductive pins 1311 extend into the two groups of conversion seats 132 respectively, a movable plate 1321, a fixed plate 1322 and a sliding sleeve 133 are disposed in the conversion seat 132, an explosive gas is disposed at one side of the movable plate 1321 close to the conductive pins 1311, a first conductive block and a second conductive block are disposed at one end of the movable plate 1321 and one end of the fixed plate 1322 close to each other respectively, the sliding sleeve 133 is internally provided with a sliding block 1331, the sliding block 1331 is connected with the first conductive block through a conductive spring rod, the second conductive block is connected with the accumulator 21, the inner wall of the sliding sleeve 133 is made of a conductive material, and the bottom end of the inner wall of the sliding sleeve 133 is connected with the processor 23.
If the high-voltage cable is in leakage and the collecting mechanism 3 is in fault due to the influence of external environment for a long time, current is likely to be carried on the electric iron tower along with the time, so that the safety of organisms around the electric iron tower is influenced.
As shown in fig. 4, the movable plate 1321 and the fixed plate 1322 have magnetic properties at the ends close to each other and attract each other, a piezoelectric crystal 13312 is provided at the inner tip of the sliding sleeve 133, and a push rod 13311 is provided above the sliding block 1331.
When the movable plate 1321 moves towards the direction of the fixed plate 1322, so that the movable plate 1321 and the fixed plate 1322 are contacted with each other, because the movable plate 1321 and the fixed plate 1322 have magnetism of attraction to each other, the first conductive block and the second conductive block are not automatically separated after being contacted, through the technical scheme, the processor 23 can always send signals to a ground work station to prompt that an electric iron tower has an electric leakage accident.
As shown in fig. 3 and 5, the redundant alarm mechanism 6 includes a storage box 61 and a separation component 62, the separation component 62 is disposed at an inner middle position of the storage box 61, the separation component 62 is communicated with one end of the conversion seat 132, which is close to the sliding sleeve 133, through an air duct, a peroxide is disposed on one side of the separation component 62, which is close to the detection box 2, and an ester compound and a fluorescent dye are disposed on one side of the separation component 62, which is far from the detection box 2.
Through the technical scheme, when the conversion mechanism 13 works, the redundant alarm mechanism 6 works synchronously, namely, in the process that the movable plate 1321 moves towards the fixed plate 1322, gas on one side of the movable plate 1321, which is close to the fixed plate 1322, enters the separation assembly 62, at the moment, the separation assembly 62 does not continuously obstruct the contact of three substances in the storage box 61, and after the peroxide contacts with the quasi-compound and the fluorescent dye, the redundant alarm mechanism 6 emits warning light to warn a ground workstation.
As shown in fig. 3, 5 and 6, the partition assembly 62 includes an opening and closing box 621, a partition frame 622 and a partition plate 623, the opening and closing box 621 is communicated with the conversion seat 132 and is disposed at a middle position of the partition frame 622, one end of the partition plate 623 is disposed inside the opening and closing box 621 through a sealing plate and a telescopic spring, the other end of the partition plate 623 is disposed inside a lower end of the partition frame 622, a first discharging hole is disposed at a lower end of the partition frame 622, and a second discharging hole is disposed at a lower end of the partition plate 623.
Through the above technical scheme, under normal conditions, the second discharge hole arranged on the partition plate 623 and the first discharge hole arranged on the partition frame 622 are in a non-overlapping state, when the gas on one side of the movable plate 1321 close to the fixed plate 1322 enters the opening and closing box 621, under the action of air pressure, the partition plate 623 starts to move upwards, and at this moment, the second discharge hole arranged on the partition plate 623 and the first discharge hole arranged on the partition frame 622 are in an overlapping state, so that the peroxide is convenient to contact with the quasi-compound and the fluorescent dye, and the redundant alarm mechanism 6 emits alarm light.
As shown in fig. 1, 3 and 7, the filtering mechanism 4 includes a fixed box 41, a retaining component 42 and a drying component 43, a filter screen is disposed at one end of the fixed box 41 far away from the detection box 2, the drying component 43 is disposed at one end of the fixed box 41 near the detection box 2, a movable chamber 411 is disposed between the filter screen and the drying component 43, and the retaining component 42 is disposed inside the movable chamber 411.
Through above-mentioned technical scheme, intercept the big particulate matter in the external gas through the filter screen, get rid of the moisture in the external gas through interception subassembly 42 to avoid detecting the inside spare part of case 2 to wet damage, can carry out automatic stoving processing to filtering mechanism 4 through stoving subassembly 43, in order to guarantee filtering mechanism 4 can long-time cyclic utilization.
As shown in fig. 7 and 8, a driving motor 412 is further disposed in the movable chamber 411, the driving motor 412 is connected with the interception component 42 through a transmission gear component, the interception component 42 includes a rotary disk 421 and an interception pipe 422, the rotary disk 421 is connected with the fixed box 41 through a movable shaft, four groups of fixed slots are disposed on the rotary disk 421, ninety degrees of the fixed slots are equally divided and disposed on the rotary disk 421, a group of interception pipes 422 are disposed in each group of fixed slots, and calcium chloride drying agent is filled in the interception pipes 422.
Under normal conditions, external gas can flow along the inside of two sets of holding back pipes 422 that are located the carousel 421 upper and lower both ends, when needs are to be dried the inside calcium chloride drier of holding back pipes 422 of above-mentioned two sets of holding back pipes 412, only need open driving motor 412, can make carousel 421 autogiration through driving motor 412 and gear assembly, two sets of holding back pipes 422 that are located the carousel 421 left and right sides both ends at this moment will take place the position exchange with two sets of holding back pipes 422 that are located the carousel 421 upper and lower both ends, through above-mentioned technical scheme, can realize cyclic utilization filtering mechanism 4's purpose, prevent simultaneously that filtering mechanism 4 live time overlength and lead to holding back the effect of moisture and reduce.
As shown in fig. 7 and 9, the outer end of the fixing case 41 is provided with a one-way exhaust valve 413, the drying assembly 43 comprises a fixing disk 431, a communicating hole 432 and a drying groove 433, the communicating hole 432 is provided with two groups, the two groups of communicating holes 432 are symmetrically arranged at the upper end and the lower end of the fixing disk 431, the drying groove 433 is provided with two groups, the two groups of drying grooves 433 are symmetrically arranged at the left end and the right end of the fixing disk 431, a heating assembly is arranged in the drying groove 433, and the drying groove 433 is connected with the one-way exhaust valve 413 through the exhaust groove.
Through two sets of UNICOM holes 432, can guarantee that external gas can be smooth and easy enter into detection case 2 after passing the pipe 422 that holds back at carousel 421 upper and lower both ends, can carry out the stoving processing to the pipe 422 that holds back at carousel 421 both ends about through the inside heating element that sets up of stoving groove 433 to make things convenient for follow-up cyclic utilization, moisture after conveniently drying is discharged through exhaust groove and one-way discharge valve 413.
The working principle of the invention is as follows: before working, the acquisition mechanism 3 is arranged on a high-voltage cable, when the acquisition mechanism 3 acquires the information such as an electric leakage phenomenon of the high-voltage cable, the signal is output into the processor 23, the processor 23 is used for conveying information such as an alarm to the ground, so that workers can maintain and process the information in time, when the weather is hot, the outside air is conveyed into the detection box 2 through the air pump 22 to cool the processor 23, the outside sundries and moist air can be prevented from entering the detection box 2 through the filtering mechanism 4, the damage to the internal devices of the detection box 2 is prevented, if the electric leakage phenomenon occurs on the high-voltage cable, and when the acquisition mechanism 3 is influenced by the outside environment for a long time, the fault occurs, the electric iron tower is likely to carry current along with the time, and at the moment, the electric charges on the electric iron tower can be gradually collected through the discharge needle 12, and the point discharge phenomenon is generated in the protection cover 11, the current carried on the electric iron tower can be led into the conversion seat 132 through the conductive needle 1311 and the connecting frame 131, the explosive gas arranged in the conversion seat 132 is exploded, under the action of air pressure, the movable plate 1321 can move towards the direction of the fixed plate 1322, after the first conductive block is contacted with the second conductive block, the accumulator 21, the second conductive block, the first conductive block, the conductive spring rod, the sliding block 1331, the sliding sleeve 133 and the processor 23 form a group of loops, the processor 23 starts to work to generate a group of signals so as to warn a ground work station, the electric iron tower has an electric leakage accident, the redundancy alarm mechanism 6 also works synchronously, namely, in the moving process of the movable plate 1321 towards the fixed plate 1322, the gas on the side of the movable plate 1321 close to the fixed plate 1322 can enter the separation assembly 62, and the separation assembly 62 can not continuously block the contact of three substances in the storage box 61, when peroxide contacts with the quasi-compound and the fluorescent dye, the redundant alarm mechanism 6 emits warning light, and the redundant alarm mechanism 6 has higher reliability because no circuit device participates, can be used as a supplementary means for electric leakage detection, and avoids the wire breakage phenomenon caused by various accidents, so that the electric leakage condition of an electric iron tower cannot be sent to a ground workstation in time.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. Electric iron tower electric leakage detection device with safeguard function, this electric iron tower electric leakage detection device installs at the top of electric iron tower and is connected with high-voltage cable, its characterized in that: the utility model provides an electricity iron tower electric leakage detection device includes base (1), detection case (2), collection mechanism (3), filtering mechanism (4), photovoltaic module (5) and redundant alarm mechanism (6), base (1) set up in the below of detection case (2), filtering mechanism (4) set up in the outside of detection case (2), photovoltaic module (5) set up the upper end at detection case (2), redundant alarm mechanism (6) set up in the side of detection case (2) and do not be in same side with filtering mechanism (4), the inside of detection case (2) is provided with accumulator (21), air pump (22) and treater (23), accumulator (21) are connected with photovoltaic module (5), air pump (22) are connected with filtering mechanism (4), the one end and the treater (23) of collection mechanism (3) are connected, the other end cover of collection mechanism (3) is on the high-voltage cable, the inside of base (1) is provided with safety cover (11), switching needle (12) and needle (12) are arranged in the outside of electric iron tower (12), detecting whether current exists on the electric iron tower through the switching mechanism (13) and controlling the redundant alarm mechanism (6) to work;
the utility model provides a change over mechanism (13) is including link (131) and conversion seat (132), conversion seat (132) are provided with two sets of, two sets of conversion seat (132) set up respectively in the left and right sides both ends of link (131), be provided with three conductive needle (1311) of group on link (131), one of them set of conductive needle (1311) stretches into in safety cover (11) and aligns with discharge needle (12), and two sets of conductive needle (1311) stretch into respectively in two sets of conversion seat (132), the inside of conversion seat (132) is provided with fly leaf (1321), fixed plate (1322) and sliding sleeve (133), one side that fly leaf (1321) is close to conductive needle (1311) is provided with explosive gas, the one end that fly leaf (1321) and fixed plate (1322) are close to each other is provided with first conductive piece and second conductive piece respectively, the inside of sliding sleeve (133) is provided with slider (1331), slider (1331) are connected with first conductive piece through conductive piece, second conductive piece (21) is connected with electric accumulator (133), the inner wall (133) is connected with electric connector (23).
2. The electric iron tower electric leakage detection device with protection function according to claim 1, wherein: one ends of the movable plate (1321) and the fixed plate (1322) which are close to each other are magnetic and attracted to each other, a piezoelectric crystal (13312) is arranged at the top end of the inside of the sliding sleeve (133), and a push rod (13311) is arranged above the sliding block (1331).
3. The electric iron tower electric leakage detection device with protection function according to claim 2, wherein: the redundant alarm mechanism (6) comprises a storage box (61) and a separation component (62), wherein the separation component (62) is arranged at the middle position inside the storage box (61), the separation component (62) is communicated with one end, close to a sliding sleeve (133), of a conversion seat (132) through an air duct, one side, close to a detection box (2), of the separation component (62) is provided with peroxide, and one side, far away from the detection box (2), of the separation component (62) is provided with an ester compound and fluorescent dye.
4. A device for detecting leakage of electric iron tower with protection function according to claim 3, characterized in that: the separation assembly (62) comprises an opening and closing box (621), a separation frame (622) and a separation plate (623), wherein the opening and closing box (621) is communicated with a conversion seat (132) and is arranged at the middle position of the separation frame (622), one end of the separation plate (623) is arranged inside the opening and closing box (621) through a sealing plate and a telescopic spring, the other end of the separation plate (623) is arranged inside the lower end of the separation frame (622), a first discharging hole is formed in the lower end of the separation frame (622), and a second discharging hole is formed in the lower end of the separation plate (623).
5. The electric iron tower electric leakage detection device with protection function according to claim 4, wherein: the filter mechanism (4) comprises a fixed box (41), a interception component (42) and a drying component (43), wherein a filter screen is arranged at one end, far away from the detection box (2), of the fixed box (41, the drying component (43) is arranged at one end, close to the detection box (2), of the fixed box (41), a movable chamber (411) is arranged between the filter screen and the drying component (43), and the interception component (42) is arranged inside the movable chamber (411).
6. The electric iron tower electric leakage detection device with protection function according to claim 5, wherein: the inside of activity room (411) still is provided with driving motor (412), driving motor (412) are connected with hold back subassembly (42) through drive gear subassembly, hold back subassembly (42) include carousel (421) and hold back pipe (422), be provided with four sets of fixed slots on carousel (421), four sets of be ninety degrees partition setting between the fixed slot on carousel (421), every group all be provided with a set of hold back pipe (422) in the fixed slot.
7. The electric iron tower electric leakage detection device with protection function according to claim 6, wherein: the outer end of fixed case (41) is provided with one-way discharge valve (413), stoving subassembly (43) are including fixed disk (431), UNICOM's hole (432) and stoving groove (433), UNICOM's hole (432) are provided with two sets of, two sets of UNICOM's hole (432) symmetry sets up the upper and lower both ends at fixed disk (431), stoving groove (433) are provided with two sets of, two sets of stoving groove (433) symmetry sets up the left and right sides at fixed disk (431), the inside of stoving groove (433) is provided with heating element, stoving groove (433) are connected with one-way discharge valve (413) through the exhaust groove.
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| CN104808037A (en) * | 2015-04-01 | 2015-07-29 | 华南理工大学 | Photovoltaic inverter leakage current detecting device and method |
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