CN110850253A - Guide tracked removes cubical switchboard office and puts on-line monitoring sensor - Google Patents
Guide tracked removes cubical switchboard office and puts on-line monitoring sensor Download PDFInfo
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- CN110850253A CN110850253A CN201911273440.3A CN201911273440A CN110850253A CN 110850253 A CN110850253 A CN 110850253A CN 201911273440 A CN201911273440 A CN 201911273440A CN 110850253 A CN110850253 A CN 110850253A
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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
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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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Abstract
The invention belongs to the technical field of partial discharge online monitoring, and particularly relates to a guide rail type partial discharge online monitoring sensor for a movable switch cabinet, which comprises a combined switch cabinet body and a table body, wherein the upper end of the table body is fixedly connected with the lower end of the combined switch cabinet body, the back surface of the combined switch cabinet body is fixedly connected with an upper guide rail and a lower guide rail, the upper guide rail and the lower guide rail are respectively arranged close to the edges of the upper end and the lower end of the combined switch cabinet body, a detection mechanism is vertically arranged on one side of the combined switch cabinet body, the upper end and the lower end of the detection mechanism are respectively fixedly connected with opposite side walls of two first sliding blocks, a monitoring mechanism is fixedly connected onto one side wall of one end of the combined switch cabinet body. Has the advantages that: the invention can effectively carry out 24h uninterrupted partial discharge detection operation, and meanwhile, dead angles are not easy to generate in the detected area, thus being beneficial to maintaining the safety of electrical equipment for a long time, saving human resources and facilitating better monitoring and recording.
Description
Technical Field
The invention belongs to the technical field of partial discharge online monitoring, and particularly relates to a guide rail type mobile switch cabinet partial discharge online monitoring sensor.
Background
The partial discharge refers to the discharge which occurs between the electrodes but does not penetrate the electrodes, and is caused by weak current in the insulation of the equipment or defects caused in the production process, and the phenomenon of repeated breakdown and extinction under the action of high electric field intensity is represented by the breakdown of gas in the insulation, the partial breakdown of solid or liquid medium in a small range or the partial breakdown discharge caused by the intensive field at the edge and sharp corner of the metal surface, and the like.
The current partial discharge monitoring usually carries out the operation through the ultrasonic detection method, but at present mainly relies on the manual work to carry out periodic detection, and this kind of mode is though comparatively simple and convenient, and the cost is lower, but operating time is longer, and can not carry out 24h and carry out incessant detection, after local problem appearing, can't carry out timely effectual detection to it, still let electrical equipment be in under the risk breach.
Therefore, we propose an online partial discharge monitoring sensor for a guide rail type mobile switch cabinet to solve the above problems.
Disclosure of Invention
The invention aims to solve the problems and provides an on-line partial discharge monitoring sensor of a guide rail type mobile switch cabinet, which can effectively save human resources for a long time.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an online monitoring sensor is put in guide tracked removal cubical switchboard office, includes the combination cubical switchboard body and the stage body, the upper end of the stage body and the lower extreme fixed connection of the combination cubical switchboard body, guide rail and lower rail on the back fixedly connected with of the combination cubical switchboard body, go up the upper and lower both ends edge setting that guide rail and lower rail are close to the combination cubical switchboard body respectively, go up equal sliding connection in guide rail and the lower rail and have first slider of assorted with it, be equipped with the drive mechanism who is used for coordinating first slider in the lower rail, the vertical detection mechanism that is equipped with in one side of the combination cubical switchboard body, detection mechanism's upper and lower both ends respectively with the relative lateral wall fixed connection of two first sliders, fixedly connected with monitoring mechanism on the one end lateral wall of the combination cubical switchboard body, monitoring mechanism and the equal electric connection of detection mechanism, drive mechanism.
In the on-line monitoring sensor is put in foretell guide tracked mobile switch cabinet office, drive mechanism includes that the level sets up the threaded rod in the lower guideway, the one end of threaded rod rotates with the inner wall of lower guideway to be connected, the other end screw thread of threaded rod runs through first slider and extends to the outside of lower guideway, a driving motor of fixedly connected with on the one end lateral wall of lower guideway, a driving shaft and the threaded rod of driving motor are located the coaxial fixed connection of one end outside the lower guideway.
In the on-line monitoring sensor is put in foretell guide tracked mobile switch cabinet office, detection mechanism includes the vertical guide post that sets up in combination switch cabinet body one side, the vertical spout that is equipped with of one end of guide post, be equipped with assorted second slider with it in the spout, the gomphosis has second driving motor on the one end lateral wall that the spout notch was kept away from to the second slider, coaxial fixedly connected with gear in second driving motor's the drive shaft, fixedly connected with chucking mechanism on the one end lateral wall that second driving motor was kept away from to the second slider, fixedly connected with rack on the inner wall of spout, rack and gear engagement.
In the on-line monitoring sensor is put in foretell guide tracked mobile switch cabinet office, chucking mechanism includes the connecting block of fixed connection on the second slider lateral wall, the one end fixedly connected with fixed block of second slider is kept away from to the connecting block, be equipped with the card hole that link up around a plurality of on the fixed block, the bottom in card hole is equipped with the recess, the first telescopic link of bottom fixedly connected with of recess, the upper end fixedly connected with arc fixture block of first telescopic link, the cover is equipped with first spring on the first telescopic link, the rear portion block of fixed block has the closing cap that is used for sealing a plurality of card holes, fixedly connected with triggers the board on the one end lateral wall of fixed block is kept away from to the closing cap.
In the above-mentioned guide tracked mobile switch cabinet partial discharge on-line monitoring sensor, the card hole is close to the inner wall of the one end of the combination switch cabinet body and is inclined to contract inwards.
In the on-line monitoring sensor is put in foretell guide tracked mobile switch cabinet office, equal fixedly connected with dog, polylith on the relative lateral wall of upper guideway and lower guideway the dog is close to and is equipped with the dashpot on the one end lateral wall of guide post, many second telescopic links of fixedly connected with on the inner wall of dashpot, many the second telescopic link is close to the same baffle of dashpot notch one end fixedly connected with, the cover is equipped with the second spring on the second telescopic link.
In the above-mentioned guide rail type mobile switch cabinet partial discharge on-line monitoring sensor, a plurality of pairs of laser sensors used for matching with the trigger plate are fixedly connected to the side wall of the lower end of the upper guide rail, and each pair of laser sensors is respectively arranged near the left edge and the right edge of each group of the combined switch cabinet body.
In the online monitoring sensor is put in foretell guide tracked mobile switch cabinet office, monitoring mechanism includes the connecting rod of fixed connection in the rear upper portion bevel department of the combination switch cabinet body, the one end fixedly connected with video monitor of the combination switch cabinet body is kept away from to the connecting rod, the lower extreme fixedly connected with microprocessor of connecting rod, microprocessor and the equal electric connection of first driving motor, second driving motor, laser sensor, video monitor.
Compared with the prior art, this guide tracked mobile switch cabinet partial discharge on-line monitoring sensor's advantage lies in:
1. the invention achieves the effect that the fixed block can move up and down and left and right at the back of the combined switch cabinet body to carry out partial discharge detection operation by utilizing the upper guide rail, the lower guide rail, the guide post and the clamping mechanism through the matching of the upper guide rail, the lower guide rail, the guide post and the clamping mechanism, thereby not only effectively carrying out 24h uninterrupted partial discharge detection operation, but also being difficult to generate dead angles in a detection area, being beneficial to maintaining the safety of electrical equipment for a long time and saving human resources.
2. The invention can effectively collect information of the combined switch cabinet body without manual partial discharge detection of personnel handheld equipment by the matching of the arranged laser sensor, the trigger plate, the microcomputer processor and the video monitor, effectively improves the informationization and visualization capability of equipment monitoring, saves human resources and is convenient for better monitoring record and information retrieval.
Drawings
Fig. 1 is a schematic external structural diagram of a guide rail type mobile switch cabinet partial discharge online monitoring sensor provided by the invention;
FIG. 2 is a perspective view of the stop and baffle of FIG. 1;
FIG. 3 is a perspective view of the detection mechanism of FIG. 1;
FIG. 4 is a perspective view of the clamping mechanism of FIG. 1;
FIG. 5 is an enlarged view of a portion of FIG. 1 at A;
FIG. 6 is an enlarged view of a portion of FIG. 1 at B;
fig. 7 is a partially enlarged view at C in fig. 1.
In the figure, 1 combined switch cabinet body, 2 tables, 3 upper guide rails, 4 lower guide rails, 5 first sliding blocks, 6 transmission mechanisms, 7 detection mechanisms, 8 monitoring mechanisms, 9 threaded rods, 10 first driving motors, 11 guide posts, 12 sliding grooves, 13 second sliding blocks, 14 second driving motors, 15 gears, 16 clamping mechanisms, 17 racks, 18 connecting blocks, 19 fixing blocks, 20 clamping holes, 21 first telescopic rods, 22 arc-shaped clamping blocks, 23 first springs, 24 sealing covers, 25 trigger plates, 26 stopping blocks, 27 second telescopic rods, 28 baffle plates, 29 second springs, 30 laser sensors, 31 connecting rods, 32 video monitors and 33 microcomputer processors.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
As shown in fig. 1-7, an online monitoring sensor for partial discharge of a guide rail type mobile switch cabinet comprises a combined switch cabinet body 1 and a table body 2, wherein the table body 2 is used for erecting and placing the combined switch cabinet body 1 and is convenient for installation of ground protection and zero sequence protection thereon, the upper end of the table body 2 is fixedly connected with the lower end of the combined switch cabinet body 1, the back of the combined switch cabinet body 1 is fixedly connected with an upper guide rail 3 and a lower guide rail 4, the upper guide rail 3 and the lower guide rail 4 are arranged in parallel, the upper guide rail 3 and the lower guide rail 4 are respectively arranged close to the upper end edge and the lower end edge of the combined switch cabinet body 1, a first slider 5 matched with the upper guide rail 3 and the lower guide rail 4 are connected in a sliding manner, and a transmission mechanism 6 used for matching the first slider 5 is arranged in.
Upper and lower both ends of detection mechanism 7 respectively with the relative lateral wall fixed connection of two first sliders 5, detection mechanism 7 includes vertical guide post 11 that sets up in combination switch cabinet body 1 one side, the vertical spout 12 that is equipped with of one end of guide post 11, be equipped with assorted second slider 13 with it in the spout 12, second slider 13 keeps away from the gomphosis on the one end lateral wall of spout 12 notch and has second driving motor 14, second driving motor 14 is servo driving motor, coaxial fixedly connected with gear 15 in second driving motor 14's the drive shaft, fixedly connected with chucking mechanism 16 on the one end lateral wall that second driving motor 14 was kept away from to second slider 13.
The clamping mechanism 16 comprises a connecting block 18 fixedly connected to the side wall of the second slider 13, one end of the connecting block 18, which is far away from the second slider 13, is fixedly connected with a fixed block 19, the fixed block 19 is provided with a plurality of clamping holes 20 which are communicated back and forth, the inner wall of one end, which is close to the combined switch cabinet body 1, of each clamping hole 20 is inclined and inwardly contracted, the bottom of each clamping hole 20 is provided with a groove, each clamping hole 20 is used for mounting sensor equipment, the bottom of each groove is fixedly connected with a first telescopic rod 21, the upper end of each first telescopic rod 21 is fixedly connected with an arc-shaped clamping block 22, each first telescopic rod 1 is sleeved with a first spring 23, the upper end and the lower end of each first spring 23 are respectively abutted against the lower end of each arc-shaped clamping block 22 and the bottom of each groove, each first spring 23 is used for further clamping the mounted sensor, the rear part of the fixed, the inner wall of the sliding chute 12 is fixedly connected with a rack 17, the rack 17 is meshed with the gear 15, and the second sliding block 13 moves up and down through the rotation of the gear 15.
Go up equal fixedly connected with dog 26 on the relative lateral wall of guide rail 3 and lower guideway 4, polylith dog 26 is close to and is equipped with the dashpot on the one end lateral wall of guide post 11, many second telescopic links 27 of fixedly connected with on the inner wall of dashpot, many second telescopic links 27 are close to the same baffle 28 of dashpot notch one end fixedly connected with, the cover is equipped with second spring 29 on the second telescopic link 27, baffle 28 can realize spacing and the buffering to guide post 11, prevent to carry out unexpected impact to the sensor of installation.
Fixedly connected with is many to the laser sensor 30 that is used for the cooperation to trigger board 25 on the lower extreme lateral wall of upper guideway 3, every right left edge department that every laser sensor 30 is close to 1 every group of the combination switch cabinet body respectively sets up, can convey information after contacting with laser sensor 30 when guide post 11 removes, the accurate positioning switch cabinet, and realize that data is accurate to upload, cooperate video monitor 32 again so that realize the visual remote monitoring of local detail, fixedly connected with monitoring mechanism 8 on the one end lateral wall of the combination switch cabinet body 1.
Monitoring mechanism 8 and detection mechanism 7, the equal electric connection of drive mechanism 6, monitoring mechanism 8 includes the connecting rod 31 of fixed connection in the upper portion bevel department behind the combination switch cabinet body 1, the one end fixedly connected with video monitor 32 of the combination switch cabinet body 1 is kept away from to connecting rod 31, the lower extreme fixedly connected with microprocessor 33 of connecting rod 31, microprocessor 33 and first driving motor 10, second driving motor 14, laser sensor 30, the equal electric connection of video monitor 32, first driving motor 10, second driving motor 14, laser sensor 30, video monitor 32, microprocessor 33 is prior art, do not do this and describe repeatedly.
When the invention is used, the microcomputer processor 33 exchanges and is connected with the background transmission and control room, when the partial discharge operation is needed, the microcomputer processor 33 cooperates with the first driving motor 10 and the second driving motor 14 to operate, the first driving motor 10 rotates to drive the threaded rod 9 to rotate, so that the first slide block 5 moves in the lower guide rail 4, and simultaneously the guide post 11 drives the first slide block 5 in the upper guide rail 3 to synchronously move, so that the guide post 11 can freely move left and right, then the second driving motor 14 starts to drive the gear 15 to rotate, so that the gear drives the fixed block 19 to move up and down through the rack 17 in the chute 12, so as to perform dead-angle-free ultrasonic detection on the combined switch cabinet body 1, one or more sensors can be inserted into a plurality of holes 20 in the fixed block 19, and the sensors are clamped by the first spring 23 and the arc-shaped block 22, so that can realize the partial defect location of putting, can convey information after trigger plate 25 and laser sensor 30 contact, accurate positioning switch cabinet, and realize that the data is accurate to upload, cooperate video monitor 32 again so that realize the visual remote monitoring of local detail, can effectually carry out 24 incessant partial discharge detection operations of going on, the region that detects simultaneously also is difficult for producing the dead angle, be favorable to long-term maintenance electrical equipment's safety, simultaneously practice thrift manpower resources, be convenient for better control record.
Although the terms of the combination switch cabinet 1, the table body 2, the upper guide rail 3, the lower guide rail 4, the first slider 5, the transmission mechanism 6, the detection mechanism 7, the monitoring mechanism 8, the threaded rod 9, the first driving motor 10, the guide post 11, the sliding chute 12, the second slider 13, the second driving motor 14, the gear 15, the clamping mechanism 16, the rack 17, the connecting block 18, the fixing block 19, the clamping hole 20, the first telescopic rod 21, the arc-shaped clamping block 22, the first spring 23, the closing cover 24, the trigger plate 25, the stop 26, the second telescopic rod 27, the baffle 28, the second spring 29, the laser sensor 30, the connecting rod 31, the video monitor 32 and the microcomputer processor 33 are used more often, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (8)
1. The utility model provides an online monitoring sensor is put in guide tracked removal cubical switchboard office, includes the combination cubical switchboard body (1) and stage body (2), the upper end of stage body (2) and the lower extreme fixed connection of the combination cubical switchboard body (1), its characterized in that, the back fixedly connected with of the combination cubical switchboard body (1) goes up guide rail (3) and lower rail (4), go up guide rail (3) and lower rail (4) and be close to the upper and lower both ends edge setting of the combination cubical switchboard body (1) respectively, equal sliding connection has first slider (5) of assorted with it in going up guide rail (3) and lower rail (4), be equipped with drive mechanism (6) that are used for cooperating first slider (5) in lower rail (4), one side of the combination cubical switchboard body (1) is vertical is equipped with detection mechanism (7), the upper and lower both ends of detection mechanism (7) respectively with the relative lateral wall fixed connection of two first slider (5), fixedly connected with monitoring mechanism (8) on the one end lateral wall of the combination switch cabinet body (1), monitoring mechanism (8) and detection mechanism (7), the equal electric connection of drive mechanism (6).
2. The on-line monitoring sensor is put in guide tracked mobile switch cabinet office according to claim 1, characterized in that, drive mechanism (6) includes threaded rod (9) that the level set up in lower guideway (4), the one end of threaded rod (9) is connected with the inner wall of lower guideway (4) rotation, the other end screw thread of threaded rod (9) runs through first slider (5) and extends to the outside of lower guideway (4), fixedly connected with first driving motor (10) on the one end lateral wall of lower guideway (4), the drive shaft of first driving motor (10) and the coaxial fixed connection of one end that threaded rod (9) are located the lower guideway (4) outward.
3. The partial discharge on-line monitoring sensor for rail-type mobile switch cabinets of claim 1, the detection mechanism (7) comprises a guide post (11) vertically arranged on one side of the combined switch cabinet body (1), one end of the guide post (11) is vertically provided with a sliding chute (12), a second sliding block (13) matched with the sliding chute (12) is arranged in the sliding chute (12), a second driving motor (14) is embedded on the side wall of one end of the second sliding block (13) far away from the notch of the sliding chute (12), a gear (15) is coaxially and fixedly connected on a driving shaft of the second driving motor (14), a clamping mechanism (16) is fixedly connected on the side wall of one end of the second sliding block (13) far away from the second driving motor (14), the inner wall of the sliding groove (12) is fixedly connected with a rack (17), and the rack (17) is meshed with the gear (15).
4. The partial discharge on-line monitoring sensor of the guide rail type mobile switch cabinet according to claim 3, the clamping mechanism (16) comprises a connecting block (18) fixedly connected to the side wall of the second sliding block (13), one end of the connecting block (18) far away from the second sliding block (13) is fixedly connected with a fixed block (19), a plurality of through clamping holes (20) are arranged on the fixing block (19), a groove is arranged at the bottom of each clamping hole (20), the bottom of the groove is fixedly connected with a first telescopic rod (21), the upper end of the first telescopic rod (21) is fixedly connected with an arc-shaped clamping block (22), a first spring (23) is sleeved on the first telescopic rod (1), a sealing cover (24) used for sealing the plurality of clamping holes (20) is clamped at the rear part of the fixed block (19), and a trigger plate (25) is fixedly connected to the side wall of one end, far away from the fixed block (19), of the closed cover (24).
5. The partial discharge on-line monitoring sensor of the guide rail type mobile switch cabinet according to claim 4, wherein the inner wall of one end of the clamping hole (20) close to the combined switch cabinet body (1) is inclined inwards.
6. The sensor for monitoring the partial discharge of the guide-rail-type mobile switch cabinet on-line according to claim 3, wherein the opposite side walls of the upper guide rail (3) and the lower guide rail (4) are both fixedly connected with a stop block (26), a plurality of stop blocks (26) are arranged on the side wall of one end close to the guide column (11), the inner wall of the buffer slot is fixedly connected with a plurality of second telescopic rods (27), a plurality of second telescopic rods (27) are fixedly connected with the same stop plate (28) at one end close to the notch of the buffer slot, and the second telescopic rods (27) are sleeved with second springs (29).
7. The sensor for monitoring the partial discharge of the guide rail type mobile switch cabinet on-line according to claim 4, wherein a plurality of pairs of laser sensors (30) used for being matched with the trigger plate (25) are fixedly connected to the side wall of the lower end of the upper guide rail (3), and each pair of laser sensors (30) is respectively arranged close to the left edge and the right edge of each group of the combined switch cabinet body (1).
8. The guide tracked mobile switch cabinet local discharge on-line monitoring sensor of claim 7, wherein the monitoring mechanism (8) comprises a connecting rod (31) fixedly connected to an oblique angle at the rear upper part of the combined switch cabinet body (1), one end of the connecting rod (31) far away from the combined switch cabinet body (1) is fixedly connected with a video monitor (32), the lower end of the connecting rod (31) is fixedly connected with a microcomputer processor (33), and the microcomputer processor (33) is electrically connected with the first driving motor (10), the second driving motor (14), the laser sensor (30) and the video monitor (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911273440.3A CN110850253A (en) | 2019-12-12 | 2019-12-12 | Guide tracked removes cubical switchboard office and puts on-line monitoring sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911273440.3A CN110850253A (en) | 2019-12-12 | 2019-12-12 | Guide tracked removes cubical switchboard office and puts on-line monitoring sensor |
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| Publication Number | Publication Date |
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| CN110850253A true CN110850253A (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911273440.3A Pending CN110850253A (en) | 2019-12-12 | 2019-12-12 | Guide tracked removes cubical switchboard office and puts on-line monitoring sensor |
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| CN (1) | CN110850253A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112014699A (en) * | 2020-08-27 | 2020-12-01 | 国家电网有限公司 | High-voltage power equipment partial discharge comprehensive inspection instrument |
| CN112362920A (en) * | 2020-11-11 | 2021-02-12 | 贵州电网有限责任公司 | State monitoring sensor protection device |
| CN112822902A (en) * | 2020-12-31 | 2021-05-18 | 武汉睿特富连技术有限公司 | Electric control distribution frame cabinet device and using method thereof |
| CN113281585A (en) * | 2021-04-23 | 2021-08-20 | 武汉伊莱维特电力科技有限公司 | Partial discharge data acquisition device based on GIS switch cabinet equipment |
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Application publication date: 20200228 |