CN113285385B - Cable trench inspection detection device and detection method - Google Patents
Cable trench inspection detection device and detection method Download PDFInfo
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- CN113285385B CN113285385B CN202110553772.8A CN202110553772A CN113285385B CN 113285385 B CN113285385 B CN 113285385B CN 202110553772 A CN202110553772 A CN 202110553772A CN 113285385 B CN113285385 B CN 113285385B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/045—Allowing translations adapted to left-right translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
- F16M11/425—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels along guiding means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/02—Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention discloses a cable trench inspection detection device and a detection method, and belongs to the technical field of cable inspection. Detection device is including setting up the oval guide rail at cable pit middle part sets up small rail car on the oval figure guide rail, and set up detection mechanism patrols and examines on the small rail car, it includes grudging post, bracing piece, infrared thermal imager, camera, temperature sensor and humidity transducer to patrol and examine detection mechanism, a plurality of bracing pieces are connected to grudging post one side detachably, fixed setting on the bracing piece infrared thermal imager with humidity transducer, the camera with temperature sensor pass through adjusting part with the bracing piece is connected. The cable inspection device can be used for simultaneously inspecting and detecting the cables on the multilayer cable rack in the cable trench and accurately positioning the heating position of the cable.
Description
Technical Field
The invention relates to the technical field of cable inspection, in particular to a cable trench inspection detection device and a cable trench inspection detection method.
Background
With the development of society, the arrangement of cables gradually changes from an above-ground tower to an underground cable trench, a plurality of layers of cable frames are arranged on two sides in the cable trench, the number of the cable frames is generally 3-4, and the upper part of the cable trench is covered by a cover plate. In order to guarantee the safe operation of the power cable, the cable needs to be regularly inspected, in general, the inspection of the cable comprises the inspection of the temperature and humidity in the cable trench and the heating problem of the cable, however, the space in the cable trench is narrow and small, the space is closed, the air is dirty, and the manual inspection is inconvenient, so that the inspection robot is adopted to replace the manual inspection for inspecting the internal condition of the cable trench.
The patent document with publication number CN 104991558A discloses an automatic cable trench inspection device, which comprises a mobile chassis, wherein the mobile chassis adopts a crawler-type trolley, a temperature and humidity sensor, a route-finding camera, a data storage device and a power supply for supplying power to the whole automatic inspection device are arranged on a trolley body, a lighting lamp is also arranged at the front end of the trolley body, an electric push rod is vertically arranged on the trolley body, a cradle head is arranged at the upper part of the electric push rod, imaging equipment is arranged on the cradle head, two cradle head motors are arranged in the cradle head, a synchronous toothed wheel is arranged at the upper part of the electric push rod, and the cradle head motors are in meshing transmission with the synchronous toothed wheel through reduction gears so as to drive the cradle head to freely rotate in the horizontal direction; detect cable pit cable state through various sensors, detect cable pit temperature and humidity with the help of temperature and humidity sensor, judge cable pit environmental aspect, avoid cable operation in-process temperature process, arouse cable damage scheduling problem. However, the invention cannot simultaneously perform routing inspection detection on the cables on the multilayer cable rack in the cable trench, and cannot accurately position the heating position of the cable.
Also, for example, patent document CN 110034511A discloses a miniature inspection device for a cable trench of a transformer substation, which includes a miniature inspection device, a monitoring background and a communication module; miniature inspection device includes: the device comprises a vehicle body main body, a channel advancing mechanism, a lifting rotating mechanism, an auxiliary steering wheel, a lifting arm, a detection device, a communication module and a monitoring background, wherein the device components are used for realizing the detection of the working condition of the cable in the cable channel by the micro inspection device and feeding back the detection data to the monitoring background, and the monitoring background controls the working state of the micro inspection device according to the feedback information; the invention also discloses a method for remotely monitoring the cable trench by adopting the miniature inspection device for the cable trench of the transformer substation, which comprises initialization, inspection, data analysis and emergency treatment. However, the present invention also fails to solve the above-described technical problems.
Disclosure of Invention
In view of the above, the present invention provides a cable trench inspection detection apparatus and a detection method, which can perform inspection detection on cables on multiple cable racks in a cable trench and accurately locate a heating position of the cable.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a cable pit inspection detection device, is in including setting up the oval guide rail at cable pit middle part sets up small rail car on the oval graphic guide rail, and set up detection mechanism patrols and examines on the small rail car, it includes grudging post, bracing piece, infrared thermal imager, camera, temperature sensor and humidity transducer to patrol and examine detection mechanism, a plurality of bracing pieces are connected to grudging post one side detachably, the fixed setting on the bracing piece infrared thermal imager with humidity transducer, the camera with temperature sensor pass through adjusting part with the bracing piece is connected.
Further, the grudging post includes montant and vibration damping mount, vibration damping mount is fixed in small rail car's central point puts, vibration damping mount includes seat of honour, lower and screw rod, the four corners of lower all sets up the screw, the four corners of seat of honour all sets up the through-hole, the screw rod lower extreme passes the through-hole, and with the screw is connected, the spring is established to the cover on the screw rod, the spring is located between seat of honour and the lower, the top surface of seat of honour sets up the screw hole, the lower extreme of montant with seat of honour threaded connection.
Furthermore, the infrared thermal imager and the humidity sensor are both arranged in the middle of the bottom surface of the supporting rod; the adjusting component comprises a linear guide rail, an electric slider, an electric telescopic rod and a mounting seat, the linear guide rail is fixed on the front side of the supporting rod, the electric slider is connected with the linear guide rail in a sliding mode, one end of the electric telescopic rod is fixed on the electric slider, and the mounting seat is fixed on the other end of the electric telescopic rod.
Further, montant one side sets up the mounting groove, the both sides of mounting groove all correspond and set up a plurality of locking bolt, the one end of bracing piece is inserted and is located in the mounting groove to it is fixed through the locking bolt of both sides.
Further, montant one side sets up the mounting groove, one side of mounting groove sets up the bar slotted hole, the inner wall of bar slotted hole is equipped with the screw thread, all be equipped with the draw-in groove on the both sides inner wall of bar slotted hole, a plurality of gaskets are established to the inside card of both sides draw-in groove, the gasket middle part is equipped with the round hole, the diameter of round hole with the width of bar slotted hole is the same, be connected with locking bolt on the gasket.
Further, the mount pad includes the last piece and the lower piece of a body coupling, it sets up first jack to go up the piece top surface, it sets up first fixing bolt to go up the piece side, electric telescopic handle's lower extreme is inserted and is located first jack, and pass through first fixing bolt is fixed, the piece bottom surface sets up two second jacks down, the piece top surface sets up the wire hole down, it all sets up second fixing bolt down all to go up the piece both sides, temperature sensor with the camera is inserted respectively and is located in two second jacks to it is fixed through second fixing bolt respectively, temperature sensor with the signal line of camera is followed the wire hole is worn out, and with the control box at montant top is connected.
Further, be equipped with microcontroller, bluetooth locator and radio signal transceiver in the control box, infrared thermal imager, camera, temperature sensor, humidity transducer, electronic slider, electric telescopic handle, bluetooth locator, radio signal transceiver all with microcontroller signal connection, radio signal transceiver and the outside user terminal wireless interconnection of cable pit.
A cable trench inspection detection method comprises the following steps:
(1) Arranging an inspection detection mechanism according to the number of layers of cable racks in the cable trench, mounting support rods with the same number as the number of the layers of the cable racks on one side of a vertical rod, positioning the support rods above the cable racks, and mounting an infrared thermal imager, a camera, a temperature sensor and a humidity sensor on each support rod;
(2) The configured inspection detection mechanism is installed on a small rail car, the small rail car moves on an oval guide rail, inspection is carried out on the multilayer cable racks on two sides of the cable trench, in the inspection process, an infrared thermal imager, a temperature sensor and a humidity sensor carry out infrared detection on the cable, and detection information is transmitted to a user terminal outside the cable trench through a wireless transceiver;
(3) When an inspector outside a cable trench finds that a cable generates heat through an infrared thermal imager, the rail trolley is controlled to stop, the temperature sensor is controlled to be close to the cable through the electric telescopic rod, the position of the temperature sensor is moved through the rail trolley and the electric sliding block, the position where the cable generates heat is searched, the heating position is photographed through the camera and is transmitted to a user terminal, and whether the cable generates false alarm is determined by the inspector;
(4) Whether the inspection personnel confirm through the cable photo of the position that generates heat and overhaul, if need overhaul, the inspection personnel confirm the position of small rail car through the bluetooth locator, then open the cable cover board of small rail car top, overhaul.
Technical personnel of this trade when patrolling and examining the cable pit, it has ageing to inspect cable joint portion usually, there is not damaged cable jacket portion, and there is not percolating water or ponding phenomenon in the cable pit, like the cable pit robot of patrolling that publication No. CN 112356038A patent document discloses, including the cable equipment of patrolling and examining, the head main part, at least two can rolling annular main parts, and cylinder type main part, a head main part is connected to the at least one end of cylinder type main part, the cable is patrolled and examined the equipment mounting and is deviated from the one end of cylinder type main part in the head main part, the annular main part sets up in the cylinder type main part. Because the difficult problem that appears of cable body, and it wastes time and energy to patrol and examine cable body, manpower and material resources cost are higher, the cable pit robot of patrolling and examining as disclosed in publication No. CN 106863258B patent document, which comprises a carriage body, it snatchs the mechanism to be equipped with the apron that is used for snatching the cable pit apron on the automobile body, the front side of automobile body is equipped with detecting element, the bottom of automobile body is equipped with running gear, be equipped with the control unit and battery module in the automobile body, the apron snatchs the mechanism and includes two and snatch arm components, it includes looks upper arm to snatch arm component, underarm and roof, the upper arm is connected on the automobile body through first pivot, the middle part of the tip underarm of upper arm is articulated, the middle part of the tip of underarm and roof is articulated, the outside of roof is equipped with rotatable gripper. The invention can avoid the problem of complex internal environment of the cable trench by walking outside the cable trench, and realize the short-distance and targeted detection of the equipment in the cable trench by automatically taking the cover to stretch into the detection way. Therefore, the technicians in the industry cannot easily think that the cable body on the multilayer cable rack is comprehensively inspected in the cable trench.
In addition, in inspection of the cable body, technicians in the industry usually adopt a method of detaching a cover plate to directly detect, such as a cable trench inspection robot disclosed in patent document No. CN 106863258B; also, as disclosed in patent publication No. CN 109066463A, a cable trench inspection device includes a wheel frame spanning above a cable trench, a traveling wheel arranged on the wheel frame and rolling on the ground, a holding rod connected to the wheel frame via a connecting rod, a shooting rod arranged on the wheel frame and extending downward into the cable trench, a camera arranged on the shooting rod, and a display terminal arranged on the holding rod and electrically connected to the camera; known by above two patent documents, the technical staff of this trade is when patrolling and examining the cable body in the cable pit, need take off the cable cover plate one by one, survey again, this kind of mode is wasted time and energy, and can only survey the superiors cable frame or can only survey the cable frame side in addition, the degree of accuracy of surveying is on the low side, consequently, this application carries out the preliminary survey and the secondary of multilayer cable and confirms in the cable pit is inside, and confirm the cable position that generates heat through the bluetooth location, thereby the pertinence is demolishd the apron and is overhauld, to the technical staff of this trade, be difficult to think about and realize.
Compared with the prior art, the invention has the following beneficial effects:
according to the cable trench inspection detection device, the oval guide rail is arranged in the cable trench, and the rail trolley moves on the oval guide rail, so that the inspection detection mechanism on the cable trench can sequentially and comprehensively inspect the cables on the cable racks on two sides in the cable trench, and the damage to the operation of a power system caused by the local overheating problem of the cables is prevented; in addition, according to the inspection detection mechanism, the cable is scanned through the infrared thermal imager, and an inspector outside the cable trench checks the scanning information in real time, so that the local overheating condition of the cable can be found in time, and then the overheating condition is confirmed again through the temperature sensor, and the overheating area is photographed through the camera, so that the overheating condition is confirmed, the inspection accuracy is improved, and in the inspection process, the humidity sensor can monitor the humidity in the cable trench, so that the problem of water inflow in the cable trench is judged.
In addition, the vertical rod of the vertical frame is connected with the small rail car through the damping base, so that the vibration of the small rail car during starting or stopping can be reduced in the moving process of the small rail car, and the stability of the detection equipment is kept; the infrared thermal imager and the humidity sensor are arranged in the middle of the bottom surface of the supporting rod and can comprehensively scan the states of a plurality of cables on the cable rack, the temperature sensor and the camera are arranged on the supporting rod through the adjusting assembly, and after the infrared thermal imager scans the local heating problem, the positions of the temperature sensor and the camera can be adjusted and moved to the heating position for further confirmation, so that the accuracy of routing inspection detection is ensured; in addition, montant one side sets up the mounting groove, and the bracing piece tip is inserted and is located the mounting groove arbitrary height, then stir the gasket of mounting groove side to the position with the bracing piece parallel and level, uses bolt screw in round hole and bar slotted hole to fix the bracing piece at the montant arbitrary height, conveniently set up the height of bracing piece according to the cable rack height.
In addition, according to the cable trench inspection detection method, an inspector outside the cable trench primarily determines the heating area through the infrared thermal imager, secondarily confirms the heating condition of the cable through the temperature sensor and the camera, determines the heating position through the Bluetooth positioner, and then removes the cover plate on the upper portion of the heating position for maintenance, so that the inspection positioning accuracy is high, timely maintenance is facilitated, and the safe operation of electric power is guaranteed.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a top view of a first embodiment of the present invention;
FIG. 3 is a schematic view of the connection between the vertical rod and the supporting rod according to one embodiment of the present invention;
FIG. 4 is a schematic view of the connection between the vertical bar and the support bar according to the second embodiment of the present invention;
FIG. 5 is a front view of a vertical post in a second embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a mounting base according to a second embodiment of the present invention;
FIG. 7 is a front view of a third example of the obstacle clearing mechanism of the present invention;
fig. 8 is a plan view of the obstacle clearing mechanism in the third embodiment of the present invention.
Detailed Description
In order to better understand the present invention, the following examples are further provided to clearly illustrate the contents of the present invention, but the contents of the present invention are not limited to the following examples. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details.
Example one
As shown in fig. 1 to 3, a detection device is patrolled and examined to cable pit, including setting up oval guide rail 1 in the middle part of the cable pit, set up small rail car 2 on the oval guide rail 1, and set up detection mechanism patrols and examines on the small rail car 2, it includes grudging post, bracing piece 3, infrared thermal imager 4, camera, temperature sensor and humidity transducer 5 to patrol and examine detection mechanism, a plurality of bracing pieces 3 are connected to grudging post one side detachably, fixed setting on the bracing piece 3 infrared thermal imager 4 with humidity transducer 5, the camera with temperature sensor pass through adjusting part with the bracing piece is connected.
The grudging post includes montant 6 and vibration damping mount, vibration damping mount is fixed in rail trolley 2's central point puts, vibration damping mount includes seat of honour 7, lower 8 and screw rod 9, lower 8's four corners all sets up the screw, upper 7's four corners all sets up the through-hole, the 9 lower extremes of screw rod pass the through-hole, and with the screw is connected, spring 10 is established to the cover on the screw rod 9, spring 10 is located between upper 7 and the lower 8, upper 7's top surface sets up the screw hole, montant 6 the lower extreme with upper 7 threaded connection.
The infrared thermal imager 4 and the humidity sensor 5 are both arranged in the middle of the bottom surface of the supporting rod 3; the adjusting part comprises a linear guide rail 11, an electric slider 12, an electric telescopic rod 13 and a mounting seat 14, the linear guide rail 11 is fixed on the front side of the supporting rod 3, the electric slider 12 is connected with the linear guide rail 11 in a sliding manner, one end of the electric telescopic rod 13 is fixed on the electric slider 12, and the mounting seat 14 is fixed on the other end of the electric telescopic rod 13.
The utility model discloses a support bar, including montant 6, mounting groove 15 is set up to montant one side, the both sides of mounting groove 15 all correspond and set up a plurality of locking bolt 16, the one end of bracing piece 3 is inserted and is located in mounting groove 15 to locking bolt 16 through both sides is fixed.
The number of the support rods 3 is three.
Example two
As shown in fig. 4 to 6, the cable trench inspection detection device according to the embodiment of the present invention is different from the first embodiment in that:
montant 6 one side sets up mounting groove 15, one side of mounting groove 15 sets up the slotted hole 17, the inner wall of slotted hole 17 is equipped with the screw thread, all be equipped with the draw-in groove on the both sides inner wall of slotted hole 17, a plurality of gaskets 18 are established to the inside callipers of both sides draw-in groove, 18 middle parts of gasket are equipped with round hole 19, the diameter of round hole 19 with the width of slotted hole 17 is the same, be connected with locking bolt 16 on the gasket 18.
The mount pad includes upper block 20 and lower block 21 of integrative connection, upper block 20 top surface sets up first jack, upper block 20 side sets up first fixing bolt 22, electric telescopic handle 13's lower extreme is inserted and is located first jack, and pass through first fixing bolt 22 is fixed, lower block 21 bottom surface sets up two second jacks, lower block 21 top surface sets up the wire hole, lower block 21 both sides all set up second fixing bolt 23, temperature sensor 24 with camera 25 inserts respectively and locates in two second jacks to it is fixed through second fixing bolt 23 respectively, temperature sensor 24 with camera 25's signal line is followed the wire hole is worn out, and with the control box at montant 6 top is connected.
Be equipped with microcontroller, bluetooth locator and radio signal transceiver in the control box, infrared thermal imaging appearance, camera, temperature sensor, humidity transducer, electronic slider, electric telescopic handle, bluetooth locator, radio signal transceiver all with microcontroller signal connection, radio signal transceiver and the outside user terminal wireless interconnection of cable pit.
EXAMPLE III
As shown in fig. 7 to 8, the cable trench inspection detection device according to the embodiment of the present invention is different from the second embodiment in that:
2 front sides of small rail car are equipped with clearance barrier mechanism, clearance barrier mechanism includes driving motor 26, cleaning wheel 27 and support body 28 (figure 8 not shown), the fixed first umbelliform gear 29 that sets up on driving motor 26's the output shaft, support body 28 one end with small rail car 2 passes through bolt fixed connection, two bearings 30 of other end parallel arrangement, all is provided with pivot 31 on two bearings 30, all sets up second umbelliform gear 32 on two pivots 31 with cleaning wheel 27, two second umbelliform gears 32 all with first umbelliform gear 29 meshes, cleaning wheel 27 includes the wheel body and sets up the nylon brush hair of wheel body week side.
In the embodiment of the invention, as the cover plate is required to be laid on the cable trench in the later construction stage, the stone and dust can be undoubtedly fallen on the oval guide rail, so that the movement of the small rail car is influenced, therefore, the obstacle clearing mechanism is arranged on the front side of the small rail car of the cable trench routing inspection detection device, and the two clearing wheels can clear away the dust and other impurities on the guide rail, so as to ensure the smooth movement of the small car.
Example four
As shown in fig. 1, 2, 4, 5, 6, a detection device is patrolled and examined to cable pit, including setting up the oval guide rail at cable pit middle part sets up small rail car on the oval guide rail of drawing, and set up detection mechanism patrols and examines on the small rail car, it includes grudging post, bracing piece, infrared thermal imager, camera, temperature sensor and humidity transducer to patrol and examine detection mechanism, a plurality of bracing pieces are connected to grudging post one side detachably, fixed setting on the bracing piece infrared thermal imager with humidity transducer, the camera with temperature sensor pass through adjusting part with the bracing piece is connected.
The grudging post includes montant and vibration damping mount, vibration damping mount is fixed in small rail car's central point puts, vibration damping mount includes seat of honour, lower and screw rod, the four corners of lower all sets up the screw, the four corners of seat of honour all sets up the through-hole, the screw rod lower extreme passes the through-hole, and with the screw is connected, the spring is established to the cover on the screw rod, the spring is located between seat of honour and the lower, the top surface of seat of honour sets up the screw hole, the lower extreme of montant with seat of honour threaded connection.
The infrared thermal imager and the humidity sensor are both arranged in the middle of the bottom surface of the supporting rod; the adjusting component comprises a linear guide rail, an electric slider, an electric telescopic rod and a mounting seat, the linear guide rail is fixed on the front side of the supporting rod, the electric slider is connected with the linear guide rail in a sliding mode, one end of the electric telescopic rod is fixed on the electric slider, and the mounting seat is fixed on the other end of the electric telescopic rod.
Montant one side sets up the mounting groove, one side of mounting groove sets up the bar slotted hole, the inner wall of bar slotted hole is equipped with the screw thread, all be equipped with the draw-in groove on the both sides inner wall of bar slotted hole, a plurality of gaskets are established to the inside callipers of both sides draw-in groove, the gasket middle part is equipped with the round hole, the diameter of round hole with the width of bar slotted hole is the same, be connected with the locking bolt on the gasket.
The mount pad includes the last piece and the lower piece of a body coupling, the last piece top surface sets up first jack, the last piece side sets up first fixing bolt, the lower extreme of telescopic link is inserted and is located first jack, and pass through first fixing bolt is fixed, the lower piece bottom surface sets up two second jacks, the lower piece top surface sets up the wire hole, the piece both sides all set up second fixing bolt down, temperature sensor with the camera is inserted respectively and is located in two second jacks to it is fixed through second fixing bolt respectively, temperature sensor with the signal line of camera is followed the wire hole is worn out, and with the control box at montant top is connected.
Be equipped with microcontroller, bluetooth locator and radio signal transceiver in the control box, infrared thermal imaging appearance, camera, temperature sensor, humidity transducer, electronic slider, electric telescopic handle, bluetooth locator, radio signal transceiver all with microcontroller signal connection, radio signal transceiver and the outside user terminal wireless interconnection of cable pit.
The detection method of the cable trench inspection detection device provided by the embodiment of the invention comprises the following steps:
(1) Arranging an inspection detection mechanism according to the number of layers of cable racks in the cable trench, mounting support rods with the same number of layers as the cable racks on one side of a vertical rod, enabling the support rods to be positioned above the cable racks, and then mounting an infrared thermal imager, a camera, a temperature sensor and a humidity sensor on each support rod;
(2) The method comprises the following steps that a configured inspection detection mechanism is installed on a small rail car, the small rail car moves on an oval guide rail, inspection is conducted on multiple layers of cable frames on two sides of a cable trench, in the inspection process, an infrared thermal imager, a temperature sensor and a humidity sensor conduct infrared detection on cables, and detection information is transmitted to a user terminal outside the cable trench through a wireless transceiver;
(3) When an inspector outside a cable trench finds that a cable generates heat through an infrared thermal imager, the rail trolley is controlled to stop, the temperature sensor is controlled to be close to the cable through the electric telescopic rod, the position of the temperature sensor is moved through the rail trolley and the electric sliding block, the position where the cable generates heat is searched, the heating position is photographed through the camera and is transmitted to a user terminal, and whether the cable generates false alarm is determined by the inspector;
(4) Whether the inspection personnel confirm through the cable photo of the position that generates heat and overhaul, if need overhaul, the inspection personnel confirm the position of small rail car through the bluetooth locator, then open the cable cover board of small rail car top, overhaul.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited, and other modifications or equivalent substitutions made by the technical solutions of the present invention by the persons skilled in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (1)
1. The utility model provides a detection device is patrolled and examined to cable pit which characterized in that: the cable duct inspection device comprises an oval guide rail arranged in the middle of a cable duct, a rail trolley arranged on the oval guide rail and an inspection detection mechanism arranged on the rail trolley, wherein the inspection detection mechanism comprises a vertical frame, a support rod, an infrared thermal imager, a camera, a temperature sensor and a humidity sensor;
the vertical frame comprises a vertical rod and a shock absorption base, the shock absorption base is fixed at the central position of the rail trolley, the shock absorption base comprises an upper seat, a lower seat and a screw rod, screw holes are formed in four corners of the lower seat, through holes are formed in four corners of the upper seat, the lower end of the screw rod penetrates through the through holes and is connected with the screw holes, a spring is sleeved on the screw rod and is positioned between the upper seat and the lower seat, a threaded hole is formed in the top surface of the upper seat, and the lower end of the vertical rod is in threaded connection with the upper seat;
the infrared thermal imager and the humidity sensor are both arranged in the middle of the bottom surface of the supporting rod; the adjusting assembly comprises a linear guide rail, an electric sliding block, an electric telescopic rod and a mounting seat, the linear guide rail is fixed on the front side of the supporting rod, the electric sliding block is connected with the linear guide rail in a sliding mode, one end of the electric telescopic rod is fixed on the electric sliding block, and the mounting seat is fixed at the other end of the electric telescopic rod;
one side of the vertical rod is provided with a mounting groove, one side of the mounting groove is provided with a strip-shaped groove hole, the inner wall of the strip-shaped groove hole is provided with threads, the inner walls of two sides of the strip-shaped groove hole are respectively provided with a clamping groove, a plurality of gaskets are clamped in the clamping grooves of the two sides, the middle parts of the gaskets are provided with round holes, the diameter of each round hole is the same as the width of the strip-shaped groove hole, and each gasket is connected with a locking bolt;
the mounting seat comprises an upper block and a lower block which are integrally connected, wherein a first jack is arranged on the top surface of the upper block, a first fixing bolt is arranged on the side surface of the upper block, the lower end of the electric telescopic rod is inserted into the first jack and is fixed through the first fixing bolt, two second jacks are arranged on the bottom surface of the lower block, a wire outlet is arranged on the top surface of the lower block, second fixing bolts are arranged on two sides of the lower block, the temperature sensor and the camera are respectively inserted into the two second jacks and are respectively fixed through the second fixing bolts, and signal wires of the temperature sensor and the camera penetrate out of the wire outlet and are connected with a control box at the top of the vertical rod;
a microcontroller, a Bluetooth positioner and a wireless signal transceiver are arranged in the control box, the infrared thermal imager, the camera, the temperature sensor, the humidity sensor, the electric slider, the electric telescopic rod, the Bluetooth positioner and the wireless signal transceiver are in signal connection with the microcontroller, and the wireless signal transceiver is wirelessly interconnected with a user terminal outside the cable trench;
the detection method of the cable trench inspection detection device comprises the following steps:
(1) Arranging an inspection detection mechanism according to the number of layers of cable racks in the cable trench, mounting support rods with the same number of layers as the cable racks on one side of a vertical rod, enabling the support rods to be positioned above the cable racks, and then mounting an infrared thermal imager, a camera, a temperature sensor and a humidity sensor on each support rod;
(2) The method comprises the following steps that a configured inspection detection mechanism is installed on a small rail car, the small rail car moves on an oval guide rail, inspection is conducted on multiple layers of cable frames on two sides of a cable trench, in the inspection process, an infrared thermal imager, a temperature sensor and a humidity sensor conduct infrared detection on cables, and detection information is transmitted to a user terminal outside the cable trench through a wireless transceiver;
(3) When an inspector outside a cable trench finds that a cable generates heat through an infrared thermal imager, the rail trolley is controlled to stop, the temperature sensor is controlled to be close to the cable through the electric telescopic rod, the position of the temperature sensor is moved through the rail trolley and the electric sliding block, the position where the cable generates heat is searched, the heating position is photographed through the camera and is transmitted to a user terminal, and whether the cable generates false alarm is determined by the inspector;
(4) Whether the inspection personnel confirm to overhaul through the cable photo of the position that generates heat, if need overhaul, the inspection personnel confirm small rail car's position through the bluetooth locator, then open the cable cover board of small rail car top, overhaul.
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| CN113922316B (en) * | 2021-09-26 | 2023-06-16 | 国网浙江省电力有限公司金华供电公司 | Cable trench cover plate of transformer substation |
| CN113844850A (en) * | 2021-10-09 | 2021-12-28 | 重庆海通吉佳智能装备有限公司 | Vertical circulating type three-dimensional outer guide rail with detection mechanism |
| CN114018328B (en) * | 2021-11-04 | 2024-05-10 | 杭州巨骐信息科技股份有限公司 | Inspection equipment for grounding box |
| CN114166536A (en) * | 2021-11-09 | 2022-03-11 | 南方电网科学研究院有限责任公司 | Cable trench cover board road surface analogue means |
| CN113964776B (en) * | 2021-11-15 | 2023-11-21 | 国网河南省电力公司电力科学研究院 | Cable pit fire prevention inspection detection device based on endoscope technique |
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