CN116027109A - On-line rapid detection cable conductor resistance device - Google Patents
On-line rapid detection cable conductor resistance device Download PDFInfo
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- CN116027109A CN116027109A CN202211711075.1A CN202211711075A CN116027109A CN 116027109 A CN116027109 A CN 116027109A CN 202211711075 A CN202211711075 A CN 202211711075A CN 116027109 A CN116027109 A CN 116027109A
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Abstract
The invention discloses an on-line rapid detection cable conductor resistance device, which comprises a fixed position detection system and a mobile position detection system; the fixed position detection system comprises a main body and a control mechanism, wherein the control mechanism comprises a control box, the top of the control box is fixedly provided with a rotating hinge, the control box is rotationally connected with a box cover through the rotating hinge, a front gauge of the box cover is fixedly connected with a sealing plate, the front of the box cover is embedded and provided with a signal control board, the top of the control box is embedded and provided with a display screen, the top of the control box is fixedly provided with a control key, the bottom of the control box is fixedly connected with a base, and the bottom of the main body is provided with an alarm mechanism; the lower clamping plate is fixedly connected to the top of the main body, the upper clamping plate and the lower clamping plate can be fixed outside the cable, so that the resistance detection plate is attached to the cable, the resistance of the cable is conveniently monitored and placed in real time, the installation efficiency is improved, and the monitoring convenience is improved.
Description
Technical Field
The invention relates to the technical field of wire and cable safety detection, in particular to an on-line rapid detection device for cable conductor resistance.
Background
With the increasing development of society, the demand of electric power resources shows a trend of rapid development, and the functions of wires and cables are more remarkable. No matter daily electricity is used or industrial production electricity is used, the important functions of wires and cables are not needed, the performances of the wires and cables are directly related to the final electricity use and production effect of users, and based on the background, the safety detection of the wires and cables becomes a necessary working link of related staff. In various detection works aiming at wire and cable equipment, the power supply safety and power supply energy efficiency of the wire and the cable are seriously affected by the resistance of the wire and the cable, the temperature of the wire and the cable can effectively reflect the operation condition of the wire and the cable, and the safety detection of the wire and the cable can be effectively realized through the detection of the resistance of the wire and the cable. The following problems exist in the prior art:
1. the existing device for rapidly detecting the cable conductor resistance on line is inconvenient to mount and fix and realize remote detection, and has slower efficiency when a worker performs fixation and overhaul;
2. the existing device for rapidly detecting the conductor resistance of the cable on line cannot protect the device and the cable, the device is exposed outside and is easy to damage, and the cable can be damaged during installation.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the following technical scheme:
an on-line rapid detection cable conductor resistance device, a fixed position detection system and a mobile position detection system; the fixed position detecting system comprises a main body and a control mechanism, the control mechanism comprises a control box, a rotating hinge is fixedly arranged at the top of the control box, the control box is rotationally connected with a box cover through the rotating hinge, a sealing plate is fixedly connected with a front gauge of the box cover, a signal control board is embedded and installed on the front face of the box cover, a display screen is embedded and installed at the top of the control box, a control key is fixedly arranged at the top of the control box, a base is fixedly connected with the bottom of the control box, an alarm mechanism is arranged at the bottom of the main body, and the alarm mechanism comprises a shell.
The technical scheme of the invention is further improved as follows: the top of shell is opened there is the connecting screw thread, the shell passes through connecting screw thread threaded connection in the bottom of main part, the inside of shell is provided with the battery.
The technical scheme of the invention is further improved as follows: the front of shell fixed mounting has the pilot gauge, the inside rotation of pilot gauge is connected with the pointer, the front fixedly connected with trigger plate of pilot gauge.
The technical scheme of the invention is further improved as follows: the detection mechanism comprises a lower clamping plate which is fixedly connected to the top of the main body.
The technical scheme of the invention is further improved as follows: the top fixedly connected with spring board of lower plate, the top fixedly connected with bottom plate of spring board.
The technical scheme of the invention is further improved as follows: the top embedding of bottom plate is installed resistance pick-up plate, detection mechanism's top is provided with fixed establishment, fixed establishment includes the punch holder.
The technical scheme of the invention is further improved as follows: the both sides of punch holder are all fixedly connected with mounting panel, the inside of mounting panel is opened there is the mounting hole, the inside threaded connection of mounting hole has the mounting bolt.
The technical scheme of the invention is further improved as follows: the upper clamping plate is fixedly connected with the lower clamping plate through a mounting bolt, the bottom of the upper clamping plate is fixedly connected with a protection pad, and the bottom of the upper clamping plate is fixedly connected with a circuit board.
The technical scheme of the invention is further improved as follows: the bottom of the circuit board is fixedly connected with a data transmission module, and the bottom of the circuit board is fixedly connected with a data receiving module.
The technical scheme of the invention is further improved as follows: the mobile position detection system comprises a left lantern ring and a right lantern ring which are detachably sleeved outside the cable and are mutually symmetrical in structure; a plurality of arc-shaped elastic rods with outwards bulged middle parts are connected between the left lantern ring and the right lantern ring; the plurality of arc-shaped elastic rods are uniformly distributed around the periphery of the cable; the middle part of the arc elastic rod is bent at one side close to the cable and the other side back to the cable, and arc piezoelectric ceramic strips are respectively and fixedly attached to the arc elastic rod; the controller controls an external circuit to drive the extension or shortening of the piezoelectric ceramic strip; the left collar comprises a plurality of connectors; the bottom surface of the connector is lapped against the outer surface of the cable; a fixed slot is respectively arranged on one side surface of the connector; the arc elastic rod can be detached and locked with the fixed slot in an inserting and matching manner; elastic stretchable arc rods are connected between the adjacent connecting bodies; a plurality of arc-shaped conducting rods are embedded in the left sleeve ring along the circumference of the left sleeve ring; under the static state, the end parts of the adjacent arc-shaped conducting rods are electrically contacted in the middle part of the elastic stretchable arc rod; the controller receives and analyzes the magnitude of the induction current generated by the conductive ring body formed by connecting the plurality of arc-shaped conductive rods.
The technical scheme of the invention is further improved as follows: one surface of the connector, which is contacted with the cable, is respectively provided with a hole groove; an electromagnet is fixedly arranged on the Kong Caode part; a telescopic column is sleeved in the hole groove in a sliding way; one end of the telescopic column, which is positioned in the hole groove, is fixed with a permanent magnet, and the other end of the telescopic column, which faces the outside of the hole groove, is fixed with a friction head; the telescopic column is slightly inclined to one side of the arc-shaped elastic rod; and a return spring is connected between the telescopic column and the electromagnet.
The technical scheme of the invention is further improved as follows: the monitoring method of the mobile bit detection system comprises the following steps:
(1) the left lantern ring and the right lantern ring are respectively assembled and sleeved outside the cable, and a plurality of arc-shaped elastic rods are correspondingly and fixedly inserted into the fixing slots to be fixed, so that a fusiform frame structure is formed;
(2) the controller controls the electromagnet on the right lantern ring to be electrified and pushes the telescopic column to extend out of the hole groove to squeeze the surface of the cable through repulsive force, so that a tightening force is formed;
(3) the controller controls the middle bending part of the arc-shaped elastic rod to stretch the piezoelectric ceramic strip at one side close to the cable and shortens the piezoelectric ceramic strip at the other side back to the cable, so that the middle bending part of the arc-shaped elastic rod is driven to stretch to two sides; because the right lantern ring on the right side hoops the cable surface through the telescopic column, all stretching amounts of the arc-shaped elastic rod in the horizontal direction face the left lantern ring direction to push the left lantern ring to move leftwards, when the middle part of the arc-shaped elastic rod stretches towards the two ends, the stretching of the arc-shaped structure of the arc-shaped elastic rod enables the two ends of the arc-shaped elastic rod to have a tendency of outwards deflecting the cable, so that the connecting body is driven to move outwards, the distance between the connecting body and the cable surface is formed, the left lantern ring is convenient to push and move, and the right lantern ring still hoops the cable through the telescopic column; because each connector moves outwards of the cable, the elastic stretchable arc rod is stretched to be longer, so that the end interval between the arc-shaped conducting rods embedded in the stretchable arc rod is increased, a gap is formed and no electric contact is performed, a loop cannot be formed, and thus induced current cannot be generated;
(4) the controller controls the telescopic column of the left lantern ring to stretch and tighten the cable, and the telescopic column of the right lantern ring returns to the initial position to loosen the tightening of the cable; the controller controls the middle part of the arc-shaped elastic rod to be bent and positioned at one side close to the cable to be shortened, and the piezoelectric ceramic strip at the other side back to the cable to be stretched, so that the bending degree of the middle part of the arc-shaped elastic rod is driven to be increased; therefore, the distance between the two ends of the arc-shaped elastic rod is pulled to be shortened, and the left lantern ring on the left side is used for tightening the surface of the cable through the telescopic column, so that the whole shrinkage of the arc-shaped elastic rod in the horizontal direction is compensated by the left movement of the right lantern ring; the right collar is thus moved to the left; in the process that the bending degree of the bending part at the middle part of the arc-shaped elastic rod is increased, the arc-shaped structure enables the two ends of the arc-shaped elastic rod to have a tendency of deflecting and extruding towards the surface of the cable, so that the end parts of all the arc-shaped conductive rods embedded in the arc-shaped elastic rod are kept in electrical contact, and induced current generated by a loop is received and analyzed by a controller; at this time, the left collar is stationary, so that the induced current generated there is static; the right lantern ring moves leftwards, and induction current is generated in the whole moving process and is dynamic, and the induction current is received and analyzed by the controller;
(5) the steps (2) to (4) are repeated to realize that the mobile bit detection system continuously moves along the cable, continuously receives and analyzes the induced current data, reversely pushes the change of the current in the cable according to the data, and then calculates the resistance of the cable according to the product relation of the voltage, the current and the resistance, and the resistance change of each part of the cable can be calculated along with the movement of the mobile bit detection system on the cable.
By adopting the technical scheme, compared with the prior art, the invention has the following technical progress:
1. the invention provides an on-line rapid detection device for cable conductor resistance, wherein a fixed position detection system is under the combined action of an upper clamping plate, a lower clamping plate and a resistance detection plate, the lower clamping plate is fixedly connected to the top of a main body, the upper clamping plate is fixedly connected with the lower clamping plate through a mounting bolt, the upper clamping plate and the lower clamping plate can be fixed outside a cable, the resistance detection plate is attached to the cable, the real-time monitoring of the resistance of the cable is facilitated, the placement is simple and convenient, the installation efficiency of staff is improved, and the monitoring convenience is improved.
2. The invention provides an on-line rapid detection cable conductor resistance device, wherein a fixed position detection system is fixedly arranged on the front surface of a shell under the combined action of an indicator, a pointer and a trigger plate, the pointer rotates in the indicator, the pointer rotates to indicate resistance measured by a resistance detection plate, the trigger plate is fixed on the front surface of the indicator, the trigger plate is fixed on scales corresponding to the maximum resistance value and the minimum resistance value, alarm information can be prompted when the pointer is contacted with the trigger plate, and staff can be conveniently prompted that the resistance value exceeds a normal range.
3. The invention provides an on-line rapid detection cable conductor resistance device, wherein a fixed position detection system is used for conveniently adjusting data of a resistance detection plate by a worker through a control key of a display screen arranged at the top of a control box under the combined action of the control box and a signal control plate, the display screen is convenient for the worker to observe, the signal control plate is fixed on the front surface of a box cover, an adjusting signal can be remotely emitted, remote detection is realized, convenience is provided for the worker, and the working efficiency of the worker is improved.
4. The invention provides an on-line rapid detection cable conductor resistance device, wherein a fixed position detection system is fixedly connected to the bottom of an upper clamping plate under the combined action of a protection pad and a spring plate, the protection pad can protect a data transmission module and a data receiving module, the data transmission module and the data receiving module are prevented from being damaged due to long-term exposure, normal operation of signals received by the data transmission module and the data receiving module is ensured, and the spring plate can play a certain buffering role to prevent the cable from being damaged when the device is fixed.
5. The invention provides an on-line rapid detection cable conductor resistance device, wherein a mobile position detection system utilizes an arc-shaped elastic rod to combine with a piezoelectric ceramic strip, controls the bending curvature of the middle part of the arc-shaped elastic rod by controlling the extension and the shortening of the piezoelectric ceramic strip, and then utilizes the support limit of a cable on two ends of the arc-shaped elastic rod and the sleeving limit of a left lantern ring and a right lantern ring to convert the bending curvature change of the arc-shaped elastic rod into the interval change of two ends of the arc-shaped elastic rod; the effect of controllable cable tightening by the telescopic column driven by the electromagnet is combined, so that the inconvenience of freely selecting the position of any end of the arc-shaped elastic rod in the interval change is realized, the interval change is reflected by the movement of the other end, by means of the method, the effect of worm-like movement is skillfully realized by continuously switching the inconvenience of the position of one end of the arc-shaped elastic rod and combining the control of stretching and shrinking of the bending part of the arc-shaped elastic rod, and the action effect of highly controllable stable feeding along the cable is realized, and the whole structure is quite simple; in addition, in the moving process of the moving position detection system, the left lantern ring or the right lantern ring alternately tightens the cable, so that the movement is stable and accurate, and errors or faults are not easy to happen.
6. The invention provides an on-line rapid detection cable conductor resistance device, wherein a mobile position detection system is skillfully integrated with a segmented arc-shaped conducting rod in a left lantern ring and a right lantern ring, the influence of the change of the bending degree of the middle part of the arc-shaped conducting rod on the deflection of two ends of the arc-shaped conducting rod is utilized, the effect that the segmented arc-shaped conducting rod is automatically and continuously switched between a disconnected loop and a component loop along with the movement of the mobile position detection system is realized, the combination of induced current generated in a static state and induced current generated in a moving state is realized, the system can continuously receive and analyze the induced current data, and the change of the current in a cable is reversely pushed according to the data, and the cable resistance and the change condition thereof can be calculated according to the product relation of voltage, and the cable resistance and the change condition thereof can be calculated along with the movement of the mobile position detection system on the cable, and the resistance data and the resistance change condition of the cable can be obtained by implementation and calculation.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a stationary detection system according to the present invention;
FIG. 2 is a schematic structural view of a fixing mechanism of the fixing position detecting system according to the present invention;
FIG. 3 is a schematic diagram of a monitoring mechanism of the stationary detection system according to the present invention;
FIG. 4 is a schematic diagram of the alarm mechanism of the stationary detection system of the present invention;
FIG. 5 is a schematic diagram of a control mechanism of the stationary detection system according to the present invention;
FIG. 6 is a schematic view of the structure of an elastically stretchable arc rod of the mobile position detection system of the present invention in a static state;
FIG. 7 is a schematic view of the structure of an elastically stretchable arc rod of the mobile station detecting system of the present invention in a stretched and elongated state;
FIG. 8 is a schematic view of the structure of an elastically stretchable arc rod of the mobile position detection system of the present invention in a contracted state;
FIG. 9 is an axial schematic view of a mobile position detection system according to the present invention;
FIG. 10 is an axial schematic view of a left collar of the mobile position detection system of the present invention;
FIG. 11 is an enlarged view of circle A in FIG. 7;
FIG. 12 is an enlarged view of circle B of FIG. 7;
FIG. 13 is an enlarged view of circle C of FIG. 8;
FIG. 14 is an enlarged view of circle D of FIG. 8;
fig. 15 is an enlarged view of the small circle in fig. 11.
In the figure: 1. a main body; 2. a control mechanism; 21. a control box; 22. a case cover; 23. a rotating hinge; 24. a display screen; 25. a control key; 26. a base; 28. a sealing plate; 27. a signal control board; 3. an alarm mechanism; 31. a housing; 32. a battery; 33. a connecting thread; 34. an indicator; 35. a trigger plate; 36. a pointer; 4. a fixing mechanism; 41. an upper clamping plate; 42. a protective pad; 43. a mounting plate; 44. a mounting hole; 45. a circuit board; 46. a data transfer module; 47. a data receiving module; 5. a detection mechanism; 51. a lower clamping plate; 52. a bottom plate; 53. a spring plate; 54. a resistance detection plate; 6. installing a bolt; 7. a cable; 81. a left collar; 810. a return spring; 811. a connecting body; 812. an elastically stretchable arc rod; 813. an arc-shaped conducting rod; 814. a hole groove; 815. an electromagnet; 816. a telescopic column; 817. a permanent magnet; 818. a friction head; 819. a fixed slot; 82. a right collar; 83. an arc-shaped elastic rod; 84. a piezoelectric ceramic strip.
Detailed Description
The invention is further illustrated by the following examples:
1-5, the invention provides an on-line rapid detection cable conductor resistance device, which comprises a fixed position detection system and a mobile position detection system; the fixed position detecting system comprises a main body 1 and a control mechanism 2, wherein the control mechanism 2 comprises a control box 21, a rotating hinge 23 is fixedly arranged at the top of the control box 21, the control box 21 is rotatably connected with a box cover 22 through the rotating hinge 23, a sealing plate 28 is fixedly connected with a front gauge of the box cover 22, a signal control plate 27 is embedded and installed at the front of the box cover 22, a display screen 24 is embedded and installed at the top of the control box 21, a control key 25 is fixedly arranged at the top of the control box 21, a base 26 is fixedly connected at the bottom of the control box 21, an alarm mechanism 3 is arranged at the bottom of the main body 1, and the alarm mechanism 3 comprises a shell 31.
Further, the control box 21 can be convenient for the staff to adjust the data of resistance pick-up plate 54, and the display screen 24 is convenient for the staff to observe, and signal control board 27 can carry out remote emission with adjusting signal, realizes long-range detection, provides convenient for the staff, improves staff's work efficiency.
Further, a connecting thread 33 is formed on the top of the housing 31, the housing 31 is connected to the bottom of the main body 1 through the connecting thread 33, a battery 32 is arranged in the housing 31, an indicator 34 is fixedly mounted on the front face of the housing 31, a pointer 36 is rotatably connected to the inside of the indicator 34, and a trigger plate 35 is fixedly connected to the front face of the indicator 34.
Further, the trigger plate 35 is fixed on the scale corresponding to the maximum resistance value and the minimum resistance value, when the pointer 36 contacts with the trigger plate 35, alarm information can be prompted, staff can be prompted to have the resistance value exceeding the normal range, and the battery 32 can provide power for the device.
Further, the detection mechanism 5 is arranged at the top of the main body 1, the detection mechanism 5 comprises a lower clamping plate 51, the lower clamping plate 51 is fixedly connected to the top of the main body 1, a spring plate 53 is fixedly connected to the top of the lower clamping plate 51, a bottom plate 52 is fixedly connected to the top of the spring plate 53, a resistance detection plate 54 is embedded and installed at the top of the bottom plate 52, a fixing mechanism 4 is arranged at the top of the detection mechanism 5, and the fixing mechanism 4 comprises an upper clamping plate 41.
Further, the spring plate 53 can play a certain buffering role, so that the cable is prevented from being damaged when the device is fixed, and the resistance detection plate 54 can detect the resistance of the cable.
Further, both sides of the upper clamping plate 41 are fixedly connected with a mounting plate 43, a mounting hole 44 is formed in the mounting plate 43, a mounting bolt 6 is connected to the mounting hole 44 through internal threads, the upper clamping plate 41 is fixedly connected with the lower clamping plate 51 through the mounting bolt 6, a protection pad 42 is fixedly connected to the bottom of the upper clamping plate 41, a circuit board 45 is fixedly connected to the bottom of the upper clamping plate 41, a data transmission module 46 is fixedly connected to the bottom of the circuit board 45, and a data receiving module 47 is fixedly connected to the bottom of the circuit board 45.
Further, the protection pad 42 can protect the data transmission module 46 and the data receiving module 47, so as to prevent the data transmission module 46 and the data receiving module 47 from being damaged due to long-term exposure, and ensure the normal operation of the data transmission module 46 and the data receiving module 47 for receiving signals.
The working principle of the fixed position detection system is as follows.
As shown in fig. 1-5, the lower clamping plate 51 is fixedly connected to the top of the main body 1, the upper clamping plate 41 is fixedly connected with the lower clamping plate 51 through the mounting bolt 6, the upper clamping plate 41 and the lower clamping plate 51 are fixed to the outside of a cable, the resistance detection plate 54 is attached to the cable, real-time monitoring of the resistance of the cable is facilitated, and the mounting is simple and convenient, the efficiency of staff mounting is improved, the monitoring convenience is improved, the indicator meter 34 is fixedly arranged on the front surface of the housing 31, the pointer 36 rotates in the indicator meter 34, the pointer 36 rotates to indicate the resistance measured by the resistance detection plate 54, the trigger plate 35 is fixed on the front surface of the indicator meter 34, the trigger plate 35 is fixed on the corresponding scale of the maximum resistance value and the minimum resistance value, the pointer 36 contacts with the trigger plate 35, alarm information can be prompted when the resistance value of the staff exceeds a normal range, the control key 25 of the display screen 24 arranged at the top of the control box 21 is convenient for staff to adjust the data of the resistance detection plate 54, the display screen 24 is convenient for staff to observe, the signal control panel 27 is fixed on the front surface of the housing 22, remote emission of the adjusting signal is realized, the remote detection is realized, the function of the remote detection is improved, the staff is improved, the data transmission efficiency is improved, the data transmission module 46 is protected from being damaged by the data transmission module 46, the data transmission module 46 is protected from being connected to the data transmission module 46, and the data transmission module is protected from being damaged by the data transmission module 46, and the data transmission module is protected from being damaged by the data transmission module 46.
Further, as shown in fig. 6 to 15, the mobile position detecting system includes a left collar 81 and a right collar 82 detachably sleeved outside the cable 7 and structurally symmetrical to each other; a plurality of arc-shaped elastic rods 83 with outwards bulged middle parts are connected between the left lantern ring 81 and the right lantern ring 82; the plurality of arc-shaped elastic rods 83 are uniformly distributed around the periphery of the cable 7; the middle part of the arc-shaped elastic rod 83 is bent at one side close to the cable 7 and the other side opposite to the cable 7, and arc-shaped piezoelectric ceramic strips 84 are fixedly attached to the arc-shaped elastic rod respectively; the controller controls the external circuit to drive the extension or shortening of the piezoelectric ceramic strip 84; the left collar 81 includes a plurality of connectors 811; the bottom surface of the connector 811 is abutted against the outer surface of the cable 7; a fixed slot 819 is respectively arranged on one side surface of the connector 811; the arc-shaped elastic rod 83 can be detached and locked with the fixing slot 819 in an inserting and matching manner; an elastic stretchable arc rod 812 is connected between the adjacent connecting bodies 811; a plurality of arc-shaped conducting rods 813 are embedded in the left collar 81 along the circumference thereof; in a static state, the ends of adjacent arcuate conductive rods 813 are in electrical contact within the middle of the elastically stretchable arcuate rod 812; the controller receives and analyzes the magnitude of the induced current generated by the conductive ring body formed by connecting the plurality of arc-shaped conductive rods 813.
Further, a hole 814 is formed on the surface of the connector 811 contacting the cable 7; an electromagnet 815 is fixedly arranged at the bottom of the hole 814; a telescopic column 816 is sleeved in the hole 814 in a sliding way; one end of the telescopic column 816, which is positioned in the hole 814, is fixed with a permanent magnet 817, and the other end facing the outside of the hole 814 is fixed with a friction head 818; the telescopic column 816 is slightly inclined to one side of the arc-shaped elastic rod 83; a return spring 810 is connected between the telescopic column 816 and the electromagnet 815.
Further, the monitoring method of the mobile bit detection system comprises the following steps:
(1) referring to fig. 6, a left collar 81 and a right collar 82 are respectively assembled and sleeved outside the cable 7, and a plurality of arc-shaped elastic rods 83 are correspondingly and fixedly inserted into the fixing slots 819 to be fixed, so that a spindle-like frame structure is formed;
(2) referring to fig. 7, the controller controls the electromagnet 815 on the right collar 82 to be electrified and pushes the telescopic column 816 to extend out of the hole 814 through repulsive force to squeeze the surface of the cable 7, so as to form a tightening force;
(3) referring to fig. 7, the controller controls the middle bending of the arc-shaped elastic rod 83 to extend the piezoelectric ceramic strip 84 at one side close to the cable 7, and the piezoelectric ceramic strip 84 at the other side opposite to the cable 7 is shortened, so that the middle bending of the arc-shaped elastic rod 83 is driven to extend to two sides; because the right collar 82 on the right side is hooped on the surface of the cable 7 through the telescopic column 816, all stretching amounts of the arc-shaped elastic rod 83 in the horizontal direction face the left collar 81 to push the left collar 81 to move leftwards, when the middle part of the arc-shaped elastic rod 83 stretches towards the two ends, the stretching of the arc-shaped structure of the arc-shaped elastic rod stretches to enable the two ends of the arc-shaped elastic rod to have a tendency of outwards deflecting the cable 7, so that the connecting body 811 is driven to move outwards of the cable 7, a distance is formed between the connecting body 811 and the surface of the cable 7, and the left collar 81 is pushed to move conveniently, and the right collar 82 is still hooped on the cable 7 through the telescopic column 816; since each connector 811 moves outward of the cable 7, the elastic stretchable arc rod 812 is stretched to be longer, so that the end pitch between the arc-shaped conductive rods 813 further embedded therein is increased, a gap is formed and no longer electrical contact is made, and a loop cannot be formed, so that induced current cannot be generated;
(4) referring to fig. 8, the controller controls the telescopic column 816 of the left collar 81 to extend the tightening cable 7, and the telescopic column 816 of the right collar 81 returns to the initial position to loosen the tightening of the cable 7; the controller controls the middle part of the arc-shaped elastic rod 83 to bend and shorten the piezoelectric ceramic strip 84 at one side close to the cable 7, and the piezoelectric ceramic strip 84 at the other side back to the cable 7 stretches, so that the bending degree of the middle part bending part of the arc-shaped elastic rod 83 is driven to be increased; thereby pulling the spacing between the two ends of the arc-shaped elastic rod 83 to be shortened, and the left lantern ring 81 on the left side is used for tightening the surface of the cable 7 through the telescopic column 816, so that the whole shrinkage of the arc-shaped elastic rod 83 in the horizontal direction is compensated by the left movement of the right lantern ring 82; the right collar 82 is thus moved to the left; in the process that the bending degree of the middle bending part of the arc-shaped elastic rod 83 is increased, the arc-shaped structure makes the two ends of the arc-shaped elastic rod have a tendency of deflecting and extruding towards the surface of the cable 7, so that the end parts embedded with the arc-shaped elastic rods 813 are kept in electrical contact, and induced current generated by a loop is received and analyzed by a controller; at this time, the left collar 81 is stationary, so that the induced current generated there is static; the right collar 82 moves to the left and induced current is generated throughout the movement, and is dynamic and received and analyzed by the controller.
(5) The steps (2) to (4) are repeated to realize that the mobile bit detection system continuously moves along the cable 7, continuously receives and analyzes the induced current data, reversely pushes the change of the current in the cable 7 according to the data, and then calculates the resistance of the cable 7 according to the product relation of the voltage, the current and the resistance, and the resistance change of each position of the cable 7 can be calculated along with the movement of the mobile bit detection system on the cable 7.
The foregoing invention has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (10)
1. An on-line rapid detection cable conductor resistance device comprises a fixed position detection system and a mobile position detection system; the fixed position detecting system comprises a main body (1) and a control mechanism (2), and is characterized in that: control mechanism (2) are including control box (21), the top fixed mounting of control box (21) has rotation hinge (23), control box (21) are connected with case lid (22) through rotation hinge (23) rotation, positive rule fixedly connected with closing plate (28) of case lid (22), signal control panel (27) are installed in the front embedding of case lid (22), display screen (24) are installed in the top embedding of control box (21), the top fixed mounting of control box (21) has control key (25), the bottom fixedly connected with base (26) of control box (21), the bottom of main part (1) is provided with alarm mechanism (3), alarm mechanism (3) include shell (31).
2. An on-line rapid detection cable conductor resistance device according to claim 1, wherein: the top of shell (31) is opened there is connecting screw thread (33), shell (31) pass through connecting screw thread (33) threaded connection in the bottom of main part (1), the inside of shell (31) is provided with battery (32).
3. An on-line rapid detection cable conductor resistance device according to claim 1, wherein: the front of shell (31) fixed mounting has manometer (34), the inside rotation of manometer (34) is connected with pointer (36), the front fixedly connected with trigger plate (35) of manometer (34).
4. An on-line rapid detection cable conductor resistance device according to claim 1, wherein: the top of the main body (1) is provided with a detection mechanism (5), the detection mechanism (5) comprises a lower clamping plate (51), and the lower clamping plate (51) is fixedly connected to the top of the main body (1); the top of lower plate (51) fixedly connected with spring board (53), the top of spring board (53) fixedly connected with bottom plate (52).
5. An on-line rapid detection cable conductor resistance apparatus according to claim 4, wherein: a resistance detection plate (54) is embedded and installed at the top of the bottom plate (52), a fixing mechanism (4) is arranged at the top of the detection mechanism (5), and the fixing mechanism (4) comprises an upper clamping plate (41); the two sides of the upper clamping plate (41) are fixedly connected with mounting plates (43), mounting holes (44) are formed in the mounting plates (43), and mounting bolts (6) are connected with the inner threads of the mounting holes (44).
6. An on-line rapid detection cable conductor resistance apparatus according to claim 5, wherein: the upper clamping plate (41) is fixedly connected with the lower clamping plate (51) through the mounting bolt (6), a protection pad (42) is fixedly connected to the bottom of the upper clamping plate (41), and a circuit board (45) is fixedly connected to the bottom of the upper clamping plate (41).
7. The on-line rapid detection cable conductor resistance device of claim 6, wherein: the bottom of circuit board (45) is fixedly connected with data transmission module (46), the bottom of circuit board (45) is fixedly connected with data receiving module (47).
8. An on-line rapid detection cable conductor resistance apparatus according to any one of claims 1 to 7, wherein: the mobile position detection system comprises a left lantern ring (81) and a right lantern ring (82) which are detachably sleeved outside the cable (7) and are symmetrical in structure; a plurality of arc-shaped elastic rods (83) with outwards bulged middle parts are connected between the left lantern ring (81) and the right lantern ring (82); the plurality of arc-shaped elastic rods (83) are uniformly distributed around the periphery of the cable (7); the middle part of the arc-shaped elastic rod (83) is bent at one side close to the cable (7) and the other side opposite to the cable (7) are respectively fixedly attached with an arc-shaped piezoelectric ceramic strip (84); the controller controls an external circuit to drive the extension or shortening of the piezoelectric ceramic strip (84); the left collar (81) comprises a plurality of connectors (811); the bottom surface of the connector (811) is abutted against the outer surface of the cable (7); a fixed slot (819) is respectively arranged on one side surface of the connector (811); the arc-shaped elastic rod (83) is detachably inserted and locked with the fixed slot (819); an elastic stretchable arc rod (812) is connected between the adjacent connecting bodies (811); a plurality of arc-shaped conducting rods (813) are embedded in the left sleeve ring (81) along the circumference of the left sleeve ring; in a static state, the end parts of adjacent arc-shaped conducting rods (813) are electrically contacted in the middle part of the elastic stretchable arc rod (812); the controller receives and analyzes the magnitude of the induction current generated by the conductive ring body formed by connecting the plurality of arc-shaped conductive rods (813).
9. The on-line rapid detection cable conductor resistance device of claim 8, wherein: a hole groove (814) is respectively formed in one surface of the connecting body (811) contacted with the cable (7); an electromagnet (815) is fixedly arranged at the bottom of the hole groove (814); a telescopic column (816) is sleeved in the hole groove (814) in a sliding way; one end of the telescopic column (816) positioned in the hole groove (814) is fixedly provided with a permanent magnet (817), and the other end facing the outside of the hole groove (814) is fixedly provided with a friction head (818); the telescopic column (816) is slightly inclined to one side of the arc-shaped elastic rod (83); a return spring (810) is connected between the telescopic column (816) and the electromagnet (815).
10. An on-line rapid detection cable conductor resistance apparatus according to claim 9, wherein: the monitoring method of the mobile bit detection system comprises the following steps:
(1) the left lantern ring (81) and the right lantern ring (82) are respectively assembled and sleeved outside the cable (7), and a plurality of arc-shaped elastic rods (83) are correspondingly and fixedly inserted into the fixing slots (819) to be fixed, so that a spindle-like frame structure is formed;
(2) the controller controls the electromagnet (815) on the right lantern ring (82) to be electrified and pushes the telescopic column (816) to extend out of the hole groove (814) through repulsive force to squeeze the surface of the cable (7) so as to form tightening force;
(3) the controller controls the middle bending part of the arc-shaped elastic rod (83) to stretch a piezoelectric ceramic strip (84) at one side close to the cable (7), and the piezoelectric ceramic strip (84) at the other side opposite to the cable (7) is shortened, so that the middle bending part of the arc-shaped elastic rod (83) is driven to stretch to two sides; because the right lantern ring (82) on the right side is hooped on the surface of the cable (7) through the telescopic column (816), the whole stretching amount of the arc elastic rod (83) in the horizontal direction faces the left lantern ring (81), the left lantern ring (81) is pushed to move leftwards, when the middle part of the arc elastic rod (83) stretches towards the two ends, the stretching of the arc structure of the arc elastic rod enables the two ends of the arc elastic rod to have a tendency of outwards deflecting the cable (7), so that the connecting body (811) is driven to move outwards of the cable (7), the distance between the connecting body (811) and the surface of the cable (7) is formed, the left lantern ring (81) is pushed to move conveniently, and the right lantern ring (82) is still hooped on the cable (7) through the telescopic column (816); since each connector (811) moves to the outside of the cable (7), the elastic stretchable arc rod (812) is stretched to be longer, so that the end interval between the arc-shaped conductive rods (813) embedded therein is increased, a gap is formed and no electric contact is made, a loop cannot be formed, and thus induced current cannot be generated;
(4) the controller controls the telescopic column (816) of the left sleeve ring (81) to stretch and tighten the cable (7), and the telescopic column (816) of the right sleeve ring (81) returns to the initial position to loosen the tightening of the cable (7); the controller controls the middle part of the arc-shaped elastic rod (83) to bend and the piezoelectric ceramic strip (84) at one side close to the cable (7) to be shortened, and the piezoelectric ceramic strip (84) at the other side back to the cable (7) to be stretched, so that the bending degree of the middle part bending part of the arc-shaped elastic rod (83) is driven to be increased; thereby the distance between the two ends of the arc-shaped elastic rod (83) is shortened, and the left sleeve ring (81) on the left side is hooped on the surface of the cable (7) through the telescopic column (816), so that the whole shrinkage of the arc-shaped elastic rod (83) in the horizontal direction is compensated by the left movement of the right sleeve ring (82); the right collar (82) is thus moved to the left; in the process that the bending degree of the middle bending part of the arc-shaped elastic rod (83) is increased, the arc-shaped structure of the arc-shaped elastic rod enables the two ends of the arc-shaped elastic rod to have a tendency of deflecting and extruding towards the surface of the cable (7), so that the end parts of the arc-shaped conductive rods (813) embedded in the arc-shaped elastic rod keep electrical contact, and induced current generated by a loop is received and analyzed by a controller; at this time, the left collar (81) is stationary because it is stationary, so that the induced current generated there is static; the right lantern ring (82) moves leftwards, induced current is generated in the whole moving process, and the induced current is dynamic and is received and analyzed by the controller;
(5) the steps (2) to (4) are repeated to realize that the mobile bit detection system continuously moves along the cable (7), continuously receives and analyzes the induced current data, reversely pushes the change of the current in the cable (7) according to the data, and then calculates the resistance of the cable (7) according to the product relation of the voltage, the current and the resistance, and the resistance change of each part of the cable (7) can be calculated along with the movement of the mobile bit detection system on the cable (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211711075.1A CN116027109A (en) | 2022-12-29 | 2022-12-29 | On-line rapid detection cable conductor resistance device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211711075.1A CN116027109A (en) | 2022-12-29 | 2022-12-29 | On-line rapid detection cable conductor resistance device |
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| CN116027109A true CN116027109A (en) | 2023-04-28 |
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| CN202211711075.1A Pending CN116027109A (en) | 2022-12-29 | 2022-12-29 | On-line rapid detection cable conductor resistance device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117271413A (en) * | 2023-11-21 | 2023-12-22 | 成都电科星拓科技有限公司 | Circuit and method for supporting hot plug |
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2022
- 2022-12-29 CN CN202211711075.1A patent/CN116027109A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117271413A (en) * | 2023-11-21 | 2023-12-22 | 成都电科星拓科技有限公司 | Circuit and method for supporting hot plug |
| CN117271413B (en) * | 2023-11-21 | 2024-02-02 | 成都电科星拓科技有限公司 | Circuit and method for supporting hot plug |
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