CN112698159A - Wire hanging device and cable testing system - Google Patents
Wire hanging device and cable testing system Download PDFInfo
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- CN112698159A CN112698159A CN202011296828.8A CN202011296828A CN112698159A CN 112698159 A CN112698159 A CN 112698159A CN 202011296828 A CN202011296828 A CN 202011296828A CN 112698159 A CN112698159 A CN 112698159A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
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- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The application relates to a hanging wire device, include: the device comprises a fixed clamping piece, a movable clamping piece, an insulating handheld piece and a control device; the fixed clamping piece comprises a connecting part and a clamping part, the movable clamping piece is arranged below the clamping part, the side wall of the movable clamping piece is arranged on the inner side wall of the connecting part in a sliding manner, and the side of the clamping part opposite to the movable clamping piece is conductive; the other side wall of the movable clamping piece is electrically connected with the test wire; the bottom of the connecting part and the bottom of the movable clamping piece are respectively connected with one end of the control device, and one end of the insulating handheld piece is connected with the other end of the control device; the cable to be tested penetrates through the clamping part and the movable clamping part, and the movable clamping part moves towards the clamping part under the action of the control device to clamp the cable to be tested. The cable hanging device can be hung on a cable to be tested through the insulating handheld piece by a worker, connection of the test cable and the cable to be tested is completed, and damage caused by direct contact of the worker to the cable to be tested is avoided.
Description
Technical Field
The application relates to the technical field of distribution line testing, in particular to a wire hanging device and a cable testing system.
Background
In order to overcome accident potential caused by traditional insulation power transmission according to a line, a direct-current trial power transmission instrument is adopted to carry out voltage withstanding test on various distribution network lines before power transmission.
At present, a direct current test delivery instrument is used for carrying out voltage withstanding tests on various distribution network lines before power transmission, and a test line is used for connecting and testing the direct current test delivery instrument and a tested cable; wherein, the test wire mainly adopts the mode overlap joint of screw up to the tested cable through the binding post with test wire one end by being connected of test wire, perhaps directly presss from both sides on the tested cable through the clip with test wire one end, that is to say, these two kinds of connected modes can make the operation personnel can the direct contact by the tested cable.
However, when the tested cable is in a hot standby state, the line state of the tested cable is unclear, and potential safety hazards may exist if an operator directly contacts the tested cable; for example: under the circumstances of the reverse power transmission of tested cable, when the test wire was lapped to tested on the cable, tested the cable and can be to the reverse transmission of electricity of test wire, lead to the test wire electrified, electrified test wire can bring harm to the operation personnel.
Disclosure of Invention
In view of the above, it is necessary to provide a cable hanging device and a cable testing system capable of securely connecting a test cable and a tested cable.
The embodiment of the application provides a hanging wire device, this hanging wire device includes: the device comprises a fixed clamping piece, a movable clamping piece, an insulating handheld piece and a control device;
the fixed clamping piece comprises a connecting part and a clamping part, the movable clamping piece is arranged below the clamping part, the side wall of the movable clamping piece is arranged on the inner side wall of the connecting part in a sliding way, and the surfaces of the clamping part, which are opposite to the movable clamping piece, are both conductive; the other side wall of the movable clamping piece is electrically connected with the test wire;
the bottom of the connecting part and the bottom of the movable clamping piece are respectively connected with one end of the control device, and one end of the insulating handheld piece is connected with the other end of the control device;
when the cable to be tested is arranged between the clamping part and the movable clamping part in a penetrating mode, the movable clamping part is used for moving towards the clamping part under the action of the control device so as to clamp the cable to be tested; and is away from the clamping part based on the action of the control device after the test is finished.
In one embodiment, the control device comprises: a control circuit and a controlled device; the controlled device comprises a movable rod, a conductive device, an elastic device and a magnetic device;
one end of the movable rod is connected with the bottom of the movable clamping piece, the other end of the movable rod is connected with the first terminal of the conductive device, the second terminal of the conductive device is connected with the output end of the control circuit, the third terminal of the conductive device is connected with one end of the elastic device, and the other end of the elastic device is connected with the magnetic device;
the control circuit is used for controlling the attraction and the bouncing of the magnetic device and the conductive device so as to enable the movable rod to drive the movable clamping piece to move away from the clamping part when the magnetic device and the conductive device are attracted, and to drive the movable clamping piece to move towards the clamping part when the magnetic device and the conductive device are bounced.
In one embodiment, the control circuit comprises a receiving circuit, a control chip and a switch circuit, wherein the receiving circuit and the switch circuit are respectively connected with the control chip;
the receiving circuit is used for receiving an external remote control signal and sending the external remote control signal to the control chip;
the control chip is used for controlling whether the switch circuit supplies power to the conducting device or not according to the external remote control signal;
the magnetic device compresses the elastic device to attract the conductive device when the switch circuit supplies power to the conductive device, and releases the elastic device to flick the conductive device when the switch circuit cuts off the power of the conductive device.
In one embodiment, the electrically conductive means is a solenoid and the resilient means is a spring.
In one embodiment, the control device further comprises a box body, the control circuit, the magnetic device, the elastic device and the conductive device are arranged in an inner cavity of the box body, and one end of the movable rod protrudes out of the box body.
In one embodiment, the control circuit is disposed on a printed circuit board, and the printed circuit board and the controlled device are independently disposed in the inner cavity of the case.
In one embodiment, the clamping part is a U-shaped clamping part, and a surface of the movable clamping piece facing the U-shaped clamping part is provided with a U-shaped groove matched with the U-shaped clamping part.
In one embodiment, a strip-shaped boss is arranged on the inner side wall of the connecting portion, and a strip-shaped groove matched with the strip-shaped boss is arranged on the side wall of the movable clamping piece.
In one embodiment, the other side wall of the movable clamping piece is provided with a wiring hole for connecting a wiring bolt in a threaded manner, and the wiring bolt penetrates through the lug nut of the test wire and then is connected into the wiring hole in a threaded manner.
In one embodiment, the outer sidewall of the fixed clamp is an insulating sidewall.
The embodiment of the application provides a cable test system, includes: the direct current test delivery instrument, the test wire and the wire hanging device are provided as above; the direct current test sending instrument is connected with the wire hanging device through the test wire.
The wire hanging device that this application embodiment provided includes: the device comprises a fixed clamping piece, a movable clamping piece, an insulating handheld piece and a control device; the fixed clamping piece comprises a connecting part and a clamping part, the movable clamping piece is arranged below the clamping part, the side wall of the movable clamping piece is arranged on the inner side wall of the connecting part in a sliding way, and the surfaces of the clamping part, which are opposite to the movable clamping piece, are both conductive; the other side wall of the movable clamping piece is electrically connected with the test wire; the bottom of the connecting part and the bottom of the movable clamping piece are respectively connected with one end of the control device, and one end of the insulating handheld piece is connected with the other end of the control device; the cable to be tested penetrates through the clamping part and the movable clamping piece, and the movable clamping piece is used for moving towards the clamping part under the action of the control device so as to clamp the cable to be tested; and is away from the clamping part based on the action of the control device after the test is finished. That is to say, this application embodiment is through fixed holder, movable holder, mutually supporting of insulating holder and controlling means, make the staff hang the cable hanging device on the cable that awaits measuring in advance through insulating holder, rethread controlling means makes movable holder can move towards the clamping part in order to press from both sides the cable that awaits measuring, thereby make by the cable that awaits measuring through the conductive action and the test wire electric conductance of movable holder and fixed holder, and then make test equipment can test the cable that awaits measuring, it is very big to have avoided staff direct contact to the cable that awaits measuring and the harm that causes, staff's security has been improved.
Drawings
Fig. 1 is a schematic structural diagram of a wire hanging device according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a control device according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a controlled device according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a wire hanging device according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a cable testing system according to an embodiment of the present application.
Description of reference numerals:
100: a wire hanging device; 10: fixing the clamping piece; 11: a movable clamp;
12: an insulated handpiece; 13: a control device; 101: a connecting portion; 102: a clamping portion;
111: a sidewall of the movable clamp; 112: the other side wall of the movable clamping piece;
14: a test line; 900: a cable to be tested; 1001. 1002, 1003: a groove;
131: a control circuit; 132: a controlled device; 1321: a movable rod; 1322: a conductive device;
1323: an elastic device; 1324: a magnetic device; 1325: a metal core;
201: a first terminal; 202: a second terminal; 203: a third terminal;
801: a first terminal post; 802: a second terminal;
1311: a receiving circuit; 1312: a control chip; 1313: a switching circuit;
401: an amplifying circuit; 402: a demodulation circuit; 403: an instruction decoding circuit;
404: a drive circuit; 405: an execution circuit;
30: a box body of the control device; 501: a U-shaped clamping part; 502: a U-shaped groove;
503: a strip-shaped boss; 504: a strip-shaped groove; 505: a wiring hole;
506: a wiring bolt; 507: a lug nut;
600: a direct current trial delivery instrument; 601: a quick connector; 602: and the output end of the direct current trial delivery instrument.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail by the following embodiments with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The utility model provides a hanging wire device, be applicable to distribution lines test technical field, adopt direct current examination to send the appearance, exchange examination to send the appearance or insulation resistance examination to send the appearance to the cable that awaits measuring to carry out withstand voltage test or fault detection time measuring at the staff, need send the appearance with direct current examination, exchange examination to send the appearance or insulation resistance examination to send the appearance and the cable that awaits measuring to be connected through the test wire, wherein, this hanging wire device is used for being connected the one end of test wire and the cable that awaits measuring.
The traditional method for connecting the test wire with the cable to be tested is to lap a nut at one end of the test wire onto the cable to be tested in a screw tightening mode, or directly clamp a clamp at one end of the test wire onto the cable to be tested so as to realize the connection of the test wire and the cable to be tested; however, in the two traditional modes, when the cable to be tested is in a hot standby state, the line state of the cable to be tested is not clear to a worker, and if the worker directly overlaps the test wire on the cable to be tested, potential safety hazards exist, and personal harm is caused to the worker.
The following describes the technical solutions of the present application and how to solve the above technical problems with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a wire hanging device according to an embodiment of the present application. As shown in fig. 1, the wire hanging device 100 includes: a fixed clamping piece 10, a movable clamping piece 11, an insulating handheld piece 12 and a control device 13; the fixed clamping member 10 comprises a connecting portion 101 and a clamping portion 102, the movable clamping member 11 is disposed below the clamping portion 102, a side wall 111 of the movable clamping member 11 is slidably disposed on an inner side wall of the connecting portion 101, and a surface of the clamping portion 102 opposite to the movable clamping member 11 is electrically conductive; the other side wall 112 of the movable clamping piece 11 is electrically connected with the test line 14; the bottom of the connecting part 101 and the bottom of the movable clamping piece 11 are respectively connected with one end of the control device 13, and one end of the insulating handheld piece 12 is connected with the other end of the control device 13; the cable 900 to be tested is inserted between the clamping portion 102 and the movable clamping member 11, and the movable clamping member 11 is used for moving towards the clamping portion 102 under the action of the control device 13 to clamp the cable 900 to be tested; and is moved away from the clamping portion 102 after the test is completed based on the action of the control device 13.
In this embodiment, one end of test wire is connected with movable holder, and the other end of test wire connects test equipment, and this test equipment can be direct current examination send the appearance, exchange examination send the appearance or insulation resistance examination send the equipment that can detect the cable that awaits measuring such as appearance. Specifically, the movable clamping piece and the fixed clamping piece in the embodiment can clamp or loosen the cable to be tested under the control action of the control device; when the movable clamping piece can clamp the cable to be tested with the fixed clamping piece under the control action of the control device, the movable clamping piece and the side, right opposite to the clamping part of the fixed clamping piece, of the movable clamping piece are all electrically conductive, so that the cable to be tested, the clamping part and the movable clamping piece are all electrically conducted, the cable to be tested is further electrically conducted with the testing line, and the testing equipment can test the cable to be tested.
Alternatively, the clamping portion 102 of the fixed clamping member 10 may be a rectangular parallelepiped structure, a square structure, or any irregular geometric structure with a certain thickness, the movable clamping member 11 is disposed below or directly below the clamping portion 102, and the structure of the movable clamping member 11 may also be a rectangular parallelepiped structure, a square structure, or any irregular geometric structure with a certain thickness, which is the same as the clamping portion, and is not limited in this application. As for the case of clamping the cable to be tested 900 by the movable clamping member 11 and the clamping portion 102, the following cases (it should be noted that, the following cases are exemplary, and do not constitute a limitation on the clamping portion and the movable clamping member, and in this embodiment, the clamping portion and the movable clamping member can clamp or release the cable to be tested under the action of the control device):
the first condition is as follows: one surface of the clamping part 102 facing the movable clamping part 11 and one surface of the movable clamping part 11 facing the clamping part 102 are both set to be planes.
Case two: one surface of the clamping part 102, which faces the movable clamping part 11, is a plane, and one surface of the movable clamping part 11, which faces the clamping part 102, is provided with a groove 111 capable of clamping the cable 900 to be tested.
Case three: one surface of the clamping part 102, which faces the movable clamping part 11, is provided with a groove 111 which can clamp the cable 900 to be tested, and one surface of the movable clamping part 11, which faces the clamping part 102, is provided with a plane.
Case four: one surface of the clamping part 102, which faces the movable clamping part 11, and one surface of the movable clamping part 11, which faces the clamping part 102, are provided with grooves 1001 capable of clamping the cable 900 to be tested.
Optionally, a groove may be disposed on a surface on which the groove is disposed, and a diameter of the groove 101 may be a fixed size or a variable size that can movably adjust a size of the groove; a plurality of grooves 1002, 1003 and the like with different diameters can be arranged on one surface provided with the grooves so as to adapt to cables 900 to be tested with different thicknesses. In any case, the surfaces of the clamping portion 102 and the movable clamping member 11 opposite to each other are conductive, that is, the surface of the clamping portion 102 opposite to the movable clamping member 11 is conductive, and the surface of the movable clamping member 11 opposite to the clamping portion 102 is also conductive. Optionally, the position on the clamping portion for clamping the cable to be tested and the position of the movable clamping piece for clamping the cable to be tested may be conductive.
Further, the sidewall 111 of the movable clamping member 11 is slidably disposed on the inner sidewall of the connecting portion 101, optionally, the connecting portion 101 of the fixed clamping member 10 may be a cylindrical structure with a groove of any shape, the cylindrical structure may be a prism, a cylinder, or a cylindrical structure with a certain radian on one side and a plane on the other side, and a boss adapted to the groove of any shape is disposed on the sidewall 111 of the movable clamping member 11, so that the movable clamping member 11 can slide up and down along the connecting portion 101; the connecting portion 101 of the fixed clamping member 10 may also be the above-mentioned column structure, and an annular structure suitable for the size of the column is provided on the sidewall 111 of the movable clamping member 11, and can be sleeved on the connecting portion 101 of the column structure, so as to realize the up-and-down sliding operation of the movable clamping member 11.
The other side wall 112 of the movable clamping member 11 is electrically connected with the test line 14, and the connection can be screwed, riveted, pivoted, movably connected and the like; alternatively, a conductor terminal may be provided on the other side wall 112 of the movable clamp 11, and a wire hook or a wire clamp at one end of the test wire is hung on the conductor terminal, and the wire hook is screwed by a nut after hanging.
One end of the insulated handpiece 12 is connected with the other end of the control device 13; alternatively, a threaded hole may be provided at the other end of the control device 13, and the same threads may be provided at one end of the insulated handpiece 12, so that a worker may screw one end of the insulated handpiece 12 to the other end of the control device 13; a threaded screw may also be provided at the other end of the control device 13, and a bore having the same threads may also be provided at one end of the insulated handpiece 12, so that a worker may screw one end of the insulated handpiece 12 to the other end of the control device 13.
That is to say, when concrete operation, the staff is connected the back with the mobile holder electricity of test wire and hanging wire device, hang hanging wire device on the cable that awaits measuring through handheld insulating handheld piece, rethread controlling means makes mobile holder can move towards the clamping part in order to press from both sides the cable that awaits measuring, because mobile holder and the just right one side of fixed holder all electrically conduct, consequently make the cable that awaits measuring, electric conduction between mobile holder and the fixed holder, and then make the cable that awaits measuring and test wire electric conduction, thereby make test equipment can test the cable that awaits measuring. And after the test is finished, the staff can make the movable clamping piece keep away from the clamping part through the control device, and the electric connection between the test wire and the cable to be tested is disconnected. Therefore, the worker is not required to directly contact the cable to be tested, and the safety of the worker is greatly enhanced.
The wire hanging device provided by the embodiment comprises: the device comprises a fixed clamping piece, a movable clamping piece, an insulating handheld piece and a control device; the fixed clamping piece comprises a connecting part and a clamping part, the movable clamping piece is arranged below the clamping part, the side wall of the movable clamping piece is arranged on the inner side wall of the connecting part in a sliding way, and the surfaces of the clamping part, which are opposite to the movable clamping piece, are both conductive; the other side wall of the movable clamping piece is electrically connected with the test wire; the bottom of the connecting part and the bottom of the movable clamping piece are respectively connected with one end of the control device, and one end of the insulating handheld piece is connected with the other end of the control device; when the cable to be tested is arranged between the clamping part and the movable clamping part in a penetrating mode, the movable clamping part can move towards the clamping part under the action of the control device so as to clamp the cable to be tested, and the cable to be tested is far away from the clamping part based on the action of the control device after the test is finished. That is to say, this application embodiment is through fixed holder, movable holder, mutually supporting of insulating holder and controlling means, make the staff hang the cable hanging device on the cable that awaits measuring in advance through insulating holder, rethread controlling means makes movable holder can move towards the clamping part in order to press from both sides the cable that awaits measuring, thereby make by the cable that awaits measuring through the conductive action and the test wire electric conductance of movable holder and fixed holder, and then make test equipment can test the cable that awaits measuring, it is very big to have avoided staff direct contact to the cable that awaits measuring and the harm that causes, staff's security has been improved.
Fig. 2 is a schematic structural diagram of a control device according to an embodiment of the present application. As shown in fig. 2, the control device 13 includes: a control circuit 131 and a controlled device 132; the controlled device 132 comprises a movable rod 1321, an electric conduction device 1322, an elastic device 1323 and a magnetic device 1324; one end of the movable rod 1321 is connected to the bottom of the movable clamp 11, the other end of the movable rod 1321 is connected to the first terminal 201 of the conducting device 1322, the second terminal 202 of the conducting device 1322 is connected to the output terminal of the control circuit 131, the third terminal 203 of the conducting device 1322 is connected to one end of the elastic device 1323, and the other end of the elastic device 1323 is connected to the magnetic device 1324; the control circuit 131 is used for controlling the attraction and the repulsion of the magnetic device 1324 and the electric conduction device 1322, so that the movable rod 1321 drives the movable clamping member 11 to move away from the clamping portion 102 when the magnetic device 1324 and the electric conduction device 1322 are attracted, and the movable rod 1321 drives the movable clamping member 11 to move towards the clamping portion 102 when the magnetic device 1324 and the electric conduction device 1322 are repelled.
Specifically, one end of the movable rod 1321 is connected to the bottom of the movable clamp 11, the other end of the movable rod 1321 is connected to the first terminal 201 of the conducting device 1322, the third terminal 203 of the conducting device 1322 is connected to one end of the elastic device 1323, and the other end of the elastic device 1323 is connected to the magnetic device 1324; that is, the movable clamping member 11 is connected to the electric conducting device 1322 through the movable rod 1321, the elastic device 1323 is connected to the lower portion of the electric conducting device 1322, and the magnetic device 1324 is connected to the lower portion of the elastic device 1323.
Alternatively, the controlled device 132 may refer to the structure shown in fig. 3, the electrically conductive device 1322 may be a solenoid, the elastic device 1323 may be a spring, a polymer elastomer, or the like, wherein the spring may be a compression spring, a tension spring, a torsion spring, a snap spring, or the like, and the magnetic device 1324 may be a magnet; alternatively, the solenoid, spring and the movable rod 1321 may be hollow structures that can be sleeved on the metal core 1325, so that the solenoid, spring and the movable rod 1321 can slide up and down along the metal core 1325; alternatively, the first terminal 801 of the solenoid may serve as the second terminal 202 of the electric conduction device 1322 to be connected to the output terminal of the control circuit 131, the second terminal 802 of the solenoid may serve as the ground terminal of the control circuit, the top of the solenoid may serve as the first terminal 201 of the electric conduction device 1322 to be connected to the other end of the movable rod 1321, and the bottom of the solenoid may serve as the third terminal 203 of the electric conduction device 1322 to be connected to one end of the elastic device 1323.
Alternatively, the control circuit 131 may include a receiving circuit 1311, a control chip 1312, and a switching circuit 1313, wherein the receiving circuit 1311 and the switching circuit 1313 are respectively connected to the control chip 1312; the receiving circuit 1311 is configured to receive an external remote control signal, where the external remote control signal may be a radio remote control signal, an infrared remote control signal, an ultrasonic remote control signal, or the like; and transmits the received external remote control signal to the control chip 1312; the control chip 1312 is used for controlling whether the switch circuit 1313 supplies power to the conductive device 1312 according to the external remote control signal; the magnetic device 1324 compresses the elastic device 1323 to attract the electric conduction device 1322 when the switch circuit 1313 supplies power to the electric conduction device 1322, and releases the elastic device 1323 to flick the electric conduction device 1322 when the switch circuit 1313 disconnects power to the electric conduction device 1322.
The control chip 1312 may include an amplifying circuit 401, a demodulating circuit 402, an instruction decoding circuit 403, a driving circuit 404, and an executing circuit 405. Optionally, after the receiving circuit 1311 receives an external remote control signal, the external remote control signal may be a modulated command encoding signal, the receiving circuit 1311 sends the modulated command encoding signal to the amplifying circuit 401, the modulated command encoding signal is amplified by the amplifying circuit 401 and then sent to the demodulating circuit 402, the demodulating circuit 402 demodulates the modulated command encoding signal to obtain an original encoding signal, the original encoding signal is sent to the command decoding circuit 403 for decoding, and finally the driving circuit 404 drives the executing circuit 405 to implement a corresponding command operation; the command operation may be to control the switch circuit 1313 to supply power to the electrical conduction device 1322, or to control the switch circuit 1313 to cut off power to the electrical conduction device 1322; when the switch circuit 1313 supplies power to the electric conduction device 1322, the electric conduction device 1322 generates a magnetic field due to the passing of current, so that the magnetic device 1324 can attract the electric conduction device 1322, the elastic device 1323 compresses, the electric conduction device 1322 drives the movable rod 1321 to further drive the movable clamping member 11 to move downwards, that is, the movable clamping member 11 moves in a direction away from the clamping portion 102; on the contrary, when the switch circuit 1313 disconnects the power to the electric conduction device 1322, the electric conduction device 1322 does not pass through the current, the magnetic field disappears, so that there is no attraction between the magnetic device 1324 and the electric conduction device 1322, the elastic device 1323 releases, and the electric conduction device 1322 drives the movable rod 1321 under the elastic force of the elastic device 1323 to further drive the movable clamping member 11 to move upward, that is, the movable clamping member 11 moves toward the direction close to the clamping portion 102, and finally closes with the clamping portion 102 of the fixed clamping member 10, so as to clamp the cable 900 to be tested. After the cable 900 to be tested is clamped, the movable clamping piece and the fixed clamping piece are opposite to each other in the opposite direction, so that the cable to be tested, the movable clamping piece and the fixed clamping piece are electrically conducted, the cable to be tested is further electrically conducted with the test wire, and the test equipment can test the cable to be tested.
Optionally, the control device 13 may further include a case 30, the control circuit 131, the magnetic device 1324, the elastic device 1323 and the electric conduction device 1322 are disposed in an inner cavity of the case 30, and one end of the movable rod 1321 protrudes outside the case 30. The control circuit 131 may be disposed on a printed circuit board that is disposed in the interior of the housing 30 independently of the controlled device 132. The shape of the box body 30 may be a cuboid, a cube, or any shape; the housing of the box body 30 can be an insulating housing, and can also be a high-voltage insulating housing; the insulating housing material of the tank 30 may be an organic solid material, such as: polyethylene, polystyrene, silicone resin-bonded low alkali glass cloth, polyester film, polyimide film, and the like, and may be an inorganic solid material such as: mica, mica powder, mica products, glass fiber products, electroceramic, aluminum oxide film, etc.
In the embodiment, the control device is arranged, so that a worker can control the movable clamping piece of the wire hanging device to move up and down through the remote controller, and further the opening and closing between the movable clamping piece and the fixed clamping piece in the wire hanging device are realized; under the condition that the movable clamping piece and the fixed clamping piece are opened, a worker can conveniently hang the wire hanging device on a cable to be tested through the insulating hand piece or take the wire hanging device off the cable to be tested; under the condition that the movable clamping piece and the fixed clamping piece are closed, the conduction connection between the cable to be tested and the test wire is realized; the safety and the convenience of the staff when connecting the cable to be tested and the test wire are improved.
Fig. 4 is a schematic structural diagram of a wire hanging device according to an embodiment of the present application. As shown in fig. 4, the clamping portion 102 may be a U-shaped clamping portion 501, and a side of the movable clamping member 11 facing the U-shaped clamping portion 501 is provided with a U-shaped groove 502 adapted to the U-shaped clamping portion 501; a strip-shaped boss 503 is arranged on the inner side wall of the connecting part 101, and a strip-shaped groove 504 matched with the strip-shaped boss 503 is arranged on the side wall of the movable clamping piece 11; the other side wall of the movable clamping member 11 is provided with a wiring hole 505 for connecting a wiring bolt in a threaded manner, and the wiring bolt 506 is threaded into the wiring hole 505 after passing through a lug nut 507 of the test wire 14; the outer side wall of the fixed clamping piece 10 is an insulating side wall; the inner side wall of the fixed clamp 10, i.e. the inner side wall of the U-shaped clamp 501 and the side of the movable clamp 11 facing the U-shaped clamp 501 are both conductive.
This embodiment has improved the reliability that this hanging wire device hung on this examination cable of awaiting measuring through setting this hanging wire device to U type structure, has effectively avoided hanging wire device and the examination cable of awaiting measuring to rock under the circumstances about, the phenomenon that the hanging wire device that causes slips, has improved the steadiness that hanging wire device hung on the examination cable of awaiting measuring simultaneously.
Fig. 5 is a schematic structural diagram of a cable testing system according to an embodiment of the present application. As shown in fig. 5, the cable test system includes: the direct current test delivery instrument 600, the test wire 14 and the wire hanging device 100 in any of the above embodiments; the dc test delivery instrument 600 is connected to the wire hanging device 100 through the test wire 14. Optionally, the test wire 14 may be a high voltage resistant wire, one end of the test wire 14 may be the lug nut 507, and the connection bolt 506 is inserted into the lug nut 507 of the test wire 14 and then screwed into the connection hole 505 of the movable clamping member 11, so as to connect the test wire 14 and the wire hanging device 100; the other end of the test line 14 may be a quick connector 601, and the quick connector 601 is adapted to the output end 602 of the dc test sending instrument 600 to connect the test line 14 and the dc test sending instrument 600; optionally, the tail end core of the quick connector 601 is connected to the conductor portion of the test line 14, the exterior of the quick connector 601 is wrapped by a high voltage resistant insulating rubber, and the inner metal contact portion is wrapped by the high voltage resistant insulating rubber, and the quick connector 601 and the output end 602 of the dc test delivery instrument 600 may be butted by a male connector and a female connector and fastened by a nut, or the quick connector 601 may be directly inserted into the output end 602 of the dc test delivery instrument 600 to connect the test line 14 and the dc test delivery instrument 600.
That is to say, the output end 602 of the dc test delivery instrument 600 is connected to one end of the quick connector 601 of the test wire 14, the lug nut 507 at the other end of the test wire 14 is connected to the movable clamping member 11 of the wire hanging device 100, the worker hangs the wire hanging device 100 on the cable 900 to be tested through the insulating handheld member 12 of the wire hanging device 100, after the worker leaves away from the cable 900 to be tested, the worker controls the movable clamping member 11 of the wire hanging device 100 to move towards the clamping portion 102 of the fixed clamping member 10 of the wire hanging device 100 through the remote controller to clamp the cable 900 to be tested, finally, the connection between the dc test delivery instrument 600 and the cable 900 to be tested is realized, and the test work on the cable 900 to be tested is completed.
This embodiment sends the appearance through the direct current examination and connects the test wire, and the test wire is connected this hanging wire device, and this hanging wire device reconnection awaits measuring the cable, forms cable test system, and this hanging wire device has avoided staff direct contact to await measuring the harm that the cable caused, has still improved staff's work efficiency simultaneously.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (11)
1. A wire hanging device, comprising: the device comprises a fixed clamping piece, a movable clamping piece, an insulating handheld piece and a control device;
the fixed clamping piece comprises a connecting part and a clamping part, the movable clamping piece is arranged below the clamping part, the side wall of the movable clamping piece is slidably arranged on the inner side wall of the connecting part, and the side of the clamping part opposite to the movable clamping piece is conductive; the other side wall of the movable clamping piece is electrically connected with the test wire;
the bottom of the connecting part and the bottom of the movable clamping piece are respectively connected with one end of the control device, and one end of the insulating handheld piece is connected with the other end of the control device;
when a cable to be tested is arranged between the clamping part and the movable clamping part in a penetrating mode, the movable clamping part is used for moving towards the clamping part under the action of the control device so as to clamp the cable to be tested; and is away from the clamping part based on the action of the control device after the test is finished.
2. The wire hanging device according to claim 1, wherein the control device comprises: a control circuit and a controlled device; the controlled device comprises a movable rod, a conductive device, an elastic device and a magnetic device;
one end of the movable rod is connected with the bottom of the movable clamping piece, the other end of the movable rod is connected with a first terminal of the conductive device, a second terminal of the conductive device is connected with the output end of the control circuit, a third terminal of the conductive device is connected with one end of the elastic device, and the other end of the elastic device is connected with the magnetic device;
the control circuit is used for controlling the magnetic device and the attraction and the bouncing of the conductive device, so that the movable rod is used for driving the magnetic device and the attraction of the conductive device to drive the movable clamping piece to be far away from the clamping part to move, and the movable rod is used for driving the magnetic device and the bouncing of the conductive device to drive the movable clamping piece to move towards the clamping part.
3. The wiring device according to claim 2, wherein the control circuit comprises a receiving circuit, a control chip and a switch circuit, wherein the receiving circuit and the switch circuit are respectively connected with the control chip;
the receiving circuit is used for receiving an external remote control signal and sending the external remote control signal to the control chip;
the control chip is used for controlling whether the switch circuit supplies power to the conducting device or not according to the external remote control signal;
the magnetic device compresses the elastic device to attract the conductive device when the switch circuit supplies power to the conductive device, and releases the elastic device to flick the conductive device when the switch circuit cuts off the power of the conductive device.
4. The wiring device according to claim 3, wherein the conductive means is a solenoid and the elastic means is a spring.
5. The wire hanging device according to claim 4, wherein the control device further comprises a box body, the control circuit, the magnetic device, the elastic device and the conductive device are arranged in an inner cavity of the box body, and one end of the movable rod protrudes out of the box body.
6. The wiring device according to claim 5, wherein the control circuit is disposed on a printed circuit board disposed in the interior of the case independently of the controlled device.
7. The wire hanging device according to any one of claims 1 to 6, wherein the clamping part is a U-shaped clamping part, and a surface of the movable clamping piece facing the U-shaped clamping part is provided with a U-shaped groove matched with the U-shaped clamping part.
8. The wire hanging device according to claim 7, wherein a strip-shaped boss is arranged on the inner side wall of the connecting part, and a strip-shaped groove matched with the strip-shaped boss is arranged on the side wall of the movable clamping piece.
9. The wire hanging device according to claim 8, wherein a wire connecting hole for connecting a wire connecting bolt in a threaded manner is formed in the other side wall of the movable clamping piece, and the wire connecting bolt is threaded into the wire connecting hole after penetrating through a lug nut of the test wire.
10. The wire hanging device according to claim 9, wherein an outer sidewall of the fixed clamp is an insulating sidewall.
11. A cable testing system, comprising: a dc test delivery instrument, a test line and a hanging wire device according to any one of claims 1 to 10;
the direct current trial delivery instrument is connected with the wire hanging device through the test wire.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011296828.8A CN112698159B (en) | 2020-11-18 | 2020-11-18 | Cable hanging device and cable testing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011296828.8A CN112698159B (en) | 2020-11-18 | 2020-11-18 | Cable hanging device and cable testing system |
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| CN112698159A true CN112698159A (en) | 2021-04-23 |
| CN112698159B CN112698159B (en) | 2023-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011296828.8A Active CN112698159B (en) | 2020-11-18 | 2020-11-18 | Cable hanging device and cable testing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113406364A (en) * | 2021-06-07 | 2021-09-17 | 一汽解放汽车有限公司 | Wiring system |
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| CN112698159B (en) | 2023-07-07 |
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