CN115616365B - Communication cable detects uses testing machine - Google Patents
Communication cable detects uses testing machine Download PDFInfo
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- CN115616365B CN115616365B CN202211630970.0A CN202211630970A CN115616365B CN 115616365 B CN115616365 B CN 115616365B CN 202211630970 A CN202211630970 A CN 202211630970A CN 115616365 B CN115616365 B CN 115616365B
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/14—Measuring resistance by measuring current or voltage obtained from a reference source
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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Abstract
The invention provides a testing machine for detecting a communication cable, and relates to the technical field of communication cables. The testing machine for the communication cable detection comprises an upper clamp, a lower clamp and a control assembly, wherein the upper clamp and the lower clamp are distributed symmetrically up and down and are provided with clamping power by a pneumatic device, the upper clamp and the lower clamp are both used for clamping an insulating layer and a wire core of the communication cable respectively, the insulating layer and the wire core are mutually insulated, the outer wall of the upper clamp is fixedly connected to the output end of a lifting mechanism, the lifting mechanism is driven by a servo device, the servo device and the pneumatic device are respectively in communication connection with the control assembly, and the upper clamp and the lower clamp are respectively in electric connection with the control assembly. Through the design of going up anchor clamps and lower anchor clamps to and elevating system, control assembly's cooperation for communication cable detects and uses the test machine multiple detection function, has satisfied most detection item that communication cable detected, has improved the integrated level of check out test set, has reduced the cost of detection.
Description
Technical Field
The invention relates to the technical field of communication cables, in particular to a testing machine for communication cable detection.
Background
Communication cables are cables for near-distance audio communication and remote high-frequency carrier and digital communication and signal transmission, and are widely used in the fields of life and industry, and the communication cables are laid in various modes such as overhead, direct burial, pipelines and underwater. The cable is divided into symmetrical, coaxial and comprehensive cables according to the structure; the communication cable is divided into field operations and perpetual cables according to functions, has wider transmission frequency band, larger communication capacity and small external interference, and is not easy to overhaul.
In order to ensure the reliability of the communication cable, the communication cable has strict requirements on technical parameters of production, a series of detection needs to be carried out on the communication cable before delivery to ensure the qualification of the product quality, the detection before delivery of the product generally comprises resistance detection, voltage-withstanding detection, insulation detection, elongation detection and the like, and the conventional detection equipment has single function at present, namely, each detection corresponds to one detection equipment, so that the complexity of the detection procedure is increased, the detection cost is increased, and the income of manufacturers is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a testing machine for detecting a communication cable, which solves the problem of single function of communication cable detection equipment.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a communication cable detects and uses testing machine, includes anchor clamps, lower anchor clamps, control assembly, upper anchor clamps and lower anchor clamps are upper and lower symmetric distribution and provide the centre gripping power by pneumatic means, upper anchor clamps and lower anchor clamps are all used for carrying out the centre gripping respectively to communication cable's insulating layer and sinle silk, and make insulating layer and sinle silk mutually insulated, upper anchor clamps outer wall fixed connection is in elevating system output, elevating system passes through servo drive, servo, pneumatic means respectively with control assembly communication connection, upper anchor clamps and lower anchor clamps respectively with control assembly electric connection;
the control assembly is configured to control the pneumatic device to drive the upper clamp and the lower clamp to clamp two ends of a communication cable respectively, meanwhile, resistance detection, voltage withstand detection and insulation detection are carried out on the clamped communication cable, the control servo device drives the lifting mechanism to drive the upper clamp to lift, tension detection is carried out on the clamped communication cable, and a resistance detection circuit, a voltage withstand detection circuit, an insulation detection circuit and an on-off detection circuit are arranged in the control assembly and are switched through a relay.
Preferably, the upper fixture comprises an upper fixing disc, an upper pneumatic insulation layer fixture is fixedly connected to the middle part of the lower end of the upper fixing disc, an upper pneumatic wire core fixture is coaxially arranged on the upper part of the upper pneumatic insulation layer fixture, the upper pneumatic insulation layer fixture and the upper pneumatic wire core fixture are respectively and electrically connected with the control assembly, and the upper pneumatic insulation layer fixture and the upper pneumatic wire core fixture are mutually insulated;
the lower fixture comprises a lower fixed disc, a lower pneumatic insulation layer fixture is fixedly connected to the middle part of the upper end of the lower fixed disc, a lower pneumatic wire core fixture is coaxially arranged at the lower part of the lower pneumatic insulation layer fixture, the lower pneumatic insulation layer fixture and the lower pneumatic wire core fixture are respectively and electrically connected with the control assembly, the lower pneumatic insulation layer fixture and the lower pneumatic wire core fixture are mutually insulated, the lower end of the lower fixed disc is fixedly connected with the base through a tension sensor, and the tension sensor is in communication connection with the control assembly.
Preferably, the elevating system includes the lifting column, lifting column lower extreme fixed connection is in base upper wall middle part, the inside sliding connection of lifting column has the slip table, slip table rear portion runs through and threaded connection has the lead screw, lead screw one end rotates to be connected at lifting column inner upper wall, the lead screw other end runs through lifting column lower wall and base upper wall respectively and rotates to be connected at the base inner bottom wall, slip table front end fixed connection is at last anchor clamps rear end, go up anchor clamps both ends respectively fixed connection in connecting rod one end, the connecting rod other end is sliding connection in spacing post inside respectively, the inside upper and lower wall of spacing post is fixed connection respectively at slide bar both ends, slide bar outer wall runs through and sliding connection is located the inside one end of spacing post at the connecting rod.
Preferably, the servo device comprises a servo motor, the output end of the servo motor is fixedly connected with the input end of a speed reducer, the lower end of the speed reducer is fixedly connected with the rear part of the upper wall of the base, the output end of the speed reducer is fixedly connected with one end of a rotating shaft, the other end of the rotating shaft is rotatably connected with the inner bottom wall of the base, the outer wall of the rotating shaft is fixedly connected with a driving gear, the end of a driving gear tooth is meshed with a driven gear, and the middle part of the driven gear is fixedly connected with the outer wall of a screw rod.
Preferably, the control assembly comprises a man-machine interaction interface for selecting detection items and displaying detection results.
Preferably, the tensile force detection comprises insulation layer elongation detection and wire core elongation detection.
Preferably, the resistance detection includes the steps of:
step one, clamping wire cores at two ends of a communication cable with a preset length respectively through an upper pneumatic wire core clamp and a lower pneumatic wire core clamp;
selecting a resistance detection option through the control assembly, outputting the length of the communication cable, controlling the relay by the control assembly to enable the resistance detection circuit to be communicated with the upper pneumatic wire core clamp and the lower pneumatic wire core clamp, and then detecting the direct current resistance of the communication cable;
thirdly, the control assembly calculates the detected direct current resistance value in combination with the length value of the communication cable to obtain the direct current resistance value of the communication cable with unit length, and the control assembly compares the direct current resistance value with a preset standard value range;
and fourthly, when the direct current resistance value is smaller than a preset standard value range, the control assembly displays that the detection is passed, and when the direct current resistance value is larger than the preset standard value range, the control assembly gives an alarm.
Preferably, the insulation detection includes the steps of:
step one, clamping a wire core at one end of a communication cable and an insulating layer at the other end of the communication cable through an upper pneumatic wire core clamp and a lower pneumatic insulating layer clamp respectively;
selecting an insulation detection option through a control assembly, controlling a relay by the control assembly to enable an insulation detection circuit to be communicated with an upper pneumatic wire core clamp and a lower pneumatic wire core clamp, and then conducting insulation detection on a communication cable;
step three, applying 500 and/or 1000V direct current voltage to the two ends of the upper pneumatic wire core clamp and the lower pneumatic wire core clamp by the insulation detection circuit, measuring current passing through the circuit, and finally calculating direct current impedance by the control assembly to obtain an insulation resistance value;
and fourthly, when the insulation resistance value is smaller than a preset value range, the control assembly gives an alarm, and when the insulation resistance value is larger than the preset value range, the control assembly displays that the detection is passed.
Preferably, the pressure resistance test includes the steps of:
step one, clamping wire cores at two ends of a communication cable respectively through an upper pneumatic wire core clamp and a lower pneumatic wire core clamp, and clamping insulating layers at two ends of the communication cable respectively through an upper pneumatic insulating layer clamp and a lower pneumatic insulating layer clamp;
step two, selecting a withstand voltage detection option through a control assembly, controlling a relay by the control assembly to enable a withstand voltage detection circuit to be communicated with an upper pneumatic wire core clamp and a lower pneumatic wire core clamp, and applying an alternating voltage which is equal to 1000V and twice the rated voltage of a communication cable for 30-60s;
step three, simultaneously detecting leakage current of the upper pneumatic insulating layer clamp and the lower pneumatic insulating layer clamp;
and fourthly, comparing the detected leakage current with a preset value by the control assembly, and when the detected leakage current is smaller than the preset value, displaying that the test is passed, and when the detected leakage current is larger than the preset value, giving an alarm by the control assembly.
Preferably, the insulation layer elongation detection and the wire core elongation detection are performed simultaneously, and the method comprises the following steps:
after resistance detection, voltage withstand detection and insulation detection pass, holding wire cores at two ends of a communication cable to be respectively clamped by an upper pneumatic wire core clamp and a lower pneumatic wire core clamp, holding insulation layers at two ends of the communication cable to be respectively clamped by the upper pneumatic insulation layer clamp and the lower pneumatic insulation layer clamp, and keeping the communication cable to be straightened;
step two, selecting a tension detection option through a control assembly, wherein the control assembly firstly controls the on-off detection circuit to be communicated with the upper pneumatic wire core clamp and the lower pneumatic wire core clamp, and then controls the servo motor to start to drive the upper clamp to rise, so that the communication cable is stretched;
step three, when the wire core is broken, the on-off detection circuit detects that the passage is broken, and the control assembly records the rising distance at the moment, namely the elongation of the wire core;
and step four, the control assembly controls the upper clamp to continuously ascend until the insulating layer is broken, at the moment, the tension value of the tension sensor is 0, and the control assembly records the ascending distance at the moment, namely the elongation of the insulating layer.
The invention provides a testing machine for detecting a communication cable. The beneficial effects are as follows:
according to the invention, through the design of the upper clamp and the lower clamp and the cooperation of the lifting mechanism and the control assembly, the tester for detecting the communication cable has multiple detection functions, most detection items of communication cable detection are satisfied, the integration level of detection equipment is improved, and the detection cost is reduced.
Drawings
FIG. 1 is a front perspective view of a test machine for detecting a communication cable according to the present invention;
FIG. 2 is a front partial cross-sectional view of the communication cable test machine of the present invention;
FIG. 3 is a right side partial cross-sectional view of the communication cable testing machine of the present invention;
FIG. 4 is a schematic side cross-sectional view of an upper clamp of the present invention;
FIG. 5 is a schematic side cross-sectional view of a lower clamp of the present invention;
fig. 6 is a schematic structural view of the test machine for detecting a communication cable according to the present invention.
1, a base; 2. lifting columns; 3. a limit column; 4. a clamp is arranged; 401. an upper fixing plate; 402. a pneumatic insulating layer fixture is arranged; 403. an upper pneumatic wire core clamp; 5. a connecting rod; 6. a lower clamp; 601. a lower fixing plate; 602. a lower pneumatic insulating layer clamp; 603. a pneumatic wire core clamp is arranged; 7. a control assembly; 8. a screw rod; 9. a slide bar; 10. a sliding table; 11. a servo motor; 12. a speed reducer; 13. a rotating shaft; 14. a drive gear; 15. a driven gear.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
as shown in fig. 1-6, an embodiment of the present invention provides a testing machine for detecting a communication cable, including an upper clamp 4, a lower clamp 6, and a control assembly 7, where the upper clamp 4 and the lower clamp 6 are vertically symmetrically distributed and are provided with clamping power by a pneumatic device, the upper clamp 4 and the lower clamp 6 are both used for respectively clamping an insulating layer of the communication cable and a wire core, and insulating the insulating layer from the wire core from each other, an outer wall of the upper clamp 4 is fixedly connected to an output end of a lifting mechanism, the lifting mechanism is driven by a servo device, the servo device and the pneumatic device are respectively connected with the control assembly 7 in a communication manner, and the upper clamp 4 and the lower clamp 6 are respectively electrically connected with the control assembly 7;
the control assembly 7 is configured to control the pneumatic device to drive the upper clamp 4 and the lower clamp 6 to clamp two ends of a communication cable respectively, meanwhile, perform resistance detection, voltage withstand detection and insulation detection on the clamped communication cable, control the servo device to drive the lifting mechanism to drive the upper clamp 4 to lift, perform tension detection on the clamped communication cable, and the control assembly 7 is internally provided with a resistance detection circuit, a voltage withstand detection circuit, an insulation detection circuit and an on-off detection circuit and performs circuit switching through a relay.
The purpose of selecting different detection circuits is achieved by controlling the on-off of each relay.
Through the design of the upper clamp 4 and the lower clamp 6 and the cooperation of the lifting mechanism and the control assembly, the tester for detecting the communication cable has multiple detection functions, most detection items of the communication cable are met, the integration level of the detection equipment is improved, and the detection cost is reduced.
The upper clamp 4 comprises an upper fixing plate 401, an upper pneumatic insulating layer clamp 402 is fixedly connected to the middle part of the lower end of the upper fixing plate 401, an upper pneumatic wire core clamp 403 is coaxially arranged on the upper part of the upper pneumatic insulating layer clamp 402, the upper pneumatic insulating layer clamp 402 and the upper pneumatic wire core clamp 403 are respectively and electrically connected with the control assembly 7, and the upper pneumatic insulating layer clamp 402 and the upper pneumatic wire core clamp 403 are mutually insulated;
the lower fixture 6 comprises a lower fixing disc 601, a lower pneumatic insulation layer fixture 602 is fixedly connected to the middle of the upper end of the lower fixing disc 601, a lower pneumatic wire core fixture 603 is coaxially arranged at the lower part of the lower pneumatic insulation layer fixture 602, the lower pneumatic insulation layer fixture 602 and the lower pneumatic wire core fixture 603 are respectively and electrically connected with the control assembly 7, the lower pneumatic insulation layer fixture 602 and the lower pneumatic wire core fixture 603 are mutually insulated, the lower end of the lower fixing disc 601 is fixedly connected with the base 1 through a tension sensor, and the tension sensor is in communication connection with the control assembly 7.
The upper pneumatic insulating layer clamp 402 and the lower pneumatic insulating layer clamp 602 clamp the insulating layer of the communication cable, the upper pneumatic wire core clamp 403 and the lower pneumatic wire core clamp 603 clamp the wire core of the communication cable, the lifting mechanism is utilized to lift the wire core to achieve the effect of pulling the communication cable, and the clamped communication cable is respectively subjected to resistance detection, voltage withstanding detection, insulation detection and tension detection through the cooperation of the control assembly 7.
The elevating system includes elevating column 2, elevating column 2 lower extreme fixed connection is in base 1 upper wall middle part, elevating column 2 inside sliding connection has slip table 10, slip table 10 rear portion runs through and threaded connection has lead screw 8, 8 one end rotation of lead screw connect at elevating column 2 inner upper wall, the lead screw 8 other end runs through elevating column 2 lower wall respectively and base 1 upper wall and rotates the diapire in base 1, slip table 10 front end fixed connection is at last anchor clamps 4 rear end, go up anchor clamps 4 both ends respectively fixed connection at connecting rod 5 one end, the connecting rod 5 other end is sliding connection respectively inside spacing post 3, the inside upper and lower wall of spacing post 3 is fixed connection respectively at slide bar 9 both ends, slide bar 9 outer wall runs through and sliding connection is located spacing post 3 inside one end at connecting rod 5.
The servo device comprises a servo motor 11, the output end of the servo motor 11 is fixedly connected with the input end of a speed reducer 12, the lower end of the speed reducer 12 is fixedly connected with the rear part of the upper wall of the base 1, the output end of the speed reducer 12 is fixedly connected with one end of a rotating shaft 13, the other end of the rotating shaft 13 is rotatably connected with the inner bottom wall of the base 1, the outer wall of the rotating shaft 13 is fixedly connected with a driving gear 14, the tooth end of the driving gear 14 is in meshed connection with a driven gear 15, and the middle part of the driven gear 15 is fixedly connected with the outer wall of a screw rod 8.
The control assembly 7 controls the servo motor 11 to start, the driving speed reducer 12 drives the rotating shaft 13 to rotate, the driving gear 14 drives the driven gear 15 to rotate, the purpose of driving the screw rod 8 to rotate is achieved, the screw rod 8 rotates to drive the sliding table 10 to lift, and finally the effect of driving the upper clamp 4 to lift is achieved.
By utilizing the accurate characteristic of the servo motor 11, the control assembly 7 can collect the rotation data of the servo motor 11, and then the position of the upper clamp 4 can be obtained through calculation, and further the rising distance, namely the stretching rate, of the upper clamp is obtained.
The control assembly 7 comprises a man-machine interaction interface for selecting detection items and displaying detection results.
Through the setting of man-machine interaction interface for the inspector is simple and convenient when using, has reduced the study cost of testing machine.
The tensile force detection comprises insulation layer elongation detection and wire core elongation detection.
Embodiment two:
on the basis of the above-described embodiment, the present embodiment provides a resistance detection method using the communication cable detection tester of the first embodiment, comprising the steps of:
step one, clamping wire cores at two ends of a communication cable with a preset length respectively through an upper pneumatic wire core clamp 403 and a lower pneumatic wire core clamp 603;
selecting a resistance detection option through the control assembly 7, and outputting the length of the communication cable, wherein the control assembly 7 controls the relay to enable the resistance detection circuit to be communicated with the upper pneumatic wire core clamp 403 and the lower pneumatic wire core clamp 603, and then direct-current resistance detection is carried out on the communication cable;
thirdly, the control assembly 7 calculates the detected direct current resistance value by combining the length value of the communication cable to obtain the direct current resistance value of the communication cable with unit length, and the control assembly 7 compares the direct current resistance value with a preset standard value range;
and step four, when the direct current resistance value is smaller than a preset standard value range, the control assembly 7 displays that the detection is passed, and when the direct current resistance value is larger than the preset standard value range, the control assembly 7 gives an alarm.
The principle of the current method is that according to the resistance value of the wire and the cable, a constant current source is adopted to output different constant currents, then the voltage at two ends of the tested cable is accurately measured, and the measured data are calculated according to ohm's law to obtain the direct current resistance of the tested wire and the cable.
Embodiment III:
on the basis of the first embodiment, the present embodiment provides an insulation detection method using the testing machine for detecting a communication cable in the first embodiment, comprising the steps of:
step one, clamping a wire core at one end of a communication cable and an insulating layer at the other end of the communication cable through an upper pneumatic wire core clamp 403 and a lower pneumatic insulating layer clamp 602 respectively;
step two, selecting an insulation detection option through the control assembly 7, controlling a relay by the control assembly 7 to enable an insulation detection circuit to be communicated with the upper pneumatic wire core clamp 403 and the lower pneumatic wire core clamp 603, and then conducting insulation detection on a communication cable;
step three, at this time, the insulation detection circuit applies 500 and/or 1000V direct current voltage to the two ends of the upper pneumatic wire core clamp 403 and the lower pneumatic wire core clamp 603, then measures the current passing through the circuit, and finally calculates the direct current impedance by the control assembly 7, thus obtaining the insulation resistance value;
and step four, when the insulation resistance value is smaller than the preset value range, the control assembly 7 gives an alarm, and when the insulation resistance value is larger than the preset value range, the control assembly 7 displays that the detection is passed.
Through the steps, the insulation resistance value of the insulation layer is detected, and the insulation detection project is completed.
Embodiment four:
in addition to the first embodiment, the present embodiment provides a pressure-resistant detection method using the communication cable detection tester according to the first embodiment, including the steps of:
step one, clamping wire cores at two ends of a communication cable respectively through an upper pneumatic wire core clamp 403 and a lower pneumatic wire core clamp 603, and clamping insulation layers at two ends of the communication cable respectively through an upper pneumatic insulation layer clamp 402 and a lower pneumatic insulation layer clamp 602;
step two, selecting a withstand voltage detection option through the control assembly 7, controlling a relay by the control assembly 7 to enable a withstand voltage detection circuit to be communicated with the upper pneumatic wire core clamp 403 and the lower pneumatic wire core clamp 603, and applying an alternating voltage of 1000V plus twice the rated voltage of a communication cable for 30-60s;
step three, simultaneously detecting leakage current of the upper pneumatic insulation layer clamp 402 and the lower pneumatic insulation layer clamp 602;
and fourthly, the control assembly 7 compares the detected leakage current with a preset value, when the detected leakage current is smaller than the preset value, the detection shows that the detection passes the test, and when the detected leakage current is larger than the preset value, the control assembly 7 gives an alarm.
By applying the ultra-high voltage, the leakage current of the insulating layer is detected, and then the withstand voltage detection project is completed.
Fifth embodiment:
on the basis of the first embodiment, the present embodiment provides an insulation layer elongation detection and core elongation detection method using the testing machine for detecting a communication cable in the first embodiment, including the steps of:
step one, after resistance detection, voltage withstand detection and insulation detection pass, holding wire cores at two ends of a communication cable to be respectively clamped by an upper pneumatic wire core clamp 403 and a lower pneumatic wire core clamp 603, and holding insulation layers at two ends of the communication cable to be respectively clamped by an upper pneumatic insulation layer clamp 402 and a lower pneumatic insulation layer clamp 602, and keeping the communication cable to be straightened;
step two, selecting a tension detection option through the control assembly 7, wherein the control assembly 7 firstly controls the on-off detection circuit to be communicated with the upper pneumatic wire core clamp 403 and the lower pneumatic wire core clamp 603, and then controls the servo motor 11 to start so as to drive the upper clamp 4 to rise, so that the communication cable is stretched;
step three, when the wire core is broken, the on-off detection circuit detects that the passage is broken, and the control assembly 7 records the rising distance at the moment, namely the elongation of the wire core;
and step four, the control assembly 7 controls the upper clamp 4 to continuously ascend until the insulating layer is broken, at the moment, the tension value of the tension sensor is 0, and the control assembly 7 records the ascending distance at the moment, namely the elongation of the insulating layer.
Through the break-make detection circuit, when making the detection sinle silk break, outage in the circuit, and then make control assembly 7 obtain the reference to gather the rise when the sinle silk breaks, the insulating layer is broken, and the pulling force sensor pulling force numerical value drops to 0 in the twinkling of an eye, makes control assembly 7 obtain the reference, in order to gather the rise when the insulating layer breaks.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a communication cable detects uses testing machine, includes anchor clamps (4), lower anchor clamps (6), control assembly (7), its characterized in that: the upper clamp (4) and the lower clamp (6) are vertically symmetrically distributed and are provided with clamping power by a pneumatic device, the upper clamp (4) and the lower clamp (6) are both used for respectively clamping an insulating layer of a communication cable and a wire core and insulating the insulating layer from the wire core, the outer wall of the upper clamp (4) is fixedly connected to the output end of a lifting mechanism, the lifting mechanism is driven by a servo device, the servo device and the pneumatic device are respectively in communication connection with a control assembly (7), and the upper clamp (4) and the lower clamp (6) are respectively and electrically connected with the control assembly (7);
the control assembly (7) is configured to control the pneumatic device to drive the upper clamp (4) and the lower clamp (6) to clamp two ends of a communication cable respectively, meanwhile, resistance detection, voltage withstand detection and insulation detection are carried out on the clamped communication cable, the control servo device drives the lifting mechanism to drive the upper clamp (4) to lift and pull the clamped communication cable to detect, and a resistance detection circuit, a voltage withstand detection circuit, an insulation detection circuit and an on-off detection circuit are arranged in the control assembly (7) and are switched through a relay.
2. The test machine for detecting a communication cable according to claim 1, wherein: the upper clamp (4) comprises an upper fixing disc (401), an upper pneumatic insulating layer clamp (402) is fixedly connected to the middle of the lower end of the upper fixing disc (401), an upper pneumatic wire core clamp (403) is coaxially arranged on the upper part of the upper pneumatic insulating layer clamp (402), the upper pneumatic insulating layer clamp (402) and the upper pneumatic wire core clamp (403) are respectively and electrically connected with the control assembly (7), and the upper pneumatic insulating layer clamp (402) and the upper pneumatic wire core clamp (403) are mutually insulated;
the lower clamp (6) comprises a lower fixing disc (601), a lower pneumatic insulation layer clamp (602) is fixedly connected to the middle of the upper end of the lower fixing disc (601), a lower pneumatic wire core clamp (603) is coaxially arranged at the lower part of the lower pneumatic insulation layer clamp (602), the lower pneumatic insulation layer clamp (602) and the lower pneumatic wire core clamp (603) are respectively and electrically connected with the control assembly (7), the lower pneumatic insulation layer clamp (602) and the lower pneumatic wire core clamp (603) are mutually insulated, the lower end of the lower fixing disc (601) is fixedly connected with the base (1) through a tension sensor, and the tension sensor is in communication connection with the control assembly (7).
3. The test machine for detecting a communication cable according to claim 1, wherein: elevating system includes lift post (2), lift post (2) lower extreme fixed connection is in base (1) upper wall middle part, inside sliding connection of lift post (2) has slip table (10), slip table (10) rear portion runs through and threaded connection has lead screw (8), lead screw (8) one end rotates to be connected at lift post (2) interior upper wall, the lead screw (8) other end runs through lift post (2) lower wall and base (1) upper wall respectively and rotates to be connected at base (1) interior diapire, slip table (10) front end fixed connection is at last anchor clamps (4) rear end, go up anchor clamps (4) both ends respectively fixed connection in connecting rod (5) one end, the connecting rod (5) other end is inside spacing post (3) respectively sliding connection is at slide bar (9) both ends, slide bar (9) outer wall runs through and sliding connection is located spacing post (3) inside one end.
4. The test machine for detecting a communication cable according to claim 1, wherein: the servo device comprises a servo motor (11), the output end of the servo motor (11) is fixedly connected with the input end of a speed reducer (12), the lower end of the speed reducer (12) is fixedly connected with the rear part of the upper wall of a base (1), the output end of the speed reducer (12) is fixedly connected with one end of a rotating shaft (13), the other end of the rotating shaft (13) is rotationally connected with the inner bottom wall of the base (1), the outer wall of the rotating shaft (13) is fixedly connected with a driving gear (14), the tooth end of the driving gear (14) is meshed with a driven gear (15), and the middle part of the driven gear (15) is fixedly connected with the outer wall of a screw rod (8).
5. The test machine for detecting a communication cable according to claim 1, wherein: the control assembly (7) comprises a man-machine interaction interface and is used for selecting detection items and displaying detection results.
6. The test machine for detecting a communication cable according to claim 1, wherein: the tensile force detection comprises insulation layer elongation detection and wire core elongation detection.
7. The test machine for detecting a communication cable according to claim 1, wherein: the resistance detection comprises the following steps:
step one, clamping wire cores at two ends of a communication cable with a preset length respectively through an upper pneumatic wire core clamp (403) and a lower pneumatic wire core clamp (603);
selecting a resistance detection option through the control assembly (7) and outputting the length of the communication cable, wherein the control assembly (7) controls the relay to enable the resistance detection circuit to be communicated with the upper pneumatic wire core clamp (403) and the lower pneumatic wire core clamp (603), and then direct-current resistance detection is carried out on the communication cable;
thirdly, the control assembly (7) calculates the detected direct current resistance value by combining the length value of the communication cable to obtain the direct current resistance value of the communication cable with unit length, and the control assembly (7) compares the direct current resistance value with a preset standard value range;
and fourthly, when the direct current resistance value is smaller than a preset standard value range, the control assembly (7) displays that the detection is passed, and when the direct current resistance value is larger than the preset standard value range, the control assembly (7) gives an alarm.
8. The test machine for detecting a communication cable according to claim 1, wherein: the insulation detection comprises the following steps:
step one, clamping a wire core at one end of a communication cable and an insulating layer at the other end of the communication cable respectively through an upper pneumatic wire core clamp (403) and a lower pneumatic insulating layer clamp (602);
step two, selecting an insulation detection option through a control assembly (7), wherein the control assembly (7) controls a relay to enable an insulation detection circuit to be communicated with an upper pneumatic wire core clamp (403) and a lower pneumatic wire core clamp (603), and then insulation detection is carried out on a communication cable;
step three, applying 500 and/or 1000V direct current voltage to the two ends of the upper pneumatic wire core clamp (403) and the lower pneumatic wire core clamp (603) by the insulation detection circuit, measuring current passing through the circuit, and finally calculating direct current impedance by the control assembly (7) to obtain an insulation resistance value;
and fourthly, when the insulation resistance value is smaller than a preset value range, the control assembly (7) gives an alarm, and when the insulation resistance value is larger than the preset value range, the control assembly (7) displays that the detection is passed.
9. The test machine for detecting a communication cable according to claim 1, wherein: the pressure resistance detection comprises the following steps:
step one, clamping wire cores at two ends of a communication cable respectively through an upper pneumatic wire core clamp (403) and a lower pneumatic wire core clamp (603), and clamping insulating layers at two ends of the communication cable respectively through an upper pneumatic insulating layer clamp (402) and a lower pneumatic insulating layer clamp (602);
step two, selecting a withstand voltage detection option through a control assembly (7), wherein the control assembly (7) controls a relay to enable a withstand voltage detection circuit to be communicated with an upper pneumatic wire core clamp (403) and a lower pneumatic wire core clamp (603), and applies an alternating voltage which is equal to twice the rated voltage of a communication cable and is 1000V for 30-60s;
step three, simultaneously detecting leakage current of the upper pneumatic insulating layer clamp (402) and the lower pneumatic insulating layer clamp (602);
and fourthly, the control assembly (7) compares the detected leakage current with a preset value, when the detected leakage current is smaller than the preset value, the detection shows that the detection passes the test, and when the detected leakage current is larger than the preset value, the control assembly (7) gives an alarm.
10. The test machine for detecting a communication cable according to claim 6, wherein: the insulation layer elongation detection and the wire core elongation detection are performed simultaneously, and the method comprises the following steps:
after resistance detection, voltage withstand detection and insulation detection pass, holding wire cores at two ends of a communication cable to be respectively clamped by an upper pneumatic wire core clamp (403) and a lower pneumatic wire core clamp (603), and holding insulation layers at two ends of the communication cable to be respectively clamped by an upper pneumatic insulation layer clamp (402) and a lower pneumatic insulation layer clamp (602), and keeping the communication cable to be straightened;
step two, selecting a tension detection option through a control assembly (7), wherein the control assembly (7) firstly controls the on-off detection circuit to be communicated with an upper pneumatic wire core clamp (403) and a lower pneumatic wire core clamp (603), and then controls a servo motor (11) to start so as to drive an upper clamp (4) to rise, so that a communication cable is stretched;
step three, when the wire core is broken, the on-off detection circuit detects that the passage is broken, and the control assembly (7) records the rising distance at the moment, namely the elongation of the wire core;
and step four, the control assembly (7) controls the upper clamp (4) to continuously ascend until the insulating layer is broken, at the moment, the tension value of the tension sensor is 0, and the control assembly (7) records the ascending distance at the moment, namely the elongation of the insulating layer.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101241162B (en) * | 2007-02-08 | 2010-06-16 | 西安航力航电技术发展有限公司 | Cable tester |
| CN102494618A (en) * | 2011-12-15 | 2012-06-13 | 河北工业大学 | Cable sheath tensile length detection apparatus |
| CN204514965U (en) * | 2015-03-24 | 2015-07-29 | 国家电网公司 | A kind of cable access device of dielectric loss checkout equipment |
| KR101762505B1 (en) * | 2015-09-14 | 2017-07-28 | 아주대학교산학협력단 | Apparatus for cable inspection |
| CN107957509A (en) * | 2017-12-23 | 2018-04-24 | 河南智金网络技术有限公司 | A kind of clamped-in style cable voltage tests quick coupling |
| CN109061242A (en) * | 2018-08-29 | 2018-12-21 | 河南检亿科技有限公司 | A kind of air-actuated jaw for electric wire and cable conductor resistance test |
| CN110031725A (en) * | 2019-05-16 | 2019-07-19 | 匠石电力电子科技(镇江)有限公司 | A kind of telemetering equipment assembly |
| CN210375947U (en) * | 2019-07-31 | 2020-04-21 | 河北中联银杉新材料有限公司 | Cable material strip tensile test device |
| CN111624406A (en) * | 2020-04-20 | 2020-09-04 | 戴文忠 | Electrical performance test tool for cable |
| CN214121830U (en) * | 2020-12-16 | 2021-09-03 | 河南中裕电力设备有限公司 | Clamp for detecting tensile strength of welded cable |
| CN214040938U (en) * | 2020-12-17 | 2021-08-24 | 河南中州易亨电缆有限公司 | Tension test device for cable detection |
| CN214200954U (en) * | 2021-01-12 | 2021-09-14 | 厦门搏仕检测设备有限公司 | Universal tensile testing machine of electron convenient to it is fixed |
| CN112903449A (en) * | 2021-01-22 | 2021-06-04 | 福建省南平南线电力电缆有限公司 | Intelligent detection device for performance of cable sheath material and online test method thereof |
| CN113075513A (en) * | 2021-04-01 | 2021-07-06 | 厦门启舞贸易有限公司 | Device for detecting insulativity of wire insulating layer |
| CN217112584U (en) * | 2022-04-06 | 2022-08-02 | 济南朗钜电子科技有限公司 | Cable withstand voltage tester |
| CN114813409A (en) * | 2022-06-29 | 2022-07-29 | 江苏海强电缆有限公司 | Fatigue detection device for control cable |
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