Power cable insulation damage detection system

Abstract

A power cable insulation damage detection system disclosed by the present invention comprises a shell, one side of the shell is provided with an opening, the shell is internally provided with a driving wheel mechanism and a detection mechanism, the driving wheel mechanism comprises a driving wheel mechanism and a driven wheel mechanism, and the driving wheel mechanism is connected with a driving motor; the detection mechanism comprises a clamping seat, the clamping seat is connected with a lifting driving device, an arc-shaped groove is formed in the clamping seat, an elastic arc-shaped clamping plate is arranged in the arc-shaped groove, the elastic arc-shaped clamping plate is connected with the inner wall of the arc-shaped groove through a fine adjustment assembly, and a plurality of groups of detection components are arranged on the elastic arc-shaped clamping plate; the shell is further provided with a control mechanism and a driving power source, and the control mechanism and the driving power source are electrically connected with the driving wheel mechanism and the detection mechanism. The cable insulation damage can be quickly found, timely repair is facilitated, normal operation of the cable is ensured, and potential safety hazards are reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of cable damage detection, and in particular relates to a power cable insulation damage detection system. Background Art

[0002] Power cable is a cable product used to transmit and distribute high-power electrical energy in the trunk lines of the power system. As the cable runs longer, due to improper operation by the staff, harsh environment around the cable, process omissions in cable manufacturing, and long-term operation losses, the cable insulation may suffer irregular damage, such as scratches or punctures on the main insulation. In severe cases, the metal isolation layer or internal conductor of the cable may be exposed, which will directly affect the normal operation of the cable and cause various faults.

[0003] In specific application environments, the insulation of most cables running in distribution networks is damaged, which rarely attracts the attention of staff. The insulation damage of the cables cannot be repaired in time. When they run for a long time, it will cause temperature abnormalities and accelerate insulation aging, which may cause local discharge breakdown and lead to explosion and fire accidents, posing a major safety hazard.

[0004] Therefore, in order to solve the above problems, it is necessary to develop a power cable insulation damage detection system. Summary of the invention

[0005] The purpose of the present invention is to overcome the shortcomings of the prior art and to provide a power cable insulation damage detection system. By providing a detection component, when it is detected that the insulation layer of the power cable is damaged, resulting in the metal isolation layer or the internal conductor being exposed, an indicator light is turned on, the cable insulation damage is quickly discovered, and timely repairs are performed to ensure the normal operation of the cable and reduce safety hazards.

[0006] The object of the present invention is achieved as follows: A power cable insulation damage detection system comprises a housing, one side of the housing is provided with an opening, and a driving wheel mechanism and a detection mechanism are provided inside the housing; Wherein, the driving wheel mechanism comprises a driving wheel mechanism and a driven wheel mechanism arranged on both sides of the detection mechanism, and the driving wheel mechanism is connected to a driving motor; The detection mechanism includes a clamping seat respectively arranged at the upper and lower parts of the shell, the outer side of the clamping seat is connected to a lifting drive device, the clamping seat is provided with an arc groove on one side close to the shell, elastic arc clamping plates are respectively provided on both sides of the arc groove, the elastic arc clamping plates are connected to the inner wall of the arc groove through a fine-tuning component, and the upper and lower four elastic arc clamping plates jointly form a clamping space for the cable, the fine-tuning component includes at least one elastic airbag arranged between the inner wall of the arc groove and the elastic arc clamping plate, and the elastic airbag is connected to an inflation component; The elastic arc clamping plate is provided with a plurality of detection components, the detection components include two conductive balls embedded on a side of the elastic arc clamping plate close to the clamping space and distributed along the cable axis direction, each conductive ball is connected to a brush provided on the elastic arc clamping plate, and the other side of the brush is connected to an indicator light, when the conductive ball contacts the exposed conductor at the damaged part of the cable surface, the indicator light circuit is connected and the indicator light is on; The housing is also provided with a control mechanism and a driving power source, which are electrically connected to a driving motor in the driving wheel mechanism, and a lifting driving device, an inflation component and a detection member in the detection mechanism.

[0007] Furthermore, the driving wheel mechanism and the driven wheel mechanism respectively include an upper roller and a lower roller for clamping the cable, and the lower roller can be adjusted in height up and down.

[0008] Furthermore, the up and down height adjustment structure of the lower roller includes a vertical long hole opened on the two side walls of the shell, and a horizontal adjustment screw is arranged through the long hole. The adjustment screw can move up and down along the long hole, and one end of the adjustment screw located inside the shell is fixedly connected to the rotating bracket of the lower roller, and the other end of the adjustment screw located outside the shell is fixed and tightened by a nut.

[0009] Furthermore, the driving motor is a forward and reverse motor.

[0010] Furthermore, the lifting drive device adopts a hydraulic cylinder assembly, a cylinder assembly or an electric push rod assembly.

[0011] Furthermore, three elastic airbags are arranged between the inner wall of each arc-shaped groove and the elastic arc-shaped clamping plate, and are evenly distributed between the inner wall of the arc-shaped groove and the elastic arc-shaped clamping plate.

[0012] Due to the adoption of the above technical solution, the beneficial effects of the present invention are: (1) By providing multiple groups of detection components, each group of detection components includes two conductive balls arranged along the cable axis direction, the two conductive balls are respectively connected to brushes arranged on the elastic arc clamping plate, and the other sides of the two brushes are respectively connected to the two ends of the indicator light. When the cable surface insulation is not damaged, the two conductive balls are in a disconnected state, the indicator light circuit is not connected, and the indicator light does not light up. When the conductive balls contact the exposed conductor at the damaged part of the cable surface, the two conductive balls are in a conductive state, the indicator light circuit is connected, and the indicator light lights up. The detection of cable surface insulation damage can be quickly realized, which is convenient and quick; (2) A clamping seat capable of clamping the cable is provided on the upper and lower parts of the housing, and four elastic arc-shaped clamping plates are provided on the clamping seat to form a clamping space for the cable. A lifting drive device connected to the clamping seat can adjust the clamping space to a large extent, and the cable can be clamped quickly. A fine-tuning component is provided between the elastic arc-shaped clamping plate and the arc-shaped groove, and the elastic airbag is inflated by the inflation component to push part of the elastic arc-shaped clamping plate closer to the cable, so that the cable can be better wrapped, so that the detection component can better fit the cable surface, and the detection effect is effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a main structural schematic diagram of the present invention.

[0014] Figure 2 It is a side structural schematic diagram of the detection mechanism in the present invention.

[0015] Figure 3 yes Figure 2 Schematic diagram of the enlarged structure of part A.

[0016] Figure 4 It is a side-view enlarged structural schematic diagram of the detection component in the present invention.

[0017] In the figure: 00, cable 01, clamping space 1, housing 2, driving wheel mechanism 3, detection mechanism 4, control mechanism 5, driving power supply; 11. Open your mouth; 21. driving wheel mechanism 22. driven wheel mechanism 23. driving motor; 31, clamping seat 32, lifting drive device 33, arc groove 34, elastic arc clamping plate 35, fine adjustment component 36, detection component; 35a, elastic airbag 35b, inflatable component; 36a, conductive ball 36b, brush 36c, indicator light. DETAILED DESCRIPTION

[0018] The technical solution of the present invention is further specifically described below through embodiments and in conjunction with the accompanying drawings.

[0019] like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a power cable insulation damage detection system comprises a housing 1, an opening 11 is arranged on one side of the housing 1, and a driving wheel mechanism 2 and a detection mechanism 3 are arranged inside the housing 1.

[0020] Among them, the driving wheel mechanism 2 includes a driving wheel mechanism 21 and a driven wheel mechanism 22 arranged on both sides of the detection mechanism 3, the driving wheel mechanism 21 is connected to a driving motor 23, preferably, the driving motor 23 can adopt a forward and reverse motor; specifically, the driving wheel mechanism 21 and the driven wheel mechanism 22 respectively include an upper roller and a lower roller for clamping the cable, preferably, in order to adapt to cables of different sizes, the lower roller can be adjusted up and down in height, preferably, the up and down adjustment height structure of the lower roller includes a vertical long hole opened on the two side walls of the shell 1, a horizontal adjusting screw is penetrated in the long hole, the adjusting screw can move up and down along the long hole, one end of the adjusting screw located inside the shell 1 is fixedly connected to the rotating bracket of the lower roller, and the one end of the adjusting screw located outside the shell 1 is fixed and pressed by a nut, in addition, other existing structures that can realize the up and down movement of the lower roller to adapt to the clamping of cables of different sizes are all acceptable, and no other special requirements are made in this application, it is only necessary to realize the adjustment of the up and down height of the lower roller, which will not be repeated here.

[0021] Among them, the detection mechanism 3 includes a clamping seat 31 respectively arranged at the upper and lower parts of the shell 1, and a lifting drive device 32 is connected to the outer side of the clamping seat 31. Preferably, the lifting drive device 32 can be implemented by a hydraulic cylinder assembly, a cylinder assembly, or an electric push rod assembly; by driving the clamping seat 31 up and down through the lifting drive device 32, a large-scale and rapid adjustment of the clamping space can be achieved.

[0022] Among them, an arc groove 33 is provided on one side of the clamping seat 31 close to the inside of the shell 1, and elastic arc clamping plates 34 are respectively provided on both sides of the arc groove 33. The elastic arc clamping plates 34 are connected to the inner wall of the arc groove 33 through a fine-tuning component 35, and the upper and lower four elastic arc clamping plates 34 together form a clamping space for the cable.

[0023] Among them, the fine-tuning component 35 includes at least one elastic airbag 35a arranged between the inner wall of the arc groove 33 and the elastic arc clamping plate 34, and the elastic airbag 35a is connected to the inflation component 35b; each elastic airbag 35a between the inner wall of the arc groove 33 and the elastic arc clamping plate 34 is set to three, and is evenly distributed between the inner wall of the arc groove 33 and the elastic arc clamping plate 34. The elastic airbag 35a is inflated by the inflation component 35b to push part of the elastic arc clamping plate 34 closer to the cable, which can better wrap the cable and enable the detection component 36 to better fit the cable surface.

[0024] Among them, several groups of detection components 36 are arranged on the elastic arc clamping plate 34, and the detection component 36 includes two conductive balls 36a embedded on one side of the elastic arc clamping plate 34 close to the clamping space and distributed along the cable axis direction. Each conductive ball 36a is connected to a brush 36b arranged on the elastic arc clamping plate 34, and the other sides of the two brushes 36b are respectively connected to the two ends of the indicator light 36c. When the surface insulation of the cable is not damaged, the two conductive balls 36a are in a disconnected state, the indicator light circuit is not connected, and the indicator light 36c is not on. When the conductive balls 36a contact the exposed conductor at the damaged part of the cable surface, the two conductive balls 36a are in a conductive state, the indicator light circuit is connected, and the indicator light is on, which can quickly realize the detection of damaged cable surface insulation, which is convenient and quick.

[0025] Among them, the shell 1 is also provided with a control mechanism 4 and a driving power supply 5, and the control mechanism 4 and the driving power supply 5 are electrically connected to the driving motor 23 in the driving wheel mechanism 2, and the lifting drive device 32, the inflation component 35b and the detection component 36 in the detection mechanism 3.

[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that the specific implementation modes of the present invention can still be modified or replaced by equivalents, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A power cable insulation damage detection system, characterized in that: It comprises a housing (1), one side of the housing (1) is provided with an opening (11), and a driving wheel mechanism (2) and a detection mechanism (3) are provided inside the housing (1); The driving wheel mechanism (2) comprises a driving wheel mechanism (21) and a driven wheel mechanism (22) arranged on both sides of the detection mechanism (3); the driving wheel mechanism (21) is connected to a driving motor (23); The detection mechanism (3) comprises a clamping seat (31) respectively arranged at the upper and lower parts of the housing (1); the outer side of the clamping seat (31) is connected to a lifting drive device (32); a side of the clamping seat (31) close to the inside of the housing (1) is provided with an arc groove (33); elastic arc clamping plates (34) are respectively arranged on both sides of the arc groove (33); the elastic arc clamping plates (34) are connected to the inner wall of the arc groove (33) via a fine adjustment component (35); and the four upper and lower elastic arc clamping plates (34) together form a clamping space for the cable; The fine-tuning component (35) comprises at least one elastic airbag (35a) arranged between the inner wall of the arc-shaped groove (33) and the elastic arc-shaped clamping plate (34), and the elastic airbag (35a) is connected to an inflation component (35b); The elastic arc-shaped clamping plate (34) is provided with a plurality of detection components (36), the detection components (36) comprising two conductive balls (36a) embedded on a side surface of the elastic arc-shaped clamping plate (34) close to the clamping space and distributed along the cable axis direction, each conductive ball (36a) is connected to a brush (36b) provided on the elastic arc-shaped clamping plate (34), and the other side of the brush (36b) is connected to an indicator light (36c), and when the conductive ball (36a) contacts the exposed conductor at the damaged portion of the cable surface, the circuit of the indicator light (36c) is connected, and the indicator light (36c) lights up; The housing (1) is also provided with a control mechanism (4) and a driving power source (5), and the control mechanism (4) and the driving power source (5) are electrically connected to a driving motor (23) in the driving wheel mechanism (2), and a lifting driving device (32), an inflation component (35b), and a detection member (36) in the detection mechanism (3).

2. A power cable insulation damage detection system according to claim 1, characterized in that: The driving wheel mechanism (21) and the driven wheel mechanism (22) respectively comprise an upper roller and a lower roller for clamping the cable, and the lower roller can be adjusted in height up and down.

3. A power cable insulation damage detection system according to claim 2, characterized in that: The up and down height adjustment structure of the lower roller comprises a vertical long hole formed on the two side walls of the outer shell (1), a horizontal adjustment screw is provided through the long hole, and the adjustment screw can move up and down along the long hole, one end of the adjustment screw located inside the outer shell (1) is fixedly connected to the rotating bracket of the lower roller, and the other end of the adjustment screw located outside the outer shell (1) is fixedly pressed by a nut.

4. A power cable insulation damage detection system according to claim 1, characterized in that: The driving motor (23) is a forward and reverse motor.

5. A power cable insulation damage detection system according to claim 1, characterized in that: The lifting drive device (32) adopts a hydraulic cylinder assembly, a pneumatic cylinder assembly, or an electric push rod assembly.

6. A power cable insulation damage detection system according to claim 1, characterized in that: Three elastic air bags (35a) are provided between the inner wall of each arc-shaped groove (33) and the elastic arc-shaped clamping plate (34), and are evenly distributed between the inner wall of the arc-shaped groove (33) and the elastic arc-shaped clamping plate (34).

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