CN213182990U

CN213182990U - Power cable monitoring anti-theft system

Info

Publication number: CN213182990U
Application number: CN202020952167.9U
Authority: CN
Inventors: 夏志远; 吕委; 李松; 王贵军
Original assignee: Nanjing Ruibaote Electronic Technology Co Ltd
Current assignee: Nanjing Ruibaote Electronic Technology Co Ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-05-11
Anticipated expiration: 2030-05-29

Abstract

A power cable monitoring anti-theft system comprises a connector lug, a connector lug and a connector lug, wherein the connector lug comprises a body of a column I with an outer screw hole in the outer wall and a column II with an outer screw hole in the outer wall, a column body embedded into the column II with the outer screw hole in the outer wall, a first cover body used for sealing the column I with the outer screw hole in the outer wall and a second cover body used for sealing the column body, and the column I with the outer screw hole in the outer wall surrounds a further center line and is equidistantly provided with openings with the number higher than two; the defects that the environment of the power cable in the prior art is different, so that the environment of the first monitoring lead is different from that of the second monitoring lead, and a single type of connecting structure is not easy to adapt to specific requirements are effectively overcome by combining other structures.

Description

Power cable monitoring anti-theft system

Technical Field

The utility model belongs to the technical field of power cable, also belong to monitoring theftproof technical field, concretely relates to power cable monitoring anti-theft system.

Background

The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. In the power lines, the cable is increasing in specific gravity. Power cables are cable products used in the trunk lines of power systems to transmit and distribute high power electrical energy.

The main power cable lines in large projects are mostly made of copper conductors. Because the recovery price of copper is higher, the copper-clad cable has great economic benefit, and lawbreakers often risk to steal the cable. Therefore, a cable anti-theft alarm device is provided, wherein a first monitoring lead and a second monitoring lead are arranged in a cable, and one end of the first monitoring lead is in short circuit with one end of the second monitoring lead; the connector lug is a hinge for short-connecting one end of a first monitoring lead and one end of a second monitoring lead, and the embedded one end of the first monitoring lead and one end of the second monitoring lead can be firmly clamped by the flexible deformation of the head of a plate spring with a winding section in the connector lug at present by using a common connector lug; the other type is that the lead is fixed by a connecting screw rod, the connecting screw rods are arranged on the embedding cylinder seat and the embedding rod, and one end of the embedded first monitoring lead and one end of the embedded second monitoring lead can be firmly clamped by the connecting screw rods; due to different environments of the power cables, the environments of the first monitoring lead and the second monitoring lead are different, and a single type of connection structure is not easy to adapt to specific requirements.

Disclosure of Invention

In order to solve the problem, the utility model provides a power cable monitoring anti-theft system has effectively avoided among the prior art power cable's environment to have different and make the environment that first monitoring wire and second monitoring wire were located also different, a single class of continuous structure is difficult to adapt to concrete requirement's defect.

In order to overcome the not enough among the prior art, the utility model provides a power cable monitoring anti-theft system's solution specifically as follows:

a power cable monitoring anti-theft system comprises a first monitoring lead and a second monitoring lead which are arranged in a cable, wherein one end of the first monitoring lead is in short circuit with one end of the second monitoring lead;

the structure of first monitoring wire one end and second monitoring wire one end short circuit includes: one end of the first monitoring lead is short-circuited with one end of the second monitoring lead through a connector lug made of metal materials, the connector lug comprises a body 4 of a first column part 42 with an outer wire opening on the outer wall and a second column part 44 with an outer wire opening on the outer wall, a column body 23 embedded in the second column part 44 with the outer wire opening on the outer wall, a first cover body 26 for sealing the first column part 42 with the outer wire opening on the outer wall and a second cover body 10 for sealing the column body 23, the first column part 42 with the outer wire opening on the outer wall is provided with more than two openings 422 surrounding a further center line at equal intervals, the openings 422 are divided into a first hollow area 425 and a second hollow area 424 through a blocking sheet 423, the first hollow area 425 is internally provided with an embedding rod 24, the first cover body 26 protrudes towards the first column part 42 with the outer wire opening on the outer wall to form a hollow plate 264 capable of detecting the second hollow area 424 and a support 262 capable of detecting the first area 425, the trench 263 is arranged between the support 262 and the plate 264, the first cover body 26 and the embedded rod 24 are correspondingly provided with a first cable groove 265 penetrating through the support 262, the plate spring 14 is arranged between the support 262 and the plate 264, the cylindrical body 23 is provided with a containing chamber 232 for containing the embedded cylinder seat 22 at the same interval around a further center line, the number of the embedded cylinder seat 22 is the same as that of the embedded rod 24, the embedded cylinder seat 22 is provided with a connecting screw rod 10 for firmly clamping one end of a first monitoring wire, the second cover body 10 is provided with a second cable groove 102 corresponding to the embedded cylinder seat 22, and the embedded rod 24 and the embedded cylinder seat 22 are connected through embedding.

Furthermore, a ring-shaped opening 43 is formed in the body 4, the closed ring 6 is assembled on the ring-shaped opening 43, and a ring-column-shaped screw nut 5 with an inner screw opening on the inner wall is screwed between a column member I42 with an outer screw opening on the outer wall and a column member II 44 with an outer screw opening on the outer wall.

Furthermore, the first cover body 26 and the first column part 42 with the outer threads on the outer wall are embedded in a transition fit mode, and the second cover body 10 and the column body 23 are embedded in a transition fit mode.

Further, the plate spring 14 is formed by integrally forming a limiting portion 252, a bending portion 253 and a deformation portion 254, the limiting portion 252 is connected to the plate 264, the bending portion 253 is connected to the groove 263, and the deformation portion 254 is inserted into the first hollow area 425 and connected to the embedding rod 24 to maintain the elasticity.

Further, the stopper 252 has a stabilizer 2522 integrally formed by casting, the plate 264 has a stabilizer opening combined with the stabilizer 2522 in a transition fit manner, and the deformation 254 has a guide hole 2542 integrally formed by casting.

Furthermore, the first cable groove 265 is provided with a cable splitting opening 267 in communication.

Furthermore, the middle position of the first cover body 26 protrudes towards the inner side of the first column member 42 with the outer thread opening on the outer wall to form a first cylindrical guide strip 266, the outer wall of the first search fox is provided with a first embedded port 426 in the first column member 42 with the outer thread opening, the inner wall of the second annular column member 44 with the outer thread opening on the outer wall is provided with a guide block 442, the column body 23 is provided with a guide opening 235 opposite to the guide block 442, the middle position of the second cover body 10 protrudes towards the inner side of the column body 23 to form a second cylindrical guide strip 104, and the column body 23 is provided with a second matched embedded port 233.

Further, the cylindrical body 23 is provided with a cylindrical protruding part 234, and the second cover body 10 is provided with a notch 103 opposite to the protruding part 234; the connector lug also comprises a ring-column-shaped hoop 7 with an inner screw opening and a nut 2 for clamping, wherein the inner wall of the connector lug in threaded connection with the body 4 is provided with the ring-column-shaped hoop 7 with the inner screw opening, the hoop 7 with the inner screw opening is connected with a second column piece 44 with an outer screw opening on the outer wall, and the nut 2 for clamping is connected with a first column piece 42 with the outer screw opening on the outer wall and is provided with a sealing block 3.

Furthermore, a hook 72 made of beryllium copper and capable of gathering the monitoring wire and a ring column-shaped sleeve 8 are arranged on the hoop 7 with the inner screw opening on the inner wall, and a nut 9 for clamping is screwed on the hoop 7 with the inner screw opening on the inner wall.

The utility model has the advantages that:

the utility model discloses the wiring method to the first monitoring wire of present connector lug two and second monitoring wire only is a single kind of problem, one end of connector lug is via the stable first monitoring wire of line screw rod, and it is continuous stable, and another is via the leaf spring scarf joint and have the elasticity, and the split is convenient, and it is rational in infrastructure, and the construction expense is not high, is suitable for a plurality of concrete assembly environment, accords with user's requirement.

Drawings

Fig. 1 is a partial part view of the connector of the present invention.

Fig. 2 is a part diagram of another part of the connecting head of the present invention.

Fig. 3-5 are three-dimensional views of the body of the present invention from different perspectives.

Fig. 6 is a structural view of a first cover body of the present invention.

Fig. 7 is a plan view of a first cover body of the present invention.

Fig. 8 is a three-dimensional view of the plate spring of the present invention.

Fig. 9 is a connection diagram of the scarf rod of the present invention.

Fig. 10 is a three-dimensional view of the column of the present invention.

Fig. 11 is a downward projection view of the column of the present invention.

Fig. 12 is an upward projection view of the column of the present invention.

Fig. 13-14 are three-dimensional views of the second cover body of the present invention from different viewing angles.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1-14, the power cable monitoring and anti-theft system includes a cable anti-theft alarm device, where the cable anti-theft alarm device includes a first monitoring wire and a second monitoring wire disposed in a cable, and one end of the first monitoring wire is short-circuited with one end of the second monitoring wire; the other end of the first monitoring wire, the first power supply, the relay K and the other end of the second monitoring wire are connected to form a first loop. And a normally open contact of the relay K, the alarm and the second power supply are connected to form a second loop. And a first protection resistor R1 is connected between the relay K and the other end of the second monitoring lead. And a second protection resistor R2 is connected between the alarm and the second power supply. The first monitoring lead and the second monitoring lead are positioned at the center of the cable. The alarm is a buzzer.

Therefore, after being cut, the cable can automatically give out alarm sound to scare away criminals to protect the cable; the alarm informs the equipment maintenance personnel of finding the power failure in time so as to prevent the cut end of the stolen cable from electrically injuring people. Two monitoring wires are located at the center of the cable, whether the cable is cut off or not is effectively monitored, and the condition that a thief cuts off the cable in a single phase and cannot monitor the cable is avoided. And the two loops are provided with protection resistors to prevent the loops from being broken down automatically and effectively protect components in the loops. If the cable is cut off by the single phase, the cable still cannot be stolen smoothly because two monitoring leads in the cable are not broken; if the cable is completely cut off, the cable can touch the alarm device to alarm, and the cable theft self-alarm function is achieved.

The structure of first monitoring wire one end and second monitoring wire one end short circuit includes: one end of the first monitoring lead is short-circuited with one end of the second monitoring lead through a connector lug made of metal materials, the connector lug comprises a body 4 of a first column part 42 with an outer wire opening on the outer wall and a second column part 44 with an outer wire opening on the outer wall, a column body 23 embedded in the second column part 44 with the outer wire opening on the outer wall, a first cover body 26 for sealing the first column part 42 with the outer wire opening on the outer wall and a second cover body 10 for sealing the column body 23, the first column part 42 with the outer wire opening on the outer wall is provided with more than two openings 422 surrounding a further center line at equal intervals, the openings 422 are divided into a first hollow area 425 and a second hollow area 424 through a blocking sheet 423, the first hollow area 425 is internally provided with an embedding rod 24, the first cover body 26 protrudes towards the first column part 42 with the outer wire opening on the outer wall to form a hollow plate 264 capable of detecting the second hollow area 424 and a support 262 capable of detecting the first area 425, the trench 263 is arranged between the support 262 and the plate 264, the first cover body 26 and the embedded rod 24 are correspondingly provided with a first cable groove 265 penetrating through the support 262, the plate spring 14 is arranged between the support 262 and the plate 264, the cylindrical body 23 is provided with a containing chamber 232 for containing the embedded cylinder seat 22 at equal intervals around a further center line, the number of the embedded cylinder seats 22 is the same as that of the embedded rod 24, the embedded cylinder seat 22 is provided with a connecting screw 10 for firmly clamping one end of a first monitoring wire, the second cover body 10 is provided with a second cable groove 102 corresponding to the embedded cylinder seat 22, and the embedded rod 24 and the embedded cylinder seat 22 are embedded and connected in a transition fit mode.

One end of the first monitoring lead is fixedly connected through the connecting screw rod, one end of the second monitoring lead is embedded on the embedding connecting rod through the flexibility of the plate spring, and the embedding connecting rod and the embedding cylinder seat are connected through embedding and are embedded in a transition fit mode to be connected.

The body 4 is provided with a ring-shaped opening 43, the closed ring 6 is assembled on the ring-shaped opening 43, and the ring-shaped cylindrical screw nut 5 with the inner screw opening on the inner wall is screwed between the first column member 42 with the outer screw opening on the outer wall and the second column member 44 with the outer screw opening on the outer wall.

Here, the closure ring serves for the tightness of the connection of the head of the terminal.

The first cover body 26 and the first column part 42 with the external screw thread opening on the outer wall are embedded in a transition fit mode, and the second cover body 10 and the column body 23 are embedded in a transition fit mode.

Thus, the scarf joint structure is convenient to disassemble, and the transition fit connection is stable.

The plate spring 14 is composed of a limiting part 252, a bending part 253 and a deformation part 254 which are integrally formed, the limiting part 252 is connected to a plate 264, the bending part 253 is connected to a groove 263, and the deformation part 254 is inserted into the hollow area I425 and connected with the scarf joint rod 24 and keeps elasticity.

Therefore, the limiting part of the plate spring is inserted into the second hollow area, and the limiting part is always firmly connected to the plate through the retractility of the blocking piece and the body, so that the position of the plate spring is very firm, and the deformation part can be partially deformed in a telescopic manner, and the second monitoring lead is embedded and connected.

The retainer 252 has a stabilizer 2522 integrally formed by casting, the plate 264 has a stabilizer opening combined with the stabilizer 2522 in a transition fit manner, and the deformation 254 has a guide opening 2542 integrally formed by casting.

Like this, the stroke of leaf spring more can be retrained to the stabilizing part, lets spacing more accurate, reaches some guide effects when the bullport does benefit to the second monitoring wire and passes through, does benefit to the scarf joint of second monitoring wire.

The first cable groove 265 is provided with a cable splitting opening 267 which is communicated with the first cable groove.

Here, spy in the cable split mouth and advance the screwdriver, can let the leaf spring deformation appear, just so can let dismantling of first monitoring wire, go forward very high-efficiently.

The middle position of the first cover body 26 protrudes towards the inside of the first column part 42 with the outer screw opening on the outer wall to form a first cylindrical guide strip 266, the inner wall of the second annular column part 44 with the outer screw opening on the outer wall is provided with a first embedded port 426, the inner wall of the second column part 23 is provided with a guide block 442, the column body 23 is provided with a guide opening 235 opposite to the guide block 442, the middle position of the second cover body 10 protrudes towards the inside of the column body 23 to form a second cylindrical guide strip 104, and the column body 23 is provided with a second matched embedded port 233.

The cylindrical body 23 is also provided with a cylindrical protruding part 234, and the second cover body 10 is provided with a notch 103 opposite to the protruding part 234; the connector lug also comprises a ring-column-shaped hoop 7 with an inner screw opening and a nut 2 for clamping, wherein the inner wall of the connector lug in threaded connection with the body 4 is provided with the ring-column-shaped hoop 7 with the inner screw opening, the hoop 7 with the inner screw opening is connected with a second column piece 44 with an outer screw opening on the outer wall, and the nut 2 for clamping is connected with a first column piece 42 with the outer screw opening on the outer wall and is provided with a sealing block 3.

Thus, the cylindrical hoop with the internal thread opening on the inner wall is in threaded connection with the body, so that the stroke of the cylindrical body 23 in the direction of the central line of the body is restricted, and the connection is stable.

The hoop 7 with the inner screw opening on the inner wall is provided with a hook 72 made of beryllium copper material and a ring column-shaped sleeve 8, wherein the hook 72 can gather the monitoring lead, and a nut 9 for clamping is screwed on the hoop 7 with the inner screw opening on the inner wall.

The existing wiring method of the first monitoring lead and the second monitoring lead at two ends of the connector lug is only one type, one end of the connector lug stabilizes the first monitoring lead through a wiring screw rod, the connection is stable, the other end of the connector lug is embedded through a plate spring and has elasticity, the connector lug is convenient to disassemble, reasonable in structure and low in construction cost, is suitable for a plurality of specific assembly environments, and meets the requirements of users.

Construction of the connector lug: the embedding rod is placed in the first hollow area, namely the connected wall surface of the embedding rod and the plate spring is farther away from the blocking piece, the plate spring is placed on the plate and the support, the first cover body is embedded on the first column part with the outer screw opening on the outer wall of the body, the first guide strip achieves the effects of guiding and limiting, the embedding cylinder seat is placed in the accommodating chamber of the column body, the second cover body is embedded on the column body, the second guide strip achieves the effects of guiding and limiting, then the column body is extruded towards the second column part with the outer screw opening on the outer wall of the body, the guide block and the guide opening achieve the effect of guiding each other, and the embedding rod and the embedding cylinder seat are embedded and connected with each other.

Connecting the connector lug: the first monitoring lead sequentially penetrates through a nut for clamping, the ring column-shaped external member and a hoop with an inner screw opening on the inner wall are inserted into the embedding cylinder seat through a cable groove II, the first monitoring lead is fixedly connected with the embedding cylinder seat through a connecting screw rod, the hoop with the inner screw opening on the inner wall and the body are screwed and installed to further restrict the stroke of the column-shaped body and the body in the opposite central line direction, then the nut for clamping is screwed and installed on the hoop with the inner screw opening on the inner wall to achieve the sealing effect, the second monitoring lead passes through the cable groove I to the end, a screwdriver is inserted through a cable splitting opening to enable the deformation part of the plate spring to be in telescopic deformation, the second monitoring lead is inserted between the plate spring and the embedding rod, the guide hole achieves the guiding effect, and then the body is clamped through the nut for clamping.

Having thus described the present invention by way of example, it will be appreciated by those skilled in the art that the present disclosure is not limited to the embodiments described above, and that various changes, modifications and substitutions may be made without departing from the scope of the present invention.

Claims

1. A power cable monitoring anti-theft system is characterized by comprising a first monitoring lead and a second monitoring lead which are arranged in a cable, wherein one end of the first monitoring lead is in short circuit with one end of the second monitoring lead;

the structure of first monitoring wire one end and second monitoring wire one end short circuit includes: one end of the first monitoring lead and one end of the second monitoring lead are in short circuit through a connector lug made of metal materials, the connector lug comprises a body of a first column piece with an outer screw hole on the outer wall and a second column piece with an outer screw hole on the outer wall, a column body embedded in the second column piece with the outer screw hole on the outer wall, a first cover body used for sealing the first column piece with the outer screw hole on the outer wall and a second cover body used for sealing the second column piece, the first column piece with the outer screw hole on the outer wall surrounds further core wires and is provided with openings with a number which is higher than two at equal intervals, the openings are divided into a first dead zone and a second dead zone through a blocking sheet, an embedding rod is accommodated in the first dead zone, a plate piece which is provided with the outer screw hole on the outer wall and protrudes towards the first column piece with the outer screw hole on the outer wall to form a plate piece which can be detected into the second hollow zone and a support which can be detected into the first hollow zone, a groove is arranged between the support and the first cover body and the first cable groove, the plate spring is arranged between the support and the plate, the cylindrical body is provided with accommodating chambers for accommodating the embedding cylinder seats at equal intervals around a further center line, the number of the embedding cylinder seats is the same as that of the embedding rods, the embedding cylinder seats are provided with connecting line screw rods for firmly clamping one end of the first monitoring lead, the cover body II is provided with cable grooves II corresponding to the embedding cylinder seats, and the embedding rods are connected with the embedding cylinder seats through embedding.

2. The power cable monitoring anti-theft system according to claim 1, wherein the body has a ring-shaped opening therein, the closed ring is fitted over the ring-shaped opening, and a ring-shaped cylindrical screw nut having an inner screw opening on an inner wall thereof is screwed between a first column member having an outer screw opening on an outer wall thereof and a second column member having an outer screw opening on an outer wall thereof.

3. The power cable monitoring and theft-prevention system according to claim 1, wherein the first cover body and the first column member having an external screw thread formed on an outer wall thereof are engaged in a transition fit manner, and the second cover body and the column member are engaged in a transition fit manner.

4. The power cable monitoring and theft-prevention system according to claim 1, wherein the plate spring is formed by integrally forming a stopper portion connected to the plate, a bent portion connected to the channel, and a deformation portion which is inserted into the hollow space and connected to the scarf joint rod and maintains elasticity.

5. A power cable monitoring and theft prevention system as claimed in claim 4, wherein the stopper portion has a stabilizer integrally formed by casting, and the plate member has a stabilizer mouth formed therein for engagement with the stabilizer in a transition fit manner, and the deformation portion has a guide hole integrally formed by casting.

6. A power cable monitoring and theft prevention system according to claim 4, wherein a cable slot has a cable detachment opening communicating therewith.

7. A power cable monitoring and anti-theft system according to claim 4, characterized in that the central position of the first cover body protrudes inward of the first column member with the external screw opening on the outer wall to form a first cylindrical guide strip, the first column member with the external screw opening on the outer wall of the Sovix fox is provided with a first embedded port, the inner wall of the second annular column member with the external screw opening on the outer wall is provided with a guide block, the column body is provided with a guide opening opposite to the guide block, the central position of the second cover body protrudes inward of the column body to form a second cylindrical guide strip, and the column body is provided with a second embedded port which is matched with the guide block.

8. The power cable monitoring and theft-prevention system according to claim 4, wherein the first cover body has a cylindrical body formed by a protrusion formed in the first cylindrical body and having an outer screw hole formed in an outer wall thereof, and a cylindrical protrusion formed in the cylindrical body, and the second cover body has a notch formed therein opposite to the protrusion; the connector lug also comprises a ring-column-shaped hoop with an inner screw opening and a nut for clamping firmly, wherein the inner wall in threaded connection with the body is provided with the ring-column-shaped hoop with the inner screw opening, the hoop with the inner screw opening on the inner wall is connected with a column member two with an outer screw opening on the outer wall, and the nut for clamping firmly is connected with a column member one with the outer screw opening on the outer wall and is provided with a sealing block.

9. A power cable monitoring and theft-proof system according to claim 4, characterized in that the hoop having the female screw on the inner wall is provided with a hook member made of beryllium copper material capable of gathering the monitoring wire and a loop column-shaped sleeve member, and a nut for clinching is screwed on the hoop having the female screw on the inner wall.