CN112003182A - Intelligent grounding system applied to high-voltage cable - Google Patents

Abstract

The invention relates to an intelligent grounding system applied to high-voltage cables, comprising a bracket, a plurality of pillar magnetic bottles are arranged on the upper end of the bracket, and electrical terminals are arranged on the pillar magnetic bottles, and the bracket is located on the pillar magnetic bottle. The bottom of the bottle is provided with a grounding plate, the grounding plate is provided with a first grounding block and a second grounding block, and a first power-connecting block is connected between the first grounding block and the pillar magnetic bottle. A second power connection block is connected between the second ground block and the pillar magnetic bottle. A second grounding switch for realizing the electrical connection between the second power connection block and the second grounding block is provided on the bracket, and an electric mechanism for driving or closing the first grounding switch and the second grounding switch is provided on the bracket. The invention realizes the intelligent grounding operation of the high-voltage cable, and the entire control process is mechanically controlled, thereby effectively improving the stability of the grounding connection control.

Description

Intelligent grounding system for high voltage cables

technical field

The invention relates to the technical field of power equipment, in particular to an intelligent grounding system applied to high-voltage cables.

Background technique

High-voltage cables have replaced overhead lines and become the first choice for power grids in urban core areas. Reasonable grounding of the metal sheath of high-voltage cables is the guarantee of their safe operation. High-voltage cables are beautiful, reliable, and land-saving, and meet the development needs of urban power grids. They have basically replaced overhead lines in major cities in my country and become the first choice for power grids in urban core areas. The high-voltage cable sheath grounding wire and grounding current online detection system is an important part of building a smart grid. Most existing grounding systems for high-voltage cables are controlled by electrical components or electronic control components, which have poor stability and low safety. Therefore, it is urgent to develop an intelligent grounding system applied to high-voltage cables to solve the problems in the prior art.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an intelligent grounding system applied to high-voltage cables to solve the problems raised in the above background art.

To achieve the above object, the present invention provides the following technical solutions:

An intelligent grounding system applied to high-voltage cables, including a bracket, a plurality of pillar magnetic bottles are arranged on the upper end of the bracket, and electrical terminals are provided on the pillar magnetic bottles, and the bracket is located below the pillar magnetic bottle There is a grounding plate, the grounding plate is provided with a first grounding block and a second grounding block, a first power-connecting block is connected between the first grounding block and the pillar magnetic bottle, and the second grounding block is connected. A second electrical connection block is connected between the land block and the pillar magnetic bottle, the grounding plate is provided with a first grounding switch that realizes the electrical connection between the first electrical connection block and the first grounding block, and the grounding plate is provided with A second grounding switch for realizing the electrical connection between the second electrical connection block and the second grounding block is provided on the bracket, and an electric mechanism for driving or closing the first grounding switch and the second grounding switch is arranged on the bracket.

Preferably, the first grounding switch is provided with a main-knife linkage link, and an end of the main-knife linkage link away from the first grounding switch is connected with a main-knife vertical link, and the main-knife vertical link is drive-connected to the motor mechanism.

Preferably, a ground knife linkage connecting rod is connected to the second grounding switch, and a ground knife vertical connecting rod is connected to an end of the grounding knife linkage connecting rod away from the second grounding switch, the first grounding switch and the second grounding switch are connected A single-phase linkage connecting rod, a three-phase horizontal connecting rod for the main knife and a three-phase horizontal connecting rod for the ground knife are connected between the switches.

Preferably, universal joints are connected between the main knife linkage connecting rod and the main knife vertical connecting rod and between the ground knife linkage connecting rod and the ground knife vertical connecting rod.

Preferably, one side of the bracket is provided with a mounting frame, and the mounting frame is provided with a guide sleeve for the vertical connecting rod of the main knife and the vertical connecting rod of the ground knife to pass through.

Preferably, the guide sleeve is provided with an installation cavity, the installation cavity is provided with a mounting plate, the installation plate is provided with a rotating shaft, and the outer circumference of the rotating shaft is provided with a guide wheel.

Preferably, a rubber buffer sleeve is sleeved on the outer circumference of the guide wheel.

Preferably, a first piston is provided at the bottom of the mounting cavity, a piston shaft is provided on a side of the first piston close to the mounting plate, a second piston is provided on a side of the piston shaft close to the mounting plate, and the first piston is provided with a piston shaft on a side close to the mounting plate. Two pistons are fixed on the mounting plate, a spring is arranged between the first piston and the second piston, and the spring is sleeved on the outer circumference of the piston shaft.

Preferably, both the first grounding block and the second grounding block include a movable sleeve and a conductive rod extending through the movable sleeve, the conductive rods are respectively electrically connected to the grounding plate and the pillar magnetic bottle, and the movable tube is provided with a movable sleeve. The conductive rod forms a slot in the movable cavity, the movable tube is provided with a movable shaft that is inserted into the movable cavity, and the side of the movable shaft close to the conductive rod is provided with a socket that can be inserted into the slot. Conductive plug-in board, when the conductive plug-in board is inserted into the slot, the conductive plug-in board is arranged in contact with the conductive rod, the end of the movable shaft away from the conductive rod is provided with a force-bearing plate, and the force-bearing plate is provided with a buffer plate.

Preferably, the inner wall of the movable tube is provided with a guide groove, and the outer periphery of the movable shaft is provided with a guide rib that moves along the guide groove.

Compared with the prior art, the beneficial effects of the present invention are: when in use, the first grounding switch and the second grounding switch are driven to open or close by the electric mechanism, and the first grounding switch and the second grounding switch are opened or closed to realize the first grounding switch. A first grounding switch electrically connected to the first grounding block, and a second grounding switch electrically connected to the second electrical connection block and the second grounding block, thus realize the electric drive control of grounding, and the motor mechanism It can be controlled by a remote control center through a computer, which realizes the intelligent grounding operation of the high-voltage cable. The entire control process is mechanically controlled, thereby effectively improving the stability of the grounding connection control.

Other features and advantages of the present invention will be disclosed in detail in the following detailed description and accompanying drawings.

Description of drawings

1 is a top view of an intelligent grounding system applied to a high-voltage cable according to the present invention;

2 is a front view of the intelligent grounding system applied to high-voltage cables according to the present invention;

3 is a side view of the intelligent grounding system applied to high-voltage cables according to the present invention;

4 is a cross-sectional view of a guide bushing in an intelligent grounding system applied to a high-voltage cable according to the present invention;

5 is a cross-sectional view of the first power connection block or the second power connection block in the intelligent grounding system applied to the high-voltage cable according to the present invention.

In the picture: 1. Pillar magnetic bottle; 2. Universal joint; 3. Main tool vertical link; 4. Ground tool vertical link; 5. Electric mechanism; 6. Single-phase linkage link; 7. Main tool linkage link ;8. Main tool three-phase horizontal connecting rod; 9. Ground knife linkage connecting rod; 10. Ground knife three-phase horizontal connecting rod; 11. Bracket; 12. Power connection terminal; 13. First grounding switch; 14. Second grounding switch; 15, the first ground block; 16, the second ground block; 17, the ground plate; 18, the guide sleeve; 19, the installation cavity; 20, the first piston; 21, the piston shaft; 22, the spring; 23 , the second piston; 24, the mounting plate; 25, the shaft; 26, the guide wheel; 27, the rubber buffer sleeve; 28, the first power connection block; 29, the second power connection block; 30, the mounting frame; 32, stress plate; 33, buffer plate; 34, movable tube; 35, guide groove; 36, conductive insert plate; 37, movable cavity; 38, guide rib; 39, conductive rod; 40, slot.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Referring to FIGS. 1 to 5 , in an embodiment of the present invention, an intelligent grounding system applied to a high-voltage cable includes a bracket 11 . The upper end of the bracket 11 is provided with a plurality of pillar magnetic bottles 1 , and the pillar magnetic bottles 1 are There is an electrical connection terminal 12, a grounding plate 17 is arranged on the bracket 11 and located below the column magnetic bottle 1, and a first grounding block 15 and a second grounding block 16 are arranged on the grounding plate 17. A first power connection block 28 is connected between the first ground block 15 and the pillar magnetic bottle 1 , a second power connection block 29 is connected between the second ground block 16 and the pillar magnetic bottle 1 , and the ground plate 17 is provided with a first grounding switch 13 that realizes the electrical connection between the first power connection block 28 and the first grounding block 15, and the grounding plate 17 is provided with a second power connection block 29 and the second grounding block 16. The second grounding switch 14 is connected, and the bracket 11 is provided with a motor mechanism 5 that drives the first grounding switch 13 and the second grounding switch 14 or closes them. When in use, the first grounding switch 13 and the second grounding switch 14 are driven by the motor mechanism 5 to open or close, and the first grounding switch 13 and the second grounding switch 14 are opened or closed to realize the first connection block 28 and the first connection. The first grounding switch 13 that is electrically connected to the ground block 15, and the second grounding switch 14 that is electrically connected to the second grounding block 29 and the second grounding block 16, thus realize the electric drive control of grounding, and the motor mechanism can be remotely controlled. The control center is controlled by a computer, which realizes the intelligent grounding operation of the high-voltage cable. The entire control process is mechanically controlled, which effectively improves the stability of the grounding connection control.

In this embodiment, the first grounding switch 13 is provided with a main knife linkage link 7 , and one end of the main knife linkage link 7 away from the first grounding switch 13 is connected with a main knife vertical linkage, the main knife vertical linkage It is connected to the motor mechanism 5 for transmission. The main knife linkage link 7 is provided on the first grounding switch 13, the end of the main knife linkage link 7 away from the first grounding switch 13 is connected with the main knife vertical connecting rod 3, and the main knife vertical connecting rod 3 is connected with the motor mechanism 5 in a transmission manner, and is connected by the main knife. The motor mechanism 5 drives the main tool vertical link 3 and the ground tool vertical link 4 to move, and the ground tool linkage link 9 and the main tool linkage link 7 are driven by the movement of the main tool vertical link 3 and the ground tool vertical link 4 to move. The first ground switch 13 and the second ground switch 14 are turned on or off, which facilitates the control of ground connection or disconnection.

In this embodiment, a ground knife linkage link 9 is connected to the second grounding switch 14 , and a ground knife vertical link 4 is connected to the end of the ground knife linkage link 9 away from the second grounding switch 14 . Between the first grounding switch 13 and the second grounding switch 14 are connected a single-phase linkage link 6 , a main tool three-phase horizontal link 8 and a ground tool three-phase horizontal link 10 . The ground knife linkage connecting rod 9 is connected to the second grounding switch 14, and the ground knife vertical connecting rod 4 is connected to the end of the ground knife linkage connecting rod 9 away from the second grounding switch 14. The first grounding switch 13 and the second grounding switch A single-phase linkage link 6 and a main tool three-phase horizontal link 8 are connected between 14, which facilitates the opening or closing of the first grounding switch 13 and the second grounding switch 14.

In this embodiment, universal joints 2 are connected between the main knife linkage connecting rod 7 and the main knife vertical connecting rod 3 and the ground knife linkage connecting rod 9 and the ground knife vertical connecting rod 4 . By arranging the universal joint 2, the rotation stability between the main knife linkage link 7 and the main knife vertical link 3, and the rotation stability between the ground knife linkage link 9 and the ground knife vertical link 4 can be improved.

In this embodiment, one side of the bracket 11 is provided with a mounting frame 30 , and the mounting frame 30 is provided with a guide sleeve 18 through which the vertical connecting rod 3 of the main knife and the vertical connecting rod 4 of the ground knife pass through. The guide sleeve 18 realizes the limit and guide of the vertical connecting rod 3 of the main knife and the vertical connecting rod 4 of the ground knife, which improves the movement stability of the vertical connecting rod 3 of the main knife and the vertical connecting rod 4 of the ground knife.

In this embodiment, the guide sleeve 18 is provided with an installation cavity 19, the installation cavity 19 is provided with an installation plate 24, the installation plate 24 is provided with a rotating shaft 25, and the outer circumference of the rotating shaft 25 is provided with a rotating shaft 25. Guide wheel 26. The installation cavity 19 is arranged in the guide sleeve 18, the installation plate 24 is arranged in the installation cavity 19, the rotation shaft 25 is arranged on the installation plate 24, the outer shaft 25 is connected to the guide wheel 26, and the guide wheel 26 is arranged, so that the vertical connection of the ground knife is realized. The limit guide for the movement of the rod 4 and the vertical connecting rod 3 of the main knife improves the stability of the movement of the vertical connecting rod 4 of the ground knife and the vertical connecting rod 3 of the main knife.

In this embodiment, the outer circumference of the guide wheel 26 is sleeved with a rubber buffer sleeve 27 . The rubber buffer sleeve 27 is sleeved on the outer circumference of the guide wheel 26, and the rubber buffer sleeve 27 is arranged to realize shock absorption and buffering, and improve the movement stability of the ground knife vertical link 4 and the main knife vertical link 3.

In this embodiment, a first piston 20 is provided at the inner bottom of the mounting cavity 19 , a piston shaft 21 is provided on the side of the first piston 20 close to the mounting plate 24 , and the piston shaft 21 is close to a side of the mounting plate 24 . The side is provided with a second piston 23, the second piston 23 is fixed on the mounting plate 24, a spring 22 is provided between the first piston 20 and the second piston 23, and the spring 22 is sleeved on the piston shaft 21. peripheral. By arranging the first piston 20 , the piston shaft 21 and the second piston 23 at the bottom of the installation cavity 19 , the piston shaft 21 can be extended and retracted in the first piston 20 and the second piston 23 , so that the guide wheel 26 can be extended and retracted in the horizontal direction, and the guide wheel The expansion and contraction of 26 facilitates the guidance of the movement of the main tool vertical link 3 and the ground tool vertical link 4, improves the stability of the main tool vertical link 3 and the ground tool vertical link 4, and improves the ground connection and disconnection operations. stability.

In this embodiment, the first grounding block 15 and the second grounding block 16 each include a movable sleeve and a conductive rod 39 penetrating the movable sleeve, and the conductive rod 39 is electrically connected to the grounding plate 17 and the pillar magnetic bottle 1 respectively. The movable tube 34 is provided with a movable cavity 37, the conductive rod 39 forms a slot 40 in the movable cavity 37, and the movable tube 34 is provided with a movable shaft 31 inserted into the movable cavity 37, so The side of the movable shaft 31 close to the conductive rod 39 is provided with a conductive plug-in board 36 that can be plugged into the slot 40. When the conductive plug-in board 36 is plugged into the socket 40, the conductive plug-in board 36 and the conductive rod 39 In the contact setting, the end of the movable shaft 31 away from the conductive rod 39 is provided with a force bearing plate 32 , and a buffer plate 33 is arranged on the force bearing plate 32 . The opening or closing of the first grounding switch 13 and the second grounding switch 14 realizes applying force to the buffer plate 33, the buffer plate 33 drives the force receiving plate 32 to realize the movement of the movable shaft 31 along the movable cavity 37, and the conductive plug 36 is inserted into the conductive plate 33. In the slot 40 between the rods 39, the conductive insert 36 is connected to the conductive rod 39 to realize grounding, which improves the stability of ground connection or disconnection.

In this embodiment, the inner wall of the movable tube 34 is provided with a guide groove 35 , and the outer circumference of the movable shaft 31 is provided with a guide rib 38 movable along the guide groove 35 . The guide groove 35 is provided on the inner wall of the movable tube 34, and the guide rib 38 is provided on the outer periphery of the movable shaft 31 to move along the guide groove 35, which can effectively improve the movement stability of the movable shaft 31 and improve the stability of ground connection or disconnection.

understandably,

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and range of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (10)

1. The utility model provides an intelligence ground system for high tension cable, a serial communication port, which comprises a bracket, the support upper end is equipped with a plurality of pillar magnetism bottle, all be equipped with the electrical connection terminal on the pillar magnetism bottle, the below that just is located the pillar magnetism bottle on the support is equipped with the ground plate, be equipped with first grounding piece and second grounding piece on the ground plate, be connected with first grounding piece between first grounding piece and the pillar magnetism bottle, be connected with the second grounding piece between second grounding piece and the pillar magnetism bottle, be equipped with the first ground switch that realizes first grounding piece and first grounding piece electricity and be connected on the ground plate, be equipped with the second ground switch that realizes second grounding piece and second grounding piece electricity and be connected on the ground plate, be equipped with the electronic mechanism of the first ground switch of drive and second ground switch or closing on the support.

2. The intelligent grounding system applied to the high-voltage cable according to claim 1, wherein the first grounding switch is provided with a main knife linkage connecting rod, one end of the main knife linkage connecting rod, which is far away from the first grounding switch, is connected with a main knife vertical connecting rod, and the main knife vertical connecting rod is in transmission connection with an electric mechanism.

3. The intelligent grounding system applied to the high-voltage cable according to claim 2, wherein a grounding knife linkage connecting rod is connected to the second grounding switch, a grounding knife vertical connecting rod is connected to one end of the grounding knife linkage connecting rod, which is far away from the second grounding switch, and a single-phase linkage connecting rod, a main knife three-phase horizontal connecting rod and a grounding knife three-phase horizontal connecting rod are connected between the first grounding switch and the second grounding switch.

4. The intelligent grounding system applied to the high-voltage cable as claimed in claim 2, wherein universal joints are connected between the main knife linkage connecting rod and the main knife vertical connecting rod and between the ground knife linkage connecting rod and the ground knife vertical connecting rod.

5. The intelligent grounding system applied to the high-voltage cable as claimed in claim 1, wherein a mounting frame is disposed on one side of the support, and a guide sleeve for the main knife vertical connecting rod and the ground knife vertical connecting rod to penetrate is disposed on the mounting frame.

6. The intelligent grounding system applied to high-voltage cables as claimed in claim 5, wherein a mounting cavity is arranged in the guide sleeve, a mounting plate is arranged in the mounting cavity, a rotating shaft is arranged on the mounting plate, and a guide wheel is arranged on the periphery of the rotating shaft.

7. The intelligent grounding system applied to the high-voltage cable according to claim 6, wherein a rubber buffer sleeve is sleeved on the periphery of the guide wheel.

8. The intelligent grounding system applied to the high-voltage cable is characterized in that a first piston is arranged at the bottom in the installation cavity, a piston shaft is arranged on one side, close to the installation plate, of the first piston, a second piston is arranged on one side, close to the installation plate, of the piston shaft, the second piston is fixed on the installation plate, a spring is arranged between the first piston and the second piston, and the spring is sleeved on the periphery of the piston shaft.

9. The intelligent grounding system applied to the high-voltage cable is characterized in that the first grounding block and the second grounding block respectively comprise a movable sleeve and a conductive rod penetrating through the movable sleeve, the conductive rod is respectively electrically connected with a grounding plate and a supporting column magnetic bottle, a movable cavity is arranged in the movable tube, the conductive rod forms a slot in the movable cavity, a movable shaft inserted in the movable cavity is arranged in the movable tube, a conductive inserting plate capable of being inserted in the slot is arranged on one side, close to the conductive rod, of the movable shaft, the conductive inserting plate is contacted with the conductive rod when the conductive inserting plate is inserted in the slot, a stress plate is arranged at one end, far away from the conductive rod, of the movable shaft, and a buffer plate is arranged on the stress plate.

10. The intelligent grounding system applied to high-voltage cables as claimed in claim 9, wherein the inner wall of the movable tube is provided with a guide groove, and the outer periphery of the movable shaft is provided with a guide rib moving along the guide groove.

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