CN106207903A - Electric power cable connects equipment - Google Patents

Abstract

The invention discloses a power cable connection device, which comprises a shell and a bottom plate; bolt holes are arranged at the four corners of the top surface of the shell; a positioning joint a is installed near one side of the front of the shell; Cable connection hole; the bottom surface of the shell is provided with a bottom plate; the rear side of the cable connection hole is connected with a cable connection groove; the central position of the cable connection groove is provided with a cable connection connection fixing device; one end of the cable connection connection fixing device is connected with an air switch; The bottom surface of the switch is in contact with the top surface of the bottom plate; a digital ammeter is installed near a corner of the top surface of the bottom plate; a digital signal processing device is installed on the lower side of the digital ammeter; an error correction coding module is installed on the lower side of the digital signal processing device; The invention adopts a digital signal wireless transmission device, which can wirelessly transmit the current at the connection point to the control room, and can remotely control the on-off of the cable connection, which is beneficial to the control of the cable connection.

Description

Power cable connection equipment

technical field

The invention relates to the technical field of power connection equipment, in particular to power cable connection equipment.

Background technique

Power cables are cables used to transmit and distribute electric energy. Power cables are often used in urban underground power grids, outgoing lines of power stations, internal power supply of industrial and mining enterprises, and underwater transmission lines across rivers and seas. In power lines, the proportion of cables is gradually increasing. Power cable is a cable product used to transmit and distribute high-power electric energy in the main line of the power system, including various voltage levels of 1-500KV and above, and various insulated power cables; according to the voltage level, it can be divided into medium and low voltage power. Cables (35 kV and below), high-voltage cables (above 110 kV), extra-high voltage cables (275-800 kV) and UHV cables (1000 kV and above). In addition, it can also be divided into AC cables and DC cables according to the current system; the continuous and rapid growth of China's economy has provided a huge market space for cable products, and the strong temptation of the Chinese market has made the world focus on the Chinese market. In just a few decades of reform and opening up, the huge production capacity formed by China's cable manufacturing industry has impressed the world.

At present, the connection of power cables is not easy to fix, and there is no voltage comparison device before and after, so we need a new cable connection device.

Contents of the invention

The purpose of the present invention is to provide a power cable connection device to solve the problems raised in the background art above.

In order to achieve the above object, the present invention provides the following technical solutions: power cable connection equipment, including a casing and a bottom plate; bolt holes are provided at the four corners of the top surface of the casing; the front of the casing is installed near one side There is a positioning joint a; the central position of the back of the positioning joint a has a cable connection hole; the bottom surface of the shell is provided with a bottom plate; the rear side of the cable connection hole is connected with a cable connection slot; the cable The central position of the connection groove is provided with a cable connection fixing device; one end of the cable connection connection fixing device is connected to an air switch; the bottom surface of the air switch is in contact with the top surface of the bottom plate; the top surface of the bottom plate is close to a A digital ammeter is installed at the corner; a digital signal processing device is arranged on the underside of the digital ammeter; an error correction coding module is arranged on the underside of the digital signal processing device.

Preferably, the diameters of the four bolt holes are the same; bolts are installed inside the bolt holes; and the depths of the four bolt holes are the same.

Preferably, the cable connection hole passes through the front of the housing and the back of the housing along the axis; the position of the back of the housing facing the positioning joint a is installed with a positioning joint b.

Preferably, a software radio module is installed on one side of the digital ammeter; a digital modulation module is installed on the lower side of the software radio module; the bottom surface of the digital modulation module is connected to the top surface of the bottom plate.

Preferably, one side of the error correction encoding module is provided with a radio transmitting module; the bottom surface of the radio transmitting module is connected to the shell through bolts; the lower side of the radio transmitting module is installed with a radio receiving module.

Preferably, a coherent demodulation module is installed on the other side of the software radio module; a surge protector is provided on the lower side of the coherent demodulation module; a PLC is provided on the lower side of the surge protector controller.

Preferably, a virterbi decoder is installed on the lower side of the PLC controller; the bottom surface of the virterbi decoder is bonded to the bottom plate; the inner surface of the virterbi decoder is close to the front of the shell.

Preferably, one end of the cable connection groove is connected to the positioning joint a; the other end of the cable connection groove is connected to the positioning joint b.

Compared with the prior art, the beneficial effect of the present invention is: the present invention adopts the cable connecting groove, the two ends of the cable connecting groove are respectively connected with the positioning joint a and the positioning joint b, the cable connecting groove is arc-shaped, the cable connecting groove and the The arc side of the power cable fits together, which is convenient for the connection and positioning of the power cable, and the center of the cable connection groove is equipped with a cable connection connection fixing device, which can be fixed when two sections of power cables are connected to prevent the cables from falling off during the connection process; A digital ammeter is used, and the digital ammeter can measure the current at the cable joint. The digital ammeter converts the current into digital data, and transmits the digital data to the digital signal processing device. The digital signal processing device is encoded by the error correction coding module, and the data is encoded through the software radio. The radio transmission module of the module transmits data to realize wireless long-distance transmission of data. The radio reception module of the software radio module receives the control signal, demodulates it through the coherent demodulation module, and decodes it with a virterbi decoder, and transmits the decoded data to For the PLC controller, the PLC controller can control the on-off of the air switch. The air switch not only disconnects the cable connection when the current is too large, but also is controlled by the PLC controller to realize the remote detection and control of the power cable by the device.

Description of drawings

Fig. 1 is a schematic diagram of the internal structure of the present invention;

Fig. 2 is a perspective view of the present invention.

In the figure: 1. Shell; 2. Bolt hole; 3. Positioning connector a; 4. Cable connection hole; 5. Cable connection connection fixing device; 6. Cable connection groove; 7. Digital ammeter; 8. Digital signal processing device; 9. Error correction coding module; 10. Software radio module; 11. Digital modulation module; 12. Radio transmission module; 13. Radio receiving module; 14. Coherent demodulation module; 15. PLC controller; 16. Virterbi decoder ; 17, surge protector; 18, air switch; 19, positioning connector b; 20, bottom plate.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-2, the present invention provides a technical solution: including a housing 1 and a bottom plate 20; bolt holes 2 are provided at the four corners of the top surface of the housing 1; the front of the housing 1 is close to one side A positioning joint a3 is installed at the position; a cable connection hole 4 is opened at the center of the back of the positioning joint a3; a bottom plate 20 is provided on the bottom surface of the housing 1; Slot 6; the central position of the cable connection groove 6 is provided with a cable connection fixing device 5; one end of the cable connection connection fixing device 5 is connected with an air switch 18; the bottom surface of the air switch 18 is connected to the bottom plate 20 The top surface of the base plate 20 is in contact with the top surface; a digital ammeter 7 is installed near a corner on the top surface of the base plate 20; a digital signal processing device 8 is arranged on the lower side of the digital ammeter 7; An error correction coding module 9 is provided on the side; the four bolt holes 2 have the same diameter; bolts are installed inside the bolt holes 2; the depths of the four bolt holes 2 are the same; the cable wiring holes 4 Pass through the front of the housing 1 and the back of the housing 1 along the axis; the positioning joint b19 is installed at the position opposite to the positioning joint a3 on the back of the housing 1; the software radio module 10 is installed on one side of the digital ammeter 7 The lower side of the software radio module 10 is provided with a digital modulation module 11; the bottom surface of the digital modulation module 11 is connected with the top surface of the base plate 20; one side of the error correction coding module 9 is provided with a radio transmitter Module 12; the bottom surface of the radio transmission module 12 is connected with the shell 1 by bolts; the radio reception module 13 is installed on the lower side of the radio transmission module 12; the other side of the software radio module 10 is installed with Coherent demodulation module 14; The underside of described coherent demodulation module 14 is provided with surge protector 17; The underside of described surge protector 17 is provided with PLC controller 15; Described PLC controller 15 The underside of the virterbi decoder 16 is installed; the bottom surface of the virterbi decoder 16 is bonded to the bottom plate 20; the inner surface of the virterbi decoder 16 is close to the front of the shell 1; the cable connection groove 6 One end of the cable is connected to the positioning joint a3; the other end of the cable connection groove 6 is connected to the positioning joint b19.

When the present invention is actually implemented, the two ends of the cable connection groove 6 are respectively connected with a positioning joint a3 and a positioning joint b19, the cable connection groove 6 is arc-shaped, and the cable connection groove 6 fits with the arc side of the power cable, which is convenient for power Cable connection positioning, and the central position of the cable connection groove 6 is provided with a cable connection connection fixing device 5, which can be fixed when two sections of power cables are connected to prevent the cables from falling off during the connection process; the digital ammeter 7 can measure the current at the cable joint. Current, the digital ammeter 7 forms the current into digital data, and transmits the digital data to the digital signal processing device 8, the digital signal processing device 8 is coded by the error correction coding module 9, and the data is coded and transmitted by the radio transmission module 12 of the software radio module 10 Data, to realize wireless long-distance transmission of data, the radio receiving module 13 of the software radio module 10 receives the control signal, demodulates through the coherent demodulation module 14, and the virterbi decoder 16 performs decoding, and transmits the decoded data to the PLC The controller 15, the PLC controller 15 can control the on-off of the air switch 18, the air switch 18 not only disconnects the cable connection when the current is too large, but also is controlled by the PLC controller 15 to realize the remote detection and control of the device to the power cable .

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (8)

1. Power cable connection equipment, characterized in that: it includes a casing (1) and a bottom plate (20); the four corners of the top surface of the casing (1) are provided with bolt holes (2); the casing ( 1) A positioning connector a (3) is installed near one side of the front; a cable connection hole (4) is opened in the center of the back of the positioning connector a (3); the bottom surface of the housing (1) is provided with The bottom plate (20); the rear side of the cable connection hole (4) is connected with a cable connection groove (6); the central position of the cable connection groove (6) is provided with a cable connection connection fixing device (5); the One end of the cable connection fixing device (5) is connected with an air switch (18); the bottom surface of the air switch (18) is in contact with the top surface of the base plate (20); the top surface of the base plate (20) is close to A digital ammeter (7) is installed at a corner; a digital signal processing device (8) is provided on the underside of the digital ammeter (7); an error correction device (8) is provided on the underside of the digital signal processing device (8). Encoding module (9). 2. The power cable connection device according to claim 1, characterized in that: the four bolt holes (2) have the same diameter; bolts are installed inside the bolt holes (2); The depth of each bolt hole (2) is the same. 3. The power cable connection device according to claim 1, characterized in that: the cable connection hole (4) passes through the front of the casing (1) and the back of the casing (1) along the axis; (1) Positioning joint b (19) is installed at the position facing the positioning joint a (3) on the back. 4. The power cable connection device according to claim 1, characterized in that: a software radio module (10) is installed on one side of the digital ammeter (7); the bottom of the software radio module (10) A digital modulation module (11) is arranged on the side; the bottom surface of the digital modulation module (11) is connected with the top surface of the bottom plate (20). 5. The power cable connection device according to claim 1, characterized in that: one side of the error correction coding module (9) is provided with a radio transmission module (12); the radio transmission module (12) The bottom surface of the bottom surface is connected with the shell (1) through bolts; the radio receiving module (13) is installed on the lower side of the radio transmitting module (12). 6. The power cable connection device according to claim 4, characterized in that: a coherent demodulation module (14) is installed on the other side of the software radio module (10); the coherent demodulation module ( 14) is provided with a surge protector (17); the underside of the surge protector (17) is provided with a PLC controller (15). 7. The power cable connection device according to claim 6, characterized in that: a virterbi decoder (16) is installed on the lower side of the PLC controller (15); the virterbi decoder (16) ) is bonded to the base plate (20); the virterbi decoder (16) is close to the inner surface of the front of the shell (1). 8. The power cable connection device according to claim 1 or 3, characterized in that: one end of the cable connection groove (6) is connected to the positioning joint a (3); the cable connection groove (6) ) is connected to the positioning joint b (19).