CN108987202A - A kind of grid automation isolating device - Google Patents

Abstract

The invention relates to an automatic isolation device for a power grid, which includes an isolation device body, a utility pole and a mounting ring. The isolation device body includes an isolation box, a signal receiver, a signal transmitter, a controller, a rotating motor, a coupling, a connector, an insulating The sleeve, the first fixed contact and the moving contact. The lower end of the utility pole is fixedly connected to the tapered plunger. The upper end of the utility pole is provided with a circle of grooves. There are two mounting rings on the outside of the groove. The two mounting rings have two ports. The positions are all fixedly connected to the connecting block, and the two connecting blocks are provided with threaded holes, and one side of the threaded hole is provided with a fixing bolt, and the fixing bolt is threaded with the two connecting blocks through the threaded hole, and the two mounting rings are spliced to form a ring, and the ring The inner diameter of the pole is equal to the outer diameter of the groove on the utility pole. This device uses four fixed contacts and four moving contacts. The contact between the fixed contacts and the moving contacts can realize quick replacement of the circuit, thereby improving the overall adjustment of the device. efficiency.

Description

A power grid automation isolation device

technical field

The invention relates to the technical field of isolation equipment, in particular to an automatic isolation device for a power grid.

Background technique

In the new century, the status and role of the smart grid in the power distribution system are becoming more and more important, and it is an important part of the power distribution system. In the power system, the realization of the smart grid is to improve the reliability of the power supply system, improve the economic efficiency of the grid operation, and promote the operation efficiency, so as to realize the optimization and rational operation of the distribution network. At present, when mentioning the smart grid, people first think of the distribution network automation system. Feeder automation, as the key link of the current smart grid and grid automation system, has attracted widespread attention. However, due to the immature technology in this area in my country, there are still many deficiencies and hidden dangers. This paper analyzes and discusses the automatic finding and isolation of distribution network faults, so as to provide reference for peers.

The traditional grid isolation device is more cumbersome in the process of automatic adjustment, and the adjustment process in terms of fault handling and reclosing control is slow, causing unnecessary losses.

Contents of the invention

The purpose of the present invention is to provide a power grid automatic isolation device in order to solve the above problems, which solves the problem that the existing power grid isolation device is relatively cumbersome in the automatic adjustment process, and the adjustment of fault handling and reclosing control is slow, resulting in unnecessary The problem of loss.

In order to solve the above problems, the present invention provides a technical solution: a power grid automation isolation device, including an isolation device body, a utility pole and a mounting ring, and the isolation device body includes an isolation box, a signal receiver, a signal transmitter, a control device, rotating motor, coupling, connector, insulating sleeve, first fixed contact and moving contact, the lower end of the utility pole is fixedly connected to the tapered plunger, and the upper end of the utility pole is provided with a circle of grooves, so that There are two mounting rings on the outer side of the groove, and the two ports of the two mounting rings are fixedly connected to the connecting blocks. The two connecting blocks are provided with threaded holes, and one side of the threaded holes is provided with fixing bolts. The bolts are threadedly connected with the two connecting blocks through the threaded holes, and the two mounting rings are spliced to form a circular ring. The inner diameter of the circular ring is equal to the outer diameter of the groove on the utility pole. The upper ends of the two bases are fixed with isolation boxes, and both sides of the two isolation boxes are provided with drainage grooves. The interior of the isolation boxes is fixedly installed with a first mounting plate and a second mounting plate from top to bottom. A signal receiver is fixedly installed on the top of the first installation board, a signal transmitter is fixedly installed on the first installation board at one end of the signal receiver, and a controller is fixedly installed at the center of the upper end of the first installation board.

As a preference, a rotating motor is fixedly installed on the top of the second mounting plate, and the rotating motor is installed at the center position of the upper end of the second mounting plate, and the lower end of the rotating motor penetrates into the second mounting plate, and the lower end of the second mounting plate A protective shell is fixedly installed, and a coupling is installed on the upper surface of the inner cavity of the protective shell. The output end of the rotating motor is connected to the coupling through a drive shaft. The lower end of the coupling is provided with a connecting piece. There is a circular groove in the middle of the part, the output end of the coupling is connected to the driving shaft in rotation, the lower end of the driving shaft passes through the circular groove and is fixedly connected to the connecting piece, the center position of the lower end of the connecting piece is fixedly connected to the rotating shaft, and the connecting piece The lower end is located at the center of the upper end surface of the base, and a fixed block is fixedly installed. There is an empty slot inside the fixed block. The lower end of the rotating shaft is designed to match the empty slot. The connecting piece is rotationally connected with the fixed block through the rotating shaft. Four insulating sleeves are fixedly installed on the upper end of the base, and the four insulating sleeves are distributed in a cross shape. The upper ends of the four insulating sleeves are respectively fixedly installed with a first fixed contact, a second fixed contact, The third fixed contact and the fourth fixed contact, the first fixed contact, the second fixed contact, the third fixed contact and the fourth fixed contact are all provided with moving contacts on one side, and the connecting piece The surroundings are respectively fixedly connected to the moving contacts through the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod, and the four moving contacts are respectively connected to the first fixed contact, the second fixed contact, The third fixed contact is slidably connected to the fourth fixed contact.

As a preference, the lower ends of the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are fixedly connected to the annular chute, the upper end of the base is fixedly equipped with a ring-shaped sliding block, the first connecting rod, The second connecting rod, the third connecting rod and the fourth connecting rod are slidably connected with the annular slider through the annular chute. Two wiring holes are arranged on one side of the base, and the two wiring holes are about the longitudinal centerline axis of the base. Symmetrically distributed, the upper end of the connecting piece is provided with two secondary longitudinal lines and two secondary transverse lines, and the upper ends of the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are fixedly installed with a No.1 first-level line, No.2 first-level line, No.3 first-level line and No.4 first-level line, the two ports of the two second-level longitudinal lines are respectively connected with No.1 first-level line and No. The first-level horizontal lines are respectively connected with the first-level line No. 2 and the first-level line No. 4, and the ends of the first-level line No. A main wire is arranged in the two wiring holes, and one end of the main wire is respectively connected to the first fixed contact, the second fixed contact, the third fixed contact and the fourth fixed contact through the insulating sleeve.

Preferably, the model of the signal receiver is DMX512 wireless signal receiver, and the model of the signal transmitter is KYL-320M signal transmitter.

Preferably, the controller model is a STC89C52 microcontroller.

Preferably, the controller is electrically connected with the signal receiver, the signal transmitter and the rotating motor respectively.

Preferably, the insulating sleeve, the annular slider and the annular chute are all made of ceramic materials.

The beneficial effects of the present invention are:

The invention relates to a power grid automation isolation device, which has the characteristics of rapid adjustment. In specific use, compared with the traditional power grid automation isolation device, the device adopts four fixed contacts and four moving contacts. Through the contact between the fixed contact and the moving contact, the circuit can be quickly replaced, thereby improving the overall adjustment efficiency of the device.

Description of drawings:

For ease of illustration, the present invention is described in detail by the following specific implementations and accompanying drawings.

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

Fig. 2 is a schematic diagram of the internal structure of the isolation box of the present invention;

Fig. 3 is a schematic diagram of the top view of the connector of the present invention;

Fig. 4 is a schematic diagram of enlarged structure A of the present invention;

Fig. 5 is a structural schematic diagram of the control module of the present invention.

In the figure: 1. Isolation device body; 2. Telephone pole; 3. Insertion rod; 4. Groove; 5. Mounting ring; 6. Connection block; 7. Fixing bolt; 8. Base; 9. Isolation box; 10 , drain tank; 11, signal receiver; 12, signal transmitter; 13, first mounting plate; 14, second mounting plate; 15, controller; 16, rotating motor; 17, protective shell; 18, coupling ; 19, drive shaft; 20, driving shaft; 21, the first connecting rod; 22, the second connecting rod; 23, connector; 24, fixed block; 25, rotating shaft; Slot; 28, wiring hole; 29, insulating sleeve; 30, first fixed contact; 31, moving contact; 32, second fixed contact; 33, third fixed contact; 34, fourth fixed contact ; 35. Secondary longitudinal line; 36. Secondary horizontal line; 37. Third connecting rod; 38. Fourth connecting rod; 39. No. 1 first-class line; 40. No. 2 first-class line; Level line; 42, No. 4 level line.

Detailed ways:

As shown in Figures 1-5, this specific embodiment adopts the following technical solutions: a power grid automation isolation device, including an isolation device body 1, a utility pole 2 and a mounting ring 5, and the isolation device body 1 includes an isolation box 9, a signal Receiver 11, signal transmitter 12, controller 15, rotating motor 16, coupling 18, connector 23, insulating sleeve 29, first fixed contact 30 and moving contact 31, the lower end of the utility pole 2 is fixed Connect the tapered plunger 3, the upper end of the utility pole 2 is provided with a circle of grooves 4, the outside of the groove 4 is provided with two installation rings 5, and the positions of the two ports of the two installation rings 5 are fixedly connected to the connection block 6 , the two connecting blocks 6 are all provided with threaded holes, one side of the threaded holes is provided with a fixing bolt 7, the fixing bolt 7 is threadedly connected with the two connecting blocks 6 through the threaded holes, and the two mounting rings 5 are spliced to form Ring, the inner diameter of the ring is equal to the outer diameter of the groove 4 on the utility pole 2, the two mounting rings 5 are fixedly connected to the base 8 on one side, and the isolation box 9 is fixedly installed on the upper ends of the two bases 8 , both sides of the two isolation boxes 9 are provided with drainage grooves 10, and the interior of the isolation boxes 9 is fixedly installed with a first mounting plate 13 and a second mounting plate 14 sequentially from top to bottom, and the first mounting plate 13 A signal receiver 11 is fixedly installed on the upper end, a signal transmitter 12 is fixedly installed on the first mounting plate 13 at one end of the signal receiver 11 , and a controller 15 is fixedly installed at the center of the upper end of the first mounting plate 13 .

Wherein, the upper end of the second mounting plate 14 is fixedly installed with a rotating motor 16, the rotating motor 16 is installed at the center position of the upper end of the second mounting plate 14, and the lower end of the rotating motor 16 penetrates through the second mounting plate 14, the The lower end of the second mounting plate 14 is fixedly equipped with a protective shell 17, and the upper end surface of the inner cavity of the protective shell 17 is equipped with a coupling 18, and the output end of the rotating motor 16 is connected to the coupling 18 through a drive shaft 19 in rotation. The lower end of the shaft coupling 18 is provided with a connecting piece 23, and the middle part of the connecting piece 23 is provided with a circular groove. Fixedly connected, the center position of the lower end of the connecting piece 23 is fixedly connected to the rotating shaft 25, the lower end of the connecting piece 23 is located at the center position of the upper end surface of the base 8, and a fixed block 24 is fixedly installed. The inside of the fixed block 24 is provided with an empty groove, so The lower end of the rotating shaft 25 is designed to match the empty slot. The connecting piece 23 is connected to the fixed block 24 through the rotating shaft 25. The upper end of the base 8 is fixedly equipped with four insulating sleeves 29. The four insulating sleeves 29 are distributed in a cross shape, and the upper ends of the four insulating sleeves 29 are respectively fixed with the first fixed contact 30, the second fixed contact 32, the third fixed contact 33 and the fourth fixed contact 34, so The first fixed contact 30, the second fixed contact 32, the third fixed contact 33 and the fourth fixed contact 34 are all provided with moving contacts 31 on one side, and the connecting parts 23 are surrounded by first connecting rods respectively. 21. The second connecting rod 22, the third connecting rod 37 and the fourth connecting rod 38 are fixedly connected to the moving contact 31, and the four moving contacts 31 are respectively connected to the first fixed contact 30 and the second fixed contact 32 , the third fixed contact 33 and the fourth fixed contact 34 are slidingly connected, and the lower ends of the first connecting rod 21, the second connecting rod 22, the third connecting rod 37 and the fourth connecting rod 38 are fixedly connected to the annular chute 27, The upper end of the base 8 is fixed with an annular slider 26, and the first connecting rod 21, the second connecting rod 22, the third connecting rod 37 and the fourth connecting rod 38 slide with the annular sliding block 26 through the annular chute 27. Two wiring holes 28 are arranged on one side of the base 8, and the two wiring holes 28 are distributed axisymmetrically with respect to the longitudinal center line of the base 8. The upper end of the connecting piece 23 is provided with two secondary longitudinal lines 35 and Two secondary transverse lines 36, the upper ends of the first connecting rod 21, the second connecting rod 22, the third connecting rod 37 and the fourth connecting rod 38 are respectively fixedly installed with No. 1 primary line 39 and No. 2 primary line 40 , No. 3 first-class line 41 and No. 4 first-class line 42, two ports of two second-level longitudinal lines 35 are respectively connected with No. 1 first-level line 39 and No. 3 first-level line 41, two second-level horizontal lines 36 are respectively It is connected with No. 2 primary line 40 and No. 4 primary line 42, and one end of No. 1 primary line 39, No. 2 primary line 40, No. 3 primary line 41 and No. 4 primary line 42 are respectively connected with mobile contact 31 connection, the main line is arranged in the two wiring holes 28, and one end of the main line passes through the insulating sleeve 29 and connects with the first fixed contact 30 respectively. , the second fixed contact 32, the third fixed contact 33 and the fourth fixed contact 34 are connected, the model of the signal receiver 11 is a DMX512 wireless signal receiver, and the model of the signal transmitter 12 is KYL-320M signal transmitter device, the model of the controller 15 is STC89C52 type microcontroller, the controller 15 is electrically connected with the signal receiver 11, the signal transmitter 12 and the rotating motor 16 respectively, the insulating sleeve 29, the ring slider 26 And annular chute 27 all are made of ceramic material.

The usage state of the present invention is: the present invention relates to a power grid automation isolation device, which has the characteristics of rapid adjustment. First, fix the two installation rings 5 in the groove 4, and then insert the insertion rod 3 into the ground, thereby fixing the utility pole 2 , through the signal receiver 11 to receive part of the circuit fault information from the host end, and transmit the fault information to the controller 15, the controller 15 starts the rotating motor 16, drives the input end of the coupling 18 to rotate through the drive shaft 19, and passes the coupling The output end of the device 18 drives the drive shaft 20 to rotate, thereby drives the connector 23, and then drives the first connecting rod 21, the second connecting rod 22, the third connecting rod 37 and the fourth connecting rod 38 to rotate, the first connecting rod 21, The second connecting rod 22, the third connecting rod 37, and the moving contact 31 at one end of the fourth connecting rod 38 rotate. When one of the lines fails, the moving contact 31 and the four fixed contacts are realized through the rotation of the connecting piece 23. Head replacement, so as to quickly replace the new connection line and reduce losses.

Above shows and described basic principle of the present invention and main feature and the advantage of the present invention, those skilled in the art should understand that, the present invention is not limited by above-mentioned embodiment, and what described in above-mentioned embodiment and description just illustrates the present invention Principle, under the premise of not departing from the spirit and scope of the present invention, the present invention also has various changes and improvements, and these changes and improvements all fall within the claimed scope of the present invention, and the claimed protection scope of the present invention is defined by the appended claims Requirements and their equivalents are defined.

Claims (7)

1. a kind of grid automation isolating device, including isolating device ontology (1), electric pole (2) and mounting ring (5), feature It is, the isolating device ontology (1) includes shielded box (9), signal receiver (11), signal projector (12), controller (15), rotating electric machine (16), shaft coupling (18), connector (23), insulating sleeve (29), the first fixed contact (30) and mobile touching Head (31), electric pole (2) lower end are fixedly connected taper inserted link (3), and electric pole (2) upper end is equipped with circle groove (4), There are two setting on the outside of the groove (4) mounting ring (5), two mounting ring (5) two-port positions are fixedly connected with link block (6), two link blocks (6) are equipped with threaded hole, and threaded hole side is equipped with fixing bolt (7), and the fixing bolt (7) is logical It crosses threaded hole to be threadedly coupled with two link blocks (6), two mounting rings (5) are spliced to form annulus, and the internal diameter of annulus is equal to Outer diameter at electric pole (2) upper groove (4), two mounting ring (5) sides are fixedly connected with pedestal (8), two bases Seat (8) upper end is fixedly installed with shielded box (9), and two shielded box (9) two sides are equipped with drain tank (10), the shielded box (9) internal to be successively fixedly installed with the first mounting plate (13) and the second mounting plate (14), first mounting plate from top to bottom (13) upper end is fixedly installed with signal receiver (11), fixed on first mounting plate (13) of described signal receiver (11) one end It is equipped with signal projector (12), the first mounting plate (13) upper end center position is fixedly installed with controller (15).

2. a kind of grid automation isolating device according to claim 1, it is characterised in that: second mounting plate (14) Upper end is fixedly installed with rotating electric machine (16), and the rotating electric machine (16) is mounted on the second mounting plate (14) upper end center position, And rotating electric machine (16) lower end is fixedly mounted through insertion the second mounting plate (14), the second mounting plate (14) lower end Have guard shield (17), the upper surface of guard shield (17) inner cavity is equipped with shaft coupling (18), the rotating electric machine (16) For output end by drive shaft (19) rotation connection shaft coupling (18), shaft coupling (18) lower end is equipped with connector (23), described Circular groove is equipped in the middle part of connector (23), shaft coupling (18) output end is rotatablely connected driving shaft (20), the driving shaft (20) Lower end passes through circular groove and is fixedly connected with connector (23), and connector (23) the lower end center is fixedly connected with rotation axis (25), connector (23) lower end is located at pedestal (8) upper surface center and is fixedly installed with fixed block (24), the fixation Empty slot is equipped with inside block (24), rotation axis (25) lower end is adapted design with empty slot, and connector (23) passes through rotation axis (25) it is rotatablely connected with fixed block (24), pedestal (8) upper end is fixedly mounted there are four insulating sleeve (29), and four described exhausted It is in cross distribution between edge sleeve (29), four insulating sleeve (29) upper ends are fixedly installed with the first fixed contact respectively (30), the second fixed contact (32), third fixed contact (33) and the 4th fixed contact (34), first fixed contact (30), the second fixed contact (32), third fixed contact (33) and the 4th fixed contact (34) side are equipped with mobile contact (31), connector (23) surrounding pass through respectively first connecting rod (21), the second connecting rod (22), third connecting rod (37) and 4th connecting rod (38) is fixedly connected with mobile contact (31), four mobile contacts (31) respectively with the first fixed contact (30), the second fixed contact (32), third fixed contact (33) and the 4th fixed contact (34) are slidably connected.

3. a kind of grid automation isolating device according to claim 2, it is characterised in that: the first connecting rod (21), the second connecting rod (22), third connecting rod (37) are fixedly connected annular groove (27) with the 4th connecting rod (38) lower end, institute It states pedestal (8) upper end to be fixedly installed with ring slider (26), the first connecting rod (21), the second connecting rod (22), third connect Extension bar (37) and the 4th connecting rod (38) are slidably connected by annular groove (27) with ring slider (26), the pedestal (8) one Side is set there are two routing hole (28), and two routing holes (28) are distributed about pedestal (8) longitudinal centre line axial symmetry, the company Fitting (23) upper end is equipped with two second level vertical lines (35) and two second level x wires (36), the first connecting rod (21), the Two connecting rods (22), third connecting rod (37) and the 4th connecting rod (38) upper end be fixedly installed with respectively No.1 level-one line (39), No. two level-one lines (40), No. three level-one lines (41) and No. four level-one lines (42), the two-port difference of two second level vertical lines (35) Connect with No.1 level-one line (39) and No. three level-one lines (41), two second level x wires (36) respectively with No. two level-one lines (40) and No. four level-one line (42) connections, the No.1 level-one line (39), No. two level-one lines (40), No. three level-one lines (41) and No. four level-ones Line (42) one end is connect with mobile contact (31) respectively, is disposed with main line in two routing holes (28), main line one end passes through Insulating sleeve (29) is solid with the first fixed contact (30), the second fixed contact (32), third fixed contact (33) and the 4th respectively Fixed contact (34) connection.

4. a kind of grid automation isolating device according to claim 1, it is characterised in that: the signal receiver (11) Model DMX512 wireless signal receiver, signal projector (12) the model KYL-320M signal projector.

5. a kind of grid automation isolating device according to claim 1, it is characterised in that: controller (15) model For STC89C52 type microcontroller.

6. a kind of grid automation isolating device according to claim 1, it is characterised in that: the controller (15) is respectively It is electrically connected with signal receiver (11), signal projector (12) and rotating electric machine (16).

7. a kind of grid automation isolating device according to claim 2, it is characterised in that: the insulating sleeve (29), Ring slider (26) and annular groove (27) are that ceramic material is made.