CN206931855U - A line inlet mechanism for an inflatable cabinet - Google Patents

Abstract

The utility model discloses an aerify inlet wire mechanism for cabinet, which comprises a support plate, the support plate front end is provided with the wiring mouth, the outer lane of wiring mouth is provided with wiring mouth external screw thread, the inside conductive terminal that is provided with of wiring mouth, the rear end of wiring mouth is installed and is crossed electric protection device, it is connected with insulating passageway to cross electric protection device's rear end, the rear end of support plate is provided with the connector, the front end of connector is provided with insulating passageway, be provided with the rotation gate between the insulating passageway, the right-hand member on support plate surface has servo motor through bolted connection, servo motor rotates with the rotation gate through the pivot and is connected, the driver is installed to servo motor's front end, the display is installed to the front end of driver, urgent. The utility model discloses the contact is good, connect stably, can intelligent control electrical connection, prevents to aerify the inside electrical element's of cabinet overload, has the security, and overall structure is stable, connects the fastening, and applicable environment is wide, realizes automatic intellectuality.

Description

A line inlet mechanism for an inflatable cabinet

technical field

The utility model relates to the technical field of an inflatable cabinet, in particular to a line inlet mechanism for an inflatable cabinet.

Background technique

Indoor AC high-voltage gas-insulated metal-enclosed switchgear (referred to as "inflatable cabinet") is a new generation of switchgear. The main switch can be a vacuum circuit breaker with a permanent magnet mechanism or a vacuum circuit breaker with a spring mechanism. Combination of sulfur hexafluoride gas compartments is both compact and expandable for distribution automation. The inflatable cabinet has the characteristics of compact structure, flexible operation, and reliable interlocking. It can provide satisfactory technical solutions for various applications (especially places with harsh environments) and different user requirements. The adoption of sensor technology and the latest protective relay, coupled with advanced technical performance and light and flexible assembly scheme, can fully meet the different needs of users. The inflatable cabinet is suitable for small secondary substations, switching stations, box-type substations, residential quarters, industrial and mining enterprises, and large shopping malls in the power system, especially for airports, subways, railways and other occasions that require high power consumption.

In the prior art, the inlet mechanism of the inflatable cabinet often has the problem of unstable connection, especially in harsh environments, which is not firm enough to easily lead to poor contact. At the same time, the connection between the busbar and the vacuum circuit breaker in the inlet mechanism There is no corresponding control switch or the design of the control switch is unreasonable, which affects the stability of the line and the life of the machine itself, and does not have an intelligent control system, and cannot complete automatic suspension in emergency situations, and does not have certain safety.

Utility model content

The purpose of this utility model is to provide a wire inlet mechanism for an inflatable tank to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a wire inlet mechanism for an inflatable cabinet, including a carrier board, the front end of the carrier board is provided with a connection port, the outer ring of the connection port is provided with a connection port external thread, and the inside of the connection port is Conductive terminals are provided, an over-current protection device is installed at the rear end of the wiring port, an insulating channel is connected to the rear end of the over-current protection device, a connector is provided at the rear end of the carrier board, and an insulating channel is provided at the front end of the connector. A rotary gate is arranged between the insulating passages, a servo motor is connected to the right end of the surface of the carrier plate through a bolt, and the servo motor is rotationally connected to the rotary gate through a rotating shaft, a driver is installed at the front end of the servo motor, and a The display, the emergency isolation mechanism is installed at the lower end of the carrier board, and the emergency isolation mechanism is connected with the control knob installed on the front surface of the cabinet, and the connector is connected with the vacuum circuit breaker installed at the rear end of the carrier board, and the lower end of the vacuum circuit breaker A three-position isolating switch is installed, the lower end of the three-position isolating switch is connected to a fuse through a wire, and the lower end of the fuse is connected to an output line, and the output end of the over-current protection device is electrically connected to the input end of the driver. , the output terminal of the driver is electrically connected with the input terminal of the servo motor.

Further, both ends of the rotary gate and the insulating channel and inside are provided with a number of conductive terminals, and the conductive terminals at both ends are distributed alternately, and the two ends of the rotary gate and the two ends of the insulating channel are slidably connected through the rotating shaft.

Further, the four corners of the carrier plate are symmetrically provided with bolt connection holes, and the carrier plate and the inner wall of the cabinet are connected by threads.

Further, the emergency isolating mechanism is respectively connected in drive with the connector and the three-position isolating switch.

Further, there are three fuses, one of which is grounded.

Compared with the prior art, the beneficial effect of the utility model is: the inlaid sliding connection between the rotary valve switch and the conductive terminal ensures good contact and stable connection, and the over-current protection device can intelligently control the electrical Connection to prevent overload of electrical components inside the inflatable cabinet, with safety, manual switch can achieve timely manual control to prevent machine failure, busbar and wiring port are connected by thread, high stability, stable overall structure, fast connection, suitable for The environment is wide and realizes automation and intelligence.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a schematic diagram of the internal structure of the utility model.

Among the reference signs: 1-servo motor; 2-driver; 3-display; 4-wiring port; 5-wiring port external thread; 6-overcurrent protection device; 7-rotary gate; ;10-conductive terminal; 11-carrier board; 12-control knob; 13-emergency isolation mechanism; 14-output line; 15-fuse; 16-three-position isolating switch; 17-vacuum circuit breaker; .

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-2, the utility model provides a technical solution: a wire inlet mechanism for an inflatable cabinet, including a carrier board 11, the front end of the carrier board 11 is provided with a wiring port 4, and the outer ring of the wiring port 4 is provided with The external thread 5 of the connection port, the conductive terminal 10 is arranged inside the connection port 4, the over-current protection device 6 is installed at the rear end of the connection port 4, the insulation channel 8 is connected to the rear end of the over-current protection device 6, and the rear end of the carrier plate 11 A connector 9 is provided at the end of the connector 9, and an insulating channel 8 is provided at the front end of the connector 9. A rotary gate 7 is arranged between the insulating channels 8. The right end of the surface of the carrier plate 11 is connected with a servo motor 1 by bolts. The servo motor 1 Rotately connected with the rotary gate 7 through the rotating shaft, the front end of the servo motor 1 is equipped with a driver 2, the front end of the driver 2 is equipped with a display 3, and the lower end of the carrier plate 11 is equipped with an emergency isolation mechanism 13, and the emergency isolation mechanism 13 is installed on the The control knob 12 on the front surface of the cabinet body 18 is connected by transmission, and the connector 9 is connected to the vacuum circuit breaker 17 installed on the rear end of the carrier plate 11. A three-station isolating switch 16 is installed at the lower end of the vacuum circuit breaker 17. The three-station The lower end of the isolating switch 16 is connected to a fuse 15 through a wire, and the lower end of the fuse 15 is connected to an output line 14. The output end of the overcurrent protection device 6 is electrically connected to the input end of the driver 2, and the output end of the driver 2 It is electrically connected with the input end of the servo motor 1.

Further, the two ends of the rotary gate 7 and the insulating channel 8 and the inside are provided with a number of conductive terminals 10, and the conductive terminals 10 at both ends are arranged in a staggered manner, and the two ends of the rotary gate 7 and the two ends of the insulating channel 8 slide through the rotating shaft connection, to ensure that the connection is tight and stable.

Further, the four corners of the carrier board 11 are symmetrically provided with bolt connection holes, and the carrier board 11 and the inner wall of the cabinet body 18 are connected by threads to ensure a stable installation of the wire inlet mechanism.

Further, the emergency isolating mechanism 13 is respectively connected in drive with the connector 9 and the three-position isolating switch 16, which is convenient for manual control in emergency situations.

Further, there are three fuses 15, one of which is grounded to ensure voltage stability and safety.

The overvoltage protection device 6 mentioned in the utility model can automatically supply power through the current mutual induction device installed inside the inflatable cabinet.

Working principle: connect the bus joint with internal thread to the external thread 5 on the surface of the connection port 4, the high-voltage current is transmitted from the rotary gate 7 to the connector 9 through the conductive terminal 10, and the mosaic connection of the conductive terminal 10 ensures the stability of the electrical connection The current enters the vacuum circuit breaker 17 through the connecting device inside the connector 9. The high-voltage current is stepped down by the vacuum circuit breaker 17, and the low-voltage current is transmitted from the three-position isolating switch 16. Part of the current is grounded through the fuse 15, and part of the current is grounded through the fuse 15. Derived through the output line 14, during the power-on process, when the bus current voltage is too high and higher than the expected value set by the over-current protection device 6, the over-current protection device 6 transmits the signal to the driver 3, and the driver 3 controls The servo motor 1 operates, and the servo motor 1 drives the rotary gate 7 to rotate through the rotating shaft, so that the current between the bus bar and the connector 9 is disconnected, and the operating status will be displayed on the display 3 at the same time to ensure the safety of the current. The emergency isolation mechanism 13 is connected to the A connecting switch component is arranged between the devices 9, which can be used as an emergency backup when the overvoltage protection device 6 fails, and the emergency isolation mechanism 13 can control the operation of the three-position isolating switch 16 to ensure the normal use of electricity.

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

Claims (5)

1. a kind of gas-filling cabinet wire inlet mechanism, including support plate (11), it is characterised in that：Support plate (11) front end is provided with wiring Mouth (4), the outer ring of connection jaws (4) are provided with wiring interface external thread (5), and connection jaws (4) are internally provided with conducting terminal (10), connect The rear end of line mouth (4) is provided with overcurrent protection device (6), and the rear end of overcurrent protection device (6) is connected with insulated channel (8), institute The rear end for stating support plate (11) is provided with connector (9), and the front end of connector (9) is provided with insulated channel (8), the insulated channel (8) Rotary grate (7) is provided between, the right-hand member on support plate (11) surface has been bolted servomotor (1), servo Motor (1) is rotatablely connected by rotating shaft and Rotary grate (7), and the front end of the servomotor (1) is provided with driver (2), is driven The front end of dynamic device (2) is provided with display (3), and the lower end of support plate (11) is provided with urgent interrupter (13), and urgent isolation Mechanism (13) is connected with the control handle (12) installed in cabinet (18) front-end surface, and the connector (9) is with being arranged on Vacuum circuit breaker (17) connection of support plate (11) rear end, the lower end of vacuum circuit breaker (17) is provided with tri-station isolating switch (16), the lower end of the tri-station isolating switch (16) is connected with fuse (15), the connection of fuse (15) lower end by wire There is output line (14), be electrically connected between the output end of the overcurrent protection device (6) and the input of driver (2), driven It is electrically connected between the output end of device (2) and the input of servomotor (1).

A kind of 2. gas-filling cabinet wire inlet mechanism according to claim 1, it is characterised in that：The Rotary grate (7) and absolutely The both ends and inside of edge passage (8) are provided with some conducting terminals (10), and the conducting terminal (10) at both ends is interspersed, and turn The both ends and the both ends of insulated channel (8) of dynamic gate (7) are slidably connected by rotating shaft.

A kind of 3. gas-filling cabinet wire inlet mechanism according to claim 1, it is characterised in that：The corner pair of the support plate (11) Title is provided with bolt connecting hole, is connected through a screw thread between support plate (11) and cabinet (18) inwall.

A kind of 4. gas-filling cabinet wire inlet mechanism according to claim 1, it is characterised in that：The urgent interrupter (13) It is connected respectively between connector (9) and tri-station isolating switch (16).

A kind of 5. gas-filling cabinet wire inlet mechanism according to claim 1, it is characterised in that：The fuse (15) is provided with Three, one of fuse (15) ground connection is set.