CN216436420U

CN216436420U - Intelligent transformer cabinet

Info

Publication number: CN216436420U
Application number: CN202123067827.9U
Authority: CN
Inventors: 郝杰; 沈华; 邓振民; 靳辉; 赵玉明; 张�杰; 李晓宁; 王会锋; 许增辉
Original assignee: China Railway Electric Industries Co ltd
Current assignee: China Railway Electric Industries Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-05-03
Anticipated expiration: 2031-12-08

Abstract

The utility model discloses an intelligent transformer cabinet, which comprises an intelligent control device, wherein a local/remote transfer switch, a closing/opening transfer switch, a lighting switch, a digital display humidity controller, a high-voltage electrified display and a high-voltage electrified locking indicator lamp are integrated on a display screen of the intelligent control device; a connecting circuit loop of a high-voltage isolating switch, a high-voltage fuse, a dry-type transformer, a current transformer and a molded case circuit breaker is always displayed on a display screen, and a cross-shaped display bar I and a cross-shaped display bar II are connected at the high-voltage isolating switch and the molded case circuit breaker of the circuit loop; and the horizontal or vertical display bars of the cross-shaped display bars I and II display the on and off of the high-voltage isolating switch and the molded case circuit breaker. The utility model discloses each equipment distribution is concentrated, and the control of each equipment is with the centralized control of state display on a panel, the running state direct indication of each equipment, and operation fail safe nature is high, does benefit to field debugging, maintenance, and the operating security is high.

Description

Intelligent transformer cabinet

Technical Field

The utility model belongs to high-low voltage power transmission and distribution equipment makes field, relates to a transformer cabinet for electric railway.

Background

The transformer used by the transformer cabinet is used for supplying power to secondary equipment, maintenance equipment and daily life and lighting loads in the transformer cabinet, so that the transformer cabinet is safe, reliable and convenient to maintain. The existing transformer cabinet comprises a cabinet body, a high-voltage isolating switch, an isolating switch operating mechanism, a high-voltage fuse, a dry-type transformer, a current transformer, a molded case circuit breaker, a dry-type temperature controller, an LED lamp, a humidity sensor, a heater, 3 high-voltage sensors, an electromagnetic lock and other equipment which are distributed dispersedly, and the control and display panels of the equipment are arranged independently, so that the centralized control is not needed, the operation safety and reliability are poor, and the field debugging and maintenance are not facilitated; the states of the high-voltage isolating switch and the molded case circuit breaker are not directly displayed on each control panel, so that the states of the two devices are not easy to find, debugging and overhauling are not easy, and the operation safety is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above-mentioned problem that exists among the prior art, provide an intelligent transformer cabinet that intelligence instructed and controlled, each equipment rational arrangement, the distribution is concentrated, the control of each equipment with state display centralized control on a panel, concentrate on uploading the signal integrated protection system and implement the equipment protection, the running state direct indication of each equipment, operation fail safe nature is high, does benefit to field debugging, maintenance, operational safety is high.

In order to achieve the above object, the technical solution of the present invention is: an intelligent transformer cabinet comprises a cabinet body, a high-voltage isolating switch, an isolating switch operating mechanism, a high-voltage fuse, a dry-type transformer, a current transformer, a molded case circuit breaker, an intelligent control device, a lighting lamp, a humidity sensor, a heater, 3 high-voltage sensors, an electromagnetic lock and a terminal box; the local/remote transfer switch, the closing/opening transfer switch, the lighting switch, the digital display humidity controller, the high-voltage electrified display and the high-voltage electrified locking indicator lamp are integrated on a display screen of the intelligent control device;

the input end of the high-voltage isolating switch is connected to a high-voltage power supply, and the output end of the high-voltage isolating switch is connected to a primary coil of the dry-type transformer through a high-voltage fuse; the output end of the high-voltage fuse is connected with the input ends of the 3 high-voltage sensors; the output ends of the 3 high-voltage sensors are connected to an A display lamp, a B display lamp and a C display lamp of the high-voltage electrified display; the isolating switch operating mechanism controls the on-off of the high-voltage isolating switch; the output end of the secondary coil of the dry-type transformer is connected to the inlet end of the current transformer, and the outlet end of the current transformer is connected with the input end of the molded case circuit breaker; a feeder line is led out from the output end of the molded case circuit breaker to supply power to a load outside the transformer cabinet; the intelligent control device comprises a signal acquisition module, an information processing module, a display screen and a signal control module; the 220V alternating current power supply is connected with the power supply input end of the terminal box, and each power supply output end of the terminal box is respectively connected with the power supplies of the intelligent control device, the heater, the electromagnetic lock, the local/remote change-over switch, the closing/opening change-over switch, the lighting switch, the digital display humidity controller and the high-voltage electrified locking indicator lamp; a circuit loop is always displayed on the display screen: the output end of a high-voltage isolating switch with the input end connected to a high-voltage power supply is connected with a high-voltage fuse and then connected to a primary coil of a dry-type transformer, the output end of a secondary coil of the dry-type transformer is connected with a current transformer and then connected with a molded case circuit breaker and then led out of a feeder line, and a cross-shaped display strip I and a cross-shaped display strip II are connected to the high-voltage isolating switch and the molded case circuit breaker of the circuit loop; the on-off state signal output end of the high-voltage isolating switch, the local/remote change-over switch, the closing/opening change-over switch, the lighting switch, the humidity sensor and the signal output ends of the 3 high-voltage sensors are respectively connected with the signal input ends of the terminal box, the corresponding signal output ends of the terminal box are respectively connected with the signal input ends of the signal acquisition module, the signal is processed by the signal processing module and then output to the display screen and the signal control module, the transverse or vertical display strip of the cross-shaped display strip I on the display screen is on, the A display lamp, the B display lamp and the C display lamp of the high-voltage electrified display are on or off, the digital display humidity controller displays whether the humidity is too wet, the signal output ends of the signal control module are respectively connected with the signal control ends of the molded case circuit breaker and the lighting lamp, and the on-off state of the molded case circuit breaker and the on-off state switch of the lighting lamp are controlled; the feedback signal of the high-voltage electrified display and the control signal of the digital display humidity controller are respectively connected with the signal input ends of the signal acquisition module, are processed by the signal processing module and then are output to the signal control module, and the signal output end of the signal control module is respectively connected with the signal input ends of the electromagnetic lock and the heater to control the locking/unlocking of the electromagnetic lock and the starting and stopping of the heater; the plastic case circuit breaker on-off feedback signal and the electromagnetic lock locking/unlocking feedback signal are respectively connected with each signal input end of the signal acquisition module, are processed by the signal processing module and then are output to the display screen, and the transverse or vertical display strip of the cross display strip II on the display screen lights or lights the high-voltage electrified locking indicator lamp.

The local/remote change-over switch is arranged at a local position, the switching-on/switching-off change-over switch is switched on, the molded case circuit breaker is switched on, and the vertical display bar of the cross display bar II is bright; if the brake is opened, the horizontal display bar of the cross display bar II is bright. The lighting switch is turned off, and the lighting lamp in the cabinet body is turned on. Humidity transducer gives digital display humidity controller with the big signal transmission of humidity, and digital display humidity controller's the lamp strip that excessively wets is bright to signal transmission after will handling heats for the heater, and humidity numerical value falls below the threshold value, and the lamp strip that excessively wets goes out. High voltage signal transmission of 3 high pressure sensor on the three-phase high-voltage line gives the high voltage electrified display, and the high voltage electrified display lights and feeds back the signal to the electromagnetic lock, and the electromagnetic lock locks to give the high voltage electrified pilot lamp that locks with the signal transmission, the high voltage electrified pilot lamp that locks lights. Switching-on and switching-off signals of the high-voltage isolating switch are transmitted to the cross-shaped display strip I, the vertical display strip of the cross-shaped display strip I is bright when the high-voltage isolating switch is switched on, and the horizontal display strip of the cross-shaped display strip I is bright when the high-voltage isolating switch is switched off. The utility model discloses each equipment rational arrangement, the distribution is concentrated, and the control and the state display of each equipment centralized control on a panel concentrate on the signal and upload integrated protection system implementation equipment protection, the running state direct indication of each equipment, and the intelligent simulation dynamic indication of return circuit simulated diagram has not only guaranteed the reliable operation of transformer cabinet, has guaranteed patrolling and examining personnel's safety moreover. The operation is safe and reliable, the field debugging and the overhaul are facilitated, and the operation safety is high.

Drawings

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

FIG. 2 is a left-side view of the internal structure of the present invention;

fig. 3 is a schematic structural view of a display screen of the intelligent control device of the present invention;

fig. 4 is the control schematic diagram of the intelligent control device of the present invention.

Detailed Description

The invention is further described with reference to the accompanying drawings and the embodiments.

As shown in fig. 1 to 4, the present embodiment includes a cabinet 1, a high-voltage isolation switch 9, an isolation switch operating mechanism 2, a high-voltage fuse 8, a dry-type transformer 6, a current transformer 10, a molded case circuit breaker 12, an intelligent control device 4, an illumination lamp 3, a humidity sensor 11, a heater 13, 3 high-voltage sensors 7, an electromagnetic lock 5, and a terminal box 21. The local/remote transfer switch 14, the closing/opening transfer switch 20, the lighting switch 15, the digital display humidity controller 16, the 3 high-voltage electrified displays 17 and the high-voltage electrified locking indicator lamp 18 are integrated on the display screen of the intelligent control device 4.

The input end of the high-voltage isolating switch 9 is connected to a high-voltage power supply, and the output end of the high-voltage isolating switch is connected to a primary coil of the dry-type transformer 6 through a high-voltage fuse 8. The output of the high-voltage fuse 8 is connected to the inputs of the 3 high-voltage sensors 7. The output ends of the 3 high-voltage sensors 7 are connected to an A display lamp, a B display lamp and a C display lamp of the high-voltage live display 17. The isolating switch operating mechanism 2 controls the on-off of the high-voltage isolating switch 9. The output end of the secondary coil of the dry type transformer 6 is connected to the incoming end of the current transformer 10, and the outgoing end of the current transformer 10 is connected to the input end of the molded case circuit breaker 12. And a feeder line is led out from the output end of the molded case circuit breaker 12 to supply power to a load outside the transformer cabinet. The intelligent control device 4 comprises a signal acquisition module, an information processing module, a display screen and a signal control module. The 220V alternating current power supply is connected with the power supply input end of the terminal box 21, and each power supply output end of the terminal box 21 is respectively connected with the power supplies of the intelligent control device 4, the heater 13, the electromagnetic lock 5, the local/remote change-over switch 14, the closing/opening change-over switch 20, the lighting switch 15, the digital display humidity controller 16 and the high-voltage electrified locking indicator lamp 18. A circuit loop 19 is always displayed on the display screen: the output end of a high-voltage isolating switch 9 with the input end connected to a high-voltage power supply is connected with a high-voltage fuse 8 and then connected to a primary coil of a dry-type transformer 6, the output end of a secondary coil of the dry-type transformer 6 is connected with a current transformer 10 and then connected with a molded case circuit breaker 12 and then led out a feeder, and a cross-shaped display strip I22 and a cross-shaped display strip II 23 are connected to the high-voltage isolating switch 9 and the molded case circuit breaker 12 of the circuit loop 19. The signal output ends of the on-off state signal output end of the high-voltage isolating switch 9, the local/remote change-over switch 14, the on-off/opening change-over switch 20, the lighting switch 15, the humidity sensor 11 and the 3 high-voltage sensors 7 are respectively connected with the signal input ends of the terminal box 21, the corresponding signal output ends of the terminal box 21 are respectively connected with the signal input ends of the signal acquisition module, the signal processing module is used for processing the signals and then outputting the processed signals to the display screen and the signal control module, a transverse or vertical display strip of a cross-shaped display strip I22 on the display screen is on, an A display lamp, a B display lamp and a C display lamp of a high-voltage electrified display are on or off, a digital display humidity controller 16 is used for displaying whether the humidity is too wet, the signal output end of the signal control module is respectively connected with the signal control ends of the molded case circuit breaker 12 and the illuminating lamp 3, and the on-off of the molded case circuit breaker 12 and the on-off of the illuminating lamp are controlled. The feedback signal of the electrified display 17 and the control signal of the digital display humidity controller 16 are respectively connected with each signal input end of the signal acquisition module, are output to the signal control module after being processed by the signal processing module, and the signal output end of the signal control module is respectively connected with the signal input ends of the electromagnetic lock 5 and the heater 13 to control the locking/unlocking of the electromagnetic lock 5 and the starting and stopping of the heater 13. The plastic case circuit breaker 12 on-off feedback signal and the electromagnetic lock 5 locking/unlocking feedback signal are respectively connected with each signal input end of the signal acquisition module, are processed by the signal processing module and then are output to the display screen, and a transverse or vertical display strip of a cross display strip II 23 on the display screen lights or lights the high-voltage electrified locking indicator lamp 18.

Of course, the present invention also has other various embodiments, and those skilled in the art can make corresponding changes and modifications according to the present invention without departing from the spirit and substance of the present invention, and these corresponding changes and modifications should all belong to the improvement of the equivalent technology, and belong to the protection scope of the claims of the present invention.

Claims

1. An intelligent transformer cabinet comprises a cabinet body, a high-voltage isolating switch, an isolating switch operating mechanism, a high-voltage fuse, a dry-type transformer, a current transformer, a molded case circuit breaker, an intelligent control device, a lighting lamp, a humidity sensor, a heater, 3 high-voltage sensors, an electromagnetic lock and a terminal box; the method is characterized in that: the local/remote transfer switch, the closing/opening transfer switch, the lighting switch, the digital display humidity controller, the high-voltage electrified display and the high-voltage electrified locking indicator lamp are integrated on a display screen of the intelligent control device;

the input end of the high-voltage isolating switch is connected to a high-voltage power supply, and the output end of the high-voltage isolating switch is connected to a primary coil of the dry-type transformer through a high-voltage fuse; the output end of the high-voltage fuse is connected with the input ends of the 3 high-voltage sensors; the output ends of the 3 high-voltage sensors are connected to an A display lamp, a B display lamp and a C display lamp of the high-voltage electrified display; the isolating switch operating mechanism controls the on-off of the high-voltage isolating switch; the output end of the secondary coil of the dry-type transformer is connected to the inlet end of the current transformer, and the outlet end of the current transformer is connected with the input end of the molded case circuit breaker; a feeder line is led out from the output end of the molded case circuit breaker to supply power to a load outside the transformer cabinet; the intelligent control device comprises a signal acquisition module, an information processing module, a display screen and a signal control module; the 220V alternating current power supply is connected with the power supply input end of the terminal box, and each power supply output end of the terminal box is respectively connected with the power supplies of the intelligent control device, the heater, the electromagnetic lock, the local/remote transfer switch, the closing/opening transfer switch, the lighting switch, the digital display humidity controller and the high-voltage electrified locking indicator lamp; a circuit loop is always displayed on the display screen: the output end of a high-voltage isolating switch with the input end connected to a high-voltage power supply is connected with a high-voltage fuse and then connected to a primary coil of a dry-type transformer, the output end of a secondary coil of the dry-type transformer is connected with a current transformer and then connected with a molded case circuit breaker and then led out of a feeder line, and a cross-shaped display strip I and a cross-shaped display strip II are connected to the high-voltage isolating switch and the molded case circuit breaker of the circuit loop; the on-off state signal output end of the high-voltage isolating switch, the local/remote change-over switch, the closing/opening change-over switch, the lighting switch, the humidity sensor and the signal output ends of the 3 high-voltage sensors are respectively connected with the signal input ends of the terminal box, the corresponding signal output ends of the terminal box are respectively connected with the signal input ends of the signal acquisition module, the signal is processed by the signal processing module and then output to the display screen and the signal control module, the transverse or vertical display strip of the cross-shaped display strip I on the display screen is on, the A display lamp, the B display lamp and the C display lamp of the high-voltage electrified display are on or off, the digital display humidity controller displays whether the humidity is too wet, the signal output ends of the signal control module are respectively connected with the signal control ends of the molded case circuit breaker and the lighting lamp, and the on-off state of the molded case circuit breaker and the on-off state switch of the lighting lamp are controlled; the feedback signal of the high-voltage electrified display and the control signal of the digital display humidity controller are respectively connected with the signal input ends of the signal acquisition module, are processed by the signal processing module and then are output to the signal control module, and the signal output end of the signal control module is respectively connected with the signal input ends of the electromagnetic lock and the heater to control the locking/unlocking of the electromagnetic lock and the starting and stopping of the heater; the plastic case circuit breaker on-off feedback signal and the electromagnetic lock locking/unlocking feedback signal are respectively connected with each signal input end of the signal acquisition module, are processed by the signal processing module and then are output to the display screen, and the transverse or vertical display strip of the cross display strip II on the display screen lights or lights the high-voltage electrified locking indicator lamp.