CN215735270U

CN215735270U - ESD emergency shutdown system control cabinet

Info

Publication number: CN215735270U
Application number: CN202122064499.0U
Authority: CN
Inventors: 王福松
Original assignee: Jiangsu Lanbo Automation Technology Co ltd
Current assignee: Jiangsu Lanbo Automation Technology Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-02-01
Anticipated expiration: 2031-08-30

Abstract

The utility model relates to a control cabinet, in particular to a control cabinet of an ESD emergency stop system. It includes the cabinet body, and one side of the cabinet body articulates there is the cabinet door, and one side of the cabinet body is close to the top position and is equipped with ESD emergency stop system controller, and the below of ESD emergency stop system controller is equipped with IO processing module, and IO processing module's below is equipped with fast fuse, and one side of fast fuse is equipped with miniature circuit breaker, and miniature circuit breaker's below is equipped with redundant switching power supply, and one side of redundant switching power supply is equipped with power filter. The utility model designs that the CPUA, B and C arranged in the redundant switch power supply simultaneously process the information in the IO processing module, and the CPUA, B and C are communicated with each other, after the information output by the IO processing module is processed, the information is transmitted to the output end and then transmitted to the voter through the output end, thereby completing the fault detection, having faster reaction speed and higher detection success rate.

Description

ESD emergency shutdown system control cabinet

Technical Field

The utility model relates to a control cabinet, in particular to a control cabinet of an ESD emergency stop system.

Background

The conventional PLC control cabinet adopts a common PLC module, the common PLC is not designed according to the fault safety type, and when a short circuit fault occurs to an internal element of a system, the fault cannot be detected, so that the output state of the PLC control cabinet cannot ensure that the system returns to a preset safety state. Such a PLC can only be used in applications with low safety level requirements. In industrial processes, human judgment and operation at dangerous moments are often delayed and unreliable. It is therefore necessary to provide a safety interlock that is independent of the control system, which is an important criterion for good safety production.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a control cabinet of an ESD emergency shutdown system, so as to solve the problems in the background art.

In order to achieve the purpose, the utility model provides an ESD emergency parking system control cabinet which comprises a cabinet body, wherein a cabinet door is hinged to one side of the cabinet body, an ESD emergency parking system controller is arranged at a position, close to the top, of one side of the cabinet body, an IO processing module is arranged below the ESD emergency parking system controller, a fast fuse is arranged below the IO processing module, a miniature circuit breaker is arranged at one side of the fast fuse, a redundant switch power supply is arranged below the miniature circuit breaker, a power filter is arranged at one side of the redundant switch power supply, a signal isolator is arranged below the power filter, a safety relay is arranged below the signal isolator, and a wiring terminal is arranged at the other side of the cabinet body.

As a further improvement of the technical scheme, two CPUs are arranged inside the ESD emergency stop system controller, when one CPU fails, the other CPU is automatically switched to operate, and an indication alarm area is arranged in the middle of one side of the cabinet door.

As a further improvement of the technical scheme, the signal isolator, the IO processing module and the field instrument are connected through lines, the miniature circuit breaker and the redundant switch power supply are connected through lines, and the redundant switch power supply is used for supplying power for the ESD emergency stop system controller, the IO processing module, the signal isolator and the field device.

As a further improvement of the technical solution, the redundant switching power supply includes CPUA, B, and C, the CPUA, B, and C are communicated with each other, the CPUA, B, and C receive signals of the IO processing module at the same time, and transmit the processed signals to the output terminal, and the output terminal transmits the signals to the voter.

As a further improvement of the technical scheme, the CPUA, the CPB and the CPC are respectively provided with a watchdog, a plurality of the watchdogs are communicated with each other, the CPUA, the CPB and the CPC are respectively connected with output ends, and the watchdogs are connected with the corresponding output ends.

Compared with the prior art, the utility model has the beneficial effects that:

in this ESD emergency stop system switch board, through CPUA, B, the information in the simultaneous processing IO processing module that sets up in the redundant switching power supply, information intercommunication each other between CPUA, B, the C simultaneously, with information transmission to the output after having handled the information of output in the IO processing module, via output transmission to voter again, accomplish the detection of trouble, reaction rate is faster, and it is higher to detect the success rate.

Drawings

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

Fig. 2 is a schematic view of the back structure of the cabinet body of the utility model.

Fig. 3 is a diagram of a redundant fault tolerant system of triple modules according to the present invention.

Fig. 4 is a diagram of a triple signal redundancy fault tolerant system of embodiment 2.

The various reference numbers in the figures mean:

10. a cabinet body;

11. an ESD emergency shutdown system controller; 12. an IO processing module; 13. a miniature circuit breaker; 14. a fast fuse; 15. a redundant switching power supply; 16. a power supply filter; 17. a signal isolator; 18. a safety relay; 19. a wiring terminal;

20. a cabinet door.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Example 1

Referring to fig. 1 to 3, the present embodiment provides an ESD emergency stop system control cabinet, which includes a cabinet body 10, a cabinet door 20 is hinged to one side of the cabinet body 10, an ESD emergency stop system controller 11 is disposed at a position on one side of the cabinet body 10 near the top, the ESD emergency stop system controller 11 is a rochell 1756 controller, an IO processing module 12 is disposed below the ESD emergency stop system controller 11, the IO processing module 12 controls a safety relay 18 to be turned on or off, a connection terminal 19 is connected to perform remote control, and feeds back real-time states of the two to the ESD emergency stop system controller 11, a fast fuse 14 is disposed below the IO processing module 12, the fast fuse 14 is used for protecting the IO processing module 12, a micro circuit breaker 13 is disposed on one side of the fast fuse 14, the micro circuit breaker 13 is used for protecting a circuit, and a redundant switch power supply 15 is disposed below the micro circuit breaker 13, one side of redundant switching power supply 15 is equipped with power filter 16, and power filter 16's below is equipped with signal isolator 17, and signal isolator 17's below is equipped with safety relay 18, and the opposite side of cabinet body 10 is equipped with binding post 19, realizes when breaking down in the system, can the short-term test and with information transmission to ESD emergency stop system controller 11 in, realizes that the system parks fast and avoids taking place danger.

Further, ESD emergency stop system controller 11's inside is equipped with two CPU, automatic switch-over is to another CPU operation when one of them CPU trouble, guarantee control system steady operation not shut down, support plug-and-play's debugging and configuration simultaneously, the troubleshooting change under the condition of being convenient for not shut down, one side middle part position of cabinet door 20 is equipped with the instruction alarm area, show control system power supply state, it is stable to realize the system operation, and can send out the police dispatch newspaper to the operator the very first time when breaking down.

Specifically, the signal isolator 17, the IO processing module 12 and the field instrument are connected by a line, and are connected with the field instrument for signal isolation, signal distribution, signal processing and the like, so as to improve the anti-interference capability of the automatic control system in the industrial production process, ensure the stability and reliability of the system, the miniature circuit breaker 13 is connected with the redundant switch power supply 15 by a line, the redundant switch power supply 15 is used for supplying power to the ESD emergency stop system controller 11, the IO processing module 12, the signal isolator 17 and the field device, the redundant switch power supply 15 comprises CPUA, B and C, the CPUA, B and C use different algorithms to classify and process information in the IO processing module 12, the CPUA, B and C are communicated with each other to intercommunicate the processed information, so as to facilitate the detection of the possibility of faults in the CPUA, B and C, the CPUA, B and C simultaneously receive signals of the IO processing module 12 and transmit the processed signals to the output end, the output end transmits the signal to the voter, so that the fault in the system is detected and transmitted to the ESD emergency parking system controller 11, and the system is parked to avoid danger.

When the ESD emergency shutdown system control cabinet of this embodiment is used specifically, the ESD emergency shutdown system controller 11 transmits information in the system to the IO processing module 12 through the connection terminal 19, the IO processing module 12 transmits the information to the redundant switching power supply 15, in the redundant switching power supply 15, the information in the IO processing module 12 is classified and processed through different algorithms in CPUA, B, and C, and the information is transmitted to the voter through the output terminal, the voter screens out results of the CPUA, B, and C processing, transmits the information to the power filter 16, and then transmits the information to the ESD emergency shutdown system controller 11 and transmits the information to the system through the connection terminal 19, thereby completing the control effect.

Example 2

As shown in fig. 4, the watchdog is arranged in each of the CPUA, B, and C, and transmits the information in the CPUA, B, and C to the display system, the information processed in the CPUA, B, and C can be monitored by an operator, so that the system can be more effectively controlled, the multiple watchdogs are communicated with each other, the CPUA, B, and C are respectively connected with output terminals, and the watchdog is connected with the corresponding output terminal.

When the ESD emergency stop system control cabinet of this embodiment is used specifically, the IO processing module 12 transmits information to the redundant switching power supply 15, the CPUA, B, and C are extreme through different algorithms, and simultaneously transmit the calculation result to the display system through the watchdog, and simultaneously the CPUA, B, and C transmit the calculation result to the corresponding output end, and the operator transmits a control instruction to the output end and the CPUA, B, and C to realize further control of the system, thereby increasing the response speed to a fault.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An ESD emergency stop system control cabinet, includes the cabinet body (10), its characterized in that: one side of the cabinet body (10) is articulated to have a cabinet door (20), one side of the cabinet body (10) is close to the top position and is equipped with ESD emergency stop system controller (11), the below of ESD emergency stop system controller (11) is equipped with IO processing module (12), the below of IO processing module (12) is equipped with fast acting fuse (14), one side of fast acting fuse (14) is equipped with miniature circuit breaker (13), the below of miniature circuit breaker (13) is equipped with redundant switching power supply (15), one side of redundant switching power supply (15) is equipped with power filter (16), the below of power filter (16) is equipped with signal isolator (17), the below of signal isolator (17) is equipped with safety relay (18), the opposite side of the cabinet body (10) is equipped with binding post (19).

2. The ESD emergency shutdown system control cabinet of claim 1, wherein: the ESD emergency stop system controller (11) is internally provided with two CPUs, when one CPU is in fault, the other CPU is automatically switched to operate, and an indication alarm area is arranged in the middle of one side of the cabinet door (20).

3. The ESD emergency shutdown system control cabinet of claim 1, wherein: signal isolator (17), IO processing module (12) and field instrument pass through the line connection, miniature circuit breaker (13) and redundant switching power supply (15) pass through the line connection, redundant switching power supply (15) are used for supplying power for ESD emergency stop system controller (11), IO processing module (12), signal isolator (17) and field device.

4. The ESD emergency shutdown system control cabinet of claim 1, wherein: the redundant switch power supply (15) comprises CPUA, B and C which are communicated with each other, the CPUA, B and C receive signals of the IO processing module (12) at the same time and transmit the processed signals to the output end, and the output end transmits the signals to the voter.

5. The ESD emergency shutdown system control cabinet of claim 4, wherein: the CPUA, the B and the C are respectively provided with a watchdog, a plurality of watchdogs are communicated with each other, the CPUA, the B and the C are respectively connected with output ends, and the watchdogs are connected with the corresponding output ends.