CN212137381U - Electrical switch cabinet and monitoring equipment thereof - Google Patents

Electrical switch cabinet and monitoring equipment thereof Download PDF

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Publication number
CN212137381U
CN212137381U CN202020216400.7U CN202020216400U CN212137381U CN 212137381 U CN212137381 U CN 212137381U CN 202020216400 U CN202020216400 U CN 202020216400U CN 212137381 U CN212137381 U CN 212137381U
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China
Prior art keywords
control unit
module
communication
switch
communication connection
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CN202020216400.7U
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Chinese (zh)
Inventor
张曦
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Zhuzhou CRRC Times Electric Co Ltd
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Zhuzhou CRRC Times Electric Co Ltd
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Abstract

The utility model discloses an electrical switch cabinet and supervisory equipment thereof, supervisory equipment includes: the interface module is respectively in communication connection with the switch input module and the switch output module of the electrical switch cabinet; the first control unit is in communication connection with the switch input module and the switch output module through the interface module respectively and is in communication connection with the upper computer, and the first control unit is in transmission connection with the switch input module, the switch output module and the upper computer respectively; the second control unit is in communication connection with the switch input module and the switch output module through the interface module respectively and is in communication connection with the upper computer, the second control unit is in transmission connection with the switch input module, the switch output module and the upper computer respectively, the interface module responds to failure of the first control unit or the second control unit, and the communication line between the failed control unit and the switch input module and the communication line between the failed control unit and the switch output module are switched to the other control unit. The utility model provides whole system's security has been promoted.

Description

Electrical switch cabinet and monitoring equipment thereof
Technical Field
The utility model relates to an electrical monitoring management technical field especially relates to an electrical switch cabinet and supervisory equipment who possesses redundant protection.
Background
At present, an electrical monitoring management system used in an electrical switch cabinet generally monitors the whole related system by taking a single processor module as a core, and communicates with an upper computer by using a single communication module.
However, the currently adopted electrical monitoring management system lacks redundancy protection, and once a processor module or a communication module fails, the whole electrical system is out of control, so that the safety of the whole electrical system is reduced.
SUMMERY OF THE UTILITY MODEL
The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.
The to-be-solved technical problem of the utility model is that the electrical monitoring management system who uses for overcoming among the prior art electrical switch cabinet lacks redundancy protection, leads to reducing the defect of whole electrical system's security, provides an electrical switch cabinet and supervisory equipment thereof.
The utility model discloses a solve through following technical scheme technical problem:
a monitoring device of an electrical switchgear, comprising:
the interface module is used for being in communication connection with the switch input module and the switch output module of the electrical switch cabinet respectively;
the first control unit is used for being in communication connection with the switch input module and the switch output module through the interface module respectively and also used for being in communication connection with an upper computer, and the first control unit is configured to be in transmission with the switch input module, the switch output module and the upper computer respectively; and the number of the first and second groups,
a second control unit, configured to be in communication connection with the switch input module and the switch output module through the interface module, respectively, and also in communication connection with an upper computer, and configured to transmit various types of signals with the switch input module, the switch output module, and the upper computer, respectively,
the interface module is configured to switch a communication line between the failed control unit and the switch input module and the switch output module, respectively, to another control unit in response to a failure of the first control unit or the second control unit.
Optionally, the first control unit includes a first processor module and a first communication module;
the first processor module is in communication connection with the first communication module, the first processor module is used for being in communication connection with the switch input module and the switch output module through the interface module, and the first communication module is used for being in communication connection with the upper computer;
the second control unit comprises a second processor module and a second communication module;
the second processor module is in communication connection with the second communication module, the second processor module is used for being in communication connection with the switch input module and the switch output module through the interface module, and the second communication module is used for being in communication connection with the upper computer.
Optionally, the interface module is further configured to be in communication connection with the upper computer;
the interface module is further configured to acquire a fault signal of the first control unit or the second control unit from the upper computer.
Optionally, the interface module is further configured to be in communication connection with the upper computer through at least two mutually independent communication channels.
Optionally, the first control unit is configured to be in communication connection with the upper computer through at least two mutually independent communication channels;
the second control unit is used for being in communication connection with the upper computer through at least two mutually independent communication channels;
the interface module is further configured to acquire a fault signal of the first control unit or the second control unit from the upper computer through the first control unit or the second control unit.
Optionally, the first control unit is further configured to be in communication connection with an industrial control screen of the electrical switchgear through the interface module;
the second control unit is also used for being in communication connection with the industrial control screen through the interface module;
the interface module is further configured to switch a communication line between the failed control unit and the industrial control screen to another control unit in response to a failure of the first control unit or the second control unit.
Optionally, the first control unit is further configured to be communicatively connected to switches and indicator light assemblies of the electrical switchgear through the interface module;
the second control unit is also used for being in communication connection with the switch and an indicator light assembly through the interface module;
the interface module is further configured to switch a communication line between the failed control unit and the switch and indicator light assembly to the other control unit in response to a failure of the first control unit or the second control unit.
Optionally, the switch input module is configured to receive various switching values or analog values of the electrical switchgear;
the switch output module is used for outputting various switching values or analog values of the electrical switch cabinet.
Optionally, the first control unit and the second control unit are detachably mounted in the electrical switchgear, respectively.
An electrical switchgear comprising a monitoring device as described above.
On the basis of the common knowledge in the field, the preferable conditions can be combined at will to obtain the preferable embodiments of the invention.
The utility model discloses an actively advance the effect and lie in:
the utility model provides an electrical switch cabinet and supervisory equipment thereof utilizes two sets of independent control unit that contain processor module and communication module to realize the communication connection between the control unit and other electrical components with interface module to through many communication channel and host computer communication, realize the redundancy protection to intelligent electrical monitoring management system, thereby greatly promoted whole electrical system's security, be favorable to follow-up maintenance to change simultaneously.
Drawings
The features and advantages of the present disclosure may be better understood upon reading the detailed description of embodiments of the disclosure in conjunction with the following drawings. In the drawings, components are not necessarily drawn to scale, and components having similar relative characteristics or features may have the same or similar reference numerals.
Fig. 1 is a schematic partial structural view of an electrical switchgear according to an embodiment of the present invention.
Description of reference numerals:
1 monitoring equipment;
11 an interface module;
12 a first control unit;
121 a first processor module;
122 a first communication module;
13 a second control unit;
131 a second processor module;
132 a second communication module;
2 an electrical switchgear;
21 a switch input module;
22 a switch output module;
23, industrial control screen;
and 3, an upper computer.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It is noted that the aspects described below in connection with the figures and the specific embodiments are only exemplary and should not be understood as imposing any limitation on the scope of the present invention.
The following description is presented to enable any person skilled in the art to make and use the invention and is incorporated in the context of a particular application. Various modifications, as well as various uses in different applications will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to a wide range of embodiments. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
In the following detailed description, numerous specific details are set forth in order to provide a more thorough understanding of the invention. It will be apparent, however, to one skilled in the art that the practice of the invention may not necessarily be limited to these specific details. In other instances, well-known structures and devices are shown in block diagram form, rather than in detail, in order to avoid obscuring the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Additionally, the terms "upper," "lower," "left," "right," "top," "bottom," "horizontal," "vertical" and the like as used in the following description are to be understood as referring to the segment and the associated drawings in the illustrated orientation. The relative terms are used for convenience of description only and do not imply that the described apparatus should be constructed or operated in a particular orientation, and therefore should not be construed as limiting the invention.
It will be understood that, although the terms first, second, third, etc. may be used herein to describe various elements, regions, layers and/or sections, these elements, regions, layers and/or sections should not be limited by these terms, but rather are used to distinguish one element, region, layer and/or section from another element, region, layer and/or section. Thus, a first component, region, layer and/or section discussed below could be termed a second component, region, layer and/or section without departing from some embodiments of the present invention.
Along with the development of novel electrical switch cabinet technology, an electrical monitoring management system taking a processor module as a core appears, the novel monitoring management system can directly connect the secondary circuit of a switch output module of switching values or analog quantities such as various sensors, monitoring signals, manual switches and the like to the processor module for processing through switch input modules of the switching quantities or the analog quantities, such as circuit breaking protection, relay control, motor control and the like, and is communicated with other processors or upper computers through a communication module in a unified manner, various electrician indicating instruments, relay protectors, communication interfaces and switch elements are omitted, and secondary wiring is simplified.
However, after all the electrical functions are integrated into one processor module, the operation of the whole circuit depends on the normal work of the processor module and the communication module, and once the processor module or the communication module fails, the whole related electrical system is put into a breakdown, which is not acceptable in electrical systems with extremely high requirements on safety.
In order to overcome the above-mentioned drawbacks that currently exist, the present embodiment provides a monitoring device of an electrical switchgear, the monitoring device comprising: the interface module is used for being in communication connection with the switch input module and the switch output module of the electrical switch cabinet respectively; the first control unit is used for being in communication connection with the switch input module and the switch output module through the interface module respectively and also used for being in communication connection with an upper computer, and the first control unit is configured to be in transmission with the switch input module, the switch output module and the upper computer respectively; and the second control unit is used for being in communication connection with the switch input module and the switch output module through the interface module respectively and is also used for being in communication connection with an upper computer, the second control unit is configured to be in transmission with the switch input module, the switch output module and the upper computer respectively, and the interface module is configured to respond to failure of the first control unit or the second control unit and switch a communication line between the failed control unit and the switch input module and the switch output module to another control unit.
The embodiment provides a way that two independent control units comprising a processor module and a communication module are used in the intelligent monitoring equipment, and the normal operation of the whole electrical system is not influenced by the failure of a single control unit.
Meanwhile, in order to simplify secondary wiring, other secondary circuits are configured to an interface module, and the two sets of control units realize butt joint of an electrical system and mutual communication of the two sets of control units through the interface module. The two sets of control units are one main control unit and one auxiliary control unit, only one main control unit is in a working state at ordinary times, the other main control unit is in a hot standby state, state information of the control units is monitored by an upper computer, and replacement and maintenance are carried out in time when a fault occurs, wherein when the main control unit fails, a fault signal can be transmitted to the other auxiliary control unit through an interface module, and the auxiliary control units take over to carry out control and communication so as to ensure that an electric system can still run normally.
Specifically, as an embodiment, as shown in fig. 1, a monitoring device 1 of an electrical switch cabinet 2 mainly includes an interface module 11, a first control unit 12, and a second control unit 13, and the electrical switch cabinet 2 further mainly includes a switch input module 21, a switch output module 22, and an industrial control screen 23.
The interface module 11 is used for communicating with the remote upper computer 3 through at least one communication channel to realize data transmission with the upper computer 3.
Preferably, as an embodiment, the interface module 11 is configured to be communicatively connected to the upper computer 3 through at least two communication channels (a first communication line and a second communication line) which are independent from each other and are not easily interrupted at the same time, and interruption of any one communication channel does not affect communication, so as to ensure reliable monitoring of the local electrical system in a remote manner.
The first control unit 12 mainly includes a first processor module 121 and a first communication module 122, the first processor module 121 is in communication connection with the first communication module 122, the first processor module 121 is used for being respectively in communication connection with the switch input module 21, the switch output module 22 and the industrial control screen 23 through the interface module 11, and the first communication module 122 is used for being in communication connection with the upper computer 3 through the interface module 11.
As another embodiment, the communication line may be directly led out from the first communication module 122 without passing through the interface module 11, that is, the first communication module 122 may be used to directly connect with the upper computer 3 through at least one communication channel.
The second control unit 13 mainly includes a second processor module 131 and a second communication module 132, the second processor module 131 is in communication connection with the second communication module 132, the second processor module 131 is used for being respectively in communication connection with the switch input module 21, the switch output module 22 and the industrial control screen 23 through the interface module 11, and the second communication module 132 is used for being in communication connection with the upper computer 3 through the interface module 11.
As another embodiment, the communication line may not be through the interface module 11, but directly led out from the second communication module 132, that is, the second communication module 132 may be used to directly connect with the upper computer 3 through at least one communication channel.
In this embodiment, the first control unit 12 and the second control unit 13 are respectively detachably installed in the electrical switch cabinet 2, and the control units are not directly connected to the secondary circuit, but connected through the interface module 11, so that the control units can be quickly and conveniently detached and installed, and maintenance and replacement work is easier to perform.
The switch input module 21 is used for receiving switching values or analog values of various sensors, monitoring signals, manual switches and the like of the electrical switch cabinet 1, and inputting various signals to the control unit through the interface module 11.
The switch output module 22 is used for acquiring various signals from the control unit through the interface module 11, and outputting various switching values or analog values of the electrical switch cabinet 1, such as open circuit protection, relay control, motor control and the like.
The industrial control screen 23 is used for acquiring various display signals from the control unit through the interface module 11, and is also used for feeding back the received control signals to the control unit through the interface module 11.
As another example, when the information and control operations displayed locally are small, it is contemplated to eliminate the industrial control screen and use switches and indicator light assemblies (not shown) to save costs.
At this time, the first control unit 12 is also used for communication with the switch and indicator light assemblies of the electrical switchgear cabinet through the interface module 11, and the second control unit 13 is also used for communication with the switch and indicator light assemblies through the interface module 11.
The first control unit 12 is also configured to upload the own state information to the upper computer 3, and the second control unit 13 is also configured to upload the own state information to the upper computer 3.
The upper computer 3 is configured to perform fault determination based on the acquired state information of the first control unit 12 or the second control unit 13, and feed back a corresponding fault signal to the monitoring apparatus 1.
The interface module 11 is further configured to acquire a fault signal of the first control unit 12 or the second control unit 13 from the upper computer 3.
As another embodiment, the interface module 11 is further configured to acquire the fault signal of the first control unit 12 or the second control unit 13 from the upper computer 3 through the first control unit 12 or the second control unit 13.
The interface module 11 is configured to switch, in response to a failure of the first control unit 12 or the second control unit 13, a communication line between the failed control unit and each of the switch input module 21, the switch output module 22, and the industrial control screen 23 to the other control unit.
As another embodiment, the interface module 11 is further configured to switch the communication line between the failed control unit and the switch and indicator light assembly to the other control unit in response to the failure of the first control unit 12 or the second control unit 13.
The supervisory equipment of electrical switchgear that this embodiment provided mainly has following beneficial effect:
1. the electric control system is provided with two sets of control units which are independent to each other and comprise a processor module and a communication module, so that redundancy of control and communication is increased, and safety and reliability of the electric system are improved.
2. At least two independent communication channels are arranged between the interface module and the remote upper computer, and the channels are not easy to interrupt simultaneously, so that the redundancy of communication is increased, and the safety and the reliability of an electrical system are further improved.
3. The control unit is not directly connected with the secondary loop, but is switched by the interface module, the control unit can be conveniently disassembled and assembled, and mutual communication is realized in the interface module, so that the disassembly, assembly and replacement are convenient, and the subsequent maintenance is convenient.
The present embodiments also provide an electrical switchgear comprising a monitoring device as described above.
The various illustrative logical modules, and circuits described in connection with the embodiments disclosed herein may be implemented or performed with a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described herein. A general purpose processor may be a microprocessor, but in the alternative, the processor may be any conventional processor, controller, microcontroller, or state machine. A processor may also be implemented as a combination of computing devices, e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an ASIC. The ASIC may reside in a user terminal. In the alternative, the processor and the storage medium may reside as discrete components in a user terminal.
In one or more exemplary embodiments, the functions described may be implemented in hardware, software, firmware, or any combination thereof. If implemented in software as a computer program product, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a computer. By way of example, and not limitation, such computer-readable media can comprise RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer. Any connection is properly termed a computer-readable medium. For example, if the software is transmitted from a web site, server, or other remote source using a coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), or wireless technologies such as infrared, radio, and microwave, then the coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwave are included in the definition of medium. Disk (disk) and disc (disc), as used herein, includes Compact Disc (CD), laser disc, optical disc, Digital Versatile Disc (DVD), floppy disk and blu-ray disc where disks (disks) usually reproduce data magnetically, while discs (discs) reproduce data optically with lasers. Combinations of the above should also be included within the scope of computer-readable media.
The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other variations without departing from the spirit or scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A monitoring device of an electrical switchgear, characterized in that it comprises:
the interface module is used for being in communication connection with the switch input module and the switch output module of the electrical switch cabinet respectively;
the first control unit is used for being in communication connection with the switch input module and the switch output module through the interface module respectively and also used for being in communication connection with an upper computer, and the first control unit is configured to be in transmission with the switch input module, the switch output module and the upper computer respectively; and the number of the first and second groups,
a second control unit, configured to be in communication connection with the switch input module and the switch output module through the interface module, respectively, and also in communication connection with an upper computer, and configured to transmit various types of signals with the switch input module, the switch output module, and the upper computer, respectively,
the interface module is configured to: and responding to the failure of the first control unit or the second control unit, and switching a communication line between the failed control unit and the switch input module and a communication line between the failed control unit and the switch output module to the other control unit.
2. The monitoring device of an electrical switchgear cabinet according to claim 1, characterized in that said first control unit comprises a first processor module and a first communication module;
the first processor module is in communication connection with the first communication module, the first processor module is used for being in communication connection with the switch input module and the switch output module through the interface module, and the first communication module is used for being in communication connection with the upper computer;
the second control unit comprises a second processor module and a second communication module;
the second processor module is in communication connection with the second communication module, the second processor module is used for being in communication connection with the switch input module and the switch output module through the interface module, and the second communication module is used for being in communication connection with the upper computer.
3. The monitoring device of an electrical switchgear cabinet according to claim 1, wherein the interface module is further adapted to be communicatively connected to the upper computer;
the interface module is further configured to acquire a fault signal of the first control unit or the second control unit from the upper computer.
4. The monitoring device of an electrical switchgear cabinet according to claim 3, wherein the interface module is further adapted to be communicatively connected to the upper computer via at least two mutually independent communication channels.
5. The monitoring device of an electrical switchgear cabinet according to claim 1, wherein the first control unit is configured to be communicatively connected to the upper computer via at least two mutually independent communication channels;
the second control unit is used for being in communication connection with the upper computer through at least two mutually independent communication channels;
the interface module is further configured to acquire a fault signal of the first control unit or the second control unit from the upper computer through the first control unit or the second control unit.
6. The monitoring device of an electrical switchgear cabinet according to claim 1, wherein the first control unit is further configured to be communicatively connected to an industrial control screen of the electrical switchgear cabinet via the interface module;
the second control unit is also used for being in communication connection with the industrial control screen through the interface module;
the interface module is further configured to: and responding to the failure of the first control unit or the second control unit, and switching a communication line between the failed control unit and the industrial control screen to the other control unit.
7. The monitoring device of an electrical switchgear cabinet according to claim 1, wherein the first control unit is further adapted to be communicatively connected with switches and indicator light assemblies of the electrical switchgear cabinet via the interface module;
the second control unit is also used for being in communication connection with the switch and an indicator light assembly through the interface module;
the interface module is further configured to: in response to a failure of the first control unit or the second control unit, switching a communication line between the failed control unit and the switch and indicator light assembly to the other control unit.
8. The monitoring device of an electrical switchgear cabinet according to claim 1, characterized in that the switch input module is adapted to receive a switching quantity or an analog quantity of the electrical switchgear cabinet;
the switch output module is used for outputting the switching value or the analog value of the electrical switch cabinet.
9. The monitoring device of an electrical switchgear according to any of the claims 1 to 8, wherein the first control unit and the second control unit are detachably mounted in the electrical switchgear, respectively.
10. An electrical switchgear, characterized in that it comprises a monitoring device of an electrical switchgear according to any of claims 1-9.
CN202020216400.7U 2020-02-26 2020-02-26 Electrical switch cabinet and monitoring equipment thereof Active CN212137381U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020216400.7U CN212137381U (en) 2020-02-26 2020-02-26 Electrical switch cabinet and monitoring equipment thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020216400.7U CN212137381U (en) 2020-02-26 2020-02-26 Electrical switch cabinet and monitoring equipment thereof

Publications (1)

Publication Number Publication Date
CN212137381U true CN212137381U (en) 2020-12-11

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