CN114123478A - Coal mine high-voltage switch cabinet protection system - Google Patents

Coal mine high-voltage switch cabinet protection system Download PDF

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Publication number
CN114123478A
CN114123478A CN202010881793.8A CN202010881793A CN114123478A CN 114123478 A CN114123478 A CN 114123478A CN 202010881793 A CN202010881793 A CN 202010881793A CN 114123478 A CN114123478 A CN 114123478A
Authority
CN
China
Prior art keywords
module
switch cabinet
sensor
protection system
voltage switch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010881793.8A
Other languages
Chinese (zh)
Inventor
黄华平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangzhou Zhengyang Electric Power Technology Co ltd
Original Assignee
Yangzhou Zhengyang Electric Power Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yangzhou Zhengyang Electric Power Technology Co ltd filed Critical Yangzhou Zhengyang Electric Power Technology Co ltd
Priority to CN202010881793.8A priority Critical patent/CN114123478A/en
Publication of CN114123478A publication Critical patent/CN114123478A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00Details of emergency protective circuit arrangements
    • H02H1/0092Details of emergency protective circuit arrangements concerning the data processing means, e.g. expert systems, neural networks
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02Details
    • H02H3/04Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/22Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00034Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/14Protecting elements, switches, relays or circuit breakers

Abstract

The invention relates to a coal mine high-voltage switch cabinet protection system which comprises a signal acquisition module, an embedded processor module, a signal transmission module and a fault alarm module, wherein the embedded processor module is respectively connected with the signal acquisition module, the signal transmission module and the fault alarm module, the signal transmission module is also connected with an aboveground upper computer, the signal acquisition module comprises a voltage sensor, a current sensor and a temperature sensor, and the voltage sensor, the current sensor and the temperature sensor are arranged in a switch cabinet. Through the structure, the signal acquisition module transmits the converted signal to the processor module. The processor module analyzes and calculates the monitored data, judges the running state of the equipment and stores the data. The signal transmission module transmits data in the processor to an upper computer on the well so as to be checked and patrolled by workers. After the high-voltage switch cabinet breaks down, the fault alarm module is responsible for cutting off the bus, stopping the switch cabinet and starting the buzzer to alarm.

Description

Coal mine high-voltage switch cabinet protection system
Technical Field
The invention relates to a coal mine high-voltage switch cabinet protection system.
Background
With the improvement of the automation degree of the coal mine, the requirements on the safety and the reliability of a power supply system are higher and higher. The mining high-voltage switch cabinet is generally used for underground parking lots and a main ventilator copper chamber and is responsible for distributing electric energy to mechanical power-on equipment. The coal mine high-voltage switch cabinet is used as an important device in a power supply system, and the working stability of the coal mine high-voltage switch cabinet is directly related to the production efficiency of an underground working face and the life safety of workers. The operation parameters of the high-voltage switch cabinet need to be monitored in real time, so that accidents such as fire disasters and the like caused by the fact that heat in the cabinet cannot be dissipated and the temperature rises for a long time are prevented. Therefore, the coal mine high-voltage switch cabinet protection system is designed for the underground high-voltage switch cabinet for ensuring the stability and the safety of the coal mine power supply system.
Disclosure of Invention
In order to overcome the defects, the invention provides a coal mine high-voltage switch cabinet protection system which has the advantages of small volume, low price and safe and reliable work, ensures the operation safety of the high-voltage switch cabinet, and can stably and efficiently supply power to coal mine electromechanical equipment.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a colliery high tension switchgear protection system, includes signal acquisition module, embedded processor module, signal transmission module and fault alarm module, and embedded processor module is connected with signal acquisition module, signal transmission module and fault alarm module respectively, and signal transmission module still with the host computer connection in the pit, signal acquisition module include voltage sensor, current sensor and temperature sensor, and voltage sensor, current sensor and temperature sensor establish in the cubical switchboard.
In a preferred embodiment of the invention, the embedded processor module comprises a processor, a system power module, a clock circuit, a memory circuit, a JTAG circuit, an alarm circuit and a reset circuit.
In a preferred embodiment of the invention, the temperature sensor is a DS18B20 digital temperature sensor, the current sensor is a Hall sensor, and the voltage sensor is a ZMPT101B type.
In a preferred embodiment of the present invention, the processor is STM32F103C8T6, and includes 7 timers, 2 SPI interfaces, and 3 USART interfaces.
The invention has the beneficial effects that: after adopting above-mentioned structure, signal acquisition module mainly comprises voltage, electric current and temperature sensor, transmits the signal after changing to the treater module. The processor module analyzes and calculates the monitored data, judges the running state of the equipment and stores the data. The signal transmission module transmits data in the processor to an upper computer on the well so as to be checked and patrolled by workers. After the high-voltage switch cabinet breaks down, the fault alarm module is responsible for cutting off the bus, stopping the switch cabinet and starting the buzzer to alarm.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic diagram of a processor architecture.
In the figure: 1. an acquisition module; 2. an embedded processor module; 21. a processor; 22. a system power supply module; 23. a clock circuit; 24. a storage circuit; 25. a JTAG circuit; 26. an alarm circuit; 27. a reset circuit; 3. a signal transmission module; 31. a voltage sensor; 32. a current sensor; 33. a temperature sensor; 4. a fault alarm module; 5. the upper computer of well.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
As shown in fig. 1 and 2, the coal mine high-voltage switch cabinet protection system comprises a signal acquisition module 1, an embedded processor module 2, a signal transmission module 3 and a fault alarm module 4, wherein the embedded processor module 2 is respectively connected with the signal acquisition module 1, the signal transmission module 3 and the fault alarm module 4, the signal transmission module 3 is further connected with an aboveground upper computer 5, the signal acquisition module 3 comprises a voltage sensor 31, a current sensor 32 and a temperature sensor 33, and the voltage sensor 31, the current sensor 32 and the temperature sensor 33 are arranged in a switch cabinet. Through the structure, the signal acquisition module transmits the converted signal to the processor module. The processor module analyzes and calculates the monitored data, judges the running state of the equipment and stores the data. The signal transmission module transmits data in the processor to an upper computer on the well so as to be checked and patrolled by workers. After the high-voltage switch cabinet breaks down, the fault alarm module is responsible for cutting off the bus, stopping the switch cabinet and starting the buzzer to alarm.
The embedded processor module 2 includes a processor 21, a system power module 22, a clock circuit 23, a memory circuit 24, a JTAG circuit 25, an alarm circuit 26, and a reset circuit 27. The protection circuit utilizes a Schmitt trigger model 4584, when the current exceeds a given value, the output signal of the comparison amplifier is compared, and the power supply is turned off to output people.
The temperature sensor 33 is a DS18B20 digital temperature sensor, the current sensor 32 is a hall sensor, and the voltage sensor 31 is a ZMPT101B type. The digital voltage, current and temperature sensors are adopted to monitor the working signals of the high-voltage switch cabinet, so that the anti-interference performance of the system is improved, and the influence of the underground environment on the accuracy of data acquisition is avoided. The temperature detection in the high-voltage switch cabinet is the main basis for judging whether a fault occurs, and the monitoring of voltage and current signals in the cabinet is convenient for maintenance in order to judge the position and the reason of the fault occurrence.
Processor 21 is STM32F103C8T6, and includes 7 timers, 2 SPI interfaces, and 3 USART interfaces. The STM32F103C8T6 microprocessor has strong environmental adaptability, a large number of interfaces and a better human-computer interaction function.
The coal mine high-voltage switch cabinet protection system comprises a signal acquisition module, an embedded processor module, a signal transmission module and a fault alarm module. The signal acquisition module mainly comprises voltage, current and temperature sensors, and transmits the converted signals to the processor module. The processor module analyzes and calculates the monitored data, judges the running state of the equipment and stores the data. The signal transmission module transmits data in the processor to an upper computer on the well so as to be checked and patrolled by workers. After the high-voltage switch cabinet breaks down, the fault alarm module is responsible for cutting off the bus, stopping the switch cabinet and starting the buzzer to alarm. The protection system has the advantages of small volume, low price, and safe and reliable work, ensures the safe operation of the high-voltage switch cabinet, and can supply power for coal mine electromechanical equipment stably and efficiently.
It is to be emphasized that: the above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (4)

1. The utility model provides a colliery high tension switchgear protection system, its characterized in that, includes signal acquisition module, embedded processor module, signal transmission module and malfunction alerting module, embedded processor module is connected with signal acquisition module, signal transmission module and malfunction alerting module respectively, signal transmission module still with aboveground host computer connection, signal acquisition module includes voltage sensor, current sensor and temperature sensor, voltage sensor, current sensor and temperature sensor establish in the cubical switchboard.
2. The coal mine high-voltage switch cabinet protection system according to claim 1, wherein the embedded processor module comprises a processor, a system power module, a clock circuit, a storage circuit, a JTAG circuit, an alarm circuit and a reset circuit.
3. The coal mine high voltage switch cabinet protection system according to claim 1, wherein the temperature sensor is a DS18B20 digital temperature sensor, the current sensor is a hall sensor, and the voltage sensor is of the ZMPT101B type.
4. The coal mine high voltage switch cabinet protection system according to claim 2, wherein the processor is STM32F103C8T6, and comprises 7 timers, 2 SPI interfaces, and 3 USART interfaces.
CN202010881793.8A 2020-08-28 2020-08-28 Coal mine high-voltage switch cabinet protection system Pending CN114123478A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010881793.8A CN114123478A (en) 2020-08-28 2020-08-28 Coal mine high-voltage switch cabinet protection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010881793.8A CN114123478A (en) 2020-08-28 2020-08-28 Coal mine high-voltage switch cabinet protection system

Publications (1)

Publication Number Publication Date
CN114123478A true CN114123478A (en) 2022-03-01

Family

ID=80374870

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010881793.8A Pending CN114123478A (en) 2020-08-28 2020-08-28 Coal mine high-voltage switch cabinet protection system

Country Status (1)

Country Link
CN (1) CN114123478A (en)

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WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20220301

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