CN114123478A - Coal mine high-voltage switch cabinet protection system - Google Patents
Coal mine high-voltage switch cabinet protection system Download PDFInfo
- 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
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- China
- Prior art keywords
- module
- switch cabinet
- sensor
- protection system
- voltage switch
- Prior art date
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- Pending
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- 239000003245 coal Substances 0.000 title claims abstract description 17
- 230000008054 signal transmission Effects 0.000 claims abstract description 18
- 238000003860 storage Methods 0.000 claims description 2
- 230000007257 malfunction Effects 0.000 claims 2
- 238000005520 cutting process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit 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
- H02J13/00002—Circuit 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING 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
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0092—Details of emergency protective circuit arrangements concerning the data processing means, e.g. expert systems, neural networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency 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
- H02H7/22—Emergency 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit 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
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00034—Systems 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
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/14—Protecting 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
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.
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.
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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2020
- 2020-08-28 CN CN202010881793.8A patent/CN114123478A/en active Pending
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WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220301 |
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