CN106026401B - Intelligent public transformer device for electronic sand table - Google Patents
Intelligent public transformer device for electronic sand table Download PDFInfo
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- CN106026401B CN106026401B CN201610519582.3A CN201610519582A CN106026401B CN 106026401 B CN106026401 B CN 106026401B CN 201610519582 A CN201610519582 A CN 201610519582A CN 106026401 B CN106026401 B CN 106026401B
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- 239000004576 sand Substances 0.000 title claims abstract description 39
- 238000012423 maintenance Methods 0.000 claims abstract description 56
- 239000003990 capacitor Substances 0.000 claims description 36
- 230000010355 oscillation Effects 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 8
- 235000015429 Mirabilis expansa Nutrition 0.000 claims description 7
- 244000294411 Mirabilis expansa Species 0.000 claims description 7
- 235000013536 miso Nutrition 0.000 claims description 7
- 230000005236 sound signal Effects 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 11
- 238000004891 communication Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 238000012800 visualization Methods 0.000 description 1
Classifications
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- H02J13/0006—
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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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
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- General Engineering & Computer Science (AREA)
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- Small-Scale Networks (AREA)
Abstract
The invention discloses an intelligent public transformer device for an electronic sand table, which comprises a public transformer coupled with an external power grid and an intelligent terminal coupled with an external electronic sand table system, wherein the public transformer is coupled with the intelligent terminal, and the intelligent terminal comprises: the RFID tag comprises a tag body, an RFID reader, a control circuit and an Ethernet circuit. According to the intelligent public transformer device for the electronic sand table, the identification of maintenance personnel can be effectively realized through the arrangement of the tag and the RFID reader-writer, and the data of the maintenance personnel can be effectively communicated with an external electronic sand table system through the arrangement of the control circuit and the Ethernet circuit, so that the effective recording of the maintenance work of the maintenance personnel is effectively completed.
Description
Technical Field
The invention relates to a transformer, in particular to an intelligent public transformer device for an electronic sand table.
Background
The electric energy source is an important energy source in the modern society at present, the position in the modern city is important, the modern city can not operate completely if no electric energy exists, the existing electric energy source is transmitted to each electric mechanism in the city through a power distribution network, the modern city is large in electric mechanism, and the user quantity is huge, so that the modern power distribution network is quite complex in structure and difficult to manage, and when a circuit in a certain area has a problem, the circuit is quite difficult to maintain.
The existing power grid maintenance method is that the fault position is reported manually, then maintenance personnel arrive at the fault position and report to the power office through a telephone, so that the maintenance personnel can carry out maintenance, the power office is matched with power failure, the maintenance personnel can carry out effective maintenance, the existing power grid is powered on a region through a public transformer, thus when the power failure occurs in the region, the maintenance personnel needs to carry out power failure from the public transformer and report to the power office and then go to a fault point for maintenance, on one hand, the maintenance personnel easily forget to report to the power office in the maintenance process, thus, the personnel management has loopholes, and in the maintenance process of carrying out power failure on the public transformer by the maintenance personnel, the voltage of the public transformer is generally higher, and the existing power failure is easily caused by manual power failure of the personnel, so that the electric shock problem is easy to occur, and the safety is not high.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an intelligent public transformer device for an electronic sand table, which can effectively manage maintenance personnel and has high safety.
In order to achieve the above purpose, the present invention provides the following technical solutions: public variable device of intelligence that electronic sand table was used, its characterized in that: including with the public transformer of external electric wire netting coupling and with the intelligent terminal of external electronic sand table system coupling, public transformer couples with intelligent terminal, intelligent terminal includes:
The label stores ID numbers, distributes the ID numbers to each power maintenance person and binds the ID numbers with the power maintenance person, and one power maintenance person corresponds to one ID number label;
The RFID reader-writer is arranged on the public transformer and used for scanning and identifying the ID number on the label and outputting a data packet corresponding to the ID number after the identification is completed;
the control circuit is coupled with a storage circuit internally storing maintenance personnel data and is coupled with the RFID reader-writer to receive the data packet output by the RFID reader-writer, compares the data packet with the maintenance personnel data in the storage circuit and outputs the data packet with time data and address data after comparison;
The Ethernet circuit is coupled with the control circuit and the external electronic sand table system through the Ethernet, so as to receive the data packet sent by the control circuit, compile the data packet through the Ethernet protocol and send the data packet to the external electronic sand table system through the Ethernet for recording.
As a further improvement of the present invention, the RFID reader/writer includes:
an antenna arranged on the common transformer for scanning the tag;
The RFID read-write chip U3, the RFID read-write chip U3 has a serial interface MISO, a serial interface MISD, a clock interface SCK, an output buffer interface TX1, an output buffer interface TX2, an analog interface VMID, a power supply interface TVSS, and an input analog interface RX, wherein the serial interface MISO, the serial interface MISD, and the clock interface SCK are all coupled to the control circuit 4, the output buffer interface TX1 is coupled to the antenna after being coupled to the capacitor C3, the output buffer interface TX2 is coupled to the antenna after being coupled to the capacitor C6, the inductor L1 is coupled to the antenna after being coupled to the capacitor C2, the other end connected to the output buffer interface TX1 is coupled to the other end connected to the inductor L2 with respect to the output buffer interface TX2, the input analog interface RX is coupled to the node between the capacitor C3 and the resistor R1 after being coupled to the capacitor C4 and the capacitor C5 after being coupled to the capacitor C6, the capacitor C2 is coupled to the capacitor C4 after being coupled to the capacitor C2 after being coupled to the capacitor C6, and the capacitor C4 is coupled to the analog interface after being coupled to the capacitor C2 after being coupled to the capacitor C1.
As a further improvement of the present invention, the control circuit includes:
The main control chip U1 is provided with a plurality of I/O interfaces, a reset interface and an oscillation interface, wherein the reset interface is coupled with a reset circuit and then is coupled with a power supply, the oscillation interface is coupled with an oscillation circuit and then is grounded, the I/O interfaces are divided into four groups, the P0.0 interface is a zeroth group to the P0.7 interface, the P1.0 interface is a first group to the P1.7 interface, the P2.0 interface is a second group to the P2.7 interface, the P3.0 interface is a third group to the P3.7 interface, the I/O interfaces of the second group are all coupled with an Ethernet circuit, the I/O interfaces of the zeroth group are coupled with a nixie tube S and then are coupled with the power supply, the P1.0 interface to the P1.6 interface of the first group are all coupled with an RFID reader-writer and then exchange data with the RFID reader-writer, the P1.7 interface is coupled with a switch circuit, the switch circuit comprises a relay and a drive circuit for driving the relay, the switch circuit is coupled with the power grid and then is coupled with the P3.7 to the power supply, the switch circuit is coupled with the power grid, the switch circuit is coupled with the P3.7, the switch circuit is coupled with the power grid, the power supply is connected with the power supply, the voice-on-off circuit is coupled with the power supply, the voice signal is stored in the power supply, and the voice signal is stored in the voice broadcast circuit, and the voice broadcast signal is coupled with the 3.3.
As a further improvement of the present invention, the driving circuit includes:
The optical coupler G is provided with an input end and an output end, the input end of the optical coupler G is coupled with the P1.7 interface of the main control chip U1, and the output end outputs a driving signal;
A thyristor J having a first end coupled to the power supply, a second end coupled to the coil portion of the relay and then to ground, and a control end coupled to the output of the optocoupler G.
As a further improvement of the present invention, the memory circuit includes:
The memory chip U5 is provided with a serial address and data input/output pin SDA and a serial clock input pin SCL, wherein the serial address and data input/output pin SDA is coupled with the P3.0 pin of the main control chip U1, and the serial clock input pin SCL is coupled with the P3.1 pin of the main control chip U1.
As a further improvement of the present invention, the voice broadcasting circuit includes:
The voice broadcasting chip U4 is provided with an I/O interface P00, an I/O interface P01, an I/O interface P02, an audio output pin PWM+ and an audio output pin PWM-, wherein the audio output pin PWM+ and the audio output pin PWM-are coupled with a loudspeaker and then output sound signals, and the I/O interface P00, the I/O interface P01 and the I/O interface P02 are respectively coupled with a P3.2 interface, a P3.3 interface and a P3.4 interface of the main control chip U1 in a one-to-one correspondence.
As a further improvement of the present invention, the ethernet circuit includes:
The model of the Ethernet chip U2 is DM9000AEP, the data address multiplexing bus pins SD 0-SD 7 of the Ethernet chip U2 are coupled with the I/O interface of the control circuit, the writing signal pin WR and the reading signal pin RD of the Ethernet chip U2 are both coupled with the I/O interface of the control circuit, the physical layer interface of the Ethernet chip U2 is coupled with a network transformer U6 and then is coupled with a network socket, and the network socket is coupled with an external electronic sand table system.
As a further improvement of the present invention, the network transformer U6 includes:
A transformer chip having an input port coupled to the physical layer interface of the ethernet chip U2 and an output port coupled to the network jack.
As a further improvement of the invention, the shell of the intelligent terminal is sleeved with the shielding shell, the shielding shell is spherical, the shielding shell consists of a conductive layer and an insulating layer, the conductive layer is grounded, and the insulating layer is arranged on the inner side of the conductive layer.
The invention has the beneficial effects that the electric energy output by the power distribution network can be transformed through the arrangement of the public transformer, so that the electric energy can supply power to each electric equipment, the public transformer can be effectively connected with an external electronic sand table system through the arrangement of the intelligent terminal, the uniqueness of the tag can be effectively utilized through the arrangement of the tag and the RFID reader-writer of the intelligent terminal, which ID number is used for operating the public transformer is identified, the communication with the external electronic sand table system can be effectively realized through the arrangement of the control circuit, the storage circuit and the Ethernet circuit, the data of maintenance personnel is downloaded into the storage circuit, then the comparison of the control circuit is used for identifying the maintenance personnel corresponding to the ID number, and the data packet with time data and address data can be effectively output through the control circuit, so that the registration of the operation of the public transformer can be known when and where, and the problem that the maintenance personnel forget to report in the prior art is avoided.
Drawings
FIG. 1 is a circuit diagram of an RFID reader of an intelligent public transformer device for an electronic sand table of the invention;
FIG. 2 is a circuit diagram of a control circuit of the intelligent public transformer device for the electronic sand table of the invention;
FIG. 3 is a circuit diagram of an Ethernet circuit of the intelligent public transformer device for the electronic sand table of the invention;
fig. 4 is an overall structure diagram of an intelligent public transformer device for an electronic sand table.
Detailed Description
The invention will be further described in detail with reference to examples of embodiments shown in the drawings.
Referring to fig. 1 to 4, an intelligent public transformer device for an electronic sand table according to this embodiment is characterized in that: comprising a public transformer 1 coupled to an external power grid and a smart terminal 2 coupled to an external electronic sand table system, the public transformer 1 being coupled to the smart terminal 2, the smart terminal 2 comprising:
The label stores ID numbers, distributes the ID numbers to each power maintenance person and binds the ID numbers with the power maintenance person, and one power maintenance person corresponds to one ID number label;
The RFID reader-writer 3 is arranged on the public transformer 1 and is used for scanning and identifying the ID number on the label and outputting a data packet corresponding to the ID number after the identification is completed;
The control circuit 4 is coupled with a storage circuit 7 internally storing maintenance personnel data and is coupled with the RFID reader-writer 3 to receive the data packet output by the RFID reader-writer 3, compare the data packet with the maintenance personnel data in the storage circuit 7 and output the data packet with time data and address data after comparison;
The ethernet circuit 5 is coupled to the control circuit 4 and is coupled to the external electronic sand table system through the ethernet, so as to receive the data packet sent by the control circuit 4, compile the data packet through the ethernet protocol, send the data packet to the external electronic sand table system through the ethernet to record, when the power grid in a certain area needs to be maintained, the maintenance personnel needs to reach the vicinity of the public transformer 1 with the corresponding tag, then the RFID reader 3 effectively detects the tag, sends the ID number corresponding to the tag to the control circuit 4, the control circuit 4 downloads the maintenance personnel data from the external electronic sand table system through the ethernet circuit 5 to the storage circuit 7, then the maintenance personnel data is called out from the storage circuit 7, compares the ID number with the maintenance personnel data, finds the maintenance personnel corresponding to the ID number, and then increases the time data and the address data on the data of the maintenance personnel corresponding to the ID number and sends the data to the external electronic sand table system through the ethernet circuit 5, so that the intelligent terminal 2 can automatically recognize which maintenance personnel is in the place when the power grid is effectively managed, and the existing vulnerability can be avoided.
As an improved embodiment, the RFID reader 3 includes:
An antenna 31 provided on the common transformer 1 for scanning the tag; the RFID read-write chip U3 comprises a serial interface MISO, a serial interface MISD, a clock interface SCK, an output buffer interface TX1, an output buffer interface TX2, an analog interface VMID, a power interface TVSS and an input analog interface RX, wherein the serial interface MISO, the serial interface MISD and the clock interface SCK are all coupled with a control circuit 4, the output buffer interface TX1 is coupled with an inductor L1 and then coupled with a capacitor C3 and then coupled with a resistor R1 and then coupled with an antenna 31, the output buffer interface TX2 is coupled with an inductor L2 and then coupled with a capacitor C6 and then coupled with the antenna 31, the inductor L1 is coupled with the other end connected with the output buffer interface TX1 and then coupled with the other end connected with the inductor L2 relative to the output buffer interface TX2, the input analog interface RX is coupled with a mutual series resistor R3 and a capacitor C7 and then coupled with a node between the capacitor C3 and the resistor R1, the antenna 31 is effectively matched with the antenna 31 to read and identify the ID number of the tag through the arrangement of the RFID read-write chip U3, and can effectively perform direct data communication with the control circuit 4 through the arrangement of the serial interface MISO, the serial interface MISD and the clock interface SCK, so that an additional communication circuit is not needed, the circuit structure is simplified, the antenna 31 can be effectively driven to work through the arrangement of the output buffer interface TX1 and the output buffer interface TX2, and an additional antenna driving circuit is not needed, the circuit structure is simplified, and meanwhile, the ID number of the identification tag can be effectively matched with the antenna 31 through the arrangement of the analog interface VMID, the power interface TVSS and the input analog interface RX, so that the circuit structure is simple and convenient to realize.
As an improved embodiment, the control circuit 4 includes:
The main control chip U1 is provided with a plurality of I/O interfaces, a reset interface and an oscillation interface, wherein the reset interface is coupled with a reset circuit and then is coupled with a power supply, the oscillation interface is coupled with an oscillation circuit and then is grounded, the I/O interfaces are divided into four groups, the P0.0 interface is a zero group, the P1.0 interface is a first group, the P1.0 interface is a P1.7 interface, the P2.0 interface is a second group, the P3.0 interface is a third group, the P3.0 interface is a P3.7 interface, the second group I/O interfaces are all coupled with an Ethernet circuit 5, the zero group I/O interface is coupled with a nixie tube S and then is coupled with the power supply, the P1.0 interface is all coupled with an RFID reader-writer 3 for data exchange with the RFID reader-writer 3, the P1.7 interface is coupled with a switch circuit 6, the switch circuit 6 comprises a relay 61 and a driving circuit 62 for driving the relay 61, the switch part of the relay 61 is coupled between the public transformer 1 and the external power grid to control the on-off of the public transformer 1 and the external power grid, the coil part is coupled to the driving circuit 62 and then coupled to the power supply, the driving circuit 62 is coupled to the P1.7 interface, the third group of the P3.0 interface and the P3.1 interface are coupled to the storage circuit 7 to communicate with the storage circuit 7, call data or store data into the storage circuit 7, the interfaces P3.1 to P3.4 are coupled to the voice broadcasting circuit 8 to input voice signals to the voice broadcasting circuit 8, so that the voice broadcasting circuit 8 can broadcast voice through the arrangement of four groups of the I/O interfaces, enough communication interfaces to the ethernet circuit 5 and the RFID reader-writer 3 can be effectively provided, thus no additional signal conversion circuit is required, and through the arrangement of the relay 61, the connection between the public transformer 1 and an external power grid can be automatically disconnected when the RFID reader-writer 3 reads the ID number by matching with the driving circuit 62, so that the safety is greatly improved, the maintenance time and the maintenance content can be displayed in the maintenance process through the arrangement of the nixie tube, the maintenance content is represented by code numbers and corresponds to the data in the electronic sand table system, such as 1 represents line maintenance, 2 represents equipment maintenance and the like, the visualization of maintenance can be realized, accidents are avoided, and simultaneously, the voice of the maintenance can be broadcasted in the maintenance process through the arrangement of the voice broadcasting circuit 8, so that a user knows that the power grid is being maintained, and each user does not need to know.
In one embodiment of the improvement, the driving circuit 62 includes:
The optical coupler G is provided with an input end and an output end, the input end of the optical coupler G is coupled with the P1.7 interface of the main control chip U1, and the output end outputs a driving signal;
the thyristor J is provided with a first end, a second end and a control end, wherein the first end is coupled with a power supply, the second end is coupled with a coil part of the relay 61 and then grounded, the control end is coupled with an output end of the optical coupler G, the effect of photoelectric isolation can be realized through the arrangement of the optical coupler G, the electric interference is avoided, the effect of controlling large current with small current can be realized through the arrangement of the thyristor J, and the relay 61 is effectively driven to disconnect the common transformer 1.
As a specific embodiment of the improvement, the memory circuit 7 includes:
The memory chip U5, this memory chip U5 has serial address and data input/output input pin SDA and serial clock input pin SCL, serial address and data input/output pin SDA couple in master control chip U1's P3.0 pin, serial clock input pin SCL couples in master control chip U1's P3.1 pin, through the setting of memory chip U5, just can effectual realization data storage, so can match control circuit 4 to match maintenance personnel's data and ID number.
As an improved embodiment, the voice broadcasting circuit 8 includes:
The voice broadcasting chip U4 is provided with an I/O interface P00, an I/O interface P01, an I/O interface P02, an audio output pin PWM+ and an audio output pin PWM-, wherein the audio output pin PWM+ and the audio output pin PWM-are coupled with a loudspeaker and then output sound signals, the I/O interface P00, the I/O interface P01 and the I/O interface P02 are respectively coupled with a P3.2 interface, a P3.3 interface and a P3.4 interface of the main control chip U1 in one-to-one correspondence, and through the arrangement of the voice broadcasting chip U4, voice broadcasting of the loudspeaker can be effectively realized, and maintenance reminding is completed.
As an improved embodiment, the ethernet circuit 5 includes:
The model of the Ethernet chip U2 is DM9000AEP, the data address multiplexing bus pins SD 0-SD 7 are coupled with the I/O interface of the control circuit 4, the writing signal pin WR and the reading signal pin RD are both coupled with the I/O interface of the control circuit 4, the physical layer interface is coupled with the network transformer U6 and then is coupled with the network jack, the network jack is coupled with an external electronic sand table system, and the data packet can be compiled through an Ethernet communication protocol through the arrangement of the Ethernet chip U2 and then sent out by utilizing an Ethernet circuit, so that the Ethernet chip is very simple and convenient.
As an improved embodiment, the network transformer U6 includes:
The transformer chip is provided with an input port and an output port, the input port is coupled with the physical layer interface of the Ethernet chip U2, the output port is coupled with the network jack, and the isolation effect of the Ethernet chip U2 and the network jack can be realized through the arrangement of the transformer chip, so that the signal output by the Ethernet chip U2 is purer.
As a concrete implementation mode of improvement, the shell of intelligent terminal 2 has cup jointed the shield shell, the shield shell is spherical, the shield shell comprises conducting layer and insulating layer, the conducting layer ground connection, the insulating layer sets up the inboard at the conducting layer, just can realize electromagnetic shield through the setting of shield shell, has avoided the problem that the magnetic field of public transformer 1 influences intelligent terminal 2 work.
In summary, the voltage transformation effect on the power grid can be realized through the arrangement of the public transformer 1, so that a user can use electricity well, the identification of the ID number of the tag can be realized through the arrangement of the RFID reader-writer 3 and the tag, and the correspondence between the maintenance personnel data and the ID number can be realized through the arrangement of the control circuit 4, the Ethernet circuit 5 and the storage circuit 7, thereby effectively knowing the maintenance personnel at any time and any place, and avoiding the vulnerability of maintenance personnel management in the prior art.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (7)
1. Public variable device of intelligence that electronic sand table was used, its characterized in that: comprising a public transformer (1) coupled to an external grid and an intelligent terminal (2) coupled to an external electronic sand table system, the public transformer (1) being coupled to the intelligent terminal (2), the intelligent terminal (2) comprising:
The label stores ID numbers, distributes the ID numbers to each power maintenance person and binds the ID numbers with the power maintenance person, and one power maintenance person corresponds to one ID number label;
the RFID reader-writer (3) is arranged on the public transformer (1) and used for scanning and identifying the ID number on the label and outputting a data packet corresponding to the ID number after the identification is completed;
the control circuit (4) is coupled with a storage circuit (7) internally storing maintenance personnel data and is coupled with the RFID reader-writer (3) so as to receive the data packet output by the RFID reader-writer (3), compare the data packet with the maintenance personnel data in the storage circuit (7) and output the data packet with time data and address data after comparison;
the Ethernet circuit (5) is coupled with the control circuit (4) and is coupled with the external electronic sand table system through the Ethernet so as to receive the data packet sent by the control circuit (4), compile the data packet through an Ethernet protocol and then send the data packet to the external electronic sand table system through the Ethernet for recording;
the RFID reader/writer (3) includes:
an antenna (31) provided on the common transformer (1) for scanning the tag;
An RFID read-write chip U3, where the RFID read-write chip U3 has a serial interface MISO, a serial interface MISD, a clock interface SCK, an output buffer interface TX1, an output buffer interface TX2, an analog interface VMID, a power supply interface TVSS, and an input analog interface RX, where the serial interface MISO, the serial interface MISD, and the clock interface SCK are all coupled to the control circuit 4, the output buffer interface TX1 is coupled to a node between the capacitor C3 and the resistor R1 after being coupled to the inductor L1, the output buffer interface TX2 is coupled to the capacitor C2 and then coupled to the antenna (31) after being coupled to the capacitor C6, the inductor L1 is coupled to another end of the capacitor C2 connected to the output buffer interface TX1 and then coupled to the capacitor L2 in series with each other, the input analog interface RX is coupled to a node between the capacitor C3 and the resistor R1 after being coupled to the capacitor C4 and the capacitor C6 after being coupled to the capacitor C6 and then coupled to the capacitor C2 after being coupled to the capacitor C6, the capacitor C4 is coupled to the capacitor C2 after being coupled to the capacitor C1 and then coupled to the capacitor C5 after being coupled to the capacitor C1, and the analog interface is coupled to the capacitor C2 after being coupled to the capacitor C1;
The control circuit (4) includes:
The main control chip U1 is provided with a plurality of I/O interfaces, a reset interface and an oscillation interface, wherein the reset interface is coupled with a reset circuit and then is coupled with a power supply, the oscillation interface is coupled with the oscillation circuit and then is grounded, the I/O interfaces are divided into four groups, the P0.0 interface is a zero group, the P1.0 interface is a first group, the P2.0 interface is a second group, the P3.0 interface is a third group, the P3.7 interface is a second group, the second group I/O interface is coupled with an Ethernet circuit (5), the zero group I/O interface is coupled with a digital tube S and then is coupled with the power supply, the P1.0 interface in the first group is coupled with an RFID reader-writer (3) to exchange data with the RFID reader-writer (3), the P1.7 interface is coupled with a switch circuit (6), the switch circuit (6) comprises a switch circuit (61) and a drive circuit (62) which is coupled with a power grid (7) to a power supply (7), a voltage transformer (7) is coupled with a drive circuit (7) to a power supply (7), a voltage transformer (7) is coupled with a power supply circuit (7) to a power supply (7), a driver circuit (7) is coupled with a power supply circuit (7), a voltage transformer (7) is coupled with a driver circuit (7) and a part (7) is coupled with the power supply (7), the power supply is stored in the power supply, the power supply is connected with the power supply, inputting a voice signal to a voice broadcasting (8) circuit to enable the voice broadcasting circuit (8) to broadcast voice;
the shell of intelligent terminal (2) has cup jointed the shield shell, the shield shell is spherical, the shield shell comprises conducting layer and insulating layer, conducting layer ground connection, insulating layer setting is in the inboard of conducting layer.
2. The intelligent male transformer device for an electronic sand table of claim 1, wherein: the drive circuit (62) includes:
The optical coupler G is provided with an input end and an output end, the input end of the optical coupler G is coupled with the P1.7 interface of the main control chip U1, and the output end outputs a driving signal;
a thyristor J having a first end coupled to the power supply, a second end coupled to the coil portion of the relay (61) and then to ground, and a control end coupled to the output end of the optocoupler G.
3. The intelligent male transformer device for an electronic sand table of claim 1, wherein: the memory circuit (7) includes:
The memory chip U5 is provided with a serial address and data input/output pin SDA and a serial clock input pin SCL, wherein the serial address and data input/output pin SDA is coupled with the P3.0 pin of the main control chip U1, and the serial clock input pin SCL is coupled with the P3.1 pin of the main control chip U1.
4. The intelligent male transformer device for an electronic sand table of claim 1, wherein: the voice broadcasting circuit (8) includes:
The voice broadcasting chip U4 is provided with an I/O interface P00, an I/O interface P01, an I/O interface P02, an audio output pin PWM+ and an audio output pin PWM-, wherein the audio output pin PWM+ and the audio output pin PWM-are coupled with a loudspeaker and then output sound signals, and the I/O interface P00, the I/O interface P01 and the I/O interface P02 are respectively coupled with a P3.2 interface, a P3.3 interface and a P3.4 interface of the main control chip U1 in a one-to-one correspondence.
5. The intelligent male transformer device for an electronic sand table of claim 1, wherein: the Ethernet circuit (5) comprises:
The Ethernet chip U2, the model of the Ethernet chip U2 is DM9000AEP, the data address multiplexing bus pins SD 0-SD 7 are coupled with the I/O interface of the control circuit (4), the writing signal pin WR and the reading signal pin RD are both coupled with the I/O interface of the control circuit (4), the physical layer interface is coupled with the network transformer U6 and then is coupled with the network jack, and the network jack is coupled with the external electronic sand table system.
6. The intelligent male transformer for an electronic sand table of claim 5, wherein: the network transformer U6 includes:
A transformer chip having an input port coupled to the physical layer interface of the ethernet chip U2 and an output port coupled to the network jack.
7. The intelligent male transformer device for an electronic sand table of claim 1, wherein: the Ethernet circuit (5) comprises:
The Ethernet chip U2, the model of the Ethernet chip U2 is DM9000AEP, the data address multiplexing bus pins SD 0-SD 7 are coupled with the I/O interface of the control circuit (4), the writing signal pin WR and the reading signal pin RD are both coupled with the I/O interface of the control circuit (4), the physical layer interface is coupled with the network transformer U6 and then is coupled with the network jack, and the network jack is coupled with the external electronic sand table system.
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| CN201610519582.3A CN106026401B (en) | 2016-06-28 | 2016-06-28 | Intelligent public transformer device for electronic sand table |
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| WO2007140467A2 (en) * | 2006-05-31 | 2007-12-06 | Akros Silicon, Inc. | Ethernet module |
| TW200923645A (en) * | 2007-11-30 | 2009-06-01 | Zhi-Wei Wang | Patrol check operation interface and patrol check monitoring system using the interface |
| WO2011035058A1 (en) * | 2009-09-18 | 2011-03-24 | Schweitzer Engineering Laboratories, Inc. | Intelligent electronic device with segregated real-time ethernet |
| CN205753659U (en) * | 2016-06-28 | 2016-11-30 | 温州电力设计有限公司 | The intelligence of a kind of goods electronic sand map is public becomes device |
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2016
- 2016-06-28 CN CN201610519582.3A patent/CN106026401B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007140467A2 (en) * | 2006-05-31 | 2007-12-06 | Akros Silicon, Inc. | Ethernet module |
| TW200923645A (en) * | 2007-11-30 | 2009-06-01 | Zhi-Wei Wang | Patrol check operation interface and patrol check monitoring system using the interface |
| WO2011035058A1 (en) * | 2009-09-18 | 2011-03-24 | Schweitzer Engineering Laboratories, Inc. | Intelligent electronic device with segregated real-time ethernet |
| CN205753659U (en) * | 2016-06-28 | 2016-11-30 | 温州电力设计有限公司 | The intelligence of a kind of goods electronic sand map is public becomes device |
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