Summary of the invention
In order to overcome the shortcoming of prior art, the utility model provides the interim ground wire of a kind of work to use the message pick-up display device, the operating position of ground wire on the circuit that it can make the scheduling person on duty intuitively, directly grasp to be overhauled and this circuit, thus avoid the service work personnel to report the generation that completion causes mistuning degree situation by mistake.
The technical scheme in the invention for solving the technical problem is: it comprises:
Its incoming power of incoming power module is Switching Power Supply or rechargeable type direct supply, adopts capacitor C 1, C2, C4, C5 filtering, integrated package of pressure-stabilizing U1 voltage stabilizing, output VCC;
Ground wire uses information receiving module message pick-up chip U5 to carry out data communication by wireless data card and ground wire user, the 5th pin of message pick-up chip U5 connects 8 pin of level transferring chip U3,7 pin connect 7 pin of level transferring chip U3,14 pin meet positive VCC, 13 pin meet GND, 11 pin connect antenna, and the outer screen of antenna is kept away ground connection, and 9 pin connect the 12nd pin of message processing module U2; The information temporary storage that receives is gone into the buffer register of message pick-up chip U5,9 pin produced a look-at-me when reception information was arranged, make information processing chip U2 receive data, the information that information processing chip U2 will correctly receive information sends by message pick-up chip U5; Data between described U1 and the U5 are the serial transfer form, the data that U5 receives are by its 5th pin process level transferring chip U3 conversion logic level, received through 10th pin of switch transition by signalling channel selector switch chip U4 to U2, the information data that U2 need send is sent through its 11 human hair combing waste, carry out logic level transition through U3, the 7th pin by U5 receives, and is sent by U5;
This module of information transmission modular mainly contains J2, U3, U4 and peripheral components and forms, J2 is the serial interface plug that leads to the display part, U3 is a level transferring chip, U4 is the signalling channel selector switch, display and message pick-up chip U5 RS-232C standard communication, the C7 that 1,3 pin of described U3 connect is that voltage doubles charge pump electric capacity, 4, the C12 that connects of 5 pin is for transforming charge pump electric capacity, 1 pin of U3 is that anode, 3 pin are negative terminal, 2,6 pin of U3 are respectively the positive and negative voltage that charge pump produces, 16 pin of U3 meet VCC, and 15 pin meet GND; The effect of U4 allows U1 select to send data message with the U5 communication or to display, it is 1 years old, 2 pin are a switch, close, disconnected by the 13rd foot control system, they are 3 years old, 4 pin are a switch, close, disconnected by the 5th foot control system, they are 8 years old, 9 pin are a switch, close, disconnected by the 6th foot control system, they are 10 years old, 11 pin are a switch, close, disconnected by the 12nd foot control system, because U2 and U5, be the full duplex serial communication between U2 and the display, so when U2 and U5 communication, can produce a control signal by the 22nd pin of U2 with 12 of seasonal U5,13 pin are controlled, open two serial port communication lines of U2 and U5 simultaneously, in like manner, when U2 when display sends information, by the 21st foot control system of U2; Passage is when U2 and U5 communication: as the reception interruption or when U5 sends data, the P21 of U1 produces control signal, make 1 and 2 pin and 10 and 11 pin of U4 closed respectively, the ground wire that U5 receives uses the 8th pin input of information through U3, (meaning of Chinese is the triode logic level to export TTL by the 9th pin of U3, Transistor-Transistor Logic level 5V be logic just, 0V is that logic is negative.And the logic of RS232 just is being 12V, logic negative for-12V) level is again through the 2nd to the 1 pin conducting of U4, the 10th pin by U2 receives again, the data that U2 returns are sent by the 11st human hair combing waste of U2, be sent to the 10th pin of U3 through 11, the 10 pin conductings of U4, delivered to the 7th pin reception of U5 behind U3 conversion logic level by its 7th pin, U5 receives the back and sends by wireless network; U2 to the passage that display sends data is: when U2 receives ground wire that U5 sends when using information, just make its P20 pin produce a control signal, make 3 and 4 pin of U4 and 8 and 9 pin closed respectively.Signal data is imported to the 11st pin of U3 by 9,8 pin of the 11st human hair combing waste warp let-off U4 of U1, is delivered to the 2nd hole of J2 serial interface plug behind U3 conversion logic level by its 14th pin, and the 5th hole of J2 is a signal ground;
Its core of message processing module is information processing chip U2, C10, C11, Y1 form the clock circuit of U2, C13, R1 can make U2 automatically reset when powering on, C3, C6 are the power filtering capacitor of U2, and U2 the 10th, 11 pin are the full duplex communication serial ports of U2 and each peripheral hardware communication, and the 21st, 22 pin are the selecting side of U2 and display or U5 communication, when 21 pin are effective, for sending ground wire by serial ports to display, U2 uses information, when 22 pin are effective, for U2 and U5 carry out data communication; When U5 receives information, when U2 sent, its 9th pin was exported 12nd pin of a low level by U2 and U2 is produced interrupt, so that make U2 in time receive information, U2 again by 22 pin gatings and display communication, makes ground wire use information to show on display screen by after analyzing computing;
The information of information display module information display module shows the employing LCD, and the display information needed provides transmission by U2, and its demonstration is controlled by U2.
The utlity model has following advantage: 1, the normal geographical wiring diagram of this area under control electrical network that shows on the screen, when circuit is inspecting state, this circuit is the variable color blink states, demonstrate the total several teams and groups of this circuit simultaneously in the message box of screen below in work, it is respectively which group, one shared several groups of ground wires, which column foot institute's property-line is hung on respectively on.Having only all working ground wire of working as all to regain puts well, and all after the newspaper completion, this circuit just returns to normal condition, can intuitively, directly grasp the operating position of ground wire on the circuit that overhauled and this circuit by this device scheduling person on duty, thereby avoid the service work personnel to report the generation that completion causes mistuning degree situation by mistake; 2, this device can component voltage grade show, can select switching between the picture of total figure and each electric pressure by menu; 3, by China Mobile network transceive data information, guarantee its reliability.
Embodiment
It is to observe following rule that electric line send electricity at interruption maintenance with the maintenance completion: before maintainer's maintenance, the ground connection disconnecting link at transmission line of electricity two ends is necessary for the state of closing, (by traditional electrical verification, ground connection disconnecting link state can't be determined in standing), and should be able to allow the scheduling person on duty know what state this circuit is at this moment, in case maintenance beginning, the interim ground wire of work of scheduling duty room uses information display device to allow this circuit show with the variable color blink states on display, and the load disconnecting link at energy locking circuit two ends can not close by mistake, when making property-line, can allow the scheduling person on duty know that this circuit has several places to hang with interim ground wire, which be hung on the column foot, when the service work completion, have only institute's property-line complete removal, just can make this circuit on the display device of dispatching duty room recover normal condition, remove the line facility locking, the scheduling person on duty can be according to the demonstration of display device, the accurate traffic order of assigning.
As shown in drawings, it comprises:
Its incoming power of incoming power module is Switching Power Supply or rechargeable type direct supply, adopts capacitor C 1, C2, C4, C5 filtering, integrated package of pressure-stabilizing U1 voltage stabilizing, output VCC;
Ground wire uses information receiving module message pick-up chip U5 to carry out data communication by wireless data card and ground wire user, the 5th pin of message pick-up chip U5 connects 8 pin of level transferring chip U3,7 pin connect 7 pin of level transferring chip U3,14 pin meet positive VCC, 13 pin meet GND, 11 pin connect antenna, and the outer screen of antenna is kept away ground connection, and 9 pin connect the 12nd pin of message processing module U2; The information temporary storage that receives is gone into the buffer register of message pick-up chip U5,9 pin produced a look-at-me when reception information was arranged, make information processing chip U2 receive data, the information that information processing chip U2 will correctly receive information sends by message pick-up chip U5; Data between described U1 and the U5 are the serial transfer form, the data that U5 receives are by its 5th pin process level transferring chip U3 conversion logic level, received through 10th pin of switch transition by signalling channel selector switch chip U4 to U2, the information data that U2 need send is sent through its 11 human hair combing waste, carry out logic level transition through U3, the 7th pin by U5 receives, and is sent by U5; Wireless data card can according to circumstances adopt the product of arbitrary wireless telecommunications company;
This module of information transmission modular mainly contains J2, U3, U4 and peripheral components and forms, J2 is the serial interface plug that leads to the display part, U3 is a level transferring chip, U4 is the signalling channel selector switch, display and message pick-up chip U5 RS-232C standard communication, and the TTL logic level of the logic level of RS-232C standard code and U2 incompatible (Transistor-Transistor Logic level 5V be logic just, 0V is that logic is negative.And the logic of RS232 just is being 12V, logic is negative to be-12V), increased level transferring chip U3 when therefore connecting; The C7 that 1,3 pin of described U3 connect is that voltage doubles charge pump electric capacity, 4, the C12 that connects of 5 pin is for transforming charge pump electric capacity, and 1 pin of U3 is that anode, 3 pin are negative terminal, and 2,6 pin of U3 are respectively the positive and negative voltage that charge pump produces, 16 pin of U3 meet VCC, and 15 pin meet GND; The effect of U4 allows U1 select to send data message with the U5 communication or to display, it is 1 years old, 2 pin are a switch, close, disconnected by the 13rd foot control system, they are 3 years old, 4 pin are a switch, close, disconnected by the 5th foot control system, they are 8 years old, 9 pin are a switch, close, disconnected by the 6th foot control system, they are 10 years old, 11 pin are a switch, close, disconnected by the 12nd foot control system, because U2 and U5, be the full duplex serial communication between U2 and the display, so when U2 and U5 communication, can produce a control signal by the 22nd pin of U2 with 12 of seasonal U5,13 pin are controlled, open two serial port communication lines of U2 and U5 simultaneously, in like manner, when U2 when display sends information, by the 21st foot control system of U2; Passage is when U2 and U5 communication: as the reception interruption or when U5 sends data, the P21 of U1 produces control signal, make 1 and 2 pin and 10 each 11 pin of U4 closed respectively, the ground wire that U5 receives uses the 8th pin input of information through U3, (meaning of Chinese is that the meaning of Chinese is the triode logic level to export TTL by the 9th pin of U3, Transistor-Transistor Logic level 5V be logic just, 0V is that logic is negative.And the logic of RS232 just is being 12V, logic negative for-12V) level is again through the 2nd to the 1 pin conducting of U4, the 10th pin by U2 receives again, the data that U2 returns are sent by the 11st human hair combing waste of U2, be sent to the 10th pin of U3 through 11, the 10 pin conductings of U4, delivered to the 7th pin reception of U5 behind U3 conversion logic level by its 7th pin, U5 receives the back and sends by wireless network; U2 to the passage that display sends data is: when U2 receives ground wire that U5 sends when using information, just make its P20 pin produce a control signal, make 3 and 4 pin of U4 and 8 and 9 pin closed respectively.Signal data is imported to the 11st pin of U3 by 9,8 pin of the 11st human hair combing waste warp let-off U4 of U1, is delivered to the 2nd hole of J2 serial interface plug behind U3 conversion logic level by its 14th pin, and the 5th hole of J2 is a signal ground;
Its core of message processing module is information processing chip U2, C10, C11, Y1 form the clock circuit of U2, C13, R1 can make U2 that U2 is automatically reset by choosing suitable parameters, C3, C6 are the power filtering capacitor of U2, can improve the power quality of supplying with U2, U2 the 10th, 11 pin are the full duplex communication serial ports of U2 and each peripheral hardware communication, 21st, 22 pin are the selecting side of U2 and display or U5 communication, when 21 pin are effective, for sending ground wire by serial ports to display, U2 uses information, when 22 pin are effective, for U2 and U5 carry out data communication; When U5 receives information, when U2 sent, its 9th pin was exported 12nd pin of a low level by U2 and U2 is produced interrupt, so that make U2 in time receive information, U2 again by 22 pin gatings and display communication, makes ground wire use information to show on display screen by after analyzing computing;
Show the employing LCD with the information of information display module information display module, the display information needed provides transmission by U2, and its demonstration is controlled by U2.
The transmitting-receiving of information and control: circuit is in when sending electricity condition or stand-by state, this circuit shows with normal mode on electrical network tie lines figure, when scheduling is ordered transformer station when closing the ground connection cutter, device detects after the ground connection cutter closes in standing, send an information to this display device of scheduling place, after the U5 reception, U5 the 9th pin produces the outer look-at-me of a U2, make the P21 human hair combing waste of U2 go out a useful signal and deliver to the 12nd of U4,13 pin, make 1 and 2 of U4,10 and 11 pin conductings, like this, the information of U5 is just delivered to the 8th pin of U3 from its 5th pin, behind U3 conversion logic level, deliver to the 2nd pin of U4, pass to the 10th pin reception of U2 again through the 1st pin from its 9th pin.The control information that receives back U2 goes out to deliver to 11 pin of U4 from the 11st human hair combing waste, delivers to 10 pin of U3 again from the 10th pin of U4, after level conversion, delivers to 7 pin of U5 from 7 pin of U3, and U5 sends to station end apparatus after receiving, and produces block signal, locking load disconnecting link.After the ground connection disconnecting link at circuit two ends all closes, the maintenance application that send this circuit as if the maintainer by corollary apparatus this moment, display device is just replied the line maintenance permission, otherwise does not allow maintenance not go into operation.When ground wire used, the information that U5 receives (comprising ground wire quantity, envelope extension position) with same passage, was sent to U2.
Information processing and demonstration: after U2 permission service work, this circuit is heterochromatic flicker and shows on display screen, U2 is such to the passage that display sends information, produce the 5th, 6 pin that a useful signal is delivered to U4 at its P20 pin, data are delivered to the 9th pin of U4 from the 11st human hair combing waste of U2, deliver to the 11st pin of U3 again from the 8th pin of U4, after 14 pin of U3 are delivered to the 2nd pin of J2, deliver to display device through Serial Port Line again through level conversion.By display, make the scheduling person on duty can see intuitively just whether this circuit has service work, in case there is wrong report to be completed, be unlikely to assign to send cable order by mistake.Thereby having stopped to report by mistake is completed, the generation of mistuning degree accident.