Remote signaling signal acquisition device with protection measures

Abstract

A remote signaling signal acquisition device with protection measures belongs to the field of data acquisition and specifically comprises a power supply unit, an MCU microprocessor, a communication unit, a network module, a remote signaling loop access unit, a remote signaling voltage protection unit and a communication gateway machine. The remote signaling loop access unit accesses remote signaling signals, the MCU microprocessor provides an AD conversion sampling processing function, and the MCU microprocessor and the remote signaling loop access unit can convert voltage of auxiliary contact loops of a switch, a disconnecting link and the like of a transformer substation into remote signaling digital signals. And the remote signaling voltage protection unit is used for protecting auxiliary contact loops such as a switch and a disconnecting link of a transformer substation, preventing equipment from being damaged by mistaken high voltage, filtering interference pulses, protecting a remote signaling device and improving the accuracy of remote signaling data acquisition.

Description

Technical Field

[0001] The utility model belongs to the technical field of data acquisition, and particularly relates to a remote signal acquisition device for telecontrol signals with protection measures. Background Art

[0002] When dispatching personnel remotely manage the integrated automation system of a substation, they must accurately monitor the actual switch states of primary equipment such as switches and disconnectors in the substation. Currently, traditional telecontrol signal acquisition systems for switches, disconnectors, etc. do not have protection measures and there are certain safety problems. For example, when there is overvoltage in the telecontrol signal, it is easy to damage the equipment, and there is also the problem of false reporting of induction signals. Once a high voltage is connected in series to the telecontrol circuit, the equipment will be directly damaged. In addition, when there is an induced current, it is easy to cause false operation of the telecontrol signal. When the equipment is damaged due to overvoltage in the telecontrol signal, on-site service usually requires cross-departmental cooperation and takes a long time from appointment detection to commissioning completion, which is likely to lead to a problem of decreased customer satisfaction. Content of the Utility Model

[0003] In order to prevent the loss and false operation of telecontrol signals, the utility model provides a remote signal acquisition device for telecontrol signals with protection measures, which is mainly used for remote signal acquisition of the opening and closing states (referred to as telecontrol signals) of switches, disconnectors, etc. in a substation.

[0004] To achieve the above object, the utility model provides a remote signal acquisition device for telecontrol signals with protection measures, and its specific technical solution is as follows:

[0005] A remote signal acquisition device for telecontrol signals with protection measures of the utility model specifically includes: a circuit composed of a telecontrol circuit access unit and a telecontrol voltage protection unit. The circuit includes: a filter network, a protection circuit, an isolator, and first to eighth terminals; the filter network includes first to fourth resistors, seventh to tenth resistors, thirteenth to sixteenth resistors, nineteenth to twenty-second resistors, twenty-fifth to twenty-eighth resistors, thirty-first to thirty-fourth resistors, thirty-seventh to fortieth resistors, forty-third to forty-sixth resistors, first to eighth capacitors, thirteenth to eighteenth capacitors, twentieth capacitor, and twenty-first capacitor;

[0006] The protection circuit includes fifth resistor, sixth resistor, eleventh resistor, twelfth resistor, seventeenth resistor, eighteenth resistor, twenty-third resistor, twenty-fourth resistor, twenty-ninth resistor, thirtieth resistor, thirty-fifth resistor, thirty-sixth resistor, forty-first resistor, forty-second resistor, forty-seventh resistor, and forty-eighth resistor;

[0007] The isolator includes a second chip, resistors R50 to R65, light-emitting diodes D1 to D16, a third chip, a fifth chip, and a seventh chip;

[0008] One end of the third resistor, one end of the first resistor, and one end of the first capacitor are connected together. The other end of the first resistor, one end of the fifth resistor, and the first pin of the first terminal are connected together. The other end of the third resistor is connected to one end of the first light-emitting diode. The other end of the first light-emitting diode is connected to the second chip. The other end of the first capacitor and the other end of the fifth resistor are both connected to the second chip. The second chip is connected to the fiftieth resistor; One end of the fourth resistor, one end of the second resistor, and one end of the second capacitor are connected together. The other end of the second resistor, one end of the sixth resistor, and the second pin of the first terminal are connected together. The other end of the fourth resistor is connected to one end of the second light-emitting diode. The other end of the second light-emitting diode is connected to the second chip. The other end of the second capacitor, the other end of the sixth resistor, and the third pin of the first terminal are all connected to the second chip. The second chip is connected to the fifty-first resistor; One end of the ninth resistor, one end of the seventh resistor, and one end of the third capacitor are connected together. The other end of the seventh resistor, one end of the eleventh resistor, and the first pin of the second terminal are connected together. The other end of the ninth resistor is connected to one end of the third light-emitting diode. The other end of the third light-emitting diode is connected to the second chip. The other end of the third capacitor and the other end of the eleventh resistor are both connected to the second chip. The second chip is connected to the fifty-second resistor; One end of the tenth resistor, one end of the eighth resistor, and one end of the fourth capacitor are connected together. The other end of the eighth resistor, one end of the twelfth resistor, and the second pin of the second terminal are connected together. The other end of the tenth resistor is connected to one end of the fourth light-emitting diode. The other end of the fourth light-emitting diode is connected to the second chip. The other end of the fourth capacitor, the other end of the twelfth resistor, and the third pin of the first terminal are all connected to the second chip. The second chip is connected to the fifty-third resistor; One end of the fifteenth resistor, one end of the thirteenth resistor, and one end of the fifth capacitor are connected together. The other end of the thirteenth resistor, one end of the seventeenth resistor, and the first pin of the third terminal are connected together. The other end of the fifteenth resistor is connected to one end of the fifth light-emitting diode. The other end of the fifth light-emitting diode is connected to the third chip. The other end of the fifth capacitor and the other end of the seventeenth resistor are both connected to the third chip. The third chip is connected to the fifty-fourth resistor; One end of the sixteenth resistor, one end of the fourteenth resistor, and one end of the sixth capacitor are connected together. The other end of the fourteenth resistor, one end of the eighteenth resistor, and the second pin of the third terminal are connected together. The other end of the sixteenth resistor is connected to one end of the sixth light-emitting diode. The other end of the sixth light-emitting diode is connected to the third chip. The other end of the sixth capacitor, the other end of the eighteenth resistor, and the third pin of the third terminal are all connected to the third chip. The third chip is connected to the fifty-fifth resistor; One end of the twenty-first resistor, one end of the nineteenth resistor, and one end of the seventh capacitor are connected together. The other end of the nineteenth resistor, one end of the twenty-third resistor, and the first pin of the fourth terminal are connected together. The other end of the twenty-first resistor is connected to one end of the seventh light-emitting diode. The other end of the seventh light-emitting diode is connected to the third chip. The other end of the seventh capacitor and the other end of the twenty-third resistor are both connected to the third chip. The third chip is connected to the fifty-sixth resistor;One end of the twenty-second resistor, one end of the twentieth resistor, and one end of the eighth capacitor are connected together. The other end of the twentieth resistor, one end of the twenty-fourth resistor, and the second pin of the fourth terminal are connected together. The other end of the twenty-second resistor is connected to one end of the eighth light-emitting diode. The other end of the eighth light-emitting diode is connected to the third chip. The other end of the eighth capacitor, the other end of the twenty-fourth resistor, and the third pin of the first terminal are all connected to the third chip. The third chip is connected to the fifty-seventh resistor; One end of the twenty-seventh resistor, one end of the twenty-fifth resistor, and one end of the thirteenth capacitor are connected together. The other end of the twenty-fifth resistor, one end of the twenty-ninth resistor, and the first pin of the fifth terminal are connected together. The other end of the twenty-seventh resistor is connected to one end of the ninth light-emitting diode. The other end of the ninth light-emitting diode is connected to the fifth chip. The other end of the thirteenth capacitor and the other end of the twenty-ninth resistor are both connected to the fifth chip. The fifth chip is connected to the fifty-eighth resistor; One end of the twenty-eighth resistor, one end of the twenty-sixth resistor, and one end of the fourteenth capacitor are connected together. The other end of the twenty-sixth resistor, one end of the thirtieth resistor, and the second pin of the fifth terminal are connected together. The other end of the twenty-eighth resistor is connected to one end of the tenth light-emitting diode. The other end of the tenth light-emitting diode is connected to the fifth chip. The other end of the fourteenth capacitor, the other end of the thirtieth resistor, and the third pin of the fifth terminal are all connected to the fifth chip. The fifth chip is connected to the fifty-ninth resistor; One end of the thirty-third resistor, one end of the thirty-first resistor, and one end of the fifteenth capacitor are connected together. The other end of the thirty-first resistor, one end of the thirty-fifth resistor, and the first pin of the sixth terminal are connected together. The other end of the thirty-third resistor is connected to one end of the eleventh light-emitting diode. The other end of the eleventh light-emitting diode is connected to the fifth chip. The other end of the fifteenth capacitor and the other end of the thirty-fifth resistor are both connected to the fifth chip. The fifth chip is connected to the sixty-fifth resistor; One end of the thirty-fourth resistor, one end of the thirty-second resistor, and one end of the sixteenth capacitor are connected together. The other end of the thirty-second resistor, one end of the thirty-sixth resistor, and the second pin of the sixth terminal are connected together. The other end of the thirty-fourth resistor is connected to one end of the twelfth light-emitting diode. The other end of the twelfth light-emitting diode is connected to the fifth chip. The other end of the sixteenth capacitor, the other end of the thirty-sixth resistor, and the third pin of the first terminal are all connected to the fifth chip. The fifth chip is connected to the sixtieth resistor; One end of the thirty-ninth resistor, one end of the thirty-seventh resistor, and one end of the seventeenth capacitor are connected together. The other end of the thirty-seventh resistor, one end of the forty-first resistor, and the first pin of the seventh terminal are connected together. The other end of the thirty-ninth resistor is connected to one end of the thirteenth light-emitting diode. The other end of the thirteenth light-emitting diode is connected to the seventh chip. The other end of the seventeenth capacitor and the other end of the forty-first resistor are both connected to the seventh chip. The seventh chip is connected to the sixty-first resistor;One end of the fortieth resistor, one end of the thirty-eighth resistor, and one end of the eighteenth capacitor are connected together. The other end of the thirty-eighth resistor, one end of the forty-second resistor, and the second pin of the seventh terminal are connected together. The other end of the fortieth resistor is connected to one end of the fourteenth light-emitting diode. The other end of the fourteenth light-emitting diode is connected to the seventh chip. The other end of the eighteenth capacitor, the other end of the forty-second resistor, and the third pin of the seventh terminal are all connected to the seventh chip. The seventh chip is connected to the sixty-second resistor. One end of the forty-fifth resistor, one end of the forty-third resistor, and one end of the twentieth capacitor are connected together. The other end of the forty-third resistor, one end of the forty-seventh resistor, and the first pin of the eighth terminal are connected together. The other end of the forty-fifth resistor is connected to one end of the fifteenth light-emitting diode. The other end of the fifteenth light-emitting diode is connected to the seventh chip. The other end of the twentieth capacitor and the other end of the forty-seventh resistor are both connected to the seventh chip. The seventh chip is connected to the sixty-third resistor. One end of the forty-sixth resistor, one end of the forty-fourth resistor, and one end of the twenty-first capacitor are connected together. The other end of the forty-fourth resistor, one end of the forty-eighth resistor, and the second pin of the eighth terminal are connected together. The other end of the forty-sixth resistor is connected to one end of the sixteenth light-emitting diode. The other end of the sixteenth light-emitting diode is connected to the seventh chip. The other end of the twenty-first capacitor, the other end of the forty-eighth resistor, and the third pin of the first terminal are all connected to the seventh chip. The seventh chip is connected to the sixty-fourth resistor.;

[0009] Further, the device further includes an MCU microprocessor, which is implemented by a first chip. The 30th pin of the first chip is connected to the connection point between the second chip and the 50th resistor, the 31st pin of the first chip is connected to the connection point between the second chip and the 51st resistor, the 32nd pin of the first chip is connected to the connection point between the second chip and the 52nd resistor, the 33rd pin of the first chip is connected to the connection point between the second chip and the 53rd resistor, the 34th pin of the first chip is connected to the connection point between the third chip and the 54th resistor, the 35th pin of the first chip is connected to the connection point between the third chip and the 55th resistor, the 36th pin of the first chip is connected to the connection point between the third chip and the 56th resistor, the 37th pin of the first chip is connected to the connection point between the third chip and the 57th resistor, the 40th pin of the first chip is connected to the connection point between the fifth chip and the 58th resistor, the 41st pin of the first chip is connected to the connection point between the fifth chip and the 59th resistor, the 42nd pin of the first chip is connected to the connection point between the fifth chip and the 65th resistor, the 43rd pin of the first chip is connected to the connection point between the fifth chip and the 60th resistor, the 44th pin of the first chip is connected to the connection point between the seventh chip and the 61st resistor, the 1st pin of the first chip is connected to the connection point between the seventh chip and the 62nd resistor, the 2nd pin of the first chip is connected to the connection point between the seventh chip and the 63rd resistor, and the 3rd pin of the first chip is connected to the connection point between the seventh chip and the 64th resistor.

[0010] Further, the device further includes a communication unit connected to the MCU microprocessor, and the communication unit provides network protocol communication.

[0011] Further, the device further includes a network module connected to the communication unit, and the communication unit transmits the remote signal digital signal output by the MCU microprocessor to the network module in the manner of a proprietary network protocol.

[0012] Further, the device further includes a communication network shutdown device connected to the network module. The network module uploads the collected remote signal digital signal to the communication network shutdown device, and after the information is sorted out by the communication network shutdown device, it is sent to the data management machine in the remote dispatching and monitoring center.

[0013] Further, the device further includes a power supply unit respectively connected to the MCU microprocessor, the communication unit, the network module, the remote signal loop access unit, and the remote signal voltage protection unit. The power supply unit provides a regulated DC power supply for the device.

[0014] The beneficial effects of the present utility model are:

[0015] A telemetry signal acquisition device with protection measures provided by the present utility model is a secondary device that realizes the acquisition of on-off status quantities of switches, disconnecting switches, etc. in a substation. The telemetry signal acquisition device with protection measures provided by the present utility model, through circuit design (telemetry loop access unit and telemetry voltage protection unit), has overvoltage protection and signal misoperation determination functions, can protect the equipment from being easily damaged during telemetry overvoltage, avoid misoperation of telemetry signals caused by induced current, enable the operator to collect telemetry data in real time, obtain the system operation status, accurately monitor the on-off status quantities of switches, disconnecting switches, etc. in the substation, save equipment detection and maintenance time, and improve customer satisfaction. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the overall circuit principle block diagram of a telemetry signal acquisition device with protection measures provided by the present utility model.

[0017] Figure 2 It is the specific circuit diagram of the telemetry loop access unit and the telemetry voltage protection unit.

[0018] Figure 3 It is the specific circuit diagram of the MCU microprocessor.

[0019] In the figure, 1, power supply unit; 2, MCU microprocessor; 3, communication unit; 4, network module; 5, telemetry loop access unit; 6, telemetry voltage protection unit; 7, communication network shutdown device. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0021] A telemetry signal acquisition device with protection measures provided by the present utility model is a device that can collect the on-off states of primary equipment such as switches and disconnecting switches in a substation as digital signals and send them to the communication network shutdown device 7.

[0022] See Figure 1 For illustration, a telemetry signal acquisition device with protection measures provided by the present utility model mainly consists of the following modules:

[0023] Power supply unit 1, MCU microprocessor 2, communication unit 3, network module 4, telemetry loop access unit 5, telemetry voltage protection unit 6 and communication network shutdown device 7.

[0024] In this embodiment, the remote signal loop access unit 5 is connected to the remote signal voltage protection unit 6, and the remote signal voltage protection unit 6 provides overvoltage protection for the remote signal loop. The remote signal voltage protection unit 6 can protect the auxiliary contact loops such as switches and disconnectors in the substation, prevent damage to equipment due to misentry into high voltage, and is used to filter out interference pulses, protect the remote signal device, and improve the accuracy of remote signal data acquisition.

[0025] In this embodiment, the MCU microprocessor 2 is connected to the remote signal loop access unit 5. The remote signal loop access unit 5 accesses the remote signal, and the MCU microprocessor 2 provides AD conversion sampling and processing functions. Through the MCU microprocessor 2 and the remote signal loop access unit 5, the voltage quantity of the auxiliary contact loops such as switches and disconnectors in the substation can be converted into remote signal digital signals.

[0026] In this embodiment, the MCU microprocessor 2 is connected to the communication unit 3, and the communication unit 3 provides network protocol communication.

[0027] In this embodiment, the communication unit 3 is connected to the network module 4, and the communication unit 3 transmits the remote signal digital signal output by the MCU microprocessor 2 to the network module 4 in the manner of a proprietary network protocol.

[0028] In this embodiment, the network module 4 is connected to the communication network shutdown machine 7. The network module 4 uploads the collected remote signal digital signals to the communication network shutdown machine 7, and the communication network shutdown machine 7 sends the information to the data management machine in the remote dispatching and monitoring center after sorting. Operation and maintenance personnel and maintenance personnel can perform further processing by viewing relevant information. The network module 4 establishes a physical network connection between the device and the communication network shutdown machine 7.

[0029] In this embodiment, the power supply unit 1 provides the working power required by the device. The power supply unit 1 is respectively connected to the MCU microprocessor 2, the communication unit 3, the network module 4, the remote signal loop access unit 5, and the remote signal voltage protection unit 6. The power supply unit 1 is used to provide a regulated DC power supply for the device.

[0030] In this embodiment, the specific circuits of the remote signal loop access unit 5 and the remote signal voltage protection unit 6 are as Figure 2 shown. This circuit mainly includes: a filter network, a protection circuit, an isolator, and the first terminal X1 to the eighth terminal X8. The remote signal is sent to the isolator through the filter network and the protection circuit. After voltage protection and isolation, the MCU microprocessor 2 samples it to obtain the switch state of the remote signal; the MCU microprocessor 2 filters this signal to generate signals such as SOE, and sends them to the data management machine in the remote dispatching and monitoring center through the communication unit 3, the network module 4, and the communication network shutdown machine 7.

[0031] Among them, the said filtering network mainly includes a third resistor R3, a first resistor R1, a first capacitor C1, a fourth resistor R4, a second resistor R2, a second capacitor C2, a ninth resistor R9, a seventh resistor R7, a third capacitor C3, a tenth resistor R10, an eighth resistor R8, a fourth capacitor C4, a fifteenth resistor R15, a thirteenth resistor R13, a fifth capacitor C5, a sixteenth resistor R16, a fourteenth resistor R14, a sixth capacitor C6, a twenty-first resistor R21, a nineteenth resistor R19, a seventh capacitor C7, a twenty-second resistor R22, a twentieth resistor R20, an eighth capacitor C8, a twenty-seventh resistor R27, a twenty-fifth resistor R25, a thirteenth capacitor C13, a twenty-eighth resistor R28, a twenty-sixth resistor R26, a fourteenth capacitor C14, a thirty-third resistor R33, a thirty-first resistor R31, a fifteenth capacitor C15, a thirty-fourth resistor R34, a thirty-second resistor R32, a sixteenth capacitor C16, a thirty-ninth resistor R39, a thirty-seventh resistor R37, a seventeenth capacitor C17, a fortieth resistor R40, a thirty-eighth resistor R38, an eighteenth capacitor C18, a forty-fifth resistor R45, a forty-third resistor R43, a twentieth capacitor C20, a forty-sixth resistor R46, a forty-fourth resistor R44, a twenty-first capacitor C21.

[0032] Among them, the said protection circuit mainly includes a fifth resistor R5, a sixth resistor R6, an eleventh resistor R11, a twelfth resistor R12, a seventeenth resistor R17, an eighteenth resistor R18, a twenty-third resistor R23, a twenty-fourth resistor R24, a twenty-ninth resistor R29, a thirtieth resistor R30, a thirty-fifth resistor R35, a thirty-sixth resistor R36, a forty-first resistor R41, a forty-second resistor R42, a forty-seventh resistor R47, a forty-eighth resistor R48.

[0033] Among them, the isolator mainly includes the second chip U2, the fiftieth resistor R50, the first light-emitting diode V1, the fifty-first resistor R51, the second light-emitting diode V2, the fifty-second resistor R52, the third light-emitting diode V3, the fifty-third resistor R53, the fourth light-emitting diode V4, the third chip U3, the fifty-fourth resistor R54, the fifth light-emitting diode V5, the fifty-fifth resistor R55, the sixth light-emitting diode V6, the fifty-sixth resistor R56, the seventh light-emitting diode V7, the fifty-seventh resistor R57, the eighth light-emitting diode V8, the fifth chip U5, the fifty-eighth resistor R58, the ninth light-emitting diode V9, the fifty-ninth resistor R59, the tenth light-emitting diode V10, the sixty-fifth resistor R65, the eleventh light-emitting diode V11, the sixtieth resistor R60, the twelfth light-emitting diode V12, the seventh chip U7, the sixty-first resistor R61, the thirteenth light-emitting diode V13, the sixty-second resistor R62, the fourteenth light-emitting diode V14, the sixty-third resistor R63, the fifteenth light-emitting diode V15, the sixty-fourth resistor R64, and the sixteenth light-emitting diode V16.

[0034] Among them, the connection relationships between the components are as follows: One end of the third resistor R3, one end of the first resistor R1, and one end of the first capacitor C1 are connected together. The other end of the first resistor R1, one end of the fifth resistor R5, and the first pin 1 of the first terminal block X1 are connected. The other end of the third resistor R3 is connected to one end of the first light-emitting diode V1. The other end of the first light-emitting diode V1 is connected to the second chip U2. The other end of the first capacitor C1 and the other end of the fifth resistor R5 are both connected to the second chip U2. The second chip U2 is connected to the fiftieth resistor R50; One end of the fourth resistor R4, one end of the second resistor R2, and one end of the second capacitor C2 are connected together. The other end of the second resistor R2, one end of the sixth resistor R6, and the second pin 2 of the first terminal block X1 are connected. The other end of the fourth resistor R4 is connected to one end of the second light-emitting diode V2. The other end of the second light-emitting diode V2 is connected to the second chip U2. The other end of the second capacitor C2, the other end of the sixth resistor R6, and the third pin 3 of the first terminal block X1 are all connected to the second chip U2. The second chip U2 is connected to the fifty-first resistor R51; One end of the ninth resistor R9, one end of the seventh resistor R7, and one end of the third capacitor C3 are connected together. The other end of the seventh resistor R7, one end of the eleventh resistor R11, and the first pin 1 of the second terminal block X2 are connected. The other end of the ninth resistor R9 is connected to one end of the third light-emitting diode V3. The other end of the third light-emitting diode V3 is connected to the second chip U2. The other end of the third capacitor C3 and the other end of the eleventh resistor R11 are both connected to the second chip U2. The second chip U2 is connected to the fifty-second resistor R52; One end of the tenth resistor R10, one end of the eighth resistor R8, and one end of the fourth capacitor C4 are connected together. The other end of the eighth resistor R8, one end of the twelfth resistor R12, and the second pin 2 of the second terminal block X2 are connected. The other end of the tenth resistor R10 is connected to one end of the fourth light-emitting diode V4. The other end of the fourth light-emitting diode V4 is connected to the second chip U2. The other end of the fourth capacitor C4, the other end of the twelfth resistor R12, and the third pin 3 of the first terminal block X1 are all connected to the second chip U2. The second chip U2 is connected to the fifty-third resistor R53; One end of the fifteenth resistor R15, one end of the thirteenth resistor R13, and one end of the fifth capacitor C5 are connected together. The other end of the thirteenth resistor R13, one end of the seventeenth resistor R17, and the first pin 1 of the third terminal block X3 are connected. The other end of the fifteenth resistor R15 is connected to one end of the fifth light-emitting diode V5. The other end of the fifth light-emitting diode V5 is connected to the third chip U3. The other end of the fifth capacitor C5 and the other end of the seventeenth resistor R17 are both connected to the third chip U3. The third chip U3 is connected to the fifty-fourth resistor R54;One end of the sixteenth resistor R16, one end of the fourteenth resistor R14, and one end of the sixth capacitor C6 are connected together. The other end of the fourteenth resistor R14, one end of the eighteenth resistor R18, and the second pin 2 of the third terminal block X3 are connected. The other end of the sixteenth resistor R16 is connected to one end of the sixth light-emitting diode V6. The other end of the sixth light-emitting diode V6 is connected to the third chip U3. The other end of the sixth capacitor C6, the other end of the eighteenth resistor R18, and the third pin 3 of the third terminal block X3 are all connected to the third chip U3. The third chip U3 is connected to the fifty-fifth resistor R55; One end of the twenty-first resistor R21, one end of the nineteenth resistor R19, and one end of the seventh capacitor C7 are connected together. The other end of the nineteenth resistor R19, one end of the twenty-third resistor R23, and the first pin 1 of the fourth terminal block X4 are connected. The other end of the twenty-first resistor R21 is connected to one end of the seventh light-emitting diode V7. The other end of the seventh light-emitting diode V7 is connected to the third chip U3. The other end of the seventh capacitor C7 and the other end of the twenty-third resistor R23 are both connected to the third chip U3. The third chip U3 is connected to the fifty-sixth resistor R56; One end of the twenty-second resistor R22, one end of the twentieth resistor R20, and one end of the eighth capacitor C8 are connected together. The other end of the twentieth resistor R20, one end of the twenty-fourth resistor R24, and the second pin 2 of the fourth terminal block X4 are connected. The other end of the twenty-second resistor R22 is connected to one end of the eighth light-emitting diode V8. The other end of the eighth light-emitting diode V8 is connected to the third chip U3. The other end of the eighth capacitor C8, the other end of the twenty-fourth resistor R24, and the third pin 3 of the first terminal block X are all connected to the third chip U3. The third chip U3 is connected to the fifty-seventh resistor R57; One end of the twenty-seventh resistor R27, one end of the twenty-fifth resistor R25, and one end of the thirteenth capacitor C13 are connected together. The other end of the twenty-fifth resistor R25, one end of the twenty-ninth resistor R29, and the first pin 1 of the fifth terminal block X5 are connected. The other end of the twenty-seventh resistor R27 is connected to one end of the ninth light-emitting diode V9. The other end of the ninth light-emitting diode V9 is connected to the fifth chip U5. The other end of the thirteenth capacitor C13 and the other end of the twenty-ninth resistor R29 are both connected to the fifth chip U5. The fifth chip U5 is connected to the fifty-eighth resistor R58; One end of the twenty-eighth resistor R28, one end of the twenty-sixth resistor R26, and one end of the fourteenth capacitor C14 are connected together. The other end of the twenty-sixth resistor R26, one end of the thirtieth resistor R30, and the second pin 2 of the fifth terminal block X5 are connected. The other end of the twenty-eighth resistor R28 is connected to one end of the tenth light-emitting diode V10. The other end of the tenth light-emitting diode V10 is connected to the fifth chip U5. The other end of the fourteenth capacitor C14, the other end of the thirtieth resistor R30, and the third pin 3 of the fifth terminal block X5 are all connected to the fifth chip U5. The fifth chip U5 is connected to the fifty-ninth resistor R59;One end of the thirty-third resistor R33, one end of the thirty-first resistor R31, and one end of the fifteenth capacitor C15 are connected together. The other end of the thirty-first resistor R31, one end of the thirty-fifth resistor R35, and the first pin 1 of the sixth terminal X6 are connected. The other end of the thirty-third resistor R33 is connected to one end of the eleventh light-emitting diode V11. The other end of the eleventh light-emitting diode V11 is connected to the fifth chip U5. The other ends of the fifteenth capacitor C15 and the thirty-fifth resistor R35 are both connected to the fifth chip U5. The fifth chip U5 is connected to the sixty-fifth resistor R65. One end of the thirty-fourth resistor R34, one end of the thirty-second resistor R32, and one end of the sixteenth capacitor C16 are connected together. The other end of the thirty-second resistor R32, one end of the thirty-sixth resistor R36, and the second pin 2 of the sixth terminal X6 are connected. The other end of the thirty-fourth resistor R34 is connected to one end of the twelfth light-emitting diode V12. The other end of the twelfth light-emitting diode V12 is connected to the fifth chip U5. The other ends of the sixteenth capacitor C16 and the thirty-sixth resistor R36, and the third pin 3 of the first terminal X1 are all connected to the fifth chip U5. The fifth chip U5 is connected to the sixtieth resistor R60. One end of the thirty-ninth resistor R39, one end of the thirty-seventh resistor R37, and one end of the seventeenth capacitor C17 are connected together. The other end of the thirty-seventh resistor R37, one end of the forty-first resistor R41, and the first pin 1 of the seventh terminal X7 are connected. The other end of the thirty-ninth resistor R39 is connected to one end of the thirteenth light-emitting diode V13. The other end of the thirteenth light-emitting diode V13 is connected to the seventh chip U7. The other ends of the seventeenth capacitor C17 and the forty-first resistor R41 are both connected to the seventh chip U7. The seventh chip U7 is connected to the sixty-first resistor R61. One end of the fortieth resistor R40, one end of the thirty-eighth resistor R38, and one end of the eighteenth capacitor C18 are connected together. The other end of the thirty-eighth resistor R8, one end of the forty-second resistor R42, and the second pin 2 of the seventh terminal X7 are connected. The other end of the fortieth resistor R40 is connected to one end of the fourteenth light-emitting diode V14. The other end of the fourteenth light-emitting diode V14 is connected to the seventh chip U7. The other ends of the eighteenth capacitor C18 and the forty-second resistor R42, and the third pin 3 of the seventh terminal X7 are all connected to the seventh chip U7. The seventh chip U7 is connected to the sixty-second resistor R62. One end of the forty-fifth resistor R45, one end of the forty-third resistor R43, and one end of the twentieth capacitor C20 are connected together. The other end of the forty-third resistor R43, one end of the forty-seventh resistor R47, and the first pin 1 of the eighth terminal X8 are connected. The other end of the forty-fifth resistor R45 is connected to one end of the fifteenth light-emitting diode V15. The other end of the fifteenth light-emitting diode V15 is connected to the seventh chip U7. The other ends of the twentieth capacitor C20 and the forty-seventh resistor R47 are both connected to the seventh chip U7. The seventh chip U7 is connected to the sixty-third resistor R63;One end of the forty-sixth resistor R46, one end of the forty-fourth resistor R44, and one end of the twenty-first capacitor C21 are connected together. The other end of the forty-fourth resistor R44, one end of the forty-eighth resistor R48, and the second pin 2 of the eighth terminal X8 are connected. The other end of the forty-sixth resistor R46 is connected to one end of the sixteenth light-emitting diode V16. The other end of the sixteenth light-emitting diode V16 is connected to the seventh chip U7. The other end of the twenty-first capacitor C21, the other end of the forty-eighth resistor R48, and the third pin 3 of the first terminal X1 are all connected to the seventh chip U7. The seventh chip U7 is connected to the sixty-fourth resistor R64.;

[0035] Among them, the specific circuit of the MCU microprocessor 2 is as Figure 3 shown. The MCU microprocessor 2 is mainly implemented through the first chip U1. The thirtieth pin 30 of the first chip U1 is connected to the connection point between the second chip U2 and the fiftieth resistor R50. The thirty-first pin 31 of the first chip U1 is connected to the connection point between the second chip U2 and the fifty-first resistor R51. The thirty-second pin 32 of the first chip U1 is connected to the connection point between the second chip U2 and the fifty-second resistor R52. The thirty-third pin 33 of the first chip U1 is connected to the connection point between the second chip U2 and the fifty-third resistor R53. The thirty-fourth pin 34 of the first chip U1 is connected to the connection point between the third chip U3 and the fifty-fourth resistor R54. The thirty-fifth pin 35 of the first chip U1 is connected to the connection point between the third chip U3 and the fifty-fifth resistor R55. The thirty-sixth pin 36 of the first chip U1 is connected to the connection point between the third chip U3 and the fifty-sixth resistor R56. The thirty-seventh pin 37 of the first chip U1 is connected to the connection point between the third chip U3 and the fifty-seventh resistor R57. The fortieth pin 40 of the first chip U1 is connected to the connection point between the fifth chip U5 and the fifty-eighth resistor R58. The forty-first pin 41 of the first chip U1 is connected to the connection point between the fifth chip U5 and the fifty-ninth resistor R59. The forty-second pin 42 of the first chip U1 is connected to the connection point between the fifth chip U5 and the sixty-fifth resistor R65. The forty-third pin 43 of the first chip U1 is connected to the connection point between the fifth chip U5 and the sixtieth resistor R60. The forty-fourth pin 43 of the first chip U1 is connected to the connection point between the seventh chip U7 and the sixty-first resistor R61. The first pin 1 of the first chip U1 is connected to the connection point between the seventh chip U7 and the sixty-second resistor R62. The second pin 2 of the first chip U1 is connected to the connection point between the seventh chip U7 and the sixty-third resistor R63. The third pin 3 of the first chip U1 is connected to the connection point between the seventh chip U7 and the sixty-fourth resistor R64.

[0036] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A remote signaling signal acquisition device with protection measures, characterized in that, Including: A circuit composed of a telemetry signal loop access unit and a telemetry voltage protection unit, the circuit including: a filter network, a protection circuit, an isolator, and first to eighth connection terminals; the filter network including first to fourth resistors, seventh to tenth resistors, thirteenth to sixteenth resistors, nineteenth to twenty-second resistors, twenty-fifth to twenty-eighth resistors, thirty-first to thirty-fourth resistors, thirty-seventh to fortieth resistors, forty-third to forty-sixth resistors, first to eighth capacitors, thirteenth to eighteenth capacitors, twentieth and twenty-first capacitors; The protection circuit including fifth to sixth resistors, eleventh to twelfth resistors, seventeenth to eighteenth resistors, twenty-third to twenty-fourth resistors, twenty-ninth to thirtieth resistors, thirty-fifth to thirty-sixth resistors, forty-first to forty-second resistors, forty-seventh and forty-eighth resistors; The isolator including a second chip, fiftieth to sixty-fifth resistors, first to sixteenth light-emitting diodes, a third chip, a fifth chip, and a seventh chip; One end of the third resistor, one end of the first resistor, and one end of the first capacitor are connected together. The other end of the first resistor, one end of the fifth resistor, and the first pin of the first terminal are connected together. The other end of the third resistor is connected to one end of the first light-emitting diode. The other end of the first light-emitting diode is connected to the second chip. The other end of the first capacitor and the other end of the fifth resistor are both connected to the second chip. The second chip is connected to the fiftieth resistor; One end of the fourth resistor, one end of the second resistor, and one end of the second capacitor are connected together. The other end of the second resistor, one end of the sixth resistor, and the second pin of the first terminal are connected together. The other end of the fourth resistor is connected to one end of the second light-emitting diode. The other end of the second light-emitting diode is connected to the second chip. The other end of the second capacitor, the other end of the sixth resistor, and the third pin of the first terminal are all connected to the second chip. The second chip is connected to the fifty-first resistor; One end of the ninth resistor, one end of the seventh resistor, and one end of the third capacitor are connected together. The other end of the seventh resistor, one end of the eleventh resistor, and the first pin of the second terminal are connected together. The other end of the ninth resistor is connected to one end of the third light-emitting diode. The other end of the third light-emitting diode is connected to the second chip. The other end of the third capacitor and the other end of the eleventh resistor are both connected to the second chip. The second chip is connected to the fifty-second resistor; One end of the tenth resistor, one end of the eighth resistor, and one end of the fourth capacitor are connected together. The other end of the eighth resistor, one end of the twelfth resistor, and the second pin of the second terminal are connected together. The other end of the tenth resistor is connected to one end of the fourth light-emitting diode. The other end of the fourth light-emitting diode is connected to the second chip. The other end of the fourth capacitor, the other end of the twelfth resistor, and the third pin of the first terminal are all connected to the second chip. The second chip is connected to the fifty-third resistor; One end of the fifteenth resistor, one end of the thirteenth resistor, and one end of the fifth capacitor are connected together. The other end of the thirteenth resistor, one end of the seventeenth resistor, and the first pin of the third terminal are connected together. The other end of the fifteenth resistor is connected to one end of the fifth light-emitting diode. The other end of the fifth light-emitting diode is connected to the third chip. The other end of the fifth capacitor and the other end of the seventeenth resistor are both connected to the third chip. The third chip is connected to the fifty-fourth resistor; One end of the sixteenth resistor, one end of the fourteenth resistor, and one end of the sixth capacitor are connected together. The other end of the fourteenth resistor, one end of the eighteenth resistor, and the second pin of the third terminal are connected together. The other end of the sixteenth resistor is connected to one end of the sixth light-emitting diode. The other end of the sixth light-emitting diode is connected to the third chip. The other end of the sixth capacitor, the other end of the eighteenth resistor, and the third pin of the third terminal are all connected to the third chip. The third chip is connected to the fifty-fifth resistor; One end of the twenty-first resistor, one end of the nineteenth resistor, and one end of the seventh capacitor are connected together. The other end of the nineteenth resistor, one end of the twenty-third resistor, and the first pin of the fourth terminal are connected together. The other end of the twenty-first resistor is connected to one end of the seventh light-emitting diode. The other end of the seventh light-emitting diode is connected to the third chip. The other end of the seventh capacitor and the other end of the twenty-third resistor are both connected to the third chip. The third chip is connected to the fifty-sixth resistor;One end of the twenty-second resistor, one end of the twentieth resistor, and one end of the eighth capacitor are connected together. The other end of the twentieth resistor, one end of the twenty-fourth resistor, and the second pin of the fourth terminal are connected together. The other end of the twenty-second resistor is connected to one end of the eighth light-emitting diode. The other end of the eighth light-emitting diode is connected to the third chip. The other end of the eighth capacitor, the other end of the twenty-fourth resistor, and the third pin of the first terminal are all connected to the third chip. The third chip is connected to the fifty-seventh resistor; One end of the twenty-seventh resistor, one end of the twenty-fifth resistor, and one end of the thirteenth capacitor are connected together. The other end of the twenty-fifth resistor, one end of the twenty-ninth resistor, and the first pin of the fifth terminal are connected together. The other end of the twenty-seventh resistor is connected to one end of the ninth light-emitting diode. The other end of the ninth light-emitting diode is connected to the fifth chip. The other end of the thirteenth capacitor and the other end of the twenty-ninth resistor are both connected to the fifth chip. The fifth chip is connected to the fifty-eighth resistor; One end of the twenty-eighth resistor, one end of the twenty-sixth resistor, and one end of the fourteenth capacitor are connected together. The other end of the twenty-sixth resistor, one end of the thirtieth resistor, and the second pin of the fifth terminal are connected together. The other end of the twenty-eighth resistor is connected to one end of the tenth light-emitting diode. The other end of the tenth light-emitting diode is connected to the fifth chip. The other end of the fourteenth capacitor, the other end of the thirtieth resistor, and the third pin of the fifth terminal are all connected to the fifth chip. The fifth chip is connected to the fifty-ninth resistor; One end of the thirty-third resistor, one end of the thirty-first resistor, and one end of the fifteenth capacitor are connected together. The other end of the thirty-first resistor, one end of the thirty-fifth resistor, and the first pin of the sixth terminal are connected together. The other end of the thirty-third resistor is connected to one end of the eleventh light-emitting diode. The other end of the eleventh light-emitting diode is connected to the fifth chip. The other end of the fifteenth capacitor and the other end of the thirty-fifth resistor are both connected to the fifth chip. The fifth chip is connected to the sixty-fifth resistor; One end of the thirty-fourth resistor, one end of the thirty-second resistor, and one end of the sixteenth capacitor are connected together. The other end of the thirty-second resistor, one end of the thirty-sixth resistor, and the second pin of the sixth terminal are connected together. The other end of the thirty-fourth resistor is connected to one end of the twelfth light-emitting diode. The other end of the twelfth light-emitting diode is connected to the fifth chip. The other end of the sixteenth capacitor, the other end of the thirty-sixth resistor, and the third pin of the first terminal are all connected to the fifth chip. The fifth chip is connected to the sixtieth resistor; One end of the thirty-ninth resistor, one end of the thirty-seventh resistor, and one end of the seventeenth capacitor are connected together. The other end of the thirty-seventh resistor, one end of the forty-first resistor, and the first pin of the seventh terminal are connected together. The other end of the thirty-ninth resistor is connected to one end of the thirteenth light-emitting diode. The other end of the thirteenth light-emitting diode is connected to the seventh chip. The other end of the seventeenth capacitor and the other end of the forty-first resistor are both connected to the seventh chip. The seventh chip is connected to the sixty-first resistor;One end of the fortieth resistor, one end of the thirty-eighth resistor, and one end of the eighteenth capacitor are connected together. The other end of the thirty-eighth resistor, one end of the forty-second resistor, and the second pin of the seventh terminal are connected together. The other end of the fortieth resistor is connected to one end of the fourteenth light-emitting diode. The other end of the fourteenth light-emitting diode is connected to the seventh chip. The other end of the eighteenth capacitor, the other end of the forty-second resistor, and the third pin of the seventh terminal are all connected to the seventh chip. The seventh chip is connected to the sixty-second resistor. One end of the forty-fifth resistor, one end of the forty-third resistor, and one end of the twentieth capacitor are connected together. The other end of the forty-third resistor, one end of the forty-seventh resistor, and the first pin of the eighth terminal are connected together. The other end of the forty-fifth resistor is connected to one end of the fifteenth light-emitting diode. The other end of the fifteenth light-emitting diode is connected to the seventh chip. The other end of the twentieth capacitor and the other end of the forty-seventh resistor are both connected to the seventh chip. The seventh chip is connected to the sixty-third resistor. One end of the forty-sixth resistor, one end of the forty-fourth resistor, and one end of the twenty-first capacitor are connected together. The other end of the forty-fourth resistor, one end of the forty-eighth resistor, and the second pin of the eighth terminal are connected together. The other end of the forty-sixth resistor is connected to one end of the sixteenth light-emitting diode. The other end of the sixteenth light-emitting diode is connected to the seventh chip. The other end of the twenty-first capacitor, the other end of the forty-eighth resistor, and the third pin of the first terminal are all connected to the seventh chip. The seventh chip is connected to the sixty-fourth resistor.; 2. The telecontrol signal acquisition device with protection measures according to claim 1, characterized in that, Also including an MCU microprocessor, which is implemented through a first chip, the thirtieth pin of the first chip being connected to the connection point between the second chip and the fiftieth resistor, the thirty-first pin of the first chip being connected to the connection point between the second chip and the fifty-first resistor, the thirty-second pin of the first chip being connected to the connection point between the second chip and the fifty-second resistor, the thirty-third pin of the first chip being connected to the connection point between the second chip and the fifty-third resistor, the thirty-fourth pin of the first chip being connected to the connection point between the third chip and the fifty-fourth resistor, the thirty-fifth pin of the first chip being connected to the connection point between the third chip and the fifty-fifth resistor, the thirty-sixth pin of the first chip being connected to the connection point between the third chip and the fifty-sixth resistor, the thirty-seventh pin of the first chip being connected to the connection point between the third chip and the fifty-seventh resistor, the fortieth pin of the first chip being connected to the connection point between the fifth chip and the fifty-eighth resistor, the forty-first pin of the first chip being connected to the connection point between the fifth chip and the fifty-ninth resistor, the forty-second pin of the first chip being connected to the connection point between the fifth chip and the sixty-fifth resistor, the forty-third pin of the first chip being connected to the connection point between the fifth chip and the sixtieth resistor, the forty-fourth pin of the first chip being connected to the connection point between the seventh chip and the sixty-first resistor, the first pin of the first chip being connected to the connection point between the seventh chip and the sixty-second resistor, the second pin of the first chip being connected to the connection point between the seventh chip and the sixty-third resistor, and the third pin of the first chip being connected to the connection point between the seventh chip and the sixty-fourth resistor.

3. The telemetry signal acquisition device with protection measures according to claim 2, characterized in that, Also including: A communication unit connected to the MCU microprocessor, and the communication unit provides network protocol communication.

4. The telecontrol signal acquisition device with protection measures according to claim 3, wherein Also including: A network module connected to the communication unit, and the communication unit transmits the remote signaling digital signal output by the MCU microprocessor to the network module in the manner of a proprietary network protocol.

5. A telemetry signal acquisition device with protection measures according to claim 4, characterized in that It further includes: A communication network shutdown device connected to the network module. The network module uploads the collected remote signaling digital signal to the communication network shutdown device, and after the information is sorted out by the communication network shutdown device, it is sent to the data management machine in the remote dispatching and monitoring center.

6. The telemetry signal acquisition device with protection measures according to claim 5, characterized in that, It further includes: A power supply unit respectively connected to the MCU microprocessor, the communication unit, the network module, the remote signaling loop access unit, and the remote signaling voltage protection unit. The power supply unit provides a regulated DC power supply for the device.

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