CN210327143U - Automatic field test device for multi-state feeder - Google Patents
Automatic field test device for multi-state feeder Download PDFInfo
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- CN210327143U CN210327143U CN201920441829.3U CN201920441829U CN210327143U CN 210327143 U CN210327143 U CN 210327143U CN 201920441829 U CN201920441829 U CN 201920441829U CN 210327143 U CN210327143 U CN 210327143U
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Abstract
The multi-state feeder automation field test device comprises a state indicator lamp, a man-machine interaction interface, a power management module, a CPU system, an analog output module, a switch state input module, a control output acquisition module, a communication module, a time synchronization module and a device shell for accommodating the components. The communication module is connected with the satellite antenna through the time synchronization module; the communication module is provided with a SIM card, a USB port, an Ethernet port and an 232/485 serial port. The human-computer interaction interface comprises a liquid crystal touch screen, and the liquid crystal touch screen comprises system operation, feeder automation type selection, a typical wiring diagram, test scheme selection, a feeder automation parameter input interface and power supply network selection. The utility model selects the structure of the power supply network, the automatic feeder, the relevant parameters of the automatic feeder, the position of the fault point and the placing position of the testing device, and automatically generates the testing sequence and the scheme; the utility model is suitable for an any feeder automation field test requirement.
Description
Technical Field
The utility model relates to a polymorphic feeder automation field test device belongs to distribution automation technical field.
Background
Feeder automation is the use of automation devices or systems to monitor the operating conditions of a distribution network, discover distribution network faults in time, and perform fault location, isolation and restoration of power supply to non-fault areas. According to the forms of power supply reliability requirements, communication modes, master station cooperation and the like, the feeder automation technology is divided into a centralized type and an on-site type, and the on-site type feeder automation comprises an on-site recloser type and an intelligent distributed type. The local recloser can be divided into a voltage time type, a voltage current time type and a self-adaptive comprehensive type according to different criteria; the intelligent distribution type can be divided into a fast-moving type and a slow-moving type.
Feeder automation realizes that fault handling can adopt centralized type and type mode on the spot, should combine conditions such as distribution network rack structure, primary equipment current situation, communication basic condition according to the power supply reliability demand, rationally selects the fault handling mode to rationally configure main website and terminal.
The reasonable feeder automation technology is selected to be the first problem of the current distribution automation construction, whether the feeder automation technical index of the completed construction meets the design requirement needs to be further verified, at present, feeder automation function testing devices which can simultaneously meet the requirements of concentration type, voltage time type, voltage and current time type, intelligent distribution type, fault location type and the like are lacked, wiring is complex, and the development of feeder automation testing work in basic operation and maintenance units is not facilitated. Therefore, there is a need to provide a multi-state feeder automation testing device with simple operation and wide application range, which can quickly and automatically generate a testing automatic generation testing sequence and scheme by simply selecting the network frame to be tested, the feeder automation type, the inherent testing parameters and other operations on site, and can file and evaluate the testing result, thereby improving the practical level of distribution automation.
Disclosure of Invention
The utility model aims at providing a different feeder automation type functional field test such as centralized type, voltage time type, voltage current time type, intelligent distributing type, fault location formula, reduce test preparation time, corollary equipment, wiring error probability in order to realize, quick accurate develops feeder automation field test, provides a polymorphic feeder automation field test device.
The technical scheme of the utility model is that the multi-state feeder automation field test device comprises a state indicator lamp, a man-machine interaction interface, a power management module, a CPU system, an analog output module, a switch state input module, a control output acquisition module, a communication module, a time synchronization module and a device shell for accommodating the above components; the CPU system is respectively interconnected with the analog quantity output module, the switch state input module, the control output acquisition module, the state indicator lamp, the human-computer interaction interface and the power management module; the communication module is interconnected with the human-computer interaction interface; the communication module is connected with the satellite antenna through the time synchronization module; the communication module is provided with a SIM card, a USB port, an Ethernet port and an 232/485 serial port.
The state indicator lamp comprises an alternating current power supply input indicator lamp, a battery charging indicator lamp, a battery under-voltage indicator lamp, an operation state indicator lamp, a state output indicator lamp, a communication lamp, a satellite synchronous lamp, a switch position indicator lamp and a switch control state indicator lamp; the state indicator lamp is arranged on the right side of the man-machine interaction interface on the front side of the device.
The human-computer interaction interface comprises a liquid crystal touch screen, 2 paths of Ethernet ports, two paths of RS232 serial interfaces and 2 paths of USB interfaces; the liquid crystal touch screen comprises system operation, automatic feeder type selection, a typical wiring diagram, test scheme selection, an automatic feeder parameter input interface and power supply network selection.
The feeder automation type comprises 7 categories of centralized type, voltage time type, voltage and current time type, self-adaptive comprehensive type, intelligent distributed type, fault location type and user-defined type;
the feeder automation parameter input interface comprises a CT transformation ratio, a PT transformation ratio, an X time fixed value, a Y time fixed value, an overcurrent I section fixed value (secondary value) and delay time, an overcurrent II section fixed value (secondary value) and delay time, an overcurrent III section fixed value (secondary value) and delay time, reclosing times and interval time limit and switch attributes;
the power supply network selection comprises single radiation, single connection and multi-connection, and the single radiation network is mainly divided into two-section multi-branch, three-section multi-branch, four-section multi-branch and five-section multi-branch according to the number of section switches; the single connection is mainly divided into two sections and multiple branches, three sections and multiple branches, four sections and multiple branches and five sections and multiple branches according to the number of the section switches; the multi-connection is mainly divided into two sections and multiple branches, three sections and multiple branches, four sections and multiple branches and five sections and multiple branches according to the number of the section switches;
the switch attributes comprise a circuit breaker and a load switch, and are divided into sections, connections, branches and boundaries according to the switch action.
The time synchronization module is a built-in GPS/Beidou satellite module, receives the analog test master station or satellite time synchronization, and synchronously outputs a synchronization signal.
The analog quantity output module comprises alternating current voltage output, alternating current output and direct current voltage output; the amplitude, the phase and the frequency of the voltage and the current are adjustable; the voltage and the current meet the phase current and the phase current output requirement, and the output ports are respectively distinguished according to A (yellow), B (green), C (red), zero sequence (blue) and N (black); the voltage and current output accuracy meets the requirement of 0.05 percent, the conventional electromagnetic type or primary and secondary fusion small signal accuracy output requirement is met, and the direct current voltage can be output at 5V, 12V, 24V, 48V and 220V.
The switch state input module uses an optical coupler to output, the position dividing and closing signals of the circuit breaker are simulated, the simulation quantity is customized according to the field requirement, and the time error of any two paths of output intervals is not more than 1 ms.
The control output acquisition module responds by following a remote control instruction, automatically detects and adapts whether a remote control switching-off loop and a remote control switching-on loop have active nodes or not, provides a direct-current voltage 24V power supply or a 48V power supply if the remote control switching-off loop and the remote control switching-on loop are passive nodes, and can set the states of switch misoperation, switch rejection and switch slow motion; the misoperation can be realized by setting an error control brake-separating indication, the operation rejection can be realized by setting a short-circuit switch-on loop, and the slow operation can be realized by setting a switch delay time.
The communication module provides a wireless communication SIM port, supports 4G, 3G and 2G, can automatically switch according to the field signal intensity, and synchronously triggers and outputs a test signal through GPRS wireless networking.
The working principle of the utility model is as follows, the utility model automatically generates the test sequence and scheme by selecting the power supply network structure, the feeder automatic type, the relevant parameters of the input feeder automation, the fault point position and the test device placing position in the device; then, receiving the time synchronization of a simulation test master station or a satellite through a built-in GPS/Beidou satellite module in the time synchronization module, and ensuring that the output time of a plurality of polymorphic test devices related to the feeder automation test system is kept synchronous; the CPU system controls analog quantity output, switch state input, alternating current and backup power supply switching to realize automatic generation of a test sequence; and finally, comprehensively evaluating the accuracy of the automatic correct action of the feeder line according to information such as the switching action condition, the switching-on and switching-off position and the like fed back by the testing device, and generating an evaluation report.
The beneficial effects of the utility model are that, the utility model discloses a device selection power supply network structure, feeder are automatic type, input feeder automation relevant parameter, fault point position, testing arrangement locating, and automatic generation test sequence and scheme show the test wiring diagram simultaneously, and automatic recording test step and result to evaluate the test result, promoted distribution automation practicality level greatly.
The utility model is suitable for an any feeder automation field test requirement, the wiring is simple, and application scope is wide.
Drawings
FIG. 1 is a block diagram of the internal structure of the device of the present invention;
FIG. 2 is a front view of the device profile;
FIG. 3 is a top view of the device profile;
FIG. 4 is a right side view of the device profile;
FIG. 5 is a rear view of the device profile;
in the figure, 1 is a power switch key; 2 is a human-computer interaction interface; 3 is a start key; 4 is a stop button; 5 is a status indicator light; 6 is a first group of remote control loop keys; 7 is a second group of remote control loop keys; 8 is a switch state input module; 9 is a control output acquisition module; 10 is 232/485 serial ports; 11 is a SIM card; 12 is an Ethernet port; 13 is wireless; 14 is a clock; 15 is direct current voltage and small signal output; 16 is the AC voltage output; 17 is an alternating current output; 18 is a device handle bar; 19 is a battery access port; 20 is an AC power input port.
Detailed Description
The structure of a multi-state feeder automation field test device of the embodiment is shown in fig. 1, and the device comprises a state indicator lamp, a human-computer interaction interface, a power management module, a CPU system, an analog output module, a switch state input module, a control output acquisition module, a communication module, a time synchronization module, and a device housing for accommodating the above components; the CPU system is respectively interconnected with the analog quantity output module, the switch state input module, the control output acquisition module, the state indicator lamp, the human-computer interaction interface and the power management module; the communication module is interconnected with the human-computer interaction interface; the communication module is connected with the satellite antenna through the time synchronization module; the communication module is provided with a SIM card, a USB port, an Ethernet port and an 232/485 serial port.
The front structural arrangement of the test device housing of the present embodiment is shown in fig. 2. The middle of the device is provided with a liquid crystal touch screen of a human-computer interaction interface 2; the upper left corner is a power switch key 1; a start key 3 and a stop key 4 are arranged on the upper right; a first group of remote control loop keys 6 and a second group of remote control loop keys 7 are arranged below the human-computer interaction interface 2; and a status indicator lamp 5 is arranged below the right start key 3 and the stop key 4.
The state indicator lamp 5 comprises an alternating current power supply input indicator lamp, a battery charging indicator lamp, a battery under-voltage indicator lamp, a running state indicator lamp, a state output indicator lamp, a communication lamp, a satellite synchronous lamp, a switch position indicator lamp and a switch control state indicator lamp.
The input indicator lamp of the alternating current power supply is normally on (red) to indicate that the device is powered by commercial power or a generator, and the lamp is off (gray) to indicate that the device is powered by a backup battery or an external battery; a battery charge indicator light that is constantly on (red) indicates that the battery is in a charged state, and a light that is off (gray) indicates that the battery is fully charged or not in a charged state; the battery under-voltage indicator lamp is normally on (red) to represent that the battery has low electric quantity and needs to be charged as soon as possible; the running state indicating running lamp flickers (at an interval of 1 second) to indicate that the equipment runs normally, and no flicking indicates that the equipment is abnormal; the normally-on (red) state output indicator lamp indicates that the analog quantity and the like of the equipment are in an output state, and the normally-on (green) state indicates that the analog quantity and the like of the equipment are in a stop state; the communication lamp is on to represent that the communication between the equipment backstage is normal, the red color represents that the communication is normal, and the green color represents that the communication is not connected; the satellite sync light is normally on (red) indicating that the satellite is locked and green blinking indicates no data reception or that the satellite is unlocked. The switch position indicator lamp comprises a switch-off position lamp and a switch-on position lamp, wherein the switch-off lamp is normally on (green) to indicate that the simulation circuit breaker is in a switch-off position, and the switch-on lamp is normally on (red) to indicate that the simulation circuit breaker is in a switch-on position; the switch control state indicator lamp comprises a control opening lamp and a control closing lamp, wherein the control opening lamp flickers (red) to indicate that the simulation circuit breaker receives a remote control opening instruction, and the closing lamp flickers (red) to indicate that the simulation circuit breaker receives a remote control closing instruction.
The top surface of the housing of the test device of this example is arranged as shown in fig. 3. The top surface is provided with a switch state input module 8, a control output acquisition module 9, an 232/485 serial port 10, a SIM card 11, an Ethernet port 12, a wireless interface 13 and a clock 14 from left to right near the front end. And an alternating current output 17, an alternating voltage output 16 and a direct voltage and small signal output are arranged in the middle of the top surface from left to right.
As shown in fig. 4, the right side of the test device housing of this embodiment is provided with a battery access port 19 and a device handle bar 18.
As shown in fig. 5, the rear side of the casing of the test apparatus of this embodiment is provided with an ac power input port 20.
The human-computer interaction interface in the embodiment comprises a liquid crystal touch screen, and the liquid crystal touch screen comprises system operation, feeder automation type selection, a typical wiring diagram, test scheme selection, a feeder automation parameter input interface and power supply network selection.
The feeder automation type comprises 7 types of centralized type, voltage time type, voltage and current time type, self-adaptive comprehensive type, intelligent distributed type, fault location type and user-defined type.
The feeder automation parameter input interface comprises a CT transformation ratio, a PT transformation ratio, an X time fixed value, a Y time fixed value, an overcurrent I section fixed value (a secondary value) and delay time, an overcurrent II section fixed value (a secondary value) and delay time, an overcurrent III section fixed value (a secondary value) and delay time, reclosing times and interval time limit and switch attributes.
The switch attributes include circuit breakers and load switches, and are divided into sections, connections, branches and boundaries according to the switching action.
The power supply network selection comprises single radiation, single connection and multi-connection, wherein the single radiation network is mainly divided into two-section multi-branch, three-section multi-branch, four-section multi-branch and five-section multi-branch according to the number of section switches; the single connection is mainly divided into two sections and multiple branches, three sections and multiple branches, four sections and multiple branches and five sections and multiple branches according to the number of the section switches; the multi-connection is mainly divided into two sections and multiple branches, three sections and multiple branches, four sections and multiple branches and five sections and multiple branches according to the number of the section switches; the network structure can be selected in a user-defined mode according to user requirements.
The power management module in the embodiment comprises an alternating current power supply and a backup power supply; the alternating current power supply and the backup power supply are used for supplying power to the equipment by alternating current and charging the backup power supply when the equipment has the alternating current power supply input; when the alternating current power supply loses power, the device adopts a backup power supply to supply power, the capacity of the backup power supply can support the system to operate for 4 hours, and the backup power supply can be externally arranged or can be integrally internally arranged.
The CPU system in this embodiment is an operating system for human-computer interface and communication processing, and an embedded operating system is used for switching value input and output and system monitoring and control tasks, and a plurality of systems are independently, concurrently, and cooperatively processed.
The time synchronization module in this embodiment is a built-in GPS/beidou satellite module, and receives the analog test master station or satellite time synchronization, and synchronously outputs a synchronization signal.
The analog quantity output module in the embodiment comprises alternating current voltage output, alternating current output and direct current voltage output, wherein the amplitude, the phase and the frequency of the voltage and the current are adjustable; the voltage and the current meet the phase current and the phase current output requirement, and the output ports are respectively distinguished according to A (yellow), B (green), C (red), zero sequence (blue) and N (black). The voltage and current output accuracy meets the requirement of 0.05 percent, the conventional electromagnetic type or primary and secondary fusion small signal accuracy output requirement is met, and the direct current voltage can be output at 5V, 12V, 24V, 48V and 220V.
The switch state input module in the embodiment uses the optical coupler for outputting, the position dividing and closing signals of the circuit breaker are simulated, the simulation quantity is customized according to the field requirement, and the time error of any two paths of output intervals is not more than 1 ms.
The control output acquisition module in the embodiment responds by following a remote control instruction, automatically detects and adapts whether a remote control switching-off loop and a remote control switching-on loop have active nodes or not, provides a direct-current voltage 24V power supply or a 48V power supply if the remote control switching-off loop and the remote control switching-on loop are passive nodes, and can set the states of switch misoperation, switch rejection and switch slow motion; the misoperation can be realized by setting an error control brake-separating indication, the operation rejection can be realized by setting a short-circuit switch-on loop, and the slow operation can be realized by setting a switch delay time.
The communication module in this embodiment provides a wireless communication SIM port, supports 4G, 3G, and 2G, and can automatically switch according to field signal strength, and synchronously trigger and output a test signal through GPRS wireless networking.
Claims (10)
1. A multi-state feeder automation field test device is characterized by comprising a state indicator lamp, a human-computer interaction interface, a power management module, a CPU system, an analog output module, a switch state input module, a control output acquisition module, a communication module, a time synchronization module and a device shell for accommodating the components; the CPU system is respectively interconnected with the analog quantity output module, the switch state input module, the control output acquisition module, the state indicator lamp, the human-computer interaction interface and the power management module; the communication module is interconnected with the human-computer interaction interface; the communication module is connected with the satellite antenna through the time synchronization module; the communication module is provided with a SIM card, a USB port, an Ethernet port and an 232/485 serial port.
2. The multi-state feeder automation field test device of claim 1, wherein the status indicator lights comprise an ac power input indicator light, a battery charging indicator light, a battery under-voltage indicator light, a running status indicator light, a status output indicator light, a communication light, a satellite synchronization light, a switch position indicator light, a switch control status indicator light; the state indicator lamp is arranged on the right side of the man-machine interaction interface on the front side of the device.
3. The multi-state feeder automation field test device of claim 1, wherein the human-machine interface comprises a liquid crystal touch screen, and the liquid crystal touch screen comprises system operation, feeder automation type selection, typical wiring diagram, test scheme selection, feeder automation parameter input interface and power supply network selection.
4. The multi-state feeder automation field test device of claim 1, wherein the time synchronization module is a built-in GPS/Beidou satellite module, and is used for receiving an analog test master station or a satellite pair and synchronously outputting a synchronization signal.
5. The multi-state feeder automation field test device of claim 1, wherein the analog output module comprises an ac voltage output, an ac current output, a dc voltage output; the amplitude, the phase and the frequency of the voltage and the current are adjustable; the voltage and the current meet the phase current and the phase current output requirements, and the output ports are respectively distinguished according to yellow, green, red, blue and black; the voltage and current output accuracy meets the requirement of 0.05 percent, the conventional electromagnetic type or primary and secondary fusion small signal accuracy output requirement is met, and the direct current voltage can be output at 5V, 12V, 24V, 48V and 220V.
6. The multi-state feeder automation field test device of claim 1, wherein the switch state input module uses an optical coupler to output, and simulates the separating and closing signals of the circuit breaker, the simulation quantity is customized according to the field requirement, and the time error between any two outputs is not more than 1 ms.
7. The multi-state feeder automation field test device as claimed in claim 1, wherein the control output acquisition module responds by following a remote control command, automatically detects and adapts whether a remote control opening and closing loop has an active node or not, and if the remote control opening and closing loop is a passive node, a direct-current voltage 24V power supply or a 48V power supply is provided, and switch malfunction, switch malfunction and switch slow-motion states can be set; the misoperation can be realized by setting an error control brake-separating indication, the operation rejection can be realized by setting a short-circuit switch-on loop, and the slow operation can be realized by setting a switch delay time.
8. The multi-state feeder automation field test device of claim 1, wherein the communication module provides a wireless communication SIM port, supports 4G, 3G and 2G, can automatically switch according to field signal strength, and synchronously triggers and outputs test signals through GPRS wireless networking.
9. The multi-state feeder automation field test device of claim 3, wherein the feeder automation type comprises 7 categories of centralized type, voltage-time type, voltage-current-time type, adaptive comprehensive type, intelligent distributed type, fault location type and custom type;
the feeder automation parameter input interface comprises a CT transformation ratio, a PT transformation ratio, an X time constant value, a Y time constant value, an overcurrent I section constant value and delay time, an overcurrent II section constant value and delay time, an overcurrent III section constant value and delay time, reclosing times and interval time limit and switch attributes;
the power supply network selection comprises single radiation, single connection and multi-connection, and the single radiation network is mainly divided into two-section multi-branch, three-section multi-branch, four-section multi-branch and five-section multi-branch according to the number of section switches; the single connection is mainly divided into two sections and multiple branches, three sections and multiple branches, four sections and multiple branches and five sections and multiple branches according to the number of the section switches; the multi-branch network is mainly divided into two-section multi-branch, three-section multi-branch, four-section multi-branch and five-section multi-branch according to the number of the section switches.
10. The multi-state feeder automation field test device of claim 9, wherein the switch attributes include circuit breakers and load switches, and are divided into sectionalizing, tie, branch, demarcation according to switching activity.
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| CN201920441829.3U CN210327143U (en) | 2019-04-03 | 2019-04-03 | Automatic field test device for multi-state feeder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086252A (en) * | 2019-04-03 | 2019-08-02 | 国网江西省电力有限公司电力科学研究院 | A kind of polymorphic feeder automation on-site testing device |
| CN112649698A (en) * | 2020-12-09 | 2021-04-13 | 南京理工大学北方研究院 | Feeder automation test system |
-
2019
- 2019-04-03 CN CN201920441829.3U patent/CN210327143U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086252A (en) * | 2019-04-03 | 2019-08-02 | 国网江西省电力有限公司电力科学研究院 | A kind of polymorphic feeder automation on-site testing device |
| CN110086252B (en) * | 2019-04-03 | 2024-03-12 | 国网江西省电力有限公司电力科学研究院 | Polymorphic feeder automation field test device |
| CN112649698A (en) * | 2020-12-09 | 2021-04-13 | 南京理工大学北方研究院 | Feeder automation test system |
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