CN219833840U - Monitoring device of power distribution automation master station - Google Patents
Monitoring device of power distribution automation master station Download PDFInfo
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- CN219833840U CN219833840U CN202320915550.0U CN202320915550U CN219833840U CN 219833840 U CN219833840 U CN 219833840U CN 202320915550 U CN202320915550 U CN 202320915550U CN 219833840 U CN219833840 U CN 219833840U
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- main control
- acquisition device
- distribution automation
- power distribution
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 21
- 238000005070 sampling Methods 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000002452 interceptive effect Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 abstract description 15
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model provides a power distribution automation main station monitoring device which is applied to a low-voltage feeder cabinet to realize real-time monitoring of the low-voltage feeder cabinet, and comprises the following components: current acquisition device, switch acquisition device still include: the main control module is connected with the current acquisition device and the switch acquisition device, and is powered by the main control module through the power supply module, and meanwhile, the main control module is provided with a communication module and a storage module, signals are sent to the main control module by the current acquisition device and the switch acquisition device, and the signals are sent to the substation through the communication module after being processed by the main control module and are uniformly uploaded to the distribution automation main station by the substation. The utility model is provided with the main control module, the current acquisition device and the switch acquisition device are simultaneously connected to the main control module, the data are processed through the main control module and then uploaded to the sub-stations, and each sub-station gathers the data and then sends the data to the main station terminal, so that the communication load of the main station is reduced, and the monitoring management operation is convenient.
Description
Technical Field
The utility model relates to the field of power distribution equipment, in particular to a power distribution automation main station monitoring device.
Background
The power distribution automation main station is composed of a power distribution terminal and a monitoring device on the terminal, the monitoring device transmits detected signals to a workstation, the workstation performs scheduling and real-time monitoring, a large power distribution system gathers the monitoring signals to the sub-stations and then the sub-stations send the monitoring signals to the main station system, and the main station performs scheduling control and real-time monitoring. The low-voltage feeder cabinet is used as a terminal device, and current monitoring and switch state monitoring are required to be carried out on the low-voltage feeder cabinet.
Disclosure of Invention
Aiming at the problems in the background technology, the utility model provides a power distribution automation main station monitoring device which is applied to a low-voltage feeder cabinet to realize real-time monitoring of the low-voltage feeder cabinet, and comprises the following components: electric current collection system, switch collection system, its characterized in that still includes: the main control module, current acquisition device and switch acquisition device are connected to main control module, main control module passes through power module and supplies power, is equipped with communication module and storage module on the main control module simultaneously, and current acquisition device, switch acquisition device send signal to main control module on, and main control module carries out the number and sends the substation through communication module after handling and is unified uploading to distribution automation main website by the substation, carries out temporary storage through the storage data when communication unit is blocked.
As a preferred embodiment of the present utility model, the current collecting device includes: the electric energy metering chip is provided with a voltage sampling channel circuit and a current sampling channel circuit, and the voltage sampling channel circuit and the current sampling channel circuit are connected in a wiring mode of a transformer.
As a preferable scheme of the utility model, an optical coupler is arranged in a circuit of the switch acquisition device, a wiring terminal of a light-emitting component of the optical coupler is connected to a switch of the feeder cabinet, and a wiring terminal of a light-sensitive component of the optical coupler is connected to the main control module.
As a preferable scheme of the utility model, the master control module is connected to the RSM485 transceiver through the RS485 communication interface, and the communication with the substation is realized through the RSM485 transceiver.
As a preferable scheme of the utility model, the main control module is connected with a serial display screen, and the serial display screen is specifically a touch display screen and can perform interactive operation.
As a preferable scheme of the utility model, the master control module specifically adopts a singlechip chip with STC15F2K16S2 signals as a master controller.
As a preferable scheme of the utility model, the electric energy metering chip specifically adopts an ATT7022CU electric energy chip.
Compared with the prior art, the utility model provides the power distribution automation main station monitoring device, which has the following beneficial effects:
1. the utility model is provided with a main control module, the current acquisition device and the switch acquisition device are simultaneously connected to the main control module, the data are processed by the main control module and then uploaded to the substations, and each substation gathers the data and then sends the data to the main station terminal for regulation and monitoring by the main station terminal.
2. The main control module is provided with the storage unit, and when the communication module cannot timely send data to the substation, the data can be temporarily stored through the storage unit.
3. The switch acquisition device of the utility model separates strong current from weak current on the switch by arranging the photoelectric isolator.
Drawings
Fig. 1 is a schematic diagram of a power distribution automation master station monitoring device.
FIG. 2 is a block diagram of a master control unit
Fig. 3 is a circuit diagram of the master control unit.
Fig. 4 is a circuit diagram of a switch acquisition device.
Description of the embodiments
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
As shown in fig. 1, the present utility model provides a power distribution automation master station monitoring device, which is applied to a low-voltage feeder cabinet to realize real-time monitoring of the low-voltage feeder cabinet, and includes: electric current collection system, switch collection system, its characterized in that still includes: the main control module, current acquisition device and switch acquisition device are connected to main control module, main control module passes through power module and supplies power, be equipped with communication module and memory module on the main control module simultaneously, current acquisition device, switch acquisition device are on sending the main control module, main control module carries out the number processing after send the sub-station and unified upload to distribution automation main website by the sub-station, carry out temporary storage through the storage into data when communication unit is obstructed, main control module specifically adopts the singlechip chip of STC15F2K16S2 signal as the master controller, this chip embeds has data error memory, carry out temporary storage through memory cell when communication module can not in time send data to the sub-station (main control module specifically is as shown in fig. 2-3). The utility model sets the main control module to collect and simply process the current signal and the switch signal on the low-voltage feeder cabinet, sends the processed signal to the substation, gathers the monitoring signal in a certain area through the substation and sends the monitoring signal to the main station, and reduces the load of the main station communication by grading the monitoring data, thereby facilitating the monitoring management operation.
The current collecting apparatus of the present utility model is specifically described below, and includes: the electric energy metering chip is provided with a voltage sampling channel circuit and a current sampling channel circuit, the voltage sampling channel circuit and the current sampling channel circuit are connected in a wiring mode of a mutual inductor, and the electric energy metering chip specifically adopts an ATT7022CU electric energy chip.
In order to reduce the current collected by the switch acquisition circuit, an optocoupler is arranged in the circuit of the switch acquisition device, the wiring end of a light-emitting component of the optocoupler is connected to a switch detection circuit of a feeder cabinet, R110 and R111 which are arranged in series are arranged on the switch detection circuit, and the light-emitting component of the optocoupler is connected with the R111 in parallel; r112, R113 and C120 are sequentially arranged on the photosensitive detection circuit, the wiring ends of the photosensitive components of the optocoupler are connected to the outer sides of the R113 and C120, and the R113 and the C120 are led out through wiring to serve as signal output lines.
In order to realize the interactive communication connection between the main control module and the substation, the main control module is connected to the RSM485 transceiver through the RS485 communication interface, and the information transmission between the main control module and the substation is realized through the RSM485 transceiver connected with a communication network.
In order to facilitate the field inspection and maintenance of operators, the utility model is connected with the serial display screen which is specifically a touch display screen and can perform interactive operation.
It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.
Claims (7)
1. Power distribution automation main website monitoring devices is applied to and realizes the real-time supervision to low-voltage feeder cabinet on the low-voltage feeder cabinet, includes: electric current collection system, switch collection system, its characterized in that still includes: the main control module, current acquisition device and switch acquisition device are connected to main control module, main control module passes through power module and supplies power, is equipped with communication module and storage module on the main control module simultaneously, and current acquisition device, switch acquisition device send signal to main control module on, and main control module carries out the number and sends the substation through communication module after handling and is unified uploading to distribution automation main website by the substation, carries out temporary storage through the storage data when communication unit is blocked.
2. The power distribution automation primary station monitoring device of claim 1, wherein the current collection device comprises: the electric energy metering chip is provided with a voltage sampling channel circuit and a current sampling channel circuit, and the voltage sampling channel circuit and the current sampling channel circuit are connected in a wiring mode of a transformer.
3. The power distribution automation master station monitoring device according to claim 1, wherein an optical coupler is arranged in a circuit of the switch acquisition device, a wiring terminal of a light emitting component of the optical coupler is connected to a switch of the feeder cabinet, and a wiring terminal of a light sensing component of the optical coupler is connected to the master control module.
4. The power distribution automation master station monitoring device of claim 1, wherein the master control module is connected to an RSM485 transceiver through an RS485 communication interface, and communication with the substation is achieved through the RSM485 transceiver.
5. The power distribution automation master station monitoring device according to claim 1, wherein the master control module is connected with a serial display screen, and the serial display screen is specifically a touch display screen and can perform interactive operation.
6. The power distribution automation master station monitoring device according to claim 1, wherein the master control module specifically adopts a single chip microcomputer chip of an STC15F2K16S2 signal as a master controller.
7. The power distribution automation master station monitoring device according to claim 2, wherein the power metering chip is an ATT7022CU power chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320915550.0U CN219833840U (en) | 2023-04-21 | 2023-04-21 | Monitoring device of power distribution automation master station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320915550.0U CN219833840U (en) | 2023-04-21 | 2023-04-21 | Monitoring device of power distribution automation master station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219833840U true CN219833840U (en) | 2023-10-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320915550.0U Active CN219833840U (en) | 2023-04-21 | 2023-04-21 | Monitoring device of power distribution automation master station |
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| Country | Link |
|---|---|
| CN (1) | CN219833840U (en) |
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2023
- 2023-04-21 CN CN202320915550.0U patent/CN219833840U/en active Active
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