CN212114897U

CN212114897U - Hand-held type simulation main website

Info

Publication number: CN212114897U
Application number: CN202020965389.4U
Authority: CN
Inventors: 谢海涛; 卢东亮
Original assignee: Zhuhai Radiance Electric Co ltd
Current assignee: Zhuhai Radiance Electric Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-12-08
Anticipated expiration: 2030-05-29

Abstract

The utility model relates to the technical field of power system distribution network automation, in particular to a handheld simulation master station, which comprises a USB interface, an Ethernet interface and a variable communication interface; the handheld simulation master station receives a configuration file through the USB interface; the handheld simulation master station is connected with the distribution network automation terminal through the variable communication interface and the communication line, or is connected with the distribution network automation terminal through the Ethernet interface and the network line. The utility model solves the problems that the prior simulation master station can only operate in personal PC and is driven by notebook storage battery or 220V voltage, so that the application range of the simulation master station is narrow and the field use is inconvenient; and the problem that the existing simulation master station has poor flexibility and can not be generally applied because the data interaction sequence of the existing simulation master station needs to be adjusted according to the communication protocol of the application environment of the existing simulation master station.

Description

Hand-held type simulation main website

Technical Field

The utility model relates to a power system distribution network automation technical field, in particular to hand-held type simulation main website.

Background

Before distribution network automation is online, a distribution network automation terminal and a main station are required to be matched and debugged, the main station where the distribution network automation terminal is collected in most of the existing cities is centrally located in a city power supply station, and the main station of the power supply station debugs in a one-to-many mode, so that time is urgent. However, debugging grounding is often caused by problems such as hardware wiring errors or network distribution automation terminal configuration errors in the test process. On-site commissioning before commissioning of the master station becomes necessary on site. Most of the existing analog master stations run in personal computers in the form of application programs, and the application programs complete the network 104 by the hardware of the computer or complete the functions of the serial port 101 analog master station by a USB to 232 module. And the distribution network automation terminal is suitable for the field, the hardware condition is poor, and before no power transmission, the 220v direct current power supply may not be stable. There may be no place suitable for placing a notebook computer.

In consideration of the fact that manufacturers of the local main stations are not consistent at present, communication protocols between some provinces and cities are also characterized, so that the interaction sequence between the local main stations and the DTU is inconsistent, and the difference can cause the problems of unmatched distribution network automation terminals such as disconnection, failure and the like.

Therefore, a handheld analog master station device is produced.

SUMMERY OF THE UTILITY MODEL

The invention of the utility model aims to provide a hand-held simulation master station, which is mainly used for solving the problems that the application range of the simulation master station is narrow and the environmental requirement is high because the existing simulation master station can only be driven by 220V high-voltage electricity; and the problem that the existing simulation master station has poor flexibility and can not be generally applied because the data interaction sequence of the existing simulation master station needs to be adjusted according to the communication protocol of the application environment of the existing simulation master station.

The utility model provides a hand-held simulation master station, which comprises a USB interface, an Ethernet interface and a variable communication interface; the handheld simulation master station receives a configuration file through the USB interface; the handheld simulation master station is connected with the distribution network automation terminal through the variable communication interface and the communication line, or is connected with the distribution network automation terminal through the Ethernet interface and the network line.

Preferably, the variable communication interface is switchable to an 232 interface or a 485 interface, and the 232 interface and the 485 interface are switched through an internal dial switch.

Preferably, the handheld analog master station receives a driving current from a storage battery of the distribution automation terminal.

Preferably, the working voltage of the handheld analog master station is a wide voltage of 5V to 60V.

Preferably, a display screen for displaying real-time data and communication status is included.

Preferably, an input device is included that receives external control instructions.

Preferably, the input device is a touch screen.

Preferably, the display screen and the touch screen are both 10.1 inches.

From the above, use the utility model provides a technical scheme can obtain following beneficial effect:

first, the utility model provides a simulation master station is provided with variable communication interface, and this variable communication interface can switch into 232 interfaces or 485 interfaces according to actual need, satisfies under most application environment with the information reception and the transmission of distribution network automation terminal, has improved the commonality of simulation master station;

second, the utility model provides a simulation main website directly regards as drive power supply with the battery at distribution network automation terminal, and is comparatively light, has improved and has used the flexibility.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of connection between a handheld analog master station and an external storage device and a distribution network automation terminal according to an embodiment of the present invention;

FIG. 2 is a block diagram of a handheld analog master station in an embodiment of the present invention;

fig. 3 is the embodiment of the utility model provides an in the embodiment simulation master station to the setting flow chart of distribution network automation terminal.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

The existing simulation master station can only be driven by a 220V alternating current power supply, so that the problems of narrow application range and high environmental requirement of the simulation master station are caused; and the problem that the existing simulation master station has poor flexibility and can not be generally applied because the data interaction sequence of the existing simulation master station needs to be adjusted according to the communication protocol of the application environment of the existing simulation master station.

As shown in fig. 1 and fig. 2, in order to solve the above problem, the present embodiment provides a handheld analog master station, which mainly includes a USB interface 11, an ethernet interface 12, and a variable communication interface 13; the handheld simulation master station receives the configuration file through the USB interface 11; the hand-held simulation master station is connected with the distribution network automation terminal through the variable communication interface 13 and the communication line, or is connected with the distribution network automation terminal through the Ethernet interface 12 and the network line. The net lines comprise parallel net lines and cross net lines.

In this embodiment, the USB interface 11 may be used to connect an external storage device, and the external storage device may access the USB interface 11 through a USB cable, such as a removable hard disk, or directly access the USB interface 11, such as a USB disk.

In this embodiment, the configuration file is pre-stored in the external storage device, and the handheld analog master station configures the distribution network automation terminal, and meanwhile, the configuration information that is configured can be exported to the external storage device through the USB interface 11, so that backup and transfer are facilitated.

Preferably, but not limited to, the variable communication interface 13 can be switched to 232 interface or 485 interface, and the 232 interface and the 485 interface are switched by an internal dial switch.

Specifically, in this embodiment, the simulation master station may complete the 101 in-situ test with the distribution network automation terminal through the USB interface 11 to 232 interface, the USB interface 11 to 485 interface, or directly using the communication line; in-situ testing may also be accomplished 104 via parallel wires or cross wires.

In this embodiment, the ethernet interface 12 and the variable communication interface 13 provide multiple modes for simulating communication connection between the master station and the distribution network automation terminal, and an appropriate communication connection mode can be selected according to actual application conditions to ensure a normal data transmission process, while the USB interface 11 is mainly used for connecting an external storage device with a configuration file, and simultaneously, it should be ensured that the interface can realize bidirectional data transmission, so that the input of the configuration file and the output data channel of the configuration information are unobstructed.

More specifically, the handheld analog master station receives drive currents from the batteries of the distribution automation terminal.

Preferably, the operating voltage of the hand-held analog master station is a wide voltage of 5V to 60V.

In this embodiment, when the connection between the handheld analog master station and the distribution network automation terminal is completed, the handheld analog master station is powered on under the driving of the storage battery of the distribution network automation terminal, and functions such as checking real-time data of the distribution network automation terminal are realized.

In this embodiment, the wide voltage of 5V to 60V covers the battery voltages of different distribution network automation terminals, so that the simulation master station of this embodiment is suitable for most distribution network automation terminals, and the application range of the simulation master station is expanded.

More specifically, the simulation master station further comprises a display screen for displaying real-time data and communication states, and an input device for receiving external control instructions.

Preferably, but not limited to, the display screen is a 10.1 inch liquid crystal display screen, the input device is a 10.1 inch touch screen, and more preferably, the display screen and the input device are 10.1 inch liquid crystal touch screens. If the liquid crystal touch screen 14 is selected as the display screen and the input device in this embodiment, it is ensured that the structure of the handheld analog master station is more simplified, the size is small, and the flexibility is improved.

Preferably, but not limited to, the handheld analog master station is further provided with a plurality of indicator lights 15, and any one of the indicator lights 15 can be used to indicate whether a current function is normally operated, so that a user can realize a simple detection process through the handheld analog master station, and specifically, the handheld analog master station may include a power indicator light, a communication indicator light, and the like.

In this embodiment, an operator may import a configuration file in the form of a usb disk (or other external storage devices), and modify a graphical interface through a touch screen, so as to facilitate various configurations, including terminal configuration: network port ip, port number, serial port number, baud rate, stop bit, check code and data bit; also included in the protocol, 101, 104 protocol configuration: the number of public address bytes, the number of transmission reason bytes, the number of information header address bytes, the SOE type, the remote control type, the fixed value type, the electric degree type and the like, and meanwhile, the configuration information can also be exported to a U disk (or other external storage devices) through a graphical interface, so that backup and transplantation are facilitated.

Preferably, in the hand-held analog master station terminal, an integrated test of a communication protocol can be performed through an analog button, and a distributed test of a "master station system command" and a "remote fixed value read-write" can also be performed through a graphical interface, wherein the master station system command includes "initialization", "total call", "time synchronization", "time reading", "power call", "remote control", "remote measurement", "remote signaling", and "link reset". In the operation process, communication messages can be checked through the right side of the screen, and the bottom of each communication message contains simple explanations about the message; the remote definite value reading comprises operations of ' definite value area number setting ', ' fixed value switching region ', ' fixed value reading region ' reading, intrinsic reading ', ' fixed value presetting ', ' fixed value solidifying ' and ' prefabrication canceling '.

Referring to fig. 3, for example, when huizhou goes to a field test for the first time, the specific process of using the analog master station of the present embodiment is to know the communication protocol IEC101 standard of the huizhou power supply bureau, including the address length of an information body, the type of total calling remote signaling, the type of remote control, and the type of SOE uploading; and then determining a specific message sending sequence, including time setting, heartbeat interval and the like. The hand-held analog master station is configured based on the information obtained from the master station. After the setting is finished, the configuration file is exported from the handheld simulation master station and synchronized with the distribution network automation terminal, and the configuration of the master station and the slave station is finished. The handheld analog master station is then connected with a shielded twisted pair. And testing after the wiring is confirmed, and adjusting the secondary side wiring of the plant when a problem is encountered. Finally, the local test of the communication protocol is completed. And (5) completing the butt joint with the master station in half an hour on the day of the formal commissioning of the equipment.

In summary, the handheld simulation master station provided in this embodiment is mainly provided with the ethernet interface and the variable communication interface for being connected with the distribution network automation terminal, so that a more variety of connection modes are provided, the configuration process of the distribution network automation terminal in different regions and models is satisfied, the application range of the handheld simulation master station is expanded, and the flexibility is improved.

The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.

Claims

1. A hand-held analog master station, comprising: the USB interface, the Ethernet interface and the variable communication interface are included; the handheld simulation master station receives a configuration file through the USB interface; the handheld simulation master station is connected with the distribution network automation terminal through the variable communication interface and the communication line, or is connected with the distribution network automation terminal through the Ethernet interface and the network line.

2. A hand-held analog master station as claimed in claim 1, wherein: the variable communication interface can be switched to an 232 interface or a 485 interface, and the 232 interface and the 485 interface are switched through an internal dial switch.

3. A hand-held analog master station as claimed in claim 2, wherein: and the handheld simulation master station receives the driving current of the storage battery from the distribution network automation terminal.

4. A hand-held analog master station as claimed in claim 3, wherein: the working voltage of the handheld analog master station is wide voltage of 5V-60V.

5. A hand-held analog master station as claimed in claim 4, wherein: the system comprises a display screen for displaying real-time data and a communication state.

6. A hand-held analog master station as claimed in claim 5, wherein: an input device is included that receives external control commands.

7. A hand-held analog master station as claimed in claim 6, wherein: the input device is a touch screen.

8. A hand-held analog master station as claimed in claim 7, wherein: the display screen and the touch screen are both 10.1 inches.