CN216981608U

CN216981608U - Station terminal

Info

Publication number: CN216981608U
Application number: CN202220234824.5U
Authority: CN
Inventors: 杨勇; 严永生; 杨运秀; 林国伟
Original assignee: Aerospace Yinshan Electric Co ltd
Current assignee: Aerospace Yinshan Electric Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-07-15
Anticipated expiration: 2032-01-27

Abstract

The utility model discloses a station terminal, which comprises a main board, a plurality of interval units, a voltage power supply unit and a bus board, wherein the interval units are arranged on the main board; the mainboard comprises a real-time core and a management core which are electrically connected with each other; the spacing unit and the voltage power supply unit are electrically connected with the mainboard through the bus boards respectively. According to the station terminal, the interval units are used for realizing remote signaling remote control and remote measurement of the outgoing line interval, acquisition and transformation of current signals, opening and closing of signals and the like, and state information acquired by all the interval units is transmitted to the main board through the bus board; the main board adopts a dual-core processor mode and comprises a real-time core and a management core, wherein the real-time core is responsible for remote control and remote measurement of remote signaling, fault analysis and the like, and the management core is used for realizing communication between the main board and a main station; the voltage power supply unit is used for collecting and converting voltage signals, providing a working power supply and an operating power supply for the mainboard and the like. The station terminal has simple and reliable structure and high applicability, and meets the requirements of high speed and reliability.

Description

Station terminal

Technical Field

The utility model relates to the technical field of electrical equipment, in particular to a station terminal.

Background

The existing station terminal (DTU) has various appearance sizes and interface forms, and has the problems of complex internal wiring, inconvenient installation and deployment, low communication rate and the like.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the station terminal which is simple in structure and high in applicability.

The station terminal according to the embodiment of the present invention includes: the mainboard comprises a real-time core and a management core which are electrically connected with each other; a plurality of spacing units; a voltage power supply unit; and the spacing unit and the voltage power supply unit are electrically connected with the mainboard through the bus boards respectively.

The station terminal according to the embodiment of the utility model has at least the following beneficial effects: the interval units are used for realizing remote signaling remote control and remote measurement of the outgoing line interval, acquisition and transformation of current signals, opening and closing of signals and the like, and state information acquired by all the interval units is transmitted to the mainboard through the bus board; the main board adopts a dual-core processor mode and comprises a real-time core and a management core, wherein the real-time core is responsible for remote control and remote measurement of remote signaling, fault analysis and the like, and the management core is used for realizing communication between the main board and a main station; the voltage power supply unit is used for realizing the acquisition and transformation of voltage signals, providing a working power supply and an operating power supply for the mainboard and the like; the station terminal provided by the embodiment of the utility model has the advantages of simple and reliable structure and high applicability, and the mainboard adopts a dual-core processor mode, so that the high-speed and reliable requirements are met.

According to some embodiments of the utility model, the electronic device further comprises a lamp panel electrically connected with the mainboard.

According to some embodiments of the utility model, the lamp panel and the motherboard are electrically connected through an I2C bus.

According to some embodiments of the utility model, the real-time core and the management core are electrically connected through an SPI bus.

According to some embodiments of the utility model, the real-time core comprises: a first master control chip; the ADC chip is electrically connected with the first main control chip; NAND FLASH, EFPROM and FLSAH, which is connected to the first main control chip.

According to some embodiments of the utility model, the management core comprises: a second master control chip; the Ethernet module is electrically connected with the second main control chip; the RS232 module or the RS485 module is electrically connected with the second main control chip; and the RTC module is electrically connected with the second main control chip.

According to some embodiments of the utility model, the spacer unit comprises a CT module, an open loop and a line loss module.

According to some embodiments of the present invention, the voltage power supply unit includes a PT module, an operating power supply module, and an operating power supply module.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a block diagram of a station terminal according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a station terminal according to an embodiment of the present invention;

reference numerals:

the system comprises a main board 100, a real-time core 110, a management core 120, a spacing unit 200, a voltage power supply unit 300, a bus board 400 and a lamp panel 500.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

As shown in fig. 1 and 2, a station terminal according to an embodiment of the present invention includes a main board 100, a plurality of bay units 200, a voltage power supply unit 300, and a bus board 400; the motherboard 100 includes a real-time core 110 and a management core 120 electrically connected to each other; the spacing unit 200 and the voltage power supply unit 300 are electrically connected to the main board 100 through bus boards 400, respectively.

Specifically, the station terminal according to the embodiment of the present invention includes a plurality of spacer units 200 (the specific number is not limited), the spacer units 200 are used to implement remote signaling and remote sensing of the outgoing line interval, acquisition and transformation of current signals, opening and closing of signals, and the like, and the state information acquired by all the spacer units 200 is transmitted to the main board 100 through the bus board 400. The main board 100 adopts a dual-core processor mode, and includes a real-time core 110 and a management core 120, the real-time core 110 is responsible for remote control and remote measurement of remote signaling, fault analysis and the like, and the management core 120 is used for realizing communication between the main board 100 and a main station. The voltage power supply unit 300 is used for collecting and converting voltage signals, and providing working power supply and operating power supply for the motherboard 100. The station terminal according to the embodiment of the utility model has the advantages of simple and reliable structure and high applicability, and the mainboard 100 adopts a dual-core processor mode, thereby meeting the requirements of high speed and reliability.

As shown in fig. 1, the station terminal according to the embodiment of the present invention further includes a lamp panel 500, and the lamp panel 500 is electrically connected to the main board 100. When the main board 100 finds the fault information, the lamp panel 500 is controlled to emit light, so that the fault information is prompted. The lamp panel 500 is in communication connection with the motherboard 100 in a manner of I2C bus.

In some embodiments of the utility model, the real-time core 110 and the management core 120 are electrically connected through an SPI bus. Adopt SPI's communication mode between the core, CAN solve the problem that conventional DTU communication rate is low, communication rate is 4 ~ 8 times of RS485 or CAN, is fit for the quick transmission of a large amount of data between the core.

As shown in fig. 1, in some embodiments of the utility model, the real-time core 110 includes at least one of a first main control chip, an ADC chip, and NAND FLASH (NAND flash), an EFPROM (Electrically Erasable Programmable read only memory), and FLSAH (flash memory). The first main control chip is an STM32H7 chip (it is understood that the specific model of the first main control chip is not limited). The ADC (Analog-to-Digital Converter) chip is configured to collect an Analog signal sent by the spacing unit 200, convert the Analog signal into a Digital signal, and send the Digital signal to the first main control chip for processing. NAND FLASH, EFPROM, FLSAH are used to realize the buffer storage and storage of data. The real-time core 110 is mainly responsible for remote signaling, remote sensing, fault information analysis, and the like.

As shown in fig. 1, in some embodiments of the present invention, the management core 120 includes a second main control chip, an ethernet module, an RS232 module or an RS485 module, and an RTC (Real Time Clock) module, where the second main control chip may employ a common ARM processor, the ethernet module, the RS232 module or the RS485 module is used to implement communication between the management core 120 and the master station, the RTC module provides an accurate Clock signal for the management core 120, and the management core 120 is mainly responsible for implementing communication between the motherboard 100 and the master station.

As shown in fig. 1, in some embodiments of the present invention, the spacing unit 200 includes a CT (Current Transformer) module, an open loop, and a line loss module. The CT module is configured to collect a primary-side large current signal and convert the primary-side large current signal into a secondary-side small current signal for the motherboard 100 to collect; the open circuit and the open circuit are used for controlling the opening and closing of signals; the line loss module is used for measuring and collecting the electric energy loss on the transmission line, and sending the collected information to the main board 100.

As shown in fig. 1, in some embodiments of the present invention, the voltage power supply unit 300 includes a PT (Potential Transformer) module, an operating power supply module, and an operating power supply module. The PT module is configured to collect a primary-side large voltage signal and convert the primary-side large voltage signal into a secondary-side small voltage signal for the motherboard 100 to collect; the working power supply module is used for providing a 24V working power supply for the mainboard 100; the operation power supply module is used for providing 48V operation power supply for the mainboard 100.

As shown in fig. 2, in some embodiments of the present invention, a bus board 400 is used to implement signal transmission between the main board 100 and the spacing unit 200.

In the description herein, references to the description of "one embodiment," "a further embodiment," "some specific embodiments," or "some examples," etc., mean that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A station terminal, comprising:

the mainboard comprises a real-time core and a management core which are electrically connected with each other;

a plurality of spacing units;

a voltage power supply unit;

and the spacing unit and the voltage power supply unit are electrically connected with the mainboard through the bus boards respectively.

2. The station terminal according to claim 1, further comprising a lamp panel electrically connected to the main board.

3. The station terminal according to claim 2, wherein the lamp panel is electrically connected to the main board through an I2C bus.

4. The station terminal according to claim 1, wherein the real-time core and the management core are electrically connected through an SPI bus.

5. The station terminal according to claim 1, wherein the real-time core comprises:

a first master control chip;

the ADC chip is electrically connected with the first main control chip;

NAND FLASH, EFPROM and FLSAH, which is connected to the first main control chip.

6. The station terminal according to claim 1, wherein the management core comprises:

a second master control chip;

the Ethernet module is electrically connected with the second main control chip;

the RS232 module or the RS485 module is electrically connected with the second main control chip;

and the RTC module is electrically connected with the second main control chip.

7. The station terminal of claim 1, wherein the spacing unit comprises a CT module, an open loop, and a line loss module.

8. The station terminal according to claim 1, wherein the voltage power supply unit includes a PT module, an operating power supply module, and an operating power supply module.