CN218102716U

CN218102716U - On-site centralized control device

Info

Publication number: CN218102716U
Application number: CN202221074925.7U
Authority: CN
Inventors: 梁允桢
Original assignee: Zhuhai Wharton Intelligent Information Technology Co ltd
Current assignee: Zhuhai Wharton Intelligent Information Technology Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-12-20
Anticipated expiration: 2032-05-07

Abstract

The utility model aims at providing a realize with many information display's of screen centralized control on the spot device. The utility model discloses a core computational element, ESAM safety module, network switching unit, display screen, touch-sensitive screen and power, ESAM safety module with network switching unit all with the core computational element electricity is connected, the power supplies to press the core computational element ESAM safety module the network switching unit TFT display screen and the touch-sensitive screen. The utility model discloses be applied to distribution network automation's technical field.

Description

On-site centralized control device

Technical Field

The utility model discloses be applied to distribution network automation's technical field, in particular to centralized control device on the spot.

Background

With the development of the electric power automation technology, the distributed distribution network automation gradually becomes a mainstream distribution network automation technology, a distribution network terminal device for realizing real-time acquisition and monitoring of a distribution switch cabinet in the existing distribution network automation system is mainly a measurement and control unit, the distributed system mainly comprises a plurality of distributed measurement and control units, a communication management machine and an execution mechanism, and as no local display unit exists, a plurality of problems and inconvenience are brought to field debugging personnel and user use processes. The current distributed DTU generally adopts 160 dot matrix LCD display screens, the content information that the screen can show is limited, show content and warning message and need separately many screens to show, bring very big inconvenience for field debugging and use, because the user is higher and higher to the functional requirement, present distributed DTU's function is also more and more complicated, the parameter of optical configuration can reach several hundred as many as possible, the key operation that needs continuous many times of button all sometimes in order to revise a certain parameter can be accomplished in the scene, it is both time-consuming and easy to make mistakes to carry out parameter configuration with the demonstration of DTU device itself and button, consequently it is necessary to provide one kind and realizes the centralized control device on the spot that shows of many information on the same screen.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, provide a realize with many information display's of screen centralized control device on the spot.

The utility model adopts the technical proposal that: the utility model discloses a core computational element, ESAM safety module, network switching unit, TFT display screen, touch-sensitive screen and power, ESAM safety module with network switching unit all with the core computational element electricity is connected, the power supplies to press and gives the core computational element ESAM safety module the network switching unit the TFT display screen and the touch-sensitive screen.

According to the scheme, the power supply converts the input voltage into various voltages required by the interior so as to ensure the supply of the system power supply of the local centralized control device; the core computing unit comprises an industrial computer consisting of a high-master-frequency multi-core CPU and peripheral circuits thereof and is responsible for all software computing and control logic processing; the ESAM security module is used for key management and data encryption and decryption algorithms of security data exchange; the network switching unit is used for data receiving and transmitting, data switching and communication routing processing of all communication ports; the TFT display screen is used for displaying all human-computer interaction interfaces, and different sizes can be changed according to actual requirements of customers; the touch screen and the TFT display screen are combined together to replace a mechanical keyboard for inputting all human-computer interaction data information.

The local centralized control device is an intelligent power device, integrates the functions of a communication management machine, an edge computer, data encryption and local display, and also has flexible customized functions for users. The on-site centralized control device supports various existing communication protocols, can solve the problem of unreliable networking communication between local and remote places, can replace an existing communication manager unit and realize multi-information display on the same screen, and brings great flexibility to debugging and use. The distributed distribution network automation system overcomes the defect that the existing distributed distribution network automation system does not have local display or incomplete display information, shortens the field debugging time of equipment and improves the production efficiency of equipment manufacturers.

Preferably, the local centralized control device further comprises a local storage unit, and the local storage unit is electrically connected with the core computing unit.

According to the scheme, the local storage unit is used for storing all history data and alarm data generated locally.

One preferable scheme is that the power supply adopts DC48V input, two DC/DC modules are connected after a filter circuit, one DC/DC module outputs 5V for communication between the TFT display screen and the touch screen, and the other DC/DC module outputs 3.3V to the core computing unit, the ESAM safety module, the network switching unit and the local storage unit through LDO voltage stabilization.

Drawings

Fig. 1 is an overall block diagram of the present invention;

FIG. 2 is a circuit schematic of the core computational unit;

FIG. 3 is a circuit schematic of the ESAM security module;

FIG. 4 is a circuit schematic of the network switching unit;

FIG. 5 is a schematic circuit diagram of the TFT display and the touch screen;

FIG. 6 is a circuit schematic of the power supply;

fig. 7 is a circuit schematic of the local memory unit.

Detailed Description

As shown in fig. 1 to 7, in this embodiment, the utility model discloses a core calculating unit 1, ESAM security module 2, network switching unit 3, TFT display screen 4, touch-sensitive screen 5 and power 6, ESAM security module 2 with network switching unit 3 all with core calculating unit 1 electricity is connected, power 6 supplies to press give core calculating unit 1 ESAM security module 2 network switching unit 3 TFT display screen 4 and touch-sensitive screen 5.

In this embodiment, the local centralized control device further includes a local storage unit 7, and the local storage unit 7 is electrically connected to the core computing unit 1.

In this embodiment, the power supply 6 adopts a DC48V input, and is connected to two DC/DC modules after passing through a filter circuit, one of the DC/DC modules outputs 5V for communication between the TFT display 4 and the touch screen 5, and the other DC/DC module outputs 3.3V to the core computing unit 1, the ESAM security module 2, the network switching unit 3, and the local storage unit 7 through LDO voltage stabilization.

In this embodiment, the chip type of the local storage unit 7 is D/MMC _ CARD, the first pin, the seventh pin, the eighth pin, and the ninth pin of the D/MMC _ CARD are all connected to the SD1_ DATA port corresponding to the core computing unit 1, the second pin of the D/MMC _ CARD is connected to the SD1_ CMD port of the core computing unit 1, the tenth pin of the D/MMC _ CARD is connected to the SD _ WP port of the core computing unit 1, the eleventh pin of the D/MMC _ CARD is connected to the SD1_ CD port of the core computing unit 1, and the fourth pin of the D/MMC _ CARD is a VDD port connected to a voltage of 3.3V.

In this embodiment, the VCC port of the ESAM security module 2 is divided into two paths, one path is connected to 3.3V voltage, the other path is connected to the first capacitor C4, the other end of the first capacitor C4 is grounded, the second pin and the seventh pin of the ESAM security module 2 are respectively a MOSI1 port and a MOSI2 port, the MOSI1 port and the MOSI2 port are connected to the MOSI port of the core computing unit 1, the third pin and the sixth pin of the ESAM security module 2 are respectively a MISO1 port and a MISO2 port, the MISO1 port and the MISO2 port are connected to the MISO port of the core computing unit 1, the fourth pin and the fifth pin of the ESAM security module 2 are respectively an SSN port and an SCK port, and the SSN port and the SCK port are connected to the corresponding ports of the core computing unit 1.

In this embodiment, the chip type of the touch screen is LCD-40P, a first pin and a second pin of the LCD-40P are both VDD ports connected to 5V voltage, a third pin to a twenty-eighth pin of the LCD-40P are correspondingly connected to an LCD _ DATA port of the core computing unit 1, and an eleventh pin and a twentieth pin are grounded together.

The utility model discloses a theory of operation:

the power supply converts input voltage into various voltages required by the interior so as to ensure the supply of the system power supply of the local centralized control device; the core computing unit comprises an industrial computer consisting of a high main frequency multi-core CPU and a peripheral circuit thereof and is responsible for all software computing and control logic processing; the ESAM security module is used for key management and data encryption and decryption algorithms of security data exchange; the network switching unit is used for data receiving and transmitting, data switching and communication routing processing of all communication ports; the TFT display screen is used for displaying all human-computer interaction interfaces, and different sizes can be changed according to actual requirements of customers; the touch screen and the TFT display screen are combined together to replace a mechanical keyboard for inputting all human-computer interaction data information.

Claims

1. An in-situ centralized control device, comprising: the device comprises a core computing unit (1), an ESAM security module (2), a network switching unit (3), a TFT display screen (4), a touch screen (5) and a power supply (6), wherein the ESAM security module (2) and the network switching unit (3) are electrically connected with the core computing unit (1), and the power supply (6) supplies pressure to the core computing unit (1), the ESAM security module (2), the network switching unit (3), the TFT display screen (4) and the touch screen (5).

2. An in-situ centralized control apparatus as recited in claim 1, wherein: the local centralized control device also comprises a local storage unit (7), and the local storage unit (7) is electrically connected with the core computing unit (1).

3. An in-situ centralized control apparatus as set forth in claim 2, wherein: the power supply (6) adopts DC48V input, two DC/DC modules are connected after passing through a filter circuit, one DC/DC module outputs 5V for communication between the TFT display screen (4) and the touch screen (5), and the other DC/DC module outputs 3.3V voltage to the core computing unit (1), the ESAM safety module (2), the network switching unit (3) and the local storage unit (7) through LDO voltage stabilization.

4. An in-situ centralized control apparatus as recited in claim 2, wherein: the chip model of the local storage unit (7) is D/MMC _ CARD, a first pin, a seventh pin, an eighth pin and a ninth pin of the D/MMC _ CARD are connected with the SD1_ DATA port corresponding to the core calculation unit (1), a second pin of the D/MMC _ CARD is connected with the SD1_ CMD port of the core calculation unit (1), a tenth pin of the D/MMC _ CARD is connected with the SD _ WP port of the core calculation unit (1), an eleventh pin of the D/MMC _ CARD is connected with the SD1_ CD port of the core calculation unit (1), and a fourth pin of the D/MMC _ CARD is a VDD port connected with 3.3V voltage.

5. An in-situ centralized control apparatus as set forth in claim 1, wherein: the VCC port of the ESAM safety module (2) is divided into two paths, one path is connected with 3.3V voltage, the other path is connected with a first capacitor C4, the other end of the first capacitor C4 is grounded, a second pin and a seventh pin of the ESAM safety module (2) are respectively an MOSI1 port and an MOSI2 port, the MOSI1 port and the MOSI2 port are jointly connected with the MOSI port of the core calculation unit (1), a third pin and a sixth pin of the ESAM safety module (2) are respectively a MISO1 port and a MISO2 port, the MISO1 port and the MISO2 port are jointly connected with the MISO port of the core calculation unit (1), a fourth pin and a fifth pin of the ESAM safety module (2) are respectively an SSN port and an SCK port, and the SSN port and the SCK port are respectively connected with the corresponding ports of the core calculation unit (1).

6. An in-situ centralized control apparatus as recited in claim 1, wherein: the chip type of the touch screen is LCD-40P, a first pin and a second pin of the LCD-40P are both VDD ports connected with 5V voltage, a third pin to a twenty-eighth pin of the LCD-40P are correspondingly connected with an LCD _ DATA port of the core computing unit (1), and an eleventh pin and a twentieth pin are grounded together.