CN210573772U - Be applied to ubiquitous electric power thing networking intelligent management equipment - Google Patents

Abstract

The utility model discloses a be applied to ubiquitous electric power thing networking intelligent management equipment, include: the device comprises a shell, and a circuit board, an acquisition unit and a current-voltage transformer which are arranged in the shell; an intelligent management unit and a storage unit connected with the intelligent management unit are integrated on the circuit board; the intelligent management unit includes: an SCM602 universal computing chip, an ER7022EH detection chip and an HZ3011 carrier chip; the acquisition unit is connected with the SCM602 general computing chip; the current-voltage transformer is respectively connected with the ER7022EH detection chip and the HZ3011 carrier chip. The device realizes real-time data monitoring, comprehensive state sensing, accurate source end calculation and efficient device interconnection. The line loss analysis of the transformer area can be changed from depending on the personal ability of a transformer area manager into brain automatic analysis, active reminding, accurate judgment and decision participation, and the line loss treatment efficiency is greatly improved.

Description

Be applied to ubiquitous electric power thing networking intelligent management equipment

Technical Field

The utility model relates to a ubiquitous electric power thing networking field, in particular to be applied to ubiquitous electric power thing networking intelligent management equipment.

Background

The internet of things is used in the process of building modern power grids in all countries, but the application emphasis points of the internet of things are different. In Europe, the main reasons for actively developing smart power grids in various countries are to promote power supply safety, save energy, reduce emission and develop low-carbon economy, and under the driving force, the application of the European power industry to the Internet of things is more inclined to the direction of clean energy and environmental protection; in Japan, renewable energy access, energy conservation, consumption reduction and demand response are main driving forces for developing an intelligent power grid in Japan, and the application of the Japan power industry to the Internet of things mainly lies in the fields of new energy power generation monitoring and prediction, intelligent electric meter measurement, micro-grid system monitoring and the like; in China, the technology of the Internet of things provides technical support for improving the efficiency and the power supply reliability of a power grid, and the RFID technology, various sensors, positioning technology, image acquisition technology and the like enable services such as warehouse management, transformer substation monitoring, emergency repair positioning and scheduling, routing inspection positioning, fault identification and the like to be flexibly, efficiently and reliably applied intelligently.

At present, the specific definition of the national network on the ubiquitous power internet of things is not formed, and all links of traditional power production, transmission and consumption are informationized and can be called as the ubiquitous power internet of things. In terms of the technical reserve of the current national grid, the enhancement of the perception, communication, calculation and analysis capabilities of the power grid is a foreseeable development direction thereof. The working target of creating a full-service ubiquitous power Internet of things, building an intelligent enterprise and leading the construction of a world first-class energy Internet enterprise with excellent competitiveness is provided in 2018 of the national network communication working conference, and the technical planning of constructing the national network-power Internet of things SG-eIoT (electric Internet of things) is provided. The method is expected to comprehensively use new communication technologies such as 'cloud thing moving intelligence' and the like, mutually permeate and deeply fuse with a new generation of power system, connect people, machines and things in each link of energy power production and consumption on line in real time, and comprehensively bear and communicate with services such as power grid production operation, enterprise management and external customer service. The terminal layer shows the connection capability of all things interconnection, the network layer shows the ubiquitous and untimely communication capability, and the platform layer shows the control capability of panoramic equipment and data.

The current station management equipment in the market comprises a station identification instrument, an electricity utilization inspection instrument, a low-voltage station area analyzer, a power-stealing prevention white cat, a station data doctor and the like, and mostly adopts a big data and cloud computing mode, so that the data precision is not enough, the monitoring and identification accuracy is low, and edge equipment cannot be interconnected and intercommunicated.

And has the following problems:

(1) the state perception is difficult: environmental parameters and running states of equipment at the edge of a platform area cannot be comprehensively mastered and are not compatible with video monitoring equipment;

(2) data monitoring is difficult: data such as equipment load rate, voltage and current and the like are difficult to monitor in real time;

(3) the equipment interconnection is difficult: the edge equipment has various types and incompatible communication, and cannot meet the requirement of equipment interconnection;

(4) local computation is difficult: at present, the data of the platform area is calculated in a cloud computing mode, and the local data cannot be effectively calculated, so that the delay is high, and the transmission cost is high.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is provided to provide an intelligent management device for ubiquitous power internet of things that overcomes or at least partially solves the above problems.

The embodiment of the utility model provides a be applied to ubiquitous electric power thing networking intelligent management equipment, include: the device comprises a shell, and a circuit board, an acquisition unit and a current transformer which are arranged in the shell;

an intelligent management unit and a storage unit connected with the intelligent management unit are integrated on the circuit board;

the intelligent management unit includes: an SCM602 universal computing chip, an ER7022EH detection chip and an HZ3011 carrier chip;

the acquisition unit is connected with the SCM602 general computing chip;

the current transformer is respectively connected with the ER7022EH detection chip and the HZ3011 carrier chip.

Furthermore, a monitoring camera is arranged on one side outside the shell;

the SCM602 general-purpose computing chip is connected with the monitoring camera and stores the acquired image in a storage unit.

Further, the acquisition unit includes:

temperature and humidity sensor, smoke sensor, current sensor, voltage sensor and leakage current sensor.

Further, the storage unit is any one of the following:

SD, MMC, TF and MicroSD cards.

Further, the current-voltage transformer is a ZEMCTK8-12 three-phase type buckle transformer.

Furthermore, the circuit board is an A-level double-sided copper-coated epoxy resin board.

Further, the circuit board extends out of the shell and is provided with four groups of wiring terminals;

a first group; 4 core wires which are connected with A, B, C, N on the outgoing side of the switch respectively according to yellow, green, red and black;

second group: three-phase buckle formula mutual-inductor carries out the current sample from the side of being qualified for the next round of competitions of switch to 2 heart yearns of three group's current sample of access, wherein: the yellow, green and red lines correspond to voltage A, B, C;

third group: a group of red and black lines are power supplies of the equipment, and power is taken from the incoming line side of the switch;

and a fourth group: the 4 lines are two 485 communication ports, wherein yellow and green are a group, represent A + B-of RS485, belong to an uplink communication port and are used for locally debugging equipment; the brown and white are a group, represent that A + B-of RS485 belongs to a downlink communication port and are used for managing the electric energy meter.

Further, a sealing gasket belt is arranged between the wiring terminal and the main body shell.

Furthermore, an indicator lamp set is arranged on the shell; the indicating lamp group is connected with the intelligent management unit;

the indicator light set includes: the operation lamp, communication lamp, active lamp, 485I lamp and 485II lamp.

The embodiment of the utility model provides a pair of be applied to ubiquitous electric power thing networking intelligent management equipment, include: the device comprises a shell, and a circuit board, an acquisition unit and a current-voltage transformer which are arranged in the shell; an intelligent management unit and a storage unit connected with the intelligent management unit are integrated on the circuit board; the intelligent management unit includes: an SCM602 universal computing chip, an ER7022EH detection chip and an HZ3011 carrier chip; the acquisition unit is connected with the SCM602 general computing chip; the current-voltage transformer is respectively connected with the ER7022EH detection chip and the HZ3011 carrier chip. The device realizes real-time data monitoring, comprehensive state sensing, accurate source end calculation and efficient device interconnection. The line loss analysis of the transformer area can be changed from depending on the personal ability of a transformer area manager into brain automatic analysis, active reminding, accurate judgment and decision participation, and the line loss treatment efficiency is greatly improved.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is the embodiment of the utility model provides a be applied to ubiquitous electric power thing networking intelligent management equipment stereogram.

Fig. 2 is a block diagram of the internal structure of fig. 1 according to an embodiment of the present invention.

Fig. 3 is a schematic diagram of an environment in which the intelligent management device is used according to an embodiment of the present invention.

Fig. 4 is a schematic diagram of an intelligent management unit according to an embodiment of the present invention.

Fig. 5 is an appearance schematic diagram of the intelligent management device applied to the ubiquitous power internet of things.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Referring to fig. 1-2, the embodiment of the utility model provides a be applied to ubiquitous electric power thing networking intelligent management equipment, include: the device comprises a shell 1, and a circuit board 2, an acquisition unit 3 and a current-voltage transformer 4 which are arranged in the shell 1; the shell 1 as a non-metal shell should meet the flame retardant requirements of GB/T5169.11.

The circuit board 2 is integrated with an intelligent management unit 21 and a storage unit 22 connected with the intelligent management unit 21; wherein: the intelligent management unit 21 is: the SCM602 universal computing chip 211, the ER7022EH detection chip 212 and the HZ3011 carrier chip 213;

the acquisition unit 3 is connected with an SCM602 general computing chip, the current voltage transformer 4 is respectively connected with an ER7022EH detection chip and an HZ3011 carrier chip, and the current voltage information is monitored through a miniature voltage current transformer.

The device realizes real-time data monitoring through the acquisition unit; an SCM602 universal computing chip, an ER7022EH detection chip and an HZ3011 carrier chip are adopted to form an intelligent management unit, and powerful support is provided for edge computing, data analysis and state decision. And the comprehensive state sensing, the accurate calculation of the source end and the high-efficiency interconnection of equipment are realized. The line loss analysis of the transformer area can be changed from depending on the personal ability of a transformer area manager into brain automatic analysis, active reminding, accurate judgment and decision participation, and the line loss treatment efficiency is greatly improved.

Further, install camera 5 in the table case, be connected with intelligent management unit through integrated circuit, uncap the case, steal the electric action and carry out video recording, provide strong evidence for stealing the electricity and look over the department to can save in the memory cell in real time.

The camera parameters are as follows:

the size of the module plate is as follows: 32mm by 32 mm;

image sensor type CMOS1/4 inch;

pixel size: 5.6um by 5.6 um;

and (3) output format: standard JPEG/M-JPEG;

image size: VGA (640 × 480), QVGA (320 × 240), QCIF (160 × 120);

visual angle: default 90 degree 3.6mm lens (150-1850 optional)

Working voltage: DC + 5V;

working current: 75 mA;

communication interface: and RS 485.

The storage unit may be any one of SD, MMC, TF, and MicroSD cards, and stores important information such as video and images by adding a large-capacity memory card. For example, in fig. 3, an unlocking mechanism based on remote authorization of a national network security chip ESAM is installed, an unlocking work order is triggered through an electronic work ticket, a mobile operation terminal receives the work order, a meter box bar code is scanned on site to unlock, and unlocking can be performed through a remote authorization secret key.

For example, when the TF card is selected, the parameters are as follows:

storage type TF (microSD) card;

reading and writing speed: c10;

maximum reading speed: 80 MB/S;

maximum writing speed: 10 MB/S;

flash card speed rating: UHS-I.

Further, the above-mentioned acquisition unit 3 includes:

temperature and humidity sensor, smoke sensor, current sensor, voltage sensor, leakage current sensor, etc. Temperature and humidity sensing and leakage current protection sensors are applied, sensitive temperature and humidity sensing is achieved, accurate sensing of temperature and humidity out-of-limit is achieved, and personal safety is guaranteed through leakage current protection.

Referring to fig. 4, an SCM602 universal computing chip of the national grid chip has an access port of a temperature and humidity sensor, an access port of a leakage current sensor, and an RS485 communication port. The ER7022EH detection chip obtains sampling data through three-phase power lines (when bare copper bars are used), wherein yellow, green and red generally respectively represent U, V, W three phases.

The HZ3011 carrier chip collects Internet of things data through the existing power line without rewiring, and integrates two high-performance 32-bit CPUs, a flexible and reliable PLC MAC, a PLC PHY based on OFDM modulation and demodulation, a high-cost-performance Analog Front End (AFE) and rich peripheral interfaces (UART, SPI, I2C, I2S, GPIO and the like). HZ3011 was packaged in 48-Pin QFN packages, 6mm by 6 mm.

Referring to fig. 5, the appearance of the device, left-view, front-view and right-view, such as dimensions (length, width and height): 100mm by 60mm by 50 mm.

Further, referring to fig. 1, the circuit board 2 has four sets of terminals extending out of the housing 1, which are:

a. a group of 4 core wires which are respectively connected with A, B, C, N on the outgoing line side of the switch according to yellow, green, red and black;

b. the three-phase buckle type mutual inductor samples current from the outlet side of the switch and is connected with three groups of 2 core wires for current sampling, and the yellow, green and red wires correspond to voltage A, B, C;

c. the other group of 6 core wires, the red and black wires are the power supply of the equipment, and power is taken from the incoming line side of the switch;

d. in addition, the 4 lines are two 485 communication ports, wherein yellow and green are a group, represent A + B-of RS485, belong to an uplink communication port and are used for locally debugging equipment. Brown and white are a group, represent that A + B-of RS485 belongs to a downlink communication port, and can manage 32 electric energy meters at most.

In this embodiment, the connection terminal should be made of an insulating, flame-retardant and ultraviolet-proof environment-friendly material, and is required to have sufficient insulating property and mechanical strength. A sealing gasket belt is arranged between the wiring terminal and the main body shell, and sealing is good. The external connecting wires of the module are required to pass through the wiring terminals, and the strong current terminals and the weak current terminals are separately arranged and have effective insulation and isolation. The minimum electrical clearance and creepage distance of the terminal block should meet the requirements of this section. The flame retardant property of the terminal block is in accordance with the flame retardant requirement of GB/T5169.11.

Furthermore, the shell 1 is provided with an indicator lamp group; the indicating lamp group is connected with the intelligent management unit and comprises the following components in the following table 1:

table 1:

wherein: the current transformer parameters are shown in table 2:

table 2:

transformation ratio: 200/1, 500/1, 1000/1;

precision: 0.5S;

voltage class: 0.4 kV;

secondary capacity: 5VA

The related wire diameter parameters are as follows:

phase a of the ac three-phase circuit: yellow;

phase B of the ac three-phase circuit: green;

phase C of the ac three-phase circuit: red;

zero or neutral line: black;

ac power line: red and black.

Furthermore, the circuit board is an oxidation-resistant and corrosion-resistant A-grade double-sided copper-coated epoxy resin board which is subjected to insulation and corrosion-resistant treatment.

All components in the equipment can be rustproof and oxidation-proof, and fastening points are firm. The internal electronic components (except the power supply device) are preferably produced by using a surface mount technology and using a chip component. The circuit board is welded by adopting reflow soldering and wave soldering processes. Sufficient clearance and safety distance should be kept between terminal button screw, lead wire and between the circuit board in the district intelligent management unit.

Heavier devices such as a power transformer and the like are not suitable for being directly welded on a circuit board, and are necessarily directly welded, and corresponding measures are provided to ensure normal use under the actual use condition.

The utility model discloses a state net core SCM602 general calculation chip, communication chip, gather the chip and assemble into intelligent management unit, use HPLC module high frequency data acquisition characteristic, utilize miniature voltage, current transformer uses large capacity TF card as the memory cell, use kirchhoff's law and current-voltage phase relation as the knowledge source, adopt unique marginal calculation algorithm as thinking mode, realize the district affiliation and branch automatic identification, network topology relation automatic generation, use manpower sparingly cost and avoid mistake hoisting efficiency. The line loss analysis of the transformer area is changed from depending on the personal ability of a transformer area manager into brain automatic analysis, active reminding, accurate judgment and decision participation, and the line loss treatment efficiency is greatly improved.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (9)

1. The utility model provides a be applied to ubiquitous electric power thing networking intelligent management equipment which characterized in that includes: the device comprises a shell, and a circuit board, an acquisition unit and a current transformer which are arranged in the shell;

an intelligent management unit and a storage unit connected with the intelligent management unit are integrated on the circuit board;

the intelligent management unit includes: an SCM602 universal computing chip, an ER7022EH detection chip and an HZ3011 carrier chip;

the acquisition unit is connected with the SCM602 general computing chip;

the current transformer is respectively connected with the ER7022EH detection chip and the HZ3011 carrier chip.

2. The intelligent management device applied to the ubiquitous power internet of things as claimed in claim 1, wherein a monitoring camera is arranged on one side outside the housing;

the SCM602 general-purpose computing chip is connected with the monitoring camera and stores the acquired image in a storage unit.

3. The intelligent management device applied to the ubiquitous power internet of things of claim 1, wherein the acquisition unit comprises:

temperature and humidity sensor, smoke sensor, current sensor, voltage sensor and leakage current sensor.

4. The intelligent management device applied to the ubiquitous power internet of things as claimed in claim 1, wherein the storage unit is any one of the following:

SD, MMC, TF and MicroSD cards.

5. The intelligent management device applied to the ubiquitous power internet of things as claimed in claim 1, wherein the current transformer is a ZEMCTK8-12 three-phase buckle transformer.

6. The intelligent management device applied to the ubiquitous power internet of things as claimed in claim 1, wherein the circuit board is an A-level double-sided copper-clad epoxy resin board.

7. The intelligent management device applied to the ubiquitous power internet of things as claimed in claim 1, wherein the circuit board is provided with four groups of terminals extending out of the shell;

a first group; 4 core wires which are connected with A, B, C, N on the outgoing side of the switch respectively according to yellow, green, red and black;

second group: three-phase buckle formula mutual-inductor carries out the current sample from the side of being qualified for the next round of competitions of switch to 2 heart yearns of three group's current sample of access, wherein: the yellow, green and red lines correspond to voltage A, B, C;

third group: a group of red and black lines are power supplies of the equipment, and power is taken from the incoming line side of the switch;

and a fourth group: the 4 lines are two 485 communication ports, wherein yellow and green are a group, represent A + B-of RS485, belong to an uplink communication port and are used for locally debugging equipment; the brown and white are a group, represent that A + B-of RS485 belongs to a downlink communication port and are used for managing the electric energy meter.

8. The intelligent management device applied to the ubiquitous power internet of things as claimed in claim 7, wherein a sealing gasket is arranged between the wiring terminal and the main body shell.

9. The intelligent management device applied to the ubiquitous power internet of things as claimed in any one of claims 1 to 8, wherein an indicator light group is arranged on the shell; the indicating lamp group is connected with the intelligent management unit;

the indicator light set includes: the operation lamp, communication lamp, active lamp, 485I lamp and 485II lamp.

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