Graph acquisition device with protection function

Abstract

The utility model provides a graph acquisition device with a protection function, which comprises a shell, an acquisition board, a main control board and a power supply board are arranged in the shell, the acquisition board is connected with the main control board, and the power supply board is used for supplying power to the acquisition board and the main control board; an analog quantity acquisition circuit, a digital quantity acquisition circuit, a voltage stabilizing module, an amplifier and a filter are arranged on the acquisition board; an FPGA minimum system, a clock circuit, a reset circuit, an interface circuit, an AD converter and a memory are arranged on the main control board, and the clock circuit, the reset circuit, the interface circuit, the AD converter and the memory are electrically connected with the FPGA minimum system; the power supply board is provided with a power supply filtering module and a voltage conversion module. According to the utility model, the acquisition and storage of analog signals and digital signals can be completed, the FPGA is used as a main control chip, a peripheral circuit can be simplified, the development period is shortened, the design risk is reduced, the reliability of the system is greatly improved, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of acquisition device, especially, relate to a pattern acquisition device with protection function. BACKGROUND

[0002] The power grid is the facility and equipment that links power generation and power consumption in the power system, and belongs to the intermediate link of power transmission and distribution, which is mainly composed of power transmission lines, substations, distribution stations and distribution lines. The unified whole composed of power transmission, transformation and distribution equipment and the corresponding auxiliary system is called power grid. When processing the image of the power grid system, the image acquisition needs to process the synchronization signal, which is more complex than the usual data acquisition process. The existing image and video acquisition device has the problems of low intelligentization degree and slow processing speed, and cannot timely alarm in case of abnormality, resulting in short service life. SUMMARY

[0003] Therefore, the utility model aims at overcoming the above-mentioned problems in the prior art, and provides a pattern acquisition device with protection function.

[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0005] The pattern acquisition device with protection function comprises a shell, a collection plate, a main control board and a power supply plate arranged in the shell, the collection plate is connected with the main control board, and the power supply plate is used for supplying power to the collection plate and the main control board.

[0006] An analog quantity acquisition circuit, a digital quantity acquisition circuit, a voltage stabilizing module, an amplifier and a filter are arranged on the collection plate, the analog quantity acquisition circuit is connected with the voltage stabilizing module, the amplifier and the filter in sequence.

[0007] An FPGA minimum system, a clock circuit, a reset circuit, an interface circuit, an AD converter and a memory are arranged on the main control board, and the clock circuit, the reset circuit, the interface circuit, the AD converter and the memory are electrically connected with the FPGA minimum system.

[0008] A power supply filtering module and a voltage conversion module are arranged on the power supply plate.

[0009] Further, a wireless communication unit is arranged in the shell, the wireless communication unit is electrically connected with the FPGA, and the pattern acquisition device is connected with the host computer and the server through the wireless communication unit.

[0010] Further, a temperature sensor is arranged in the shell, and the temperature sensor is electrically connected with the FPGA minimum system.

[0011] Further, the shell is internally provided with a humidity sensor, which is electrically connected to the FPGA minimum system.

[0012] Further, the amplifier adopts an SGM324 operational amplifier chip.

[0013] Further, the power filter module adopts an EMI filter.

[0014] Further, the shell is internally provided with an alarm, which is electrically connected to the FPGA.

[0015] Compared with the prior art, the graphic acquisition device with the protection function has the following advantages:

[0016] The analog signal and the digital signal can be collected and stored, the FPGA is used as the main control chip, the peripheral circuit can be simplified, the development cycle can be shortened, the design risk can be reduced, the reliability of the system is greatly improved, and the service life is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings constituting a part of the present application are used to provide further understanding of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:

[0018] Fig. 1 is a structural schematic view of the graphic acquisition device with the protection function of the present application;

[0019] Fig. 2 is a principle schematic view of the graphic acquisition device with the protection function of the present application.

[0020] EXPLANATION OF REFERENCE NUMERALS

[0021] 1 - shell; 2 - acquisition board; 3 - main control board; 4 - power board; 5 - temperature sensor; 6 - humidity sensor; 7 - alarm. DETAILED DESCRIPTION

[0022] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the description of the utility model, it is necessary to understand that the orientation or positional relation indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0024] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0025] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0026] As shown in Figs. 1-2 The utility model provides a kind of graphic acquisition device with protection function, including shell 1, acquisition board 2, main control board 3 and power board 4 are equipped in the shell 1, the acquisition board 2 is connected main control board 3, and the power board 4 is used to power acquisition board 2 and main control board 3;

[0027] Analog quantity acquisition circuit, digital quantity acquisition circuit, voltage stabilizing module, amplifier and filter are equipped on the acquisition board 2, and the analog quantity acquisition circuit is sequentially connected voltage stabilizing module, amplifier and filter;

[0028] FPGA minimum system, clock circuit, reset circuit, interface circuit, AD converter, memory are equipped on the main control board 3, and the clock circuit, reset circuit, interface circuit, AD converter, memory are all electrically connected FPGA minimum system;

[0029] Power filter module and voltage conversion module are equipped on the power board 4.

[0030] Specific, the shell is equipped with a wireless communication unit, the wireless communication unit is electrically connected to the FPGA, and the graphic acquisition device is connected with the host computer and the server through the wireless communication unit.

[0031] Specific, the shell 1 is equipped with a temperature sensor 5, and the temperature sensor 5 is electrically connected to the FPGA minimum system through the acquisition board 2.

[0032] Specific, the shell 1 is equipped with a humidity sensor 6, and the humidity sensor 6 is electrically connected to the FPGA minimum system through the acquisition board 2.

[0033] Specific, the amplifier adopts an SGM324 operational amplifier chip.

[0034] Specific, the power filter module adopts an EMI filter.

[0035] Specific, the shell 1 is equipped with an alarm 7, and the alarm 7 is electrically connected to the FPGA through an interface circuit.

[0036] The utility model discloses a graphic acquisition device, which comprises a shell 1, an acquisition board 2, a main control board 3, a FPGA minimum system, a power supply module, a filter module, an amplifier, a wireless communication unit, a temperature sensor 5, a humidity sensor 6 and an alarm 7.

[0037] The utility model discloses a graphic acquisition device, which comprises a shell 1, an acquisition board 2, a main control board 3, a FPGA minimum system, a power supply module, a filter module, an amplifier, a wireless communication unit, a temperature sensor 5, a humidity sensor 6 and an alarm 7.

[0038] The utility model discloses a graphic acquisition device, which comprises a shell 1, an acquisition board 2, a main control board 3, a FPGA minimum system, a power supply module, a filter module, an amplifier, a wireless communication unit, a temperature sensor 5, a humidity sensor 6 and an alarm 7.

[0039] It should be noted that each unit assembly used in the utility model is an existing product, and the connection relationship between each module is a conventional connection relationship in the art.

[0040] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A graphic acquisition device with a protection function, comprising a housing (1), characterized in that: The shell (1) is internally provided with a collection board (2), a main control board (3) and a power supply board (4), the collection board (2) is connected with the main control board (3), and the power supply board (4) is used for power supply for the collection board (2) and the main control board (3); The collection board (2) is provided with an analog quantity collection circuit, a digital quantity collection circuit, a voltage stabilizing module, an amplifier and a filter, and the analog quantity collection circuit is sequentially connected with the voltage stabilizing module, the amplifier and the filter; The main control board (3) is provided with an FPGA minimum system, a clock circuit, a reset circuit, an interface circuit, an AD converter and a memory, and the clock circuit, the reset circuit, the interface circuit, the AD converter and the memory are electrically connected with the FPGA minimum system; The power supply board (4) is provided with a power supply filtering module and a voltage conversion module.

2. The device according to claim 1, wherein: The shell (1) is further provided with a wireless communication unit, the wireless communication unit is electrically connected with the FPGA, and the graphic collection device is connected with an upper computer and a server through the wireless communication unit.

3. The device of claim 1, wherein the device is configured to: The shell (1) is further provided with a temperature sensor (5), and the temperature sensor (5) is electrically connected with the FPGA minimum system.

4. The device of claim 1, wherein the device is configured to: The shell (1) is further provided with a humidity sensor (6), and the humidity sensor (6) is electrically connected with the FPGA minimum system.

5. The apparatus according to claim 1, wherein: The amplifier adopts an SGM324 operational amplifier chip.

6. The apparatus according to claim 1, wherein: The power supply filtering module adopts an EMI filter.

7. The apparatus according to claim 1, wherein: The shell (1) is further provided with an alarm (7), and the alarm (7) is electrically connected with the FPGA.

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