Portable multichannel analog signal acquisition device

Abstract

The utility model relates to the technical field of signal acquisition, in particular to a portable multichannel analog signal acquisition device, which is characterized by comprising a field programmable gate array (FPGA) master control unit module, an acquisition board card module, a battery module, a power management module and a network module, the power management module is electrically connected with the acquisition board card module, the FPGA main control unit module and the network module, and the FPGA main control unit module is electrically connected with the acquisition board card module and the network module; the acquisition board card module comprises a plurality of acquisition cards; and the power supply management module is used for transforming and shunting the battery module and supplying power to the acquisition board card module, the FPGA main control unit module and the network module. According to the utility model, the structural design is compact: the device adopts a modular design, all functional modules are integrated in a compact shell, and the minimization of the overall volume is realized by optimizing the internal layout and selecting miniaturized elements, so that the device is convenient to carry and use.

Description

TECHNICAL FIELD

[0001] The utility model relates to signal acquisition technical field, concretely is a portable multichannel analog signal acquisition device. BACKGROUND

[0002] In many industrial and scientific research fields, it is required to simultaneously collect and analyze multiple signal sources. Traditional analog acquisition equipment is often bulky, inconvenient to carry, and cannot meet the needs of rapid deployment on site. Therefore, it is particularly important to develop an analog acquisition device that is small in size, light in weight, easy to carry, and can simultaneously process multiple signal channels. SUMMARY

[0003] The utility model solves the technical problem that a portable multichannel analog signal acquisition device can effectively solve the problems raised in the background technology.

[0004] To solve the above problems, the utility model adopts the technical scheme of a portable multichannel analog signal acquisition device, characterized by comprising an FPGA master control unit module, an acquisition board card module, a battery module, a power management module, and a network module. The battery module is electrically connected to the power management module. The power management module is electrically connected to the acquisition board card module, the FPGA master control unit module, and the network module. The FPGA master control unit module is electrically connected to the acquisition board card module and the network module. The acquisition board card module comprises multiple acquisition cards.

[0005] The power management module is used for voltage transformation and shunt of the battery module, and power supply of the acquisition board card module, the FPGA master control unit module, and the network module.

[0006] The FPGA master control unit module is the main controller of the system, used for connection and control of upstream and downstream, analog data acquisition through the IO port, and data storage locally. According to the software settings, the data is sent to the corresponding platform through the network module.

[0007] Preferably, the FPGA master control unit module uses PGL50G chips. The FPGA master control unit module communicates with the acquisition board card module through the IO port. The FPGA master control unit module has a local data storage unit, an Ethernet communication interface, a WIFI communication interface, a USB communication interface, and an IOT communication interface.

[0008] Preferably, the acquisition board card module is provided with a power conversion module, which is connected to the acquisition card. The acquisition board card module uses CM2248 chips.

[0009] Preferably, the power management module uses TD8655 chips.

[0010] Preferably, the network module comprises an Ethernet wired module, a WIFI module and an IOT module, the Ethernet wired module is connected with an external communication cable, the WIFI module is connected with an external communication wireless connection, and the IOT module is a wireless remote communication module connected with a remote server.

[0011] Preferably, the Ethernet wired module adopts an RTL8812 chip, the WIFI module adopts an AX201 module, and the IOT module adopts a Yidou BC25 NB-IOT module.

[0012] Compared with the prior art, the portable multi-channel analog signal acquisition device has the following beneficial effects:

[0013] The device is compact in structure design: the device is modularly designed, and various functional modules are integrated in a compact shell, the internal layout is optimized, and small-sized components are selected, so that the overall volume is minimized, and the device is convenient to carry and use.

[0014] Lightweight material is applied: the shell is made of high-strength lightweight aluminum alloy material, so that the device is firm and durable while reducing weight, and this design makes the device have a significant advantage in portability and is suitable for rapid deployment on site.

[0015] Built-in battery and energy-saving mode: the device is provided with a high-efficiency lithium battery, supports long-time work, and is provided with multiple energy-saving modes, so that the power consumption is automatically adjusted according to the use state, the battery endurance time is prolonged, and the portability and practicability are enhanced.

[0016] Convenient hand-held design: the top of the shell is provided with an ergonomic hand-held handle, so that the user can easily hold and move the device to the required position, and this design not only improves the portability of the device, but also increases the convenience and comfort of use. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a system architecture diagram of the utility model;

[0018] Figure 2 It is an FPGA main control unit module of the utility model;

[0019] Figure 3 It is a collection board card module of the utility model;

[0020] Figure 4 It is a power management module of the utility model;

[0021] Figure 5 It is an Ethernet wired module of the utility model;

[0022] Figure 6 It is a WIFI module of the utility model;

[0023] Figure 7 The IOT module of the utility model;

[0024] Figure 8 The main control interface of the host computer and the app of the utility model;

[0025] Figure 9 The setting and reality interface of each board card of the utility model system. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0027] Referring to Figures 1-9 The utility model provides a portable multichannel analog signal acquisition device, it is characterized by including FPGA master control unit module, collection board card module, battery module, power management module and network module, battery module is connected with power management module electricity, power management module is connected with collection board card module, FPGA master control unit module and network module electricity, FPGA master control unit module is connected with collection board card module and network module electricity, collection board card module includes a plurality of collection cards,

[0028] The power management module is used for voltage transformation and shunt for the battery module, and supplies power for the collection board card module, the FPGA master control unit module and the network module.

[0029] The FPGA master control unit module is the main controller of the system, is used for the connection and control of upstream and downstream, collects analog data through IO parallel port, and stores data locally, according to the setting of software, data is sent to the corresponding platform through the network module.

[0030] Preferably, the FPGA master control unit module adopts PGL50G chip, and the FPGA master control unit module communicates with the collection board card module through IO parallel port, and the FPGA master control unit module has a local data storage unit, an Ethernet communication interface, a WIFI communication interface, a USB communication interface and an IOT communication interface.

[0031] Preferably, the collection board card module is provided with a power conversion module, and the power conversion module is connected with the collection card; the collection board card module adopts CM2248 chip.

[0032] Preferably, the power management module adopts TD8655 chip.

[0033] Preferably, the network module comprises an Ethernet wired module, a WIFI module and an IOT module, the Ethernet wired module is connected with external communication by wire, the WIFI module is connected with external communication by wireless, and the IOT module is a wireless remote communication module and is connected with a remote server.

[0034] Preferably, the Ethernet wired module adopts an RTL8812 chip, the WIFI module adopts an AX201 module, and the IOT module adopts a Yiyuan BC25 NB-IOT module.

[0035] As a specific embodiment of the utility model:

[0036] Figure 1 The utility model discloses a system architecture diagram, and the architecture diagram shows the basic function unit and the relationship of the utility model, and the battery module is the power source of the system, is transformed and is branched to each module by power management module and supplies power, and the acquisition card 0 to the acquisition card 7 are collectively called acquisition board card module, and are analog signal acquisition units, the acquisition card can be current, voltage, and the data collected are transmitted to the FPGA master control unit module through the parallel port, the Ethernet wired module can be connected with external communication by wire, the WIFI module can be connected with external communication by wireless, the IOT module is a wireless remote communication module and can be connected with a remote server, the FPGA master control unit module is the main controller of the system, is used for the connection and control of upstream and downstream, and analog data are collected through IO parallel port, and the data are stored locally, according to the setting of software, the data are sent to the corresponding platform through the Ethernet wired module, the WIFI module and the IOT module.

[0037] Figure 2 The FPGA master control unit module is powered by the power management module, the main control unit of the FPGA master control unit module is PGL50G chip, the module is communicated with the acquisition board card module through IO parallel port, has local data storage unit, Ethernet communication interface, WIFI communication interface, USB communication interface and IOT communication interface, and bears the main upstream and downstream data interaction function.

[0038] Figure 3 The acquisition board card module is equipped with a power conversion module, carries out power conversion and voltage stabilization, and prevents external interference, and the acquisition board card module adopts CM2248 chip as a voltage acquisition controller in the system, and bipolar analog input range can reach ±10V, and is communicated with the FPGA master control unit module through IO parallel port, and the DB0~DB15 data parallel port of CM2248 is directly connected with the IO port of the FPGA master control unit module, when PAR / SER / BYTE_SEL is logic low level, the FPGA master control unit module can directly read the acquisition data of the acquisition board card module.

[0039] Figure 4 The infrastructure of the power management module adopts TD8655 as the core unit of the power management module. For safety, the power management module leads out 4-way output, respectively for the acquisition board module, the power management module, the Ethernet wired module, the WIFI module and the IOT module to supply power, which realizes the isolation between each other and prevents the problem of some units from causing the whole system to work abnormally.

[0040] Figure 5 The Ethernet wired module adopts RTL8812 chip, which has the ability of gigabit data transmission. The user's computer client can interact data through wired.

[0041] Figure 6 The WIFI module adopts AX201 module, which has the ability of 2.4G, 5G and 6G communication, high transmission efficiency and wired transmission efficiency. The user can interact data through WIFI by the mobile phone APP or the computer client.

[0042] Figure 7 The IOT module adopts Yiyuan BC25 NB-IOT module, which has low transmission rate. When collecting data at low speed, the remote server can receive the collected data, which solves the problem of remote communication.

[0043] Figure 8 The main control interface of the upper computer and the app can display the version of the system, the start of the system, the stop of the system, the setting and display of the board card. Clicking the SLOT0 button can enter the corresponding display and setting interface, as shown in Figure 9 .

[0044] Figure 9 The setting and reality interface of each board card of the system, the upper half of the interface is the display of the waveform, and the lower half is the basic setting of the board card. The user can select the display channel, the trigger function of the channel, the sampling frequency, the sampling rate, the sampling length, the ADC trigger threshold, the ADC offset, the selection of the range, the ADC threshold trigger enable, the interrupt enable, the sampling mode and the channel display and other functions.

[0045] The device shell is made of high-strength light aluminum alloy material, which ensures the device to be firm and durable while reducing the weight, and the design makes the device have significant advantages in portability and is suitable for rapid deployment on site; the device is built-in high-performance lithium battery, supports long time work, and at the same time sets multiple energy saving modes, automatically adjusts power consumption according to use state, prolongs battery endurance time, enhances portability and practicability; the top of the shell is provided with an ergonomic hand handle, the user can easily pick up the device and move to the required position, this design not only improves the portability of the device, but also increases the convenience and comfort of use.

[0046] The above examples are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A portable multi-channel analog signal acquisition device, characterized by, Including FPGA master control unit module, acquisition board module, battery module, power management module and network module, the battery module is connected with power management module, power management module is connected with acquisition board module, FPGA master control unit module and network module, FPGA master control unit module is connected with acquisition board module and network module;The acquisition board module includes a plurality of acquisition cards; The power management module is used for voltage conversion and shunt for the battery module, and power supply for the acquisition board module, FPGA master control unit module and network module; The FPGA master control unit module is the main controller of the system, is used for the connection and control of upstream and downstream, collects analog data through IO parallel port, and stores data in local, according to the setting of software, data is sent to the corresponding platform through network module.

2. The portable multi-channel analog signal acquisition device of claim 1, wherein, The FPGA master control unit module adopts PGL50G chip, FPGA master control unit module communicates with acquisition board module through IO parallel port, and the FPGA master control unit module has local data storage unit, Ethernet communication interface, WIFI communication interface, USB communication interface and IOT communication interface.

3. The portable multi-channel analog signal acquisition device of claim 1, wherein, The acquisition board module is provided with a power conversion module, and the power conversion module is connected with the acquisition card;The acquisition board module adopts CM2248 chip.

4. The portable multi-channel analog signal acquisition device of claim 1, wherein, The power management module adopts TD8655 chip.

5. The portable multi-channel analog signal acquisition device of claim 1, wherein, The network module includes Ethernet wired module, WIFI module and IOT module, the Ethernet wired module is connected with external communication wired, the WIFI module is connected with external communication wireless, and the IOT module is a wireless remote communication module, which is connected with a remote server.

6. The portable multi-channel analog signal acquisition device of claim 5, wherein, The Ethernet wired module adopts RTL8812 chip, the WIFI module adopts AX201 module, and the IOT module adopts Yiyuan BC25NB-IOT module.

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