CN112133076A

CN112133076A - General multi-interface low-power-consumption Internet of things data acquisition controller

Info

Publication number: CN112133076A
Application number: CN202011166883.5A
Authority: CN
Inventors: 郭虓; 梁奇兵; 孙康文
Original assignee: Yunnan Innovation Institute of Beihang University
Current assignee: Yunnan Innovation Institute of Beihang University
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2020-12-25

Abstract

The invention discloses a universal multi-interface low-power consumption Internet of things data acquisition controller, which comprises: collector shell and core bottom plate: the collector shell is fixedly provided with a core bottom plate through bolts, an interface board is arranged on the core bottom plate, and a spring piece type wire holder and an RJ45 socket are arranged on the interface board; the collector shell is provided with a groove matched with the spring plate type wire holder and the RJ45 socket; be provided with DC power supply socket, status indicator lamp, SD draw-in groove, the button hole that resets, dial switch, RS232 interface, USB interface, ethernet interface, SIM draw-in groove, 4G antenna pedestal, GPS antenna pedestal, WIFI antenna pedestal, LORA antenna pedestal, bluetooth antenna pedestal on the collector casing lateral wall. The collector can work normally.

Description

General multi-interface low-power-consumption Internet of things data acquisition controller

Technical Field

The invention relates to the technical field of data acquisition, in particular to a universal multi-interface low-power-consumption Internet of things data acquisition controller.

Background

With the improvement of the industrial automation level, the data acquisition process is often linked with an industrial control link to form a complete set of data acquisition monitoring system. In various business departments such as the industries of environmental protection, weather, electric power, industrial automation and the like and scientific research fields such as military, ocean, hydrology, ecology and the like, a large amount of widely distributed field data are required to be remotely and automatically acquired, stored and transmitted. Sensing measurement and control networks based on the internet of things are increasingly popularized, and the key link of the sensing measurement and control networks is data acquisition and transmission, namely, massive environmental data are gathered through a data acquisition terminal and uploaded to the networks, such as analog current and voltage signals representing various physical information, digital quantity signals, image file information and the like, so that subsequent data analysis and equipment control can be realized. Most of the existing internet-of-things data collectors aim at a specific field or a specific functional demand scene to realize specific data collection control functions, such as large-range regional hydrologic monitoring and treatment, agriculture and forestry ecological monitoring, geological and geographical monitoring, pipeline line monitoring, road traffic real-time monitoring, energy consumption equipment monitoring and other collection controllers. The data acquisition unit aiming at a specific field or application scene is often fixed in a sensor hardware interface or a software protocol, single in networking or networking mode, incompatible or rapidly and conveniently expanded and applied to other fields or scenes, therefore, some manufacturers try to develop multifunctional general data collectors, for example, some manufacturers increase sensor interfaces and communication protocols, some manufacturers increase access network communication modes, some manufacturers focus on low power consumption application, and the like, so that the application range of the collectors is expanded to a certain extent, the data acquisition controller which can realize the low power consumption function under the condition of increasing the sensor interface and the access network is not seen, can really meet the data acquisition and monitoring requirements of most occasions and functions in the industrial control field at present, therefore, the universal low-power-consumption Internet of things data acquisition controller which can be suitable for most Internet of things monitoring and controlling scenes and field requirements has good application value and market prospect.

Disclosure of Invention

The invention aims to provide a universal multi-interface low-power-consumption Internet of things data acquisition controller, which integrates numerous standard sensor hardware interfaces and software protocols, such as UART (universal asynchronous receiver/transmitter), RS485, RS232, CAN (controller area network), SDI-12, digital signal interfaces of pulse, switching value and the like, 0-5V voltage/4-20 mA current analog signals, RJ45 network ports and the like, supports various wired or wireless access network modes such as Ethernet, WIFI (wireless fidelity), 4G/3G and the like, supports LORA (long-distance networking) private network communication in remote areas without network signal coverage, and simultaneously adopts a low-power-consumption design to support long-time standby work of a lithium battery in a commercial power-free environment.

In order to solve the technical problems, the invention adopts the following technical scheme:

a general multi-interface low-power consumption Internet of things data acquisition controller comprises: collector shell and core bottom plate:

the collector shell is fixedly provided with a core bottom plate through bolts, an interface board is arranged on the core bottom plate, and a spring piece type wire holder and an RJ45 socket are arranged on the interface board;

the collector shell is provided with a groove matched with the spring plate type wire holder and the RJ45 socket;

be provided with DC power supply socket, status indicator lamp, SD draw-in groove, the button hole that resets, dial switch, RS232 interface, USB interface, ethernet interface, SIM draw-in groove, 4G antenna pedestal, GPS antenna pedestal, WIFI antenna pedestal, LORA antenna pedestal, bluetooth antenna pedestal on the collector casing lateral wall.

Further, the method comprises the following steps of; the core bottom plate comprises a low-power-consumption power management conversion circuit, a master control MCU, a minimum system function circuit, a data acquisition control interface driving circuit, an SPI Flash and SD card data storage circuit, a data and image signal uploading circuit, an LORA module, a debugging interface circuit and a mode selection dial switch circuit;

the main control MCU is respectively connected with the low-power-consumption power management conversion circuit, the minimum system function circuit, the data acquisition control interface driving circuit, the SPI Flash and SD card data storage circuit, the data and image signal uploading circuit, the wireless LORA receiving and transmitting module circuit, the debugging interface circuit and the mode selection dial switch circuit.

Further, the method comprises the following steps of; the minimum system function circuit comprises a crystal oscillator, a reset circuit and an SWD download interface.

Further, the method comprises the following steps of; low-power consumption power management converting circuit is connected with shell fragment formula connection terminal, RJ45 socket, DC power supply socket, status indicator lamp, SD draw-in groove, the button hole that resets, dial switch, RS232 interface, USB interface, ethernet interface, SIM draw-in groove, 4G antenna pedestal, GPS antenna pedestal, WIFI antenna pedestal, LORA antenna pedestal, bluetooth antenna pedestal.

Further, the method comprises the following steps of; the data acquisition control interface driving circuit comprises an analog quantity conditioning isolation circuit, an RS232 interface transceiver circuit, an RS485 interface transceiver circuit, an SDI-12 interface transceiver circuit, a CAN interface transceiver circuit, a pulse signal input isolation circuit, a digital quantity output driving current, a TCP/IP hardware protocol stack circuit and a multi-port network switch circuit;

the TCP/IP hardware protocol stack circuit is connected with the RJ45 socket, the RS485 interface transceiver circuit, the SDI-12 interface transceiver circuit, the analog quantity conditioning isolation circuit, the digital quantity input isolation circuit and the digital quantity output drive current are all connected with a universal sensor interface board, and the universal sensor interface board is arranged on the core bottom board.

Further, the method comprises the following steps of; and the elastic sheet type wire holder on the interface board is connected with the data acquisition control interface driving circuit on the core bottom plate through an inter-board connector.

Further, the method comprises the following steps of; the data and image signal uploading circuit comprises a 4G module, a WIFI module and an Ethernet interface module.

Further, the method comprises the following steps of; the debugging interface circuit comprises an RS232 interface, a Bluetooth module and a USB.

Further, the method comprises the following steps of; the mode selection dial switch circuit is connected with the dial switch; the SPI Flash and SD card data storage circuit comprises an SPI Flash and an SD card, and the SD card is arranged in an SD card slot.

Further, the method comprises the following steps of; and a button battery is arranged in the core bottom plate.

Compared with the prior art, the invention has at least one of the following beneficial effects:

1. various access networks and networking modes, wired or wireless, can be networked through a public network or a private network. The access network mode comprises Ethernet, wireless WIFI and 4G, and is suitable for public network coverage scene application, indoor or short-distance communication can be achieved through the Ethernet or wireless WIFI mode, and outdoor or large-area application scenes can be accessed through the 4G; the WIFI and LORA ad hoc networks can be arranged in the uncovered area of the public network, the WIFI local area network can be used for short distance, the LORA ad hoc network can be arranged for long distance, the collector can be used as an LORA node or an LORA gateway according to requirements and application scenes, and most of monitoring and control scenes and field requirements of the Internet of things can be completely met. The existing internet of things collector only adopts 1 to 2 access network modes aiming at a certain specific scene.

2. The sensor hardware interface and software protocol are abundant, the sensor parameter can be configured on site or remotely, and the sensor port protocol can be modified remotely. The method comprises the steps that sensors with corresponding functions are selected to be accessed according to different application fields, sensor interfaces comprise digital signal interfaces such as RS485, RS232, UART, SDI-12, CAN, pulse and switching value, analog signals of 0-5V voltage/4-20 mA current, RJ45 network ports and the like, corresponding sensor configuration information CAN be written into an SD card through a card reader or set through a corresponding remote cloud platform client, and when a sensor port protocol needs to be modified, the sensor interface CAN be upgraded through a remote firmware. The traditional data acquisition unit is usually aimed at a certain specific field and application scene, and has the advantages of less interface types, fixed protocol and incapability of remote modification.

3. Various interface functional modules adopt a selective installation and multiplexing mode, and on the premise of meeting the requirements of different application scenes and function fields, the limited interface resources of the MCU are utilized to the maximum extent, the overall structure size of the collector is effectively reduced, and the product cost is reduced. The hardware structure design of the core bottom plate of the collector adopts independent modular design except general functional circuits such as a power management circuit, an MCU minimum system circuit, a storage circuit, a sensor interface driving circuit and the like, each functional module is designed through a stamp hole or a plate connector, is selectively welded and installed on the core bottom plate according to application scenes and functional requirements, and then realizes software mode selection through a corresponding dial switch. And the same functional module shares MCU interface resources and structural space, for example, Ethernet interface module and WIFI module in the data uploading mode share a SPI interface and space, the Bluetooth and RS232 module in the equipment debugging interface module share the same UART interface and space, and each RS485 and SDI-12 in the universal sensor interface share the same UART processor resources.

4. The system level low power consumption design adopts a high-performance low power consumption MCU, a high-efficiency power supply conversion chip, a power supply switch control device with extremely low quiescent current and a functional chip and a module with lower working current on the hardware design, the software controls the circuit power supply of the corresponding module to be switched on and off according to the working process time sharing, the power supply of the functional module is switched off in a standby state, and the main control enters a lowest power consumption Shutdown mode. The acquisition controller MCU adopts an STM32L476 low-power-consumption processor of ST company, the Energy benchmark score value reaches the leading 294 ULPMark CP score in the industry, the Shutdown mode current is about 300nA, each module power supply control device adopts TI high-performance MOSFET switches, the quiescent current is less than 10uA, the test current of the acquisition controller system in the low-power-consumption mode is less than 500uA, and the performance is obviously superior to that of the similar multifunctional general collector.

5. The collector can be suitable for data collection and monitoring of most application occasions and functional requirements, for example, the field of agricultural Internet of things realizes data collection of various sensors such as environment temperature, humidity, soil temperature, moisture and fertility in an agricultural production link, the data are uploaded to a cloud server in various networking modes, and after corresponding analysis and processing, specific control operations such as spray irrigation, drip irrigation, light supplement, heating, ventilation, sun shading and CO2 supplement can be performed, and sensor interfaces in the field are universal asynchronous receiver/transmitter (UART), RS485, 0-5V analog input, pulse, switching value input and output and the like; the method realizes water safety indexes in the field of hydrological water quality monitoring, including monitoring of water quality related parameters such as turbidity, residual chlorine, dissolved oxygen, PH, temperature, COD (chemical oxygen demand), DO (DO) and the like, sensor interfaces in the field are mostly RS485, SDI-12, analog quantity and the like, and are often located in the field, and low-power-consumption design is needed; the method has the advantages that the large-range remote monitoring of forest growth vigor is realized in the agriculture and forestry ecological field, the field is mostly remote field, no network coverage exists, and collected data need to be transmitted through private network networking; in the field of geological and geographic disaster monitoring and early warning, landslide monitoring, debris flow monitoring, side slope monitoring, settlement monitoring, collapse monitoring, ground collapse monitoring, dam monitoring, tunnel monitoring, bridge monitoring and the like are realized through information of a stress sensor or an image sensor, the image sensor is usually required in the field, and an interface is generally an RJ45 net port; the energy consumption monitoring system has the advantages that the functions of automatic acquisition, analysis processing, reporting and the like of real-time energy consumption data of energy consumption metering equipment such as an electric meter, a water meter, a gas meter, an oil meter and the like are realized in the field of industrial equipment energy consumption monitoring, and most of sensor interfaces in the field are CAN, RS485 and the like.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

FIG. 2 is a schematic diagram of the connection of the MCU of the core backplane of the present invention.

In the figure: collector casing (1), core bottom plate (2), interface board (3), shell fragment formula connection terminal (4), RJ45 socket (5), DC power supply socket (6), status indicator lamp (7), SD draw-in groove (8), reset button hole (9), dial switch (10), RS232 interface (11), USB interface (12), ethernet interface (13), SIM draw-in groove (14), 4G antenna pedestal (15), GPS antenna pedestal (16), WIFI antenna pedestal (17), LORA antenna pedestal (18), bluetooth antenna pedestal (19).

Detailed Description

Fig. 1-2 are schematic views illustrating the present invention, and the following detailed description is provided with reference to the accompanying drawings and embodiments for better understanding the objects, technical solutions and advantages of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1:

a general multi-interface low-power consumption Internet of things data acquisition controller comprises: collector housing 1 and core baseplate 2:

the collector shell 1 is fixedly provided with a core bottom plate 2 through bolts, an interface plate 3 is arranged on the core bottom plate 2, and a spring piece type wire holder 4 and an RJ45 socket 5 are arranged on the interface plate 3;

a groove matched with the spring plate type wire holder 4 and the RJ45 socket 5 is formed in the collector shell 1;

a direct-current power socket 6, a status indicator lamp 7, an SD card slot 8, a reset key hole 9, a dial switch 10, an RS232 interface 11, a USB interface 12, an Ethernet interface 13, an SIM card slot 14, a 4G antenna pedestal 15, a GPS antenna pedestal 16, a WIFI antenna pedestal 17, an LORA antenna pedestal 18 and a Bluetooth antenna pedestal 19 are arranged on the side wall of the collector shell 1; the core bottom plate 2 is fixed at the bottom of the collector shell 1 through bolts, the interface board 3 is installed on the upper portion of the core bottom plate 2 through an inter-board connector, the interface board 3 supplies power to the core bottom plate 2 and communicates with each other through an inter-board connector, the elastic sheet type wire holder 4 and the RJ45 socket 5 on the interface board 3 are slotted at corresponding positions of the top of the shell 1 and are used for wiring of a sensor and an actuator, the front panel of the shell 1 comprises a direct-current power socket 6, a status indicator lamp 7, an SD card slot 8, a reset key hole 9 for resetting, a mode selection dial switch 10, an RS232 interface 11 and a USB interface 12 for equipment debugging, an Ethernet interface 13, an SIM card slot 14, a 4G antenna pedestal 15, a GPS antenna pedestal 16, a WIFI antenna pedestal 17, an LORA antenna pedestal. The card slot and the wire holder on the front panel of the shell 1 are connected with the corresponding module circuit on the core bottom plate 2. The acquisition controller is powered by an external 12V direct-current power supply and is provided with a standby button battery, so that the accuracy of the RTC clock under the condition of accidental power failure is ensured.

Example 2:

on the basis of the embodiment 1, the core bottom plate 2 comprises a low-power-consumption power management conversion circuit, a main control MCU, a minimum system function circuit, a data acquisition control interface driving circuit, an SPI Flash and SD card data storage circuit, a data and image signal uploading circuit, an LORA module, a debugging interface circuit and a mode selection dial switch circuit;

the master control MCU is respectively connected with the low-power-consumption power management conversion circuit, the minimum system function circuit, the data acquisition control interface driving circuit, the SPI Flash and SD card data storage circuit, the data and image signal uploading circuit, the wireless LORA transceiver module circuit, the debugging interface circuit and the mode selection dial switch circuit; a low-power-consumption power management conversion circuit, a master control MCU, a minimum system function circuit, a data acquisition control interface driving circuit, an SPI Flash and SD card data storage circuit, a data and image signal uploading circuit, an LORA module, a debugging interface circuit and a mode selection dial switch circuit in the core bottom plate 2; the functional module connected with the main control MCU works; the application scene scope of collector has been widened greatly to wireless LORA transceiver module, can carry out data acquisition transmission in no network signal coverage area, can be as gateway or node in the LORA network deployment according to the application scene demand, the collector is as the LORA node, can send the LORA gateway through wireless LORA transceiver module with each text sensor data of collector, as the LORA gateway, accessible LORA transceiver module is with node data further processing or directly upload to the cloud platform. The selection of the various access network modes, the debugging mode and the working mode can be set through a mode selection dial switch. The sensors and actuators with corresponding functions are selected to be accessed according to different scenes, corresponding sensor configuration information can be written into an SD card through a card reader or realized through a remote pull-down configuration file mode, and the acquisition device supports remote firmware upgrading and can solve functions such as system faults, modification of a sensor access port protocol and the like.

Example 3:

on the basis of the embodiment 1-2, the minimum system function circuit comprises a crystal oscillator, a reset circuit and an SWD download interface; the minimum system function circuit can be connected with the crystal oscillator, the reset circuit and the SWD download interface conveniently and can work.

Example 4:

on the basis of the embodiment 1-3, the low-power-consumption power management conversion circuit is connected with a spring plate type wire holder 4, an RJ45 socket 5, a direct-current power supply socket 6, a status indicator lamp 7, an SD card slot 8, a reset key hole 9, a dial switch 10, an RS232 interface 11, a USB interface 12, an Ethernet interface 13, an SIM card slot 14, a 4G antenna holder 15, a GPS antenna holder 16, a WIFI antenna holder 17, an LORA antenna holder 18 and a Bluetooth antenna holder 19; the low-power-consumption power management circuit realizes the power conversion and switch control of each functional module, the module carries out high-efficiency conversion on an externally input 12V direct-current power supply, and respectively and independently outputs a plurality of paths of 12V, 5V, 3.3V and 2.5V power supplies to supply power for each functional module, the switch of each power supply is realized by an IO port control MOSFET switch of an MCU, when the data acquisition of a general sensor is carried out, a corresponding interface driving circuit power supply and a general sensor interface board power supply are opened, the power supply is closed after the acquisition is finished, when the image information acquisition is carried out, a multi-port 85RJ 83 network camera interface board power supply is opened, the power supply is closed after the image acquisition is finished, when the data uploading is carried out, the corresponding network-accessing module power supply is opened, the power supply is closed after the uploading is finished, after each acquisition, processing and uploading period is finished, the main control MCU enters a low-power consumption Shutdown, except that the main control MCU keeps supplying power, the power supply of each functional module is cut off, thereby realizing low power consumption control.

Example 5:

on the basis of the embodiment 1-4, the data acquisition control interface driving circuit comprises an analog quantity conditioning isolation circuit, an RS232 interface transceiver circuit, an RS485 interface transceiver circuit, an SDI-12 interface transceiver circuit, a CAN interface transceiver circuit, a pulse signal input isolation circuit, a digital quantity output driving current, a TCP/IP hardware protocol stack circuit and a multi-port network switch circuit; the TCP/IP hardware protocol stack circuit is connected with an RJ45 socket 5, an RS485 interface transceiver circuit, an SDI-12 interface transceiver circuit, an analog quantity conditioning isolation circuit, a digital quantity input isolation circuit and a digital quantity output driving current are all connected with a universal sensor interface board, and the universal sensor interface board is arranged on the core bottom plate 2; each interface circuit is connected with a corresponding inter-board connecting socket for data acquisition.

Example 6:

on the basis of the embodiments 1-5, the spring sheet type wire holder 4 on the interface board 3 is connected with the data acquisition control interface driving circuit on the core bottom board 2 through an inter-board connector; the elastic sheet type wire holder 4 on the interface board 3 is connected with the data acquisition control interface driving circuit on the core bottom board 2 through an inter-board connector, and is mainly used for accessing sensors of analog quantity sensors for outputting 0-5V voltage or 4-20mA current signals, sensors of digital signal interfaces such as UART, RS232, RS485, SDI-12, CAN, pulse signals, switching values and the like, and actuators for connecting relays, electromagnetic valves and the like. The RJ45 socket 5 on the interface board 3 is connected with the multi-port network switch circuit on the core backplane 2 through an inter-board connector for accessing a network port sensor, such as a camera. In order to further increase the application range of the access sensor, the power supply voltage of the sensor is 12V or 5V, and in order to enhance the system reliability, each sensor interface is designed with a short-circuit protection function.

Example 7:

on the basis of embodiments 1-6, data and image signal upload circuit includes 4G module, WIFI module and ethernet interface module.

Example 8:

on the basis of the embodiments 1-7, the debugging interface circuit comprises three types, namely an RS232 interface, a Bluetooth module and a USB; the RS232 interface, the Bluetooth module and the USB which are convenient for debugging the interface circuit work.

Example 9:

on the basis of embodiments 1-8, a mode selection dial switch circuit is connected with the dial switch 10; the SPI Flash and SD card data storage circuit comprises an SPI Flash and an SD card, and the SD card is arranged in the SD card slot 8; is convenient for work.

Example 10:

on the basis of the embodiments 1 to 9, a button cell is arranged in the core bottom plate 2; the arrangement of the button cell enables the core bottom plate 2 to work normally.

Example 11:

on the basis of embodiments 1-10, the application of a universal multi-interface low-power consumption internet of things data acquisition controller in the field of hydrological water quality monitoring is characterized in that the acquisition controller is installed on a river shore base of a water outlet of a sewage treatment plant and is supplied with power through a solar storage battery, a sensor carried by a collector comprises a residual chlorine sensor, a conductivity sensor, a PH sensor, an ORP sensor, a turbidity sensor and a camera, wherein an output signal of the PH sensor is a 4-20mA analog current signal, the camera is an RJ45 interface, other sensor interfaces are RS485, and an RS485 sensor communication protocol is a standard Modbus protocol; the executor includes solenoid valve and water pump, and the collector keeps apart drive interface control water pump and solenoid valve through the digital quantity and realizes delivery port quality of water sample and drainage function, and the collector carries on 4G networking module. Water quality extraction and sampling are realized at regular time every day through related parameter configuration of software, then sensor data and image information are read and uploaded to a data center of a water plant or a water administration department through 4G, and after the task is finished, a low power consumption mode is entered to realize water safety indexes including water quality related parameters such as turbidity, residual chlorine, dissolved oxygen, PH, temperature and DO and river image information monitoring.

Example 12:

on the basis of the embodiments 1-11, the application of the general multi-interface low-power-consumption internet-of-things data acquisition controller in the field of agriculture, forestry and ecology to realize radial growth monitoring of trees. This example application is because the mountain depths of whereabouts, and monitoring range is great, most local no network signal covers, so adopt the deployment mode of distributed LORA gateway + LORA node to realize the radial growth monitoring of trees on a large scale, install LORA node collector at each monitoring point, LORA node collector carries on a plurality of digital potentiometers and realizes the radial growth information acquisition of trees, and the trunk radial growth information transmission that regularly gathers arrives the LORA gateway, the LORA gateway is installed in the place that the 4G signal is stronger, if communication distance is far away, need deploy LORA relay and come increase communication distance, after the radial growth data of trees that each node sent is received to the LORA gateway, upload the cloud server platform through 4G, thereby realize the remote monitoring of trees growth condition on a large scale. In this example, the acquisition controller is used as an LORA gateway, and only an LORA module and a 4G module need to be selectively installed in addition to a basic function module of the system.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a general many interfaces low-power consumption thing networking data acquisition controller which characterized in that: the method comprises the following steps: collector shell (1) and core bottom plate (2):

the collector shell (1) is fixedly provided with a core bottom plate (2) through bolts, an interface board (3) is installed on the core bottom plate (2), and a spring piece type wire holder (4) and an RJ45 socket (5) are arranged on the interface board (3);

a groove matched with the spring plate type wire holder (4) and the RJ45 socket (5) is formed in the collector shell (1);

the collector shell (1) is provided with a direct-current power socket (6), a status indicator lamp (7), an SD card slot (8), a reset key hole (9), a dial switch (10), an RS232 interface (11), a USB interface (12), an Ethernet interface (13), an SIM card slot (14), a 4G antenna pedestal (15), a GPS antenna pedestal (16), a WIFI antenna pedestal (17), an LORA antenna pedestal (18) and a Bluetooth antenna pedestal (19) on the side wall.

2. The universal multi-interface low-power consumption internet of things data acquisition controller according to claim 1, characterized in that: the core bottom plate (2) comprises a low-power-consumption power management conversion circuit, a master control MCU, a minimum system function circuit, a data acquisition control interface driving circuit, an SPI Flash and SD card data storage circuit, a data and image signal uploading circuit, an LORA module, a debugging interface circuit and a mode selection dial switch circuit;

3. The universal multi-interface low-power consumption internet of things data acquisition controller according to claim 1, characterized in that: the minimum system function circuit comprises a crystal oscillator, a reset circuit and an SWD download interface.

4. The universal multi-interface low-power consumption internet of things data acquisition controller according to claim 1, characterized in that: the low-power-consumption power management conversion circuit is connected with a spring plate type wire holder (4), an RJ45 socket (5), a direct-current power socket (6), a status indicator lamp (7), an SD card slot (8), a reset key hole (9), a dial switch (10), an RS232 interface (11), a USB interface (12), an Ethernet interface (13), an SIM card slot (14), a 4G antenna holder (15), a GPS antenna holder (16), a WIFI antenna holder (17), an LORA antenna holder (18) and a Bluetooth antenna holder (19).

5. The universal multi-interface low-power consumption internet of things data acquisition controller according to claim 1, characterized in that: the data acquisition control interface driving circuit comprises an analog quantity conditioning isolation circuit, an RS232 interface transceiver circuit, an RS485 interface transceiver circuit, an SDI-12 interface transceiver circuit, a CAN interface transceiver circuit, a pulse signal input isolation circuit, a digital quantity output driving current, a TCP/IP hardware protocol stack circuit and a multi-port network switch circuit;

the TCP/IP hardware protocol stack circuit is connected with an RJ45 socket (5), an RS485 interface transceiver circuit, an SDI-12 interface transceiver circuit, an analog quantity conditioning isolation circuit, a digital quantity input isolation circuit and a digital quantity output drive current are all connected with a universal sensor interface board, and the universal sensor interface board is arranged on the core bottom plate (2).

6. The universal multi-interface low-power consumption internet of things data acquisition controller according to claim 1, characterized in that: and the elastic sheet type wire holder (4) on the interface board (3) is connected with the data acquisition control interface driving circuit on the core bottom plate (2) through an inter-board connector.

7. The universal multi-interface low-power consumption internet of things data acquisition controller according to claim 1, characterized in that: the data and image signal uploading circuit comprises a 4G module, a WIFI module and an Ethernet interface module.

8. The universal multi-interface low-power consumption internet of things data acquisition controller according to claim 1, characterized in that: the debugging interface circuit comprises an RS232 interface, a Bluetooth module and a USB.

9. The universal multi-interface low-power consumption internet of things data acquisition controller according to claim 1, characterized in that: the mode selection dial switch circuit is connected with the dial switch (10); the SPI Flash and SD card data storage circuit comprises an SPI Flash and an SD card, and the SD card is arranged in an SD card slot (8).

10. The universal multi-interface low-power consumption internet of things data acquisition controller according to claim 1, characterized in that: the button cell is arranged in the core bottom plate (2).