CN111245954A - Data acquisition device for safety monitoring - Google Patents
Data acquisition device for safety monitoring Download PDFInfo
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- CN111245954A CN111245954A CN202010123023.7A CN202010123023A CN111245954A CN 111245954 A CN111245954 A CN 111245954A CN 202010123023 A CN202010123023 A CN 202010123023A CN 111245954 A CN111245954 A CN 111245954A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000007726 management method Methods 0.000 claims abstract description 12
- 238000013500 data storage Methods 0.000 claims abstract description 4
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims description 11
- 230000001413 cellular effect Effects 0.000 claims description 8
- 230000010267 cellular communication Effects 0.000 claims description 4
- 230000001960 triggered effect Effects 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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Abstract
The invention name is as follows: the invention discloses a data acquisition device for safety monitoring, relates to the technical field of safety monitoring, and particularly relates to a data acquisition device for safety monitoring. The invention discloses a data acquisition device for safety monitoring. The device comprises a data acquisition module, a data communication module, a data storage module, a temperature and humidity module, a clock module, a state indication module and a positioning module. The device can realize the real-time data acquisition of multiple sensors, provide various communication links to transmit data to the server, and can trigger acquisition and transmission to the server under the condition of abnormal sensor data; the device can locally store the acquired original data, and even under the condition that a communication link fails, the data is ensured not to be lost; the device provides a positioning function, so that the device is effectively prevented from being stolen; the device can automatically enter a low-power-consumption management mode under the condition of low electric quantity. The device not only reduces the use cost, but also ensures the safety of data without loss, and is mainly used for safety monitoring.
Description
Technical Field
The invention relates to the technical field of safety monitoring, in particular to a data acquisition device for safety monitoring.
Background
With the development of science and technology, online safety monitoring of the environment is concerned by people. In engineering projects, when monitoring objects such as stress, rainfall, water content and displacement are monitored, sensors which need to be used are various, and a data acquisition device is a key device for a user to acquire sensor data in real time.
In the prior art, the function of the data acquisition device is simplified, the number of interfaces for data acquisition is small, and only a limited number of sensors can be accessed; the device is used for data communication with the server, the communication mode is single, a cellular network communication or Ethernet mode is generally adopted, the equipment works in a severe field environment, and once communication signals are interrupted by the influence of the environment, sensor data cannot be transmitted back to the server; the device lacks the data analysis capability of the sensor, and cannot transmit data to the server in time when the monitored object is abnormal; under many monitoring environment, generally can't adopt the commercial power supply, can only adopt the power supply mode that solar energy and battery combine, many data acquisition transmission device have the shortcoming that the consumption is high for equipment can't work for a long time, has increased remote monitoring's cost.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a data acquisition device for safety monitoring, which expands the number and types of sensors to be accessed; various communication methods with the server are provided, and normal data transmission is guaranteed even under severe environment; the data of the sensor are collected and analyzed in real time, and once the environment is detected to be abnormal in real time, the data are transmitted to a server in real time; meanwhile, the device detects the electric quantity state information in real time and self-adaptively adjusts the power consumption of the device; the labor cost is reduced, and the timeliness of data acquisition and transmission is improved.
The invention adopts the following technical scheme:
the invention relates to a data acquisition device for safety monitoring, which takes Enzhipu LPC54606J512 as a main control module, and a board card integrates a data acquisition module, a data communication module, a data storage module, a temperature and humidity module, a clock module, a state indication module and a positioning module, wherein the modules are respectively connected with the main control module through circuits. The external interface comprises a state indicator lamp, an RS485 interface, an RS232 interface, a power input interface, an SD card slot, an SIM card slot, a LoRa antenna interface, a cellular antenna interface and a positioning antenna interface, and all the interfaces are connected with the shell.
The data acquisition module is in butt joint with the sensors through RS485 and RS232 interfaces, wherein two RS485 interfaces can be simultaneously connected with a plurality of sensors; the device integrates three communication modes with the server, namely cellular communication, Beidou short message and wireless LoRa communication, the cellular communication is a main communication mode, and the device can intelligently and automatically switch the communication modes according to the working network state; the acquired sensor data is automatically stored in the SD card, and when the space of the SD card is full, the oldest data is automatically deleted to vacate space to store the latest data content.
The device can acquire data of a plurality of sensors in real time, periodically transmits the data to the server according to preset parameters, and simultaneously periodically transmits the temperature and humidity, time information, position information and electric quantity information of the device to the server; meanwhile, the device also supports a threshold value triggering transmission mode, and once the sensor data collected by the device exceeds a preset threshold value, the sensor data is immediately transmitted to the server.
The data acquisition device periodically acquires power supply state information in the operation process, if the insufficient power supply quantity is detected, the system cuts off the power supply to the data communication module and the data acquisition module, meanwhile, the main control module enters a dormant state to prolong the data transmission period of the sensor, when the period is reached, the main control module actively wakes up to acquire the data of the sensor, and meanwhile, after the data is transmitted to the server, the data immediately enters the dormant state again, and the process is repeated; in the operation process, the electric quantity information is periodically detected, and if the power supply electric quantity is normal, the system recovers to a normal working mode. In the system sleep state, the system only supports the awakening of local parameter configuration and the periodic data acquisition and transmission, and other functions are invalid.
The data acquisition device can receive remote control management, and the remote management terminal equipment can issue a control instruction to manage the acquisition transmission device; the remote management terminal equipment can be a server, a gateway and the like, and the issuing communication channel of the remote control management can be a Beidou short message, a cellular network and a wireless LoRa; the remote management terminal equipment can perform one or more of remote upgrade, equipment restart, factory restoration, parameter configuration and state management on the acquisition and transmission device according to the instruction.
The technical scheme adopted by the invention can achieve the following beneficial effects:
the data acquisition device for safety monitoring is provided with a plurality of data acquisition interfaces, so that the number of sensors accessed by the device is effectively increased; the communication between the device and the server provides three communication modes, the communication modes realize intelligent automatic switching, and the stable and reliable transmission of data can be effectively ensured even under a severe environment; the device is installed in the field without commercial power supply, the system can reasonably control the power consumption only under the condition of adopting a solar power supply system, and the long-time normal operation can be ensured under the condition of long-term rainy days; meanwhile, the data acquisition and transmission device supports remote control management, so that a user can master the working state of the device in real time, and the management efficiency of the equipment is improved. The whole system can effectively carry out automatic data acquisition and monitoring, and the labor cost is greatly reduced.
Drawings
In order to more clearly describe the embodiments or technical solutions of the present specification, the drawings used in the embodiments or technical solutions will be briefly described below.
Fig. 1 is a hardware system configuration diagram of a data acquisition device for safety monitoring.
Fig. 2 is a transmission schematic diagram of a data acquisition device for safety monitoring.
Fig. 3 is an overall appearance view of the data acquisition device for safety monitoring.
Fig. 4 is an external view of a rear panel of the data acquisition device for security monitoring.
Fig. 5 is an external view of a front panel of the data acquisition device for security monitoring.
Fig. 6 is a schematic diagram of the internal structure of the data acquisition device for safety monitoring.
Detailed Description
In order to make the technical solutions in the present specification better understood, the technical solutions in the present specification will be clearly and completely described below with reference to the drawings of the present specification.
Fig. 1 illustrates a hardware system structure diagram of a data acquisition device for safety monitoring, which uses enzimum LPC54606J512 as a main control unit of the whole device to implement control and system management of the whole peripheral module. The main control unit is internally stored for storing configuration parameters, and the watchdog is used for preventing the software system from running away; the internal RTC provides time parameters for the system, and is used for adding timestamp information to data storage and data transmission frames, the RTC provides two power supply modes, under the condition of external power supply of the equipment, the RTC power supply is supplied after being converted by external power supply, otherwise, the RTC is supplied by a button cell, and the RTC clock is ensured not to be lost.
The device adopts a direct current 9-18V power supply to supply power, supports overvoltage protection and prevents reverse connection, the power supply of other modules is converted and supplied through a power supply module on the card, and a 12V power supply is led out to an external interface.
Two RS485 interfaces and one RS232 interface are reserved for the access of an external sensor, wherein the RS232 interface can also be used for debugging and parameter configuration of a system; the SD card is accessed through an SDIO interface and used for storing original data of the sensor, and the SIM card is used for accessing a honeycomb 4G internet of things card; the state indication is represented by an LED lamp and is used for representing the power supply state and the running state of the whole system;
the communication mode supports three modes of honeycomb, Beidou short messages and LoRa, wherein the Beidou short messages are connected with equipment through serial ports, power of the Beidou short messages is supplied by the equipment, and meanwhile the equipment can control the power of the Beidou short messages to be turned on and off; the cellular communication supports data communication and positioning functions, so a cellular antenna and a positioning antenna are configured on an interface; the LoRa module is connected with the SPI main control unit to realize automatic data interaction with gateway connection; meanwhile, the board card is connected with a temperature and humidity sensing chip through an I2C interface, so that temperature and humidity information near the device can be mastered in real time.
Fig. 2 illustrates a data communication flow diagram of a data acquisition device for safety monitoring, the device acquires data of a sensor through an RS485 or RS232 interface, and then transmits the data to a server according to the actual situation of the environment, and the priority of the communication mode is respectively cellular 4G, beidou short message and LoRa from high to low. The cellular 4G communication is directly transmitted to the server through the base station of the operator; the Beidou short message firstly sends data to a Beidou satellite, then the Beidou satellite forwards the data to a Beidou commander, and finally the server acquires final data from the Beidou commander; and the LoRa communication mode needs to access a public network by means of an LoRa gateway and then transmits data to a server.
Fig. 3 is an overall appearance diagram of the device, which mainly comprises a shell and two end covers, wherein the two end covers are connected with the shell by screws, a hardware circuit board is fixed in the shell, fig. 4 is an appearance diagram of a rear panel, and an opening is used for plugging and unplugging an SD card and a honeycomb SIM card.
FIG. 5 depicts an external view of the front panel of the device, with the four left indicator lights indicating power indication, network communication indication, fault indication and reservation indication, respectively; the connectors on the panel are respectively a power input connector, an RS485 interface and an RS232 interface; the SMA connector below the panel is respectively a honeycomb antenna connector, a LoRa antenna connector and a positioning antenna connector from left to right.
Claims (7)
1. The utility model provides a safety monitoring's data acquisition device which characterized in that: the device takes Enzhipu LPC54606J512 as a main control module, the board card comprises a data acquisition module, a data communication module, a data storage module, a temperature and humidity module, a clock module, a state indication module and a positioning module, and the modules are respectively connected with the main control module of the device through circuits.
2. The data acquisition device for safety monitoring of claim 1, wherein: the external interface of the device comprises a state indicator lamp, an RS485 interface, an RS232 interface, a power input interface, an SD card slot, an SIM card slot, a LoRa antenna interface, a cellular network antenna interface and a positioning antenna interface, and all the interfaces are connected with the shell.
3. The data acquisition device for safety monitoring of claim 1, wherein: the data acquisition module interface is RS485 and RS232, and the device can insert a plurality of different kinds of sensors.
4. A data acquisition device for safety monitoring as claimed in claim 3, wherein: the data communication module is cellular network communication, Beidou short message and wireless LoRa communication, the main communication mode is cellular communication, and the device can intelligently and automatically switch the communication mode according to the communication network state.
5. The data acquisition device for safety monitoring as set forth in claim 4, wherein: the device can acquire data of multiple sensors in real time and periodically and actively transmit the data to the server according to configured parameters; while the device is capable of threshold triggered transmission of data to the server.
6. The data acquisition device for safety monitoring of claim 5, wherein: the device can detect the power supply state in real time, and if the power supply is detected to be insufficient, the device enters the sleep working mode, and if the power supply is detected to be normal, the device recovers the normal working mode.
7. The data acquisition device for safety monitoring of claim 6, wherein: control management, comprising: and the remote control terminal performs one or more of remote upgrading, equipment restarting, factory restoration, parameter configuration and state management on the device according to the instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010123023.7A CN111245954A (en) | 2020-02-27 | 2020-02-27 | Data acquisition device for safety monitoring |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010123023.7A CN111245954A (en) | 2020-02-27 | 2020-02-27 | Data acquisition device for safety monitoring |
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| CN111245954A true CN111245954A (en) | 2020-06-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114095519A (en) * | 2020-07-19 | 2022-02-25 | 智强通达科技（北京）有限公司 | Oil depot Internet of things equipment state monitoring and automatic switching method |
| CN114578728A (en) * | 2022-02-10 | 2022-06-03 | 湖南北斗微芯产业发展有限公司 | Low-power-consumption acquisition equipment and method |
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2020
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Patent Citations (5)
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| US20070229295A1 (en) * | 2006-03-16 | 2007-10-04 | Power Monitors, Inc. | Underground monitoring system and method |
| CN102883340A (en) * | 2012-09-29 | 2013-01-16 | 西北大学 | Remote transfer transmission system suitable for network-free areas and transmission method thereof |
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