CN106959645A - A kind of asset monitor terminal installation based on NB IoT - Google Patents
A kind of asset monitor terminal installation based on NB IoT Download PDFInfo
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Abstract
The invention discloses a kind of asset monitor terminal installation based on NB IoT, including mainboard, and it is arranged on main control MCU, communication module, information acquisition module and battery on the mainboard, described information acquisition module is used for the supervision information for obtaining assets, and the communication module is using NB IoT by the information transmission of supervising to the IoT platforms of management end.The asset monitor terminal installation that the present invention is provided can be widely applied to the supervision of comprehensive, the full-range whole life cycle of assets, including logistics transportation process monitoring, computer room/website asset monitor etc., broad covered area, concatenation ability are strong, low in energy consumption, the logistic efficiency of asset monitor is substantially increased, supervision cost is reduced.
Description
Technical Field
The invention relates to the field of asset supervision, in particular to an asset supervision terminal device based on NB-IoT.
Background
With the development of the internet of things technology, the inventory and supervision of fixed assets are gradually automated, and the most common technology is to supervise the assets by using an RFID electronic tag. For example, CN201510995720.0 discloses an RFID asset monitoring system based on the internet of things, which includes a fixed asset core database, a fixed asset management platform, an RFID reader, an electronic tag, and the like. CN201010605169.1 discloses a power transmission and transformation equipment full life cycle management system based on the technology of the internet of things, which is composed of an electronic tag, an on-site monitoring and measuring device and management system software, wherein the electronic tag is installed on the power transmission and transformation equipment, the on-site monitoring and measuring device integrates RFID identification, GPS all-weather real-time positioning, wireless communication, all-state measurement, information safety and industrial control, and performs real-time identification and tracking, operation data acquisition, intelligent diagnosis and state alarm on the power transmission and transformation equipment, the on-site monitoring and measuring device and the management system software perform real-time data exchange in communication modes such as Ethernet, and the real-time monitoring on the power transmission and transformation equipment is realized through each module of the management system software. CN201520510412.X discloses an Internet of things asset management system based on accurate positioning, which comprises an active RFID electronic tag, a plurality of positioning base stations and a 3G central base station, wherein the active RFID electronic tag comprises a ZIGBEE transceiver, the ZIGBEE transceiver is arranged on a monitored asset, asset information is periodically sent to the plurality of positioning base stations nearby through the ZIGBEE transceiver, the positioning base stations comprise ZIGBEE transceivers and are used for receiving the asset information and obtaining the distances from the assets to the positioning base stations according to the strength of signals, the plurality of positioning base stations send the obtained asset information and the distances to the 3G central base station through the ZIGBEE transceivers on the positioning base stations, the 3G central base station obtains the relative positions of the assets relative to the plurality of different positioning base stations, positioning is realized through the known positions of the plurality of asset positioning base stations, and positioning results are transmitted to the Internet through the 3G network.
However, compared with the traditional manual mode, the technical scheme for supervising the assets based on the RFID can improve the working efficiency, but is only suitable for dense fixed areas such as large warehouses; the code scanning does not substantially change the manual mode. The scheme of adopting RFID needs to install readers in all warehouses, stations and the like, deploy WLAN/wiring and the like, and has the advantages of large workload, high cost, easy damage of RFID electronic tags and short service life. NB-IoT can just make up for the defects, and an asset supervision scheme based on NB-IoT is not found in the prior art. The cellular-based narrowband Internet of things (NB-IoT) is an important branch of the Internet of everything. The NB-IoT is constructed in a cellular network, only consumes about 180KHz of bandwidth, and can be directly deployed in a GSM network, a UMTS network or an LTE network so as to reduce the deployment cost and realize smooth upgrading. NB-IoT is an emerging technology in the IoT domain that supports cellular data connectivity for low power devices over wide area networks, also known as low power wide area networks (LPWA). NB-IoT supports efficient connectivity for devices with long standby time and high requirements for network connectivity. NB-IoT device battery life can be increased to at least 10 years while still providing very comprehensive indoor cellular data connection coverage. The NB-IoT has four characteristics: the method has the advantages that firstly, the wide coverage is realized, improved indoor coverage is provided, and the NB-IoT has 20dB gain compared with the existing network under the same frequency band, and the coverage area is enlarged by 100 times; secondly, the system has the capacity of supporting massive connections, one NB-IoT sector can support 10 ten thousand connections, and the system supports low delay sensitivity, ultralow equipment cost, low equipment power consumption and optimized network architecture; thirdly, the power consumption is lower, and the standby time of the NB-IoT terminal module can be as long as 10 years; fourth, lower module cost, enterprise expects a single connection module to exceed $ 5.
Disclosure of Invention
In order to solve the above technical problems, an object of the present invention is to provide an asset supervision terminal device based on NB-IoT, which can be widely applied to the omnibearing and full-flow supervision of the entire life cycle of assets, thereby greatly improving the logistics efficiency of asset supervision and reducing the supervision cost.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an asset supervision terminal device based on NB-IoT comprises a mainboard, and a main control MCU, a communication module, an information acquisition module and a battery which are arranged on the mainboard, wherein the terminal device is installed on a monitored asset,
the information acquisition module is used for acquiring various supervision information of the supervised assets, the communication module transmits the supervision information to an IoT platform of a management end,
wherein,
the supervision information at least comprises asset ID information, positioning information and vibration information;
the communication module transmits the supervision information to an IoT platform of a management end by utilizing NB-IoT.
Further, location information of the asset may also be obtained through the communication module and the NB-IoT network.
Furthermore, the information acquisition module comprises a GPS module and a vibration sensor, the GPS module is used for acquiring the positioning information of the assets, and the vibration sensor is used for acquiring the vibration information of the assets.
Further, the information acquisition module still includes one or more in temperature sensor, humidity transducer and the pressure sensor, temperature sensor, humidity transducer and pressure sensor are used for obtaining the temperature, humidity and the pressure parameter of the environment that asset is located respectively.
Further, the system also comprises a communication MCU which is arranged on the mainboard or externally arranged.
Furthermore, the information acquisition module also comprises a metering unit, and the metering unit can be used for acquiring the flow data of the supervision assets.
Further, the flow data includes any one of water flow, gas flow, and electric power consumption.
Further, the battery is a polymer lithium ion battery.
Furthermore, the device also comprises a detachable mounting structure.
Further, the detachable mounting structure includes any one of a screw type mounting structure, a clip type mounting structure, a magnetic type mounting structure, and an adhesive type mounting structure.
Compared with the existing asset supervision scheme based on RFID, the invention has the beneficial technical effects that: based on the outstanding advantages of NB-IoT, the asset supervision terminal device provided by the invention can be widely applied to the omnibearing and full-flow supervision of the whole life cycle of assets, including logistics transportation process monitoring, machine room/station asset supervision and the like, has the advantages of wide coverage, strong connection capability and low power consumption, greatly improves the logistics efficiency of asset supervision, and reduces the supervision cost.
Drawings
Fig. 1 is a schematic diagram of an NB-IoT based asset management system.
Fig. 2 is a schematic diagram of functional modules of an NB-IoT-based asset supervision terminal device.
Fig. 3 is a functional schematic diagram of an information collection module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, but the scope of the present invention is not limited to the following embodiments.
The supervision terminal device disclosed by the invention is applied to an asset supervision system based on NB-IoT. The asset monitoring system comprises a monitoring terminal device and an IoT platform, wherein the monitoring terminal device comprises a main board, and a main control MCU, a communication module, an information acquisition module and a battery which are arranged on the main board, and the monitoring terminal device is installed on a monitored asset; the IoT platform includes a location tracking module, an asset inventory module, and an alarm module. The information acquisition module is used for acquiring various supervision information of the supervised assets, and the supervision information at least comprises asset ID information and positioning information; the communication module is used for transmitting the supervision information to the IoT platform through an NB-IoT network; the position tracking module tracks the geographic position of the asset in real time by combining LBS positioning technology and positioning information in the supervision information, and forms a logistics track of the asset according to a time sequence; the asset checking module can automatically generate a list of the monitored assets according to the received asset ID information and the positioning information sent by the information acquisition module, and automatically check according to the asset code preset on the IoT platform; the alarm module may send an alarm signal when the location information of the asset is abnormal.
The IoT platform may be a PC client or a mobile APP.
LBS positioning technology is a location-based service, which is a value-added service that acquires the location information of a mobile terminal user through a radio communication network of a telecom mobile operator or an external positioning mode and provides corresponding services for the user under the support of a geographic information system platform. Location information for the asset may also be obtained through the communication module and the NB-IoT network. The GPS module is used for accurately acquiring the positioning information of the assets, transmitting the positioning information to the IoT platform through the network, acquiring the position information of the base station by utilizing the NB-IoT network, and transmitting the information to the IoT platform, wherein when the NB-IoT network and the IoT platform work together, the priority level is as follows: and preferentially using a GPS module to acquire the positioning information of the assets, and when the signals are not good, acquiring the positioning information of the assets by adopting an NB-IoT network.
A position tracking module: tracking the geographical position of the asset in real time by combining LBS positioning technology and positioning information in the supervision parameter information, and forming a logistics track of the asset according to a time sequence; according to the positioning information sent by the supervision terminal device, the motion track of the corresponding asset can be displayed on the IoT platform, the current position of the asset is represented by a red dot or other representational patterns, and the walking track forms a visible solid track on a map. The delay condition in the asset transportation process can be monitored in real time according to the position tracking module so as to conveniently and reasonably adjust the plans of warehousing and installation of the assets in the follow-up process; the in-transit, in-warehouse or in-place certification of the assets can be realized through the map and the asset movement track, so that the assets are prevented from being lost and stolen; meanwhile, the system can assist in receiving and delivering goods and optimizing and accelerating the implementation process.
The asset monitoring system also includes a vibration monitoring module. The vibration monitoring module may monitor a vibration amplitude and frequency of the asset, and when the vibration amplitude and/or frequency exceeds a threshold, the vibration monitoring module may instruct the alarm module to send an alarm signal. The specific mode of judging the stolen condition and the quality condition of the asset through the vibration information is as follows: when the vibration amplitude of the asset detected in the asset transportation process is larger than the vibration threshold value, transmitting the vibration information to an alarm module for alarming, and performing key inspection except routine inspection on the quality of the asset after the asset reaches a destination; and when the vibration amplitude of the asset is detected to be larger than the vibration threshold value after the asset reaches the destination, transmitting the vibration information to an alarm module for alarming, actively reporting the ID and the position information of the asset, and tracking the position by combining a position tracking module. Wherein the vibration threshold is: the vibration amplitude is larger than a set value, and in the transportation process, when the amplitude of the vibration of the asset is detected to be larger than the set value, the asset is considered to be seriously bumpy in the transportation process, so that after the asset arrives at a destination, important quality detection needs to be carried out on the asset. When the amplitude of the asset is detected to be larger than another larger set value after the destination is reached, the asset is considered to be moved and stolen, and the ID and the position of the asset need to be reported and an operator needs to be reminded to judge whether the asset is stolen. In addition, supervision terminal device is provided with prevents tearing open alarm structure, prevent tearing open the structure including preventing tearing open screw alarm structure, steel wire formula and prevent tearing open alarm structure, light sense formula and prevent tearing open one or more of alarm structure. The anti-dismantling alarm structure also judges whether the asset is stolen or not by collecting vibration signals, if the vibration amplitude of the asset is detected to be larger than 10mm, the default asset is stolen, and the vibration information transmits information to an IoT platform through NB-IoT to alarm.
An asset inventory module: the asset checking module can automatically generate a list of monitored assets according to asset ID information (the ID information adopts IMEI: International Mobile Equipment Identity, abbreviation of International Mobile Equipment Identity, and International Mobile Equipment Identity, which is an electronic serial number consisting of 15 digits and is in one-to-one correspondence with each Mobile phone, and the code is unique all over the world, each Mobile phone is endowed with a group of globally unique numbers after being assembled, and the numbers are recorded by manufacturers who manufacture and produce from production to delivery), and positioning information, which are sent by the information acquisition module, and automatically checks the assets according to asset codes preset on the IoT platform, wherein the automatic checking module has two modes: the supervision terminal device sends the ID and the position information of the assets to the IoT platform at regular time through an NB-IoT network, and the preset asset codes are matched on the IoT platform to carry out asset inventory; the IoT platform actively sends an asset checking instruction to the monitoring terminal device through the NB-IoT network, and the monitoring terminal device sends the ID and the position information of the asset to the IoT platform through the NB-IoT network after receiving the checking instruction and matches with the preset asset code to perform asset checking. The timing as used herein means weekly, monthly, bi-monthly or quarterly, and the specific period is set according to specific needs. And analyzing the result after the asset checking through a statistical function, wherein the statistical function is used for carrying out report statistics and carrying out profit and loss analysis through the asset checking result. When the checked assets are compared with the assets preset on the IoT platform and then are more than the assets preset on the IoT platform, counting as balance; when the checked assets are less than the assets preset on the IoT platform, counting as the inventory loss; and producing corresponding reports by combining the excess and deficiency states, and adjusting the assets according to the reports and the profit and deficiency analysis reports so as to reduce the cost.
An alarm module: and the system is used for receiving the abnormal position information or the abnormal vibration information of the monitoring terminal device and carrying out alarm notification through the IoT platform.
The asset monitoring system can also comprise an electronic fence module, the electronic fence module can set a virtual safe area, and when the asset positioning information acquired by the information acquisition module exceeds the safe area, the alarm module sends out an alarm signal: and when the position of the asset exceeds the range of the safe area, the supervision terminal device sends an instruction to the alarm system to alarm. The safe area ranges here are: within 0.5-3 kilometers of the destination as the center of the circle. And when the assets are detected not to be in the range of the electronic fence, the assets are proved to be moved abnormally, the electronic fence module actively reports the ID of the assets through the communication module, and the position is tracked.
The supervision terminal device disclosed by the invention is arranged on the assets under supervision, can monitor the conditions of ID, position, use state, theft and the like in the transportation process of the assets, the destination of the assets and even the whole use process after the assets are installed, and can display the position of the assets in real time; meanwhile, remote inventory can be carried out on assets to generate an inventory report, planning/postponing is carried out through the report, and the condition of the assets in place is counted, so that the waste of a large amount of manpower, material resources and time for on-site inventory is avoided, the logistics efficiency of asset supervision is greatly improved, and the supervision cost is reduced; in addition, the system can also monitor the working state of the assets and timely perform asset updating and maintenance.
Example 1
The embodiment discloses an asset supervision terminal device based on NB-IoT, which can be typically used for telecommunication equipment, air-conditioning hosts, power transmission and distribution equipment, fans, water pumps and other equipment, utilizes the NB-IoT network to supervise in real time, and supervises scenes, and relates to the management of the whole life cycle of a delivery transportation link, a distribution/sub-package warehouse, a site, a machine room and the like.
The terminal device comprises a mainboard, and a master control MCU, a communication module, an information acquisition module, an MCU and a battery which are arranged on the mainboard, wherein the battery provides power for the modules. The information acquisition module comprises a GPS module and a vibration sensor, and the asset supervision information acquired by the sensor comprises asset positioning information and vibration information. The communication module is an NB-IoT-based information transmission module, and transmits the asset supervision information to an IoT platform of a management end for a user to operate and process. Preferably, the IoT platform may be embedded in an existing asset management system, and the IoT platform may be a user terminal of a PC or a mobile APP. The mainboard comprises a peripheral circuit, an SIM card slot, a physical switch and the like. Preferably, the terminal device further includes a peripheral interface.
The MCU is a Micro Controller Unit (MCU), which is also called a Single Chip Microcomputer (Single Chip Microcomputer) or a Single Chip Microcomputer.
Preferably, the terminal device further comprises a communication MCU, and the communication MCU is used for controlling the communication module. The master control MCU is used for analyzing and processing information, and the master control MCU adopts an ARM chip and mainly adopts M series chips of the ARM chip.
The terminal device can be applied to an environment at the temperature of-30-70 ℃, and has certain functions of vibration prevention, collision prevention, explosion prevention and the like. In order to meet the requirements of service life, industrialization, conversion efficiency, safety and the like, the performance requirement of the battery is high. Preferably, this embodiment employs a polymer lithium ion battery (LPB). The capacity requirement of the battery is more than 3000mAH, and the battery can realize 10-day transportation (10%), 10-year rest (60%) and 5-day emergency tracking (30%).
The NB-IoT-based asset monitoring system further comprises an alarm module, and when the positioning information of the asset acquired by the GPS module is inconsistent with the asset position information preset by the IoT platform and/or the vibration information acquired by the vibration sensor exceeds a threshold value, the alarm module starts an alarm program.
The terminal device is detachably mounted on an asset to be supervised, and a clamp type mounting structure is adopted in the embodiment. The GPS module can be internally provided with a map program which can position the specific position of the asset at any time, and the precision can reach 10-15 meters. In the transportation process of the assets, the GPS module can monitor the logistics track at any time and monitor the logistics delay condition in real time, so that subsequent plans such as warehousing/installation are reasonably adjusted, and the GPS module can be used as an in-transit/in-warehouse/in-place certificate of the assets to prevent loss and use. And the system can also assist in receiving and delivering goods, optimizing and accelerating the implementation process.
And for the assets installed in the site and the machine room, reporting the asset ID/position information every 1 month (the period can be matched), matching the asset financial codes of the NB-IoT network, and realizing the automation of asset inventory. The command can be issued through an IoT platform management system, active inventory is initiated, and the inventory strategy can be intelligently adjusted according to the inventory excess/inventory shortage of the report.
Preferably, the asset monitoring system may further include an electronic fence module, and when the positioning information of the GPS module exceeds a set safety threshold of the electronic fence, the management system of the IoT platform will automatically alarm to prompt the user to check related conditions in time, so as to prevent the assets from being moved abnormally, such as theft. The threshold value for the fence can be set to within 0.5-3 km of the radius of the asset being monitored, and a typical fence threshold can be set to 1.85 km of the radius, depending on the particular application and object being monitored.
The vibration sensor can be used for monitoring the vibration condition of the assets in real time, particularly can be used in the logistics transportation process of the assets, when the vibration exceeds a threshold value, a management system of an IoT platform can automatically give an alarm, and for the condition that the vibration is too large in the transportation process, important inspection needs to be carried out when equipment receives the vibration, so that the quality of the assets is guaranteed. The threshold range is + - (1-6) mm, and a typical threshold may be set to + -3 mm depending on the specific application and the object to be monitored.
The asset supervision terminal device disclosed by the embodiment further comprises an anti-dismantling alarm module. The supervision terminal device is provided with prevents tearing open alarm structure, prevent tearing open the structure including preventing tearing open screw alarm structure, steel wire formula and prevent tearing open alarm structure, light sense formula and prevent tearing open one or more of alarm structure. The anti-dismantling alarm structure also judges whether the assets are stolen or not by collecting vibration signals. And when the amplitude of the asset is detected to be larger than 10mm, the asset is considered to be suspected to be moved and stolen, the ID and the position of the asset are reported, an operator is reminded to check the ID and the position of the asset, and whether the asset is stolen or not is judged.
Example 2
This embodiment describes only the technical features different from embodiment 1, and other technical features may be the same as embodiment 1 described above. The embodiment discloses an asset supervision terminal device based on NB-IoT, which can be typically used in water meters, gas meters, electricity meters and other equipment needing flow measurement, and utilizes the NB-IoT network for real-time supervision.
The terminal device disclosed in this embodiment may be installed in the metering device, and the information acquisition module further includes a metering unit, and the metering unit may periodically transmit flow data of water, electricity, and gas to a management system of the IoT platform, so that a manager can charge uniformly. Preferably, the terminal device may be fixed inside the metering apparatus using a magnetic mounting structure.
Example 3
This embodiment describes only the technical features different from embodiment 1, and other technical features may be the same as embodiment 1 described above. The embodiment discloses an asset supervision terminal device based on NB-IoT, which is typically used for real-time supervision by utilizing an NB-IoT network in meteorological monitoring equipment of a meteorological station.
The terminal device disclosed in this embodiment can be installed in the above-mentioned meteorological monitoring equipment, and its information acquisition module still includes temperature sensor, humidity transducer and pressure sensor to regularly acquire meteorological parameters such as the temperature, humidity and the pressure of monitoring point, carry to the management system of IoT platform in. Preferably, the terminal device can be fixed inside the meteorological monitoring equipment by using a magnetic-type mounting structure. Of course, the information collection module may also only obtain the original monitoring data of the weather monitoring device and transmit the monitoring data to the management system of the IoT platform.
Example 4
This embodiment describes only the technical features different from embodiment 1, and other technical features may be the same as embodiment 1 described above. The embodiment discloses an asset supervision terminal device based on NB-IoT, which can be integrated on a chip without additionally arranging a communication MCU (microprogrammed control unit), namely a Haisi Boudica150 chip + LiteOS.
Example 5
This embodiment describes only the technical features different from embodiment 1, and other technical features may be the same as embodiment 1 described above. The embodiment discloses an asset supervision terminal device based on NB-IoT, wherein the anti-dismantling device alarm module is a steel wire type anti-dismantling alarm device, and the detachable installation structure is an adhesion type installation structure.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. An asset supervision terminal device based on NB-IoT comprises a mainboard, and a main control MCU, a communication module, an information acquisition module and a battery which are arranged on the mainboard, wherein the terminal device is installed on a monitored asset,
the information acquisition module is used for acquiring various supervision information of the supervised assets, the communication module transmits the supervision information to an IoT platform of a management end,
the method is characterized in that:
the supervision information at least comprises asset ID information, positioning information and vibration information;
the communication module transmits the supervision information to an IoT platform of a management end by utilizing NB-IoT.
2. An asset supervision terminal according to claim 1, characterized in that the location information of an asset is also available through the communication module and NB-IoT network.
3. An asset supervision terminal device according to claim 1 or 2, characterized in that the information collection module comprises a GPS module for acquiring positioning information of an asset and a vibration sensor for acquiring vibration information of an asset.
4. An asset supervision terminal device according to claim 3, characterized in that the information collection module further comprises one or more of a temperature sensor, a humidity sensor and a pressure sensor, and the temperature sensor, the humidity sensor and the pressure sensor are respectively used for acquiring temperature, humidity and pressure parameters of the environment where the asset is located.
5. An asset supervision terminal device according to claim 1, further comprising a communication MCU, wherein the communication MCU is disposed on the main board or externally installed.
6. An asset supervision terminal according to claim 1, characterized in that the information collection module further comprises a metering unit operable to obtain flow data of the supervised asset.
7. An asset supervision terminal according to claim 6, characterized in that the flow data includes any one of water flow, gas flow and electric energy consumption.
8. An asset supervision terminal according to claim 1, characterised in that the battery is a polymer lithium ion battery.
9. An asset supervision terminal according to claim 1, characterised in that it further comprises a removable mounting structure.
10. An asset supervision terminal device according to claim 9, characterized in that the detachable mounting structure comprises any of a screw-type mounting structure, a clip-type mounting structure, a magnetic-type mounting structure, an adhesive-type mounting structure.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107835502A (en) * | 2017-10-25 | 2018-03-23 | 成都众山科技有限公司 | A kind of asset tracking method based on NB IoT networks |
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