CN212228069U - Container door opening monitoring equipment based on acceleration sensor - Google Patents
Container door opening monitoring equipment based on acceleration sensor Download PDFInfo
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- CN212228069U CN212228069U CN201922417031.8U CN201922417031U CN212228069U CN 212228069 U CN212228069 U CN 212228069U CN 201922417031 U CN201922417031 U CN 201922417031U CN 212228069 U CN212228069 U CN 212228069U
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Abstract
The utility model discloses a container door opening monitoring device based on an acceleration sensor, which comprises a main control module, a sensor module, a positioning module, a communication module and a power module; the sensor module adopts a six-axis acceleration sensor, the sensor module, the positioning module and the communication module are all connected with the main control module, and the power supply module supplies power to the monitoring equipment. The utility model discloses a monitoring facilities is used for detecting the condition of opening of container door to realize long-range wireless communication.
Description
Technical Field
The utility model relates to a low-power consumption remote monitoring equipment especially relates to a container monitoring facilities that opens door based on acceleration sensor.
Background
The internet of things equipment can comprehensively monitor the operation condition and the external environment of a product through a sensor, and the application scene of the internet of things equipment can also go deep into the aspects of production and life along with the global development of the internet of things technology. Today, the work load of customs workers on the acceptance of imported and exported goods is increasing. After opening inspection of the over-closed goods, the goods are often illegally exchanged. And frequent unpacking inspection of containers consumes a large amount of manpower and material resources, so a set of container opening monitoring system needs to be set up to monitor the condition that the container door is opened in real time. The current commonly used door opening monitoring method mostly adopts electromagnetic switches such as a magnetic reed switch to realize the relative position monitoring of the door and the door frame, needs two installation devices, is complex in installation, low in reusability and relatively high in cost.
Aiming at the actual situation of monitoring the customs container, the container has large mobility and is distributed within a certain distance range, and a monitoring device which is simple, convenient, easy to disassemble, reliable in detection and long in transmission distance needs to be designed to monitor the inspected container in real time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a container monitoring facilities that opens door based on acceleration sensor.
Realize the utility model discloses the technical scheme of purpose does: a container door opening monitoring device based on an acceleration sensor comprises a main control module, a sensor module, a positioning module, a communication module and a power supply module; the main control module is electrically connected with the sensor module, the positioning module, the communication module and the power supply module; the sensor module adopts a six-axis acceleration sensor and sends detected acceleration information to the main control module; the positioning module sends the position information of the equipment to the main control module and sends the position information of the equipment to a receiving end through the communication module; the power module is used for supplying power to the monitoring equipment.
Furthermore, the container door opening monitoring equipment is adsorbed on the surface of the container door of the container in a magnet mode.
Furthermore, the six-axis acceleration sensor consists of a three-axis acceleration sensor, a three-axis gyroscope and a digital motion processor.
Furthermore, the positioning module adopts a GPS positioning module, a Beidou positioning module, a base station positioning module or a wifi positioning module.
Further, the communication module adopts a LoRa communication module.
Further, the power module supplies power in a self-powered manner by using an internal battery.
Compared with the prior art, the utility model discloses a show the advantage and do: (1) the low-power consumption container door opening monitoring equipment provided by the utility model can accurately detect the opening condition of the container door, and realize remote wireless communication; (2) the equipment has small volume and light weight, and can be conveniently arranged on the surface of the container door of the container; (3) the cost of single equipment is low, and the device is suitable for occasions of batch use; (4) the battery power supply mode is adopted, and the endurance time is more than 2 years; (5) the wireless communication is carried out by adopting the LoRa spread spectrum technology, so that the communication distance can reach 3-5km, and the power consumption is lower.
Drawings
Fig. 1 is the utility model discloses a container monitoring facilities modular diagram that opens door based on acceleration sensor.
Detailed Description
In the wireless communication of the Internet of things industry, the mainstream technologies such as GPRS, LTE, NB-loT, LoRa and the like are applied more. The hardware cost, the network cost and the installation cost are comprehensively considered, and the self-networking is carried out by adopting the LoRa technology under the condition of small data volume transmission, so that a feasible scheme is provided. LoRa (Long Range radio) is a low-power local area network wireless standard established by semtech, and during wireless transmission, the low power consumption is generally difficult to cover a long distance, and half of the long distance is high in power consumption, and the LoRa is mainly characterized in that a spread spectrum modulation technology is adopted, a longer communication distance is obtained under the same power consumption, the communication distance can reach 3-5km in a town and 15km in an open suburban area, the service life of a battery can reach 10 years due to the lower power consumption, the reliability is high, and the anti-interference performance is strong.
The six-axis acceleration sensor integrates a three-axis accelerometer and a three-axis gyroscope, and can measure the motion acceleration and the rotation angular velocity in each spatial direction. At present, MEMS acceleration sensors are already in the fields of aviation, aerospace, navigation, automobiles, weaponry and the like, have the characteristics of small volume, light weight, low cost, low power consumption, high reliability and the like, and are suitable for being applied to occasions with low energy consumption requirements in a large scale.
The utility model provides a container monitoring facilities that opens door that convenient operation, good reliability, low power dissipation build one set of intelligent monitoring system who monitors all containers state of opening door, including following function: door opening monitoring, position monitoring, wireless communication and intelligent alarm.
The container door opening monitoring device adopts a magnet mode, can be directly adsorbed on the surface of the door of the container, and can detect the opening action of the door when the door is opened, send out an alarm and send information to the monitoring terminal. As shown in fig. 1, the monitoring device mainly includes a main control module, a sensor module, a positioning module, a communication module, and a power module.
The sensor module takes a six-axis acceleration sensor MPU6050 as a core, the six-axis acceleration sensor comprises a three-axis acceleration sensor, a three-axis gyroscope and a digital motion processor, the three-axis acceleration sensor can accurately measure three-axis acceleration of the equipment, the gyroscope can measure three-axis angular acceleration of the equipment, the digital motion processor receives data of the three-axis acceleration sensor and the three-axis gyroscope, calculates current motion state information and sends the current motion state information to the main control module, the motion state information comprises three-axis acceleration and three-axis angular acceleration, the main control module judges whether the box door is opened according to the current motion information of the equipment, and if the current equipment is monitored to have angular acceleration around a Z axis besides the linear velocity, the box door is opened.
The main control module is electrically connected with other modules, an ARM with small size, low power consumption and strong function is used as a core processor, the working information of the monitoring equipment can be processed, the opening condition of the container door is judged according to the data of the sensor module, and the information is sent to the receiving end equipment through the communication module.
Furthermore, the positioning module adopts a GPS positioning module, a Beidou positioning module, a base station positioning module or a wifi positioning module, and sends the position information of the equipment to the main control module and sends the position information to the receiving end through the communication module.
Furthermore, communication module adopts loRa communication module, realizes long-range wireless communication function.
Furthermore, the power module has the main functions of supplying power to the equipment and detecting the voltage. In order to improve the tightness of the equipment, an internal battery self-powered mode is adopted for supplying power.
The present invention will be described in detail with reference to the following examples.
Examples
The utility model provides a container monitoring facilities that opens door based on acceleration sensor, but direct mount is in the chamber door surface of container, and when the chamber door was opened, this equipment can detect the opening action of chamber door, sends out the police dispatch newspaper and sends information to control end. The equipment comprises a main control module, a sensor module, a positioning module, a communication module and a power supply module.
The main control module is electrically connected with other modules, a microprocessor with small size, low power consumption and strong function is used as a core processor, the working information of the monitoring equipment can be processed, the opening and closing state of the container door is calculated according to the data of the acceleration module, and the information is sent to the receiving end equipment through the communication module.
The sensor module takes a six-axis acceleration sensor MPU6050 as a core, the six-axis acceleration sensor is composed of a three-axis acceleration sensor, a three-axis gyroscope and a digital motion processor, three-axis acceleration and three-axis angular acceleration of the equipment can be accurately measured, motion state information is sent to the main control module, and the main control module judges whether the box door is opened or not according to the acceleration information.
The positioning module adopts a GPS positioning module, transmits the position information of the equipment to the main control module and transmits the position information to the receiving end through the communication module. Communication module adopts loRa communication module, realizes long-range wireless communication function. The power module adopts a mode of internal lithium battery power supply.
The embodiment of the utility model provides an in chip, interface, communication protocol and communication code, procedure etc. that provide all be prior art, do not regard as the utility model discloses the technical feature of required protection.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The present invention is intended to cover by those skilled in the art various modifications and adaptations of the invention without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention is subject to the claims.
Claims (4)
1. A container door opening monitoring device based on an acceleration sensor is characterized by comprising a main control module, a sensor module, a positioning module, a communication module and a power supply module; the main control module is electrically connected with the sensor module, the positioning module, the communication module and the power supply module; the sensor module adopts a six-axis acceleration sensor and sends detected acceleration information to the main control module; the positioning module sends the position information of the equipment to the main control module and sends the position information of the equipment to a receiving end through the communication module; the power supply module is used for supplying power to the monitoring equipment; the six-axis acceleration sensor consists of a three-axis acceleration sensor, a three-axis gyroscope and a digital motion processor; the communication module adopts a LoRa communication module.
2. The acceleration sensor-based container opening monitoring device of claim 1, wherein the container opening monitoring device is attached to the door surface of the container by means of a magnet.
3. The acceleration sensor-based container door opening monitoring device of claim 1, wherein the positioning module is a GPS positioning module, a beidou positioning module, a base station positioning module or a wifi positioning module.
4. The acceleration sensor-based container door opening monitoring device of claim 1, wherein said power module is powered by an internal battery that is self-powered.
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CN201922417031.8U CN212228069U (en) | 2019-12-30 | 2019-12-30 | Container door opening monitoring equipment based on acceleration sensor |
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CN201922417031.8U CN212228069U (en) | 2019-12-30 | 2019-12-30 | Container door opening monitoring equipment based on acceleration sensor |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111735452A (en) * | 2019-12-30 | 2020-10-02 | 江苏金陵智造研究院有限公司 | Low-power consumption container door opening monitoring facilities based on little acceleration sensor |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111735452A (en) * | 2019-12-30 | 2020-10-02 | 江苏金陵智造研究院有限公司 | Low-power consumption container door opening monitoring facilities based on little acceleration sensor |
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