CN211452598U - Low-power consumption thing networking vibration anomaly detection device - Google Patents
Low-power consumption thing networking vibration anomaly detection device Download PDFInfo
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- CN211452598U CN211452598U CN202020167364.XU CN202020167364U CN211452598U CN 211452598 U CN211452598 U CN 211452598U CN 202020167364 U CN202020167364 U CN 202020167364U CN 211452598 U CN211452598 U CN 211452598U
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Abstract
The utility model relates to a low-power consumption thing networking vibration anomaly detection device, including box body and the vibration detection module and the lithium subcell of arranging in it, be stamped the upper cover on it, lithium subcell and vibration detection module electric connection, the vibration detection module contains MCU, loRa communication unit, antenna, RS485 interface unit, memory cell and vibration monitoring unit, MCU links to each other with memory cell, RS485 interface unit, loRa communication unit, vibration monitoring unit respectively, loRa communication unit connects the antenna; the vibration monitoring unit acquires data of the three-axis vibration sensor and transmits the data to the MCU, the MCU sends a result of whether the equipment is in an abnormal operation condition to the LoRa communication unit, and a wireless signal is sent through an antenna; antenna reception loRa radio signal, loRa communication unit gives MCU with radio signal transmission, and MCU is to signal analysis, convert data instruction into, control vibration detection terminal.
Description
Technical Field
The utility model relates to a low-power consumption thing networking vibration anomaly detection device.
Background
In recent years, the technology of the internet of things is rapidly developed, various application technologies and products of the internet of things are in a large scale, and various types of terminals of the internet of things also appear. In the internet of things or industrial internet platform, after the sensor acquires the monitoring data, the monitoring data generally needs to be uploaded to a system platform, and calculation and analysis processing are carried out on the system platform. With the development of the technology of the internet of things, the equipment is accessed to the internet of things in a large scale, when a plurality of analysis and calculation needs to be processed simultaneously, massive data can be generated on the terminal equipment, the transmission bandwidth pressure and the calculation pressure of the cloud platform are increased steeply at the moment, the situations of insufficient bandwidth and insufficient calculation capacity of the cloud platform are very likely to occur, and the collapse can be caused seriously. In order to avoid the above situation, a solution commonly used in the industry at present is to upgrade or expand computing hardware and bandwidth so as to cope with instantaneous transmission bandwidth and computing pressure which may occur in the use process of a cloud platform system.
At present, in the internet of things or industrial internet platforms used in the industry, the computing capability of a system cloud platform is strongest, and a large amount of data management and intelligent AI (Artificial intelligence) computation of the internet of things are generally carried out on the cloud platform. With the development of the internet of things technology, it has become a common consensus for the development in the industry to fully utilize the computing power of the data acquisition terminal, so that the concept of edge computing is also brought forward. The edge computing is originated in the media field, and means that an open platform integrating network, computing, storage and application core capabilities is adopted on one side close to a data source to provide nearest-end service nearby. The application program is initiated at the edge side, so that a faster network service response is generated, and the basic requirements of the industry in the aspects of real-time business, application intelligence, safety, privacy protection and the like are met. For the emerging thing of edge computing, no uniform standard is formed in the industry at present, and the actual landing projects and applications are few.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art existence, provide a low-power consumption thing networking vibration anomaly detection device.
The purpose of the utility model is realized through the following technical scheme:
low-power consumption thing networking vibration anomaly detection device, the characteristics are: including the box body and arrange vibration detection module and the inferior battery of lithium in it in, be stamped the upper cover on it, inferior battery of lithium and vibration detection module electric connection, vibration detection module contains MCU, loRa communication unit, the antenna, RS485 interface unit, memory cell and vibration monitoring unit, MCU links to each other with memory cell, RS485 interface unit, loRa communication unit, vibration monitoring unit respectively, loRa communication unit connects the antenna.
Further, in the low-power consumption internet of things vibration abnormality detection device, the MCU is an STM32H743 chip based on a cottex _ M7 kernel from ST corporation.
Further, in the low-power consumption internet of things vibration abnormality detection device, the LoRa communication unit is an sx1278 communication chip of semtech corporation.
Further, the low-power consumption thing networking vibration anomaly detection device, wherein, the antenna is coil spring antenna.
Further, in the low-power consumption internet of things vibration abnormality detection device, the RS485 interface unit is an SN65HVD75DR interface chip.
Further, in the low-power consumption internet of things vibration abnormality detection device, the storage unit is a MX25L6433FZNI nonvolatile storage chip.
Further, in the low-power consumption internet of things vibration anomaly detection device, the vibration monitoring unit is an ADXL354 high-bandwidth three-axis vibration detection chip.
Compared with the prior art, the utility model have apparent advantage and beneficial effect, the concrete aspect that embodies is in following:
the monitored object can be equipment of rotating machinery, the problem that a cloud computing platform cannot meet the requirements of multiple concurrent real-time computing requests on high bandwidth and high computing power is solved, the vibration abnormity detection node has a simple hardware structure, is convenient and efficient, collects vibration data of various on-site equipment and scattered collection points and calculates the vibration data in real time, and whether the vibration of the equipment is abnormal or not provides predictive alarm for the operation of a smart factory.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1: the utility model discloses an exploded structure schematic diagram of a detection device;
FIG. 2: and a circuit block diagram of the vibration detection module.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the directional terms and the sequence terms and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, the low-power consumption internet of things vibration anomaly detection device comprises a box body 4, a vibration detection module 2 and a lithium sub-battery 3, wherein the vibration detection module 2 and the lithium sub-battery 3 are arranged in the box body, an upper cover 1 covers the box body, the lithium sub-battery 3 is electrically connected with the vibration detection module 2, the lithium sub-battery 3 is an ER26500 lithium sub-battery, the upper cover 1 and the box body 4 adopt IP 65-grade sealed waterproof interfaces, and an ABS composite engineering material added with 30% of glass fiber is adopted, so that the firmness and the waterproof and dustproof performance of a node are ensured, and meanwhile, the attenuation of a LoRa wireless signal; by adopting the ER26500 lithium sub-battery, the requirements of normal calculation and radio frequency transceiving on transient current when the module is awakened are met, and meanwhile, the low-self-discharge characteristic is achieved, the standby operation time of the vibration detection module 2 can be better prolonged, and the standby can be carried out for more than 5 years.
As shown in fig. 2, the vibration detection module 2 includes an MCU21, an LoRa communication unit 24, an antenna 25, an RS485 interface unit 23, a storage unit 22, and a vibration monitoring unit 26, the MCU21 is connected to the storage unit 22, the RS485 interface unit 23, the LoRa communication unit 24, and the vibration monitoring unit 26, and the LoRa communication unit 24 is connected to the antenna 25; the vibration monitoring unit 26 collects data of the three-axis vibration sensor and transmits the data to the MCU21, the MCU21 calculates the collected data, sends a result of whether the equipment is in an abnormal operation condition to the LoRa communication unit 24, sends a wireless signal through the antenna 25 and communicates with the gateway, and the gateway sends the data to the network cloud server; meanwhile, the antenna receives an LoRa wireless signal, the LoRa communication unit 24 transmits the wireless signal to the MCU21, and the MCU21 analyzes and converts the signal into a data instruction to control the vibration detection terminal.
The MCU21 is an STM32H743 chip based on a cortex _ M7 kernel of ST company. The LoRa communication unit 24 is an sx1278 communication chip of semtech corporation. The antenna 25 is a coil spring antenna, and transmits a signal modulated by the LoRa communication unit 24, and receives an LoRa wireless signal. The RS485 interface unit 23 is an SN65HVD75DR interface chip, and converts the TTL level signal of the MCU usart interface into a 485 level signal. The memory cell 22 is a MX25L6433FZNI nonvolatile memory chip. The vibration monitoring unit 26 is an ADXL354 high-bandwidth three-axis vibration detection chip.
The vibration anomaly detection device utilizes an LoRa technology to solve the problems of difficult networking, poor reliability and the like in the field of remote acquisition and measurement, the LoRa is fused with a spectrum diffusion communication technology and a GFSK modulation technology, the maximum data transmission speed is 300kbps, the maximum Link Budget (Link Budget) is 168dB, the maximum RF output power is +20dBm, the signal receiving sensitivity is-146.5 dBm, the third-order input cut-off point (IIP3) is-12 dBm, the anti-Blocking (Blocking Immunity) characteristic is 100dB, the dynamic range of the Received Signal Strength (RSSI) is 115dB, the server, gateway and node architecture is adopted, the deployment is convenient, the networking is simple, and the damage of a certain node does not influence other nodes. The transmission distance is long, the coverage range of the base station is wide, the power consumption is low, the reliability is high, the anti-interference capability is strong, and the signal encryption is good. The network capacity is large, the gateway has very high capacity or performance to realize a long-distance star network, messages are received from a large number of nodes, the high network capacity utilization rate is realized by self-adaptive data rate and a multi-channel multi-modulation transceiver in the gateway, and the messages can be received on multiple channels simultaneously. LoRa is based on spread spectrum modulation, when different spreading factors are used, the signals are actually orthogonal to each other, when the spreading factor changes, the effective data rate also changes, and the gateway can accept a plurality of different data rates on the same channel at the same time. The node supports signal uplink communication and downlink communication, namely supports data transmission from the node to the gateway and then to the server, and supports the server to transmit data to the gateway and then to the node, so that not only can the sensing measured value be read, but also a parameter control instruction can be sent to the collector node.
The utility model discloses vibration anomaly detection device based on low-power consumption thing networking, more real-time, faster data processing ability, reduced the process of intermediate transmission, data processing's speed is faster; the cost is lower, and the cost advantages are achieved in data calculation and storage; the requirement on lower network bandwidth is met, the network transmission pressure is increased along with the increase of networking equipment, and the data exchange with a cloud platform is not too much, so that too much network bandwidth is not required to be occupied; the efficiency of the application program is improved; when the data processing is faster, the network transmission pressure is lower, and the cost is lower, the efficiency of the application program is greatly improved; the data privacy protection is more operational, and as the data collection and calculation are based on the local, the data are not transmitted to the cloud, and important sensitive information can not be transmitted through a network, so that the sensitive information leakage in the transmission process is effectively avoided.
To sum up, the utility model discloses vibration anomaly detection device, the object that is monitored can be the equipment of rotating machinery class, solves the problem that cloud computing platform can't deal with a plurality of concurrent real-time computation requests to the demand of high bandwidth and high computing power, has vibration anomaly detection node hardware simple structure, and is convenient, high-efficient, with the vibration data acquisition and the real-time computation of various equipment in scene and dispersion acquisition point, whether the vibration of equipment exists unusually, provides the prediction nature warning for the operation of wisdom mill.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (7)
1. Low-power consumption thing networking vibration anomaly detection device, its characterized in that: including box body (4) and arrange vibration detection module (2) and lithium subcell (3) in it in, be stamped upper cover (1) on it, lithium subcell (3) and vibration detection module (2) electric connection, vibration detection module (2) contain MCU (21), loRa communication unit (24), antenna (25), RS485 interface unit (23), memory cell (22) and vibration monitoring unit (26), MCU (21) respectively with memory cell (22), RS485 interface unit (23), loRa communication unit (24), vibration monitoring unit (26) link to each other, loRa communication unit (24) connect antenna (25).
2. The low-power consumption thing networking vibration anomaly detection device of claim 1, characterized in that: the MCU (21) is an STM32H743 chip based on a cotex _ M7 kernel and manufactured by ST company.
3. The low-power consumption thing networking vibration anomaly detection device of claim 1, characterized in that: the LoRa communication unit (24) is an sx1278 communication chip of semtech company.
4. The low-power consumption thing networking vibration anomaly detection device of claim 1, characterized in that: the antenna (25) is a helical spring antenna.
5. The low-power consumption thing networking vibration anomaly detection device of claim 1, characterized in that: the RS485 interface unit (23) is an SN65HVD75DR interface chip.
6. The low-power consumption thing networking vibration anomaly detection device of claim 1, characterized in that: the memory unit (22) is an MX25L6433FZNI nonvolatile memory chip.
7. The low-power consumption thing networking vibration anomaly detection device of claim 1, characterized in that: the vibration monitoring unit (26) is an ADXL354 high-bandwidth triaxial vibration detection chip.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020167364.XU CN211452598U (en) | 2020-02-13 | 2020-02-13 | Low-power consumption thing networking vibration anomaly detection device |
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| CN202020167364.XU CN211452598U (en) | 2020-02-13 | 2020-02-13 | Low-power consumption thing networking vibration anomaly detection device |
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| CN211452598U true CN211452598U (en) | 2020-09-08 |
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| CN202020167364.XU Expired - Fee Related CN211452598U (en) | 2020-02-13 | 2020-02-13 | Low-power consumption thing networking vibration anomaly detection device |
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