阅读说明：本技术 一种基于物联网的设备运行检测装置及方法 (Equipment operation detection device and method based on Internet of things ) 是由 汪家常 李绍铭 季小明 王勇 贾茂盛 于 2020-12-31 设计创作，主要内容包括：本发明公开了一种基于物联网的设备运行检测装置及方法,属于设备运行检测技术领域。本发明的设备运行检测装置包括多用电流检测系统、通信系统和主控系统,所述的多用电流检测系统设置于检测设备的电源线上,用于实时检测流入设备的电流；多用电流检测系统与通信系统连接,将测量得到的数据经通信系统发送至主控系统。本发明将各用电设备作为研究对象,通过检测流入设备的电流,判断设备是否处于运行状态并记录其运行时间以及使用频率,避免了在现有设备闲置或使用不频繁的情况下重复购入相同设备,从而导致的资金浪费问题。(The invention discloses an equipment operation detection device and method based on the Internet of things, and belongs to the technical field of equipment operation detection. The device operation detection device comprises a multipurpose current detection system, a communication system and a main control system, wherein the multipurpose current detection system is arranged on a power line of detection equipment and is used for detecting the current flowing into the equipment in real time; the multipurpose current detection system is connected with the communication system, and the measured data are sent to the master control system through the communication system. The invention takes each electric device as a research object, judges whether the device is in the running state and records the running time and the use frequency of the device by detecting the current flowing into the device, and avoids the problem of fund waste caused by repeatedly purchasing the same device under the condition that the existing device is idle or is not frequently used.)

1. The utility model provides an equipment operation detection device based on thing networking which characterized in that: the system comprises a multipurpose current detection system, a communication system and a main control system, wherein the multipurpose current detection system is arranged on a power line of detection equipment and is used for detecting the current flowing into the equipment in real time; the multipurpose current detection system is connected with the communication system, and the measured data are sent to the master control system through the communication system.

2. The device for detecting the operation of the equipment based on the internet of things according to claim 1, wherein: the current inductor (1) in the multipurpose current detection system is arranged on a power line of detection equipment and used for detecting current flowing into the equipment in real time, and the secondary side of the current inductor is connected with the input end and the ground end of the data processing unit (2) respectively; the data processing unit (2) is connected with the wireless communication unit (3) through a serial port, and the data processing unit (2) sends data to the master control system by using the wireless communication unit (3); a communication port of an embedded development board (5) of the master control system is connected with the wireless communication unit (3), a data port of the embedded development board (5) is connected with the display screen (6), and the power supply unit (4) obtains electric energy from a power line to supply power to the data processing unit (2) and the wireless communication unit (3) when equipment runs.

3. The device for detecting the operation of the equipment based on the internet of things as claimed in claim 2, wherein: the current sensor (1) adopts one of a current transformer circuit, a Hall current sensor circuit or a shunt resistance circuit.

4. The device for detecting the operation of the equipment based on the internet of things as claimed in claim 2, wherein: the current sensor (1) adopts two or three of a current transformer circuit, a Hall current sensor circuit and a shunt resistance circuit, and selects a corresponding current detection mode by setting a selection button.

5. The device for detecting the operation of the equipment based on the Internet of things according to claim 3 or 4, wherein: the data processing unit (2) comprises a rectifying circuit and a microcontroller minimum working unit, wherein the rectifying circuit comprises rectifying diodes D1, D2, D3 and D4, a filter capacitor C5, load resistors R4 and R7 and a voltage stabilizing diode D6; the secondary side of the current inductor (1) is connected with the cathode of the diode D1 and the anode of the diode D2; the other end of the diode is connected with the cathode of the diode D4 and the anode of the diode D3; the anode of the diode D1 is connected with the anode of the diode D4, the cathode of the filter capacitor C5, one end of the resistor R7 and the anode of the voltage stabilizing diode D6; the cathode of the diode D2 is connected with the anode of the filter capacitor C5 and one end of the resistor R4; the other end of the resistor R4 is connected with the other end of the resistor R7; two ends of the resistor R7 are used as output ends to be connected with the measuring end of the singlechip circuit, and the singlechip circuit is connected with the wireless communication unit (3).

6. The device for detecting the operation of the equipment based on the Internet of things according to claim 5, wherein: the resistor R7 is an adjustable resistor, the anode of the diode D1 is connected with one fixed end of the adjustable resistor R7, and the other end of the resistor R4 is connected with the other fixed end of the adjustable resistor R7; the sliding end of the adjustable resistor R7 is connected with the cathode of the voltage stabilizing diode D6 and the measuring end of the single chip microcomputer circuit, the single chip microcomputer circuit is connected with the wireless communication unit (3), and the anode of the diode D6 is grounded.

7. An equipment operation detection method based on the Internet of things is characterized in that: the current flowing into the detection equipment on the power line is detected through the current inductor (1), the current is transmitted to the single chip microcomputer for processing after being processed by the rectifying circuit, and the data is transmitted to the main control system for processing and recording by the wireless communication unit (3), so that the use condition and the use frequency of the equipment are obtained; the coordinator of the main control equipment is used for carrying out unified management, and storing the data into the database, thereby realizing the intelligent management of the equipment.

8. The device operation detection method based on the internet of things as claimed in claim 7, wherein: the corresponding current transformer detection mode, hall current sensor detection mode, and shunt resistance detection mode are selected by the buttons SW1, SW2, and SW 3.

9. The device operation detection method based on the internet of things as claimed in claim 8, wherein: the resistance value of the adjustable resistor R7 is adjusted to set a current threshold value, the current of the equipment is detected, and the service time and the service frequency of the corresponding equipment are obtained and recorded, so that whether the equipment is frequently used or not and the long-term working condition of the equipment are judged.

Technical Field

The invention relates to the technical field of equipment operation detection, in particular to an equipment operation detection device and method based on the Internet of things.

Background

With the rapid development of technology and economy, both in the enterprise and educational industries, a large number of devices and instruments are being purchased for teaching and research. The management modes of the devices in various industries are different, and a common mode is that a manual disk copying mode is adopted, and the content of disk copying is basically to check whether the devices are lost or damaged. Although the human-disk-sharing approach solves the problem of equipment supervision to some extent, it still has inevitable disadvantages: unnecessary waste of labor and ambiguity in the operating state and frequency of use of the equipment. Aiming at the defect that labor is wasted due to the fact that people are subjected to repeated operation, a large number of people and organizations at home and abroad are researched, and equipment state detection devices based on the Internet of things are invented, but most of the devices detect the working state and environment of equipment, such as temperature, humidity and whether electricity is leaked, the detection of the running state of the equipment is basically realized, but the problem of fuzzification of the running frequency of the equipment is still not solved, and the waste is easily caused due to the fact that the equipment is purchased excessively.

Through retrieval, Chinese patent number ZL201710463231.X, patent name: a method and a system for controlling the working state of terminal equipment of the Internet of things are provided; the application receives the working state indication information sent by the convergence unit through the edge routing node; the edge routing node forwards the working state indication information to terminal equipment matched with the equipment type in the wireless network coverage range of the edge routing node; when monitoring that the system time reaches the data acquisition time, the terminal equipment switches the working state of the terminal equipment to the working state when the data is acquired and acquires the data; when monitoring that the system time reaches the time for reporting the data, the terminal equipment switches the working state of the terminal equipment to the working state when the data is reported, and sends the acquired data to the edge routing node; when monitoring that the system time does not belong to the time for collecting data and the time for reporting the data, the terminal equipment switches the working state of the terminal equipment to a dormant state; the application can reduce the power consumption of the battery of the terminal equipment and prolong the service life of the terminal equipment. However, the application mainly aims at the terminal equipment equipped with a battery, and the application does not relate to the problem of fuzzification of the operation frequency of the terminal equipment using commercial power.

Disclosure of Invention

1. Technical problem to be solved by the invention

The invention aims to solve the problem that equipment operation frequency is fuzzified, and waste is easily caused by excessive equipment purchase, and provides an equipment operation detection device and method based on the Internet of things.

2. Technical scheme

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

the equipment operation detection device based on the Internet of things comprises a multipurpose current detection system, a communication system and a main control system, wherein the multipurpose current detection system is arranged on a power line of detection equipment and is used for detecting the current flowing into the equipment in real time; the multipurpose current detection system is connected with the communication system, and the measured data are sent to the master control system through the communication system.

Furthermore, the current sensor in the multipurpose current detection system is arranged on a power line of the detection equipment and used for detecting the current flowing into the equipment in real time, and the secondary side of the current sensor is respectively connected with the input end and the ground end of the data processing unit; the data processing unit is connected with the wireless communication unit through a serial port and sends data to the master control system by using the wireless communication unit; the communication port of the embedded development board of the master control system is connected with the wireless communication unit, the data port of the embedded development board is connected with the display screen, and the power supply unit obtains electric energy from the power line to supply power to the data processing unit and the wireless communication unit when the equipment runs.

Furthermore, the current sensor adopts one of a current transformer circuit, a hall current sensor circuit or a shunt resistance circuit.

Furthermore, the current sensor adopts two or three of a current transformer circuit, a Hall current sensor circuit and a shunt resistance circuit, and selects a corresponding current detection mode by setting a selection button

Furthermore, the data processing unit comprises a rectifying circuit and a microcontroller minimum working unit, wherein the rectifying circuit comprises rectifying diodes D1, D2, D3 and D4, a filter capacitor C5, load resistors R4 and R7 and a voltage stabilizing diode D6; the secondary side of the current inductor is connected with the cathode of the diode D1 and the anode of the diode D2; the other end of the diode is connected with the cathode of the diode D4 and the anode of the diode D3; the anode of the diode D1 is connected with the anode of the diode D4, the cathode of the filter capacitor C5, one end of the resistor R7 and the anode of the voltage stabilizing diode D6; the cathode of the diode D2 is connected with the anode of the filter capacitor C5 and one end of the resistor R4; the other end of the resistor R4 is connected with the other end of the resistor R7; two ends of the resistor R7 are used as output ends to be connected with the measuring end of the single chip circuit, and the single chip circuit is connected with the wireless communication unit.

Furthermore, the resistor R7 is an adjustable resistor, the anode of the diode D1 is connected to a fixed end of the adjustable resistor R7, and the other end of the resistor R4 is connected to another fixed end of the adjustable resistor R7; the sliding end of the adjustable resistor R7 is connected with the cathode of the voltage stabilizing diode D6 and the measuring end of the single chip microcomputer circuit, the single chip microcomputer circuit is connected with the wireless communication unit, and the anode of the diode D6 is grounded.

The invention relates to an equipment operation detection method based on the Internet of things, which is characterized in that a current inductor is used for detecting the current flowing into detection equipment on a power line, the current is processed by a rectifying circuit and then transmitted to a single chip microcomputer for processing, and a wireless communication unit is used for sending data to a main control system for processing and recording, so that the use condition and the use frequency of the equipment are obtained; the coordinator of the main control equipment is used for carrying out unified management, and storing the data into the database, thereby realizing the intelligent management of the equipment.

Further, the corresponding current transformer detection mode, hall current sensor detection mode, and shunt resistance detection mode are selected by the buttons SW1, SW2, and SW 3.

Furthermore, the resistance value of the adjustable resistor R7 is adjusted to set a current threshold value, the current of the equipment is detected, and the service duration and the service frequency of the corresponding equipment are obtained and recorded, so that whether the equipment is frequently used or not and the condition of long-term operation are judged.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the invention has the following remarkable effects:

(1) according to the device operation detection device based on the Internet of things, the devices are comprehensively managed in a wireless communication and Web server construction mode, the devices are used as terminal nodes, data detected by the sensors are uploaded to a network in a wireless communication mode, unified management is performed through the coordinator of the main control device, and the data are stored in the database, so that intelligent management of the devices is achieved, the dependence on manual duplication is reduced, and unnecessary labor waste is avoided.

(2) According to the device operation detection device based on the Internet of things, the current of the device can be detected by setting the current threshold, and the use duration and the use frequency of the corresponding device are obtained and recorded, so that whether the device is frequently used or not and the device works for a long time are judged. The detection device further provides data basis for equipment management personnel whether the equipment of the model needs to be purchased again, avoids using a small number of times and even buying useless equipment again, solves the problem of fund waste of various industries and also solves the problem of equipment redundancy.

(3) According to the device operation detection device based on the Internet of things, the 3 circuits are arranged for detecting currents which are respectively the current transformer, the Hall current sensor and the shunt resistance circuit, different detection requirements can be met according to different characteristics of the device, and on the basis of solving the problem of fuzzification of the operation frequency of the device, whether the device is really in the operation state or not is quickly and accurately detected.

(4) According to the device operation detection device based on the Internet of things, the current inductor is arranged on the power line of the detection device, any adaptive transformation on the existing field circuit layout and the detection device of enterprises, colleges and universities and other units is basically not needed, the circuit structure is simple in design, the occupied volume is small, more cost is saved, and the practicability is higher.

Drawings

FIG. 1 is a schematic diagram showing the operation principle of the apparatus operation detection device of the present invention.

2-9 are schematic circuit diagrams of the device operation detection apparatus of the present invention, wherein FIG. 2 is a circuit diagram of a current transformer module; FIG. 3 is a circuit diagram of a Hall sensor module; FIG. 4 is a shunt resistor module circuit diagram; FIG. 5 is a signal shaping circuit diagram; FIG. 6 is a circuit diagram of a 5V power module; FIG. 7 is a circuit diagram of a 3V power module; FIG. 8 is a circuit diagram of an input power supply module; fig. 9 is a control circuit diagram.

Fig. 10 is a block diagram of the circuit structure of the present invention.

Detailed Description

For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

Example 1

With reference to fig. 1, the device for detecting operation of an internet of things device in this embodiment includes a multipurpose current detection system, a communication system, and a master control system. The multipurpose current detection system comprises a current sensor 1, a data processing unit 2, a wireless communication unit 3 and a power supply unit 4, wherein the current sensor 1 is arranged on a power line of detection equipment and used for detecting current flowing into the equipment in real time, and the secondary side of the current sensor is connected to the input end and the ground end of the data processing unit 2 respectively. The data processing unit 2 is connected with the wireless communication unit 3 through a serial port, and the data processing unit 2 sends the measured voltage value to the master control system by using the wireless communication unit 3. The communication port of the embedded development board 5 of the main control system is connected with the wireless communication unit 3, the data port of the embedded development board 5 is connected with the display screen 6, the power supply unit 4 obtains energy from a power line to supply power to the data processing unit 2 and the wireless communication unit 3 when the equipment runs, the function is stopped when the equipment does not work, and the power consumption of the whole system is reduced.

In this embodiment, the data processing unit 2 includes a rectifier circuit and a minimum working unit of a microcontroller. The wireless communication unit 3 transmits and receives data through the IEEE 802.15.4 communication protocol using the CC2530 module. Compared with other wireless communication modules, the module has the advantages of low power consumption, convenient networking and reliable communication, and reduces data errors caused by unstable communication. The embedded development board 5 takes kernel of Linux-4.1.15 version as a system kernel, transplants and builds a boa server and installs a MySQL software package on the basis of the kernel, and receives and processes the data received by the wireless communication unit 3.

The present embodiment performs integrated management of each device by means of wireless communication and construction of a Web server. Each device is used as a terminal node, data detected by the sensor is uploaded to the network in a wireless communication mode, unified management is carried out by the coordinator of the main control device, and the data is stored in the database, so that intelligent management of the devices is realized, dependence on manual duplication is reduced, and unnecessary labor waste is avoided.

The device operation detection device of the embodiment can detect the current flowing into the detection device through the current inductor 1 after being started, transmit the current to the single chip for processing after being processed by the rectifying circuit, and send data to the main control device for processing and recording by using the wireless communication unit 3, so that the use condition and the use frequency of the device are obtained. By utilizing wireless communication, the flexibility of the device is improved, and the limitation of space is weakened.

Example 2

In the device operation detection apparatus based on the internet of things of the present embodiment, the current inductor 1 in the multipurpose current detection system simultaneously adopts the current transformer, the hall current sensor and the shunt resistor circuit, the specific circuit is shown in fig. 2-4, the multipurpose current detection system is provided with SW1, SW2 and SW3 selection keys, and the multipurpose current detection system is provided with the SW1, SW2 and SW3 selection keys, so as to meet different detection requirements of different devices.

It is worth noting that with the continuous promotion of informatization construction of enterprises and universities, personal configuration equipment is continuously increased, for example, desk computers, printers and the like are gradually equipped, so that enterprises, universities and other units have more and more assets to be managed, and a remarkable characteristic is that the types of the charged equipment are more and more diverse, so that whether the equipment is really in an operating state or not is required to be quickly and accurately detected on the basis of solving the problem of fuzzification of the operating frequency of the equipment. For this reason, this embodiment has set up 3 kinds of circuit detection currents, is current transformer, hall current sensor and shunt resistance circuit respectively, can satisfy different detection demands according to the different characteristics of equipment.

On the other hand, the current sensor of this embodiment sets up on check out test set's power cord, so utilize the scheme that this embodiment provided, need not basically carry out any adaptability to current place circuit layout, check out test set of units such as enterprise, colleges and universities, although monitoring function is more perfect for current a lot, reform transform the scheme that requires height, more cost has been saved to this embodiment, and the practicality is stronger.

Example 3

The specific circuit design of the device operation detection apparatus based on the internet of things of the embodiment is shown in fig. 2-10, wherein the rectification circuit of the embodiment comprises rectifier diodes D1, D2, D3 and D4, a filter capacitor C5, load resistors R4 and R7, wherein R7 is an adjustable resistor, and a zener diode D6;

the secondary side of the current inductor 1 is connected with the cathode of the diode D1 and the anode of the diode D2; the other end of the diode is connected with the cathode of the diode D4 and the anode of the diode D3; the anode of the diode D1 is connected with the anode of the diode D4, the cathode of the filter capacitor C5, one fixed end of the adjustable resistor R7 and the anode of the voltage stabilizing diode D6; the cathode of the diode D2 is connected with the anode of the filter capacitor C5 and one end of the resistor R4; the other end of the resistor R4 is connected with the other fixed end of the adjustable resistor R7; the sliding end of the adjustable resistor R7 is connected with the cathode of the voltage stabilizing diode D6 and the measuring end of the single chip microcomputer circuit, and the single chip microcomputer circuit is connected with the wireless communication unit 3. The wireless communication unit 3 of the present embodiment is constituted by an ESP8266 module, and transmits and receives data through a corresponding instruction set.

The output end of the rectifying circuit of the embodiment is connected with two load resistors in parallel, wherein one load resistor is an adjustable resistor and is used for adjusting the range of input current. Therefore, the current threshold value can be set, the device current can be detected, and the service time and the service frequency of the corresponding device can be obtained and recorded, so that whether the device is frequently used or not and the long-term working condition of the device can be judged. The adjustable resistor sliding end and the grounding fixed end of the output end of the rectifying circuit are reversely connected with a voltage stabilizing diode in parallel, and the safety of the single chip microcomputer is guaranteed under the condition that current detection is met.

The embodiment further provides data basis for equipment management personnel whether the equipment with the model needs to be purchased again, avoids using the equipment with few times and even purchasing the equipment with useless times again, solves the problem of fund waste of various industries and also solves the problem of equipment redundancy.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.