CN210840061U

CN210840061U - Intelligent monitoring terminal based on short message

Info

Publication number: CN210840061U
Application number: CN201922231634.9U
Authority: CN
Inventors: 燕永振; 刘立广; 张校玮
Original assignee: Weihai Ruien Electronic Co ltd
Current assignee: Weihai Ruien Electronic Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-06-23
Anticipated expiration: 2029-12-13

Abstract

The utility model provides an intelligent monitoring terminal based on SMS, it has solved the problem, and it includes processor unit, data acquisition unit, control output unit, serial ports communication unit, SMS sending unit, power module, and the processor unit is connected with data acquisition unit, control output unit, serial ports communication unit, SMS sending unit, power module electricity respectively, the utility model discloses can extensively be used for intelligent monitoring terminal technical field.

Description

Intelligent monitoring terminal based on short message

Technical Field

The utility model belongs to the technical field of intelligent monitoring terminal technique and specifically relates to an intelligent monitoring terminal based on SMS is related to.

Background

With the development of communication technology and network technology, it is becoming more and more common to install monitoring devices in various public places (e.g., shopping malls, supermarkets, banks, etc.) for security purposes, and to perform remote monitoring via networks, and since more and more devices are in an unattended state, it is necessary to monitor the operating state of the devices via monitoring terminals.

Traditional monitor terminal installs collection equipment additional in equipment department usually, transmits background server after gathering data with collection equipment, and data processing is carried out after background server receives equipment information, returns to the front end and supplies the user to look over again, and this kind of mode not only will install collection equipment additional, still need build server backstage and user terminal, has increased the implementation degree of difficulty, and the cost is higher.

Disclosure of Invention

The utility model discloses just implement difficulty and the higher technical problem of cost to current monitor terminal, provide an implement simple and the lower intelligent monitor terminal based on SMS of cost.

Therefore, the utility model discloses a processor unit, data acquisition unit, control output unit, serial communication unit, SMS sending unit, power module, the processor unit is connected with data acquisition unit, control output unit, serial communication unit, SMS sending unit, power module electricity respectively.

Preferably, the data acquisition unit adopts a photoelectric coupling device to realize the isolation of the input signal.

Preferably, the front end of the photoelectric coupling device is connected with a piezoresistor in series.

Preferably, the control output unit adopts a relay module, and outputs to perform switching control.

Preferably, the processor unit adopts an ARM core processor as a main control chip.

Preferably, the serial communication unit adopts an RS232 serial port to realize the communication between the monitoring terminal and the outside.

Preferably, the power module includes a lithium battery, and the lithium battery is charged through the charge control chip.

Preferably, the power module adopts a voltage reduction chip to respectively supply power to the processor unit and the short message sending unit.

The utility model realizes the data acquisition and monitoring of the equipment through the organic combination of each unit module, and interacts with the related personnel through the telecommunication network, thus simply and conveniently realizing the requirement of equipment monitoring; the terminal of this scheme design, save middle server processing link, also need not the user and install front end demonstration APP, directly inform the user equipment state through the SMS, the user also can listen to the operation that sends the SMS and come controlgear, practical convenient.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a circuit diagram of a power module;

FIG. 3 is a circuit diagram of a data acquisition unit;

FIG. 4 is a circuit diagram of a control output unit;

FIG. 5 is a circuit diagram of a short message sending unit;

fig. 6 is a circuit connection diagram of the serial communication unit.

Detailed Description

The following describes in detail embodiments of the present invention with reference to the drawings.

As shown in figure 1, the utility model discloses a processor unit, data acquisition unit, control output unit, serial communication unit, SMS sending unit, power module, the processor unit is connected with data acquisition unit, control output unit, serial communication unit, SMS sending unit, power module electricity respectively.

The processor unit is used as a control unit of the intelligent monitoring terminal, an STM32 series ARM core processor is used as a main control chip, the main frequency is up to 72M, and signals can be received from the data acquisition unit in real time; the device is communicated with the short message sending unit through a serial port, short message data for alarming and controlling are transmitted in real time, a hardware watchdog chip is externally arranged to realize stable operation of the device, and a storage chip is externally arranged to store the short message data and the number.

As shown in fig. 2, the power module rectifies and converts 220V ac voltage into 5V dc voltage to supply power to the whole system, converts 5V voltage into 3.3V voltage to supply power to the processor unit through the voltage-reducing chip, and converts 5V voltage into 4.1V voltage to supply power to the short message sending unit through the voltage-reducing chip; the power module comprises a lithium battery, the lithium battery is charged through the charging control chip, and the switching circuit seamlessly switches the lithium battery to the system for power supply when the alternating current is lost.

As shown in fig. 3, the data acquisition unit employs a photoelectric coupling device P127 to realize acquisition and isolation of input signals, and transmit the signals to the processor unit, the field input signals are connected in series with the piezoresistor and then are connected to the photoelectric coupling device, when there is a signal on the field, the input end of the photoelectric coupling is conducted to emit light, the light is coupled to the secondary output end through the light signal, the output end outputs a low level signal to the processor unit, when the field signal is powered off, the input end of the photoelectric coupling has no current, no light signal is emitted, and the secondary outputs a high level signal to the processor unit, so as to realize acquisition of the signals.

As shown in fig. 4, the control output unit adopts a 4.2V relay module, and outputs a control signal for switching on and off control, and the relay module relays a control signal of a contact external device of an electrical appliance to control the operation state of the device; the signal from the processor unit controls the triode to realize the control of the on-off of the relay coil, thereby controlling the on-off of the relay and further controlling the operation of the equipment.

As shown in fig. 5, the short message sending unit uses a remote M35 communication module to send and receive short messages, the processor unit sends an AT command to the short message sending unit to send short message data, receives short messages sent by related persons, forwards the short messages to the processor unit to perform corresponding processing, and directly notifies the user equipment state through short messages and controls the equipment state.

As shown in fig. 6, the serial port communication unit uses an RS232 serial port to realize communication between the monitor terminal and the outside, the MAX3232 chip is used to convert the TTL level signal of the processor unit into a 232 level signal, the field debugger can communicate with the terminal device through the RS232 serial port to set parameters, and the field device can communicate with the terminal device through the serial port to transmit device data.

The utility model discloses a send SMS controlgear's operation and acquire equipment running state, to most personnel can both convenient and fast's the purpose that reaches equipment monitoring, especially lay the convenience to the place far away, that the environment is abominable, the topography is complicated, this device embeds the lithium cell, can move after the electricity and guarantee more than half an hour that equipment state reports to the police complete sending relevant personnel through the SMS.

However, the above description is only an embodiment of the present invention, and the scope of the present invention should not be limited thereto, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.

Claims

1. The intelligent monitoring terminal based on the short message is characterized by comprising a processor unit, a data acquisition unit, a control output unit, a serial communication unit, a short message sending unit and a power module, wherein the processor unit is electrically connected with the data acquisition unit, the control output unit, the serial communication unit, the short message sending unit and the power module respectively.

2. The intelligent monitoring terminal based on short messages of claim 1, wherein the data acquisition unit adopts a photoelectric coupler to realize the isolation of input signals.

3. The intelligent monitoring terminal based on short messages of claim 2, wherein the front end of the photoelectric coupler is connected with a voltage dependent resistor in series.

4. The intelligent monitoring terminal based on short messages according to claim 1, wherein the control output unit adopts a relay module, and outputs to perform switching control.

5. The intelligent monitoring terminal based on short messages as claimed in claim 1, wherein the processor unit adopts an ARM core processor as a main control chip.

6. The intelligent monitoring terminal based on short messages as claimed in claim 1, wherein the serial port communication unit adopts RS232 serial port to realize the communication between the monitoring terminal and the outside.

7. The intelligent monitoring terminal based on short messages as claimed in claim 1, wherein the power module comprises a lithium battery, and the lithium battery is charged through the charging control chip.

8. The intelligent monitoring terminal based on short messages as claimed in claim 1, wherein the power module employs a voltage reduction chip to supply power to the processor unit and the short message sending unit respectively.