CN110021151A - A kind of communication power supply acquisition monitoring device based on Internet of Things - Google Patents

Abstract

The invention discloses a communication power acquisition and monitoring device based on the Internet of Things in the field of communication technology, comprising a first electrical appliance, a second electrical appliance, a relay control module, a central processing unit, a wireless communication module, an environmental parameter sensor, and a voltage detection module , current detection module and mains input module, use the input amplification unit, A/D conversion unit, waveform processing unit, CPU control unit and display unit to collect and display the voltage change curve, while the wireless communication unit transmits the voltage data to the mobile terminal, and then The bias filter, current collector and analog-to-digital converter are used for current collection, and the threshold value is set inside the data analyzer to compare with the collected data to determine whether it is safe, and to start and stop the alarm. The device can collect and monitor various voltage amplitudes. It combines monitoring and alarming with data acquisition, and has broad market application prospects.

Description

A communication power collection and monitoring device based on the Internet of Things

technical field

The invention relates to the technical field of communication, in particular to a communication power collection and monitoring device based on the Internet of Things.

Background technique

At present, in the operation of the power grid, the requirements for the quality of the communication signal are very high, which puts forward high requirements for the reliability and stability of the power communication system. The reliability and stability of the power communication system depend on the stability of the communication power supply system. Therefore, it is very important to effectively monitor the working state of the communication power supply. For example, CN201410342985.6 discloses a monitoring method and device for communication power supply. The monitoring method for communication power supply includes: acquiring a transmission signal in a network; judging whether the transmission signal is a synchronization loss alarm signal, wherein the synchronization loss alarm The signal is used to give an alarm when the communication power supply loses power; and if it is determined that the transmission signal is a synchronization loss alarm signal, it is determined that the communication power supply is lost. The solution solves the problem in the related art that only the working state of the communication power supply of the substation with the output voltage above a specific value can be monitored, and the scope of application is narrow. Based on this, the present invention designs a IoT-based A communication power collection and monitoring device is provided to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a communication power collection and monitoring device based on the Internet of Things, so as to solve the problem of the narrow application range of the existing monitoring device proposed in the above background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a communication power acquisition and monitoring device based on the Internet of Things, comprising a first electrical appliance, a second electrical appliance, a relay control module, a central processing unit, a wireless communication module, and an environmental parameter sensor , a voltage detection module, a current detection module and a commercial power input module, the central processing unit is connected with a relay control module, an environmental parameter sensor, a voltage detection module and a current detection module with a one-way signal, and the central processing unit is connected with a wireless signal in a two-way signal. a communication module, the voltage detection module and the current detection module are connected in series between the second electrical appliance and the commercial power input module through wires, and the relay control module is signal-connected to the first electrical appliance control terminal;

The voltage detection module includes an overvoltage sensor, a BNC input port, an input amplification unit, an A/D conversion unit, a waveform processing unit, a CPU control unit, a memory, a display unit and a wireless communication unit. , the input amplifying unit, the A/D conversion unit, the waveform processing unit and the CPU control unit are connected to the one-way signal in turn, the one-way signal of the waveform processing unit is connected to the memory, and the one-way signal of the CPU control unit is connected to the display unit and the wireless communication unit. ;

The current detection module includes a current sampler, a bias filter, a current collector, an analog-to-digital converter, a data analyzer and an alarm, the current sampler, the bias filter, the current collector, and the analog-to-digital converter. , data analyzer and alarm are connected with one-way signal in turn.

Further, the first electrical appliance and the second electrical appliance may be respectively but not limited to transformers, work indicator lights, maintenance-free batteries, and communication power loads.

Further, the environmental parameter sensor may be, but not limited to, a temperature sensor, a humidity sensor, a smoke sensor, and a video sensor.

Further, the overvoltage sensor is signal-connected to the BNC input port through a coaxial cable.

Further, the current sampler includes a plastic casing, an inductive coil and a resistor, the resistor is connected in parallel with the wires wound at both ends of the inductive coil, the iron core of the inductive coil is inserted through and fixed on the surface of the plastic casing, the The resistor is fixedly connected to the inner wall of the plastic casing, and the wires on both sides of the inductance coil run through the plastic casing.

Further, the alarm is any one of a voice alarm or a wireless alarm.

Compared with the prior art, the beneficial effects of the present invention are: the present invention is connected in series on the internal circuit of the communication power supply through an overvoltage sensor and a current sampler, and uses an input amplifying unit, an A/D conversion unit, a waveform processing unit, and a CPU control unit. The unit and the display unit collect and display the voltage change curve. At the same time, the wireless communication unit transmits the voltage data to the mobile terminal, and then uses the bias filter, the current collector and the analog-to-digital converter to collect the current. The data analyzer internally sets the threshold and the value. Collect data and compare, judge whether it is safe, and start and stop the alarm. The device can collect and monitor communication power supplies of various voltage amplitudes, and combine monitoring and alarming with data acquisition, which has a broad market application prospect.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is the system principle diagram of the present invention;

Figure 2 is a schematic diagram of the voltage detection module in Figure 1;

FIG. 3 is a schematic diagram of the current detection module in FIG. 1 .

In the accompanying drawings, the list of components represented by each number is as follows:

First electrical appliance 1, second electrical appliance 2, relay control module 3, central processing unit 4, wireless communication module 5, environmental parameter sensor 6, voltage detection module 7, current detection module 8, mains input module 9, overvoltage Sensor 70, BNC input port 71, input amplification unit 72, A/D conversion unit 73, waveform processing unit 74, CPU control unit 75, memory 76, display unit 77, wireless communication unit 78, current sampler 80, offset filter 81, current collector 82, analog-to-digital converter 83, data analyzer 84, alarm 85.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inside", " The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, so as to The specific orientation configuration and operation are therefore not to be construed as limitations of the present invention.

1-3, the present invention provides a technical solution: a communication power collection and monitoring device based on the Internet of Things, including a first electrical appliance 1, a second electrical appliance 2, a relay control module 3, a central processing unit 4, The wireless communication module 5, the environmental parameter sensor 6, the voltage detection module 7, the current detection module 8 and the mains input module 9, the central processing unit 4 is connected with the relay control module 3, the environmental parameter sensor 6, the voltage detection module 7 and the one-way signal connection to the central processing unit 4. The current detection module 8, the central processing unit 4 is connected with a wireless communication module 5 by a bidirectional signal, the voltage detection module 7 and the current detection module 8 are connected in series between the second electrical appliance 2 and the mains input module 9 through wires, and the relay control module 3 The signal is connected to the control terminal of the first electrical appliance 1;

The voltage detection module 7 includes an overvoltage sensor 70, a BNC input port 71, an input amplification unit 72, an A/D conversion unit 73, a waveform processing unit 74, a CPU control unit 75, a memory 76, a display unit 77 and a wireless communication unit 78. The voltage sensor 70, the BNC input port 71, the input amplifying unit 72, the A/D conversion unit 73, the waveform processing unit 74 and the CPU control unit 75 are connected to the one-way signal in turn, the waveform processing unit 74 is connected to the memory 76 by one-way signal, and the CPU control unit 75 One-way signal connection display unit 77 and wireless communication unit 78;

The current detection module 8 includes a current sampler 80, a bias filter 81, a current collector 82, an analog-to-digital converter 83, a data analyzer 84 and an alarm 85, a current sampler 80, a bias filter 81, a current collector 82, the analog-to-digital converter 83, the data analyzer 84 and the alarm 85 are connected with one-way signal in turn.

Wherein, the first electrical appliance 1 and the second electrical appliance 2 can be respectively but not limited to transformers, work indicator lights, maintenance-free batteries, and communication power loads, which directly control the on-off of electrical equipment inside the communication power supply and cut off the circuit.

The environmental parameter sensor 6 can be, but is not limited to, a temperature sensor, a humidity sensor, a smoke sensor, and a video sensor. These sensors are set inside the communication power supply cabinet for detection, and then transmitted to the mobile terminal through the wireless communication module 5 to facilitate timely maintenance and repair. maintain.

The overvoltage sensor 70 is signal-connected to the BNC input port 71 through a coaxial cable.

The current sampler 80 includes a plastic casing, an inductance coil and a resistor. The resistor is connected in parallel with the wires wound at both ends of the inductance coil. The iron core of the inductance coil is inserted and fixed on the surface of the plastic casing. The resistor is fixedly connected to the inner wall of the plastic casing. The wires on both sides of the coil run through the plastic casing, and the iron core is clamped on the energized wires to induce line current.

The alarm 85 is any one of a voice alarm or a wireless alarm, which is convenient for prompt reminder and remote monitoring.

A specific application of this embodiment is: through the environmental parameter sensor 6, the central processing unit 4 (the SP3232EEY type is selected) and the wireless communication module 5, the internal environmental parameters of the cabinet of the communication power supply are transmitted to the staff, time-controlled, and reused at the same time. The relay control module 3 drives the first electrical appliance 1, and the first electrical appliance 1 can be a cooling fan or an alarm device inside the cabinet of the communication power supply; the overvoltage sensor 70 and the current sampler 80 are connected in series on the internal circuit of the communication power supply, and use the input The amplification unit 72, the A/D conversion unit 73, the waveform processing unit 74, the CPU control unit 75 and the display unit 77 collect and display the voltage change curve, while the wireless communication unit 78 transmits the voltage data to the mobile terminal, and then uses the bias filter 81 , the current collector 82 and the analog-to-digital converter 83 conduct current collection, and the data analyzer 84 sets the internal threshold to compare with the collected data to determine whether it is safe, and to start and stop the alarm 85.

In the description of this specification, description with reference to the terms "one embodiment," "example," "specific example," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one aspect of the present invention. in one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-disclosed preferred embodiments of the present invention are provided only to help illustrate the present invention. The preferred embodiments do not exhaust all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the content of this specification. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is to be limited only by the claims and their full scope and equivalents.

Claims (6)

1. A communication power acquisition and monitoring device based on the Internet of Things, comprising a first electrical appliance (1), a second electrical appliance (2), a relay control module (3), a central processing unit (4), a wireless communication module (5) ), an environmental parameter sensor (6), a voltage detection module (7), a current detection module (8) and a commercial power input module (9), characterized in that: the central processing unit (4) is connected with a relay control for one-way signal a module (3), an environmental parameter sensor (6), a voltage detection module (7) and a current detection module (8), the central processing unit (4) is bidirectionally connected to a wireless communication module (5), and the voltage detection module (7) and the current detection module (8) are connected in series between the second electrical appliance (2) and the commercial power input module (9) through wires, and the relay control module (3) is signal-connected to the first electrical appliance (1) Control terminal; The voltage detection module (7) includes an overvoltage sensor (70), a BNC input port (71), an input amplification unit (72), an A/D conversion unit (73), a waveform processing unit (74), and a CPU control unit ( 75), memory (76), display unit (77) and wireless communication unit (78), the overvoltage sensor (70), BNC input port (71), input amplification unit (72), A/D conversion unit ( 73), the waveform processing unit (74) and the CPU control unit (75) are connected with one-way signals in turn, the waveform processing unit (74) is connected with the memory (76) by one-way signals, and the CPU control unit (75) is connected with one-way signals connecting the display unit (77) and the wireless communication unit (78); The current detection module (8) includes a current sampler (80), a bias filter (81), a current collector (82), an analog-to-digital converter (83), a data analyzer (84) and an alarm (85) ), the current sampler (80), the bias filter (81), the current collector (82), the analog-to-digital converter (83), the data analyzer (84) and the alarm (85) are unidirectional signals in sequence connect. 2. The device for collecting and monitoring communication power based on the Internet of Things according to claim 1, characterized in that: the first electrical appliance (1) and the second electrical appliance (2) can be respectively but not limited to transformers, Work indicator light, maintenance-free battery, communication power load. 3. A communication power acquisition and monitoring device based on the Internet of Things according to claim 1, characterized in that: the environmental parameter sensor (6) can be but not limited to a temperature sensor, a humidity sensor, a smoke sensor, and a video sensor. The device for collecting and monitoring communication power supply based on the Internet of Things according to claim 1, wherein the overvoltage sensor (70) is signally connected to the BNC input port (71) through a coaxial cable. 5 . The device for collecting and monitoring communication power supply based on the Internet of Things according to claim 1 , wherein the current sampler ( 80 ) comprises a plastic casing, an inductive coil and a resistor, and the resistor is connected in parallel with the inductive coil 5 . The two ends of the inductance coil are wound on wires, the iron core of the inductance coil is inserted and fixed on the surface of the plastic casing, the resistor is fixedly connected to the inner wall of the plastic casing, and the wires on both sides of the inductance coil run through the plastic casing. 6 . The device for collecting and monitoring communication power based on the Internet of Things according to claim 1 , wherein the alarm device ( 85 ) is any one of a voice alarm device or a wireless alarm device. 7 .