CN214851317U - Multi-channel electrical fire monitoring device with network transmission - Google Patents
Multi-channel electrical fire monitoring device with network transmission Download PDFInfo
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- CN214851317U CN214851317U CN202121484360.5U CN202121484360U CN214851317U CN 214851317 U CN214851317 U CN 214851317U CN 202121484360 U CN202121484360 U CN 202121484360U CN 214851317 U CN214851317 U CN 214851317U
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Abstract
The utility model relates to a wisdom safety power consumption and thing networking field especially relate to a multichannel electric fire monitoring devices with network transmission. The device comprises a CPU chip part, a metering part, an analog quantity part, a man-machine interaction part, a control output part, an RS485 communication part, a remote transmission part, a power supply part and the like. This application is through the residual current to among the monitoring system and the real-time supervision to the temperature of binding post point, with monitoring information input to CPU chip part arithmetic processing, carries out electric fire and judges. And through the remote transmission part, utilize GPRS or thing networking card transmission, with the cloud platform information transmission of distal end, can give user or control center with monitoring information real-time transmission through the cloud platform, user or control center can realize through remote terminal to the remote supervision and control of monitoring environment, and is high-efficient convenient.
Description
Technical Field
The utility model relates to a wisdom safety power consumption and thing networking field especially relate to a multichannel electric fire monitoring devices with network transmission.
Background
The multi-channel electrical fire monitoring device is installed in a low-voltage distribution system and used for monitoring residual current in the system and monitoring the temperature of a wiring terminal point, and electrical fire is judged according to the two parameters. When the device monitors the data parameters, the parameters cannot be transmitted to the user in real time.
The utility model discloses multichannel electric fire monitoring devices with network transmission carries out data transmission with the cloud platform. The user can log in the cloud platform through a computer capable of surfing the internet or log in the cloud platform through a mobile phone capable of surfing the internet to analyze the power utilization condition of the current system. Therefore, data are transmitted in real time, a user can conveniently know the power utilization condition in real time, and the current system is controlled.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a temperature monitoring for residual current and to binding post point among the monitoring system can carry out teletransmission and control.
The utility model provides a following technical scheme:
a multi-channel electric fire monitoring device with network transmission is characterized by comprising
CPU chip part, used for processing and storing the received information, and sending control information;
the metering part is used for collecting residual current signals, performing analog-to-digital conversion and communicating with the CPU chip part;
the analog quantity part is used for acquiring temperature signals, and transmitting the temperature signals to the CPU chip part after processing;
the human-computer interaction part is communicated with the CPU chip part and is used for inputting and displaying information;
the control output part is connected with the CPU chip part and used for receiving the control information of the CPU chip part and controlling the output of the signal of the driving relay;
the RS485 communication part is in information interaction with the CPU chip part through a serial port interface;
the remote transmission part is communicated with the CPU chip part and is communicated with the cloud platform through the communication module;
and the power supply part is used for supplying power to the metering part, the analog quantity part, the RS485 communication part, the human-computer interaction part, the remote transmission part, the CPU chip part and the control output part.
Furthermore, the CPU chip part comprises a CPU module, a digital circuit module, a memory module, a data calculation module, an SPI bus interface, an analog I/O port, an output I/O port, a TTL serial interface, an SPI bus interface and a chip power management interface which are mutually connected with the external.
Furthermore, the metering part collects residual current in a voltage division sampling mode, collected parameters are converted into digital quantity through ADC analog quantity conversion, the converted digital quantity is placed in a data register, and then the digital quantity is communicated with the CPU chip part through a high-speed full-duplex synchronous communication SPI bus.
Furthermore, the analog quantity part collects temperature analog quantity in a voltage division type sampling mode, the temperature analog quantity passes through the analog quantity operational amplifier, and data are transmitted to the CPU chip part through the I/O.
Furthermore, the human-computer interaction part comprises an LCD dot matrix screen module which is communicated with the MCU through an SPI bus, and a key which is used for inputting signals through an I/O interface and a CPU chip.
Furthermore, the control output part is connected with the CPU chip part, and the CPU chip part drives the triode to drive the relay to output the switching value through the I/O port.
Furthermore, the remote transmission part is in information interaction with the CPU chip part through the serial port of the single chip microcomputer, and is in information interaction with the cloud platform through the GPRS module and/or the Internet of things card module.
Furthermore, the power supply part supplies power after voltage conversion through the voltage reduction and stabilization module.
The beneficial effect of this application:
through this application, install in low voltage distribution system at multichannel electric fire monitoring devices, through the residual current to among the monitoring system and the real-time supervision to the temperature of binding post point, with monitoring information input to CPU chip part arithmetic processing, carry out electric fire and judge. And through the remote transmission part, utilize GPRS or thing networking card transmission, with the cloud platform information transmission of distal end, can give user or control center with monitoring information real-time transmission through the cloud platform, user or control center can realize through remote terminal to the remote supervision and control of monitoring environment, and is high-efficient convenient.
Drawings
Fig. 1 is a schematic diagram of the present application.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
With reference to the attached drawings, the multi-channel electrical fire monitoring device with network transmission comprises
CPU chip part, used for processing and storing the received information, and sending control information;
the metering part is used for collecting residual current signals, performing analog-to-digital conversion and communicating with the CPU chip part;
the analog quantity part is used for acquiring temperature signals, and transmitting the temperature signals to the CPU chip part after processing;
the human-computer interaction part is communicated with the CPU chip part and is used for inputting and displaying information;
the control output part is connected with the CPU chip part and used for receiving the control information of the CPU chip part and controlling the output of the signal of the driving relay;
the RS485 communication part is in information interaction with the CPU chip part through a serial port interface;
the remote transmission part is communicated with the CPU chip part and is communicated with the cloud platform through the communication module;
and the power supply part is used for supplying power to the metering part, the analog quantity part, the RS485 communication part, the human-computer interaction part, the remote transmission part, the CPU chip part and the control output part.
Furthermore, the CPU chip part comprises a CPU module, a digital circuit module, a memory module, a data calculation module, an SPI bus interface, an analog I/O port, an output I/O port, a TTL serial interface, an SPI bus interface and a chip power management interface which are mutually connected with the external.
Furthermore, the metering part collects residual current in a voltage division sampling mode, collected parameters are converted into digital quantity through ADC analog quantity conversion, the converted digital quantity is placed in a data register, and then the digital quantity is communicated with the CPU chip part through a high-speed full-duplex synchronous communication SPI bus.
Furthermore, the analog quantity part collects temperature analog quantity in a voltage division type sampling mode, the temperature analog quantity passes through the analog quantity operational amplifier, and data are transmitted to the CPU chip part through the I/O.
Furthermore, the human-computer interaction part comprises an LCD dot matrix screen module which is communicated with the MCU through an SPI bus, and a key which is used for inputting signals through an I/O interface and a CPU chip.
Furthermore, the control output part is connected with the CPU chip part, and the CPU chip part drives the triode to drive the relay to output the switching value through the I/O port.
Furthermore, the remote transmission part is in information interaction with the CPU chip part through the serial port of the single chip microcomputer, and is in information interaction with the cloud platform through the GPRS module and/or the Internet of things card module.
Furthermore, the power supply part supplies power after voltage conversion through the voltage reduction and stabilization module.
According to the attached drawings, the utility model discloses inside respectively includes the measurement part of residual current, the analog quantity part of binding post point temperature monitoring, relay control output part, RS485 communication part, teletransmission part, human-computer interaction part, power supply part, CPU chip part.
A metering part: six residual currents are collected in a voltage division sampling mode, collected parameters are converted into digital quantity through 19-bit ADC analog quantity conversion, the converted digital quantity is placed in a data register, and then the digital quantity is communicated with a CPU chip through an SPI (high-speed full-duplex synchronous communication) bus.
Analog quantity acquisition: six temperature analog quantities are collected in a voltage division sampling mode, and data are transmitted to a CPU chip through an I/O (input/output) through an analog quantity operational amplifier (LM 358).
A control output section: the CPUI drives a triode (Q9013) through the I/O port, so that the switching value output of the relay is driven.
An RS485 communication part: the external 485 bus is converted into TTL (TTL level signal specification, wherein +5V is equivalent to logic 1, and 0V is equivalent to logic 0 (when binary system is adopted to represent data) level through a 485 chip (RS 485). The data communication and level specification mode is called TTL) level, and the information is communicated with the CPU chip through a serial port 2.
The remote transmission part: the method comprises the following steps that a serial port 1 of a single chip microcomputer, a GPRS module and an Internet of things card of China Mobile are adopted to carry out remote transmission to a cloud platform, the GPRS module is firstly linked with the cloud platform to be connected into a network, the platform sends a network access command to the GPRS module after the network is connected, the single chip microcomputer judges whether the module is connected into the network or not, if the module is not connected into the network, the single chip microcomputer continuously waits for the network access command returned by the GPRS module, after the network is judged to be connected, the single chip microcomputer packs an ID address of a device and sends the ID address to the GPRS module, and the module is sent to the cloud platform to be linked. After the link is established, the singlechip actively packs data in the data register and sends the data to the GPRS module in the form of heartbeat packets, and the module sends the data to the cloud platform through the mobile network. (local and remote transmission can be done simultaneously)
And a human-computer interaction part, namely a display part LCD dot matrix screen (128X 64) module is communicated with the MCU through an SPI bus, so that a human-computer interaction interface is realized. The keys realize man-machine exchange through simple keys, and the keys input signals with the CPU chip through the I/O interface. But also to touch screens.
A power supply section: 220V alternating current passes through the step-down steady voltage module and converts 220V voltage into stable direct current 5V power, and the 5V power supplies power for other parts (measurement part, analog component, optical coupling control relay output, optical coupling on-off input, RS485 communication part, display part). The 5V power supply regulates the voltage of the 5V power supply to 3.3V through the voltage regulation chip ASM1117-3.3V to supply power to the CPU chip.
A CPU chip section: the kernel part is divided into a CPU, a digital circuit, a memory and data calculation, and the kernel part also comprises an SPI bus interface, an analog I/O port, an output I/O port, a TTL serial interface 1, a TTL serial interface 2, an SPI bus interface and chip power management which are connected with other external parts for interaction.
Through this application, install in low voltage distribution system at multichannel electric fire monitoring devices, through the residual current to among the monitoring system and the real-time supervision to the temperature of binding post point, with monitoring information input to CPU chip part arithmetic processing, carry out electric fire and judge. And through the remote transmission part, utilize GPRS or thing networking card transmission, with the cloud platform information transmission of distal end, can give user or control center with monitoring information real-time transmission through the cloud platform, user or control center can realize through remote terminal to the remote supervision and control of monitoring environment, and is high-efficient convenient.
It will be apparent to those skilled in the art that while the embodiments of the present invention have been shown and described, there are no difficulties in implementing the functions and features described above, and it is to be understood that various changes, modifications, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (8)
1. The multi-channel electrical fire monitoring device with network transmission is characterized by comprising a CPU chip part, a data processing part and a data processing part, wherein the CPU chip part is used for processing and storing received information and sending control information;
the metering part is used for collecting residual current signals, performing analog-to-digital conversion and communicating with the CPU chip part;
the analog quantity part is used for acquiring temperature signals, and transmitting the temperature signals to the CPU chip part after processing;
the human-computer interaction part is communicated with the CPU chip part and is used for inputting and displaying information;
the control output part is connected with the CPU chip part and used for receiving the control information of the CPU chip part and controlling the output of the signal of the driving relay;
the RS485 communication part is in information interaction with the CPU chip part through a serial port interface;
the remote transmission part is communicated with the CPU chip part and is communicated with the cloud platform through the communication module;
and the power supply part is used for supplying power to the metering part, the analog quantity part, the RS485 communication part, the human-computer interaction part, the remote transmission part, the CPU chip part and the control output part.
2. The multiple-channel electrical fire monitoring device with network transmission of claim 1, wherein the CPU chip portion comprises a CPU module, a digital circuit module, a memory module, a data calculation module, and further comprises an SPI bus interface, an analog I/O port, an output I/O port, a TTL serial interface, an SPI bus interface, and a chip power management interface for interfacing with external connections.
3. The multiple-channel electrical fire monitoring device with network transmission according to claim 1, wherein the metering part collects residual current by a voltage division sampling mode, converts collected parameters into digital quantity by ADC analog quantity conversion, places the converted digital quantity in a data register, and communicates with the CPU chip part by a high-speed full-duplex synchronous communication SPI bus.
4. The multiple-path electrical fire monitoring device with network transmission according to claim 1, wherein the analog quantity part collects temperature analog quantity in a voltage division sampling mode, passes through the analog quantity operational amplifier, and transmits data to the CPU chip part through the I/O.
5. The electrical fire monitoring device with network transmission of claim 1, wherein the human-computer interaction portion comprises an LCD dot matrix screen module communicating with the MCU through an SPI bus, and further comprises a key for inputting signals with the CPU chip through an I/O interface.
6. The multiple electrical fire monitoring device with network transmission of claim 1, wherein the control output part is connected with the CPU chip part, and the CPU chip part drives the triode to drive the relay switching value output through the I/O port.
7. The multi-channel electrical fire monitoring device with network transmission according to claim 1, wherein the remote transmission part is in information interaction with the CPU chip part through a serial port of the single chip microcomputer, and is in information interaction with the cloud platform through a GPRS module and/or an Internet of things card module.
8. The multiple-path electrical fire monitoring device with network transmission according to claim 1, wherein the power supply part supplies power after voltage conversion through the voltage reduction and stabilization module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121484360.5U CN214851317U (en) | 2021-07-01 | 2021-07-01 | Multi-channel electrical fire monitoring device with network transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121484360.5U CN214851317U (en) | 2021-07-01 | 2021-07-01 | Multi-channel electrical fire monitoring device with network transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214851317U true CN214851317U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121484360.5U Active CN214851317U (en) | 2021-07-01 | 2021-07-01 | Multi-channel electrical fire monitoring device with network transmission |
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| Country | Link |
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| CN (1) | CN214851317U (en) |
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2021
- 2021-07-01 CN CN202121484360.5U patent/CN214851317U/en active Active
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