CN215006924U - Wireless transmission's automatic data acquisition system of electric power - Google Patents

Wireless transmission's automatic data acquisition system of electric power Download PDF

Info

Publication number
CN215006924U
CN215006924U CN202121356690.6U CN202121356690U CN215006924U CN 215006924 U CN215006924 U CN 215006924U CN 202121356690 U CN202121356690 U CN 202121356690U CN 215006924 U CN215006924 U CN 215006924U
Authority
CN
China
Prior art keywords
module
circuit
serial port
power
failure detection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202121356690.6U
Other languages
Chinese (zh)
Inventor
陈时强
郭建勋
林美章
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuzhou Minjia Electric Technology Co ltd
Original Assignee
Fuzhou Minjia Electric Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fuzhou Minjia Electric Technology Co ltd filed Critical Fuzhou Minjia Electric Technology Co ltd
Priority to CN202121356690.6U priority Critical patent/CN215006924U/en
Application granted granted Critical
Publication of CN215006924U publication Critical patent/CN215006924U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/128—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol

Landscapes

  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

A wireless-transmission power automatic data acquisition system comprises a narrow-band Internet of things transceiving module, a serial port module, a CPU control module, a crystal oscillator module, a power failure detection circuit, a storage module, a signal indicator lamp module and a power supply module, wherein the CPU control module is also connected with the crystal oscillator module, the power failure detection circuit and the storage module; the crystal oscillator module is used for providing working frequency for the CPU, the storage module is used for storing serial port data received by the serial port module, the power failure detection circuit is used for detecting input voltage of the power supply module, the signal indicator lamp module is used for reflecting the working state of the system, the narrow-band internet of things transceiver module is connected with the serial port module, the serial port module is connected with the CPU control module, and the power supply module supplies power for each module. According to the scheme, the input and the processing of various data can be compatible, and meanwhile, the system can be subjected to power failure monitoring and protection through the power failure detection circuit, so that the data safety and the stability of system operation are improved.

Description

Wireless transmission's automatic data acquisition system of electric power
Technical Field
The utility model relates to the field of communication technology, especially, relate to a wireless transmission's automatic data acquisition system of electric power.
Background
The power distribution equipment is the vitality of each enterprise and is the core of life. The power grid is a large and complex system, and accurate and efficient acquisition capability for information of various assets such as lines, equipment and the like is required to be provided for ensuring safe, high-speed and effective operation of the power grid, so that reasonable distribution of each element resource of the system is achieved. NB-IoT network technologies have many advantages over traditional cellular communication technologies: strong coverage, large capacity, low cost, low power consumption, etc. Therefore, the research on the application of the NB-IoT network technology in the power industry is a necessary result after the Internet of things communication technology is developed to a certain stage, and the NB-IoT network technology is combined with the power service requirement, so that the NB-IoT network technology can better serve a power system to meet the requirements of services such as online full monitoring, power consumption metering, intelligent inspection and the like of a power transmission line.
To ensure safe, high-speed and effective operation of the power system, accurate and efficient acquisition capability of information of various assets such as lines, equipment and the like is required, and further, reasonable distribution of each element resource of the system is achieved. Although 2G/3G/4G/5G technology has been applied in power communication systems, for example: the 4G 5G technology also has coverage test points in many places, but with the explosive growth of communication points between objects in the power industry, the traditional cellular communication technology cannot meet the requirements of full acquisition and full coverage of power services. Compared with the traditional cellular communication technology, the narrowband internet of things technology has many advantages: strong coverage, large capacity, low cost, low power consumption, etc. Therefore, the research on the application of the narrow-band internet of things technology in the power industry is a necessary result after the internet of things communication technology is developed to a certain stage, and the narrow-band internet of things technology is combined with the power service requirement, so that the narrow-band internet of things technology can better serve a power system, and the requirements of services such as online full monitoring, power consumption metering, intelligent inspection and the like of a power transmission line are met.
Disclosure of Invention
Therefore, a wireless transmission power automatic data acquisition system capable of improving data security needs to be provided, so that the problem of data security transmission is solved.
In order to achieve the purpose, the inventor provides a wireless transmission power automatic data acquisition system, which comprises a narrow-band internet of things transceiver module, a serial port module, a CPU control module, a crystal oscillator module, a power failure detection circuit, a storage module, a signal indicator lamp module and a power supply module, wherein the CPU control module is also connected with the crystal oscillator module, the power failure detection circuit and the storage module; the crystal oscillator module is used for providing working frequency for the CPU, the storage module is used for storing serial port data received by the serial port module, the power failure detection circuit is used for detecting input voltage of the power supply module, the signal indicator lamp module is used for reflecting the working state of the system, the narrow-band internet of things transceiver module is connected with the serial port module, the serial port module is connected with the CPU control module, and the power supply module supplies power for each module.
Specifically, the CPU control module adopts an ARMv7-M architecture processor.
Further, the serial port module is used for accessing serial port data, and the serial port data includes one or more of audio data, video data, temperature sensor data, pressure sensor data, humidity sensor data and circuit sensor data.
Furthermore, the narrow-band internet of things transceiver module is connected with an external antenna or an onboard antenna.
Further, the power down detection circuit includes: the circuit comprises a capacitor circuit, a DC-DC boosting circuit, an LM393 comparator circuit and a DC-DC voltage reduction circuit. The four parts of circuits of the external circuit and the processor form a complete power failure detection and protection circuit; the power supply module is connected with the input end of the power failure detection circuit, the input end of the power failure detection circuit is also connected with the input end of the capacitor circuit, one end of the LM393 comparator circuit and one end of the DC-DC voltage reduction circuit, and the output end of the capacitor circuit is connected with one end of the DC-DC voltage boosting circuit; and finally, the other end of the DC-DC booster circuit, the other end of the LM393 comparator circuit and the other end of the DC-DC voltage reduction circuit are connected with the output end of the power failure detection circuit, the output end of the power failure detection circuit is also connected with the CPU control module, and the LM393 comparator circuit is also connected with the DC-DC booster circuit in an enabling mode.
Specifically, the signal indicator lamp module comprises a narrow-band Internet of things indicator lamp module, a serial port indicator lamp module and a power indicator lamp module.
Be different from prior art, the input and the processing of compatible multiple data of serial port module are passed through in the narrowband thing networking information acquisition system of above-mentioned technical scheme, can also carry out the power failure to the system through falling the detection circuitry simultaneously and monitor and protect, and then promote the stability of data security and system operation.
Drawings
Fig. 1 is a schematic block diagram of a wireless transmission power automation data acquisition system according to an embodiment.
Fig. 2 is a schematic structural diagram of a power down detection circuit according to an embodiment;
fig. 3 is a schematic timing diagram of a power down detection circuit according to an embodiment.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1, the following detailed description will be made on an embodiment of the present invention with reference to the accompanying drawings:
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.
Please refer to fig. 1, fig. 1 is a power automation data acquisition system of wireless transmission according to the present invention, the wireless transmission can be realized by a narrowband Internet of Things communication technology, and the narrowband Internet of Things (Narrow Band Internet of Things, NB-IoT) becomes an important branch of the Internet of everything. The NB-IoT is constructed in a cellular network, only consumes about 180kHz bandwidth, and can be directly deployed in a GSM network, a UMTS network or an LTE network so as to reduce the deployment cost and realize smooth upgrading.
NB-IoT is an emerging technology in the IoT domain that supports cellular data connectivity for low power devices over wide area networks, also known as Low Power Wide Area Networks (LPWANs). NB-IoT supports efficient connectivity for devices with long standby time and high requirements for network connectivity. NB-IoT device battery life can be improved by at least 10 years while still providing very comprehensive indoor cellular data connection coverage.
The utility model relates to a wireless transmission's automatic data acquisition system of electric power, including narrowband thing networking transceiver module, serial ports module, CPU control module, crystal oscillator module, power down detection circuitry, storage module, signal indicator lamp module and power module, CPU control module still with crystal oscillator module, power down detection circuitry, storage module connection; the crystal oscillator module is used for providing working frequency for the CPU, the storage module is used for storing serial port data received by the serial port module, the power failure detection circuit is used for detecting input voltage of the power supply module, the signal indicator lamp module is used for reflecting the working state of the system, the narrow-band internet of things transceiver module is connected with the serial port module, the serial port module is connected with the CPU control module, and the power supply module supplies power for each module. According to the scheme, the serial port module is designed to be compatible with input and processing of various data, and meanwhile, the system can be subjected to power failure monitoring and protection through the power failure detection circuit, so that the data safety and the stability of system operation are improved.
In a specific embodiment, the CPU control module adopts an ARMv7-M architecture processor. The processor can meet the design requirement of the system. In a further embodiment, the serial port module is configured to access serial port data, where the serial port data includes one or more of audio data, video data, temperature sensor data, pressure sensor data, humidity sensor data, and circuit sensor data. The data acquisition system can acquire multiple types of system operation data, and stable operation of the system is better guaranteed.
In order to increase the effective transmission distance of data, in a further embodiment, the narrowband internet of things transceiver module is connected with an external antenna or an onboard antenna.
In other specific embodiments, the signal indicator light module comprises a narrow-band internet of things indicator light module, a serial port indicator light module and a power indicator light module. The indicating lamp modules respectively correspond to the working states of different upper modules, and the design is used for reflecting the working states of the upper modules more intuitively.
In the embodiment shown in fig. 2, we can also see that the power down detection circuit includes: the circuit comprises a capacitor circuit, a DC-DC boosting circuit, an LM393 comparator circuit and a DC-DC voltage reduction circuit. The four parts of circuits of the external circuit and the processor form a complete power failure detection and protection circuit; the power supply module is connected with the input end of the power failure detection circuit, the input end of the power failure detection circuit is also connected with the input end of the capacitor circuit, one end of the LM393 comparator circuit and one end of the DC-DC voltage reduction circuit, and the output end of the capacitor circuit is connected with one end of the DC-DC voltage boosting circuit; and finally, the other end of the DC-DC booster circuit, the other end of the LM393 comparator circuit and the other end of the DC-DC voltage reduction circuit are connected with the output end of the power failure detection circuit, the output end of the power failure detection circuit is also connected with the CPU control module, and the LM393 comparator circuit is also connected with the DC-DC booster circuit in an enabling mode.
The utility model discloses theory of operation, at first connect narrowband thing networking radio frequency transceiver module with field terminal equipment and go up the electricity, serial port module transceiver module can transmit the signal of on-the-spot collection for CPU control module through serial port module, CPU control module handles and checks data, convert it into the network transmission signal by CPU control module's serial ports-ethernet conversion module, connect the narrowband thing networking through the net gape module, remote server passes through the data of narrowband thing networking collection terminal equipment, realize the real-time transmission of data. The speed of data transmission is improved, and the CPU control module can be set to be compatible with remote programming and debugging, so that the on-line serial programming and debugging of the CPU control module can be realized. Therefore, a bus is not required to be arranged on the site, and the remote upper computer software can carry out data acquisition analysis and remote control on the site terminal.
Power down detection circuit block diagram refers to fig. 2. In the embodiment shown in fig. 2, as a specific implementation part of the power down prevention module, the power down detection circuit includes four parts: the super capacitor circuit (including a triode switch circuit), the DC-DC booster circuit, the LM393 comparator circuit and the DC-DC step-down circuit. The four parts of the external circuit and the processor form a complete power failure detection and protection circuit. The power supply module is connected with the input end of the power failure detection circuit, the input end of the power failure detection circuit is also connected with the input end of the capacitor circuit, one end of the LM393 comparator circuit and one end of the DC-DC voltage reduction circuit, and the output end of the capacitor circuit is connected with one end of the DC-DC voltage boosting circuit; and finally, the other end of the DC-DC booster circuit, the other end of the LM393 comparator circuit and the other end of the DC-DC voltage reduction circuit are connected with the output end of the power failure detection circuit. The output end of the power failure detection circuit is further connected with the CPU control module, and the LM393 comparator circuit is further connected with the DC-DC booster circuit in an enabling mode.
In the embodiment shown in fig. 3, we further describe the operation timing of the power down detection circuit, and in this embodiment, we may specifically set the DC-DC boost circuit to be an MP1542 boost chip, and specifically set the DC-DC buck circuit to be an MP2315 buck chip. In the timing diagram shown in fig. 3, when the 5V power supply is powered, the 5V voltage drives the triode switch circuit to be turned on, the high level output of the LM393 comparator enables the MP1542 to boost and not work, and a charging environment that can only charge up is provided for the super capacitor (the voltage at two ends is 4V after the capacitor is full, and the time required for the capacitor to be full is Tc), and the common 4.2V power supply of the system is obtained by the MP2315 voltage reduction circuit at 5V.
As shown in fig. 3, at the time of Ta, when the system is powered off, the low level signal of the LM393 comparator enables the MP1542 circuit to provide a discharge loop for the super capacitor (the capacitor voltage has a time of 8-10S to be stabilized at 2.5-4V, and the lowest output voltage of MP1542 is 2.5V), the discharge and voltage stabilization time is Tb, and the voltage stabilization time is different according to the size of the capacitor, and in this embodiment, the voltage stabilization time can reach about 10S. The capacitor voltage is increased to 4.2V through the MP1452 circuit and used as a standby power supply of the processor, when the standby power supply is started, the LM393 comparator is also used for sending a low-level alarm signal to the control module, as shown in figure 2, the comparator can directly output the alarm signal to the processor when detecting power failure, and the processor can be used for immediately carrying out a series of emergency operations of saving data, closing a system and the like when detecting the signal. Through the process, the data security of the system is ensured.
It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the scope of the present invention.

Claims (6)

1. A wireless-transmission power automatic data acquisition system is characterized by comprising a narrow-band Internet of things transceiver module, a serial port module, a CPU control module, a crystal oscillator module, a power failure detection circuit, a storage module, a signal indicator lamp module and a power supply module, wherein the CPU control module is also connected with the crystal oscillator module, the power failure detection circuit and the storage module; the crystal oscillator module is used for providing working frequency for the CPU, the storage module is used for storing serial port data received by the serial port module, the power failure detection circuit is used for detecting input voltage of the power supply module, the signal indicator lamp module is used for reflecting the working state of the system, the narrow-band internet of things transceiver module is connected with the serial port module, the serial port module is connected with the CPU control module, and the power supply module supplies power for each module.
2. The system according to claim 1, wherein the CPU control module employs an ARMv7-M architecture processor.
3. The wireless transmission power automation data acquisition system of claim 1 wherein the serial port module is configured to access serial port data, the serial port data including one or more of audio data, video data, temperature sensor data, pressure sensor data, humidity sensor data, and circuit sensor data.
4. The wireless transmission power automation data acquisition system according to claim 1, wherein the narrowband internet of things transceiver module is connected with an external antenna or an onboard antenna.
5. The wirelessly transmitted power automation data acquisition system of claim 1 wherein the power down detection circuit comprises: the capacitor circuit, the DC-DC booster circuit, the LM393 comparator circuit, the DC-DC buck circuit, the external circuit and the processor form a complete power failure detection and protection circuit; the power supply module is connected with the input end of the power failure detection circuit, the input end of the power failure detection circuit is also connected with the input end of the capacitor circuit, one end of the LM393 comparator circuit and one end of the DC-DC voltage reduction circuit, and the output end of the capacitor circuit is connected with one end of the DC-DC voltage boosting circuit; and finally, the other end of the DC-DC booster circuit, the other end of the LM393 comparator circuit and the other end of the DC-DC voltage reduction circuit are connected with the output end of the power failure detection circuit, the output end of the power failure detection circuit is also connected with the CPU control module, and the LM393 comparator circuit is also connected with the DC-DC booster circuit in an enabling mode.
6. The wireless transmission power automation data acquisition system according to claim 1, wherein the signal indicator light module comprises a narrow-band internet of things indicator light module, a serial port indicator light module and a power indicator light module.
CN202121356690.6U 2021-06-18 2021-06-18 Wireless transmission's automatic data acquisition system of electric power Active CN215006924U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121356690.6U CN215006924U (en) 2021-06-18 2021-06-18 Wireless transmission's automatic data acquisition system of electric power

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121356690.6U CN215006924U (en) 2021-06-18 2021-06-18 Wireless transmission's automatic data acquisition system of electric power

Publications (1)

Publication Number Publication Date
CN215006924U true CN215006924U (en) 2021-12-03

Family

ID=79129114

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121356690.6U Active CN215006924U (en) 2021-06-18 2021-06-18 Wireless transmission's automatic data acquisition system of electric power

Country Status (1)

Country Link
CN (1) CN215006924U (en)

Similar Documents

Publication Publication Date Title
CN101281664B (en) Low-power consumption handhold RFID patrol apparatus as well as method for implementing low-power consumption
CN101984701B (en) Wireless network intelligent inspection tester
CN101762333B (en) High-voltage power line wireless temperature acquisition system
CN105656114A (en) Intelligent power supply apparatus, system and method thereof
CN109104760A (en) Car borne gateway controller and its operation mode conversion method and system of application
CN207518635U (en) Long-distance meter-reading system based on NB-IOT technologies
CN203590054U (en) Embedded series communication power supply system
CN205539277U (en) Transmission line arrester health condition on -line monitoring device
Meng et al. The terminal design of the energy self-sufficiency internet of things
CN215006924U (en) Wireless transmission's automatic data acquisition system of electric power
CN110166971A (en) Low-consumption wireless communication device and system applied to inspection shaft pipe network
CN201845233U (en) Internet-of-things data acquisition control instrument
CN206834835U (en) A kind of electrical equipment state monitoring apparatus and system
CN109604173A (en) A kind of airdrome luggage automatic transmission method based on electronic luggage board
CN110658410A (en) Electric energy quality monitoring device
CN110260943A (en) A kind of low power-consumption intelligent wireless remote transmission working method
CN206389388U (en) A kind of multifunctional safe gateway device based on low-power consumption wide area network
CN212963730U (en) NB-IOT temperature remote transmission module
CN103278841A (en) Low power consumption beta-ray wireless sensing monitoring device and system
CN211773905U (en) Low-power consumption simple and easy general type cable well lid monitoring devices
CN105245272A (en) Intelligent monitoring system integrated in markstone and working method thereof
CN106936216A (en) A kind of panorama monitors analysis process system on-line
CN210037965U (en) Wireless electricity meter
CN104880598A (en) Induced current monitor for cable sheath
CN204882681U (en) Cable sheath induced -current monitor

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant