CN210402687U - Ubiquitous Internet of things intelligent terminal acquisition system based on wireless transmission technology - Google Patents
Ubiquitous Internet of things intelligent terminal acquisition system based on wireless transmission technology Download PDFInfo
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- CN210402687U CN210402687U CN201921393353.7U CN201921393353U CN210402687U CN 210402687 U CN210402687 U CN 210402687U CN 201921393353 U CN201921393353 U CN 201921393353U CN 210402687 U CN210402687 U CN 210402687U
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Abstract
The utility model discloses a ubiquitous thing networking intelligent terminal collection system based on wireless transmission technology, including data concentrator and at least one intelligent acquisition terminal, reasonable distribution intelligent acquisition terminal and data concentrator working range, simple, reliable realization the data acquisition function of distribution station district, reduced the interference to thoroughly solved on-the-spot communication and supply cable construction work load big, walk line difficulty, the complicated scheduling problem of collector installation.
Description
Technical Field
The utility model relates to a wireless transmission technology field especially relates to a ubiquitous thing networking intelligent terminal collection system based on wireless transmission technology.
Background
At present, in the electric power acquisition device used in the field of intelligent power distribution, the voltage, the current, the power supply and the temperature acquisition of the electric power acquisition device are almost all connected with acquisition points by adopting wires, so that the line is disordered, the construction is difficult, and the condition is more serious under the condition of multi-branch acquisition. In addition, in the aspect of communication, the communication connection with a remote SCADA system, a DCS system or a BA system is realized through a twisted pair or a shielded wire, so that the complexity of an acquisition line is increased. Adopt the wired connection form between this kind of electric power collection system not only to cause the inside wiring of cubical switchboard chaotic, when meetting the condition such as collection system communication line wiring not hard up moreover, can't find the communication problem point fast, cause the unable timely, high-efficient scheduling problem of solving of communication problem. The field of the power distribution room has high annual operation temperature, and the problems of communication line aging, poor contact of communication terminals and other interferences of the power acquisition device and the like exist in long-term operation, so that communication is unstable or communication faults are caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a ubiquitous thing networking intelligent terminal collection system based on wireless transmission technology. According to the method and the device, the working ranges of the intelligent acquisition terminal and the data collector are reasonably distributed, the data acquisition function of a power distribution station area is simply and reliably realized, the interference is reduced, and the problems of large workload, difficulty in wiring, complex installation of the collector and the like of field communication and power supply cable construction are thoroughly solved.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a ubiquitous thing networking intelligent terminal collection system based on wireless transmission technology, includes data aggregator and at least one intelligent acquisition terminal, wherein:
the intelligent acquisition terminal comprises a current transformer, a voltage self-power-taking device, an electric energy acquisition device, a power conversion device, a temperature acquisition device, a first wireless communication device, a first RS485 device and a first control chip, wherein the electric energy acquisition device is respectively connected with the current transformer and the voltage self-power-taking device, the first control chip is respectively connected with the electric energy acquisition device, the temperature acquisition device, the first wireless communication device and the first RS485 device, the voltage self-power-taking device is connected with the power conversion device, and the power conversion device is connected with the power conversion device, wherein:
the current transformer is used for acquiring current information data and sending the current information data to the electric energy acquisition device;
the voltage self-power-taking device is used for acquiring voltage information data, transmitting the voltage information data to the electric energy acquisition device and supplying power to the power conversion device;
the electric energy acquisition device is used for receiving the information sent by the current transformer and the voltage self-acquisition device and metering voltage information data, current information data and electric energy information data of electric equipment;
the power supply conversion device is used for voltage conversion and providing power supply for the intelligent acquisition terminal and the data collector;
the temperature acquisition device is used for acquiring temperature information data of the cable and sending the temperature information data to the first control chip;
the first wireless communication device is used for establishing wireless communication between the intelligent acquisition terminal and the data concentrator;
the first RS485 device is used for the communication between the intelligent acquisition terminal and the data collector;
the first control chip is used for reading the voltage information data, the current information data and the electric energy information data sent by the electric energy acquisition device, reading the temperature information data of the cable sent by the temperature acquisition device, and analyzing and processing the read information data;
the data collector comprises a GPRS device, a third RS485 device, a second control chip, a wireless transparent transmission device, a second wireless communication device and a second RS485 device, wherein the second control chip is respectively connected with the GPRS device, the third RS485 device, the second wireless communication device and the second RS485 device, and the data collector comprises:
the GPRS device is connected with the cloud data platform and used for uploading data to the cloud data platform;
the third RS485 device is connected with the external display equipment and used for transmitting data to the external display equipment;
the second control chip is used for reading the voltage information data, the current information data, the electric energy information data and the temperature information data which are acquired by the intelligent acquisition terminal and analyzing and processing the read information data;
the second wireless communication device is used for establishing wireless communication between the data concentrator and the intelligent acquisition terminal;
and the second RS485 device is used for the data collector to communicate with the intelligent acquisition terminal.
Preferably, the wireless data concentrator further comprises a wireless transparent transmission device, wherein the wireless transparent transmission device is connected with the second control chip and used for establishing wireless communication between the data concentrator and the power communication manager.
Preferably, the first wireless communication device is connected with the first control chip through serial port or SPI communication, and the first RS485 device is connected with the first control chip through a serial port.
Preferably, the second wireless communication device is connected with the second control chip through serial port or SPI communication, the second RS485 device and the third RS485 device are connected with the second control chip through serial ports, and the wireless transparent transmission device is connected with the second control chip through serial ports.
Preferably, the voltage self-powered device is replaced by a current induction powered device.
Preferably, the current transformer is an open type current transformer.
Preferably, the open type current transformer is provided with a lock catch, and the lock catch is used for fixing the open type current transformer.
Preferably, be provided with from getting the electric contact pin on the current transformer, from getting the electric contact pin and being spiral structure.
Preferably, the first wireless communication device comprises a wireless LORA device, a wireless WIFI device or a wireless ZigBee device.
Preferably, the second wireless communication device comprises a wireless LORA device, a wireless WIFI device or a wireless ZigBee device.
Based on the technical scheme, the beneficial effects of the utility model are that: in a ubiquitous Internet of things intelligent terminal acquisition system based on a wireless transmission technology, an intelligent acquisition terminal and a data aggregator transmit data in a wireless communication mode; the transmission and control devices in the intelligent acquisition terminal are embedded on the current transformer, so that the transmission distance of the traditional analog signal is shortened, the interference is reduced, the problems of large workload, difficult wiring, complex installation of the collector and the like in field communication and power supply cable construction are thoroughly solved, the working range of the acquisition terminal and the data collector is reasonably distributed, and the data acquisition function of a power distribution station area is simply and reliably realized.
Drawings
FIG. 1: the utility model relates to a structure schematic diagram of a ubiquitous Internet of things intelligent terminal acquisition system based on a wireless transmission technology;
FIG. 2: the utility model discloses an intelligent acquisition terminal internal composition and function description schematic diagram;
FIG. 3: the utility model discloses a structure diagram of a middle intelligent acquisition terminal;
FIG. 4: the internal structure and the function description schematic diagram of the data collector in the utility model are shown;
FIG. 5: the utility model discloses a data collector structure sketch map;
wherein: 1. a first control chip; 2. a second control chip; 3. a current transformer; 4. an electric energy collection device; 5. a voltage self-powered device; 6. a current induction power taking device; 7. a temperature acquisition device; 8. a power conversion device; 9. a first RS485 device; 10. a first wireless communication device; 11. a GPRS device; 12. a wireless transparent transmission device; 13. a second RS485 device; 14. a second wireless communication device; 15. and a third RS485 device.
Detailed Description
The technical solution 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.
Example one
As shown in fig. 1 to 5, the utility model relates to a ubiquitous thing networking intelligent terminal collection system based on wireless transmission technology, this system comprises a plurality of intelligent acquisition terminals and a data collector. The intelligent acquisition terminal mainly acquires data such as voltage, current and electric energy of the power equipment; the data collector collects all the intelligent acquisition terminal data and uploads the data to the cloud; the data aggregator and the intelligent acquisition terminal are transmitted by the first wireless communication device and the second communication device, and the data aggregator and the intelligent acquisition terminal have the characteristics of long transmission distance and stable transmission data. The wireless transmission technology is adopted to thoroughly solve the problems of large workload, difficult wiring, complex installation of the collector and the like of site communication and power supply cable construction, reasonably distribute the working range of the acquisition terminal and the data collector, and simply and reliably realize the data acquisition function of the distribution station area.
Intelligent acquisition terminal includes in this system: the system comprises a current transformer 3, a voltage self-power-taking device 5, a power supply conversion device 8, a temperature acquisition device 7 (the present embodiment adopts the combination of a temperature sensor and a power-taking sheet, both adopt the existing structures, and the structural connection and the function realization thereof are all mature technologies in the field, and are not detailed here), an electric energy acquisition device 4, a first control chip 1, a first wireless communication device 10 and a first RS485 device 9; the data aggregator in the system comprises: the wireless communication device comprises a second wireless communication device 14, a GPRS device 11, a second RS485 device 13, a third RS485 device 15, a wireless transparent transmission device 12, a second control chip 2 and a power interface. It should be understood that the terms "first", "second", and … …, as used herein, are used for distinguishing and not limiting.
The voltage self-power-taking device 5, the first control chip 1, the first wireless communication device 10, the electric energy acquisition device 4, the temperature acquisition device 7, the first RS485 device 9 and the power conversion device 8 in the intelligent acquisition terminal are integrated and installed in the current transformer 3, and are distributed in a partitioning mode according to functions. Wherein, the first control chip 1 adopts STM32 series chip; the first wireless communication device 10 employs SX1278 series; the first RS485 device 9 uses the admum 2483 series; the electric energy acquisition device 4 adopts HT7036 series chips; the temperature acquisition device 7 adopts an NTC temperature sensor or a PT100 temperature sensor.
The current transformer 3 adopts an open type current transformer; the upper opening of the open type current transformer 3 is provided with a lock catch which can fix the transformer well. In addition, a puncture type self-electricity-taking contact pin is embedded in the current transformer 3, the self-electricity-taking contact pin is of a spiral structure, can be contracted according to the radius of the cable and is inserted into the cable, and electricity taking is convenient and reliable; the intelligent acquisition terminal has an electric energy data acquisition function, an RS485 communication function and a wireless transmission function (a wireless LORA transmission function, a wireless WIFI transmission function, a wireless ZigBee transmission function and the like); in addition, a power supply interface is provided for the outside, and a power supply can be provided for the data concentrator.
The current transformer 3 collects current signals, the voltage self-acquisition device 5 collects voltage signals, the current transformer and the voltage self-acquisition device respectively input the current acquisition signals and the voltage acquisition signals into the electric energy acquisition device 4, and the electric energy acquisition device 4 calculates data such as voltage, current, electric energy information and the like; the first control chip 1 reads data information of the electric energy acquisition device 4 through SPI communication; the temperature acquisition device 7 acquires a temperature signal, the temperature signal is input into the first control chip 1 through the AD sampling port of the first control chip, and the first control chip 1 calculates corresponding temperature data; the first control chip 1 and the first RS485 device 9 adopt a serial port communication mode; the first control chip 1 and the first wireless communication device 10 adopt a serial port communication or SPI communication mode; the power supply conversion device 8 supplies power in two modes, wherein one mode is to supply power to the power supply conversion device 8 after phase voltage is obtained from the voltage self-power-taking device 5; in another mode, a current induction power taking mode is adopted, and after voltage is obtained from the current induction power taking device 6, power is supplied to the power conversion device 8; the power supply conversion device 8 converts the input voltage into DC3.3V or DC5V voltage, so that power supply of each device in the intelligent acquisition terminal is met; in addition, an external power interface is provided, and power can be supplied to the data collector.
The data collector is mainly used for collecting data collected by all intelligent collection terminals in the system and uploading all the data to the cloud data platform; the data collector has an RS485 communication function, a wireless LORA transmission function and a GPRS function; the power supply interface of the data concentrator is directly connected with the reserved output power interface; the second control chip 2 of the data aggregator and the second wireless communication device 14 adopt a serial port communication or SPI communication mode, and the data aggregator can realize wireless transmission with a plurality of intelligent acquisition terminals through the second wireless communication device 14; the second control chip 2 and the second RS485 device 13 adopt a serial port communication mode, and the data collector can also communicate with a plurality of intelligent acquisition terminals through the second RS485 device 13; the second control chip 2 and the third RS485 device 15 are connected with a display terminal such as a touch screen or a display in a serial port communication mode; the second control chip 2 and the GPRS device 11 adopt a serial port communication or SPI communication mode, the data collector can upload data to a cloud data platform through the GPRS device 11, and a communication protocol adopts a standard IEC60870-5-104-TCP protocol; the second control chip 2 and the wireless transparent transmission device 13 adopt a serial port communication mode, the data collector can upload data to a higher-level data collecting system such as an electric power communication manager through the wireless transparent transmission device 13 to form a larger data collecting system, a standard Modbus communication protocol is adopted as the communication protocol, the electric power communication manager collects various monitored information, processes the information, and uploads the information to a main station according to background requirements, so that the electric power communication manager becomes an intermediate layer of automatic management and achieves the purpose of control management.
Further, the second control chip 2 in this embodiment is an STM32 series chip; the second wireless communication device 14 is of the SX1278 series; the second RS485 device 13 and the third RS485 device 15 both adopt ADUM2483 series; the GPRS device adopts WH-LTE-7S4V2 series, and the wireless transparent transmission device adopts E32-TTL-1W series.
The data concentrator can be connected with a plurality of intelligent acquisition terminals, the connection modes include two connection modes, one is a wireless communication mode, the first wireless communication device and the second wireless communication device respectively comprise a wireless LORA device, a wireless WIFI device or a wireless ZigBee device, and the other mode is an RS485 communication mode; the wireless LORA communication adopts a standard LORA communication protocol, and the RS485 communication adopts a standard Modbus communication protocol; the wireless communication mode can reduce the field installation difficulty, and the communication distance is longer, and the communication connection is more reliable.
The data collector can also be embedded with any intelligent acquisition terminal back to back.
It is only to do the utility model discloses a ubiquitous thing networking intelligent terminal collection system's preferred embodiment based on wireless transmission technique not therefore the restriction the utility model discloses a patent range all utilizes the utility model discloses equivalent structure or equivalent flow transform that the specification content was done, or direct or indirect application are in other relevant technical field, all the same reason is included the utility model discloses a patent protection within range.
Claims (10)
1. The utility model provides a ubiquitous thing networking intelligent terminal collection system based on wireless transmission technology which characterized in that, includes data aggregator and at least one intelligent acquisition terminal, wherein:
the intelligent acquisition terminal comprises a current transformer, a voltage self-power-taking device, an electric energy acquisition device, a power conversion device, a temperature acquisition device, a first wireless communication device, a first RS485 device and a first control chip, wherein the electric energy acquisition device is respectively connected with the current transformer and the voltage self-power-taking device, the first control chip is respectively connected with the electric energy acquisition device, the temperature acquisition device, the first wireless communication device and the first RS485 device, the voltage self-power-taking device is connected with the power conversion device, and the power conversion device is connected with the power conversion device, wherein:
the current transformer is used for acquiring current information data and sending the current information data to the electric energy acquisition device;
the voltage self-power-taking device is used for acquiring voltage information data, transmitting the voltage information data to the electric energy acquisition device and supplying power to the power conversion device;
the electric energy acquisition device is used for receiving the information sent by the current transformer and the voltage self-acquisition device and metering voltage information data, current information data and electric energy information data of electric equipment;
the power supply conversion device is used for voltage conversion and providing power supply for the intelligent acquisition terminal and the data collector;
the temperature acquisition device is used for acquiring temperature information data of the cable and sending the temperature information data to the first control chip;
the first wireless communication device is used for establishing wireless communication between the intelligent acquisition terminal and the data concentrator;
the first RS485 device is used for the communication between the intelligent acquisition terminal and the data collector;
the first control chip is used for reading the voltage information data, the current information data and the electric energy information data sent by the electric energy acquisition device, reading the temperature information data of the cable sent by the temperature acquisition device, and analyzing and processing the read information data;
the data collector comprises a GPRS device, a third RS485 device, a second control chip, a wireless transparent transmission device, a second wireless communication device and a second RS485 device, wherein the second control chip is respectively connected with the GPRS device, the third RS485 device, the second wireless communication device and the second RS485 device, and the data collector comprises:
the GPRS device is connected with the cloud data platform and used for uploading data to the cloud data platform;
the third RS485 device is connected with the external display equipment and used for transmitting data to the external display equipment;
the second control chip is used for reading the voltage information data, the current information data, the electric energy information data and the temperature information data which are acquired by the intelligent acquisition terminal and analyzing and processing the read information data;
the second wireless communication device is used for establishing wireless communication between the data concentrator and the intelligent acquisition terminal;
and the second RS485 device is used for the data collector to communicate with the intelligent acquisition terminal.
2. The intelligent terminal acquisition system of the ubiquitous internet of things based on the wireless transmission technology as claimed in claim 1, further comprising a wireless transparent transmission device, wherein the wireless transparent transmission device is connected with the second control chip and is used for establishing the data collector and establishing wireless communication with the power communication manager.
3. The ubiquitous internet of things intelligent terminal acquisition system based on the wireless transmission technology as claimed in claim 1, wherein the first wireless communication device is connected with the first control chip through serial port or SPI communication, and the first RS485 device is connected with the first control chip through serial port.
4. The ubiquitous internet of things intelligent terminal acquisition system based on the wireless transmission technology as claimed in claim 1, wherein the second wireless communication device is connected with the second control chip through serial port or SPI communication, the second RS485 device and the third RS485 device are connected with the second control chip through serial ports, and the wireless transparent transmission device is connected with the second control chip through serial ports.
5. The ubiquitous internet of things intelligent terminal acquisition system based on the wireless transmission technology as claimed in claim 1, wherein the voltage self-powered device is replaced by a current induction powered device.
6. The ubiquitous internet of things intelligent terminal acquisition system based on the wireless transmission technology as claimed in claim 1, wherein the current transformer is an open type current transformer.
7. The ubiquitous Internet of things intelligent terminal acquisition system based on the wireless transmission technology as claimed in claim 6, wherein the open type current transformer is provided with a lock catch, and the lock catch is used for fixing the open type current transformer.
8. The ubiquitous Internet of things intelligent terminal acquisition system based on the wireless transmission technology as claimed in claim 6, wherein the current transformer is provided with a self-powered contact pin which is of a spiral structure.
9. The ubiquitous internet of things intelligent terminal acquisition system based on the wireless transmission technology of any one of claims 1 to 8, wherein the first wireless communication device comprises a wireless LORA device, a wireless WIFI device or a wireless ZigBee device.
10. The ubiquitous internet of things intelligent terminal acquisition system based on the wireless transmission technology of any one of claims 1 to 8, wherein the second wireless communication device comprises a wireless LORA device, a wireless WIFI device or a wireless ZigBee device.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111600636A (en) * | 2020-06-03 | 2020-08-28 | 北京兴华瑞麒科技有限公司 | Intelligent communication system capable of automatically taking electricity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111600636A (en) * | 2020-06-03 | 2020-08-28 | 北京兴华瑞麒科技有限公司 | Intelligent communication system capable of automatically taking electricity |
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