CN210923825U - Wisdom energy acquisition control electric power instrument based on internet of things - Google Patents
Wisdom energy acquisition control electric power instrument based on internet of things Download PDFInfo
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- CN210923825U CN210923825U CN201921234655.XU CN201921234655U CN210923825U CN 210923825 U CN210923825 U CN 210923825U CN 201921234655 U CN201921234655 U CN 201921234655U CN 210923825 U CN210923825 U CN 210923825U
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Abstract
The utility model discloses a wisdom energy acquisition control electric power instrument based on internet of things, including the MCU chip, extension wireless communication interface, three-phase voltage electric current analog quantity input circuit, the measurement chip, RS485 communication module, switching value input module, relay output module, the clock chip, LCD display and data storage chip, the MCU chip respectively with switching value input module, relay output module, the measurement chip, the data storage chip, the clock chip, RS485 communication module, LCD display and extension wireless communication interface electricity are connected, three-phase voltage electric current analog quantity input circuit is connected with the measurement chip electricity, extension wireless communication interface electricity is connected wireless communication module, wireless communication module includes LoRaRaWAN communication module, NB-WAN communication module, WIFI communication module, BuleTooth communication, zigBee communication module and GPRS communication module.
Description
Technical Field
The utility model belongs to the technical field of electronic instrument, a support wisdom energy acquisition control electric power instrument of multiple radio communication and communication module automatic identification technique under the thing networking is related to.
Background
With the adoption of the national power grid, the smart power grid and the smart internet of things are proposed and built, higher requirements are put forward on the monitoring function, the control function and the communication of the power meter. Some use environment instruments may be distributed more dispersedly, and some are difficult to be wired on site for reconstruction projects. Wireless communication approaches can well address such needs. Due to different field environments, different requirements are imposed on wireless communication speed, distance, stability and cost. In the case of limited instrument volume and limited chip resources, it is impossible to design one instrument with the capability of satisfying all wireless communication requirements. The existing situation is to meet different wireless communication requirements of the market, the design of an instrument needs to be changed, so that the response requirement is slow, the supply is not timely, and hidden dangers also exist in the product quality. The appearance of new demand of instrument in the use can require the instrument to change wireless communication mode, if all satisfy the demand through changing the instrument, can increase user's cost and maintenance degree of difficulty.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem that prior art exists with not enough, provide a wisdom energy acquisition control electric power instrument based on internet of things.
The utility model discloses a solve above-mentioned technical problem through following technical scheme:
the utility model provides an intelligent energy collection control electric power instrument based on the technology of Internet of things, which is characterized in that, it includes the MCU chip, extension wireless communication interface, three-phase voltage electric current analog quantity input circuit, the measurement chip, RS485 communication module, switching value input module, relay output module, the clock chip, LCD display and data storage chip, the MCU chip respectively with switching value input module, relay output module, the measurement chip, data storage chip, the clock chip, RS485 communication module, LCD display and extension wireless communication interface electricity are connected, three-phase voltage electric current analog quantity input circuit is connected with the measurement chip electricity, wireless communication module is connected to extension wireless communication interface electricity, wireless communication module includes LoRaWAN communication module, NB-IoT communication module, WIFI communication module, BuleTooth communication, zigBee communication module and GPRS communication module.
Preferably, the power meter further comprises a power module, and the power module is electrically connected with the MCU chip.
Preferably, the MCU chip is STM32F103RB chip.
Preferably, the metering chip is selected from the group consisting of RN 7302.
Preferably, the clock chip is RTC.
On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.
The utility model discloses an actively advance the effect and lie in:
the utility model provides a wisdom energy collection system with multiple wireless communication agreement, self-identification extension wireless communication module satisfies the change situation of change of on-the-spot demand more easily.
Drawings
Fig. 1 is the utility model discloses preferred embodiment's wisdom energy acquisition control electric power instrument based on internet of things's structural block diagram.
Fig. 2 is a circuit diagram of the MCU chip according to the preferred embodiment of the present invention.
Fig. 3 is a circuit diagram of an extended wireless communication interface J1 according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-3, this embodiment provides a smart energy collection control power instrument based on internet of things, which includes an MCU chip 1, an extended wireless communication interface 2, a power module 3, a switching value input module 4, a relay output module 5, a three-phase voltage and current analog input circuit 6, a metering chip 7, a data storage chip 8, a clock chip 9, an RS485 communication module 10 and an LCD display 11, where the MCU chip 1 is electrically connected to the power module 3, the switching value input module 4, the relay output module 5, the metering chip 7, the data storage chip 8, the clock chip 9, the RS485 communication module 10, the LCD display 11 and the extended wireless communication interface 2, the three-phase voltage and current analog input circuit 6 is electrically connected to the metering chip 7, the extended wireless communication interface 2 is electrically connected to the wireless communication module, and the wireless communication module includes a LoRaWAN communication module, NB-IoT communication module, WIFI communication module, BuleTooth communication, zigBee communication module and GPRS communication module.
Wherein, the MCU chip chooses STM32F103RB chip for use, and RN7302 is chosen to the measurement chip, and RTC is chosen to the clock chip.
The metering chip RN7302 samples the voltage and the current in the circuit of the three-phase voltage current analog quantity input circuit and transmits the sampled voltage and the current to the MCU chip 1, the MCU chip 1 calculates the electric quantity and the electric energy to perform electric energy quality analysis, and the instrument expansion wireless communication supports various wireless communication and automatic identification and supports hot plugging.
FIG. 2 shows that the MCU chip in the power meter monitors the state of the extended wireless communication interface with the 9 th pin M1 of the extended wireless communication interface J1; the MCU monitors an M1 pin of an extended wireless communication module interface J1, if the pin state is a low level, the pin indicates that a wireless communication module is accessed, and if the pin state is a high level, the pin indicates that no wireless communication module is accessed at the position. The MCU judges whether a module is accessed according to the monitored level state of the M1 pin, and if the wireless communication module is accessed, the MCU reads information of the wireless communication module through the 6 th pin and the 8 th pin of the J1 interface of the expanded wireless communication module according to corresponding addresses. And displaying the module type according to the read information of the wireless communication module. The MCU performs data transmission and reception processing corresponding to data to be wirelessly communicated via the 3 rd and 5 th pins of the extended wireless communication J1.
Although particular embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are examples only and that the scope of the present invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (5)
1. The utility model provides a wisdom energy acquisition control electric power instrument based on internet of things, a serial communication port, it includes the MCU chip, extension wireless communication interface, three-phase voltage electric current analog quantity input circuit, the measurement chip, RS485 communication module, switching value input module, relay output module, the clock chip, LCD display and data storage chip, the MCU chip respectively with switching value input module, relay output module, the measurement chip, data storage chip, the clock chip, RS485 communication module, LCD display and extension wireless communication interface electricity are connected, three-phase voltage electric current analog quantity input circuit is connected with the measurement chip electricity, extension wireless communication interface electricity is connected wireless communication module, wireless communication module includes LoRaRaWAN communication module, NB-WAN communication module, WIFI communication module, BuleTooth communication, zigBee communication module and GPRS communication module.
2. The intelligent energy collection and control power meter based on the internet of things technology as claimed in claim 1, further comprising a power module electrically connected to the MCU chip.
3. The intelligent energy collection and control power meter based on the internet of things technology as claimed in claim 1, wherein the MCU chip is an STM32F103RB chip.
4. The intelligent energy collection and control power meter based on the internet of things technology as claimed in claim 1, wherein the metering chip is RN 7302.
5. The internet of things technology-based intelligent energy collection and control power meter as claimed in claim 1, wherein the RTC is selected as the clock chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921234655.XU CN210923825U (en) | 2019-08-01 | 2019-08-01 | Wisdom energy acquisition control electric power instrument based on internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201921234655.XU CN210923825U (en) | 2019-08-01 | 2019-08-01 | Wisdom energy acquisition control electric power instrument based on internet of things |
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| CN210923825U true CN210923825U (en) | 2020-07-03 |
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| CN201921234655.XU Active CN210923825U (en) | 2019-08-01 | 2019-08-01 | Wisdom energy acquisition control electric power instrument based on internet of things |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112269046A (en) * | 2020-10-15 | 2021-01-26 | 云南电网有限责任公司电力科学研究院 | Electric power gauge protection device |
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2019
- 2019-08-01 CN CN201921234655.XU patent/CN210923825U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112269046A (en) * | 2020-10-15 | 2021-01-26 | 云南电网有限责任公司电力科学研究院 | Electric power gauge protection device |
| CN112269046B (en) * | 2020-10-15 | 2021-09-24 | 云南电网有限责任公司电力科学研究院 | Electric power gauge protection device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Intelligent energy acquisition and control power instrument based on Internet of things technology Effective date of registration: 20210118 Granted publication date: 20200703 Pledgee: Bank of Communications Ltd. Wuxi branch Pledgor: JIANGYIN SFERE ELECTRIC Co.,Ltd. Registration number: Y2021320010019 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220725 Granted publication date: 20200703 Pledgee: Bank of Communications Ltd. Wuxi branch Pledgor: JIANGYIN SFERE ELECTRIC Co.,Ltd. Registration number: Y2021320010019 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |