CN219204489U - Electric energy equipment management statistical system based on RFID and HPLC communication function - Google Patents
Electric energy equipment management statistical system based on RFID and HPLC communication function Download PDFInfo
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- CN219204489U CN219204489U CN202220846808.1U CN202220846808U CN219204489U CN 219204489 U CN219204489 U CN 219204489U CN 202220846808 U CN202220846808 U CN 202220846808U CN 219204489 U CN219204489 U CN 219204489U
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Abstract
The utility model relates to an electric energy equipment management statistical system based on RFID and HPLC communication functions, which comprises an AC-DC conversion circuit, an HPLC filter circuit, a 20V-to-12V voltage reduction circuit, a 12V-to-3.3V voltage reduction circuit, a micro control unit, an RFID module and an RFID antenna. The method is applied to electric equipment such as household appliances, apartments, companies, factory electric equipment and the like. The utility model can collect the electricity consumption condition of each device, find out common devices and unusual devices, properly adjust the service time of the devices and save energy. The implementation mode of the utility model combines HPLC communication with RFID to collect the electricity consumption of each device.
Description
Technical Field
The utility model relates to the field of electric power, in particular to an electric energy equipment management and statistics system based on RFID and HPLC communication functions.
Background
For the application scenes of electric equipment such as household appliances, apartments, company and factory electrical equipment, the common socket is a common switch socket, the common switch socket can not detect and collect the power consumption condition of each equipment, common equipment and unusual equipment can not be detected, the equipment service time can not be adjusted, and the energy waste condition is serious.
Disclosure of Invention
In order to solve the technical problem that the electricity consumption of electric equipment cannot be collected in the prior art, the utility model provides an electric energy equipment management and statistics system based on RFID and HPLC communication functions, which comprises an AC-DC conversion circuit, an HPLC filter circuit, a 20V-12V voltage reduction circuit, a 12V-3.3V voltage reduction circuit, a micro control unit, an RFID module and an RFID antenna;
the AC-DC conversion circuit is connected with a live wire and a zero wire of a power grid and is configured to convert alternating current into 20V direct current;
the 20V-to-12V voltage reduction circuit is connected with the AC-DC conversion circuit and is configured to convert 20V direct current into 12V direct current;
the HPLC filter circuit is connected with the AC-DC conversion circuit and is configured to filter interference signals in the broadband power line carrier;
the micro control unit is respectively connected with the 12V-to-3.3V step-down circuit, the HPLC filter circuit and the RFID module;
the RFID module is connected with the RFID antenna.
Furthermore, the micro control unit RXIN_N interface is connected with the HPLC filter circuit RX_N interface;
the micro control unit RXIN_P interface is connected with the HPLC filter circuit RX_P interface;
the micro-control unit TXOUT_P interface is connected with the HPLC filter circuit TX_P interface;
the micro-control unit TXOUT_N interface is connected with the HPLC filter circuit TX_N interface;
the micro-control unit VDDH_RX interface is connected with a 20V-to-12V step-down circuit V12P0 interface;
the micro-control unit VDDH_TX interface is connected with a 20V-to-12V step-down circuit V12P0 interface;
the micro control unit VDD33 interface is connected with a V3P3 interface of a 12V-to-3.3V step-down circuit.
Further, the interface of the RFID module TX1 is connected with the interface of the RFID antenna TX 1;
the RFID module TX2 interface is connected with the RFID antenna TX2 interface;
the RFID module VMID interface is connected with an RFID antenna VMID interface;
the RFID module RX interface is connected with an RFID antenna RX interface.
Further, the SDA interface of the RFID module is connected with the GPIO38 interface of the micro control unit;
the interface of the RFID module D7 is connected with the interface of the micro control unit GPIO 40;
the RFID module IRQ interface is connected with the micro-control unit RFID_IRQ interface;
the RFID module D5 interface is connected with a GPIO37 interface of the micro control unit;
and the RFID module D6 interface is connected with a GPIO39 interface of the micro control unit.
Further, the LED lamp module is also included,
the LED lamp module RX_LED interface is connected with the micro control unit RX_LED interface;
the LED lamp module TX_LED interface is connected with the micro-control unit TX_LED interface;
the LED lamp module RX_LED interface is connected with a green light emitting diode;
the LED lamp module tx_led interface is connected to a red light emitting diode.
The utility model has the beneficial effects that: the utility model can collect the electricity consumption condition of each device, find out common devices and unusual devices, properly adjust the service time of the devices and save energy. The implementation mode of the utility model combines HPLC communication with RFID to collect the electricity consumption of each device.
Drawings
FIG. 1 is a block diagram of an embodiment of the present utility model.
FIG. 2 is a block diagram of an embodiment of the present utility model.
Fig. 3 is a schematic diagram of an AC-DC conversion circuit and an HPLC filter circuit.
Fig. 4 is a schematic circuit diagram of the micro control unit.
FIG. 5 is a schematic diagram of a 20V to 12V step-down circuit.
FIG. 6 is a schematic diagram of a 12V to 3.3V step-down circuit
Fig. 7 is a schematic diagram of an RFID module.
Fig. 8RFID antenna schematic.
Detailed Description
The utility model is characterized in that the non-contact plug and the induction module socket are adopted to complete the read-write operation through radio waves. The communication frequency between the two is 13.56MHz. The non-contact plug itself is composed of passive chip and coil, when the induction module socket performs read-write operation on the non-contact plug, the signal sent by the reader-writer is composed of two parts, one part is a power signal, and after the signal is received by the card, an instant energy is generated with the L/C of the signal to supply the chip inside the plug to work. And the other part is an instruction and data signal, which directs the chip to complete reading, modifying, storing and the like of the data, and returns a signal to the sensing module to complete one-time reading and writing operation. After the coupling transformer is used for coupling into steamed bread, the interference signals are filtered through the clamping circuit and the filter circuit, so that the MCU can normally receive and transmit signals from the power grid. MCU and RC522 can be compatible with serial UART and SPI two modes to communicate, and UART communication mode is preferred in the utility model. And collecting operation information of each electric appliance or equipment through wireless antenna contact induction.
The utility model provides an electric energy equipment management statistical system based on RFID and HPLC communication functions, which comprises an AC-DC conversion circuit, an HPLC filter circuit, a 20V-to-12V voltage reduction circuit, a 12V-to-3.3V voltage reduction circuit, a micro control unit, an RFID module and an RFID antenna;
an RFID module of an embodiment of the present utility model employs an RC522 chip from Enzhpu corporation.
RC522 is a member of the high-integration read-write card family of chips used in 13.56MHz contactless communication. The non-contact read-write card chip is a low-voltage, low-cost and small-size non-contact read-write card chip which is proposed by NXP company aiming at three-meter application.
An embodiment of the micro control unit adopts an HZ3011 power line carrier communication (terminal) chip which is proposed by the electric microelectronics limited company in aerospace.
The HZ3011 high-speed carrier chip is a high-performance chip specially customized for domestic power environment in aerospace power development, is based on an Orthogonal Frequency Division Multiplexing (OFDM) technology, is mainly oriented to the Chinese power grid market, and provides a high-efficiency and reliable high-speed power line carrier communication solution. HZ3001 is a master node chip, and HZ3011 is a slave node chip.
Technical characteristics:
4-He-1 function: PLC power line broadband carrier communication, international/Chinese national security, energy metering and MCU main control
In the range of 0.2-30 megafrequency. The peak physical layer rate is 50 megabits and the MAC layer rate is approximately 30 megabits
Dual RISC-V CPU. Each dominant frequency may be up to 150 megabits. The operation capability is up to 450MIPS
MCU master control takes abundant IO interface:
-4 UARTs
SPI master/slave interface
-I2C，I2S
-6 PWM
-6-way analog sensor interface
-a plurality of GPIO
The AC-DC conversion circuit is connected with a live wire and a zero wire of a power grid and is configured to convert alternating current into 20V direct current;
the 20V-to-12V voltage reduction circuit is connected with the AC-DC conversion circuit and is configured to convert 20V direct current into 12V direct current;
the HPLC filter circuit is connected with the AC-DC conversion circuit and is configured to filter interference signals in the broadband power line carrier;
the micro control unit is respectively connected with the 12V-to-3.3V step-down circuit, the HPLC filter circuit and the RFID module;
the RFID module is connected with the RFID antenna.
Furthermore, the micro control unit RXIN_N interface is connected with the HPLC filter circuit RX_N interface;
the micro control unit RXIN_P interface is connected with the HPLC filter circuit RX_P interface;
the micro-control unit TXOUT_P interface is connected with the HPLC filter circuit TX_P interface;
the micro-control unit TXOUT_N interface is connected with the HPLC filter circuit TX_N interface;
the micro-control unit VDDH_RX interface is connected with a 20V-to-12V step-down circuit V12P0 interface;
the micro-control unit VDDH_TX interface is connected with a 20V-to-12V step-down circuit V12P0 interface;
the micro control unit VDD33 interface is connected with a V3P3 interface of a 12V-to-3.3V step-down circuit.
Further, the interface of the RFID module TX1 is connected with the interface of the RFID antenna TX 1;
the RFID module TX2 interface is connected with the RFID antenna TX2 interface;
the RFID module VMID interface is connected with an RFID antenna VMID interface;
the RFID module RX interface is connected with an RFID antenna RX interface.
Further, the SDA interface of the RFID module is connected with the GPIO38 interface of the micro control unit;
the interface of the RFID module D7 is connected with the interface of the micro control unit GPIO 40;
the RFID module IRQ interface is connected with the micro-control unit RFID_IRQ interface;
the RFID module D5 interface is connected with a GPIO37 interface of the micro control unit;
and the RFID module D6 interface is connected with a GPIO39 interface of the micro control unit.
Further, the LED lamp module is also included,
the LED lamp module RX_LED interface is connected with the micro control unit RX_LED interface;
the LED lamp module TX_LED interface is connected with the micro-control unit TX_LED interface;
the LED lamp module RX_LED interface is connected with a green light emitting diode;
the LED lamp module tx_led interface is connected to a red light emitting diode.
The utility model has the beneficial effects that: the utility model can collect the electricity consumption condition of each device, find out common devices and unusual devices, properly adjust the service time of the devices and save energy. The implementation mode of the utility model combines HPLC communication with RFID to collect the electricity consumption of each device.
Claims (1)
1. The electric energy equipment management statistical system based on the RFID and HPLC communication functions is characterized by comprising an AC-DC conversion circuit, an HPLC filter circuit, a 20V-to-12V voltage reduction circuit, a 12V-to-3.3V voltage reduction circuit, a micro control unit, an RFID module and an RFID antenna;
the AC-DC conversion circuit is connected with a live wire and a zero wire of a power grid and is configured to convert alternating current into 20V direct current;
the 20V-to-12V voltage reduction circuit is connected with the AC-DC conversion circuit and is configured to convert 20V direct current into 12V direct current;
the HPLC filter circuit is connected with the AC-DC conversion circuit and is configured to filter interference signals in the broadband power line carrier;
the micro control unit is respectively connected with the 12V-to-3.3V step-down circuit, the HPLC filter circuit and the RFID module;
the RFID module is connected with the RFID antenna;
the micro control unit RXIN_N interface is connected with the HPLC filter circuit RX_N interface;
the micro control unit RXIN_P interface is connected with the HPLC filter circuit RX_P interface;
the micro-control unit TXOUT_P interface is connected with the HPLC filter circuit TX_P interface;
the micro-control unit TXOUT_N interface is connected with the HPLC filter circuit TX_N interface;
the micro-control unit VDDH_RX interface is connected with a 20V-to-12V step-down circuit V12P0 interface;
the micro-control unit VDDH_TX interface is connected with a 20V-to-12V step-down circuit V12P0 interface;
the micro control unit VDD33 interface is connected with a V3P3 interface of a 12V-to-3.3V step-down circuit;
the RFID module TX1 interface is connected with the RFID antenna TX1 interface;
the RFID module TX2 interface is connected with the RFID antenna TX2 interface;
the RFID module VMID interface is connected with an RFID antenna VMID interface;
the RFID module RX interface is connected with an RFID antenna RX interface;
the SDA interface of the RFID module is connected with the GPIO38 interface of the micro control unit;
the interface of the RFID module D7 is connected with the interface of the micro control unit GPIO 40;
the RFID module IRQ interface is connected with the micro-control unit RFID_IRQ interface;
the RFID module D5 interface is connected with a GPIO37 interface of the micro control unit;
the RFID module D6 interface is connected with a GPIO39 interface of the micro control unit;
also included is a led lamp module that is configured to provide a light,
the LED lamp module RX_LED interface is connected with the micro control unit RX_LED interface;
the LED lamp module TX_LED interface is connected with the micro-control unit TX_LED interface;
the LED lamp module RX_LED interface is connected with a green light emitting diode;
the LED lamp module tx_led interface is connected to a red light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220846808.1U CN219204489U (en) | 2022-04-13 | 2022-04-13 | Electric energy equipment management statistical system based on RFID and HPLC communication function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220846808.1U CN219204489U (en) | 2022-04-13 | 2022-04-13 | Electric energy equipment management statistical system based on RFID and HPLC communication function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219204489U true CN219204489U (en) | 2023-06-16 |
Family
ID=86704560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220846808.1U Active CN219204489U (en) | 2022-04-13 | 2022-04-13 | Electric energy equipment management statistical system based on RFID and HPLC communication function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219204489U (en) |
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2022
- 2022-04-13 CN CN202220846808.1U patent/CN219204489U/en active Active
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