CN202771603U

CN202771603U - Electricity utilization information collector

Info

Publication number: CN202771603U
Application number: CN 201220404425
Authority: CN
Inventors: 张述元; 周畅; 郭艳辉; 何俊
Original assignee: WUHAN ZHONGYUAN ELECTRONIC INFORMATION Corp
Current assignee: WUHAN ZHONGYUAN ELECTRONIC INFORMATION Corp
Priority date: 2012-08-15
Filing date: 2012-08-15
Publication date: 2013-03-06
Anticipated expiration: 2022-08-15

Abstract

The utility model discloses an electricity utilization information collector which comprises a master control module and an isolation module, a clock module and a power line carrier module which are respectively connected with the master control module, and the isolation module is connected with a recommended standard (RS) 485 transceiving module. The master control module is further respectively connected with a switching value interface module, an electrically erasable programmable read-only memory (EEPROM) memory module, an infrared transceiving module and a liquid crystal display (LCD) liquid crystal module. The electricity utilization information collector is large in covering radius, high in speed and low in bit error rate; is stable, safe and fast in program upgrading; facilitates later maintenance and upgrading due to an infrared port and a maintenance 485 interface; and is simple and convenient to operate and short in upgrading time consumption.

Description

A kind of power information collector

Technical field

The utility model relates to power information harvester field, is specifically related to a kind of power information collector, is applicable to the collection of power information.

Background technology

Use in the power information acquisition terminal process the client, electricity consumption acquisition terminal (for example: concentrator, collector etc.) usually needs according to zones of different, and diverse geographic location or different clients' demand is changed some function of increase and decrease at any time.Frequently functionality change demand is had higher requirement to field upgrade and the maintenance of power information collecting device, and the maintainer needs a kind of flexible, safety, and quick, stable upgrading mode is dealt with heavy field upgrade maintenance work.And the problem of meeting this type of program upgrade in the current at the scene maintenance work, the maintainer relies on the scene of race, the master control borad of dismounting terminal device, and take home to install again after using particular device to upgrade and go back, or directly be the upgraded new master control borad of program of terminal device replacing.So often cause labour intensity large, expense is high, and master control borad easily causes secondary to damage risk etc. in dismantling, install and carry on the way.For this reason, company has developed the collector that a cover has RS485 local upgrade function, thereby has greatly alleviated field maintemance staff's labour intensity, has also improved work efficiency simultaneously.

The utility model content

The purpose of this utility model is the problems referred to above that are for the prior art existence, and a kind of power information collector is provided, and the solution power information collector at the scene process Program of installation and maintenance is upgraded frequently complexity, the problem of poor efficiency.

Above-mentioned purpose of the present utility model is achieved through the following technical solutions:

A kind of power information collector comprises main control module, also comprises the isolation module, clock module and the power line carrier module that are connected with main control module respectively, and isolation module is connected with the RS485 transceiver module.

Aforesaid main control module also is connected with switching value interface module, EEPROM memory module, infrared transceiver module and LCD Liquid Crystal Module respectively.

The utility model compared with prior art has the following advantages:

1, covering radius is large, speed is high, the bit error rate is low;

2, program upgrade is stable, safety, fast;

3, configuration is infrared mouthful and safeguard 485 interfaces, is convenient to later maintenance and upgrading;

4, simple to operation, upgrade consuming time short, can be applied in as required other above similar product that needs upgrade maintenance.

Description of drawings

Fig. 1 is principle schematic of the present utility model.

Among the figure: the 1-collector; The 2-main control module; The 3-RS485 transceiver module; The 4-isolation module; 5-switching value interface module; The 6-EEPROM memory module; The 7-clock module; The 8-infrared transceiver module; The 9-power line carrier module; The 10-LCD Liquid Crystal Module; 11-is desk-top/portable computer; The 12-RS485 converter; 13-hands PDA equipment; The 14-power module.

Embodiment

Below in conjunction with accompanying drawing the technical solution of the utility model is described in further detail.

Embodiment 1

As shown in Figure 1, a kind of power information collector comprises main control module 2, also comprises the isolation module 4, clock module 7 and the power line carrier module 9 that are connected with main control module 2 respectively, and isolation module 4 is connected with RS485 transceiver module 3.

Main control module 2 also is connected with the LCD Liquid Crystal Module with switching value interface module 5, EEPROM memory module 6, infrared transceiver module 8 respectively and is connected.

As a kind of preferred version, use up-to-date carrier modulation demodulation techniques, have the characteristics such as covering radius is large, speed is high, the bit error rate is low, can adopt the kinds of schemes such as journey dawn, Rui Sikang, ancient cooking vessel letter and ADI to realize the line of electric force transmission of carrier signal.Configure infrared transceiver module 8 and safeguard RS485 transceiver module 3, can receive the communications command of hand-held PDA equipment 13, and return corresponding information such as electric weight, parameter etc., also can be used for the collector software upgrading.

Main control module 2: the core processing unit of collector, the STM32F101 Series of MCU that can adopt ST company to produce, Cortex-M3 CPU for the ARM32 position, have the flash memories of 128K byte and the SRAM of 16K byte, and comprise ADC and 3 general 16 bit timing devices of one 12,2 I2C, 2 SPI and 3 UART, powerful.

EEPROM memory module 6: adopt the 256K-Bit CMOS EEPROM CAT25C256 of low-power consumption, have the wide working voltage of 1.8V to 6V.

Clock module 7: be used for providing system clock and supply voltage to detect, can adopt RX8025, meter precision Circuit tuning when the 32.768kHz crystal oscillator that the built-in high precision frequency of RX8025 is adjusted and high precision, EPSON company produces.

Infrared transceiver module 8: be used for receiving the communications command that hand-held PDA equipment 13 sends, and adopt the NE555 timer to produce specific pulse signal.

Power line carrier module 9: be used for power line carrier communication, can adopt PLC3106 carrier Control chip.

LCD Liquid Crystal Module 10: be the monochromatic liquid crystal display of 128*64 dot matrix, carry Chinese character base, carry backlight, white screen, be used for demonstration and the query manipulation of meter reading data, Truly Semiconductors Ltd produces.

RS485 transceiver module 3: adopt the MX485 chip, in conjunction with the isolation module 4 of TLP181 photoelectricity, add protection and filtering circuit, guarantee the reliability of data transmit-receive.

Switching value interface module 5: be used for access switching value signal, isolate by the isolation module 4 of TLP181 photoelectricity equally, and additional anti-instantaneous pressure or electrostatic discharge protective circuit, to guarantee the security of switching value interface module.

Power module 14: be the 5VDC that meets inner needs with external 220V voltage transitions by transformer, rectifier circuit and LM7805 chip, by the AS1117 chip 5VDC be converted to 3VDC for other chip of inside in addition again.

Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Claims

1. power information collector, comprise main control module (2), it is characterized in that: also comprise the isolation module (4), clock module (7) and the power line carrier module (9) that are connected with main control module (2) respectively, isolation module (4) is connected with RS485 transceiver module (3).

2. a kind of power information collector according to claim 1, it is characterized in that: described main control module (2) also is connected 10 with switching value interface module (5), EEPROM memory module (6), infrared transceiver module (8) with the LCD Liquid Crystal Module respectively) be connected.