CN201408348Y

CN201408348Y - Mainboard of environment-friendly data acquisition instrument

Info

Publication number: CN201408348Y
Application number: CN2009201026287U
Authority: CN
Inventors: 李玮; 王孝军; 温剑军; 贺堃; 弓志宇; 梁鹏飞
Original assignee: TAIYUAN ROCKONTROL Corp
Current assignee: TAIYUAN ROCKONTROL Corp
Priority date: 2009-05-05
Filing date: 2009-05-05
Publication date: 2010-02-17
Anticipated expiration: 2019-05-05

Abstract

The utility model provides a mainboard of an environment-friendly data acquisition instrument, belonging to the technical field of environment-friendly data acquisition instruments. On account of thedefects in the prior art, the utility model provides a mainboard of an environment-friendly data acquisition instrument with compact structure, high integration degree and excellent security. The adopted solution is that a power supply interface (1) is respectively connected with a microprocessor (2), a clock chip (3), an I/O interface (4), a storage module (5) and a GPRS data transmission module(6); the microprocessor (2) is respectively connected with the clock chip (3), the storage module (5) and the GPRS data transmission module (6); the storage module (5) is also respectively connected with the I/O interface (4), the GPRS data transmission module (6) and a debugging switch (8); and the GPRS data transmission module (6) is also connected with a serial communication interface module (7). The mainboard can be applied in an automatic monitoring system for a pollution source.

Description

The environmental protection number is adopted the mainboard of instrument

Technical field

The utility model environmental protection number is adopted the mainboard of instrument, belongs to environment protection digital acquisition instrument technical field.

Background technology

Along with the environmental monitoring robotization is further deepened, the utilization digital technology is monitored on a large scale to environment, forms environmental monitoring system, has been that major issue becomes.To be the integrated environment-friendly application software one overlap the high-efficiency digital environment friendly system with enviromental monitoring equipment, network software and hardware system etc. form to numeral environmental protection solution, combine closely with the Environmental Protection Agency management work, be to be defined as the basis with country relevant law, decree and national environmental protection industry, take into full account 3S (GIS/GPS/RS) in management environmental protection space information resource advantage, environmental monitoring and supervision, environmental protection 12369, environmental protection dispatch control, pollution charge, environmental forecasting and the office automation system are organically combined.The numeral environmental protection, with the environmental protection is core, the integrated system of multilayer environment protecting monitoring management platform by base application, extension application, senior application and strategy application, dynamic monitoring, early warning to environmental quality are provided, the inquiry of environmental aspect and statistics, and to the integrated management of environmental quality sunykatuib analysis and environmental change trend analysis, the digital information system that pollution is controlled and Environmental Decision-making is commanded.

The utility model content

The utility model is in order to overcome the problem that prior art exists, and problem to be solved has provided the mainboard that a kind of environmental protection number is adopted instrument.

In order to address the above problem, the scheme that the utility model adopts is: the environmental protection number is adopted the mainboard of instrument, comprise: power interface, microprocessor, clock chip, I/O interface, memory module, GPRS data transmission module, serial communication interface module and debug switch, its structure is: power interface links to each other with microprocessor, clock chip, I/O interface, memory module and GPRS data transmission module respectively; Microprocessor links to each other with clock chip, memory module and GPRS data transmission module respectively; Memory module also links to each other with debug switch with I/O interface, GPRS data transmission module respectively; The GPRS data transmission module also links to each other with the serial communication interface module.

Above-mentioned I/O interface comprises: analog input channel, digital switch quantity input channel, digital quantity output channel and display interface device.

Above-mentioned serial communication interface module comprises: two kinds of communication interfaces of RS232, RS485.

The utility model comprises GPRS data transmission module, clock chip, memory module, microprocessor, I/O interface, serial communication interface module, the I/O interface comprises: analog input channel, digital quantity input channel, digital quantity output channel, display interface device, the serial communication interface module comprises: RS232 interface and RS485 interface, integrated degree height, can required interface be installed according to user's needs, the convenient use, only need change corresponding interface during maintenance gets final product, be provided with debug switch, can not damage other modules during Installation and Debugging, security is good.

Description of drawings

The utility model is described in more detail below in conjunction with accompanying drawing.

Fig. 1 is the system architecture schematic diagram of control main board.

1 is power interface, and 2 is microprocessor, and 3 is clock chip, 4 is the I/O interface, and 5 is memory module, and 6 is the GPRS data transmission module, 7 is the serial communication interface module, 8 is debug switch, and 10 is the analog input channel, and 11 is the digital quantity input channel, 12 is the digital quantity output channel, 13 is display interface device, and 20 is the RS232 interface, and 21 is the RS485 interface.

Embodiment

Fig. 1 is the system architecture schematic diagram of control main board, the environmental protection number is adopted the mainboard of instrument among the figure, comprise: power interface 1, microprocessor 2, clock chip 3, I/O interface 4, memory module 5, GPRS data transmission module 6, serial communication interface module 7 and debug switch 8, its structure is: power interface 1 links to each other with microprocessor 2, clock chip 3, I/O interface 4, memory module 5 and GPRS data transmission module 6 respectively; Microprocessor 2 links to each other with clock chip 3, memory module 5 and GPRS data transmission module 6 respectively; Memory module 5 also links to each other with I/O interface 4, GPRS data transmission module 6 and debug switch 8 respectively; GPRS data transmission module 6 also links to each other with serial communication interface module 7.

Above-mentioned I/O interface 4 comprises: analog input channel 10, digital switch quantity input channel 11, digital quantity output channel 12 and display interface device 13, serial communication interface comprises: RS232 interface 12 and RS485 interface 21.

Its principle of work is as follows:

Power interface 1 is adopted instrument from number and is introduced the 24V direct supply, is respectively display interface device 13 power supplies in microprocessor 2, clock chip 3, GPRS data transmission module 6 and the I/O interface 4.

Clock chip 3 is powered simultaneously by system power supply and lithium battery, and under the situation of electricity, battery can be kept at least one year of clock work, that is to say under the user, and user's one-year age does not power on, and clock is still in work when powering on once more.Precision index year, error was less than 2 seconds; Memory module 5 is selected flash memory able to programme for use, and memory data output is big, reaches about 8Mb, can store the data more than 150,000, if preserved once in 10 minutes, can store the data more than 3 years.

GPRS data transmission module 6 adopts GPRS wireless communication mode and host computer to carry out exchanges data, and slave computer is uploaded image data by the GPRS passage, and host computer is then countercharged to the collection in worksite plate by the GPRS passage.

GPRS data transmission module 6 has following characteristics:

1) this inside modules has encapsulated PPP dialing protocol and ICP/IP protocol, possesses that GPRS dials up on the telephone and the function of TCP/IP data communication.

2) this module provides serial communication interface, comprise RS232, two kinds of serial communication modes commonly used of RS485, raw data on the serial ports can be converted to the TCP/IP packet transmits, can be connected with the subscriber equipment of various use serial communications, and do not need subscriber equipment is changed.

3) this module can power on and dial automatically, keeps forever online, supports functions such as broken string reconnects automatically, auto redial.

4) this module support parameter configuration is kept at the parameter that configures in the storer, in case power on, module is just carried out work according to the parameter that sets automatically.

Debug switch 8 is used to be provided with the duty of control main board.Control main board is in normal operating conditions when switch is allocated to the RUN position; Control main board is in the state of setting when switch is allocated to the SET position, and at this moment, control main board can't operate as normal.Debug switch acquiescence be allocated to the RUN position.

The structure of I/O interface 4 is: 8 road A/D analog quantity IO channel, every road analog channel can provide three kinds of input pattern signal: 4-20mA, 0-5V, 0-10V by the mode of hardware jumper, all analog input signals all carry out analog to digital conversion by 12 A/D converters, the analog to digital conversion time is 10 μ s, linear error is at+1LSB, per 1 second run-down at least.16 road digital quantity input channels, 8 road digital quantity output channels both can read the duty of relay, and the function of apparatus for automatic control is finished in the also switching of the electronic switch of may command corresponding instrument or relay.The dual serial passage comprises: 20,1 RS485 input channel 21 of 1 RS232 input channel.Integrated display interface device 13 in the I/O interface 4 in addition.

Claims

1. the environmental protection number is adopted the mainboard of instrument, comprise: power interface (1), microprocessor (2), clock chip (3), I/O interface (4), memory module (5), GPRS data transmission module (6), serial communication interface module (7) and debug switch (8) is characterized in that: power interface (1) links to each other with microprocessor (2), clock chip (3), I/O interface (4), memory module (5) and GPRS data transmission module (6) respectively; Microprocessor (2) links to each other with clock chip (3), memory module (5) and GPRS data transmission module (6) respectively; Memory module (5) also links to each other with I/O interface (4), GPRS data transmission module (6) and debug switch (8) respectively; GPRS data transmission module (6) also links to each other with serial communication interface module (7).

2. environmental protection number according to claim 1 is adopted the mainboard of instrument, it is characterized in that described I/O interface (4) comprising: analog input channel (10), digital quantity input channel (11), digital quantity output channel (12) and display interface device (13).

3. environmental protection number according to claim 1 is adopted the mainboard of instrument, it is characterized in that serial communication interface module (7) comprising: RS232 interface (20) and RS485 interface (21).