A kind of environmental monitoring system with input-output unit
[technical field]
The utility model relates to input-output unit field, is particularly applied in the technical field of environmental monitoring.
[background technology]
In environmental monitoring field, when needing the detection signal occurred by incoming event to processor, output unit is generally used for output alarm signal to alarm, with reminding user.Generally that therefore designed environmental monitoring system generally can only have input media and the output unit of fixed qty, and inconvenient by input media and output unit separately design in existing environmental system.
Application number is the patent of invention of 200910311643.7, although solve a difficult problem for input-output unit integration, and imperfection, need the place made up in addition badly.The environmental monitoring system that high precision is perfect needs the data of the environmental element gathered to be very large, this just needs to consider from whole system aspect, so the communication of input-output unit will step to a new level, the value when pre-test can not be shown in real time in addition as supervising device, occur alarm time can not vaild notice to host computer and upper level network, also be this patent of invention need perfect a bit, last management for environment monitor information can not carry out data storing in order to scientific data statistics and the possible period of want or need.
[utility model content]
The purpose of this utility model solves the problems of the prior art exactly, proposes a kind of environmental monitoring system with input-output unit, and structure is simple, easy to use, is applicable to extensively promoting.
For achieving the above object, the utility model proposes a kind of environmental monitoring system with input-output unit, comprise sensor, modulate circuit, sampling holder, A/D modular converter, data memory module, display module, alarm module, communication module, wire communication module, wireless communication module, user's setting, power module, signal output trigger module, microprocessor, signal input acquisition module, output unit, input media, input-output unit; Described sensor, modulate circuit, sampling holder and A/D modular converter are arranged in input media; Described signal exports trigger module and is arranged in input-output unit; Described data memory module and display module and microprocessor are electrical connected; Described communication module is connected with microprocessor.
As preferably, described input media comprises sensor assembly, a single-pole double-throw switch (SPDT), three electric capacity, two resistance, a diode, a voltage follower and a multichannel analog switch, described sensor assembly is connected with a resistance by single-pole double-throw switch (SPDT), described diode cathode is connected with voltage follower in-phase end, described voltage follower output terminal is connected with multichannel analog switch input terminal by a resistance, described multichannel analog output switching terminal is connected with microprocessor input port, described multichannel analog switch control terminal is connected with microprocessor control end, described multichannel analog switch comprises sampling holder and A/D modular converter.
As preferably, described output unit comprises signal and exports trigger module and hummer module, described hummer module is hummer and hummer modulate circuit, described signal exports the driving circuit that trigger module is trigger and trigger, and described flip-flop output is connected with hummer module by single-pole double-throw switch (SPDT).
As preferably, described microprocessor is connected with display module by resistance, and described display module is LCD1602 LCDs, and described data memory module is connected with microprocessor.
As preferably, described communication module comprises wire communication module and wireless communication module, and described wire communication module is industrial field bus RS485, and described wireless communication module is gsm communication module, and described gsm communication module is TC35IGSM communication module.
The beneficial effects of the utility model: the utility model utilizes all kinds of measuring instrument instrument in front end, carry out local data collection, store, process and displaying, and by networks such as GPRS/CDMA/ADSL by data remote to Surveillance center, as front-end image pick-up transducers can be taken pictures at comprehensive scene, monitoring center software platform can monitor the real-time operating conditions of pollution source continuously, simultaneity factor takes industrial field bus RS232 or RS485 group-net communication, the various monitor control index information of each input media node and the operational factor of device itself are sent in host computer or upper level network and go, upper level monitor network or host computer send adjustment instruction to output unit operational factor in real time by device remote communication interface simultaneously.
Feature of the present utility model and advantage will be described in detail by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is a kind of principle schematic with the environmental monitoring system of input-output unit of the utility model;
Fig. 2 is a kind of circuit diagram with the environmental monitoring system of input-output unit of the utility model;
Fig. 3 is a kind of schematic diagram of environmental monitoring system as input media with input-output unit of the utility model;
Fig. 4 is a kind of schematic diagram of environmental monitoring system as output unit with input-output unit of the utility model.
In figure: 1-sensor, 2-modulate circuit, 3-sampling holder, 4-A/D modular converter, 5-data memory module, 6-display module, 7-alarm module, 8-communication module, 9-wire communication module, 10-wireless communication module, 11-user's setting, 12-power module, 13-signal export trigger module, 14-microprocessor, the input of 15-signal acquisition module, 20-output unit, 21-input media, 22-input-output unit.
[embodiment]
Consult Fig. 1, Fig. 2, Fig. 3, Fig. 4, the utility model, comprises sensor 1, modulate circuit 2, sampling holder 3, A/D modular converter 4, data memory module 5, display module 6, alarm module 7, communication module 8, wire communication module 9, wireless communication module 10, user arranges 11, power module 12, signal export trigger module 13, microprocessor 14, signal input acquisition module 15, output unit 20, input media 21, input-output unit 22, described input media 21 comprises sensor assembly, a single-pole double-throw switch (SPDT), three electric capacity, two resistance, a diode, a voltage follower and a multichannel analog switch, described sensor assembly is connected with a resistance by single-pole double-throw switch (SPDT), described diode cathode is connected with voltage follower in-phase end, described voltage follower output terminal is connected with multichannel analog switch input terminal by a resistance, described multichannel analog output switching terminal is connected with microprocessor input port, described multichannel analog switch control terminal is connected with microprocessor control end, described multichannel analog switch comprises sampling holder 3 and A/D modular converter 4, described output unit 20 comprises signal and exports trigger module 13 and hummer module, described hummer module is hummer and hummer modulate circuit, described signal exports the driving circuit that trigger module is trigger and trigger, and described flip-flop output is connected with hummer module by single-pole double-throw switch (SPDT), described microprocessor 14 is connected with display module 6 by resistance, and described display module 6 is LCD1602 LCDs, and described data memory module 5 is connected with microprocessor 14, described communication module 8 comprises wire communication module 9 and wireless communication module 10, and described wire communication module 9 is industrial field bus RS485, and described wireless communication module 10 is gsm communication modules, and described gsm communication module is TC35IGSM communication module.
Utility model works process:
The utility model is a kind of has the environmental monitoring system of input-output unit in the course of the work, input-output unit carries out device switching by single-pole double-throw switch (SPDT), it is input media when switching over to 1, it is output unit when switching over to 3, when pulse signal being detected in switching moment microprocessor 14, SW1 and SW2 can be switched.When using input media, transducing signal is transferred to multichannel analog switch through the combing of modulate circuit and carries out digital-to-analog conversion, re-send to microprocessor 14, now the signal transacting be transferred to shows in real time by microprocessor 14 on liquid crystal display, by the signal after process by wireless and wired two kinds of communication modes, environmental information and plant running parameter can be sent to host computer or upper level network simultaneously.When using output unit, upper level network is by sending the output that instruction changes trigger to microprocessor, trigger generation action hummer module starts to report to the police, and upper level monitor network or host computer send adjustment instruction in real time by device remote communication interface and change operational factor to output unit.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, anyly all belongs to protection domain of the present utility model to the scheme after the utility model simple transformation.