CN202794144U

CN202794144U - Intelligent gas detection sensor

Info

Publication number: CN202794144U
Application number: CN201220426987XU
Authority: CN
Inventors: 不公告发明人
Original assignee: YINGSEN ELECTRICAL SYSEM (SHANGHAI) CO Ltd
Current assignee: YINGSEN ELECTRICAL SYSEM (SHANGHAI) CO Ltd
Priority date: 2012-08-27
Filing date: 2012-08-27
Publication date: 2013-03-13
Anticipated expiration: 2022-08-27

Abstract

The utility model discloses an intelligent gas detection sensor. The sensor comprises an industrial singlechip, an intelligent field communication bus interface module, an alarm relay two-way control output module, a digital-to-analog converter module, a current loop circuit module, a sensor signal amplification circuit and a gas sensor interface circuit module, wherein the gas sensor interface circuit module transmits a signal to the sensor signal amplification circuit; the sensor signal amplification circuit, the intelligent field communication bus interface module, the alarm relay two-way control output module and the digital-to-analog converter module are in signal connection with the industrial singlechip through double-line buses; and meanwhile, the digital-to-analog converter module transmits the signal to the current loop circuit module. The intelligent gas detection sensor provided by the utility model can digitize analog signals and improve the efficiency.

Description

A kind of intelligent gas acquisition sensor

Technical field

The utility model relates to sensor field, refers to especially a kind of intelligent gas acquisition sensor of detectable various gases.

Background technology

Conventional sensor all is analog output, need to amplify analog signals, the processing such as filtering, sampling, data-switching, just can really obtain the actual operating data of sensor, realize such function, just need relatively huge hardware and software support, and the kind of gas sensor, the response gas type too many, the detector of every kind of gas type all needs various gas with various sensors are again developed and designed, it is huge and numerous and diverse to work, and efficient is extremely low.

Summary of the invention

The utility model proposes a kind of intelligent gas acquisition sensor, can with analog signal figure, raise the efficiency.

A kind of intelligent gas acquisition sensor comprises industrial single-chip microcomputer, smart fields communication bus interface module, alarm relay two-way control output module, digital to analog converter module, current loop circuit module, sensor signal amplifying circuit and gas sensor interface module; Described gas sensor interface module transfers to described sensor signal amplifying circuit with signal; Be connected by the dual-wire bus signal between described sensor signal amplifying circuit, described smart fields communication bus interface module, described alarm relay two-way control output module, described digital to analog converter module and the described industrial single-chip microcomputer; Simultaneously, the digital to analog converter module transfers to the current loop circuit module with signal.

A kind of intelligent gas acquisition sensor also is provided with Switching Power Supply, is used to whole circuit that power supply is provided.

A kind of intelligent gas detector, the operating voltage of described Switching Power Supply are 15～36V.

The technical solution of the utility model is achieved in that smart fields communication bus interface module, can realize the digital communication between sensor and the detector.The intelligent gas acquisition sensor converts the conventional gas sensor intelligent to digital output interface to the sensor of analog output.The utility model intelligent gas acquisition sensor is with multiple functional, and directly output digit signals easily is transplanted on other detector and is used.Improve the reliability of product, also reduced the cost of development of the construction cycle of product.

Description of drawings

Fig. 1 is the electronic circuit block diagram of a kind of intelligent gas acquisition sensor of the utility model.

Fig. 2 is the circuit theory diagrams of the utility model industry single-chip microcomputer;

Fig. 3 is the circuit theory diagrams of the utility model digital to analog converter module;

Fig. 4 is the electronic circuit block diagram of the utility model sensor signal amplifying circuit and gas sensor interface module;

Fig. 5 is the circuit theory diagrams of the utility model Switching Power Supply;

Fig. 6 is the circuit theory diagrams of the utility model alarm relay two-way control output module;

Fig. 7 is the circuit theory diagrams of the utility model current loop circuit module.

Embodiment

Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.

See also accompanying drawing 1 to Fig. 7, a kind of intelligent gas acquisition sensor that the utility model provides comprises industrial single-chip microcomputer 1, smart fields communication bus interface module 2, alarm relay two-way control output module 3, digital to analog converter module 5, current loop circuit module 4, sensor signal amplifying circuit 6 and gas sensor interface module 7; Described gas sensor interface module 7 transfers to described sensor signal amplifying circuit 6 with signal; Be connected by the dual-wire bus signal between described sensor signal amplifying circuit 6, described smart fields communication bus interface module 2, described alarm relay two-way control output module 3, described digital to analog converter module 5 and the described industrial single-chip microcomputer 1; Simultaneously, digital to analog converter module 5 transfers to current loop circuit module 4 with signal.

A kind of intelligent gas acquisition sensor also is provided with Switching Power Supply 8, is used to whole circuit that power supply is provided.

A kind of intelligent gas acquisition sensor, the operating voltage of described Switching Power Supply 8 are 15～36V.

Preferably, the utility model intelligent gas acquisition sensor adopts integrated design, carries the output of 4～20mA industrial standard electric current loop.And the smart fields communication bus interface can be realized between sensor and the detector

Preferably, gas sensor interface module 7 can be used for detectable to multiple gases such as inflammable gas, toxic and harmfuls.

Preferably, inner use industrial single-chip microcomputer 1 and data-carrier store, thus detector more emat sensor do not need again to demarcate.

The utlity model has following advantage: 1, integrated design carries the output of 4～20mA industrial standard electric current loop.2, smart fields communication bus interface can be realized the digital communication between sensor and the detector.3, support warm connection function.4, high section, low section alarm relay control output.5, flame proof design is applicable to different flame proof occasions.6, volume is little, and maintenance and replacing are convenient, and cost is low.7, the multiple gases such as inflammable gas, toxic and harmful is detectable.8, inner single-chip microcomputer and the data-carrier store that uses technical grade, detector more emat sensor does not need again to demarcate.9, high frequency efficient rate DC-DC switching power circuit, power supply voltage can be 15～36Vdc.

The utility model intelligent gas acquisition sensor is multiple functional, and directly output digit signals easily is transplanted on other detector and is used.Improve the reliability of product, also reduced the cost of development of the construction cycle of product.

Should be noted that at last; above content is only in order to illustrate the technical solution of the utility model; but not to the restriction of the utility model protection domain; the simple modification that those of ordinary skill in the art carries out the technical solution of the utility model or be equal to replacement does not all break away from essence and the scope of technical solutions of the utility model.

Claims

1. an intelligent gas acquisition sensor is characterized in that: comprise industrial single-chip microcomputer, smart fields communication bus interface module, alarm relay two-way control output module, digital to analog converter module, current loop circuit module, sensor signal amplifying circuit and gas sensor interface module; Described gas sensor interface module transfers to described sensor signal amplifying circuit with signal; Be connected by the dual-wire bus signal between described sensor signal amplifying circuit, described smart fields communication bus interface module, described alarm relay two-way control output module, described digital to analog converter module and the described industrial single-chip microcomputer; Simultaneously, the digital to analog converter module transfers to the current loop circuit module with signal.

2. intelligent gas acquisition sensor as claimed in claim 1 is characterized in that: also be provided with Switching Power Supply, be used to whole circuit that power supply is provided.

3. intelligent gas acquisition sensor as claimed in claim 2, it is characterized in that: the operating voltage of described Switching Power Supply is 15～36V.