CN2731610Y

CN2731610Y - Air quality detector

Info

Publication number: CN2731610Y
Application number: CN 200520000459
Authority: CN
Inventors: 任纯泽
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-05-12
Filing date: 2005-02-06
Publication date: 2005-10-05
Anticipated expiration: 2015-02-06

Abstract

The utility model relates to an air quality detector, composed of sensors, transducers, a multi-path paper-free recorder, an alternative-direct current power supply, a mini-type printer and a machine case. A multi-path environment physical parameter sensor integration is installed a hand case with a movable tripod; the multi-path paper-free recorder and the mini-type printer are fixed at the front part of the machine case; an environment physical parameter transducer, a multi-path environmental chemistry parameter sensor, the transducer of the multi-path environmental chemistry parameter and the alternative-direct power supply are installed at the rear part of the machine case. Each sensor conveys detection signals to the input port of the multi-path paper-free recorder by the transducers; the multi-path paper-free recorder printer and a communication port are respectively connected with the mini-type printer and a computer. As the utility model integrates with physical parameter and environmental chemistry parameter checking with the functions of data acquisition, display, graphics, warning, memory, printing, communication, etc, the air quality detector has the characteristics of simple operation, lower cost and suitable for detecting air quality of human environment, animal and plant environment and cultural relics preservation environment.

Description

The Detection of Air Quality instrument

Technical field

The utility model relates to a kind of Detection of Air Quality instrument, refer in particular to a kind of collect environmental physical parameter and environmental chemistry parameter be one, be used for the Detection of Air Quality instrument that the inside and outside human environment in chamber (cabin), animal environment, plant environment and historical relic are preserved environment.

Background technology

Progress along with development of human society and science and technology; people more and more pay attention to the air quality of own living environment; health at different levels; environmental protection or agricultural; historical relic's protection department can utilize various physics; the temperature that chemical sensor and corresponding measurement and analysis instrument thereof come testing environment; relative humidity; wind speed; air pressure; illumination; environmental physical parameters such as noise; and carbon monoxide; carbon dioxide; sulphuric dioxide; nitrogen dioxide; ozone; formaldehyde; benzene; the variation of environmental chemistry such as ammonia or pellet parameter is so that as the foundation of ambient air quality monitoring or control.In the prior art, be used for that the instrument of measurement environment physical parameter and environmental chemistry parameter normally separates, also can be even if combine because of equipment complexity or the high universal and application that has limited it of cost, along with the further raising of entire society to the ambient air quality requirement, for the picture public place, traffic, military, hospital, stadiums, school, community, family, large-scale plant, ask for something maneuverability such as plantation and historical relic preservation environment are stronger, less and the diversified detection occasion of measurement parameter of measurement range more needs a kind of measurement easy, the Detection of Air Quality instrument of easy to carry and easy operating.

Summary of the invention

The purpose of this utility model provides and a kind ofly collects environmental physical parameter and the environmental chemistry parameter is the Detection of Air Quality instrument of one, make its integration test and writing function strong, be easy to carry, simple to operate, have data acquisition, demonstration, figure, warning, storage and a communication function, can print measurement result at any time, cost is lower, is suitable for multiple environment measuring and measures application cheaply.

Technical solution adopted in the utility model is: a kind of Detection of Air Quality instrument comprises sensor, transmitter, multichannel recording instrument without paper, power of alterating and direct current, mini-printer, hand-held box body and cabinet.Sensor is made up of multipath environment physical parameter sensor and multipath environment chemical parameters sensor, and transmitter is made up of environmental physical parameter transmitter and environmental chemistry parameter transmitter.Multichannel recording instrument without paper and mini-printer are fixed on the front portion of cabinet, environmental physical parameter transmitter, environmental chemistry parameter sensors, environmental chemistry parameter transmitter and power of alterating and direct current are installed in the rear portion of cabinet, the environmental physical parameter sensor is installed in the hand-held box body, each signal of sensor end links to each other through the input end of transmitter with the multichannel recording instrument without paper respectively, the printer port and the mini-printer of multichannel recording instrument without paper join, and the PORT COM of multichannel recording instrument without paper is connected with computing machine.

The beneficial effects of the utility model are: because the utility model is fixed on each environmental physical parameter sensor in the same hand-held box body, and with the environmental chemistry parameter sensors, transmitter, the multichannel recording instrument without paper, the mini-printer aggregate erection is in same cabinet, make its integration test and writing function strong, be easy to carry, simple to operate, has real-time collection, large-sized solor numeral and graphic presentation, report to the police, data storing and unloading and communication function, can print measurement result at any time, cost is lower, is suitable for the Detection of Air Quality of multiple chamber (cabin) internal and external environment and measures application cheaply.

Description of drawings

Fig. 1 is the utility model square principle figure.

Fig. 2 is the utility model structure principle chart.

Fig. 3 is the principle of work block diagram of multichannel recording instrument without paper.

Fig. 4 is the terminal connection diagram of multichannel recording instrument without paper.

Embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is done to describe in further detail.

Detection of Air Quality instrument as shown in Figure 1 and Figure 2 is made of environmental physical parameter sensor 1, environmental chemistry parameter sensors 11, cabinet 2, environmental physical parameter transmitter 3, environmental chemistry parameter transmitter 31, multichannel recording instrument without paper 4, power of alterating and direct current 8, mini-printer 5 and hand-held box body 6.Environmental physical parameter sensor 1 can be matched arbitrarily in sensors such as temperature, relative humidity, wind speed, air pressure, illumination, noise as required, select four kinds of temperature, relative humidity, wind speed and air pressure in the present embodiment, union becomes to be installed on the other hand holds in the formula box body 6.Environmental chemistry parameter sensors 11 can be matched in sensors such as carbon monoxide, carbon dioxide, sulphuric dioxide, nitrogen dioxide, ozone, formaldehyde, benzene, ammonia or pellet as required, selects four kinds of carbon monoxide, carbon dioxide, sulphuric dioxide, nitrogen dioxide in the present embodiment.Environmental physical parameter transmitter 3, environmental chemistry parameter sensors 11, environmental chemistry parameter transmitter 31 and power of alterating and direct current 8 are installed in the rear portion of cabinet.It is the colored recording instrument without paper of commercially available HC-1000 that multichannel recording instrument without paper 4 is selected model for use, is that eight road color graphics liquid crystal displays show that the front panel of instrument is provided with function key, page turning key, markers key and memory button.The output signal end of environmental physical parameter sensor 1 and environmental chemistry parameter sensors 11 is connected respectively to the input end of environmental physical parameter transmitter 3 and environmental chemistry parameter transmitter 31 and is the input end that the simulating signal of 0-5V or 4-20mA outputs to multichannel recording instrument without paper 4 with detected analog signal conversion, the multichannel recording instrument without paper passes through the markers setting, function setting, memory is provided with, overload alarm is provided with and error correction, realization is to the real-time collection of detection signal, measured value shows, figure, storage and unloading, report to the police, printout, or join by communication interface and mini-printer, with the PC communication.

For the ease of carrying and monitoring, the bottom of hand-held box body 6 is equipped with a bolt cam frame 7, can extract the bolt cam frame during use and expose sensor, and is hand-holdable, also can place on the plane, after finishing using bolt cam frame and sensor regained.

Because the utility model is fixed on each environmental physical parameter sensor in the same hand-held box body, and with environmental chemistry parameter sensors, transmitter, multichannel recording instrument without paper, mini-printer aggregate erection in same cabinet, make its integration test and writing function strong, be easy to carry, simple to operate, large screen color liquid crystal is digital and graphic presentation, warning, data storing and unloading and communication function, can print at any time, cost is lower, is suitable for multiple environment measuring and measures application cheaply.

Fig. 3 is the principle of work block diagram of multichannel recording instrument without paper.It is the simulating signal of each road sensor input to be converted to through transmitter, filtering, amplification, A/D transducer send into single-chip microcomputer after the digital signal and handle, and passes through E ²The historical data of eight passages of PROM storage chip real-time storage record, be correlated with by button and be provided with and operation, the configuration interface that shows measured value, graphic picture and Chinesizing by the color graphics liquid crystal display, carry out data conversion storage by high speed USB 2.0 interfaces, print or communication by the standard serial mouth.Supplied by AC/DC electricity.

Fig. 4 is the terminal connection diagram of multichannel recording instrument without paper.J1 is the alarm relay output of 1-8 road, 24V feed and 220V AC power; J2 is the input of 1-8 channel signal, and each input channel all is made up of 3 terminal A, B, C; J3 is the communication terminal.

Claims

1, a kind of Detection of Air Quality instrument, comprise sensor, transmitter, the multichannel recording instrument without paper, power of alterating and direct current, mini-printer, hand-held box body and cabinet, it is characterized in that: described sensor is made up of multipath environment physical parameter sensor and multipath environment chemical parameters sensor, described transmitter is made up of environmental physical parameter transmitter and environmental chemistry parameter transmitter, described multichannel recording instrument without paper and mini-printer are fixed on the front portion of cabinet, the environmental physical parameter transmitter, the environmental chemistry parameter sensors, environmental chemistry parameter transmitter and power of alterating and direct current are installed in the rear portion of cabinet, the environmental physical parameter sensor is installed in the hand-held box body, each signal of sensor end links to each other through the input end of transmitter with the multichannel recording instrument without paper respectively, the printer port and the mini-printer of multichannel recording instrument without paper join, and the PORT COM of multichannel recording instrument without paper is connected with computing machine.

2, Detection of Air Quality instrument according to claim 1 is characterized in that: described environmental physical parameter sensor is any four kinds or multiple in temperature, relative humidity, wind speed, air pressure, illumination or the noise transducer.

3, Detection of Air Quality instrument according to claim 1 is characterized in that: described environmental chemistry parameter sensors is any four kinds or multiple in carbon monoxide, carbon dioxide, sulphuric dioxide, nitrogen dioxide, ozone, formaldehyde, benzene, ammonia or the pellet sensor.

4, Detection of Air Quality instrument according to claim 1 is characterized in that: described physical parameter sensor is integrated to be installed in the hand-held box body, and the bottom of this hand-held box body is fixed with a bolt cam frame.