CN205749273U - A kind of indoor harmful gas concentration measurement apparatus - Google Patents
A kind of indoor harmful gas concentration measurement apparatus Download PDFInfo
- Publication number
- CN205749273U CN205749273U CN201620708650.6U CN201620708650U CN205749273U CN 205749273 U CN205749273 U CN 205749273U CN 201620708650 U CN201620708650 U CN 201620708650U CN 205749273 U CN205749273 U CN 205749273U
- Authority
- CN
- China
- Prior art keywords
- sensor
- gas
- measurement apparatus
- gas sensor
- concentration measurement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
This utility model provides a kind of indoor harmful gas concentration measurement apparatus, including detection probe, dust filter unit, gas sensor, central processing unit, audible-visual annunciator, LED display and mini-printer；Multiple air inlet it is evenly arranged with in described detection probe, described detection probe, dust filter unit, gas sensor and central processing unit are linked in sequence, described central processing unit is connected with audible-visual annunciator, LED display, mini-printer respectively, described gas sensor is made up of formaldehyde gas sensor, nitrogen dioxide gas sensor, sulfur dioxide gas body sensor, CO gas sensor, benzene gas sensor, dimethylbenzene gas sensor, described sensor is infrared gas sensor, and described central processing unit is AT89C51 single-chip microcomputer.This utility model is practical, and detection limit is low, and detection data are accurate, and economic serviceability is strong, with low cost, easy to carry.
Description
Technical field
This utility model belongs to a kind of air and measures apparatus field, particularly relates to a kind of indoor harmful gas concentration and measures
Device.
Background technology
Along with people's living standard improve constantly, people live house, office, hotel so that Factory Building all carry out
Powdering in various degree and finishing.But owing to finishing material contains substantial amounts of organic compound, it the most constantly volatilizees and is mixed into
In indoor air, cause suitable harm to human body.
It addition, factory and automobile are the most continuously to airborne release flue gas in city, these flue gases are no lack of containing
Some poisonous gases, are mixed among air and the most frequently waft into indoor, the Health and Living of human body is constituted potential threat, because of
This, it is necessary to harmful gas kind that sensing chamber is contained within and content, in order to adopt an effective measure in time.
Although there being some IAQ (indoor air quality) measuring instruments in the market, but often can only detect a kind of poisonous and harmful gas
Body, such as formaldehyde etc., but indoor may generally also exist multiple toxic and harmful.Even if individual other instrument can detect several simultaneously
Planting toxic gas, but because of structure imperfection, accuracy and sensitivity all has much room for improvement, and instrument integrated operation is complicated, price is high
High, detection process time is the longest.
Utility model content
In order to solve problem of the prior art, this utility model provide one can detect simultaneously six kinds of toxic and harmfuls,
Highly sensitive, the indoor harmful gas concentration measurement apparatus of liquid crystal display.
The technical solution of the utility model is as follows:
A kind of indoor harmful gas concentration measurement apparatus, including detection probe, dust filter unit, gas sensor, central authorities
Processor, audible-visual annunciator, LED display and mini-printer；Multiple air inlet, institute it is evenly arranged with in described detection probe
State detection probe, dust filter unit, gas sensor and central processing unit to be linked in sequence, described central processing unit respectively with acousto-optic
Alarm, LED display, mini-printer connect, and described gas sensor is passed by formaldehyde gas sensor, nitrogen dioxide gas
Sensor, sulfur dioxide gas body sensor, CO gas sensor, benzene gas sensor, dimethylbenzene gas sensor form,
Described sensor is infrared gas sensor, and described central processing unit is AT89C51 single-chip microcomputer.
Preferably, described indoor harmful gas concentration measurement apparatus is additionally provided with temperature sensor, described temperature sensor
It is connected with central processing unit；
Preferably, described indoor harmful gas concentration measurement apparatus is additionally provided with humidity sensor, described humidity sensor
It is connected with central processing unit；
Preferably, described audible-visual annunciator is made up of light emitting diode and micro buzzer-phone；
Preferably, described indoor harmful gas concentration measurement apparatus is additionally provided with relay indicating light；
Preferably, the concentration of institute's detected gas is 1-1500ppb.
Compared with the existing technology, this utility model has the following advantages and beneficial effect:
1, practical, highly sensitive, detection limit is low, and detection data are accurate, detection quickly, can detect simultaneously formaldehyde, two
Toxic and harmful in nitrogen oxide, sulfur dioxide, carbon monoxide, benzene and six kinds of air of dimethylbenzene.
2, economic serviceability is strong, with low cost, easy to carry, daily need not safeguard, wherein dust filter unit crosses air filtering
In solid particle and impurity, it is to avoid solid particle in air and impurity blocking gas sensor, effectively extend this practicality newly
Type service life.
3, this utility model safety is high, nontoxic, there is not any potential safety hazard, is suitable for onsite application.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, required in embodiment being described below
The accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only embodiment of the present utility model, right
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain according to the accompanying drawing provided
Other accompanying drawing.
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
The utility model is described in further detail for embodiment shown in below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of indoor harmful gas concentration measurement apparatus, detection probe, dust filter unit, gas sensing
Device, central processing unit, audible-visual annunciator, LED display and mini-printer；Be evenly arranged with in described detection probe multiple enter
Pore, described detection probe, dust filter unit, gas sensor and central processing unit be linked in sequence, and described central processing unit divides
Not being connected with audible-visual annunciator, LED display, mini-printer, described gas sensor is by formaldehyde gas sensor, titanium dioxide
Nitrogen sensor, sulfur dioxide gas body sensor, CO gas sensor, benzene gas sensor, dimethylbenzene gas pass
Sensor forms, and described sensor is infrared gas sensor, and described central processing unit is AT89C51 single-chip microcomputer.Additionally, it is described
Indoor harmful gas concentration measurement apparatus is additionally provided with temperature sensor and humidity sensor, described temperature sensor and humidity and passes
Sensor is connected with central processing unit respectively；Described audible-visual annunciator is made up of light emitting diode and micro buzzer-phone；Described indoor
Harmful gas concentration measurement apparatus is additionally provided with relay indicating light.
During use, the air inlet that gas is popped one's head in after testing enters, and enters each infrared gas sensor by dust filter unit
In, each infrared gas sensor is respectively by the detection data of formaldehyde, nitrogen dioxide, sulfur dioxide, carbon monoxide, benzene and dimethylbenzene
Sending central processing unit to, the transmission of harmful gas data is carried out respectively by central processing unit to LED display and mini-printer
Display and printing are retained；When one or more harmful gass exceed standard, central processing unit sends instructions to audible-visual annunciator, sound
Light crossing-signal startup sends acousto-optic and warns, and the concentration of institute's detected gas is 1-1500ppb；Described relay indicating light is used for showing
Showing that indoor harmful gas concentration measurement apparatus is the most working properly, when described device is working properly, described relay indicating light is normal
Bright.
Although detailed description of the invention of the present utility model is described by the above-mentioned accompanying drawing that combines, but not new to this practicality
The restriction of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not to pay various amendments or deformation that creative work can make still at protection model of the present utility model
Within enclosing.
Claims (6)
1. an indoor harmful gas concentration measurement apparatus, it is characterised in that include that detection probe, dust filter unit, gas pass
Sensor, central processing unit, audible-visual annunciator, LED display and mini-printer；It is evenly arranged with multiple in described detection probe
Air inlet, described detection probe, dust filter unit, gas sensor and central processing unit be linked in sequence, described central processing unit
Being connected with audible-visual annunciator, LED display, mini-printer respectively, described gas sensor is by formaldehyde gas sensor, dioxy
Change nitrogen sensor, sulfur dioxide gas body sensor, CO gas sensor, benzene gas sensor, dimethylbenzene gas
Sensor forms, and described sensor is infrared gas sensor, and described central processing unit is AT89C51 single-chip microcomputer.
2. to go a kind of indoor harmful gas concentration measurement apparatus as described in 1 such as right, it is characterised in that described indoor are harmful to gas
Bulk concentration measurement apparatus is additionally provided with temperature sensor, and described temperature sensor is connected with central processing unit.
3. to go a kind of indoor harmful gas concentration measurement apparatus as described in 1 such as right, it is characterised in that described indoor are harmful to gas
Bulk concentration measurement apparatus is additionally provided with humidity sensor, and described humidity sensor is connected with central processing unit.
4. to go a kind of indoor harmful gas concentration measurement apparatus as described in 1 such as right, it is characterised in that described audible-visual annunciator
It is made up of light emitting diode and micro buzzer-phone.
5. to go a kind of indoor harmful gas concentration measurement apparatus as described in 1 such as right, it is characterised in that described indoor are harmful to gas
Bulk concentration measurement apparatus is additionally provided with relay indicating light.
6. to go a kind of indoor harmful gas concentration measurement apparatus as described in 1 such as right, it is characterised in that institute's detected gas dense
Degree is 1-1500ppb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620708650.6U CN205749273U (en) | 2016-07-06 | 2016-07-06 | A kind of indoor harmful gas concentration measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620708650.6U CN205749273U (en) | 2016-07-06 | 2016-07-06 | A kind of indoor harmful gas concentration measurement apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205749273U true CN205749273U (en) | 2016-11-30 |
Family
ID=57377447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620708650.6U Expired - Fee Related CN205749273U (en) | 2016-07-06 | 2016-07-06 | A kind of indoor harmful gas concentration measurement apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205749273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562697A (en) * | 2018-03-30 | 2018-09-21 | 歌尔股份有限公司 | A kind of indoor harmful gas monitoring device |
-
2016
- 2016-07-06 CN CN201620708650.6U patent/CN205749273U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562697A (en) * | 2018-03-30 | 2018-09-21 | 歌尔股份有限公司 | A kind of indoor harmful gas monitoring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2472110A1 (en) | Detector with dust filter and airflow monitor | |
| DE602007010329D1 (en) | APPARATUS AND METHOD FOR AMBIENT MONITORING | |
| CN106353452A (en) | Online monitoring system of volatile organic compound | |
| CN106501143A (en) | A kind of measuring instrument with gas concentration and powder concentration measurement function | |
| CN206470157U (en) | Measuring instrument with gas concentration and powder concentration measurement function | |
| CN104359852A (en) | CO, CO2 and SO2 three-component infrared integrated gas sensor | |
| CN108801341A (en) | A kind of Indoor Environment Detection system | |
| CN205749273U (en) | A kind of indoor harmful gas concentration measurement apparatus | |
| CN206421543U (en) | Room air detection means | |
| CN203941147U (en) | Determining instrument of indoor air quality | |
| CN204649614U (en) | A kind of CO, CO 2, SO 2the infrared integrated gas sensors of three components | |
| CN110044836A (en) | FUSION WITH MULTISENSOR DETECTION device towards toxic gas | |
| Meier et al. | Qualification of air sampler systems: the MAS-100 | |
| CN104792934A (en) | Chemical workshop gas concentration detecting apparatus | |
| Cortez et al. | Development of formaldehyde detector | |
| CN211505378U (en) | Multifunctional multi-scene indoor environment monitor | |
| CN208224195U (en) | A kind of spark detection alarm | |
| WO2019203117A1 (en) | Work environment integrated management system and work environment integrated management method | |
| CN207408299U (en) | For detecting the portable fast detector of fumigant | |
| CN106198333A (en) | A kind of soot emissions continuous monitor system | |
| CN205785967U (en) | A kind of dust sampler | |
| CN203630147U (en) | Air-suspension chemical substance measuring instrument | |
| CN201876448U (en) | Toxic gas detector for chemical laboratory | |
| CN207457173U (en) | A kind of room air detector | |
| Slagley et al. | Evaluation of coverall field dry aerosol decontamination methods using a manikin |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20170706 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |