CN209589768U - A kind of indoor gas detection analysis instrument - Google Patents
A kind of indoor gas detection analysis instrument Download PDFInfo
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- CN209589768U CN209589768U CN201920213309.7U CN201920213309U CN209589768U CN 209589768 U CN209589768 U CN 209589768U CN 201920213309 U CN201920213309 U CN 201920213309U CN 209589768 U CN209589768 U CN 209589768U
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- gas chamber
- sensor
- analysis instrument
- infrared
- detection analysis
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Abstract
The utility model discloses a kind of indoor gas detection analysis instruments, including shell, sampling structure, display screen, microprocessor and it is arranged in the intracorporal detection device of shell, detection device includes that detection device includes infrared CO sensor, PM2.5 laser sensor, formaldehyde sensor and reference gas chamber, by infrared CO sensor, PM2.5 laser sensor, electrochemistry formaldehyde sensor test mode by received signal after amplifier amplifies, by A/D converting transmission to microprocessor, the microprocessor transfers data to display screen.The utility model solves the problems, such as that indoor gas detection analysis instrument has a single function, and only needs a detection gas chamber, it will be able to which completion tests and analyzes multiple pollutant.
Description
Technical field
The utility model relates to gas detection technology fields, and in particular to a kind of indoor gas detection analysis instrument.
Background technique
It is many indoor since haze, indoor decorating, furniture add the situation that indoor air pollutants can be caused exceeded
Air pollutants can generate high risks to human body in a short time, and have then that incubation period is very long, and different pollutants pair
The harm of human body is also not quite similar, and therefore, may determine that the pollution feelings of indoor indices using indoor gas detection analysis instrument
Condition, and carry out targeted prevention and control measure.
Currently, existing indoor gas monitoring device can not meet strong to human body is influenced well because it has a single function
The environmental factor of health is detected, and when detecting to indoor gas, needs to buy multiple detections for being able to detect different pollutants
Analyzer will cause the waste of resource and the increase of use cost.The detection analysis instrument of present All-in-One uses electrochemistry side more
Formula detects pollutant, and needs to analyze pollutant using multiple gas chambers.
Therefore, how a kind of multi-functional indoor gas detection analysis instrument can be provided, can to multiple pollutant into
Row tests and analyzes, and only needs a detection gas chamber, becomes those skilled in the art's problem to be solved.
Utility model content
For the defects in the prior art, the utility model provides a kind of indoor gas detection analysis instrument, solves Indoor Air
The single problem of analyser function is surveyed in physical examination, and only needs a detection gas chamber, it will be able to complete to carry out multiple pollutant
It tests and analyzes.
To achieve the goals above, the technical solution adopted in the utility model is: a kind of indoor gas detection analysis instrument, packet
Shell, sampling structure, display screen, microprocessor and setting are included in the intracorporal detection device of shell, the sampling structure is that pump is inhaled
Formula, including pass through the sequentially connected thief hatch of connecting pipe, aspiration pump, measurement gas chamber and gas outlet, the thief hatch and outlet
Mouth is arranged outside shell, and the measurement gas chamber is arranged in shell；The detection device include infrared CO sensor, PM2.5 swash
Optical sensor, formaldehyde sensor and reference gas chamber, the reference gas chamber are arranged in parallel with measurement gas chamber；The formaldehyde sensor sense
Answer portion's setting in measurement gas chamber, outside measurement gas chamber, infrared CO sensor includes infrared light for the infrared CO sensor setting
Source, optical filter, measurement gas chamber infrared detector and reference gas chamber infrared detector, the infrared light supply are worn after optical filter filters
It crosses measurement gas chamber to be irradiated on measurement gas chamber infrared detector, infrared light supply passes through reference gas chamber after optical filter filters and is irradiated to
On reference gas chamber infrared detector；Outside measurement gas chamber, PM2.5 laser sensor includes for the PM2.5 laser sensor setting
Laser and photodetection, the laser of the laser pass through measurement gas chamber and are irradiated on photodetector；The infrared CO is passed
Sensor, PM2.5 laser sensor, formaldehyde sensor received signal are after amplifier amplifies, by A/D converting transmission to micro- place
Device is managed, the microprocessor transfers data to display screen.
Preferably, the measurement gas chamber air inlet is lower than measurement gas chamber venthole.
Preferably, the infrared light supply direction of illumination and the measurement indoor gas flow direction of gas are in the same direction, and the PM2.5 swashs
Optical sensor laser illumination direction is vertical with the measurement indoor gas flow direction of gas.
Preferably, the formaldehyde sensor uses electrochemistry formaldehyde sensor.
Preferably, the aspiration pump is arranged inside housings.
It preferably, further include wireless transport module, the wireless transport module will test numerical value by wireless transmission signal
External connection device is sent to show detection numerical value.
Preferably, the wireless transport module is a WIFI module, a bluetooth module, a radio frequency identification module and one
Near field communication module it is at least one of.
Preferably, the indoor gas detection analysis instrument further includes warning device, the warning device include buzzer with
Vibrating motor, report warning device setting in shell lower end, the input terminal and microprocessor of the buzzer and vibrating motor it is defeated
Outlet electrical connection.
Preferably, lithium battery is arranged in the enclosure interior, and the lithium battery is all modules of indoor gas detection analysis instrument
Electric energy is provided.
The beneficial effects of the utility model are embodied in:
1. using multiple gases sensor, solve the problems, such as that indoor gas detection analysis instrument has a single function, to interior
When gas detection, multiple pollutant can be tested simultaneously and alarmed.A variety of dirts are ensured that additionally by a measurement gas chamber
Dye gas (formaldehyde, PM2.5 and CO) measures simultaneously, by using PM2.5 laser sensor, electrochemistry formaldehyde sensor, infrared
The measurement method of CO sensor, can be improved measurement accuracy.
2. electrochemistry formaldehyde is arranged in measurement gas chamber, infrared CO sensor and PM2.5 laser sensing the utility model
The mode outside measurement gas chamber is arranged in device, reaches the mesh that can only reach test contaminant content using only a measurement gas chamber
's.
3. use wireless transport module, can remote transmission measurement structure, do not need using the end wired connection PC.
4. warning device can remind tester to pay attention in time in detection data exception.
5. can not use external power supply using lithium battery can be to provide electric energy for analyzer.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar
Element or part are generally identified by similar appended drawing reference.In attached drawing, each element or part might not be according to actual ratios
It draws.
Fig. 1 is the structural schematic diagram for the indoor gas check analysis instrument that the utility model embodiment one provides；
Fig. 2 is the schematic diagram for the indoor gas check analysis instrument comprising modules that the utility model embodiment one provides；
Fig. 3 is the structural schematic diagram for the indoor gas check analysis instrument that the utility model embodiment two provides.
In figure: 1- shell, 2- thief hatch, 3- aspiration pump, 4- measure gas chamber, the gas outlet 5-, 6- formaldehyde sensor, 7- reference
Gas chamber, 8- infrared light supply, 9- optical filter, 10- reference gas chamber infrared detector, 11- measure gas chamber infrared detector, 12- laser
Device, 13- photodetector.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation
Novel protection scope.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this reality
The ordinary meaning understood with novel one of ordinary skill in the art.
Embodiment one
Such as Fig. 1 as shown in Fig. 2, present embodiments providing a kind of indoor gas detection analysis instrument, including shell 1, sampling knot
Structure, display screen, microprocessor and the detection device being arranged in shell 1, sampling structure is pump suction type, including passes through connecting tube
The sequentially connected thief hatch 2 in road, aspiration pump 3, measurement gas chamber 4 and gas outlet 5, thief hatch 2 and gas outlet 5 are arranged pushes up in shell 1
Portion, aspiration pump 3 and measurement gas chamber 4 are arranged inside shell 1, measure the air inlet setting lower left of gas chamber, and venthole setting exists
Upper right side.
Detection device includes infrared CO sensor, PM2.5 laser sensor, formaldehyde sensor 6 and reference gas chamber 7, reference
Gas chamber 7 is arranged in parallel with measurement gas chamber 4；Formaldehyde sensor 6 uses electrochemistry formaldehyde sensor, and induction part setting is in measurement gas
4 inside left of room, the setting of infrared CO sensor outside measurement gas chamber 4, infrared CO sensor include infrared light supply 8, optical filter 9,
Gas chamber infrared detector 11 and reference gas chamber infrared detector 10 are measured, infrared light supply 8 passes through measurement gas after the optical filtering of optical filter 9
Room 4 is irradiated on measurement gas chamber infrared detector 11, and infrared light supply 8 passes through reference gas chamber 7 after optical filter optical filtering 4 and is irradiated to ginseng
Than on gas chamber infrared detector 10, wavelength of the infrared ray that infrared light supply generates after filtering is 4.57um, and infrared detector connects
The wavelength for receiving 4.57um is analyzed.
For the setting of PM2.5 laser sensor outside measurement gas chamber 4, PM2.5 laser sensor includes that laser 12 and photoelectricity are visited
Device 13 is surveyed, the laser of laser 12 passes through measurement gas chamber 4 and is irradiated on photodetector 13；Infrared CO sensor infrared light supply 8
Gas flow direction in direction of illumination and measurement gas chamber 4 is in the same direction, the PM2.5 laser sensor laser illumination direction and survey
The gas flow direction for measuring gas chamber 4 is vertical.
Infrared CO sensor, PM2.5 laser sensor, 6 received signal of formaldehyde sensor are passed through after amplifier amplifies
For A/D converting transmission to microprocessor, the microprocessor transfers data to display screen.
Wireless transport module, the wireless transport module will test numerical value by wireless transmission signal and be sent to external connection
Device is to show detection numerical value.
The working principle of this device is: aspiration pump will need the air measured to be pumped into measurement by thief hatch, connecting pipe
Gas chamber, the formaldehyde tester that measurement gas chamber is arranged in are used to measure analysis content of formaldehyde, and the infrared CO that measurement gas chamber is arranged in is passed
The influence value for measuring gas chamber is compared by sensor with the influence value of reference gas chamber, and measured signal is turned by amplifier and A/D
Parallel operation passes to processor and calculates CO content, and then is transmitted to LCD screen and is shown, the work of PM2.5 laser sensor is former
Reason is to generate the scattering phenomenon of light under the irradiation of light using particle and molecule, at the same time, also absorbs partial illumination light
Energy will receive the influence for scattering and absorbing around particle when a branch of collimated monochromatic ligth is incident on tested particle field, and light intensity will
It is attenuated.It can thus acquire relative attenuation rate of the incident light by concentration field to be measured, and the size energy of relative attenuation rate
The relative concentration of linear response field dust to be measured measures PM2.5 concentration with this.
Embodiment two
As shown in figure 3, a kind of indoor gas detection analysis instrument provided in this embodiment, structure and the basic phase of embodiment one
Together, the difference is that aspiration pump 3 is arranged in the outer upper side of shell 1.It is arranged and is conveniently replaceable disassembly aspiration pump in hull outside.
As those skilled in the art, it is well known that wireless transmission can also be arranged in this room people's gas detection analyzer
Module, wireless transport module will test numerical value by wireless transmission signal and be sent to external connection device to show detection numerical value.
The wireless transport module can be a WIFI module, a bluetooth module, a radio frequency identification module and a near field communication module
One of.
This indoor gas detection analysis instrument can also include buzzer and vibration in 1 lower end warning device of shell, warning device
Dynamic motor, buzzer are electrically connected with the input terminal of vibrating motor with the output end of microprocessor.When detected value is exceeded, pass through report
Alarm device is reminded.
The power supply of this indoor gas detection analysis instrument can use AC power source, and lithium electricity can also be arranged inside shell 1
Pond provides electric energy by lithium battery for all modules of indoor gas detection analysis instrument.
As those skilled in the art, it is well known that the sensor of the present apparatus, processor working method are existing skill
Art, as patent authorization number CN 208283325U describe in detail PM2.5 detection circuit, CO detection circuit, formaldehyde examination circuit with
The working principle of microprocessor.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Claims (9)
1. a kind of indoor gas detection analysis instrument, including shell (1), sampling structure, display screen, microprocessor and setting are in shell
Detection device in body (1), it is characterised in that: the sampling structure is pump suction type, including sequentially connected by connecting pipe
Thief hatch (2), aspiration pump (3), measurement gas chamber (4) and gas outlet (5), the thief hatch (2) and gas outlet (5) are arranged in shell
(1) outside, measurement gas chamber (4) setting is in shell (1)；The detection device includes infrared CO sensor, PM2.5 laser
Sensor, formaldehyde sensor (6) and reference gas chamber (7), the reference gas chamber (7) are arranged in parallel with measurement gas chamber (4)；The formaldehyde
The setting of sensor (6) induction part is in measurement gas chamber (4), and the infrared CO sensor setting is measuring gas chamber (4) outside, infrared CO
Sensor includes two infrared light supplies (8), optical filter (9), measurement gas chamber infrared detector (11) and reference gas chamber infrared acquisition
Device (10), one of them described infrared light supply (8) pass through measurement gas chamber (4) after optical filter (9) filter and are irradiated to measurement gas chamber
On infrared detector (11), another described infrared light supply (8) passes through reference gas chamber (7) after optical filter (9) filter and irradiates
Onto reference gas chamber infrared detector (10)；The PM2.5 laser sensor setting is measuring gas chamber (4) outside, PM2.5 laser
Sensor includes laser (12) and photodetector (13), and the laser of the laser (12) passes through measurement gas chamber (4) and is irradiated to
On photodetector (13)；The infrared CO sensor, PM2.5 laser sensor, formaldehyde sensor (6) received signal are through putting
After big device amplification, by A/D converting transmission to microprocessor, the microprocessor transfers data to display screen.
2. a kind of indoor gas detection analysis instrument according to claim 1, it is characterised in that: the measurement gas chamber air inlet
Lower than measurement gas chamber venthole.
3. a kind of indoor gas detection analysis instrument according to claim 1, it is characterised in that: the infrared light supply (8) is shone
The gas flow direction penetrated in direction and measurement gas chamber (4) is in the same direction, the PM2.5 laser sensor laser illumination direction and survey
The gas flow direction measured in gas chamber (4) is vertical.
4. a kind of indoor gas detection analysis instrument according to claim 1, it is characterised in that: described
Formaldehyde sensor (6) uses electrochemistry formaldehyde sensor.
5. a kind of indoor gas detection analysis instrument according to claim 1, it is characterised in that: the aspiration pump is arranged in shell
Body (1) is internal.
6. a kind of indoor gas detection analysis instrument according to claim 1, it is characterised in that: further include wireless transmission mould
Block, the wireless transport module will test numerical value by wireless transmission signal and be sent to external connection device to show testing number
Value.
7. a kind of indoor gas detection analysis instrument according to claim 6, it is characterised in that: the wireless transport module is
One WIFI module, a bluetooth module, a radio frequency identification module and a near field communication module it is at least one of.
8. a kind of indoor gas detection analysis instrument according to claim 1, it is characterised in that: the indoor gas detection point
Analyzer further includes warning device, and the warning device includes buzzer and vibrating motor, and warning device is arranged under shell (1)
End, the buzzer are electrically connected with the input terminal of vibrating motor with the output end of microprocessor.
9. a kind of indoor gas detection analysis instrument according to claim 1-8, it is characterised in that: the shell
(1) internal that lithium battery is arranged, the lithium battery provides electric energy for all modules of indoor gas detection analysis instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920213309.7U CN209589768U (en) | 2019-02-19 | 2019-02-19 | A kind of indoor gas detection analysis instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920213309.7U CN209589768U (en) | 2019-02-19 | 2019-02-19 | A kind of indoor gas detection analysis instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209589768U true CN209589768U (en) | 2019-11-05 |
Family
ID=68355748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920213309.7U Expired - Fee Related CN209589768U (en) | 2019-02-19 | 2019-02-19 | A kind of indoor gas detection analysis instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209589768U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111272699A (en) * | 2020-03-31 | 2020-06-12 | 郑州尚诺环保科技有限公司 | Touch screen type portable gas analysis device and method for biogas component detection |
| CN112198197A (en) * | 2020-10-13 | 2021-01-08 | 海南聚能科技创新研究院有限公司 | Formaldehyde gas sensor module |
| CN114354849A (en) * | 2021-12-27 | 2022-04-15 | 汉威科技集团股份有限公司 | Multi-cavity gas detection device and implementation method thereof |
-
2019
- 2019-02-19 CN CN201920213309.7U patent/CN209589768U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111272699A (en) * | 2020-03-31 | 2020-06-12 | 郑州尚诺环保科技有限公司 | Touch screen type portable gas analysis device and method for biogas component detection |
| CN112198197A (en) * | 2020-10-13 | 2021-01-08 | 海南聚能科技创新研究院有限公司 | Formaldehyde gas sensor module |
| CN114354849A (en) * | 2021-12-27 | 2022-04-15 | 汉威科技集团股份有限公司 | Multi-cavity gas detection device and implementation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191105 Termination date: 20220219 |