CN207742181U - Portable air mass detecting instrument - Google Patents
Portable air mass detecting instrument Download PDFInfo
- Publication number
- CN207742181U CN207742181U CN201820090701.2U CN201820090701U CN207742181U CN 207742181 U CN207742181 U CN 207742181U CN 201820090701 U CN201820090701 U CN 201820090701U CN 207742181 U CN207742181 U CN 207742181U
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- Prior art keywords
- gas
- air
- detecting device
- passage
- type gas
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- 238000001514 detection method Methods 0.000 claims abstract description 45
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 15
- 239000004973 liquid crystal related substance Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 5
- 239000003570 air Substances 0.000 description 70
- 210000000234 capsid Anatomy 0.000 description 7
- 238000007689 inspection Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses a kind of portable air mass detecting instruments, the detector offers the main gas passage in "×" type four-way shape structure being connected to the auxiliary gas passage of independent two " V " shape structures in dual-channel type gas-detecting device in shell, air duct is passed in and out to form two independent V-types in shell, so that the air-flow of disengaging detector shell is more smooth, and single-orifice type gas-detecting device is located in air intake passage, it can more fast and accurately detect indoor air quality, traditional detection instrument is avoided in the case where not setting the main gas passage of "×" type four-way shape structure, because of the problem of mixed wind-induced measurement is relatively slow and measurement error.
Description
Technical field
The utility model is related to a kind of instrument for detecting air quality more particularly to a kind of detection are accurate and quick
Portable air mass detecting instrument belongs to Detection of Air Quality equipment technical field.
Background technology
With the continuous improvement of people's living standards, resident especially lives for ambient air quality and workplace
Indoor air quality is increasingly paid attention to, therefore occurs a variety of detectors for detecting air quality on the market.
Currently used air quality detector is opened up on an empty capsid into and out of stomata, then in the sky mostly
The various detection devices of installing in shell, such as formaldehyde examination device, PM2.5 detection devices, temperature-detecting device, Humidity Detection dress
It sets, CO2Detection device, TVOC detection devices etc. make gas using the fan or the fan that is located in empty capsid of detection device itself
Body flows, and the content of each pollutant component in air is detected in gas flow.Current existing various detection devices
Following a few classes can be divided into：Single channel type gas-detecting device, dual-channel type gas-detecting device and single-orifice type gas detection dress
It sets.Wherein single channel type gas-detecting device is the detection device for being provided only with a gas access way, the inspection of dual-channel type gas
Survey device is the detection device equipped with two independent gas access ways, and single hole gas-detecting device is only to offer air inlet
The detection device in hole.Common double-channel gas detection device is PM2.5 detection devices, common single-orifice type gas-detecting device
Including but not limited to formaldehyde examination device, temperature-detecting device, humidity detector, CO2Detection device, TVOC detection devices
Deng.
As people are more and more to the concern of PM2.5 contents in air, PM2.5 detection devices become current existing sky
Indispensable component in gas mass detecting instrument.But existing air quality detector, only (especially by above-mentioned detection device
PM2.5 detection devices) it is installed in empty capsid, the air for detection is all full of in entire empty capsid, although have
The gas flow direction in adjustment empty capsid is Usingd the fan to, but since empty capsid inner space is larger and is internally provided with various portions
Part can make air-flow generate turbulent flow, the case where to cause mixed wind in empty capsid, cause detection inaccurate, therefore, it is difficult to by this
The portable air quality detector of kind uses in the occasion for needing more accurately to measure air quality.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of portable air mass detecting instrument, the detector
It is simple in structure, it is easy to carry, more it can detect accurately and quickly air quality.
The technical solution of the utility model is：
A kind of portable air mass detecting instrument, including
One shell, offer in the shell one be in "×" type four-way shape structure main gas passage, the main gas passage
Four be opened in formed in the peripheral side of the shell portable air mass detecting instrument two air intake vents and
Two air outlets, and the crossover sites of main gas passage "×" type four-way shape structure are formed with accommodating area；
One dual-channel type gas-detecting device, dual-channel type gas-detecting device positioning are set at the accommodating area, and
Two independent auxiliary gas passages in " V " shape structure, every auxiliary gas are offered in the dual-channel type gas-detecting device
The air inlet in body channel is connected to form air intake passage with an air intake vent of the main gas passage, every auxiliary gas passage
Gas outlet be connected to form air-out passage with an air outlet of the main gas passage；With
Several single-orifice type gas-detecting devices, the single-orifice type gas-detecting device, which positions, is set to the air intake passage
On, and the air admission hole of the single-orifice type gas-detecting device is towards the air intake passage.
Its further technical solution is：
The dual-channel type gas-detecting device is PM2.5 detection devices.
The single-orifice type gas-detecting device is CO2Detection device, TVOC detection devices, temperature-detecting device, humidity inspection
Survey at least one of device and formaldehyde examination device.
Positioning is equipped with a liquid crystal display for showing testing result on the upper surface of the shell.
Positioning is equipped with a control circuit board, the dual-channel type gas inspection at liquid crystal display upwards in the shell
Surveying device, single-orifice type gas-detecting device and liquid crystal display should connect with control circuit board.
The advantageous effects of the utility model are：Portable air mass detecting instrument described herein, in shell
Offer be connected to the auxiliary gas passage of independent two " V " shape structures in dual-channel type gas-detecting device be in "×" type four-way
The main gas passage of shape structure passes in and out air duct so that disengaging detector shell to form two independent V-types in shell
Air-flow is more smooth, and single-orifice type gas-detecting device is located in air intake passage, can more fast and accurately detect room
Interior air quality avoids traditional detection instrument in the case where not setting the main gas passage of "×" type four-way shape structure, because mixing wind
Caused the problem of measuring relatively slow and measurement error.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model；
Fig. 2 is the utility model radial section schematic cross-sectional view, and arrow direction as shown in the figure is gas flow direction；
Wherein：
1- shells；The main gas passages of 101-；102- air intake vents；103- air outlets；The accommodating areas 104-；105- liquid crystal displays
Screen；
2- dual-channel type gas-detecting devices；The auxiliary gas passages of 201-；202- air inlets；The gas outlets 203-；
3- single-orifice type gas-detecting devices；301- air admission holes；
4- air intake passages；
5- air-out passages.
Specific implementation mode
In order to understand the technical means of the present invention more clearly, it and can be implemented in accordance with the contents of the specification,
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail, following embodiment is used
In illustrating the utility model, but it is not intended to limit the scope of the present invention.
This specific embodiment describes a kind of portable air mass detecting instrument in detail, which includes one
Shell 1, a dual-channel type gas-detecting device 2 and several single-orifice type gas-detecting devices 3.
Its middle casing 1 can be in it is any be convenient for carrying, the shape of appearance looks elegant, this specific embodiment middle casing in circle rouse
Shape, appearance looks elegant and compact, it is easy to carry.It is logical in the main gas of "×" type four-way shape structure that one is offered in the shell 1
Four branches in road 101, the main gas passage extend in the circumferential lateral surface of shell, and four of the main gas passage open
Formed in the peripheral side of shell 1 herein described portable air mass detecting instrument two air intake vents 102 and two
Air outlet 103.Above-mentioned air intake vent and air outlet are to correspond to open up at air intake vent and air outlet on shell in this specific embodiment
At the venthole being connected to respectively with air intake vent and air outlet, air-flow is passed in and out through venthole in main gas passage.In addition in main gas
The crossover sites of channel "×" type four-way shape structure are formed with accommodating area 104, i.e. four branches of "×" type structure cross intercommunication
It is accommodating area at point, convenient for placing the follow-up dual-channel type gas-detecting device 2.
The positioning of dual-channel type gas-detecting device 2 is set at the accommodating area, this has been described in front.This specific implementation
Dual-channel type gas-detecting device 2 used in example is preferably PM2.5 detection devices, can also be other dual-channel type gas
Body detection device, this can be selected according to the object difference of detection air quality.Described dual-channel type gas
Two independent auxiliary gas passages 201 in " V " shape structure, the air inlet of every auxiliary gas passage are offered in detection device
Mouth 202 is connected to form air intake passage 4 with an air intake vent of the main gas passage, the gas outlet of every auxiliary gas passage
203 are connected to form air-out passage 5 with an air outlet of the main gas passage.This in this specific embodiment two is independent to be in
In arrangement, two apexes are disposed proximate to but are not connected to the auxiliary gas passage of " V " shape structure, and the auxiliary gas passage of two to have arranged is just
Good corresponding with the first half of main gas passage "×" type four-way shape structure and lower half, then the air inlet of two auxiliary gas passages is equal
It is just connected to the air intake vent of main gas passage, the gas outlet of two auxiliary gas passages just connects with the air outlet of main gas passage
It is logical.One section of main gas passage in shell between air inlet and air intake vent becomes air intake passage 4, is located at gas outlet in shell
One section of main gas passage between air outlet becomes air-out passage 5.
Several single-orifice type gas-detecting devices 3 described herein position on aforementioned air intake passage 4, and single hole
The air admission hole 301 of type gas-detecting device facilitates the air-flow in air intake passage to enter the air admission hole towards air intake passage.It is this
The entire detection device of single-orifice type gas-detecting device undesirable gas flow, it is only necessary to have unidirectional air admission hole that gas is made to touch
Detection member.Single-orifice type gas-detecting device 3 in this specific embodiment is CO2Detection device, TVOC detection devices, temperature
At least one of detection device, humidity detector and formaldehyde examination device can also be other single-orifice type gas detections
Device, this can also be selected according to the object difference of detection air quality.
In addition the portable air mass detecting instrument described in this specific embodiment is positioned on the upper surface of shell 1 and is equipped with
One liquid crystal display 105 for showing testing result, and positioning is equipped with a control at liquid crystal display upwards in shell
Circuit board, dual-channel type gas-detecting device, single-orifice type gas-detecting device and liquid crystal display above-mentioned should be with control electricity
Road plate connection.By testing result include in liquid by the control of control circuit board when various gas-detecting devices, which detect, to be completed
On crystal display screen, testing staff is facilitated to see result.
Portable air mass detecting instrument described herein offers and dual-channel type gas-detecting device in shell
The main gas passage in "×" type four-way shape structure of the interior auxiliary gas passage connection of independent two " V " shape structures, in shell
Two independent V-types are formed in vivo and pass in and out air ducts so that the air-flow of disengaging detector shell is more smooth, and by single-orifice type gas
Detection device is located in air intake passage, can more fast and accurately detect indoor air quality, avoids traditional detection instrument
In the case where not setting the main gas passage of "×" type four-way shape structure, asked because mixed wind-induced measurement is relatively slow and measurement error
Topic.
The above is only the preferred embodiment of the utility model, is not intended to limit the utility model, it is noted that
For those skilled in the art, without deviating from the technical principle of the utility model, it can also do
Go out several improvements and modifications, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (5)
1. a kind of portable air mass detecting instrument, it is characterised in that：Including
One shell (1), offer in the shell one be in "×" type four-way shape structure main gas passage (101), the main gas is logical
Four of road are opened in two inlet airs that the portable air mass detecting instrument is formed in the peripheral side of the shell
Mouth (102) and two air outlets (103), and the crossover sites of main gas passage "×" type four-way shape structure are formed with accommodating area
(104)；
One dual-channel type gas-detecting device (2), dual-channel type gas-detecting device positioning are set at the accommodating area, and should
Two independent auxiliary gas passages (201) in " V " shape structure are offered in dual-channel type gas-detecting device, every described auxiliary
The air inlet (202) of gas passage is connected to form air intake passage (4) with an air intake vent of the main gas passage, described in every
The gas outlet (203) of auxiliary gas passage is connected to form air-out passage (5) with an air outlet of the main gas passage；With
Several single-orifice type gas-detecting devices (3), the single-orifice type gas-detecting device position on the air intake passage,
And the air admission hole (301) of the single-orifice type gas-detecting device is towards the air intake passage.
2. portable air mass detecting instrument according to claim 1, it is characterised in that：The dual-channel type gas detection
Device (2) is PM2.5 detection devices.
3. portable air mass detecting instrument according to claim 1, it is characterised in that：The single-orifice type gas detection dress
It is CO to set (3)2In detection device, TVOC detection devices, temperature-detecting device, humidity detector and formaldehyde examination device extremely
Few one kind.
4. portable air mass detecting instrument according to claim 1, it is characterised in that：The upper surface of the shell (1)
Upper positioning is equipped with a liquid crystal display (105) for showing testing result.
5. portable air mass detecting instrument according to claim 4, it is characterised in that：Upwards close to liquid in the shell
At crystal display screen positioning be equipped with a control circuit board, the dual-channel type gas-detecting device, single-orifice type gas-detecting device and
Liquid crystal display should be connect with control circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820090701.2U CN207742181U (en) | 2018-01-19 | 2018-01-19 | Portable air mass detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820090701.2U CN207742181U (en) | 2018-01-19 | 2018-01-19 | Portable air mass detecting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207742181U true CN207742181U (en) | 2018-08-17 |
Family
ID=63123495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820090701.2U Expired - Fee Related CN207742181U (en) | 2018-01-19 | 2018-01-19 | Portable air mass detecting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207742181U (en) |
-
2018
- 2018-01-19 CN CN201820090701.2U patent/CN207742181U/en not_active Expired - Fee Related
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Legal Events
| 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: 20180817 |