CN205939575U - Inhalable particle detection device - Google Patents
Inhalable particle detection device Download PDFInfo
- Publication number
- CN205939575U CN205939575U CN201620937827.XU CN201620937827U CN205939575U CN 205939575 U CN205939575 U CN 205939575U CN 201620937827 U CN201620937827 U CN 201620937827U CN 205939575 U CN205939575 U CN 205939575U
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- China
- Prior art keywords
- housing
- pellet
- master control
- cooling fan
- temperature
- 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
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Abstract
The utility model discloses an inhalable particle detection device, including box -like casing, fixed mounting inhalable particle sensor in the casing, temperature and humidity sensor and main control board, set up the air inlet on the front panel of casing, set up the venthole on the rear panel of casing, the air inlet of inhalable particle sensor communicates with each other with the air inlet of casing, the main control board is given with the inhalable particle signal transfer who detects to the inhalable particle sensor, temperature and humidity sensor gives the main control board with the humiture signal transfer who detects, inhalable particle's concentration and environment temperature are calculated by the main control board, the numerical value of humidity, still include heater and cooling fan in the casing, heater and cooling fan are connected with the main control board respectively, by main control board control heater and cooling fan work. The utility model discloses simple structure, reasonable in design can overcome humidity change, high and low temperature environment disturbs the measuring, has small, light in weight, a multiple advantage such as the portability is good, the real -time is good.
Description
Technical field
This utility model is related to a kind of pellet detection means, belongs to environmental air quality monitoring technical field.
Background technology
Generally particle diameter is called PM10 in 10 microns of particles below things, be also called pellet or floating dust, and straight
Footpath is referred to as PM2.5 in 2.5 microns of particles below.In general PM2.5 account for the 30%-90% of PM10 (specifically will be according to prison
The meteorological condition of measuring point, the situation of periphery polluter determine).The diameter of particulate matter is less, and the position entering respiratory tract is deeper.10
The particulate matter of micron diameter is usually deposited at upper respiratory tract, the deep of the entered respiratory tract of 5 micron diameters, less than 2 microns
100% can be deep into bronchioless and alveolar.
Domestic at present the most frequently used pellet detecting instrument is laser dust monitor, the Cleaning Principle of laser dust monitor
It is laser scattering method, laser dust monitor is applied to the quick mensure of public place pellet (PM10) concentration, industrial and mineral enterprise
The detection of the work hygiene aspect dust concentration such as industry production scene, and the monitoring of field of environment protection inhalable particulates concentration, also
Can be used for the evaluation of air purifier purification efficiency.Easily it is subject to humidity to do when current pellet detecting instrument measures
Disturb, under the extremely hot environment of low temperature severe cold, high temperature, service behaviour declines.Chinese Ministry of Environmental Protection requires the testing equipment of PM2.5 must carry temperature at present
Degree compensates, and to reduce the impact to data for the moisture, and PM10 does not lay down hard and fast rule, the therefore impact to PM10 testing equipment for the moisture
Bigger, lead to data between the two to be hung upside down.This situation is relatively more when typically occurring in rainy, and weather will not when no rain is fine
There is data inversion phenomenon.
Utility model content
This utility model provides a kind of pellet detection means, can overcome humidity change, high and low temperature environment pair
The interference of measurement, structure is simple, with low cost.
This utility model is as follows by solving the technical scheme that above-mentioned technical problem is adopted：
A kind of pellet detection means, including fixed installation pellet sensing in box-like housing, housing
Device, Temperature Humidity Sensor and master control borad, the front panel of housing arranges air inlet, and the rear board of housing arranges venthole, can
The air inlet sucking particulate matter sensors communicates with the air inlet of housing, and pellet sensor sucks detection
Grain thing signal sends master control borad to, and Temperature Humidity Sensor sends the temperature-humidity signal of detection to master control borad, is calculated by master control borad
Go out the concentration of pellet and the numerical value of environment epidemic disaster, in housing, also include heater and cooling fan, heater and
Cooling fan is connected with master control borad respectively, controls heater and cooling fan work by master control borad.
Further, when enclosure interior temperature is less than 10 DEG C or humidity is more than 50%RH, master control borad controls heater heating；
Control cooling fan cooling when enclosure interior temperature is more than 40 DEG C.
Further, described Temperature Humidity Sensor is fixed on case top.
Further, described heater is fixed at the air inlet of enclosure interior.
Further, described cooling fan is fixed on above the side of enclosure interior.
Further, the side-lower in housing arranges the hole of several a diameter of 3mm, is rotated by cooling fan, by housing
The hot-air of inner upper is discharged, and sucks extraneous air from bottom simultaneously, forms air-flow cooling channel.
The beneficial effects of the utility model are：Pellet detection means of the present utility model is fixing in housing
Pellet sensor, Temperature Humidity Sensor are installed, by master control borad calculate the concentration of pellet and environment temperature,
The numerical value of humidity, also includes heater and cooling fan in housing, controlled heater according to the height of temperature and dissipated by master control borad
Hot-air blower works, and this utility model structure is simple, reasonable in design, can overcome humidity change, high and low temperature environment that measurement is done
Disturb, there is small volume, multiple advantages such as lightweight, good portability, real-time are good.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of description, below with preferred embodiment of the present utility model and coordinate accompanying drawing detailed
Describe in detail bright as after.
Brief description
Fig. 1 is front panel schematic diagram of the present utility model；
Fig. 2 is rear board schematic diagram of the present utility model；
Fig. 3 is Left-Hand Panel schematic diagram of the present utility model；
Fig. 4 is top view of the present utility model；
Fig. 5 is base plate schematic diagram of the present utility model；
Fig. 6 is inside elevation view of the present utility model；
Fig. 7 is right panel schematic diagram of the present utility model；
Fig. 8 is the internal upper casing top view of this utility model；
Fig. 9 is the internal lower casing top view of this utility model.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used for this utility model is described, but is not limited to scope of the present utility model.
A kind of pellet detection means, including the box-like housing 1 being made up of front, rear, left and right panel, such as Fig. 7,9
Shown, fixed installation pellet sensor 2, Temperature Humidity Sensor 3 and master control borad 4, described temperature and humidity sensing in housing
Device is fixed on case top.As shown in Figure 2,4, the front panel of housing arranges air inlet 5, setting on the rear board of housing is given vent to anger
Hole 6, the air inlet of pellet sensor is communicated with the air inlet of housing, and pellet sensor can by detect
Suck particulate matter signal and send master control borad to, Temperature Humidity Sensor sends the temperature-humidity signal of detection to master control borad, by master control
Plate calculates the concentration of pellet and the numerical value of environment epidemic disaster, as shown in Fig. 1,8, also includes heater in housing
And cooling fan, described heater is fixed at the air inlet of enclosure interior, and in Fig. 1,9 is the hole position of fixing cooling fan, and 10
For patching jack.Described cooling fan 8 is fixed on above the side of enclosure interior.Heater and cooling fan are respectively with master control borad even
Connect, heater 7 and cooling fan work are controlled by master control borad.
When enclosure interior temperature is less than 10 DEG C or humidity is more than 50%RH, master control borad controls heater heating；Work as housing
Internal temperature is more than control cooling fan cooling when 40 DEG C.
The hole of several a diameter of 3mm is set in the side-lower of housing, is rotated by cooling fan, above enclosure interior
Hot-air is discharged, and sucks extraneous air from bottom simultaneously, forms air-flow cooling channel.
In one embodiment, this utility model is by box-like housing 1, pellet sensor 2, Temperature Humidity Sensor
3, master control borad 4, heater 7, cooling fan 8 form.
As shown in figure 9, pellet sensor is fixed on enclosure interior, the air inlet phase of its air inlet and housing
Logical, surrounding air by air inlet flow sensor inside, detection signal is sent to master control borad；
As shown in fig. 7, Temperature Humidity Sensor is fixed on case top, obtain with surrounding air sufficiently to contact, will
The temperature-humidity signal measuring is sent to master control borad；
As shown in figure 8, heater is fixed at the air inlet of enclosure interior, control whether this part works by master control borad,
By heating, it is lowered into the humidity of the air-flow of pellet sensor internal, improve the temperature of module working environment simultaneously
Degree；
As shown in figure 1, cooling fan is fixed on above the side of enclosure interior, control whether this part works by master control borad,
Side-lower in housing bores the hole of several a diameter of 3mm simultaneously, is rotated by cooling fan, by the hot-air above enclosure interior
Discharge, outside relatively cool air being sucked from bottom simultaneously, thus forming air-flow cooling channel, preventing internal power device
Operational heat leads to internal temperature too high；
As shown in figure 9, master control borad is fixed on enclosure interior, collection pellet sensor, Temperature Humidity Sensor
Signal, and calculate the inspirable particle concentration of reality, the numerical value of environment epidemic disaster, when enclosure interior temperature is less than 10 DEG C
Or humidity be more than 50%RH when, start heater heating, when enclosure interior temperature be more than 40 DEG C when open cooling blower cooling.
Pellet detection means of the present utility model fixedly mounts pellet sensor, temperature in housing
Humidity sensor, is calculated the concentration of pellet and the numerical value of environment epidemic disaster by master control borad, also includes adding in housing
Hot device and cooling fan, control heater and cooling fan work, this utility model structure by master control borad according to the height of temperature
Simply, reasonable in design, humidity change, the interference to measurement for the high and low temperature environment can be overcome, there is small volume, lightweight, portable
Multiple advantages such as property is good, real-time is good.
The above is only preferred implementation of the present utility model it is noted that common skill for the art
For art personnel, on the premise of without departing from this utility model know-why, some improvement and modification can also be made, these change
Enter and also should be regarded as protection domain of the present utility model with modification.
Claims (6)
1. a kind of pellet detection means can be inhaled it is characterised in that including fixed installation in box-like housing (1), housing
Enter particulate matter sensors (2), Temperature Humidity Sensor (3) and master control borad (4), setting air inlet (5), housing on the front panel of housing
Rear board on setting venthole (6), the air inlet of pellet sensor communicated with the air inlet of housing, can suck
Grain thing sensor sends the pellet signal of detection to master control borad, the temperature-humidity signal that Temperature Humidity Sensor will detect
Send master control borad to, calculated the concentration of pellet and the numerical value of environment epidemic disaster by master control borad, also include in housing
Heater and cooling fan, heater and cooling fan are connected with master control borad respectively, control heater (7) and radiating by master control borad
Blower fan (8) works.
2. pellet detection means as claimed in claim 1 is less than 10 DEG C it is characterised in that working as enclosure interior temperature
Or humidity be more than 50%RH when, master control borad control heater heating；Control cooling fan when enclosure interior temperature is more than 40 DEG C
Cooling.
3. pellet detection means as claimed in claim 1 is it is characterised in that described Temperature Humidity Sensor is fixed on
Case top.
4. pellet detection means as claimed in claim 1 is it is characterised in that described heater is fixed in housing
At the air inlet in portion.
5. pellet detection means as claimed in claim 1 is it is characterised in that described cooling fan is fixed on housing
Above internal side.
6. the pellet detection means as described in one of claim 1-5 is it is characterised in that the side-lower in housing sets
Put the hole of several a diameter of 3mm, rotated by cooling fan, the hot-air above enclosure interior is discharged, simultaneously will be outside empty
Gas sucks from bottom, forms air-flow cooling channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620937827.XU CN205939575U (en) | 2016-08-24 | 2016-08-24 | Inhalable particle detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620937827.XU CN205939575U (en) | 2016-08-24 | 2016-08-24 | Inhalable particle detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205939575U true CN205939575U (en) | 2017-02-08 |
Family
ID=57952321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620937827.XU Expired - Fee Related CN205939575U (en) | 2016-08-24 | 2016-08-24 | Inhalable particle detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205939575U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918087A (en) * | 2017-03-28 | 2017-07-04 | 南京联信自动化科技有限公司 | The accurate EGR of pure air |
| CN109765156A (en) * | 2019-02-22 | 2019-05-17 | 北京英视睿达科技有限公司 | Air total suspended particles monitoring device based on Internet of Things |
| CN109781184A (en) * | 2019-02-22 | 2019-05-21 | 北京英视睿达科技有限公司 | Ambient air monitoring equipment based on Internet of Things |
| CN111006977A (en) * | 2018-10-05 | 2020-04-14 | 大洋科技股有限公司 | Portable inhalable particle measuring device |
-
2016
- 2016-08-24 CN CN201620937827.XU patent/CN205939575U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918087A (en) * | 2017-03-28 | 2017-07-04 | 南京联信自动化科技有限公司 | The accurate EGR of pure air |
| CN111006977A (en) * | 2018-10-05 | 2020-04-14 | 大洋科技股有限公司 | Portable inhalable particle measuring device |
| CN109765156A (en) * | 2019-02-22 | 2019-05-17 | 北京英视睿达科技有限公司 | Air total suspended particles monitoring device based on Internet of Things |
| CN109781184A (en) * | 2019-02-22 | 2019-05-21 | 北京英视睿达科技有限公司 | Ambient air monitoring equipment based on Internet of Things |
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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: 20170208 Termination date: 20170824 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |