CN107179267B - Laser PM2.5 sensor packaging hardware and car - Google Patents
Laser PM2.5 sensor packaging hardware and car Download PDFInfo
- Publication number
- CN107179267B CN107179267B CN201710530762.6A CN201710530762A CN107179267B CN 107179267 B CN107179267 B CN 107179267B CN 201710530762 A CN201710530762 A CN 201710530762A CN 107179267 B CN107179267 B CN 107179267B
- Authority
- CN
- China
- Prior art keywords
- laser
- sensor
- air
- end cover
- air outlet
- 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.)
- Active
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 34
- 238000004891 communication Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 description 9
- 230000032683 aging Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004887 air purification Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- G01N15/075—
Abstract
The invention is suitable for the PM2.5 sensing monitoring field, has provided a laser PM2.5 sensor packaging hardware and car, the apparatus includes: the laser PM2.5 sensor comprises a shell, wherein the top of the shell is provided with an opening for placing a laser PM2.5 sensor, the bottom surface of the shell is attached to the bottom surface of the laser PM2.5 sensor, and an air inlet and an air outlet of the laser PM2.5 sensor are respectively provided with a closed air inlet channel and an air outlet channel; the end cover is arranged at the top of the shell, air holes are formed in two sides of the top of the end cover and are respectively communicated with the two air channels, and a groove is formed in the inner surface of the top of the end cover; the fixed sponge is arranged between the groove of the end cover and the laser PM2.5 sensor, the end cover extrudes the laser PM2.5 sensor through the fixed sponge, and the air flow to be detected and the detected air flow circulate through two isolated air channels to assist the laser PM2.5 sensor in accurately detecting the PM2.5 value in the air; the air inlet and the air outlet are tightly wrapped by the two air channels, so that the timeliness of data monitoring is guaranteed.
Description
Technical Field
The invention belongs to the field of PM2.5 sensing and monitoring, and particularly relates to a laser PM2.5 sensor packaging device and an automobile.
Background
In recent years, the haze weather is frequent in China, the air quality problem has attracted high attention of the whole society, along with the continuous improvement of health consciousness of people, air quality monitoring and air purification products have attracted wide attention, and along with high contact degree of automobiles in daily life, the PM2.5 particle detection equipment for automobiles becomes a focus of people's attention after a household PM2.5 detection instrument.
At present, the core sensor of the vehicle-mounted PM2.5 particle detection equipment has two detection modes, namely infrared detection and laser detection, wherein the laser detection is accurate, and the shell arranged outside the existing laser PM2.5 sensor is only used for packaging parts and does not play an auxiliary role in the detection effect of the laser PM2.5 sensor.
Disclosure of Invention
The embodiment of the invention provides a laser PM2.5 sensor packaging device, and aims to assist a laser PM2.5 sensor in accurately detecting a PM2.5 value in gas to be detected.
The invention is realized in such a way that a laser PM2.5 sensor packaging device comprises:
the laser PM2.5 sensor comprises a shell, wherein an opening is formed in the top of the shell and used for placing a laser PM2.5 sensor, the bottom surface of the shell is attached to the bottom surface of the laser PM2.5 sensor, an air inlet and an air outlet of the laser PM2.5 sensor are respectively provided with a closed air inlet channel and an air outlet channel, the bottom of the air inlet channel is communicated with the air inlet, and the bottom of the air outlet channel is communicated with the air outlet;
the end cover is arranged at the top of the shell, vent holes are formed in two sides of the top of the end cover and are respectively communicated with the tops of the air inlet channel and the air outlet channel, and a groove is formed in the inner surface of the top of the end cover;
the fixed sponge is arranged between the end cover groove and the laser PM2.5 sensor, and the end cover extrudes the laser PM2.5 sensor through the fixed sponge.
Further, the apparatus further comprises:
and the air outlet sealing assembly is arranged on the outer surface of the top of the end cover and is positioned at the outer side of the vent hole to hermetically connect the vehicle-mounted air outlet and the two vent holes of the end cover.
Further, the air conditioner air outlet seal assembly includes:
the square strip-shaped protrusion is arranged on the outer surface of the top of the end cover and positioned on the outer sides of the two air vents of the end cover;
the square strip-shaped HVAC sealing sponge is arranged between two air vents of the end cover and the square strip-shaped protrusion and is tightly attached to the square strip-shaped protrusion, the size of the HVAC sealing sponge is slightly smaller than that of the air conditioner air outlet pipeline, and the HVAC sealing sponge communicated with the air conditioner air outlet pipeline is connected with the square strip-shaped protrusion in a sealing mode.
Furthermore, the bottom of the shell protrudes outwards to form a cavity for accommodating the cavity, a circuit board assembly is fixed in the cavity for accommodating the cavity, and the circuit board assembly is electrically connected with the laser PM2.5 sensor through a data line.
Further, the vertical connector that is equipped with of line assembly side end edge to and with the outside profile assorted sealing sponge of connector, the outside of connector is located to the sealing sponge cover, the connector through sealing sponge with hold the hole sealing connection that the chamber lateral wall set up, the connector passes through the hole and the external communication connection of cavity lateral wall.
Furthermore, a programming port sealing end cover is arranged on the outer side of the cavity side wall hole and used for rewriting a control program on the circuit board assembly.
Further, casing outside symmetry is equipped with fixed subassembly, fixed subassembly includes:
a bracket, which is fixedly connected with the shell,
the through hole is arranged on the support and fixes the shell through a screw.
Furthermore, the through holes are multiple, and each through hole corresponds to one screw type.
The invention also provides an automobile, wherein the automobile is provided with a vehicle-mounted PM2.5 monitor, and the vehicle-mounted PM2.5 monitor comprises the laser PM2.5 sensor packaging device.
When the laser PM2.5 sensor works, a fan located in the laser PM2.5 sensor is started to discharge the existing gas in the laser PM2.5 sensor, so that the air pressure in the laser PM2.5 sensor is smaller than that of an air inlet channel, new gas to be detected continuously enters the laser PM2.5 sensor from the air inlet channel to detect the PM2.5 value of the gas to be detected, the detected gas flow enters an air outlet channel from an air outlet and is discharged out of the shell through an air outlet, the gas to be detected and the detected gas flow circulate through two completely isolated air channels, and the laser PM2.5 sensor is assisted to accurately detect the PM2.5 value in the air; in addition, two wind channels are close to the air intake and the air outlet setting of laser PM2.5 sensor, and two wind channels are all tightly wrapped up air intake and air outlet for the air current can in time get into laser PM2.5 sensor through the air intake, has consequently guaranteed data monitoring's ageing nature.
Drawings
FIG. 1 is an exploded view of a laser PM2.5 sensor package provided by an embodiment of the present invention;
fig. 2 is a schematic longitudinal sectional view of a laser PM2.5 sensor package according to an embodiment of the present invention;
the device comprises an HVAC sealing sponge, 2. an end cover, 21. an air inlet hole, 22. an air outlet hole, 23. a square strip-shaped protrusion, 3. a fixing sponge, 4. a laser PM2.5 sensor, 5. a data line, 6. a connector, 7. a circuit board assembly, 8, a sealing sponge, 9. a shell, 91. an air inlet channel, 92. an air outlet channel, 93. an accommodating cavity, 94. a bracket, 95. a through hole and 10. a burning port sealing end cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 is an exploded schematic view of a laser PM2.5 sensor package according to an embodiment of the present invention, and fig. 2 is a longitudinal sectional schematic view of the laser PM2.5 sensor package according to the embodiment of the present invention, and only the parts related to the embodiment of the present invention are shown for convenience of description.
According to the laser PM2.5 sensor packaging device provided by the embodiment of the invention, the air inlet duct and the air outlet duct are arranged in the packaging device, the two ducts are mutually independent, the air flow to be detected enters the air inlet of the laser PM2.5 sensor through the air inlet duct, and is discharged from the air outlet duct through the air outlet of the laser PM2.5 sensor after being monitored, so that the air flow to be detected and the air flow to be detected circulate through the two ducts which are completely isolated, and the laser PM2.5 sensor is assisted to accurately detect the PM2.5 value in the air.
With reference to fig. 1 and fig. 2, a laser PM2.5 sensor package device in an embodiment of the present invention includes:
the laser PM2.5 sensor comprises a shell 9, wherein an opening is formed in the top of the shell 9 and used for placing a laser PM2.5 sensor 4, the bottom surface of the shell 4 is attached to the bottom surface of the laser PM2.5 sensor 9, a closed air inlet channel 91 is arranged at an air inlet of the laser PM2.5 sensor 9, the bottom of the air inlet channel 91 is communicated with the air inlet, a closed air outlet channel 92 is formed at an air outlet, and the bottom of the air outlet channel 92 is communicated with an air outlet;
the end cover 2 is arranged at the top of the shell 9, vent holes (21 and 22) are formed in two sides of the top of the end cover 2, the two vent holes are respectively communicated with the tops of two air channels (91 and 92), the vent hole communicated with the air channel where the air inlet of the laser PM2.5 sensor 4 is located is called an air inlet hole 21, the vent hole communicated with the air channel where the air outlet of the laser PM2.5 sensor 4 is located is called an air outlet hole 22, and a groove (not shown in the figure) is further formed in the inner surface of the top of the;
When the laser PM2.5 sensor 4 works, a fan located in the laser PM2.5 sensor 4 is started, existing gas in the laser PM2.5 sensor 4 is discharged, the air pressure in the laser PM2.5 sensor 4 is smaller than that of an air inlet channel, new gas to be detected continuously enters the laser PM2.5 sensor 4 from an air inlet channel 91 to detect the PM2.5 value of the gas to be detected, the detected gas flow enters an air outlet channel 92 from an air outlet and is discharged out of the shell through an air outlet hole 22, the gas flow to be detected and the detected gas flow circulate through two completely isolated air channels to assist the laser PM2.5 sensor 4 in accurately detecting the PM2.5 value in the air; in addition, two wind channels are close to laser PM2.5 sensor 4's air intake and air outlet setting, and two wind channels (91, 92) are all tightly wrapped up air intake and air outlet for the air current can in time get into laser PM2.5 sensor 4 through the air intake, has consequently guaranteed data monitoring's ageing nature.
In addition, end cover 2 and casing 9 can be dismantled the connection, and the mode of dismantling the connection includes buckle connection or threaded connection, the later maintenance to the equipment of being convenient for.
In addition, the laser PM2.5 sensor packaging device is arranged on an automobile, is connected with an air outlet of a vehicle-mounted air conditioner, and assists the laser PM2.5 sensor 4 to realize the detection of PM2.5 in the air inside and outside the real automobile by switching the internal and external circulation modes of the vehicle-mounted air conditioner; the PM2.5 sensor package further comprises: air conditioner gas outlet seal assembly, air conditioner gas outlet seal assembly locate the outer surface in end cover 2 top, and lie in the outside of two air vents (21, 22), namely enclose two air vents (21, 22) in sealing device to realize the sealing connection of on-vehicle air conditioner gas outlet and two air vents (21, 22) of end cover.
As an embodiment of the present invention, the structure of the air conditioner air outlet sealing assembly specifically includes:
the square strip-shaped protrusion 23 is arranged on the outer surface of the top of the end cover 2 and is positioned outside the two air vents (21 and 22) of the end cover, namely the two air vents (21 and 22) are enclosed in the square strip-shaped protrusion 23;
the square strip-shaped HVAC sealing sponge 1 is arranged between two vent holes (21 and 22) of the end cover and the square strip-shaped protrusion 23 and is tightly attached to the square strip-shaped protrusion 23, the size of the HVAC sealing sponge 1 is slightly smaller than that of the air conditioner air outlet pipeline, and the HVAC sealing sponge 1 communicated with the air conditioner air outlet pipeline is in sealing connection with the square strip-shaped protrusion 23.
In the embodiment of the invention, in order to facilitate the wiring of the laser PM2.5 sensor and the later maintenance of the device, a cavity 93 of the accommodating cavity is formed at the bottom of the shell 9 in an outward protruding manner, a circuit board assembly 7 is fixed in the accommodating cavity, and the circuit board assembly 7 is electrically connected with the laser PM2.5 sensor 4 through the data line 5.
In the embodiment of the invention, the edge of the side end of the circuit board assembly 7 is vertically provided with a connector 6 and a sealing sponge 8 matched with the outline of the outer part 6 of the connector, the sealing sponge 8 is sleeved outside the connector 6, the connector 6 is hermetically connected with a hole arranged on the side wall of the accommodating cavity through the sealing sponge 8, and the connector 6 is in communication connection with the outside through the hole on the side wall of the cavity.
And a programming port sealing end cover 10 is arranged on the outer side of the cavity side wall hole and used for rewriting a control program on the circuit board assembly.
In order to facilitate the installation of the device, the shell outside symmetry is equipped with fixed subassembly, and this fixed subassembly includes:
the bracket 94, the bracket 94 is fixedly connected with the shell 9;
a through hole 95 provided on the bracket 94, the through hole fixing the housing 9 by a screw; further, in order to fix the screw by various types of screws, the through hole 95 is plural, and each through hole 95 corresponds to a screw signal.
The embodiment of the invention also provides a vehicle-mounted PM2.5 monitor, wherein a laser PM2.5 sensor 4 is arranged in the vehicle-mounted PM2.5 monitor, the laser PM2.5 sensor is packaged by the laser PM2.5 sensor packaging device,
in addition, the embodiment of the invention also provides an automobile, wherein the automobile is provided with a vehicle-mounted PM2.5 monitor, the PM2.5 monitor can be independently arranged in the automobile or outside the automobile, in addition, the PM2.5 monitor can also be matched with a vehicle-mounted air conditioner for use, the monitoring of the PM2.5 in the air inside and outside the automobile is realized, the vehicle-mounted PM2.5 detector is internally provided with a laser PM2.5 sensor 4, and the laser PM2.5 sensor is packaged by the laser PM2.5 sensor packaging device.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A laser PM2.5 sensor package apparatus, the apparatus comprising:
the laser PM2.5 sensor comprises a shell, wherein an opening is formed in the top of the shell and used for placing a laser PM2.5 sensor, the bottom surface of the shell is attached to the bottom surface of the laser PM2.5 sensor, an air inlet and an air outlet of the laser PM2.5 sensor are respectively provided with a closed air inlet channel and an air outlet channel, the bottom of the air inlet channel is communicated with the air inlet, and the bottom of the air outlet channel is communicated with the air outlet;
the end cover is arranged at the top of the shell, vent holes are formed in two sides of the top of the end cover and are respectively communicated with the top of the air inlet channel and the top of the air outlet channel, and a groove is formed in the inner surface of the top of the end cover;
the fixed sponge is arranged between the end cover groove and the laser PM2.5 sensor, and the end cover extrudes the laser PM2.5 sensor through the fixed sponge.
2. The laser PM2.5 sensor package of claim 1, wherein the package is disposed in an automobile, the device comprising:
and the air conditioner air outlet sealing assembly is arranged on the outer surface of the top of the end cover and is positioned at the outer side of the two air vents so as to be connected with the vehicle-mounted air conditioner air outlet and the two air vents of the end cover in a sealing manner.
3. The laser PM2.5 sensor package of claim 2 wherein said air conditioner air outlet seal assembly comprises:
the square strip-shaped protrusion is arranged on the outer surface of the top of the end cover and positioned on the outer sides of the two air vents of the end cover;
the square strip-shaped HVAC sealing sponge is arranged between the two air vents of the end cover and the square strip-shaped protrusion and is tightly attached to the square strip-shaped protrusion, the size of the HVAC sealing sponge is slightly smaller than that of the air conditioner air outlet pipeline, and the air conditioner air outlet pipeline is connected with the square strip-shaped protrusion in a sealing mode through the HVAC sealing sponge.
4. The packaging device of any one of claims 1 to 3, wherein a cavity of the accommodating cavity is formed by protruding outwards at the bottom of the housing, a circuit board assembly is fixed in the accommodating cavity, and the circuit board assembly is electrically connected with the laser PM2.5 sensor through a data line.
5. The packaging device of claim 4, wherein a connector and a sealing sponge matched with the external contour of the connector are vertically arranged at the side edge of the circuit board assembly, the sealing sponge is sleeved outside the connector, the connector is in sealing connection with the hole formed in the side wall of the accommodating cavity through the sealing sponge, and the connector is in communication connection with the outside through the hole in the side wall of the accommodating cavity.
6. The laser PM2.5 sensor package of claim 5, wherein a programming port seal cap is disposed outside the cavity sidewall hole for rewriting a control program on a circuit board assembly.
7. The packaging device of any one of claims 1 to 3, wherein the housing is provided with a fixing component symmetrically outside, and the fixing component comprises:
a bracket, which is fixedly connected with the shell,
the through hole is arranged on the support and fixes the shell through a screw.
8. The laser PM2.5 sensor package of claim 7, wherein the through holes are plural, each corresponding to a screw model.
9. An automobile provided with an on-board PM2.5 monitor, wherein the on-board PM2.5 monitor comprises the laser PM2.5 sensor package according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710530762.6A CN107179267B (en) | 2017-07-03 | 2017-07-03 | Laser PM2.5 sensor packaging hardware and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710530762.6A CN107179267B (en) | 2017-07-03 | 2017-07-03 | Laser PM2.5 sensor packaging hardware and car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107179267A CN107179267A (en) | 2017-09-19 |
| CN107179267B true CN107179267B (en) | 2020-03-20 |
Family
ID=59846141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710530762.6A Active CN107179267B (en) | 2017-07-03 | 2017-07-03 | Laser PM2.5 sensor packaging hardware and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107179267B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764708B (en) * | 2017-11-24 | 2024-01-02 | 武汉市普瑞思高科技有限公司 | Vehicle-mounted laser PM2.5 sensor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203287312U (en) * | 2013-04-16 | 2013-11-13 | 比亚迪股份有限公司 | Vehicle and PM2.5 particle detection device component thereof |
| CN204789244U (en) * | 2015-06-23 | 2015-11-18 | 天津斯拓普科技有限公司 | Air particulate matter check weighing appearance |
| WO2016105555A1 (en) * | 2014-12-23 | 2016-06-30 | The Regents Of The University Of California | Portable airborne particle counting systems and methods |
| CN205826469U (en) * | 2016-05-30 | 2016-12-21 | 上海圆天电子科技有限公司 | PM2.5 laser sensor |
| CN106769744A (en) * | 2017-03-07 | 2017-05-31 | 济南诺方电子技术有限公司 | A kind of vehicle-mounted laser dust sensor |
-
2017
- 2017-07-03 CN CN201710530762.6A patent/CN107179267B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203287312U (en) * | 2013-04-16 | 2013-11-13 | 比亚迪股份有限公司 | Vehicle and PM2.5 particle detection device component thereof |
| WO2016105555A1 (en) * | 2014-12-23 | 2016-06-30 | The Regents Of The University Of California | Portable airborne particle counting systems and methods |
| CN204789244U (en) * | 2015-06-23 | 2015-11-18 | 天津斯拓普科技有限公司 | Air particulate matter check weighing appearance |
| CN205826469U (en) * | 2016-05-30 | 2016-12-21 | 上海圆天电子科技有限公司 | PM2.5 laser sensor |
| CN106769744A (en) * | 2017-03-07 | 2017-05-31 | 济南诺方电子技术有限公司 | A kind of vehicle-mounted laser dust sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107179267A (en) | 2017-09-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204203188U (en) | Air quality detector | |
| CN210166360U (en) | Air quality detection device for vehicle | |
| CN205374412U (en) | Gas sensor module box | |
| CN105987867A (en) | Indoor environment detection device based on fine particles | |
| CN107264227B (en) | Packaging hardware and car | |
| CN107179267B (en) | Laser PM2.5 sensor packaging hardware and car | |
| CN107255609B (en) | Laser PM2.5 sensor package apparatus and automobile | |
| CN213120645U (en) | Portable vehicle-mounted air quality monitoring device based on Internet of things | |
| CN209911187U (en) | Double-circuit PM2.5 detection device | |
| CN107340210B (en) | A kind of packaging system and automobile | |
| CN110533870A (en) | A kind of fire behavior detection alarm device based on Internet of Things | |
| CN206670687U (en) | A kind of in-car air monitoring device | |
| CN209589765U (en) | A kind of PM2.5 monitoring modular | |
| CN102809630B (en) | Micro-water transmitter | |
| CN209118157U (en) | Temperature sensor and vehicle interior temperature control system | |
| CN210690064U (en) | Temperature automatic compensation air flow meter for automobile | |
| JP2021500581A (en) | Dual channel air quality inspection device | |
| CN206095929U (en) | CO2 detection module based on non - beam split infrared technology | |
| CN205786533U (en) | A kind of portable air mass detecting instrument of sound and light alarm | |
| CN206638382U (en) | A kind of easy access gas gauge | |
| CN219532119U (en) | Temperature and humidity sensor for vehicle | |
| CN218470752U (en) | Alcohol detection device and bracelet | |
| CN212674880U (en) | Air quality detector for railway vehicle | |
| CN211061509U (en) | Novel shell for vehicle-mounted air detection sensor | |
| CN209841817U (en) | CO (carbon monoxide)2Wireless sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |