CN220690892U - Portable TVOC monitoring device - Google Patents
Portable TVOC monitoring device Download PDFInfo
- Publication number
- CN220690892U CN220690892U CN202322202930.2U CN202322202930U CN220690892U CN 220690892 U CN220690892 U CN 220690892U CN 202322202930 U CN202322202930 U CN 202322202930U CN 220690892 U CN220690892 U CN 220690892U
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- CN
- China
- Prior art keywords
- portable
- monitoring device
- gas sensor
- pipe body
- tvoc monitoring
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 22
- 239000000523 sample Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 34
- 238000001514 detection method Methods 0.000 abstract description 11
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses a portable TVOC monitoring device, which comprises a vertically arranged pipe body, wherein an air flow ventilating duct is arranged in the pipe body, two ends of the pipe body are respectively fixedly connected with an upper shell and a lower shell, and an air inlet fan is arranged in the lower end part of the pipe body; the upper shell is internally provided with a split cone, the lower end of the split cone is in an arc-shaped structure, a plurality of uniformly distributed split holes are formed in the periphery of the split cone, the outer parts of the split holes are respectively provided with a mounting groove, and detachable gas sensor modules are respectively mounted in the mounting grooves; the gas sensor module is connected with a socket which is embedded in the mounting groove. The portable TVOC monitoring device provided by the utility model can realize synchronous detection of different gases, and can replace different types of sensors according to detection requirements of different gases.
Description
Technical Field
The utility model relates to a monitoring device, in particular to a portable TVOC monitoring device, and belongs to the technical field of air monitoring.
Background
TVOC is an English abbreviation for "Total Volatile Organic Compounds" meaning total volatile organic compounds. TVOC monitoring devices is a device designed for monitoring TVOC pollutants, and the monitoring devices realize monitoring of various different parameter pollutants by carrying sensors of different ranges and different types.
Existing portable TVOC monitoring devices in the market are handheld meters, and are realized through a built-in sensor technology, and the sensor adopts a built-in structure and is fixed in a sealed shell. Because the types of pollutants are different, a single type and model of sensor cannot realize effective detection of different gases, and the application range in air environment monitoring is limited. Because the sensor is fixed in the sealed housing, it cannot be replaced or maintained as required.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
Aiming at the defects in the background technology, the utility model provides the portable TVOC monitoring device which can realize synchronous detection of different gases and can replace different kinds of sensors according to the detection needs of different gases.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the portable TVOC monitoring device comprises a vertically arranged pipe body, wherein an air flow ventilating duct is arranged in the pipe body, two ends of the pipe body are respectively and fixedly connected with an upper shell and a lower shell, and an air inlet fan is arranged in the lower end part of the pipe body; the upper shell is internally provided with a split cone, the lower end of the split cone is in an arc-shaped structure, a plurality of uniformly distributed split holes are formed in the periphery of the split cone, the outer parts of the split holes are respectively provided with a mounting groove, and detachable gas sensor modules are respectively mounted in the mounting grooves; the gas sensor module is connected with a socket which is embedded in the mounting groove.
Preferably, the outer wall of the lower shell is provided with a plurality of air inlet holes which are arranged in a penetrating manner.
Preferably, a filter screen layer with an annular structure is arranged on the inner wall of the lower shell.
Preferably, the middle part of the inner cavity of the lower shell is fixedly provided with the power storage module.
Preferably, the mounting groove is located at the bottom of the upper housing.
Preferably, the gas sensor module comprises a base plate, wherein a direct current socket is arranged at the top end of the base plate, and the direct current socket is matched with the socket.
Preferably, the side of the base plate is provided with a probe head, the probe head being disposed toward the separation hole.
Preferably, the substrate, the direct current socket and the detecting head are of an integrated structure.
Preferably, the axis of the probe is co-linear with the axis of the tap hole after the gas sensor module is assembled.
Preferably, the gas sensor modules are arranged in one-to-one correspondence with the diversion holes.
After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:
air enters the inner cavity of the lower shell after being filtered by the filter screen layer, then enters the pipe body and flows into the upper shell from bottom to top, the air is guided to the periphery by the split cone, and then is blown into different gas sensor modules by each split hole, and the synchronous detection of different gases can be realized due to different types of the gas sensor modules;
the gas sensor module is inserted at the bottom of the upper shell, adopts a detachable mounting mode, is convenient to maintain and replace, and can be replaced according to the detection requirements of different gases.
The utility model will now be described in detail with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
FIG. 3 is a schematic diagram of a gas sensor module;
fig. 4 is a schematic view of the gas flow during use of the present utility model.
In the figure, a 1-pipe body, a 2-lower shell, a 3-upper shell, a 4-air inlet fan, a 5-electric storage module, a 6-air inlet hole, a 7-filter screen layer, an 8-shunt cone, a 9-shunt hole, a 10-mounting groove, an 11-socket joint, a 12-gas sensor module, a 121-substrate, a 122-detector head and a 123-direct current socket.
Detailed Description
For a clearer understanding of technical features, objects, and effects of the present utility model, a specific embodiment of the present utility model will be described with reference to the accompanying drawings.
As shown in fig. 1-4 together, the utility model provides a portable TVOC monitoring device, which comprises a vertically arranged pipe body 1, wherein an air flow ventilating duct is arranged in the pipe body 1, and two ends of the pipe body 1 are fixedly connected with an upper shell 3 and a lower shell 2 respectively.
The pipe body 1 has the function of a handle and is convenient to move. The lower shell 2 is used for sampling air, the upper shell 3 is used for analyzing and detecting air, and the air enters the pipe body 1 from the lower shell 2 and then enters the upper shell 3.
An air inlet fan 4 is arranged in the lower end part of the pipe body 1, and the air inlet fan 4 drives air to flow.
The outer wall of the lower shell 2 is provided with a plurality of air inlet holes 6 which are arranged in a penetrating way, and the inner wall of the lower shell 2 is provided with a filter screen layer 7 with an annular structure. Air enters through the air inlet hole 6 and enters into the inner cavity of the lower shell 2 after being filtered by the filter screen layer 7, so that oily substances and dust particle substances in the air are prevented from polluting the gas sensor module 12.
The electric power storage module 5 is fixedly arranged in the middle of the inner cavity of the lower shell 2, and the electric power storage module 5 can provide a power source for the whole machine and also can play a role in balancing weight, so that the whole machine is ensured to be stably placed.
The upper shell 3 is internally provided with a split cone 8, the lower end of the split cone 8 is in an arc-shaped structure, and the split cone 8 is used for guiding air in the pipe body 1 to the periphery.
A plurality of evenly distributed shunt holes 9 are formed around the shunt cone 8, mounting grooves 10 are formed in the outer portions of the shunt holes 9 respectively, and the mounting grooves 10 are located at the bottom of the upper shell 3.
The detachable gas sensor modules 12 are respectively installed in the installation grooves 10.
The gas sensor module 12 is connected to the socket 11, and the socket 11 is embedded in the installation groove 10.
The gas sensor module 12 comprises a base plate 121, a direct current socket 123 is arranged at the top end of the base plate 121, the direct current socket 123 is matched with the socket 11, a detection head 122 is arranged on the side portion of the base plate 121, and the detection head 122 is arranged towards the diversion hole 9.
The gas sensor modules 12 are arranged in one-to-one correspondence with the shunt holes 9.
The substrate 121, the dc jack 123 and the probe 122 are integrally formed, and can be integrally assembled, disassembled and replaced.
Different gas sensor modules 12 may be of different types and may be capable of detecting different gases.
The axis of the gas sensor module 12 is arranged in line with the axis of the shunt hole 9 after the completion of assembly of the probe 122.
The air intake fan 4 and the socket 11 are electrically connected with the electric storage module 5.
The specific working principle of the utility model is as follows:
the air inlet fan 4 is started, air enters from the air inlet hole 6 and enters into the inner cavity of the lower shell 2 after being filtered by the filter screen layer 7, then enters into the pipe body 1 to flow into the upper shell 3 from bottom to top, the air is guided to the periphery by the diversion cone 8, and then is blown into different gas sensor modules 12 by the diversion holes 9 respectively, and the types of the gas sensor modules 12 are different, so that detection of different gases can be realized.
The gas sensor module 12 is inserted at the bottom of the upper shell 3, has a rainproof function, is convenient to maintain and replace by adopting a detachable mounting mode, and can replace different types of gas sensor modules 12 according to detection requirements of different gases.
The foregoing is illustrative of the best mode of carrying out the utility model, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the utility model is defined by the claims, and any equivalent transformation based on the technical teaching of the utility model is also within the protection scope of the utility model.
Claims (10)
1. Portable TVOC monitoring device, its characterized in that: the air inlet fan comprises a vertically arranged pipe body (1), wherein an air flow ventilating duct is arranged in the pipe body (1), two ends of the pipe body (1) are fixedly connected with an upper shell (3) and a lower shell (2) respectively, and an air inlet fan (4) is arranged in the lower end part of the pipe body (1); the inside of the upper shell (3) is provided with a split cone (8), the lower end of the split cone (8) is in an arc-shaped structure, a plurality of uniformly distributed split holes (9) are formed in the periphery of the split cone (8), the outside of the split holes (9) is respectively provided with an installation groove (10), and detachable gas sensor modules (12) are respectively installed in the installation grooves (10); the gas sensor module (12) is connected with the socket joint (11), and the socket joint (11) is embedded in the mounting groove (10).
2. The portable TVOC monitoring device of claim 1, wherein: the outer wall of the lower shell (2) is provided with a plurality of air inlet holes (6) which are arranged in a penetrating way.
3. The portable TVOC monitoring device of claim 1, wherein: the inner wall of the lower shell (2) is provided with a filter screen layer (7) with an annular structure.
4. The portable TVOC monitoring device of claim 1, wherein: the middle part of the inner cavity of the lower shell (2) is fixedly provided with an electric power storage module (5).
5. The portable TVOC monitoring device of claim 1, wherein: the mounting groove (10) is positioned at the bottom of the upper shell (3).
6. The portable TVOC monitoring device of claim 1, wherein: the gas sensor module (12) comprises a base plate (121), a direct current socket (123) is arranged at the top end of the base plate (121), and the direct current socket (123) is matched with the socket (11).
7. The portable TVOC monitoring device of claim 6, wherein: the side of the base plate (121) is provided with a probe (122), and the probe (122) is arranged towards the diversion hole (9).
8. The portable TVOC monitoring device of claim 7, wherein: the substrate (121), the direct current socket (123) and the detecting head (122) are of an integrated structure.
9. The portable TVOC monitoring device of claim 8, wherein: the axis of the gas sensor module (12) and the axis of the shunt hole (9) are arranged in a collinear way after the assembly of the gas sensor module is completed.
10. The portable TVOC monitoring device of claim 1, wherein: the gas sensor modules (12) are arranged in one-to-one correspondence with the flow distribution holes (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322202930.2U CN220690892U (en) | 2023-08-16 | 2023-08-16 | Portable TVOC monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322202930.2U CN220690892U (en) | 2023-08-16 | 2023-08-16 | Portable TVOC monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220690892U true CN220690892U (en) | 2024-03-29 |
Family
ID=90372070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322202930.2U Active CN220690892U (en) | 2023-08-16 | 2023-08-16 | Portable TVOC monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220690892U (en) |
-
2023
- 2023-08-16 CN CN202322202930.2U patent/CN220690892U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |