CN220932909U - Malodorous gas detection device - Google Patents
Malodorous gas detection device Download PDFInfo
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- CN220932909U CN220932909U CN202322505365.7U CN202322505365U CN220932909U CN 220932909 U CN220932909 U CN 220932909U CN 202322505365 U CN202322505365 U CN 202322505365U CN 220932909 U CN220932909 U CN 220932909U
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- 238000001514 detection method Methods 0.000 title claims abstract description 75
- 238000009423 ventilation Methods 0.000 claims abstract description 23
- 241000238631 Hexapoda Species 0.000 claims description 24
- 230000002265 prevention Effects 0.000 claims description 16
- 238000009434 installation Methods 0.000 abstract description 6
- 239000000126 substance Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 206010007269 Carcinogenicity Diseases 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- 230000009692 acute damage Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000007670 carcinogenicity Effects 0.000 description 1
- 231100000260 carcinogenicity Toxicity 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001506 fluorescence spectroscopy Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 238000004255 ion exchange chromatography Methods 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
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- 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
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
A malodorous gas detection device relates to the technical field of gas detection equipment, and comprises an outer shell and an inner shell in threaded connection with the outer shell, wherein a gas detection assembly is arranged in an inner cavity of the inner shell; the inner shell comprises a top cover, a bottom cover, a plurality of connecting plates and at least one mounting plate; the top cover is in threaded connection with the outer shell, the bottom cover, the connecting plates and the mounting plates are all arranged in the inner cavity of the outer shell, insect-proof filter screens are fixedly arranged between two adjacent connecting plates, the insect-proof filter screens are arranged at intervals, and the gas detection assembly is mounted on the mounting plates; a plurality of ventilation windows are arranged on the outer shell, and when the outer shell rotates relative to the inner shell, the ventilation windows correspond to the insect-proof filter screen or the inner cavity of the inner shell is communicated with the outside. The TVOC concentration detection device can meet the requirements of TVOC concentration detection in outdoor and indoor environments, does not need manual handheld detection, and has the advantages of simple structure and convenient installation and adjustment.
Description
Technical Field
The utility model relates to the technical field of gas detection equipment, in particular to a malodorous gas detection device.
Background
TVOC is one of the three types of pollution that affects air quality more severely. TVOC is an organic substance with saturated vapor pressure exceeding 133.32pa at room temperature, the boiling point of the organic substance is 50-250 ℃, the organic substance can be evaporated at normal temperature and exists in the air, and the organic substance has toxicity, irritation, carcinogenicity and special odor, can influence skin and mucous membrane and can cause acute damage to human body.
Because TVOC is various in composition, the detection difficulty is high, and the mechanisms and equipment for accurately measuring the pollutant in China are fewer at present. The technical equipment for detecting TVOC has higher requirements, and gas chromatography is usually adopted, but Fourier transform infrared spectroscopy, fluorescence spectroscopy, ion chromatography, reflection interference spectroscopy, solid polymer electrochemical principles and the like are also adopted.
The utility model patent with the bulletin number of CN219320245U and the name of a gas detection device discloses a detection device for detecting TVOC concentration aiming at an outdoor environment, mainly solves the technical problems of no need of manual handheld detection, reduced working intensity and detection cost and improved detection efficiency, but when the device is used for detecting an indoor environment (such as a large-scale factory building and a large-scale workshop), the air circulation capacity in the indoor environment is not as strong as that of the outdoor air, and when the TVOC concentration is detected, the concentration detection value difference at different positions is easy to be larger, and the accuracy is lower; meanwhile, the gas detection device with the structure is complex in structure and long in installation time, and construction efficiency is reduced.
Disclosure of utility model
In view of this, the technical problems to be solved by the present utility model are: the utility model provides a malodorous gas detection device can satisfy the needs to TVOC concentration detection in outdoor and the indoor environment, need not artifical handheld detection, simple structure, installation and adjustment are convenient.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
The malodorous gas detection device comprises an outer shell and an inner shell which is in threaded connection with the outer shell, wherein a gas detection assembly is arranged in an inner cavity of the inner shell;
the inner shell comprises a top cover, a bottom cover, a plurality of connecting plates and at least one mounting plate, wherein the connecting plates are vertically and fixedly arranged between the top cover and the bottom cover;
The top cover is in threaded connection with the outer shell, the bottom cover, the connecting plates and the mounting plates are all arranged in the inner cavity of the outer shell, insect-proof filter screens are fixedly arranged between two adjacent connecting plates, the insect-proof filter screens are arranged at intervals, and the gas detection assembly is mounted on the mounting plates;
And a plurality of ventilation windows are formed in the outer shell, and when the outer shell and the inner shell relatively rotate, the ventilation windows correspond to the insect prevention filter screen or the inner cavity of the inner shell is communicated with the outside.
Preferably, the number of the connecting plates is six, the number of the insect-proof filter screens is three, one insect-proof filter screen is fixedly arranged on two connecting plates which are adjacently arranged, and three insect-proof filter screens are arranged at intervals.
Preferably, the insect prevention filter screen is of an arc-shaped structure and is located between the connecting plate and the outer shell.
Preferably, the number of the ventilation windows is three, and the width of the ventilation windows is the same as the width of the insect prevention filter screen.
Preferably, the gas detection assembly comprises a main control board, a battery and an external antenna; the main control board is provided with a processing module, a power supply module, a wireless communication module and a TVOC sensor, wherein the power supply module, the wireless communication module and the TVOC sensor are respectively and electrically connected with the processing module, the power supply module is electrically connected with the battery, and the wireless communication module is electrically connected with the external antenna.
Preferably, the mounting plate is fixedly provided with an insect prevention cover, a mounting block and a fixing sleeve; the insect prevention cover is covered on the outer side of the main control board, the mounting block is fixedly connected with the external antenna, and the fixing sleeve is sleeved on the outer side of the external antenna.
Preferably, the processing module is an ARM microprocessor, and the wireless communication module is a BC35-G wireless communication module.
Preferably, the external antenna is an SMA antenna.
Preferably, the device further comprises a support, and the bottom of the outer shell is fixedly connected with the support.
Preferably, the support comprises a connecting part, a connecting rod and a mounting part, wherein the connecting part is detachably connected with the connecting sheet, and the connecting sheet is fixedly connected with the outer shell.
After the technical scheme is adopted, the utility model has the beneficial effects that:
Through the utility model, an outer shell and an inner shell which is in threaded connection with the outer shell are arranged, and a gas detection assembly is arranged in the inner cavity of the inner shell; the inner shell comprises a top cover, a bottom cover, a plurality of connecting plates and at least one mounting plate; the top cover is in threaded connection with the outer shell, the bottom cover, the connecting plates and the mounting plates are all arranged in the inner cavity of the outer shell, insect-proof filter screens are fixedly arranged between two adjacent connecting plates, the insect-proof filter screens are arranged at intervals, and the gas detection assembly is mounted on the mounting plates; the shell body and the inner shell body combined action can protect the gas detection assembly, and meanwhile, the insect prevention filter screen is fixedly arranged between the two connecting plates, and can prevent flying insects in the environment from being damaged, so that the gas detection assembly is prevented from being damaged, and the stability of the gas detection assembly is improved.
A plurality of ventilation windows are arranged on the outer shell, and when the outer shell rotates relative to the inner shell, the ventilation windows correspond to the insect-proof filter screen or the inner cavity of the inner shell is communicated with the outside; the outer shell is in threaded connection with the top cover in the inner shell, and when the top cover is screwed, the insect-proof filter screen can be driven to rotate together, so that the relative position of the ventilation window and the insect-proof filter screen is changed; specifically, when the utility model is installed in an outdoor environment for detection, the positions of the ventilation windows correspond to the positions of the insect-proof filter screens, so that flying insects are prevented from entering the inner cavities of the outer shell and the inner shell through the ventilation windows, and damage is caused to the gas detection assembly; when the utility model is installed in an indoor environment for detection, the quantity of indoor flying insects is far smaller than that of the outdoor environment, and the air circulation speed in the indoor environment is lower than that in the outdoor environment, so that the position of the ventilation window and the position of the insect prevention filter screen are staggered by screwing the top cover, the inner cavity of the inner shell body are communicated with the outside, the gas detection assembly is directly exposed in the outside environment, the gas in the inner cavity of the inner shell body is timely exchanged with the outside, the gas exchange speed is improved, the gas detection assembly detects the gas, the detection speed is improved, manual handheld detection is not needed, the structure is simple, and the installation and the adjustment are convenient.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural view of a malodorous gas detection device according to an embodiment of the present utility model in an outdoor environment;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic view of the structure of the malodorous gas detection device in an indoor environment according to the embodiment of the present utility model;
FIG. 4 is an exploded view of FIG. 3;
FIG. 5 is a schematic view of the inner housing and the gas detecting assembly according to the embodiment of the present utility model;
FIG. 6 is an exploded view of FIG. 5;
In the figure:
1. An outer housing; 11. a ventilation window;
2. An inner housing; 21. a top cover; 22. a bottom cover; 23. a connecting plate; 24. a mounting plate; 241. an insect prevention cover; 242. a mounting block; 243. a fixed sleeve; 25. insect prevention filter screen;
3. A gas detection assembly; 31. a main control board; 311. a processing module; 312. a power supply module; 313. a wireless communication module; 314. TVOC sensor; 32. a battery; 33. an external antenna;
4. A bracket; 41. a connection part; 42. a connecting rod; 43. a mounting part; 44. and a connecting sheet.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The terms such as "front", "rear", "left", "right", "middle" and the like are also used in the present specification for convenience of description, but are not intended to limit the scope of the present utility model, and the changes or modifications of the relative relationship thereof are considered to be within the scope of the present utility model without substantial modification of the technical content.
As shown in fig. 1 to 6 together, the present utility model includes an outer housing 1 and an inner housing 2 screw-coupled to the outer housing 1, and a gas detection assembly 3 is installed in an inner cavity of the inner housing 2.
The inner shell 2 comprises a top cover 21, a bottom cover 22, a plurality of connecting plates 23 vertically and fixedly arranged between the top cover 21 and the bottom cover 22 and at least one mounting plate 24; the top cover 21 is in threaded connection with the outer shell 1, the bottom cover 22, the connecting plates 23 and the mounting plates 24 are all arranged in the inner cavity of the outer shell 1, insect-proof filter screens 25 are fixedly arranged between two adjacent connecting plates 23, the insect-proof filter screens 25 are arranged at intervals, and the gas detection assembly 3 is mounted on the mounting plates 24; the insect-proof filter screens 25 are arranged at intervals, so that the inner cavity of the inner shell 2 can be directly connected and communicated with the external environment, or the insect-proof filter screens 25 can be used for blocking the inner cavity of the inner shell 2 to prevent flying insects from entering the inner cavity of the inner shell; the combined action of the outer shell 1 and the inner shell 2 can protect the gas detection assembly 3, meanwhile, the insect prevention filter screen 25 can prevent flying insects in the environment from damaging the gas detection assembly 3, and the stability of the gas detection assembly 3 is improved.
A plurality of ventilation windows 11 are arranged on the outer shell 1, and when the outer shell 1 and the inner shell 2 relatively rotate, the ventilation windows 11 correspond to the insect-proof filter screen 25 in position or communicate the inner cavity of the inner shell 2 with the outside.
When the utility model is installed in an indoor environment for detection, as the number of indoor flying insects is far smaller than that of the outdoor environment and the air circulation speed in the indoor environment is not as high as that in the outdoor environment, the screwing top cover 21 staggers the positions of the ventilation window 11 and the insect prevention filter screen 25, the inner cavity of the inner shell 2 is communicated with the outside, the gas detection component is directly exposed in the outside environment, the gas in the inner cavity of the inner shell 2 is timely exchanged with the outside, the gas exchange speed is improved, the gas detection component 3 detects the gas, the detection speed is improved, manual handheld detection is not needed, the structure is simple, and the installation and the adjustment are convenient.
In the utility model, the number of the connecting plates 23 is six, the number of the insect-proof filter screens 25 is three, one insect-proof filter screen 25 is fixedly arranged on two connecting plates 23 which are adjacently arranged, and the three insect-proof filter screens 25 are arranged at intervals.
The insect-proof filter screen 25 is arc structure and is located between connecting plate 23 and shell body 1, when screwing up top cap 21 and driving insect-proof filter screen 25 to rotate, insect-proof filter screen 25 can not take place to interfere with shell body 1, can not influence the rotation of screwing up of top cap 21.
The number of the ventilation windows 11 is three, the width of the ventilation windows 11 is the same as that of the insect-proof filter screen 25, and when the top cover 21 is screwed to drive the insect-proof filter screen 25 to rotate, the ventilation windows 11 can cover the insect-proof filter screen 25 completely or are not influenced by the insect-proof filter screen 25, the inner cavity of the inner shell 2 is communicated with the outside, and the use requirement is met.
In the utility model, the gas detection assembly 3 comprises a main control board 31, a battery 32 and an external antenna 33; the main control board 31 is provided with a processing module 311, a power supply module 312, a wireless communication module 313 and a TVOC sensor 314, the power supply module 312, the wireless communication module 313 and the TVOC sensor 314 are respectively and electrically connected with the processing module 311, the power supply module 312 is electrically connected with the battery 32, and the wireless communication module 313 is electrically connected with the external antenna 33.
Preferably, the processing module 311 is an ARM microprocessor, the wireless communication module 313 is a BC35-G wireless communication module, and the external antenna 33 is an SMA antenna. External gas is detected by the TVOC sensor 314, the TVOC concentration in the air is obtained, the detected data is sent to the processing module 311 and processed, the wireless communication module 313 and the external antenna 33 are sent to an external receiving device for data reception, the mode that the original staff holds the portable TVOC detection device to detect the TVOC concentration in the environment is replaced, the working strength and the detection cost are reduced, and the detection efficiency is improved.
An insect prevention cover 241, a mounting block 242 and a fixing sleeve 243 are fixedly arranged on the mounting plate 24; the insect prevention cover 241 is covered on the outer side of the main control board 31, and when the utility model is arranged in an indoor environment, the insect prevention cover 241 can prevent flying insects from damaging the main control board 31; the mounting block 242 is fixedly connected with the external antenna 33, the fixing sleeve 243 is sleeved on the outer side of the external antenna 33, and the mounting block 242 and the fixing sleeve 243 jointly act to fix the external antenna 33.
The utility model also comprises a bracket 4, the bottom of the outer shell 1 is fixedly connected with the bracket 4, and the requirement of installing the outer shell through the bracket 4 is met; specifically, the bracket 4 includes a connecting portion 41, a connecting rod 42, and an installation portion 43, the connecting portion 41 is detachably connected with a connecting piece 44, and the connecting piece 44 is fixedly connected with the outer housing 1. In the utility model, the detachable connection is threaded connection, so that the detachable connection is convenient to detach and assemble.
The utility model is arranged outdoors or in places needing gas detection outdoors through the bracket 4, a plurality of the utility model can be arranged and detected according to different detection points and different detection heights for a region with a larger range, the detection accuracy is improved, meanwhile, a worker is not required to hold a traditional detection device for multi-point detection, the labor intensity of the worker is reduced, the work content is reduced, and the detection efficiency is improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The malodorous gas detection device is characterized by comprising an outer shell and an inner shell which is in threaded connection with the outer shell, wherein a gas detection assembly is arranged in an inner cavity of the inner shell;
the inner shell comprises a top cover, a bottom cover, a plurality of connecting plates and at least one mounting plate, wherein the connecting plates are vertically and fixedly arranged between the top cover and the bottom cover;
The top cover is in threaded connection with the outer shell, the bottom cover, the connecting plates and the mounting plates are all arranged in the inner cavity of the outer shell, insect-proof filter screens are fixedly arranged between two adjacent connecting plates, the insect-proof filter screens are arranged at intervals, and the gas detection assembly is mounted on the mounting plates;
And a plurality of ventilation windows are formed in the outer shell, and when the outer shell and the inner shell relatively rotate, the ventilation windows correspond to the insect prevention filter screen or the inner cavity of the inner shell is communicated with the outside.
2. The malodorous gas detection device according to claim 1, wherein the number of the connecting plates is six, the number of the insect-proof filter screens is three, one insect-proof filter screen is fixedly arranged on two connecting plates adjacently arranged, and the three insect-proof filter screens are arranged at intervals.
3. The malodorous gas detection device according to claim 2, wherein the insect screen is of an arc-shaped structure and is located between the connection plate and the outer housing.
4. The malodorous gas detection device according to claim 2, wherein the number of the ventilation windows is three, and the width of the ventilation windows is the same as the width of the insect-proof filter screen.
5. The malodorous gas detection device of claim 1, wherein the gas detection assembly comprises a main control board, a battery, and an external antenna; the main control board is provided with a processing module, a power supply module, a wireless communication module and a TVOC sensor, wherein the power supply module, the wireless communication module and the TVOC sensor are respectively and electrically connected with the processing module, the power supply module is electrically connected with the battery, and the wireless communication module is electrically connected with the external antenna.
6. The malodorous gas detection device according to claim 5, wherein an insect-proof cover, a mounting block and a fixing sleeve are fixedly arranged on the mounting plate; the insect prevention cover is covered on the outer side of the main control board, the mounting block is fixedly connected with the external antenna, and the fixing sleeve is sleeved on the outer side of the external antenna.
7. The malodorous gas detection device of claim 5, wherein the processing module is an ARM microprocessor and the wireless communication module is a BC35-G wireless communication module.
8. The malodorous gas detection device of claim 5, wherein the external antenna is an SMA antenna.
9. The malodorous gas detection device according to claim 1, further comprising a bracket, wherein the bottom of the outer housing is fixedly connected to the bracket.
10. The malodorous gas detection device according to claim 9, wherein the bracket comprises a connecting portion, a connecting rod and a mounting portion, the connecting portion is detachably connected with the connecting piece, and the connecting piece is fixedly connected with the outer housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322505365.7U CN220932909U (en) | 2023-09-14 | 2023-09-14 | Malodorous gas detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322505365.7U CN220932909U (en) | 2023-09-14 | 2023-09-14 | Malodorous gas detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220932909U true CN220932909U (en) | 2024-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322505365.7U Active CN220932909U (en) | 2023-09-14 | 2023-09-14 | Malodorous gas detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220932909U (en) |
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2023
- 2023-09-14 CN CN202322505365.7U patent/CN220932909U/en active Active
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