CN117664665B - Carbon dioxide detection device based on thermal infrared - Google Patents
Carbon dioxide detection device based on thermal infrared Download PDFInfo
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- CN117664665B CN117664665B CN202410142717.3A CN202410142717A CN117664665B CN 117664665 B CN117664665 B CN 117664665B CN 202410142717 A CN202410142717 A CN 202410142717A CN 117664665 B CN117664665 B CN 117664665B
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- 238000001514 detection method Methods 0.000 title claims abstract description 99
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 18
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 71
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 230000000903 blocking effect Effects 0.000 claims abstract description 24
- 238000000605 extraction Methods 0.000 claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 230000001360 synchronised effect Effects 0.000 claims description 27
- 210000001503 joint Anatomy 0.000 claims description 17
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims 2
- 238000005070 sampling Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 9
- 238000003032 molecular docking Methods 0.000 description 6
- 230000005489 elastic deformation Effects 0.000 description 5
- 238000005086 pumping Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000012780 transparent material Substances 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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Abstract
The application discloses a carbon dioxide detection device based on thermal infrared relates to carbon dioxide detection technical field. The application comprises the following steps: the carrier is provided with a detection tube, the top of the detection tube is vertically communicated with an air inlet tube, and a plurality of air inlet grooves are formed in the outer peripheral side of the air inlet tube in a vertical array; and the air extraction mechanism is arranged on one side of the detection tube and is used for sucking the gas inside the detection tube to the outside or stopping air extraction to the detection tube. According to the air inlet device, the blocking plate can be controlled to move through the transmission piece, the air inlet grooves at different heights can be kept in an open state, the air suction mechanism is matched to suck outside air into the detection tube, the air in the detection tube is detected through the detection mechanism, the air at different heights in a room can be sampled through the transmission piece and the air suction mechanism, the air sampling and detection can be realized without repeated moving devices of staff, and the air sampling and detection are more convenient and faster during use.
Description
Technical Field
The application relates to the technical field of carbon dioxide detection, in particular to a carbon dioxide detection device based on thermal infrared.
Background
At present, the thermal infrared carbon dioxide detection device is widely applied to the field of indoor environment monitoring. However, in practical use, due to the flowability and non-uniformity of the indoor air, the detection performed by only using one air flow sampling port may not accurately reflect the average concentration of the indoor carbon dioxide, and the carbon dioxide content of the air at different indoor heights may also be different. To solve this problem, some prior art samples and detects air at different locations by moving the detection device, but this method requires a worker to repeatedly move the device, which is cumbersome and time-consuming to operate.
Therefore, the invention provides a carbon dioxide detection device based on thermal infrared.
Disclosure of Invention
The purpose of the present application is: in order to solve the problems in the background art, the application provides a carbon dioxide detection device based on thermal infrared.
The application specifically adopts the following technical scheme for realizing the purposes:
a thermal infrared-based carbon dioxide detection device, comprising:
the carrier is provided with a detection tube, the top of the detection tube is vertically communicated with an air inlet tube, and a plurality of air inlet grooves are formed in the outer peripheral side of the air inlet tube in a vertical array;
the air extraction mechanism is arranged on one side of the detection tube and is used for sucking the gas in the detection tube to the outside or stopping air extraction to the detection tube;
the detection mechanism comprises an infrared emission part arranged on a carrier, an infrared emission source of the infrared emission part faces to a detection tube, an infrared detector for receiving infrared light is arranged on the carrier, and the detection tube is positioned between the infrared emission part and the infrared detector;
the plugging mechanism comprises a plurality of plugging plates which are slidably arranged on the detection pipe, the plurality of plugging plates are respectively used for plugging a plurality of air inlet grooves, and a transmission piece used for driving the plugging plates to move is arranged on the carrier.
Further, the driving medium includes the mounting panel of installing on the carrier, rotate on the mounting panel and install two synchronizing wheels that are the upper and lower distribution, two synchronous connection has the hold-in range between the synchronizing wheels, the shutoff board is the back and installs reset spring with the intake pipe between, the shutoff board bottom is installed the bottom and is the drive plate of inclined plane, the board of forcing with the drive plate contact is installed to the synchronous board outside, one side construction of forcing the board has the inclined plane, install drive assembly on the carrier.
Further, the transmission assembly comprises a sliding rod vertically arranged on the carrier in a sliding mode, a connecting cylinder is arranged at one end of the sliding rod, a wedge-shaped inserting plate is arranged on one side of the connecting cylinder in a sliding mode, an abutting elastic sheet is arranged between the wedge-shaped inserting plate and the connecting cylinder, a plurality of wedge-shaped grooves for the wedge-shaped inserting plate to be inserted are formed in a plane of the synchronous belt along the length direction of the plane, and a driving assembly for driving the sliding rod to move is arranged on the carrier.
Further, the drive assembly comprises a rotating disc rotatably mounted on a carrier, a post rod is eccentrically arranged on one side of the rotating disc, a connecting plate is arranged on the sliding rod, a movable groove is horizontally formed in the connecting plate, the post rod is tangent to the movable groove, and a timing driving rotating disc delay mechanism is mounted on the carrier.
Further, the time delay mechanism comprises a transmission plate which is horizontally and slidably arranged on a carrier, a driving toothed plate is arranged at the top of the transmission plate, a driven gear meshed with the driving toothed plate is arranged on the rotating disc, two transmission wheels which are horizontally distributed are rotatably arranged on the carrier, a transmission belt is arranged between the two transmission wheels, a forcing rod is structured on one surface of the transmission belt, a transmission groove is vertically formed in one side of the transmission plate, the forcing rod is tangent in the transmission groove, and a motor for driving one transmission wheel to rotate is arranged on the carrier.
Further, the air pump mechanism is including installing the air pump on the carrier, air pump end intercommunication has the exhaust tube, one side intercommunication of detecting tube has the butt joint pipe, and the one end of exhaust tube is connected with the free end of butt joint pipe, the air vent has been seted up to one side of butt joint pipe, the inside structure of butt joint pipe has the annular plate, install the shutoff subassembly that acts on air vent and annular plate on the butt joint pipe, through shutoff subassembly so that air vent or annular plate are shutoff.
Further, a sliding groove is formed in the outer peripheral side of the butt joint pipe; the plugging assembly comprises a sliding cylinder which is sleeved on the butt joint pipe in a sliding manner, the sliding cylinder is provided with a blocking vent hole in a sliding manner, the sliding cylinder is provided with a convex plate which penetrates through the sliding groove in a blocking manner, the free end of the convex plate is provided with a connecting rod which penetrates through the annular plate, the diameter of the connecting rod is smaller than the inner diameter of the annular plate, the connecting rod is provided with an annular baffle which is used for blocking the inner part of the annular plate, and the sliding cylinder is provided with a linkage piece which acts on the transmission plate.
Further, the linkage piece is including constructing the limiting plate in connecting rod one end, a plurality of ventilation slots have been seted up on the limiting plate, install the conflict spring between limiting plate and the annular plate, the slip section of thick bamboo outside structure be used for with the trigger plate of drive plate contact.
Further, the rotating disc is rotatably mounted on the carrier through the rotating shaft, the sleeve is vertically mounted on the carrier, the positioning rod is vertically slidably mounted on the sleeve, one end of the positioning rod is a convex arc surface, the positioning rod and the sleeve are provided with a tight supporting spring, and two arc holes for inserting the convex arc surface of the rotating shaft are symmetrically formed in the periphery of the rotating shaft.
Further, an annular arc groove is formed in the mounting plate, a shaft rod located in the annular arc groove is arranged on one side of the forcing plate in a construction mode, a rotating rod is rotatably mounted on the mounting plate, a pressing roller is rotatably mounted at one end of the rotating rod, a spring telescopic rod is hinged between the rotating rod and the mounting plate, and the pressing roller is abutted to the outer side of the synchronous belt through the spring telescopic rod.
The beneficial effects of this application are as follows:
according to the air inlet device, the blocking plate can be controlled to move through the transmission piece, the air inlet grooves at different heights can be kept in an open state, the air suction mechanism is matched to suck outside air into the detection tube, the air in the detection tube is detected through the detection mechanism, the air at different heights in a room can be sampled through the transmission piece and the air suction mechanism, the air sampling and detection can be realized without repeated moving devices of staff, and the air sampling and detection are more convenient and faster during use.
Drawings
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is a schematic view of another view of FIG. 1 of the present application;
FIG. 3 is an exploded view of the transmission assembly of the present application;
FIG. 4 is a schematic view of the annular arc groove and shaft structure of the present application;
FIG. 5 is a first partial perspective cross-sectional view of FIG. 1 of the present application;
FIG. 6 is a second partial perspective cross-sectional view of FIG. 1 of the present application;
FIG. 7 is a third partial perspective cross-sectional view of FIG. 1 of the present application;
FIG. 8 is a fourth partial perspective cross-sectional view of FIG. 1 of the present application;
FIG. 9 is a fifth partial perspective cross-sectional view of FIG. 1 of the present application;
FIG. 10 is an enlarged view of the structure of FIG. 6A of the present application;
FIG. 11 is an enlarged view of the structure at B in FIG. 7 of the present application;
FIG. 12 is an enlarged view of the structure of FIG. 8C of the present application;
FIG. 13 is an enlarged view of the structure of FIG. 8D of the present application;
FIG. 14 is an enlarged view of the structure of FIG. 9E of the present application;
reference numerals: 1. a carrier; 2. an air inlet pipe; 3. an air inlet groove; 4. a detection tube; 5. an air extraction mechanism; 501. an air pump; 502. an exhaust pipe; 503. a butt joint pipe; 504. a vent hole; 505. an annular plate; 6. a detection mechanism; 601. an infrared emitting member; 602. an infrared light detector; 7. a plugging mechanism; 701. a plugging plate; 702. a transmission member; 7021. a mounting plate; 7022. a synchronizing wheel; 7023. a synchronous belt; 7024. a return spring; 7025. a driving plate; 7026. forcing the plate; 8. a transmission assembly; 801. a slide bar; 802. a connecting cylinder; 803. wedge-shaped plugboards; 804. wedge-shaped grooves; 805. a pressing spring plate; 9. a drive assembly; 901. a rotating disc; 902. a post; 903. a connecting plate; 904. a movable groove; 10. a time delay mechanism; 1001. a drive plate; 1002. driving the toothed plate; 1003. a driven gear; 1004. a driving wheel; 1005. a transmission belt; 1006. forcing the rod; 1007. a transmission groove; 1008. a motor; 11. a plugging assembly; 1101. a sliding groove; 1102. a sliding cylinder; 1103. a convex plate; 1104. a connecting rod; 1105. an annular baffle; 12. a linkage member; 1201. a limiting plate; 1202. a contact spring; 1203. a trigger plate; 1204. a vent groove; 13. a sleeve; 14. a positioning rod; 15. a rotating shaft; 16. an arc-shaped hole; 17. an annular arc groove; 18. a shaft lever; 19. a rotating lever; 20. a pressing roller; 21. a spring telescoping rod; 22. the spring is abutted tightly.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
Example 1
As shown in fig. 1 to 14, a carbon dioxide detection device based on thermal infrared according to an embodiment of the present application includes:
the carrier 1 is provided with a detection tube 4, the top of the detection tube 4 is vertically communicated with an air inlet tube 2, a plurality of air inlet grooves 3 are formed in a vertical array on the outer periphery side of the air inlet tube 2, four universal wheels can be arranged at the bottom of the carrier 1, and a pushing hand is arranged on one side of the carrier 1, so that the carrier 1 can be conveniently moved;
the air extracting mechanism 5 is arranged on one side of the detection tube 4, and is used for extracting the gas in the detection tube 4 to the outside or stopping extracting the air from the detection tube 4 through the air extracting mechanism 5, and the external air enters the air inlet tube 2 through the air inlet groove 3, then enters the detection tube 4 again and finally is discharged to the outside through the air extracting mechanism 5;
the detection mechanism 6 comprises an infrared emission part 601 arranged on the carrier 1, an infrared emission source of the infrared emission part 601 faces the detection tube 4, an infrared light detector 602 for receiving infrared light is arranged on the carrier 1, the infrared light detector 602 receives infrared light passing through the sample gas, the detection tube 4 is positioned between the infrared emission part 601 and the infrared light detector 602, when the concentration of carbon dioxide in the air in the detection tube 4 needs to be detected, the infrared emission part 601 emits infrared light, the infrared light wave passes through the air in the detection tube 4 and is captured by the infrared light detector 602, a processor is arranged on the carrier 1 and used for processing and analyzing received infrared light signals, a display screen is arranged on the carrier 1 and used for displaying and recording measurement results, and the detection mechanism is a structure for detecting the thermal infrared air in the prior art, wherein the detection tube 4 is made of transparent materials, particularly can be made of glass materials and has good light transmittance;
the plugging mechanism 7 comprises a plurality of plugging plates 701 which are slidably arranged on the detection tube 4, wherein the plugging plates 701 are used for plugging the air inlet grooves 3, and a transmission piece 702 used for driving the plugging plates 701 to move is arranged on the carrier 1;
based on the above, it can be known that when the device is used, firstly, one of the blocking plates 701 is moved by the transmission member 702, so that the corresponding air inlet groove 3 is in an open state, and the other air inlet grooves 3 are blocked by the blocking plate 701, at this time, external air is pumped into the detection tube 4 by the air pumping mechanism 5 through the air inlet groove 3, and finally, the air in the detection tube 4 is air with the corresponding height of the open air inlet groove 3 at this time, then, the blocking plate 701 is moved by the transmission member 702, the open air inlet groove 3 is blocked, at this time, the air pumping mechanism 5 stops pumping the external air, the detection tube 4 and the air inlet tube 2 are not circulated, air in one height is sampled, then, the air in the detection tube 4 is detected by the infrared emission member 601 and the infrared detector 602, after the detection, the blocking plate at another height is moved by the transmission member 702, the external air is pumped into the detection tube 4 by the air pumping mechanism 5, because the air in the state is in the detection tube 4, the air is not pumped into the detection tube 4 by the original air in the detection tube, and the detection tube is not circulated by the air in the detection tube, and the detection tube is not repeatedly performed, and the detection mode is not needed.
As shown in fig. 1, 3, 4, 5 and 8, in order to control the movement of the plugging plate 701 conveniently, the transmission member 702 comprises a mounting plate 7021 mounted on the carrier 1, two synchronizing wheels 7022 distributed up and down are rotatably mounted on the mounting plate 7021, a synchronizing belt 7023 is synchronously connected between the two synchronizing wheels 7022, the plugging plate 701 is in a loop shape, and a return spring 7024 is mounted between the plugging plate 701 and the air inlet pipe 2, under the condition that no external driving force exists, the plugging plate 701 is in a state of shielding the air inlet groove 3 by the elastic deformation characteristic of the return spring 7024, a driving plate 7025 with a bottom end being an inclined plane is mounted at the bottom of the plugging plate 701, a forcing plate 7026 in contact with the driving plate 7025 is mounted on the outer circumference side of the synchronizing belt 7023, an inclined plane is constructed on one side of the forcing plate 7026, a transmission assembly 8 is mounted on the carrier 1, the transmission assembly 8 can drive the synchronizing wheels 7022 to rotate towards one direction, as shown in fig. 1, the synchronous wheel 7022 is continuously clockwise and can not rotate anticlockwise, when the synchronous wheel 7022 rotates, the synchronous belt 7023 can move clockwise, the synchronous belt 7023 can drive the forcing plate 7026 arranged on the synchronous belt 7023 to move in the moving process, as shown in figure 1, when the synchronous belt 7023 moves clockwise, the forcing plate 7026 is in a moving trend from bottom to top, the inclined surface of the forcing plate 7026 is sequentially contacted with the driving plate 7025 from bottom to top, the inclined surface of the forcing plate 7026 is firstly contacted with the inclined surface of the driving plate 7025 in the moving process of the forcing plate 7026, the blocking plate 701 is further forced to move in a direction away from the corresponding air inlet groove 3, the corresponding air inlet groove 3 is in an open state, external air can smoothly enter the air inlet groove 3, after the air sampling and detection of the open air inlet groove 3 are completed, the synchronizing belt 7023 continues to move at the moment, therefore, the plate 7026 is forced to be contacted with the driving plate 7025 on the next plugging plate 701, and the opening and plugging of the air inlet grooves 3 can be controlled sequentially only by driving force of one driving synchronizing wheel 7022, so that the use is more convenient and quick.
As shown in fig. 1, 3, 5, 8 and 11, in order to more accurately control the moving position of the synchronous belt 7023, the transmission assembly 8 includes a sliding rod 801 vertically slidably mounted on the carrier 1, a connecting cylinder 802 is constructed at one end of the sliding rod 801, a wedge-shaped insert plate 803 is slidably mounted at one side of the connecting cylinder 802, a collision elastic sheet 805 is mounted between the wedge-shaped insert plate 803 and the connecting cylinder 802, a plurality of wedge-shaped grooves 804 for inserting the wedge-shaped insert plate 803 are formed on a plane of the synchronous belt 7023 along the length direction thereof, a driving assembly 9 for driving the sliding rod 801 to move is mounted on the carrier 1, that is, when the sliding rod 801 is driven to move from top to bottom by the driving assembly 9, the connecting cylinder 802 mounted on the sliding rod 801 is indirectly driven to move downward when the sliding rod 801 moves downward, the wedge-shaped insert plate 803 is indirectly driven to move downward, the bottom plane of the wedge-shaped plugboard 803 is in contact with the wedge-shaped groove 804 in the downward movement process of the wedge-shaped plugboard 803, so that the synchronous belt 7023 is driven to move clockwise, after the wedge-shaped plugboard 803 moves downwards to the maximum limit position, the synchronous belt 7023 forces the plate 7026 to be just in contact with the driving plate 7025 on the plugging plate 701, so that one air inlet groove 3 is in an open state, when the sliding rod 801 moves from bottom to top, the inclined plane of the wedge-shaped plugboard 803 is in contact with the inclined plane of the wedge-shaped groove 804, so that the wedge-shaped plugboard 803 moves inwards to the connecting cylinder 802 until the wedge-shaped groove 804 is separated, the sliding rod 801 continues to move, when the sliding rod 801 moves upwards to the maximum limit position, the wedge-shaped plugboard 803 is forced to be inserted into the other wedge-shaped groove 804 due to the elastic deformation characteristic of the abutting elastic sheet 805, and at the moment, the sliding rod 801 moves downwards through the driving assembly 9, furthermore, the bottom plane of the wedge-shaped plugboard 803 is abutted against the plane of the wedge-shaped groove 804 to drive the synchronous belt 7023 to move clockwise again, so that the movement of the synchronous belt 7023 is controlled in a directional manner, the movement distance of each time is consistent, the accurate control plugging plate 701 sequentially opens and closes the air inlet groove 3, and when the device is used, the synchronous belt 7023 needs to be moved in advance, so that the next movement of the plate 7026 is ensured to be positioned at the lowest position of the plugging plate 701, and therefore, when the synchronous belt 7023 moves, the plugging plate 701 sequentially opens and closes from bottom to top.
As shown in fig. 1, 4 and 5, in order to ensure the stability when the plate 7026 is forced to move, an annular arc groove 17 is formed in the mounting plate 7021, one side of the plate 7026 is provided with a shaft lever 18 positioned in the annular arc groove 17, and when the plate 7026 is forced to move, the shaft lever 18 is positioned in the annular arc groove 17, so that the plate 7026 is forced to be more stable when moving;
in order to prevent the pulley from accidentally moving due to the interference force of the plate 7026 when the sliding rod 801 moves from bottom to top, the mounting plate 7021 is rotatably provided with the rotating rod 19, one end of the rotating rod 19 is rotatably provided with the pressing roller 20, a spring telescopic rod 21 is hinged between the rotating rod 19 and the mounting plate 7021, the pressing roller 20 is made to abut against the outer circumferential side of the synchronous belt 7023 through the spring telescopic rod 21, the spring telescopic rod 21 is of an existing structure and consists of a cylinder body, a rod body and a spring, the rod body is slidably inserted into the cylinder body, the spring is positioned in the cylinder body, two ends of the spring are respectively connected with the cylinder body, one end of the cylinder body is hinged on the mounting plate 7021, one end of the rod body is hinged on the rotating rod 19, the pressing roller 20 is made to abut against the synchronous belt 7023 through the elastic deformation characteristic of the spring, the friction force between the synchronous belt 7023 and the synchronous wheel 7022 is increased, and the plate 7026 is prevented from accidentally driving the synchronous belt 7023 to move from bottom to top.
Example two
As shown in fig. 2 and 3, the present embodiment further completes the present application on the basis of the first embodiment, the driving unit 9 includes a rotating disc 901 rotatably mounted on a carrier 1, one side of the rotating disc 901 is eccentrically configured with a post 902, a sliding rod 801 is configured with a connecting plate 903, a movable groove 904 is horizontally formed on the connecting plate 903, the post 902 is tangent to the movable groove 904, that is, when the rotating disc 901 rotates, the rotating disc 901 rotates to indirectly drive the post 902 configured thereon to move, because the post 902 is tangent to the movable groove 904, the post 902 moves in the movable groove 904 and rotates along the axis of the post with respect to the connecting plate 903, thereby forcing the connecting plate 903 to move vertically, which also means that, after the rotating disc 901 rotates one time, the connecting plate 903 reciprocates to indirectly drive the sliding rod 801 to reciprocate once, the carrier 1 is provided with a time delay mechanism 10 for driving the rotating disc 901 regularly, the rotating disc 901 can rotate at fixed time through the time delay mechanism 10, thus when the rotating disc 901 rotates to enable the sliding rod 801 to move from top to bottom, one air inlet groove 3 is in an open state, the outside air enters the air inlet groove 3 and enters the detecting tube 4 when the air in the air inlet groove 3 is in the open state, when the air in the detecting tube 4 completes detection, the time delay mechanism 10 just drives the rotating disc 901 to rotate for one circle, then drives the sliding rod 801 to move from bottom to top and then moves from top to bottom, so that the next air inlet groove 3 is in the state, and so on, the time for stopping rotating the rotating disc 901 by the time delay mechanism 10 is the time spent for detection, thus only the time spent for detection between the timing control detecting mechanisms 6 is needed, the automatic batch measurement of the air with different heights in the room can be realized, the use is more convenient, and the opening and closing time of the air suction mechanism 5 is also required to be controlled in the embodiment.
As shown in fig. 1-3 and 6, the delay mechanism 10 comprises a transmission plate 1001 horizontally and slidably mounted on a carrier 1, a driving toothed plate 1002 is mounted on the top of the transmission plate 1001, a driven gear 1003 meshed with the driving toothed plate 1002 is mounted on the rotation plate 901, two transmission wheels 1004 horizontally distributed are rotatably mounted on the carrier 1, a transmission belt 1005 is mounted between the two transmission wheels 1004, a forcing rod 1006 is constructed on one surface of the transmission belt 1005, a transmission groove 1007 is vertically formed on one side of the transmission plate 1001, the forcing rod 1006 is tangent in the transmission groove 1007, a motor 1008 for driving one of the transmission wheels 1004 to rotate is mounted on the carrier 1, that is, when an output shaft of the motor 1008 rotates, one of the transmission wheels 1004 rotates, and then the transmission belt 1005 is driven to move, when the transmission belt 1005 moves, the forcing rod 1006 is tangent to the transmission groove 1007, the rod 1006 is forced to rotate relative to the transmission plate 1001 in the moving process, the rod 1006 is forced to rotate along the axis of the rod 1006 in the transmission groove 1007, the transmission plate 1001 is further forced to move, the transmission plate 1001 indirectly drives the driving toothed plate 1002 mounted on the transmission plate 1001 to move in the moving process, as shown in fig. 1, the driving toothed plate 1002 is meshed with the driven gear 1003 in the left-to-right process, so as to drive the rotating disc 901 to rotate for half a turn, the rod 902 is moved from the uppermost part to the lowermost part, the sliding rod 801 is further moved from top to bottom, the driving toothed plate 1002 also moves along with the continuous movement of the transmission belt 1005, the driving toothed plate 1002 is pumped by the pumping mechanism 5 to the detection tube 4 and the detection time in the period of not meshed with the driven gear 1003, when the driving toothed plate 1002 is meshed with the driven gear 1003 from left to right, the rotating disc 901 is rotated for half a turn, the sliding rod 801 at this time is reset from bottom to top, and when the driving toothed plate 1002 moves to the maximum right limit position, the driving toothed plate starts to move from right to left, and then drives the rotating disk 901 to rotate, so that the sliding rod 801 is forced to move downwards from top to bottom, a cycle is formed, the motor 1008 only needs to be kept on all the time, repeated starting is not needed, and the use is convenient.
As shown in fig. 1-3 and 12, in some embodiments, in order to prevent the rotating disc 901 from rotating too much due to inertia, the rotating disc 901 is rotatably mounted on the carrier 1 through the rotating shaft 15, the sleeve 13 is vertically mounted on the carrier 1, the positioning rod 14 is vertically slidably mounted on the sleeve 13, one end of the positioning rod 14 is a convex arc surface, the abutting spring 22 is mounted between the positioning rod 14 and the sleeve 13, two arc-shaped holes 16 for inserting the convex arc surface of the rotating shaft 15 are symmetrically formed on the outer circumferential side of the rotating shaft 15, when the driving toothed plate 1002 passes through the driven gear 1003, the rotating disc 901 rotates a half circle, one end of the positioning rod 14 at the moment is inserted into one of the arc-shaped holes 16, and the positioning rod 14 is abutted against the arc-shaped holes 16 due to the elastic deformation characteristic of the abutting spring 22, so that the rotating disc 901 is prevented from rotating too much due to inertia, and after the driving toothed plate 1002 is meshed with the driven gear 1003, the positioning rod 14 is inserted into one end of the arc-shaped hole, the positioning rod 14 is separated from the arc-shaped hole 16 due to the outer circumference until the other arc-shaped hole is inserted into the arc-shaped hole 16, and the arc-shaped hole is prevented from playing a limiting role.
Example III
As shown in fig. 1 and 14, this embodiment further improves the present application on the basis of the first embodiment and the second embodiment, the air extraction mechanism 5 includes an air pump 501 mounted on the carrier 1, an air extraction pipe 502 is connected to an air extraction end of the air pump 501, a docking pipe 503 is connected to one side of the detection pipe 4, one end of the air extraction pipe 502 is connected to a free end of the docking pipe 503, a vent hole 504 is formed on one side of the docking pipe 503, an annular plate 505 is formed inside the docking pipe 503, a plugging assembly 11 acting on the vent hole 504 and the annular plate 505 is mounted on the docking pipe 503, the vent hole 504 or the annular plate 505 is plugged by the plugging assembly 11, that is, the plugging and opening states of the vent hole 504 and the annular plate 505 are controlled by the plugging assembly 11, and then the circulation state of air is controlled, and a sliding groove 1101 is formed on the peripheral side of the docking pipe 503; the blocking assembly 11 includes a sliding cylinder 1102 slidably fitted over the abutting pipe 503, the sliding cylinder 1102 slidably covering the vent holes 504, the sliding cylinder 1102 covering the sliding groove 1101 and having a boss 1103 formed on the inner peripheral side thereof to pass through the sliding groove 1101, a connecting rod 1104 formed on the free end of the boss 1103 to pass through the annular plate 505, the connecting rod 1104 having a diameter smaller than the inner diameter of the annular plate 505, an annular blocking piece 1105 formed on the connecting rod 1104 to cover the inner portion of the annular plate 505, a linking member 12 mounted on the sliding cylinder 1102 to act on the transmission plate 1001, when the transmission plate 1001 moves, the sliding cylinder 1102 is moved by the linking member 12, it is required that the sliding cylinder 1102 does not cover the vent holes 504 in a normal state, and the annular blocking piece 1105 covers the inner portion of the annular plate 505, which means that when the air pump 501 is started, external air enters into the vent holes 504 and then directly enters into the suction pipe 502, because the annular blocking piece 1105 is in a state of shielding the interior of the annular plate 505 at this time, air cannot enter the detection tube 4, when the transmission plate 1001 moves, the sliding cylinder 1102 moves through the linkage piece 12, the sliding cylinder 1102 shields the vent holes 504 in the moving process, meanwhile, the annular blocking piece 1105 indirectly moves without shielding the interior of the annular plate 505, and then the air enters the detection tube 4 from one air inlet groove 3 and sequentially passes through the butt joint tube 503 and the air exhaust tube 502, so that the air is in a circulation state in the direction, at this time, the air in the detection tube 4 is already the air extracted by the corresponding air inlet groove 3 (the air inlet groove 3 in the open state at this time), the sliding cylinder 1102 moves again through the linkage piece 12 along with the movement of the transmission plate 1001, so that the annular blocking piece 1105 shields the annular plate 505 again, the vent 504 is in the open state, prevents that the air flow rate in the detecting tube 4 from influencing the detection too fast, because the air in the detecting tube 4 has been changed and accomplished this moment, so the air inlet tank 3 is in the open state this moment and can not influence the air detection in the detecting tube 4, and the design of the linkage piece 12 has improved the whole continuity of use, does not need opening and closing of the timing control air pump 501, and is more convenient during the use.
As shown in fig. 1, 5, 13 and 14, in some embodiments, the linkage member 12 includes a limiting plate 1201 configured at one end of the connecting rod 1104, a plurality of ventilation slots 1204 are formed on the limiting plate 1201, a collision spring 1202 is installed between the limiting plate 1201 and the annular plate 505, the collision spring 1202 has a reset function, so that the annular blocking piece 1105 in a normal state blocks the interior of the annular plate 505 to block the ventilation of air, the ventilation hole 504 is in an open state at this time, and a trigger plate 1203 for contacting with the transmission plate 1001 is configured at the outer side of the sliding cylinder 1102;
a specific air extraction flow; as shown in fig. 1, the driving plate 1001 moves from right to left, and the driving toothed plate 1002 is meshed with the driven gear 1003 once, which means that one air inlet slot 3 is in an open state, and the driving plate 1001 contacts the trigger plate 1203 with the continuous movement of the driving plate 1001, so as to drive the sliding cylinder 1102 to move, the sliding cylinder 1102 moves to block the vent holes 504 and prevent the annular blocking piece 1105 from blocking the inside of the annular plate 505, and the air pump 501 is in a normally open state, so that the external air can enter the air inlet pipe 2, the detection pipe 4, the butt joint pipe 503 and the exhaust pipe 502 in sequence from the air inlet slot 3 due to the suction of the air pump 501, and is discharged to the outside through the air pump 501, because the air in the detection pipe 4 is in a circulating state at this time, the replacement of the air in the detection pipe 4 is completed, when the driving plate 1001 moves from left to right, the driving plate 1001 gradually breaks away from the trigger plate 1203, the elastic deformation characteristic of the abutting spring 1202 resets, and then the annular baffle 1105 shields the inside of the annular plate 505, the vent holes 504 are in an open state, so that the air in the detection tube 4 stops flowing after the replacement is completed, the process of moving the driving plate 1001 from left to right at this time is the time detected by the detection mechanism 6, until the driving plate 1001 moves from right to left for the next time, the driving force of the motor 1008 is needed when the driving plate is used, the timing control of the air suction time can be completed, the opening and closing of the air inlet groove 3 can be controlled, the operation is more convenient, the detection time of the detection mechanism 6 is only needed to be controlled at fixed time, and the labor amount of workers is further reduced.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. A thermal infrared-based carbon dioxide detection device, comprising:
the device comprises a carrier (1), wherein a detection tube (4) is arranged on the carrier (1), the top of the detection tube (4) is vertically communicated with an air inlet tube (2), and a plurality of air inlet grooves (3) are formed in a vertical array on the outer periphery side of the air inlet tube (2);
the air extraction mechanism (5) is arranged on one side of the detection tube (4) and is used for sucking the gas inside the detection tube (4) to the outside or stopping air extraction of the detection tube (4) through the air extraction mechanism (5);
the detection mechanism (6) comprises an infrared emission part (601) arranged on the carrier (1), an infrared emission source of the infrared emission part (601) faces the detection tube (4), an infrared light detector (602) for receiving infrared light is arranged on the carrier (1), and the detection tube (4) is positioned between the infrared emission part (601) and the infrared light detector (602);
the blocking mechanism (7) comprises a plurality of blocking plates (701) which are slidably arranged on the detection pipe (4), the blocking plates (701) are used for blocking the air inlet grooves (3), and a transmission piece (702) used for driving the blocking plates (701) to move is arranged on the carrier (1);
the transmission part (702) comprises a mounting plate (7021) mounted on a carrier (1), two synchronizing wheels (7022) which are distributed up and down are rotatably mounted on the mounting plate (7021), a synchronous belt (7023) is synchronously connected between the two synchronizing wheels (7022), a return spring (7024) is mounted between the sealing plate (701) and an air inlet pipe (2), a driving plate (7025) with the bottom of the sealing plate (701) being an inclined surface is mounted at the bottom, a forcing plate (7026) is mounted on the peripheral side of the synchronous belt (7023), an inclined surface is formed on one side of the forcing plate (7026), a transmission assembly (8) is mounted on the carrier (1), the transmission assembly (8) comprises a sliding rod (801) which is vertically arranged on the carrier (1) in a sliding mode, a connecting cylinder (802) is formed at one end of the sliding rod (801), a wedge-shaped plugboard (803) is slidably mounted on one side of the connecting cylinder (802), a wedge-shaped plugboard (803) is mounted between the wedge-shaped plugboard (803) and the connecting cylinder (802), a wedge-shaped plugboard (803) is mounted on the sliding rod (803) along the length of the sliding rod (801), a plurality of wedge-shaped plugboards (803) are mounted on the carrier (803) along the sliding rod (803) in the direction of the sliding rod (801), the driving component (9) comprises a rotating disc (901) rotatably arranged on a carrier (1), a post rod (902) is eccentrically arranged on one side of the rotating disc (901), a connecting plate (903) is arranged on the sliding rod (801), a movable groove (904) is horizontally arranged on the connecting plate (903), the post rod (902) is tangential in the movable groove (904), a timing driving rotating disc (901) delay mechanism (10) is arranged on the carrier (1), the delay mechanism (10) comprises a transmission plate (1001) horizontally and slidably arranged on the carrier (1), a driving toothed plate (1002) is arranged on the top of the transmission plate (1001), a driven gear (1003) meshed with the driving toothed plate (1002) is arranged on the rotating disc (901), two transmission wheels (1004) which are horizontally distributed are rotatably arranged on the carrier (1), a transmission belt (1007) is arranged between the two transmission wheels (1004), one surface of the transmission belt (1005) is provided with a forcing rod (1006), a motor (1006) is arranged on one side of the transmission plate (1001) in a vertical groove (1008), the transmission plate (1008) is tangentially arranged in one transmission groove (1005), the air extraction mechanism (5) comprises an air pump (501) arranged on a carrier (1), an air extraction end of the air pump (501) is communicated with an air extraction pipe (502), one side of the detection pipe (4) is communicated with a butt joint pipe (503), one end of the air extraction pipe (502) is connected with the free end of the butt joint pipe (503), an air vent (504) is formed in one side of the butt joint pipe (503), an annular plate (505) is arranged in the butt joint pipe (503), a plugging assembly (11) acting on the air vent (504) and the annular plate (505) is arranged on the butt joint pipe (503), the air vent (504) or the annular plate (505) is plugged through the plugging assembly (11), and a sliding groove (1101) is formed in the peripheral side of the butt joint pipe (503); the plugging assembly (11) comprises a sliding cylinder (1102) which is sleeved on the butt joint pipe (503), the sliding cylinder (1102) is sleeved with a sliding shielding vent hole (504), the sliding cylinder (1102) is provided with a protruding plate (1103) which penetrates through the sliding groove (1101) in a structure mode of the inner circumference side, the free end of the protruding plate (1103) is provided with a connecting rod (1104) which penetrates through the annular plate (505), the diameter of the connecting rod (1104) is smaller than the inner diameter of the annular plate (505), the connecting rod (1104) is provided with an annular baffle (1105) which is used for shielding the inner part of the annular plate (505), and the sliding cylinder (1102) is provided with a linkage piece (12) which acts on the transmission plate (1001), and when the transmission plate (1001) moves, the sliding cylinder (1102) moves through the linkage piece (12).
2. The carbon dioxide detection device based on thermal infrared according to claim 1, wherein the linkage member (12) comprises a limiting plate (1201) configured at one end of the connecting rod (1104), a plurality of ventilation grooves (1204) are formed in the limiting plate (1201), a collision spring (1202) is mounted between the limiting plate (1201) and the annular plate (505), and a triggering plate (1203) for contacting with the transmission plate (1001) is configured at the outer side of the sliding cylinder (1102).
3. The carbon dioxide detection device based on thermal infrared according to claim 1, wherein the rotating disc (901) is rotatably installed on the carrier (1) through the rotating shaft (15), the sleeve (13) is vertically installed on the carrier (1), the positioning rod (14) is vertically installed on the sleeve (13) in a sliding mode, one end of the positioning rod (14) is a convex arc surface, the abutting spring (22) is installed between the positioning rod (14) and the sleeve (13), and two arc holes (16) for inserting the convex arc surface of the rotating shaft (15) are symmetrically formed in the periphery of the rotating shaft (15).
4. The carbon dioxide detection device based on thermal infrared according to claim 1, wherein an annular arc groove (17) is formed in the mounting plate (7021), a shaft lever (18) located in the annular arc groove (17) is configured on one side of the forcing plate (7026), a rotating rod (19) is rotatably mounted on the mounting plate (7021), a pressing roller (20) is rotatably mounted at one end of the rotating rod (19), a spring telescopic rod (21) is hinged between the rotating rod (19) and the mounting plate (7021), and the pressing roller (20) is abutted to the outer peripheral side of the synchronous belt (7023) through the spring telescopic rod (21).
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| CN202410142717.3A CN117664665B (en) | 2024-02-01 | 2024-02-01 | Carbon dioxide detection device based on thermal infrared |
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| CN202410142717.3A CN117664665B (en) | 2024-02-01 | 2024-02-01 | Carbon dioxide detection device based on thermal infrared |
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