A traffic road carbon emission detection device

Abstract

The application relates to the technical field of carbon emission detection, and discloses a traffic road carbon emission detection device which comprises a detection module and a plurality of collecting modules, the plurality of collecting modules are connected with the detection module through pipelines, the collecting module comprises a collecting end, a filter cover arranged on the collecting end and a noise sensor and a wireless communication module arranged in the collecting end, and the detection module comprises a shell fixed on a road through a supporting rod. The traffic road carbon emission detection device is provided with a plurality of collecting barrels in the shell, the gas at different positions of the collecting modules can be collected through the driving of the up-and-down piston plates in the collecting barrels, carbon emission detection work can be carried out through a carbon emission detector, the carbon emission detection work in different areas can be met, a plurality of carbon emission detectors do not need to be arranged to detect the carbon emission in different areas, and therefore the functionality and practicability of the carbon emission detection equipment are improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of carbon emission detection, and particularly relates to a traffic road carbon emission detection device. BACKGROUND

[0002] In recent years, the number of automobiles has rapidly increased, and the automobile industry is also growing rapidly. Air pollution, poor road traffic conditions and resource supply shortages have become increasingly prominent. Many studies have shown that motor vehicle exhaust emissions have become the main source of urban air pollution. The Chinese patent with the publication number CN115436565A discloses a low-carbon traffic road carbon emission detection device. The device is placed in a traffic congestion section, a multi-section intersection or near a traffic monitoring device, so that the device can monitor and record passing vehicles, improve the functionality of the device, facilitate subsequent purification, and reduce air pollution.

[0003] In the related art, the existing carbon emission detection device can only detect local positions when detecting the carbon emission of a traffic road area, cannot meet the monitoring of different regional positions, has great limitations, and requires the installation of a number of detection devices in different areas to form a large-scale detection work, which is costly. Moreover, the carbon emission of a traffic road is mainly affected by vehicle exhaust, and the existing carbon emission detection device cannot detect vehicle exhaust emissions in close proximity, thereby reducing the use effect of the carbon emission detection device. SUMMARY

[0004] (I) Technical problems solved

[0005] In view of the deficiencies of the prior art, the application provides a traffic road carbon emission detection device. A number of collection cylinders are arranged in the interior of the shell, and the gas at different collection module positions can be collected by driving the piston plate in the collection cylinder up and down. Carbon emission detection work is performed by a carbon emission detector, which meets the carbon emission detection work of different regional positions, does not require multiple carbon emission detectors for carbon emission detection in different regions, further improves the functionality and practicality of the carbon emission detection device, and solves the problem that the carbon emission detection device in the prior art can only detect the carbon emission of a local area, has great limitations, and cannot aggregate multiple regions to form unified detection.

[0006] (II) Technical solutions

[0007] In order to achieve the above object, the present application provides the following technical scheme: a traffic road carbon emission detection device, comprising a detection module and a plurality of collection modules, the plurality of collection modules are connected with the detection module through pipelines, the collection module comprises a collection end, a filter cover arranged on the collection end, and a noise sensor and a wireless communication module arranged inside the collection end;

[0008] The detection module comprises a shell fixed on the road through a support rod, a controller is fixedly connected to the top of the inner wall of the shell, a fixing frame is fixedly connected to the bottom of the inner wall of the shell, a plurality of collection barrels arranged in a ring array are fixedly connected to the top of the fixing frame, a piston plate that can be driven up and down is arranged inside the plurality of collection barrels, a monitoring barrel is fixedly communicated between the bottoms of the plurality of collection barrels through a branch pipe, a carbon emission detector is fixedly connected to the bottom of the inner wall of the shell, and a monitoring end of the carbon emission detector extends into the inside of the monitoring barrel, and a driving assembly for driving the piston plate inside the plurality of collection barrels up and down is arranged inside the shell.

[0009] Preferably, the bottom of the collection barrel is fixedly communicated with a suction pipe and an exhaust pipe respectively, the top of the collection barrel is fixedly communicated with an air exchange pipe, and a first one-way valve is arranged on the suction pipe, the exhaust pipe, the air exchange pipe and the plurality of branch pipes;

[0010] A plurality of storage assemblies for storing carbon gas during detection are arranged on the shell.

[0011] Preferably, the storage assembly comprises a threaded cover fixed to the bottom of the shell, a storage bottle is threadedly mounted to the bottom of the threaded cover, the top of the collection barrel is fixedly communicated with a shunt pipe, one end of the shunt pipe extends to the inner bottom of the storage bottle through the threaded cover, a gas guide pipe is fixedly communicated with the threaded cover, a second one-way valve is arranged on the gas guide pipe, an electromagnetic valve is arranged on the shunt pipe, the exhaust pipe and the plurality of branch pipes, and a one-way piece is arranged on the piston plate.

[0012] Preferably, the one-way piece comprises a conical hole formed in the inside of the piston plate, a conical gravity sealing block that can move up and down is arranged in the inside of the conical hole, and the conical gravity sealing block is slidably connected to the top of the piston plate through a sliding frame.

[0013] Preferably, the top of the piston plate is fixedly connected with an activity rod, the top end of the activity rod extends to the top of the collection barrel, and a U-shaped connecting frame is fixedly connected to the top end of the activity rod.

[0014] The driving assembly comprises a jacking piece for driving the piston plate inside one of the collection barrels up and down, and a conversion piece for converting the position of the jacking piece.

[0015] Preferably, the conversion piece comprises a sleeve rotatably connected to the inside of the shell through a support, the inside of the sleeve is provided with a transmission shaft, and the bottom end of the transmission shaft is fixedly connected with a fan-shaped connecting plate for being inserted into the inside of the U-shaped connecting frame.

[0016] The inner surface of the sleeve is provided with at least one strip-shaped slot, and the outer surface of the transmission shaft is fixedly connected with at least one strip-shaped sliding block for sliding in the strip-shaped slot.

[0017] Preferably, the top of the inner wall of the shell is fixedly connected with a motor, the output shaft of the motor is fixedly connected with a rotating shaft, and the rotating shaft is in transmission connection with the sleeve through a first belt group.

[0018] Preferably, the jacking piece comprises a reciprocating lead screw rotatably connected to the inside of the shell through a support, the outer surface of the reciprocating lead screw is in transmission connection with a reciprocating support, and the top end of the transmission shaft is rotatably connected to the top of the reciprocating support.

[0019] The rotating shaft is in transmission connection with the reciprocating lead screw through a second belt group, the first belt group and the second belt group are both connected with the rotating shaft through one-way bearings, and the two one-way bearings are installed in opposite locking directions, and the motor is a reversible motor.

[0020] (Three) beneficial effects

[0021] Compared with the prior art, the present application provides a traffic road carbon emission detection device, which has the following beneficial effects:

[0022] 1、The present application sets a plurality of collection cylinders in the inside of the shell, and drives the piston plate up and down in the collection cylinder, so as to collect the gas at different collection module positions, detect the carbon emission by the carbon emission detector, meet the carbon emission detection work in different areas, without setting multiple carbon emission detectors for carbon emission detection in different areas, further improve the functionality and practicability of the carbon emission detection equipment, solve the problem that the carbon emission detection device in the prior art can only detect the carbon emission in a local area, has great limitations, and cannot collect multiple areas to form unified detection.

[0023] 2、The present application drives the piston plate upward, so as to draw the gas at the collection module position through the air suction pipe and into the collection cylinder, block the exhaust pipe and the branch pipe through the electromagnetic valve, and then extrude the piston plate downward, so as to make the lower layer gas enter the upper layer space through the one-way piece, and finally cooperate with the upward movement of the piston plate to extrude the upper layer gas, so that the upper layer gas enters the storage bottle through the shunt pipe for collection work, has good sample gas collection work, is convenient for subsequent workers to conduct deep research and analysis on the sample gas, and improves the functionality and practicability of the detection equipment.

[0024] 3. In the present invention, the first belt group and the second belt group are both connected to the rotating shaft through a one-way bearing, and the two one-way bearings are installed in opposite directions with opposite locking, so that when the motor rotates clockwise, one of the one-way bearings can drive the first belt group to rotate, forming the rotation of the transmission shaft and the fan-shaped connecting plate, thereby meeting the driving preparation work of the piston plates inside different collection tubes. On the contrary, when the motor rotates counterclockwise, the reciprocating screw can be driven to rotate through the other one-way bearing and the second belt group, forming the up and down driving work of the transmission shaft and the fan-shaped connecting plate, thereby driving the fan-shaped movement of the piston plate, and fully utilizing the rotational driving force of the motor, with good linkage and combination function, thereby improving the functionality and energy saving and environmental protection of the driving component. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the present invention;

[0026] Figure 2 For the present invention Figure 1 Schematic diagram of the structure of the detection module;

[0027] Figure 3 For the present invention Figure 2 a front view of a cross section of the middle shell;

[0028] Figure 4 For the present invention Figure 2 a cross-sectional side view of the middle shell;

[0029] Figure 5 For the present invention Figure 1 Schematic diagram of the connection between the drive assembly, storage assembly and collection tube;

[0030] Figure 6 For the present invention Figure 5 A schematic cross-sectional view of the combination of the storage assembly and the collection tube;

[0031] Figure 7 For the present invention Figure 6 A schematic cross-sectional view of the collecting tube;

[0032] Figure 8 For the present invention Figure 7 A partial enlarged view of point A in the middle;

[0033] Figure 9 For the present invention Figure 5 Schematic diagram of the structure of the middle drive component;

[0034] Figure 10 For the present invention Figure 9 Schematic diagram of the telescopic state of the middle transmission shaft.

[0035] In the figure: 100, detection module; 200, acquisition module;

[0036] 1, shell; 2, controller; 3, fixing frame;

[0037] 4, acquisition cylinder; 41, piston plate; 42, air suction pipe; 43, exhaust pipe; 44, conical hole; 45, conical gravity sealing block; 46, movable rod; 47, U-shaped connecting frame;

[0038] 5, monitoring cylinder; 6, carbon emission detector; 7, driving assembly;

[0039] 71, jacking piece; 711, reciprocating lead screw; 712, reciprocating support;

[0040] 72, conversion piece; 721, sleeve; 722, transmission shaft; 723, fan-shaped connecting plate; 724, strip-shaped sliding block; 725, motor; 726, first belt set; 727, second belt set; 728, rotating shaft;

[0041] 8, storage assembly; 81, threaded cap; 82, storage bottle; 83, shunt pipe; 84, air guide pipe. DETAILED DESCRIPTION

[0042] The technical solutions in 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. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0043] Embodiment 1:

[0044] Referring to the drawings Figures 1-10 A traffic road carbon emission detection device includes a detection module 100 and a plurality of acquisition modules 200. The plurality of acquisition modules 200 are connected to the detection module 100 through pipelines. The acquisition module 200 includes an acquisition end, a filter cover arranged on the acquisition end, and a noise sensor and a wireless communication module arranged inside the acquisition end.

[0045] The acquisition module 200 is installed in the middle of the road and near the zebra crossing position, so as to collect the exhaust gas of the stopped vehicle. The noise sensor can detect the noise generated by the stopped vehicle, so as to collect carbon gas when the vehicle is stopped. The wireless communication module and the detection module 100 transmit information to form an automatic gas collection work. The acquisition end is connected with a drain pipe, and one end of the drain pipe is connected with a sewer, so as to orderly discharge rainwater.

[0046] The detection module 100 comprises a shell 1 fixed on the road through a support rod, a controller 2 fixedly connected to the top of the inner wall of the shell 1, a fixing frame 3 fixedly connected to the bottom of the inner wall of the shell 1, a plurality of collection barrels 4 arranged in a ring array and fixedly connected to the top of the fixing frame 3, a piston plate 41 arranged inside each of the plurality of collection barrels 4 and capable of being driven up and down, a monitoring barrel 5 fixedly communicated between the bottoms of the plurality of collection barrels 4 through a branch pipe, a carbon emission detector 6 fixedly connected to the bottom of the inner wall of the shell 1, and a monitoring end of the carbon emission detector 6 extending into the inside of the monitoring barrel 5, and a driving assembly 7 arranged inside the shell 1 and used for driving the piston plate 41 in the inside of each of the plurality of collection barrels 4 up and down.

[0047] By arranging a plurality of collection barrels 4 in the inside of the shell 1 and cooperating with the up-and-down driving of the piston plate 41 in the inside of each of the plurality of collection barrels 4, the gas at different positions of the collection module 200 can be collected, the carbon emission detection work can be performed by the carbon emission detector 6, the carbon emission detection work in different areas can be met, a plurality of carbon emission detectors 6 do not need to be arranged to perform the carbon emission detection in different areas, the functionality and practicability of the carbon emission detection equipment are further improved, the carbon emission detection device in the prior art can usually only detect the carbon emission in a local area, has great limitation, and cannot collect multiple areas to form unified detection.

[0048] Referring to the accompanying drawings Figures 1 to 6 The bottom of each of the plurality of collection barrels 4 is fixedly communicated with a suction pipe 42 and an exhaust pipe 43, the top of each of the plurality of collection barrels 4 is fixedly communicated with an air exchange pipe, a first one-way valve is arranged on each of the suction pipe 42, the exhaust pipe 43, the air exchange pipe and the plurality of branch pipes, and the suction pipe 42 is connected with the collection module 200 through a pipeline;

[0049] By driving the piston plate 41 upward, the carbon gas at the position of the collection module 200 can be extracted through the suction pipe 42, by driving the piston plate 41 downward, the extracted gas can be extruded, the gas can be discharged through the exhaust pipe 43, and part of the gas can be introduced into the monitoring barrel 5 through the branch pipe and detected by the carbon emission detector 6;

[0050] By arranging the first one-way valve on each of the suction pipe 42, the exhaust pipe 43, the air exchange pipe and the plurality of branch pipes, the suction pipe 42, the exhaust pipe 43, the air exchange pipe and the plurality of branch pipes can be controlled in one direction through the first one-way valve, and the orderliness of the gas flow is improved;

[0051] A plurality of storage assemblies 8 for storing the carbon gas during detection are arranged on the shell 1;

[0052] Through the setting of the storage assembly 8, the carbon gas in the detection process is collected, so that the staff can conduct deep research and analysis on the sample gas, and the functionality and practicability of the gas detection equipment are improved.

[0053] With reference to the accompanying drawings Figure 7 The storage assembly 8 comprises a threaded cover 81 fixed to the bottom of the shell 1, a storage bottle 82 is threadedly installed at the bottom of the threaded cover 81, the top of the collection cylinder 4 is fixedly connected with a shunt pipe 83, one end of the shunt pipe 83 extends to the inner bottom of the storage bottle 82 through the threaded cover 81, a gas guide pipe 84 is fixedly connected to the threaded cover 81, and a second one-way valve is arranged on the gas guide pipe 84, an electromagnetic valve is arranged on the shunt pipe 83, the exhaust pipe 43 and the plurality of branch pipes, and a one-way piece is arranged on the piston plate 41;

[0054] The one-way piece comprises a through pipe fixed to the inside of the piston plate 41 and a one-way valve arranged on the through pipe, which not only connects the upper cavity and the lower cavity of the collection cylinder 4, but also controls the one-way flow of the lower gas into the upper cavity through the one-way valve.

[0055] Through the upward driving of the piston plate 41, the gas at the position of the collection module 200 can be pumped through the gas suction pipe 42 and into the collection cylinder 4, the electromagnetic valve is used to block the exhaust pipe 43 and the branch pipes, and then the downward extrusion of the piston plate 41 can make the lower gas enter the upper space through the one-way piece, and finally the upward movement of the piston plate 41 can extrude the upper gas, so that the upper gas enters the storage bottle 82 through the shunt pipe 83 for collection, which has good sample gas collection work, facilitates the staff to conduct deep research and analysis on the sample gas, and improves the functionality and practicability of the gas detection equipment.

[0056] With reference to the accompanying drawings Figure 8 The one-way piece comprises a tapered hole 44 opened in the inside of the piston plate 41, and a tapered gravity sealing block 45 movably arranged in the inside of the tapered hole 44, and the tapered gravity sealing block 45 is slidably connected to the top of the piston plate 41 through a sliding frame.

[0057] Through the opening of the tapered hole 44, the upper cavity and the lower cavity of the collection cylinder 4 are connected, so that the gas in the lower cavity enters the upper cavity, and the sampling work of the storage assembly 8 is facilitated.

[0058] By setting the conical gravity sealing block 45 which can move up and down inside the conical hole 44, the conical hole 44 is facilitated to be blocked in one direction, so that when the exhaust pipe 43 and the several branch pipes are closed by the electromagnetic valve, the lower layer gas can be extruded by the downward movement of the piston plate 41, so that the lower layer gas impacts the conical gravity sealing block 45, so that the lower layer gas enters the upper layer, and finally, the upward movement of the piston plate 41 is matched, the conical gravity sealing block 45 blocks the conical hole 44 by its own gravity, so that the upper layer gas enters the storage bottle 82 through the shunt pipe 83, forming a collection work, having a good one-way control function.

[0059] Referring to the accompanying drawings Figure 7 , Figure 9 and Figure 10 , the top of the piston plate 41 is fixedly connected with the movable rod 46, the top end of the movable rod 46 extends to the top of the collection cylinder 4, and the top end of the movable rod 46 is fixedly connected with the U-shaped connecting frame 47;

[0060] The movable rod 46 is connected with the piston plate 41 through the U-shaped connecting frame 47, so that the upward and downward movement of the U-shaped connecting frame 47 can drive the piston plate 41 to move up and down, forming the gas collection and exhaust work of the collection cylinder 4, so as to facilitate the carbon emission detection work of the carbon emission detector 6;

[0061] The driving assembly 7 includes a jacking piece 71 for driving the piston plate 41 inside one of the collection cylinders 4 up and down, and a conversion piece 72 for converting the position of the jacking piece 71;

[0062] The conversion piece 72 is provided for detachable connection of the U-shaped connecting frame 47 above different collection cylinders 4, so as to meet the collection and exhaust work of different collection cylinders 4, and further realize the carbon emission detection work of different area positions;

[0063] The jacking piece 71 is provided for driving the conversion piece 72 up and down, so that the piston plate 41 can be driven to move up and down through the U-shaped connecting frame 47 and the movable rod 46, forming the collection and exhaust work of the collection cylinder 4, and the jacking piece 71 can be an electric telescopic rod for driving the conversion piece 72 up and down.

[0064] Embodiment 2: different from embodiment 1;

[0065] Referring to the accompanying drawings Figure 9 and Figure 10 , the conversion piece 72 includes a sleeve 721 rotatably connected inside the housing 1 through a support, a transmission shaft 722 is arranged inside the sleeve 721, and the bottom end of the transmission shaft 722 is fixedly connected with a fan-shaped connecting plate 723 inserted into the inside of the U-shaped connecting frame 47;

[0066] The bottom end of the transmission shaft 722 is fixedly connected with a fan-shaped connecting plate 723, which is moved into one of the U-shaped connecting frames 47 through the fan-shaped connecting plate 723, and cooperates with the up-down driving of the transmission shaft 722 to drive the U-shaped connecting frame 47 to move up and down, and then drives the piston plate 41 to move up and down through the movable rod 46, forming the gas collection and exhaust work of the collection cylinder 4;

[0067] The inner surface of the sleeve 721 is provided with at least one strip-shaped slot, and the outer surface of the transmission shaft 722 is fixedly connected with at least one strip-shaped sliding block 724 for sliding in the strip-shaped slot;

[0068] The strip-shaped sliding block 724 on the outer surface of the transmission shaft 722 slides in the strip-shaped slot, which not only facilitates the smooth up-down movement of the transmission shaft 722, but also does not affect the rotary driving work of the sleeve 721 on the transmission shaft 722, and has a multi-directional transmission function.

[0069] The top of the inner wall of the shell 1 is fixedly connected with a motor 725, and the output shaft of the motor 725 is fixedly connected with a rotating shaft 728, which is in transmission connection with the sleeve 721 through the first belt set 726;

[0070] The motor 725 is connected with the power supply and control switch of the outside world, which is set by using the existing connection mode and coding mode, for driving the rotating shaft 728 to rotate, and through the rotation of the rotating shaft 728, the sleeve 721 can be driven to rotate through the first belt set 726, and then the transmission shaft 722 and the fan-shaped connecting plate 723 can be driven to rotate, so as to meet the movement of the fan-shaped connecting plate 723 into the U-shaped connecting frame 47 above different collection cylinders 4, forming the gas collection work of the collection cylinder 4.

[0071] Embodiment 3: different from embodiment 1 is that;

[0072] Referring to the accompanying drawings Figure 9 And Figure 10 The jacking member 71 includes a reciprocating screw 711 which is rotatably connected inside the shell 1 through a support, the outer surface of the reciprocating screw 711 is in transmission connection with a reciprocating support 712, and the top end of the transmission shaft 722 is rotatably connected to the top of the reciprocating support 712;

[0073] Through the rotation of the reciprocating screw 711, the reciprocating support 712 can be driven to reciprocate up and down, and through the up-down movement of the reciprocating support 712, the transmission shaft 722 can be driven to move up and down, forming the up-down movement of the fan-shaped connecting plate 723, and the fan-shaped connecting plate 723 is inserted into one of the U-shaped connecting frames 47, and cooperates with the up-down movement of the fan-shaped connecting plate 723, so as to drive the piston plate 41 to move up and down through the U-shaped connecting frame 47 and the movable rod 46, forming the sampling carbon emission detection work;

[0074] The rotating shaft 728 is in transmission connection with the reciprocating lead screw 711 through the second belt set 727, the first belt set 726 and the second belt set 727 are both connected with the rotating shaft 728 through one-way bearings, and the two one-way bearings are installed in opposite locking directions, and the motor 725 is a reversible motor;

[0075] The first belt set 726 and the second belt set 727 are both connected with the rotating shaft 728 through one-way bearings, and the two one-way bearings are installed in opposite locking directions, so that when the motor 725 rotates clockwise, one of the one-way bearings can drive the first belt set 726 to rotate, forming the rotation work of the transmission shaft 722 and the fan-shaped connecting plate 723, and further meeting the driving preparation work of the piston plate 41 in the different collecting barrels 4;

[0076] On the contrary, when the motor 725 rotates counterclockwise, the other one-way bearing can drive the reciprocating lead screw 711 to rotate, forming the up-down driving work of the transmission shaft 722 and the fan-shaped connecting plate 723, and further driving the fan-shaped movement of the piston plate 41, fully utilizing the rotation driving force of the motor 725, having good linkage function, improving the functionality and energy saving and environmental protection of the driving assembly 7;

[0077] The motor 725 is connected with the power supply and the control switch, and the motor 725 is set in the existing connection mode and coding mode, for driving the rotating shaft 728 to rotate in different directions, speeds and angles. Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A traffic road carbon emission detection device, characterized in that: The device comprises a detection module (100) and a plurality of collection modules (200), wherein the plurality of collection modules (200) are connected to the detection module (100) via pipelines, and the collection modules (200) comprise a collection terminal, a filter cover arranged on the collection terminal, and a noise sensor and a wireless communication module arranged inside the collection terminal; The collection module (200) is installed in the middle of the road and near the zebra crossing, and is used to collect exhaust gas from parked vehicles and detect the noise generated by the parked vehicles through a noise sensor. When the vehicle is parked, information is transmitted to the detection module (100) through a wireless communication module to form an automatic carbon gas collection operation. A drainage pipe is connected below the collection end, and one end of the drainage pipe is connected to a sewer to facilitate the orderly drainage of rainwater. The detection module (100) includes a shell (1) fixed on the road by a support rod, a controller (2) is fixedly connected to the top of the inner wall of the shell (1), a fixing frame (3) is fixedly connected to the bottom of the inner wall of the shell (1), a plurality of collection tubes (4) arranged in a ring array are fixedly connected to the top of the fixing frame (3), a piston plate (41) that can be driven up and down is provided inside the plurality of collection tubes (4), the bottoms of the plurality of collection tubes (4) are fixedly connected to a monitoring tube (5) through a branch pipe, a carbon emission detector (6) is fixedly connected to the bottom of the inner wall of the shell (1), and the monitoring end of the carbon emission detector (6) extends to the inside of the monitoring tube (5), and a driving component (7) for driving the piston plates (41) inside the plurality of collection tubes (4) up and down is provided inside the shell (1); The bottom of the collection tube (4) is fixedly connected to an exhaust pipe (42) and an exhaust pipe (43), and the top of the collection tube (4) is fixedly connected to a ventilation pipe. The exhaust pipe (42), the exhaust pipe (43), the ventilation pipe and several branch pipes are all equipped with a first one-way valve. The exhaust pipe (42) is connected to the collection module (200) through a pipeline. The housing (1) is provided with a plurality of storage components (8) for storing carbon gas during detection.

2. A traffic road carbon emission detection device according to claim 1, characterized in that: The storage assembly (8) includes a threaded cover (81) fixed to the bottom of the housing (1), and a storage bottle (82) is threadedly installed on the bottom of the threaded cover (81). The top of the collection tube (4) is fixedly connected to a shunt pipe (83), and one end of the shunt pipe (83) extends to the inner bottom of the storage bottle (82) through the threaded cover (81). The threaded cover (81) is fixedly connected to an air guide pipe (84), and a second one-way valve is provided on the air guide pipe (84). Solenoid valves are installed on the shunt pipe (83), the exhaust pipe (43) and several branch pipes, and a one-way member is provided on the piston plate (41).

3. The traffic road carbon emission detection device according to claim 2, characterized in that: The one-way member includes a tapered hole (44) opened inside the piston plate (41), and a tapered gravity sealing block (45) that can move up and down is provided inside the tapered hole (44). The tapered gravity sealing block (45) is slidably connected to the top of the piston plate (41) through a sliding frame.

4. The traffic road carbon emission detection device according to claim 1, characterized in that: The top of the piston plate (41) is fixedly connected to a movable rod (46), the top of the movable rod (46) extends to the top of the collection tube (4), and the top of the movable rod (46) is fixedly connected to a U-shaped connecting frame (47); The driving assembly (7) comprises a lifting member (71) for driving a piston plate (41) inside one of the collecting tubes (4) up and down, and a conversion member (72) for converting the position of the lifting member (71).

5. The traffic road carbon emission detection device according to claim 4, characterized in that: The conversion member (72) includes a sleeve (721) rotatably connected to the interior of the housing (1) via a bracket, a transmission shaft (722) passing through the interior of the sleeve (721), and a fan-shaped connecting plate (723) for inserting into the interior of the U-shaped connecting frame (47) is fixedly connected to the bottom end of the transmission shaft (722); At least one strip-shaped groove is formed on the inner surface of the sleeve (721), and at least one strip-shaped sliding block (724) for sliding inside the strip-shaped groove is fixedly connected to the outer surface of the transmission shaft (722).

6. The traffic road carbon emission detection device according to claim 5, characterized in that: A motor (725) is fixedly connected to the top of the inner wall of the housing (1); an output shaft of the motor (725) is fixedly connected to a rotating shaft (728); and the rotating shaft (728) is transmission-connected to the sleeve (721) via a first belt set (726).

7. The traffic road carbon emission detection device according to claim 6, characterized in that: The lifting member (71) includes a reciprocating screw (711) rotatably connected to the inside of the housing (1) through a bracket, the outer surface of the reciprocating screw (711) is transmission-connected to a reciprocating bracket (712), and the top end of the transmission shaft (722) is rotationally connected to the top of the reciprocating bracket (712); the rotating shaft (728) is transmission-connected to the reciprocating screw (711) through a second belt group (727), the first belt group (726) and the second belt group (727) are both connected to the rotating shaft (728) through a one-way bearing, and the two one-way bearings are installed in opposite directions by locking in opposite directions, and the motor (725) is an electric motor that can rotate forward and backward.

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