CN115728452A

CN115728452A - Engine exhaust monitoring device with dust collector

Info

Publication number: CN115728452A
Application number: CN202211463779.1A
Authority: CN
Inventors: 曹明
Original assignee: Henan Shangqiu Ecological Environment Monitoring Center
Current assignee: Henan Shangqiu Ecological Environment Monitoring Center
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-03

Abstract

The invention discloses an engine tail gas monitoring device with a dust removal device, which has the technical scheme that: the power distribution box comprises a box body, inside one side fixedly connected with extension board of box, the top of extension board is equipped with the monitoring devices who is used for detecting engine exhaust, the top fixedly connected with apron of box, the staff can start monitoring devices, monitoring devices monitors carbon monoxide in the exhaust gas, hydrocarbon, gaseous content such as nitrogen oxide, with this can reach the exhaust gas that produces the engine during operation and carry out the effect that detects, after the monitoring finishes, the staff can start the ventilation structure, the ventilation structure replaces the gas in the box, extract outside air to in the box, exhaust gas to the outside in the box, with this can reach and replace the gas in the box, when having avoided next monitoring gas, remaining tail gas influences the problem of monitoring.

Description

Engine exhaust monitoring device with dust collector

Technical Field

The invention relates to the technical field of engine tail gas monitoring, in particular to an engine tail gas monitoring device with a dust removal device.

Background

Automobile exhaust is exhaust gas generated when an automobile is used, and contains hundreds of different compounds, wherein pollutants comprise solid suspended particles, carbon monoxide, carbon dioxide, hydrocarbons, nitrogen oxides, lead, sulfur oxides and the like. The tail gas can not only directly harm human health, but also have a profound influence on the environment of human life. The sulfur dioxide in the tail gas has strong pungent smell, and the sulfur dioxide easily causes the generation of acid rain when reaching a certain concentration, so that soil and water sources are acidified, and the growth of crops and forests is influenced.

Therefore, automobile exhaust has been used as an important index for environmental monitoring. In order to detect the automobile exhaust, a half of the automobile exhaust analyzer is used for detection and analysis; the automobile exhaust analyzer is used for detecting various gas element content indexes in automobile exhaust; the automobile exhaust analyzer is used for measuring and analyzing main components of CO, HC, CO2, NOX and O2 in automobile exhaust by using a non-spectroscopic infrared ray and an electrochemical sensor. The method is developed, produced and verified according to the requirements of an ISO9001 quality assurance system and JJG688-90 verification regulations.

The general tail gas monitoring utilizes a pipe connection engine exhaust exit, connects the pipeline other end on monitoring facilities again, but when monitoring the tail gas monitoring to next engine after the monitoring is accomplished, remaining tail gas influences the monitoring next time easily.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an engine tail gas monitoring device with a dust removal device, which solves the problem that in the prior art, one pipeline is connected with an engine tail gas outlet, and the other end of the pipeline is connected with monitoring equipment, but when the tail gas monitoring is carried out on the next engine after the monitoring is finished, the residual tail gas easily influences the next monitoring.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides an engine exhaust monitoring devices with dust collector, includes the box, inside one side fixedly connected with extension board of box, the top of extension board is equipped with the monitoring devices who is used for detecting engine exhaust, the top fixedly connected with apron of box, the both sides difference fixedly connected with intake pipe and the outlet duct of box, there is the vent respectively in the both sides of box, the inside both sides difference fixedly connected with of box with the connecting pipe of vent intercommunication, the air inlet has been seted up to one side of connecting pipe, the top of apron is equipped with the enclosed construction who is used for shutoff intake pipe and outlet duct, be equipped with in the vent and be used for the outer ventilation structure of the exhaust gas discharge box in the box.

Through setting up the intake pipe, when using, the tail gas pipeline of the usable pipe connection car of staff, when automobile engine operates, the waste gas accessible pipeline that produces gets into in the intake pipe, intake pipe and outlet duct are opened to the usable enclosed construction of staff, tail gas can follow in the intake pipe entering box this moment, after the space in the exhaust gas diffuse box, usable enclosed construction of staff seals intake pipe and outlet duct, staff can start monitoring devices this moment, monitoring devices monitors the internal carbon monoxide of exhaust gas, hydrocarbon, gaseous content such as nitrogen oxide, with this can reach the exhaust gas that produces to the engine during operation and carry out the effect that detects, after the monitoring finishes, staff can start the ventilation structure, the ventilation structure replaces the gas in the box, extract the air of outside to the box in, exhaust gas in the box discharges to the outside, with this can reach and replaces the gas in the box, when having avoided monitoring gas next time, remaining tail gas influences the problem of monitoring.

Preferably, the closed structure includes two baffles slidably connected to the cover plate, the two baffles are slidably sleeved with the air inlet pipe and the air outlet pipe respectively, the baffles extend into the air inlet pipe and the air outlet pipe, a pull plate is fixedly connected between the two baffles, and the pull plate is located at the top of the cover plate.

Through setting up the baffle, when need be to carrying exhaust gas in the box, the staff upwards stimulates the arm-tie, make the arm-tie rebound, the arm-tie removes and drives the baffle downstream, make the baffle leave in intake pipe and the outlet duct, can be to carrying exhaust gas in the box this moment, after exhaust gas finishes carrying, the staff resets the baffle, make baffle shutoff intake pipe and outlet duct, can reduce the volume that exhaust gas flows out in the box, guaranteed to be filled with tail gas in the box, do benefit to follow-up monitoring to tail gas.

Preferably, a clamping groove is formed in one side of the baffle, a vertical plate is fixedly connected to the bottom of the cover plate, a connecting rod is connected to the vertical plate in a sliding mode, a clamping block matched with the clamping groove is fixedly connected to one end of the connecting rod, a first spring is connected between the clamping block and the vertical plate, and a pulling block is fixedly connected to the other end of the connecting rod.

Through setting up the fixture block, the initial condition of first spring is compression state, and when the staff upwards the baffle, the position of draw-in groove is corresponding with the position of fixture block, and the fixture block can receive the potential energy and the draw-in groove joint of first spring to this position that can restrict the baffle has avoided when carrying tail gas in to the box, and the baffle receives natural gravity to reset in advance and influences the transport of tail gas.

The preferred, ventilation structure is established including fixed cover the inside support of vent, it is connected with the pivot to rotate on the support, a plurality of blades of lateral wall fixedly connected with of pivot, the blade is located in the vent, the inside bottom surface fixedly connected with of box props up a piece, the top of propping up a piece is connected with driving motor, driving motor's drive on with equal fixedly connected with intermeshing's second gear in the pivot.

Through setting up driving motor, when needs ventilate to the box, the staff can start driving motor, and driving motor rotates and to drive the pivot rotation through the second gear, and the pivot rotation can drive the blade rotation, and the blade rotation can be with in the outside wind current introduction connecting tube, in the air inlet entering box again to this can reach the effect of ventilating the box.

The preferred, ventilation structure is still including setting up the shrouding of air inlet one side, one side fixedly connected with rack of shrouding, the top fixedly connected with fixed block of connecting pipe, the bottom fixedly connected with of fixed block with shrouding sliding connection's gag lever post, the shrouding with be connected with the second spring between the fixed block, the fixed cover of lateral wall of pivot be equipped with rack toothing's first gear.

Through setting up first gear, when driving motor drives the pivot and rotates when leading to the box in, the pivot is rotated and can be driven first gear revolve, first gear revolve can drive rack and shrouding downstream, the shrouding leaves the air inlet, the second spring is tensile, the distinguished and admirable accessible air inlet entering box this moment is internal, after the box is internal to ventilate, when needing to carry out the tail gas monitoring of next time, the staff stops driving motor, the pivot no longer orders about the rotation, the shrouding can reset through the potential energy of second spring this moment, the position of shutoff air inlet once more, flow to the outside through the air inlet with tail gas in the prevention box.

Preferably, one side of the box body is fixedly connected with a side plate, one side of the side plate is rotatably connected with a rotating pipe, a connecting shaft is slidably connected in the rotating rod, one end of the connecting shaft is fixedly connected with a rotating rod, and the outer side wall of the rotating rod is fixedly connected with a brush.

Preferably, a third spring is connected between the rotating pipe and the rotating rod, a chain is connected between the rotating shaft and the rotating pipe, and one end of the connecting shaft is fixedly connected with a pushing block.

Through setting up the chain, when the pivot is rotatory to box internal ventilation, the pivot is rotatory to be driven the change and to be rotated, and the change is rotatory to be driven even axle, bull stick and brush rotation, and the staff can promote the ejector pad this moment for in the bull stick extended to the intake pipe, the brush rotation can clear away the intake pipe in because of carrying the relevant particulate matter that drops when tail gas, so as to reach the effect of removing dust to the intake pipe.

Preferably, one end of the rotating rod is fixedly connected with a stop block.

Through setting up the dog, the dog can the adaptation intake pipe, rotates when removing dust to the intake pipe at the brush, and the dog can block that the dust passes through the intake pipe and gets into in the box.

In summary, the invention mainly has the following beneficial effects:

through setting up the intake pipe, when using, the tail gas pipeline of the usable pipe connection car of staff, when automobile engine operates, the waste gas accessible pipeline that produces gets into in the intake pipe, intake pipe and outlet duct are opened to the usable enclosed construction of staff, tail gas can follow the intake pipe and get into the box this moment, after tail gas covers the space in the box, the usable enclosed construction of staff seals intake pipe and outlet duct, staff can start monitoring devices this moment, monitoring devices monitors the internal carbon monoxide of tail gas, hydrocarbon, gaseous content such as nitrogen oxide, with this can reach the effect that the tail gas that produces the engine during operation carries out the detection, after the monitoring finishes, staff can start ventilation structure, ventilation structure replaces the gas in the box, extract outside air to the box, discharge the tail gas in the box to the outside, can reach the replacement to the gas in the box with this, when having avoided monitoring next time gaseous, remaining tail gas influences the problem of monitoring.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an engine exhaust monitoring device with a dust removal device according to the present invention;

FIG. 2 is a schematic cross-sectional view of the overall structure of an engine exhaust monitoring device with a dust removal device according to the present invention;

FIG. 3 is a schematic view of a connecting pipe structure of an engine exhaust monitoring device with a dust removing device according to the present invention;

FIG. 4 is a schematic view of an air inlet structure of an engine exhaust monitoring device with a dust removing device according to the present invention;

FIG. 5 is a schematic structural diagram of an air inlet pipe of an engine exhaust monitoring device with a dust removal device according to the present invention;

FIG. 6 is a schematic cross-sectional view of an intake pipe structure of an engine exhaust monitoring device with a dust removal device according to the present invention;

FIG. 7 is a schematic side plate structure of an engine exhaust monitoring device with a dust removal device according to the present invention;

FIG. 8 is a schematic view of a rotating pipe structure of an engine exhaust monitoring device with a dust removal device according to the present invention.

Reference numerals: 100. a box body; 101. a support plate; 102. a monitoring device; 103. a cover plate; 104. an air inlet pipe; 105. an air outlet pipe; 106. a vent; 107. a connecting pipe; 108. an air inlet; 200. a baffle plate; 201. pulling a plate; 202. a card slot; 203. a vertical plate; 204. a connecting rod; 205. a clamping block; 206. a first spring; 207. pulling the block; 300. a support; 301. a rotating shaft; 302. a blade; 303. a first gear; 304. closing plates; 305. a rack; 306. a fixed block; 307. a second spring; 308. a limiting rod; 309. supporting a block; 310. a drive motor; 311. a second gear; 400. a side plate; 401. pipe rotation; 402. a connecting shaft; 403. a rotating rod; 404. a brush; 405. pushing a block; 406. a stopper; 407. a third spring; 408. and a chain.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1 to 8, an engine exhaust monitoring device with a dust removing device includes a box 100, a supporting plate 101 is fixedly connected to one side inside the box 100, a monitoring device 102 for detecting engine exhaust is disposed on the top of the supporting plate 101, a cover plate 103 is fixedly connected to the top of the box 100, an air inlet pipe 104 and an air outlet pipe 105 are respectively fixedly connected to two sides of the box 100, vents 106 are respectively disposed on two sides of the box 100, connecting pipes 107 communicated with the vents 106 are respectively fixedly connected to two sides inside the box 100, an air inlet 108 is disposed on one side of the connecting pipes 107, a sealing structure for sealing the air inlet pipe 104 and the air outlet pipe 105 is disposed on the top of the cover plate 103, and a ventilation structure for exhausting exhaust gas in the box 100 out of the box 100 is disposed in the vents 106;

through setting up intake pipe 104, when using, the tail gas pipeline of the usable pipe connection car of staff, when automobile engine operates, waste gas accessible pipeline that produces gets into in the intake pipe 104, intake pipe 104 and outlet duct 105 are opened to the usable enclosed construction of staff, tail gas can get into in box 100 from intake pipe 104 this moment, after the space in tail gas diffuse box 100, usable enclosed construction of staff seals intake pipe 104 and outlet duct 105, the staff can start monitoring devices 102 this moment, monitoring devices 102 monitors the internal carbon monoxide of tail gas, hydrocarbon, the content of gaseous such as nitrogen oxide, with this effect that can reach the tail gas that produces the engine during operation and carry out the detection, after the monitoring finishes, the staff can start ventilation structure, ventilation structure replaces the gas in the box 100, extract outside air to in the box 100, discharge the tail gas in the box 100 to the outside, thereby can reach and replace the gas in the box 100, when having avoided monitoring gas next time, the problem of remaining tail gas influence monitoring.

As a further scheme of the invention, the closed structure comprises two baffle plates 200 connected to the cover plate 103 in a sliding manner, the two baffle plates 200 are respectively sleeved with the air inlet pipe 104 and the air outlet pipe 105 in a sliding manner, the baffle plates 200 extend into the air inlet pipe 104 and the air outlet pipe 105, a pulling plate 201 is fixedly connected between the two baffle plates 200, and the pulling plate 201 is positioned at the top of the cover plate 103;

through setting up baffle 200, when need carry exhaust gas in to box 100, the staff upwards stimulates arm-tie 201, make arm-tie 201 rebound, arm-tie 201 removes and drives baffle 200 downstream, make baffle 200 leave in intake pipe 104 and the outlet duct 105, can carry exhaust gas in to box 100 this moment, after exhaust gas carries finishing, the staff resets baffle 200, make baffle 200 shutoff intake pipe 104 and outlet duct 105, can reduce the volume of exhaust gas from box 100 internal outflow, guaranteed to be filled with in the box 100 and to repel tail gas, do benefit to follow-up monitoring to tail gas.

As a further scheme of the invention, a clamping groove 202 is formed in one side of the baffle 200, a vertical plate 203 is fixedly connected to the bottom of the cover plate 103, a connecting rod 204 is slidably connected to the vertical plate 203, a clamping block 205 matched with the clamping groove 202 is fixedly connected to one end of the connecting rod 204, a first spring 206 is connected between the clamping block 205 and the vertical plate 203, and a pull block 207 is fixedly connected to the other end of the connecting rod 204;

through setting up fixture block 205, the initial condition of first spring 206 is compression state, and when the staff upwards baffle 200, when the position of draw-in groove 202 corresponded with fixture block 205's position, fixture block 205 can receive the potential energy of first spring 206 and draw-in groove 202 joint to this can restrict baffle 200's position, avoided when carrying tail gas in to box 100, baffle 200 receives natural gravity to reset in advance and influences the transport of tail gas.

As a further scheme of the present invention, the ventilation structure includes a support 300 fixedly sleeved inside the ventilation opening 106, the support 300 is rotatably connected with a rotating shaft 301, the outer side wall of the rotating shaft 301 is fixedly connected with a plurality of blades 302, the blades 302 are located in the ventilation opening 106, the bottom surface inside the box 100 is fixedly connected with a support block 309, the top of the support block 309 is connected with a driving motor 310, and a second gear 311 which is mutually engaged is fixedly connected on the driving of the driving motor 310 and the rotating shaft 301;

through setting up driving motor 310, when needs ventilate to box 100, the staff can start driving motor 310, driving motor 310 rotates and to drive pivot 301 rotatory through second gear 311, and pivot 301 rotates and to drive blade 302 rotatory, and in blade 302 rotatory can introduce the connecting pipe 107 with the wind current of outside, again from air inlet 108 entering box 100 in to this can reach the effect of ventilating box 100.

As a further scheme of the present invention, the ventilation structure further includes a sealing plate 304 disposed at one side of the air inlet 108, one side of the sealing plate 304 is fixedly connected with a rack 305, the top of the connecting pipe 107 is fixedly connected with a fixing block 306, the bottom of the fixing block 306 is fixedly connected with a limiting rod 308 slidably connected with the sealing plate 304, a second spring 307 is connected between the sealing plate 304 and the fixing block 306, and the outer side wall of the rotating shaft 301 is fixedly sleeved with a first gear 303 engaged with the rack 305;

through setting up first gear 303, when driving motor 310 drives pivot 301 and rotates when leading to box 100 internal air, pivot 301 rotates and to drive first gear 303 and rotates, first gear 303 rotates and to drive rack 305 and shrouding 304 downstream, shrouding 304 leaves air inlet 108, second spring 307 is tensile, this moment the distinguished and admirable accessible air inlet 108 gets into in the box 100, after the ventilation finishes in box 100, when needing to carry out next tail gas monitoring, the staff stops driving motor 310, pivot 301 no longer orders about the rotation, shrouding 304 can reset through the potential energy of second spring 307 this moment, the position of shutoff air inlet 108 once more, in order to prevent that the tail gas in the box 100 from flowing out to the outside through air inlet 108.

Example two

In this embodiment, on the basis of the first embodiment, a side plate 400 is fixedly connected to one side of the box body 100, a rotating pipe 401 is rotatably connected to one side of the side plate 400, a connecting shaft 402 is slidably connected to the rotating rod 403, a rotating rod 403 is fixedly connected to one end of the connecting shaft 402, a brush 404 is fixedly connected to the outer side wall of the rotating rod 403, a third spring 407 is connected between the rotating pipe 401 and the rotating rod 403, a chain 408 is connected between the rotating shaft 301 and the rotating pipe 401, and a push block 405 is fixedly connected to one end of the connecting shaft 402;

through setting up chain 408, when pivot 301 is rotatory when ventilating in to box 100, pivot 301 is rotatory to drive the commentaries on classics pipe 401 rotatory, commentaries on classics pipe 401 is rotatory to be driven even axle 402, bull stick 403 and brush 404 are rotatory, the staff can promote ejector pad 405 this moment for bull stick 403 extends to in the intake pipe 104, the brush 404 is rotatory to be clear away the intake pipe 104 in because of carrying the relevant particulate matter that drops when tail gas, so as to reach the effect of removing dust to intake pipe 104.

As a further scheme of the present invention, one end of the rotating rod 403 is fixedly connected with a stopper 406;

by providing the stopper 406, the stopper 406 can be adapted to the inlet pipe 104, and when the brush 404 rotates to remove dust from the inlet pipe 104, the stopper 406 can prevent dust from entering the box 100 through the inlet pipe 104.

The working principle is as follows: through setting up intake pipe 104, when using, the tail gas pipeline of the usable pipe connection car of staff, when automobile engine operates, waste gas accessible pipeline that produces gets into in the intake pipe 104, intake pipe 104 and outlet duct 105 are opened to the usable enclosed construction of staff, tail gas can get into in box 100 from intake pipe 104 this moment, after the space in tail gas diffuse box 100, usable enclosed construction of staff seals intake pipe 104 and outlet duct 105, the staff can start monitoring devices 102 this moment, monitoring devices 102 monitors the internal carbon monoxide of tail gas, hydrocarbon, the content of gaseous such as nitrogen oxide, with this effect that can reach the tail gas that produces the engine during operation and carry out the detection, after the monitoring finishes, the staff can start ventilation structure, ventilation structure replaces the gas in the box 100, extract outside air to in the box 100, discharge the tail gas in the box 100 to the outside, thereby can reach and replace the gas in the box 100, when having avoided monitoring gas next time, the problem of remaining tail gas influence monitoring.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an engine exhaust monitoring devices with dust collector, its characterized in that, includes box (100), inside one side fixedly connected with extension board (101) of box (100), the top of extension board (101) is equipped with monitoring devices (102) that are used for detecting engine exhaust, the top fixedly connected with apron (103) of box (100), the both sides difference fixedly connected with intake pipe (104) and outlet duct (105) of box (100), there are vent (106) respectively in the both sides of box (100), the inside both sides difference fixedly connected with of box (100) with connecting pipe (107) of vent (106) intercommunication, air inlet (108) have been seted up to one side of connecting pipe (107), the top of apron (103) is equipped with the enclosed construction that is used for shutoff intake pipe (104) and outlet duct (105), be equipped with in vent (106) and be used for discharging the outer ventilation structure of box (100) with the tail gas in box (100).

2. The engine exhaust monitoring device with the dust removal device according to claim 1, wherein the closed structure comprises two baffle plates (200) slidably connected to the cover plate (103), the two baffle plates (200) are slidably sleeved with the air inlet pipe (104) and the air outlet pipe (105) respectively, the baffle plates (200) extend into the air inlet pipe (104) and the air outlet pipe (105), a pulling plate (201) is fixedly connected between the two baffle plates (200), and the pulling plate (201) is located at the top of the cover plate (103).

3. The engine exhaust monitoring device with the dust collector is characterized in that a clamping groove (202) is formed in one side of the baffle (200), a vertical plate (203) is fixedly connected to the bottom of the cover plate (103), a connecting rod (204) is slidably connected to the vertical plate (203), a clamping block (205) matched with the clamping groove (202) is fixedly connected to one end of the connecting rod (204), a first spring (206) is connected between the clamping block (205) and the vertical plate (203), and a pulling block (207) is fixedly connected to the other end of the connecting rod (204).

4. The engine exhaust monitoring device with the dust removal device according to claim 1, wherein the ventilation structure comprises a support (300) fixedly sleeved inside the ventilation opening (106), a rotating shaft (301) is rotatably connected to the support (300), a plurality of blades (302) are fixedly connected to the outer side wall of the rotating shaft (301), the blades (302) are located inside the ventilation opening (106), a support block (309) is fixedly connected to the inner bottom surface of the box body (100), a driving motor (310) is connected to the top of the support block (309), and a second gear (311) which is meshed with each other is fixedly connected to the driving motor (310) and the rotating shaft (301).

5. The engine exhaust monitoring device with the dust removal device according to claim 1, wherein the ventilation structure further comprises a sealing plate (304) disposed on one side of the air inlet (108), a rack (305) is fixedly connected to one side of the sealing plate (304), a fixing block (306) is fixedly connected to the top of the connecting pipe (107), a limiting rod (308) slidably connected to the sealing plate (304) is fixedly connected to the bottom of the fixing block (306), a second spring (307) is connected between the sealing plate (304) and the fixing block (306), and a first gear (303) meshed with the rack (305) is fixedly sleeved on the outer side wall of the rotating shaft (301).

6. The engine exhaust monitoring device with the dust removing device is characterized in that a side plate (400) is fixedly connected to one side of the box body (100), a rotating pipe (401) is rotatably connected to one side of the side plate (400), a connecting shaft (402) is slidably connected to the rotating rod (403), a rotating rod (403) is fixedly connected to one end of the connecting shaft (402), and a brush (404) is fixedly connected to the outer side wall of the rotating rod (403).

7. The engine exhaust monitoring device with the dust removal device according to claim 1, wherein a third spring (407) is connected between the rotating pipe (401) and the rotating rod (403), a chain (408) is connected between the rotating shaft (301) and the rotating pipe (401), and a push block (405) is fixedly connected to one end of the connecting shaft (402).

8. The engine exhaust monitoring device with the dust removing device is characterized in that a stop block (406) is fixedly connected to one end of the rotating rod (403).