CN114878753A

CN114878753A - Air quality detector for environmental protection engineering

Info

Publication number: CN114878753A
Application number: CN202210576159.2A
Authority: CN
Inventors: 崔加尚
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-08-09

Abstract

The invention discloses an air quality detector for environmental protection engineering, and belongs to the field of air quality detection. The utility model provides an air quality detector for environmental protection engineering, includes base and the detector that has display screen and sensor group, still includes: the detector comprises a base, a cavity and a detector, wherein the cavity is arranged in the base, a driving motor is arranged in the cavity, the upper end of the base is connected with two lifting plates through a reciprocating lifting mechanism, and the detector is fixedly arranged between the two lifting plates; the detector comprises a housing, a detection device and a detection device, wherein the housing is fixedly sleeved on the outer wall of the detection device, a spray pipe is arranged at the upper end of the housing, a blowing nozzle facing the front end face of the display screen is arranged at the lower end of the spray pipe, and a self-air supply assembly connected with the spray pipe is arranged at the lower end of the housing; the invention can lead the detector to detect the air with different altitudes, thereby improving the detection area and the detection precision of the detector, and also can automatically clear the dust on the display screen and ensure the definition of the display screen on the detector.

Description

Air quality detector for environmental protection engineering

Technical Field

The invention relates to the technical field of environment-friendly air quality detection, in particular to an air quality detector for environmental engineering.

Background

The environmental engineering refers to engineering specifically made for environmental protection, which is based on a group of thought objects and applies related scientific knowledge and technical means to solve the problem of environmental pollution through organized activities of a group of people, because of environmental pollution caused by industrial development.

In the environmental protection engineering, can be effective and real-time detect out the quality of air through the air quality detector, however current air quality detector is generally fixed and places, and outdoor, the air that is located the eminence flows and will be greater than the air flow of low department, and the air quality is also different, then the precision that detects the air is hardly guaranteed to the air quality detector of fixed position, and the dust content in some environment is high, after the long-time use of quality detector, the display screen is polluted by the dust easily, thereby influence monitoring personnel to look over real-time data.

Disclosure of Invention

The invention aims to solve the problem that the air quality detector in the prior art is difficult to ensure the detection precision due to fixed position, and provides the air quality detector for the environmental protection engineering.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an air quality detector for environmental protection engineering, includes base and the detector that has display screen and sensor group, still includes: the detector comprises a base, a cavity and a detector, wherein the cavity is arranged in the base, a driving motor is arranged in the cavity, the upper end of the base is connected with two lifting plates through a reciprocating lifting mechanism, and the detector is fixedly arranged between the two lifting plates; the housing is fixedly sleeved on the outer wall of the detector, a spray pipe is arranged at the upper end of the housing, a blowing nozzle facing the front end face of the display screen is arranged at the lower end of the spray pipe, and a self-gas supply assembly connected with the spray pipe is arranged at the lower end of the housing.

In order to increase the detection area of the detector, preferably, the reciprocating lifting mechanism comprises reciprocating lead screws rotatably connected to two sides of the upper end of the base, wherein threaded holes respectively matched with the outer walls of the two reciprocating lead screws are formed in the two lifting plates; the output end of the driving motor is fixedly connected with the lower end of one of the reciprocating lead screws, the lower ends of the two reciprocating lead screws are fixedly provided with chain wheels, and the two chain wheels are connected through a chain.

In order to automatically blow off dust accumulated on the surface of the display screen, further, the self-air supply assembly comprises an elastic air bag arranged on the lower end surface of the housing, wherein an air suction pipe and an air exhaust pipe communicated with the elastic air bag are fixedly connected to the upper part of the elastic air bag, and check valves are arranged in the air suction pipe and the air exhaust pipe; the tail end of the exhaust pipe is communicated with the spray pipe through a connecting pipe, and the connecting pipe is a rubber hose.

In order to improve the effect of cleaning the display screen by the blowing nozzle, furthermore, a sliding hole is formed in the side wall of the housing, and a sliding rod is connected in the sliding hole in a sliding manner; one end of the sliding rod is fixedly connected with the spray pipe, the other end of the sliding rod is fixedly connected with a limiting plate, and the limiting plate is elastically connected with the outer wall of the housing through a return spring; the outer wall fixedly connected with slider of limiting plate, the upper end fixedly connected with and the slider complex riser of base, a plurality of cambered surface lugs of lateral wall fixedly connected with of riser, install the pulley on the slider.

In order to prevent dust from polluting the elastic air bag and the display screen, furthermore, an empty groove is formed in the upper end of the rear wall of the housing, a filter plate is detachably mounted at an upper end opening of the empty groove, and the input end of the air suction pipe extends to the inner bottom of the empty groove.

In order to make the environmental protection more when whole device uses, furtherly, two the roof is installed at the top of reciprocal lead screw, the solar photovoltaic board is installed to the upper end of roof, install the battery in the cavity, wherein, the output of solar photovoltaic board and the input electric connection of battery, the output of battery and driving motor's input electric connection.

In order to guarantee the detection precision of detector, preferably, sensor group is including the detection chamber on the detector, detect the interior bottom in chamber and install a plurality of sensor bodies, the ventilation fan is installed to the one end that detects the chamber, wherein, it is connected with the stock to detect the intracavity through the support rotation, be equipped with the brush on the outer wall of stock, driven fan blade is installed through one-way bearing to the one end of stock.

In order to prevent the brush from influencing the sensor body, furthermore, the brushes on the long rod are arranged in a straight line shape, the upper part of the long rod is fixedly connected with a balancing weight, and the brushes and the balancing weight are respectively arranged on the upper side and the lower side of the long rod.

In order to prevent dust in the air from polluting the outer wall of the reciprocating screw rod, furthermore, telescopic hoses are sleeved on the outer walls of the two ends of the reciprocating screw rod.

In order to move the whole device more conveniently, four universal wheels which are distributed in a rectangular shape are preferably arranged at the lower end of the base.

Compared with the prior art, the invention provides an air quality detector for environmental protection engineering, which has the following beneficial effects:

1. according to the air quality detector for the environmental protection engineering, the driving motor drives the two reciprocating screw rods to synchronously rotate, and the two lifting plates can drive the detector to slide up and down in a reciprocating manner above the base, so that the detector detects air with different altitudes, the detection area of the detector is further increased, and the detection precision of the detector is indirectly improved;

2. according to the air quality detector for the environmental protection engineering, the detector sliding downwards can drive the housing and the elastic air bag at the lower end to synchronously slide downwards, the elastic air bag can be extruded by the base, the spraying pipe can exhaust air to the display screen through the air blowing nozzle at the lower end, so that dust accumulated on the surface of the display screen is blown off, and the definition of the display screen on the detector can be ensured;

3. according to the air quality detector for the environmental protection engineering, the downward sliding housing can drive the sliding block to slide on the vertical plate, the sliding block can drive the sliding rod and the spray pipe to slide in a left-right reciprocating mode under the action of the cambered surface bumps, and the spray pipe can drive the blowing nozzle to swing left and right, so that the blowing area of the blowing nozzle is greatly increased, and the effect of cleaning the display screen by the blowing nozzle is improved;

4. according to the air quality detector for the environmental protection project, when the detector drives the housing and the elastic air bag to slide upwards and reset, the air suction pipe can suck air into the air groove, the filter plate can filter dust in the air, the elastic air bag and the display screen are prevented from being polluted by the dust, the detector in the housing can be cooled, and the working stability of the detector is guaranteed;

5. this air quality detector for environmental protection engineering can prevent through the roof that the rainwater is direct to fall on the detector to protect the detector, and the solar photovoltaic board of roof up end can charge to the battery through sunshine, and the battery can supply power to driving motor, thereby environmental protection more when making whole device use.

Drawings

FIG. 1 is a schematic structural view of an air quality detector for environmental protection engineering according to the present invention;

FIG. 2 is a first schematic view of a local axial measurement structure of the air quality detector for environmental protection engineering according to the present invention;

FIG. 3 is a schematic diagram of a local axial measurement structure of the air quality detector for environmental protection engineering according to the present invention;

FIG. 4 is an enlarged view of a portion A in FIG. 1 of the air quality detector for environmental protection engineering according to the present invention;

FIG. 5 is an enlarged view of part B in FIG. 1 of an air quality detector for environmental protection engineering according to the present invention;

FIG. 6 is an enlarged view of a portion C in FIG. 1 of the air quality detector for environmental protection engineering according to the present invention;

fig. 7 is a schematic view of a sensor group of the air quality detector for environmental protection engineering according to the present invention.

In the figure: 1. a base; 2. a reciprocating screw; 3. a lifting plate; 4. a threaded hole; 5. a housing; 6. a detector; 7. a sensor group; 8. a display screen; 9. a top plate; 10. a nozzle; 11. a blowing nozzle; 12. an elastic air bag; 13. an exhaust pipe; 14. an air intake duct; 15. a connecting pipe; 16. a slide hole; 17. a slide bar; 18. a limiting plate; 19. a return spring; 20. a slider; 21. a vertical plate; 22. a cambered surface bump; 23. a drive motor; 24. a chain; 25. a flexible hose; 26. an empty groove; 27. a filter plate; 28. a universal wheel; 29. a sprocket; 30. a storage battery; 31. a solar photovoltaic panel; 32. a pulley; 33. a cavity; 34. a detection chamber; 35. a sensor body; 36. a ventilation fan; 37. a support; 38. a long rod; 39. a brush; 40. a driven fan blade; 41. a one-way bearing; 42. and a balancing weight.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-6, an air quality detector for environmental protection engineering, includes base 1 and detector 6 that has display screen 8 and sensor group 7, still includes: the cavity 33 is arranged in the base 1, wherein the driving motor 23 is arranged in the cavity 33, the upper end of the base 1 is connected with the two lifting plates 3 through a reciprocating lifting mechanism, and the detector 6 is fixedly arranged between the two lifting plates 3; the device comprises a housing 5 fixedly sleeved on the outer wall of the detector 6, wherein the upper end of the housing 5 is provided with a spray pipe 10, the lower end of the spray pipe 10 is provided with an air blowing nozzle 11 facing the front end face of a display screen 8, and the lower end of the housing 5 is provided with a self-air supply assembly connected with the spray pipe 10;

when the air detector is used, the driving motor 23 is started, the driving motor 23 can drive the two lifting plates 3 to slide up and down in a reciprocating manner through the reciprocating lifting mechanism, and the two lifting plates 3 can drive the detector 6 to slide up and down in a reciprocating manner above the base 1, so that the detector 6 detects air with different altitudes, the detection area of the detector 6 is further increased, and the detection precision of the detector 6 is indirectly improved;

and when detector 6 slided to reciprocating screw 2's lower extreme downwards, detector 6 can drive housing 5 and the synchronous lapse of elasticity gasbag 12 of lower extreme, then can input the air to spray tube 10 from the air feed subassembly, and spray tube 10 then can be discharged display screen 8 through blowing nozzle 11 of lower extreme to blow off display screen 8 surperficial accumulational dust, can guarantee display screen 8's definition on the detector 6.

The top plates 9 are mounted at the tops of the two reciprocating screw rods 2, a solar photovoltaic panel 31 is mounted at the upper end of each top plate 9, and a storage battery 30 is mounted in each cavity 33, wherein the output end of each solar photovoltaic panel 31 is electrically connected with the input end of the corresponding storage battery 30, and the output end of each storage battery 30 is electrically connected with the input end of the corresponding driving motor 23;

roof 9 can prevent that the rainwater from directly falling on detector 6 to protect detector 6, and the solar photovoltaic board 31 of roof 9 up end can charge battery 30 through sunshine, and battery 30 can supply power to driving motor 23, thereby environmental protection more when making whole device use.

Four universal wheels 28 which are distributed in a rectangular shape are installed at the lower end of the base 1, and the whole device can be moved more conveniently in a labor-saving mode through the universal wheels 28.

Example 2:

referring to fig. 1, 4 and 5, basically the same as example 1, further, a specific embodiment of the reciprocating elevating mechanism is specifically disclosed.

In use, the reciprocating lift mechanism comprises: the reciprocating screw rods 2 are rotatably connected to two sides of the upper end of the base 1, wherein threaded holes 4 which are respectively matched with the outer walls of the two reciprocating screw rods 2 are formed in the two lifting plates 3; the output end of the driving motor 23 is fixedly connected with the lower end of one reciprocating screw rod 2, chain wheels 29 are fixedly mounted at the lower ends of the two reciprocating screw rods 2, and the two chain wheels 29 are connected through a chain 24;

start driving motor 23, driving motor 23 then can drive one of them reciprocal lead screw 2 and rotate, one of them reciprocal lead screw 2 then can drive another reciprocal lead screw 2 synchronous rotation through the cooperation of two sprocket 29 and a chain 24, two reciprocal lead screw 2 can drive two lifter plates 3 along reciprocal lead screw 2's outer wall reciprocal sliding from top to bottom when rotating, two lifter plates 3 then can drive detector 6 reciprocal sliding from top to bottom in base 1's top, thereby make detector 6 detect the air of different altitudes, and then promote detector 6's detection area, indirectly promote detector 6's detection precision.

The outer walls of the two ends of the reciprocating screw rod 2 are respectively provided with a telescopic hose 25 in a sleeved mode, and the telescopic hoses 25 can prevent dust in the air from polluting the outer wall of the reciprocating screw rod 2.

Example 3:

referring to fig. 1-3, essentially the same as example 1, further, specific embodiments of a self-gassing assembly are specifically disclosed.

The self-air supply assembly comprises an elastic air bag 12 arranged on the lower end face of the housing 5, wherein an air suction pipe 14 and an air exhaust pipe 13 communicated with the elastic air bag 12 are fixedly connected to the upper part of the elastic air bag 12, and check valves are arranged in the air suction pipe 14 and the air exhaust pipe 13; the tail end of the exhaust pipe 13 is communicated with the spray pipe 10 through a connecting pipe 15;

when detector 6 glides to reciprocating screw 2's lower extreme downwards, detector 6 can drive housing 5 and the synchronous lapse of elasticity gasbag 12 of lower extreme, elasticity gasbag 12 can be extruded by base 1, thereby through exhaust pipe 13 inside air of discharging, exhaust pipe 13 then can be through connecting pipe 15 to spray tube 10 input air, spray tube 10 then can be through blowing nozzle 11 of lower extreme to the display screen 8 exhaust, thereby blow off display screen 8 accumulational dust on the surface, can guarantee display screen 8's definition on the detector 6, and drive housing 5 and the upwards slip of elasticity gasbag 12 at detector 6 and reset, elasticity gasbag 12 then can elastic reset, and inhale the outside air through breathing pipe 14.

The back wall upper end of housing 5 is equipped with dead slot 26, the last port demountable installation of dead slot 26 has filter 27, the input of breathing pipe 14 extends to the interior bottom of dead slot 26, when breathing pipe 14 inhales the air, breathing pipe 14 can inhale dead slot 26, dead slot 26 then can inhale through last port, and dust in the filter 27 filtered air through last port, prevent dust pollution elastic airbag 12 and display screen 8, and can also dispel the heat to detector 6 in the housing 5, guarantee detector 6's job stabilization nature.

Example 4:

referring to fig. 1 to 4 and fig. 6, basically the same as in example 1, further, a specific embodiment for enhancing the soot blowing effect to the blowing nozzle 11 is added.

A sliding hole 16 is formed in the side wall of the housing 5, and a sliding rod 17 is connected in the sliding hole 16 in a sliding manner; one end of a sliding rod 17 is fixedly connected with the spray pipe 10, wherein the other end of the sliding rod 17 is fixedly connected with a limiting plate 18, and the limiting plate 18 is elastically connected with the outer wall of the housing 5 through a return spring 19; the outer wall of the limiting plate 18 is fixedly connected with a sliding block 20, the upper end of the base 1 is fixedly connected with a vertical plate 21 matched with the sliding block 20, and the side wall of the vertical plate 21 is fixedly connected with a plurality of cambered surface convex blocks 22;

when the housing 5 slides downwards, the housing 5 can drive the slider 20 to slide on the vertical plate 21, the slider 20 can be pushed against the spray pipe 10 by the indirect shape of a plurality of cambered surface convex blocks 22 on the vertical plate 21, the slider 20 is not being pushed up, the limiting plate 18 can drive the slider 20 to reset under the effect of the reset spring 19, thereby when the slider 20 slides on the vertical plate 21, the slider 20 can drive the slide rod 17 and the spray pipe 10 to and fro slide left and right, the spray pipe 10 can drive the blowing nozzle 11 to swing left and right, thereby greatly improving the blowing area of the blowing nozzle 11, and the effect of cleaning the display screen 8 by the blowing nozzle 11 is improved.

The sliding block 20 is provided with a pulley 32, and the sliding block 20 slides on the vertical plate 21 through the pulley 32, so that the frictional resistance between the sliding block 20 and the vertical plate 21 can be greatly reduced.

The connecting pipe 15 is a rubber hose, so that the connection between the connecting pipe 15 and the exhaust pipe 13 cannot be influenced when the spray pipe 10 swings left and right.

Example 5:

referring to fig. 7, substantially the same as example 1, further, a specific embodiment for improving the detection accuracy of the detector 6 is added.

The sensor group 7 comprises a detection cavity 34 on the detector 6, a plurality of sensor bodies 35 are installed at the inner bottom of the detection cavity 34, a ventilation fan 36 is installed at one end of the detection cavity 34, wherein a long rod 38 is rotatably connected in the detection cavity 34 through a support 37, a brush 39 is arranged on the outer wall of the long rod 38, and a driven fan blade 40 is installed at one end of the long rod 38 through a one-way bearing 41;

wherein, sensor body 35 includes temperature and humidity sensor, PM2.5 sensor and TVOC sensor etc. and it can detect humidity and dust content in the air, then shows the digital information after detecting through display screen 8 on the detector 6 to detector 6 can directly purchase in the market and obtain, belongs to the common equipment instrument in this field, therefore does not do here and give unnecessary details.

When the detecting instrument 6 detects, the ventilating fan 36 indirectly inhales and blows air, when inhaling, the outside air enters the detecting cavity 34, the detecting instrument 6 detects through the sensor body 35, and the air flow entering the detecting cavity 34 drives the driven fan 40 to rotate, because the driven fan 40 is connected with the long rod 38 through the one-way bearing 41, at this time, the driven fan 40 idles, the long rod 38 does not rotate, when the ventilating fan 36 exhausts the detecting cavity 34, the driven fan 40 reverses under the action of the flowing air, at this time, the driven fan 40 drives the long rod 38 to synchronously rotate through the one-way bearing 41, the long rod 38 drives the brush 39 to clean the outer wall of the sensor body 35, so that the dust accumulated in the sensor body 35 can be swept down and discharged out of the detecting cavity 34 under the action of the air flow, and at this time, the sensor body 35 does not detect air, for summary, when the detecting cavity 34 inhales air, sensor body 35 detects the air, and brush 39 can not clean sensor body 35, prevents that brush 39 from interfering sensor body 35 work, and when detecting 34 exhaust in chamber, sensor body 35 stop work, brush 39 rotates the outer wall that cleans sensor body 35, guarantees the detection precision when making sensor body 35 detect next time.

The brush 39 on the long rod 38 is arranged in a straight line shape, the upper fixedly connected with balancing weight 42 of the long rod 38, the brush 39 and the balancing weight 42 are respectively arranged on the upper side and the lower side of the long rod 38, when the long rod 38 does not rotate, the balancing weight 42 can enable the brush 39 on the long rod 38 to face upwards all the time, and therefore the brush 39 is prevented from contacting the sensor body 35 when not rotating and affecting the detection precision.

When the air quality detector for the environmental protection engineering is used, the driving motor 23 is started, the driving motor 23 can drive one reciprocating screw rod 2 to rotate, one reciprocating screw rod 2 can drive the other reciprocating screw rod 2 to synchronously rotate through the matching of the two chain wheels 29 and the chain 24, the two reciprocating screw rods 2 can drive the two lifting plates 3 to vertically and reciprocally slide along the outer wall of the reciprocating screw rod 2 when rotating, the two lifting plates 3 can drive the detector 6 to vertically and reciprocally slide above the base 1, so that the detector 6 detects air with different altitudes, the detection area of the detector 6 is further increased, the detection precision of the detector 6 is indirectly increased, when the detector 6 slides downwards to the lower end of the reciprocating screw rod 2, the detector 6 can drive the housing 5 and the elastic air bag 12 at the lower end to synchronously slide downwards, and the elastic air bag 12 can be extruded by the base 1, thereby exhausting the internal air through the exhaust pipe 13, the exhaust pipe 13 inputting air to the nozzle 10 through the connection pipe 15, the nozzle 10 exhausting air to the display screen 8 through the blowing nozzle 11 at the lower end, thereby blowing off the dust accumulated on the surface of the display screen 8, thereby ensuring the definition of the display screen 8 on the detector 6, and the cover 5 and the elastic air bag 12 are driven to slide upwards and reset at the detector 6, the elastic air bag 12 elastically resets and sucks the external air through the air suction pipe 14, and when the air suction pipe 14 sucks the air, the air suction pipe 14 sucks the air into the empty slot 26, the empty slot 26 sucks the air through the upper port, and filters the dust in the air through the filter plate 27 at the upper port, thereby preventing the dust from polluting the elastic air bag 12 and the display screen 8, and also dissipating the heat of the detector 6 in the cover 5, thereby ensuring the working stability of the detector 6, and when the housing 5 glides downwards, the housing 5 can drive the slider 20 to slide on the riser 21, the slider 20 can then be pushed up to the spray tube 10 by the indirect shape of a plurality of cambered surface lugs 22 on the riser 21, the slider 20 is when not being jacked up, the limiting plate 18 then can drive the slider 20 to reset under the effect of the reset spring 19, thereby when making the slider 20 slide on the riser 21, the slider 20 can drive the slide bar 17 and the spray tube 10 to reciprocate about, the spray tube 10 then can drive the blowing nozzle 11 horizontal hunting, thereby promote the blowing area of the blowing nozzle 11 greatly, the effect of the blowing nozzle 11 clearance display screen 8 has been promoted.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides an air quality detector for environmental protection engineering, includes base (1) and detector (6) that have display screen (8) and sensor group (7), its characterized in that still includes:

a cavity (33) arranged in the base (1),

a driving motor (23) is installed in the cavity (33), the upper end of the base (1) is connected with two lifting plates (3) through a reciprocating lifting mechanism, and the detector (6) is fixedly installed between the two lifting plates (3);

a housing (5) fixedly sleeved on the outer wall of the detector (6),

the upper end of the housing (5) is provided with a spray pipe (10), the lower end of the spray pipe (10) is provided with a blowing nozzle (11) facing the front end face of the display screen (8), and the lower end of the housing (5) is provided with a self-gas supply assembly connected with the spray pipe (10).

2. The air quality detector for environmental protection engineering according to claim 1, wherein the reciprocating lifting mechanism comprises:

reciprocating screw rods (2) rotatably connected with two sides of the upper end of the base (1),

wherein, the two lifting plates (3) are respectively provided with a threaded hole (4) which is respectively matched with the outer walls of the two reciprocating screw rods (2);

the output end of the driving motor (23) is fixedly connected with the lower end of one reciprocating lead screw (2), chain wheels (29) are fixedly mounted at the lower ends of the reciprocating lead screws (2), and the two chain wheels (29) are connected through a chain (24).

3. The air quality detector for environmental protection engineering according to claim 2, wherein the self-air supply assembly comprises:

an elastic air bag (12) arranged on the lower end surface of the housing (5),

the air suction pipe (14) and the exhaust pipe (13) which are communicated with the elastic air bag (12) are fixedly connected to the elastic air bag, and one-way valves are respectively arranged in the air suction pipe (14) and the exhaust pipe (13);

the tail end of the exhaust pipe (13) is communicated with the spray pipe (10) through a connecting pipe (15), and the connecting pipe (15) is a rubber hose.

4. The air quality detector for the environmental protection engineering according to claim 3, wherein a sliding hole (16) is formed in the side wall of the housing (5), and a sliding rod (17) is slidably connected in the sliding hole (16);

one end of the sliding rod (17) is fixedly connected with the spray pipe (10),

the other end of the sliding rod (17) is fixedly connected with a limiting plate (18), and the limiting plate (18) is elastically connected with the outer wall of the housing (5) through a return spring (19);

the outer wall fixedly connected with slider (20) of limiting plate (18), the upper end fixedly connected with and slider (20) complex riser (21) of base (1), a plurality of cambered surface lugs (22) of lateral wall fixedly connected with of riser (21), install pulley (32) on slider (20).

5. The air quality detector for the environmental protection engineering according to claim 3, wherein the rear wall of the housing (5) is provided with a hollow groove (26) at the upper end, a filter plate (27) is detachably mounted at the upper end opening of the hollow groove (26), and the input end of the air suction pipe (14) extends to the inner bottom of the hollow groove (26).

6. The air quality detector for the environmental protection engineering according to claim 2, wherein top plates (9) are installed on the tops of the two reciprocating screw rods (2), a solar photovoltaic panel (31) is installed at the upper end of each top plate (9), a storage battery (30) is installed in the cavity (33),

the output end of the solar photovoltaic panel (31) is electrically connected with the input end of the storage battery (30), and the output end of the storage battery (30) is electrically connected with the input end of the driving motor (23).

7. The air quality detector for the environmental protection engineering according to claim 1, wherein the sensor group (7) comprises a detection cavity (34) on the detector (6), a plurality of sensor bodies (35) are installed at the inner bottom of the detection cavity (34), a ventilation fan (36) is installed at one end of the detection cavity (34),

wherein, it is connected with stock (38) to rotate through support (37) in detecting chamber (34), be equipped with brush (39) on the outer wall of stock (38), driven flabellum (40) are installed through one-way bearing (41) to the one end of stock (38).

8. The air quality detecting instrument for environmental protection engineering according to claim 7, wherein the brushes (39) on the long rods (38) are arranged in a straight line, and the weight blocks (42) are fixedly connected to the upper ends of the long rods (38), and the brushes (39) and the weight blocks (42) are respectively arranged on the upper and lower sides of the long rods (38).

9. The air quality detector for the environmental protection engineering as claimed in claim 2, wherein the outer walls of the two ends of the reciprocating screw rod (2) are both sleeved with a flexible hose (25).

10. The air quality detector for the environmental protection engineering according to claim 1, wherein four universal wheels (28) are installed at the lower end of the base (1) and distributed in a rectangular shape.