CN116429985A - Air quality detection device for workplace and application method thereof - Google Patents
Air quality detection device for workplace and application method thereof Download PDFInfo
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- CN116429985A CN116429985A CN202310500879.5A CN202310500879A CN116429985A CN 116429985 A CN116429985 A CN 116429985A CN 202310500879 A CN202310500879 A CN 202310500879A CN 116429985 A CN116429985 A CN 116429985A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/02—Indicating direction only, e.g. by weather vane
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
Abstract
The invention provides an air quality detection device for a working place and a use method thereof, belonging to the technical field of air detection, and comprising a base, a lifting sleeve, a protective shell, a mounting frame, a controller and an air inlet detection mechanism, wherein: the lifting sleeve is fixedly connected to the top of the base; the protective shell is fixedly connected to the top of the lifting sleeve, and a lifting mechanism is arranged in the protective shell; the mounting frame is arranged on the upper side of the protective shell, the height of the mounting frame can be adjusted through the lifting mechanism, and the top of the mounting frame is fixedly connected with the supporting seat; the controller is fixedly connected to the top of the mounting frame, and an air detection sensor is connected to the upper side of the controller in a telecommunication way; the air inlet detection mechanism is arranged on the upper side of the mounting frame; the invention has the following beneficial effects: the air flow contacts with the air detection sensor to achieve the purpose of detecting air, and automatically clean dust generated by the air flow, so that automatic dust removal is achieved, dust impurity residues are reduced, the waterproof and dustproof design is realized, the accuracy of detection data can be improved, and the service life is effectively prolonged.
Description
Technical Field
The invention belongs to the technical field of air detection, and particularly relates to an air quality detection device for a workplace and a use method thereof.
Background
The quality of air reflects the air pollution degree, which is judged according to the concentration of pollutants in the air, the air pollution is a complex phenomenon, the concentration of the pollutants in the air is influenced by a plurality of factors at specific time and place, and the amplification of artificial pollutant discharge from fixed and flowing pollution sources is one of the most main factors influencing the air quality, including tail gas of vehicles, ships and planes, industrial pollution, resident life and heating, garbage incineration and the like.
The prior art discloses a Chinese patent with the application number of CN201910483068.2, and discloses an air detection sampler, which comprises a base, wherein a sliding support device is arranged on the base, a controller is arranged on the base, an automatic sampling box device is arranged on the base, and an automatic regulation sampling tube device is arranged on the automatic sampling box device; a sampling storage section of thick bamboo is constituteed through two sampling sleeve butt joints, prevent to lead to the sample bag to damage because of outside reason, through electric telescopic handle, annular piston and two sampling sleeve's cooperation, can clear up the telescopic inner wall of sampling through annular piston effectively fast, thereby keep the inside cleanliness of sampling sleeve, through exhaust electric telescopic handle and exhaust piston cooperation, after once the sample finishes, through the exhaust piston with the intraductal surplus gas of sampling exhaust to external environment in, thereby guarantee the accuracy of air sampling, the error that the reduction sample produced, make the air sampling more accurate. The invention has the advantages of simple operation and strong practicability.
The utility model provides a workplace air quality detection device and method of use thereof, which is characterized in that a safe air environment is needed in a workplace, the existing air detection device can only be used indoors generally, water and ash are easy to enter when used outdoors, and especially in a building environment, different scraps such as saw dust or cement dust can be contained in building materials, and the device can cause instrument damage or pipeline blockage in the device due to the fact that scraps, dust and other pollutants are sucked in, corrosion and rust are caused when rainwater enters, dust accumulation causes blockage, air flow is influenced, accuracy of detection data is reduced, and meanwhile service life is seriously influenced.
Disclosure of Invention
The invention aims to provide an air quality detection device for a workplace and a use method thereof, which aim to solve at least one technical problem in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a workplace air quality detection device comprising:
a base;
the lifting sleeve is fixedly connected to the top of the base;
the protective shell is fixedly connected to the top of the lifting sleeve, and a lifting mechanism is arranged in the protective shell;
the mounting rack is arranged on the upper side of the protective shell, the height of the mounting rack can be adjusted through the lifting mechanism, and the top of the mounting rack is fixedly connected with the supporting seat;
the controller is fixedly connected to the top of the mounting frame, and an air detection sensor is connected to the upper side of the controller in a telecommunication way; and
the air inlet detection mechanism is arranged on the upper side of the mounting frame, is contacted with the air detection sensor through air flow so as to achieve the purpose of detecting air, and automatically cleans dust generated by the air flow.
As a preferable aspect of the present invention, the air intake detecting mechanism includes:
the positioning cylinder is fixedly connected to the top of the supporting seat, and one end of the positioning cylinder is fixedly connected with the air outlet cylinder;
the mounting cylinder is fixedly connected with the other end of the positioning cylinder, one end of the mounting cylinder, which is far away from the positioning cylinder, is fixedly connected with the air inlet cylinder, air enters the mounting cylinder from the air inlet cylinder, then passes through the positioning cylinder for detection, and finally is discharged from the air outlet cylinder;
the fixing sleeve is fixedly connected in the mounting cylinder, the fixing sleeve is positioned close to the positioning cylinder, and a notch is formed in the lower side of the fixing sleeve;
the filter plate is fixedly connected in the fixed sleeve and is used for filtering impurities in the air;
an external sleeve fixedly connected to the side of the mounting cylinder;
the air inlet assembly is arranged in the mounting cylinder and is used for guiding air to accelerate to flow so as to keep stable air detection;
the dust removing assembly is arranged between the filter plate and the air inlet assembly and is used for removing dust impurities on the surface of the filter plate;
the driving assembly is arranged on the external sleeve and is used for driving the air inlet assembly and the dust removal assembly to synchronously work; and
the discharging assembly is arranged on the lower side of the notch, dust impurities cleaned by the dust removing assembly fall into the notch, and finally the dust impurities are discharged by the discharging assembly.
As a preferable scheme of the invention, the air inlet assembly comprises a first bearing sleeve, a first outer tooth socket ring and fan blades, wherein the first bearing sleeve is fixedly connected in the mounting cylinder, the first outer tooth socket ring is rotationally connected in the first bearing sleeve, and the fan blades are fixedly connected to the inner wall of the first outer tooth socket ring;
the dust removal assembly comprises a second bearing sleeve, a second outer tooth groove ring and a brush, wherein the second bearing sleeve is fixedly connected in the mounting cylinder, the second bearing sleeve is positioned between the first bearing sleeve and the fixed sleeve, the second outer tooth groove ring is rotationally connected in the second bearing sleeve, the brush is fixedly connected to the inner wall of the second outer tooth groove ring, and the brush of the brush is attached to the filter plate.
As a preferable scheme of the invention, the driving assembly comprises a first motor, a first pinion and a second pinion, wherein the first motor is fixedly connected to the side part of the external sleeve, the first pinion and the second pinion are both positioned in the external sleeve, the first pinion and the second pinion are both fixedly connected to the output end of the first motor, the first pinion is meshed with the first external tooth groove ring, and the second pinion is meshed with the second external tooth groove ring.
As a preferred aspect of the present invention, the discharge assembly includes:
the dust removing cylinder is positioned at the lower side of the mounting cylinder, a dust inlet is arranged at the position close to the notch, the dust inlet is fixedly connected with the mounting cylinder, and the lower side of the dust removing cylinder is provided with a dust removing opening;
the auger is rotationally connected in the dust removing cylinder; and
and the second motor is fixedly connected with one end of the dust removing cylinder, and the output end of the second motor is fixedly connected with the auger.
As a preferable scheme of the invention, the top of the mounting frame is fixedly connected with a wind direction sensor and a wind speed sensor, and the wind direction sensor and the wind speed sensor are in telecommunication connection with the controller.
As a preferable scheme of the invention, the two sides of the protective shell are respectively and fixedly connected with the front panel and the rear panel, the top of the protective shell is provided with the sliding groove, the other side of the front panel is fixedly connected with the display screen, and the display screen is in telecommunication connection with the controller.
As a preferred embodiment of the present invention, the lifting mechanism includes:
the reinforcing rod is connected in the lifting sleeve in a sliding way, the top of the reinforcing rod penetrates through the sliding groove and extends upwards, and the side part of the reinforcing rod is fixedly connected with a rack;
the mounting shaft is rotationally connected between the front panel and the rear panel, the circumferential surface of the mounting shaft is fixedly connected with a third gear and a fourth gear, one end of the mounting shaft penetrates through the rear panel and is fixedly connected with a handle, and the third gear is meshed with the rack; and
the self-locking assembly is arranged on the protective shell and is used for automatically locking the height of the lifting reinforcing rod.
As a preferred aspect of the present invention, the self-locking assembly includes:
an inner ratchet wheel rotatably connected to one side of the rear panel close to the protective shell;
an inner gear fixedly connected to one side of the inner ratchet wheel, which is close to the front panel, and meshed with the fourth gear;
the pawl is rotationally connected to one side of the rear panel, which is close to the protective shell, and is meshed with the inner ratchet wheel, and one end of the pawl penetrates through the rear panel and is fixedly connected with a deflector rod; and
and one end of the spring is fixedly connected with the pawl, a stop block is fixedly connected to the position, close to the pawl, of the rear panel, and the other end of the spring is fixedly connected with the stop block.
A method of using a workplace air quality detection device, comprising the steps of:
s1, placing a base in a working place, and then adjusting the height of an installation frame;
s2, starting a first motor, driving a first pinion and a second pinion to synchronously rotate through the output end of the first motor, driving a first outer tooth socket ring to rotate by the first pinion under the meshing action, and driving fan blades to rotate by the first outer tooth socket ring, so that air is guided to enter an installation cylinder from an air inlet cylinder, filtered by a filter plate and enter a positioning cylinder, and finally discharged by an air outlet cylinder;
s3, when air enters the positioning cylinder, air is detected by the air detection sensor, air data are obtained and sent to the controller;
s4, the S2 shows that the second pinion drives the second outer tooth groove ring to rotate when rotating, the second outer tooth groove ring drives the hairbrush to rotate, and the hairbrush continuously erases dust and impurities on the surface of the filter plate, so that the filter plate is prevented from being blocked, and air flow is blocked;
s5, dust impurities fall into the dust inlet through the notch, the auger is driven to rotate through the output end of the second motor, so that the dust impurities move in the dust removing cylinder and are finally discharged through the dust removing port, automatic dust removal is achieved, and dust impurity residues are reduced.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the scheme, the small holes are formed in the bottom of the conical part, the bottom plane of the air outlet cylinder is designed, the small holes are formed in the bottom of the air outlet cylinder, rainwater can be effectively prevented from entering the air inlet cylinder and the air outlet cylinder, rainwater is prevented from entering the positioning cylinder and the mounting cylinder, corrosion of an inner structure is caused, the first pinion and the second pinion are driven to synchronously rotate through the output end of the first motor during use, air is guided to enter the mounting cylinder through the air inlet cylinder, then filtered by the filter plate and enters the positioning cylinder, finally discharged by the air outlet cylinder, detection of air is achieved through the air detection sensor, air data is obtained and sent to the controller, meanwhile dust impurities on the surface of the filter plate are continuously erased by the brush, the filter plate is prevented from being blocked, the dust impurities fall into the dust inlet through the notch, the auger is driven to rotate through the output end of the second motor, the dust impurities are enabled to move in the dust removing cylinder, automatic dust removal is finally achieved, the dust impurity residue is reduced, the waterproof dust prevention design is achieved, the accuracy of detection data is improved, and the service life is effectively prolonged.
2. In this scheme wind speed sensor and wind direction sensor all are close to the edge of mounting bracket, under the effect of wind force, the wind cup is rotatory with the rotational speed of proportional to wind speed around the axle, then obtain wind speed data according to the wind cup circumstances of turning, wind direction sensor and wind speed sensor cooperation use, except measuring average speed, but also the velocity component of a plurality of directions simultaneously, then show through the display screen, the staff can direct observation air data, the display screen is the LED display screen, certain prevent wind, rain-proof, waterproof function has, the area is great, the luminance is high can work in sunshine.
3. This scheme is when the third gear clockwise rotation is the stiffening rod upwards moves, interior ratchet can normally rotate, when the third gear anticlockwise rotation is the stiffening rod downwards moves, under the blocking of pawl, the internal gear can't anticlockwise rotate, thereby the position after automatic locking mounting bracket upwards adjusts, the height of nimble adjusting the mounting bracket, when needing downwards to adjust, stir the driving lever and make pawl and interior ratchet separation, interior ratchet can anticlockwise rotate this moment, but the stiffening rod downwards adjusts promptly, the driving lever loosens the back, under the elastic action of spring, the pawl returns to the normal position, mesh with interior ratchet again, easy operation is rational in infrastructure, convenience staff uses.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a perspective view of a workplace air quality inspection device according to the present invention;
FIG. 2 is a side view of a workplace air quality inspection device according to the present invention;
FIG. 3 is a schematic view of the structure of the mounting frame and the air intake detecting mechanism according to the present invention;
FIG. 4 is an exploded view of the air intake detection mechanism of the present invention;
FIG. 5 is a schematic view of the structure of the inlet and outlet cylinders according to the present invention;
FIG. 6 is an exploded view of the dust collector of the present invention in position;
FIG. 7 is an exploded view of the present invention at the location of the mounting cylinder;
FIG. 8 is an exploded view of the bearing housing of the present invention in place;
FIG. 9 is an exploded view of the protective case of the present invention in place;
FIG. 10 is a schematic view of the structure of the rear panel of the present invention in position;
fig. 11 is an exploded view of fig. 10 in accordance with the present invention.
The reference numerals in the figures illustrate:
1. a base; 2. a lifting sleeve;
3. a protective shell; 301. a front panel; 302. a rear panel; 303. a chute;
4. a mounting frame; 401. a support base;
5. an air inlet detection mechanism; 501. a positioning cylinder; 502. a mounting cylinder; 503. an air inlet cylinder; 504. an air outlet tube; 505. a first bearing housing; 506. a second bearing sleeve; 507. a fixed sleeve; 508. a first outer spline ring; 509. a fan blade; 5010. a second outer spline ring; 5011. a brush; 5012. a filter plate; 5013. an external sleeve; 5014. a first motor; 5015. a first pinion gear; 5016. a second pinion gear; 5017. a dust removal cylinder; 5018. a dust inlet; 5019. a dust removal port; 5020. an auger; 5021. a second motor; 5022. a notch;
6. a controller; 7. an air detection sensor; 8. a wind direction sensor; 9. a wind speed sensor; 10. a display screen;
11. a lifting mechanism; 1101. a reinforcing rod; 1102. a rack; 1103. a mounting shaft; 1104. a third gear; 1105. a fourth gear; 1106. a handle; 1107. an inner ratchet; 1108. an internal gear; 1109. a pawl; 11010. a deflector rod; 11012. a spring; 11013. a stop block;
12. and (5) balancing weights.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 1 to 11, the technical solution provided in this embodiment is as follows:
the utility model provides a workplace air quality detection device, includes base 1, lift cover 2, protective housing 3, mounting bracket 4, controller 6 and air inlet detection mechanism 5, wherein: the lifting sleeve 2 is fixedly connected to the top of the base 1; the protective shell 3 is fixedly connected to the top of the lifting sleeve 2, and a lifting mechanism 11 is arranged in the protective shell; the mounting frame 4 is arranged on the upper side of the protective shell 3, the height of the mounting frame can be adjusted through the lifting mechanism 11, and the top of the mounting frame is fixedly connected with the supporting seat 401; the controller 6 is fixedly connected to the top of the mounting frame 4, and an air detection sensor 7 is connected to the upper side of the controller in a telecommunication manner; the air inlet detection mechanism 5 is arranged on the upper side of the mounting frame 4, is contacted with the air detection sensor 7 through air flow to achieve the purpose of detecting air, and automatically cleans dust generated by the air flow.
In the specific embodiment of the invention, the air inlet cylinder 503 and the air outlet cylinder 504 are respectively provided with a small hole, the small holes are arranged at the bottom of the conical part, the bottom plane design of the air outlet cylinder 504 is arranged at the bottom of the air outlet cylinder 504, the small holes can effectively prevent rainwater from entering the air inlet cylinder 503 and the air outlet cylinder 504, the rainwater from entering the inside of the positioning cylinder 501 and the mounting cylinder 502, the corrosion of the internal structure is caused, the first pinion 5015 and the second pinion 5016 are driven to synchronously rotate through the output end of the first motor 5014, the first pinion 5015 drives the first external tooth socket ring 508 to rotate under the meshing action, the first external tooth socket ring 508 drives the fan blade 509 to rotate, so as to guide air to enter the mounting cylinder 502 from the air inlet cylinder 503, then the air is filtered to enter the positioning cylinder 501 through the filter plate 5012, finally the air outlet cylinder 504 is discharged, the air detection sensor 7 is fixed in the positioning cylinder 501, the air detection sensor 7 is in telecommunication connection with the controller 6, when the air enters the positioning cylinder 501, the air is driven to automatically rotate through the output end of the detection sensor 7, the second motor 5011 drives the air inlet slot ring 5010 to rotate, the second external tooth socket ring 5010 is driven to rotate, the dust is prevented from entering the dust inlet ring 5010, the dust inlet ring 5011 is prevented from being blown off, and the dust is prevented from flowing out of the dust inlet through the dust inlet ring 5010, and the dust inlet ring 5011 is prevented from being discharged into the dust inlet through the dust inlet ring 5010, and dust inlet ring 5011 is simultaneously by the dust inlet and dust inlet is prevented from being discharged through the dust inlet ring 5011, and wind direction data can be monitored in real time through the wind direction sensor 8, wind speed data can be monitored in real time through the wind speed sensor 9, and then the wind direction data can be directly displayed through the display screen 10, so that the air detection result can be directly observed, and the multifunctional wind direction sensor is multifunctional.
Specifically, the air intake detecting mechanism 5 includes:
the positioning cylinder 501 is fixedly connected to the top of the supporting seat 401, and one end of the positioning cylinder is fixedly connected with the air outlet cylinder 504;
the installation cylinder 502 is fixedly connected to the other end of the positioning cylinder 501, one end of the installation cylinder, which is far away from the positioning cylinder 501, is fixedly connected with the air inlet cylinder 503, air enters the installation cylinder 502 from the air inlet cylinder 503, then passes through the positioning cylinder 501 to be detected, and finally is discharged from the air outlet cylinder 504;
a fixing sleeve 507 fixedly connected in the mounting cylinder 502 and positioned close to the positioning cylinder 501, and provided with a notch 5022 at the lower side thereof;
a filter plate 5012 fixedly connected to the inside of the fixing cover 507 for filtering impurities in the air;
an external sleeve 5013 fixedly connected to a side portion of the mounting cylinder 502;
the air inlet assembly is arranged in the mounting cylinder 502 and is used for guiding air to accelerate to flow so as to keep stable air detection, and comprises a first bearing sleeve 505, a first outer tooth socket ring 508 and fan blades 509, wherein the first bearing sleeve 505 is fixedly connected in the mounting cylinder 502, the first outer tooth socket ring 508 is rotationally connected in the first bearing sleeve 505, and the fan blades 509 are fixedly connected to the inner wall of the first outer tooth socket ring 508;
the dust removing assembly is arranged between the filter plate 5012 and the air inlet assembly and is used for removing dust impurities on the surface of the filter plate 5012, the dust removing assembly comprises a second bearing sleeve 506, a second outer tooth socket ring 5010 and a brush 5011, the second bearing sleeve 506 is fixedly connected in the mounting cylinder 502, the second bearing sleeve 506 is positioned between the first bearing sleeve 505 and the fixing sleeve 507, the second outer tooth socket ring 5010 is rotatably connected in the second bearing sleeve 506, the brush 5011 is fixedly connected to the inner wall of the second outer tooth socket ring 5010, and the brush of the brush 5011 is attached to the filter plate 5012;
the driving assembly is arranged on the external sleeve 5013 and is used for driving the air inlet assembly and the dust removal assembly to synchronously work, the driving assembly comprises a first motor 5014, a first pinion 5015 and a second pinion 5016, the first motor 5014 is fixedly connected to the side part of the external sleeve 5013, the first pinion 5015 and the second pinion 5016 are both positioned in the external sleeve 5013, the first pinion 5015 and the second pinion 5016 are both fixedly connected to the output end of the first motor 5014, the first pinion 5015 is meshed with the first external tooth groove ring 508, and the second pinion 5016 is meshed with the second external tooth groove ring 5010; and
the exhaust component, it sets up in the downside of breach 5022, falls the breach 5022 in through the dust impurity of dust removal component clearance, finally discharges dust impurity through the exhaust component, and the exhaust component includes:
the dust removing cylinder 5017 is positioned at the lower side of the mounting cylinder 502, a dust inlet 5018 is arranged at the position close to the notch 5022, the dust inlet 5018 is fixedly connected with the mounting cylinder 502, and a dust removing port 5019 is arranged at the lower side;
an auger 5020 rotatably connected within the dedusting barrel 5017; and
the second motor 5021 is fixedly connected to one end of the dust removal barrel 5017, and the output end of the second motor 5021 is fixedly connected to the auger 5020.
In the embodiment of the present invention, referring to fig. 3, a positioning cylinder 501 is fixed on the upper side of a supporting seat 401, a mounting groove is provided at a position of the positioning cylinder 501 close to a mounting frame 4, an air detection sensor 7 is fixed inside the mounting groove, air in the positioning cylinder 501 can be detected by the air detection sensor 7, an air inlet cylinder 503 and an air outlet cylinder 504 are positioned at both sides of the mounting frame 4, a mounting cylinder 502 is fixedly connected with the positioning cylinder 501 by bolts, a first bearing sleeve 505, a second bearing sleeve 506 and a fixing sleeve 507 are positioned in the mounting cylinder 502, the position of the first bearing sleeve 505 is close to the air inlet cylinder 503 for supporting a first external spline ring 508 to rotate, the second bearing sleeve 506 is used for supporting a second external spline ring 5010 to rotate, an external sleeve 5013 is fixed at the side of the mounting cylinder 502 by bolts, a first pinion 5015 and a first motor 5014 are positioned in the external sleeve 5013, the output end of the first motor 5014 drives the first pinion 5015 and the second pinion 5016 to synchronously rotate, under the meshing action, the first pinion 5015 drives the first outer tooth socket ring 508 to rotate, the first outer tooth socket ring 508 drives the fan blade 509 to rotate, thereby guiding air to enter the installation cylinder 502 from the air inlet cylinder 503, meanwhile, the second pinion 5016 drives the second outer tooth socket ring 5010 to rotate when rotating, the second outer tooth socket ring 5010 drives the brush 5011 to rotate, the brush 5011 continuously erases dust impurities on the surface of the filter board 5012, the filter board 5012 is prevented from being blocked, the air flow is blocked, the notch 5022 is arranged at the position of the fixed sleeve 507 and the installation cylinder 502 close to the dust inlet 5018, the scanned dust impurities fall into the dust removal cylinder 5017 through the notch 5022, then the output end of the second motor 5021 drives the auger 5020 to rotate, the dust impurities move in the dust removal cylinder 5017 and are finally discharged through the dust removal port 5019, so as to realize automatic dust removal, reduce dust impurity and remain, dust removal mouth 5019 extends to the outside of mounting bracket 4, and dust impurity can not pile up on mounting bracket 4.
Specifically, the top fixedly connected with wind direction sensor 8 and wind speed sensor 9 of mounting bracket 4, wind direction sensor 8 and wind speed sensor 9 all are connected with controller 6 telecommunications, and the both sides of protective housing 3 are fixedly connected with front panel 301 and rear panel 302 respectively, and the top of protective housing 3 is provided with spout 303, and the opposite side fixedly connected with display screen 10 of front panel 301, display screen 10 and controller 6 telecommunications connection.
In the specific embodiment of the invention, the wind speed sensor 9 and the wind direction sensor 8 are both close to the edge of the mounting frame 4, the wind speed sensor 9 consists of a sensing part formed by 3 parabolic conical hollow cups which are mutually fixed on the bracket at an angle of 120 degrees, and the concave surfaces of the hollow cups are all in the same direction. The whole induction part is arranged on a vertical rotating shaft, the wind cup rotates around the shaft at a rotating speed proportional to the wind speed under the action of wind force, wind speed data are obtained according to the rotation condition of the wind cup, the wind direction sensor 8 and the wind speed sensor 9 are matched for use, besides measuring the average speed, the speed components in multiple directions can be measured simultaneously, then the speed components are displayed through the display screen 10, workers can directly observe air data, the display screen 10 is an LED display screen, and the LED display screen has certain windproof, rainproof and waterproof functions, is large in area and high in brightness, and can work in sunlight.
Specifically, the elevating mechanism 11 includes:
the reinforcing rod 1101 is slidably connected in the lifting sleeve 2, the top of the reinforcing rod penetrates through the sliding groove 303 and extends upwards, and the side part of the reinforcing rod is fixedly connected with the rack 1102;
a mounting shaft 1103 rotatably connected between the front panel 301 and the rear panel 302, having a third gear 1104 and a fourth gear 1105 fixedly connected to the circumferential surface thereof, having one end penetrating the rear panel 302 and fixedly connected to a handle 1106, the third gear 1104 being engaged with the rack 1102; and
the auto-lock subassembly, it sets up on protective housing 3, and it is used for the height after the automatic locking stiffening rod 1101 goes up and down, and the auto-lock subassembly includes:
an inner ratchet 1107 rotatably connected to the rear panel 302 at a side close to the protective case 3;
an internal gear 1108 fixedly connected to a side of the internal ratchet 1107 near the front panel 301, which is engaged with the fourth gear 1105;
a pawl 1109 rotatably connected to the rear panel 302 at a side close to the protective case 3, engaged with the inner ratchet 1107, and having one end penetrating the rear panel 302 and fixedly connected to a lever 11010; and
the spring 11012 has one end fixedly connected to the pawl 1109, the rear panel 302 is fixedly connected to the stopper 11013 near the pawl 1109, and the other end fixedly connected to the stopper 11013.
In the embodiment of the present invention, referring to fig. 1, 2, 9, 10 and 11, the front panel 301 and the rear panel 302 are fixed on the front and rear sides of the protective housing 3, the bottom of the reinforcing rod 1101 can slide in the lifting sleeve 2, the top of the reinforcing rod 1101 penetrates through the chute 303 and extends upward, the third gear 1104 is meshed with the rack 1102, the fourth gear 1105 is meshed with the internal gear 1108, the rotating handle 1106 can drive the third gear 1104 and the fourth gear 1105 to rotate simultaneously, under the action of the meshing, the third gear 1104 can drive the rack 1102 to move up and down, the rack 1102 drives the rack 1102 to move up and down so as to facilitate the adjustment of the height of the mounting rack 4, meanwhile, the internal gear 1108 drives the internal ratchet 1107 fixedly connected with the rack 1107 to rotate along with the speed reduction of the fourth gear 1105, as shown in fig. 11, when the third gear 1104 rotates clockwise, i.e. the reinforcing rod 1101 moves upward, the internal ratchet 1107 can rotate normally, when the third gear 1104 rotates counterclockwise, i.e. the reinforcing rod 1101 moves downward, the internal gear 1108 cannot rotate under the blocking of the ratchet 1109, so that the ratchet 1109 rotates counterclockwise, the third gear 1104 can drive the third gear 1104 and rotate counterclockwise, thereby the rack 1102 can rotate upward, the flexible ratchet 4 can rotate freely, the pawl 11010 can rotate freely, and the inner ratchet 11010 can be adjusted to rotate freely, and the inner ratchet 11011010 can rotate in a convenient way, and the mode, which is convenient to rotate and the inner ratchet 110and is adjusted by the user, and is adjusted to rotate 110and is adjusted by the user.
Preferably, the inside balancing weight 12 that is provided with of base 1 makes base 1 more stable, strengthens the wind resistance ability, and four corners department is provided with the universal wheel, is convenient for remove.
A method of using a workplace air quality detection device, comprising the steps of:
s1, placing a base 1 in a working place, and then adjusting the height of a mounting frame 4;
s2, starting a first motor 5014, driving a first pinion 5015 and a second pinion 5016 to synchronously rotate through the output end of the first motor 5014, driving a first outer tooth socket ring 508 to rotate by the first pinion 5015 under the meshing action, driving a fan blade 509 to rotate by the first outer tooth socket ring 508, thereby guiding air to enter the mounting cylinder 502 from the air inlet cylinder 503, then filtering the air through a filter plate 5012, entering the positioning cylinder 501, and finally discharging the air through the air outlet cylinder 504;
s3, when air enters the positioning cylinder 501, air is detected by the air detection sensor 7, and air data are obtained and sent to the controller 6;
s4, as known from S2, when the second pinion 5016 rotates, the second external tooth socket ring 5010 is driven to rotate, the second external tooth socket ring 5010 drives the brush 5011 to rotate, the brush 5011 continuously erases dust and impurities on the surface of the filter plate 5012, the filter plate 5012 is prevented from being blocked, and air flow is blocked;
s5, dust impurities fall into the dust inlet 5018 through the notch 5022, the output end of the second motor 5021 drives the auger 5020 to rotate, so that the dust impurities move in the dust removal barrel 5017 and are finally discharged through the dust removal port 5019, and therefore automatic dust removal is achieved, and dust impurity residues are reduced.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A workplace air quality detection apparatus, comprising:
a base (1);
the lifting sleeve (2) is fixedly connected to the top of the base (1);
the protective shell (3) is fixedly connected to the top of the lifting sleeve (2), and a lifting mechanism (11) is arranged in the protective shell;
the mounting frame (4) is arranged on the upper side of the protective shell (3), the height of the mounting frame can be adjusted through the lifting mechanism (11), and the top of the mounting frame is fixedly connected with the supporting seat (401);
the controller (6) is fixedly connected to the top of the mounting frame (4), and an air detection sensor (7) is connected to the upper side of the controller in a telecommunication way; and
the air inlet detection mechanism (5) is arranged on the upper side of the mounting frame (4), is contacted with the air detection sensor (7) through air flow so as to achieve the purpose of detecting air, and automatically cleans dust generated by the air flow.
2. A workplace air quality detection arrangement according to claim 1, characterized in that the inlet air detection means (5) comprises:
the positioning cylinder (501) is fixedly connected to the top of the supporting seat (401), and one end of the positioning cylinder is fixedly connected with the air outlet cylinder (504);
the mounting cylinder (502) is fixedly connected with the other end of the positioning cylinder (501), one end of the mounting cylinder, which is far away from the positioning cylinder (501), is fixedly connected with the air inlet cylinder (503), air enters the mounting cylinder (502) from the air inlet cylinder (503), then passes through the positioning cylinder (501) to be detected, and finally is discharged from the air outlet cylinder (504);
a fixed sleeve (507) fixedly connected in the mounting cylinder (502) and positioned close to the positioning cylinder (501), and a notch (5022) is arranged at the lower side of the fixed sleeve;
a filter plate (5012) fixedly connected to the inside of the fixing sleeve (507) for filtering impurities in the air;
an external sleeve (5013) fixedly connected to the side of the mounting cylinder (502);
the air inlet assembly is arranged in the mounting cylinder (502) and is used for guiding air to accelerate to flow so as to keep stable air detection;
the dust removing component is arranged between the filter plate (5012) and the air inlet component and is used for removing dust impurities on the surface of the filter plate (5012);
the driving assembly is arranged on the external sleeve (5013) and is used for driving the air inlet assembly and the dust removal assembly to synchronously work; and
the discharging component is arranged on the lower side of the notch (5022), dust impurities cleaned by the dust removing component fall into the notch (5022), and finally the dust impurities are discharged by the discharging component.
3. A workplace air quality inspection device according to claim 2, wherein,
the air inlet assembly comprises a first bearing sleeve (505), a first outer tooth socket ring (508) and fan blades (509), wherein the first bearing sleeve (505) is fixedly connected in the mounting cylinder (502), the first outer tooth socket ring (508) is rotationally connected in the first bearing sleeve (505), and the fan blades (509) are fixedly connected to the inner wall of the first outer tooth socket ring (508);
the dust removal assembly comprises a second bearing sleeve (506), a second outer tooth socket ring (5010) and a brush (5011), wherein the second bearing sleeve (506) is fixedly connected in the mounting cylinder (502), the second bearing sleeve (506) is positioned between the first bearing sleeve (505) and the fixing sleeve (507), the second outer tooth socket ring (5010) is rotationally connected in the second bearing sleeve (506), the brush (5011) is fixedly connected to the inner wall of the second outer tooth socket ring (5010), and the brush part of the brush (5011) is attached to the filter plate (5012).
4. A workplace air quality testing apparatus according to claim 3, wherein the drive assembly comprises a first motor (5014), a first pinion (5015) and a second pinion (5016), the first motor (5014) is fixedly connected to the side of the outer sleeve (5013), the first pinion (5015) and the second pinion (5016) are both located in the outer sleeve (5013), the first pinion (5015) and the second pinion (5016) are both fixedly connected to the output end of the first motor (5014), the first pinion (5015) is engaged with the first outer spline (508), and the second pinion (5016) is engaged with the second outer spline (5010).
5. A workplace air quality inspection device according to claim 4 wherein said exhaust assembly comprises:
the dust removing cylinder (5017) is positioned at the lower side of the mounting cylinder (502), a dust inlet (5018) is arranged at the position, close to the notch (5022), of the dust removing cylinder, the dust inlet (5018) is fixedly connected with the mounting cylinder (502), and a dust removing port (5019) is arranged at the lower side of the dust inlet;
an auger (5020) rotatably connected in the dust removal barrel (5017); and
and the second motor (5021) is fixedly connected with one end of the dust removal barrel (5017), and the output end of the second motor is fixedly connected with the auger (5020).
6. The workplace air quality detection device according to claim 5, wherein a wind direction sensor (8) and a wind speed sensor (9) are fixedly connected to the top of the mounting frame (4), and the wind direction sensor (8) and the wind speed sensor (9) are in telecommunication connection with the controller (6).
7. The air quality detection device for a workplace according to claim 6, wherein a front panel (301) and a rear panel (302) are fixedly connected to two sides of the protective housing (3), a sliding groove (303) is formed in the top of the protective housing (3), a display screen (10) is fixedly connected to the other side of the front panel (301), and the display screen (10) is in telecommunication connection with the controller (6).
8. A workplace air quality inspection device according to claim 7, characterized in that the lifting mechanism (11) comprises:
the reinforcing rod (1101) is connected in the lifting sleeve (2) in a sliding way, the top of the reinforcing rod penetrates through the sliding groove (303) and extends upwards, and the side part of the reinforcing rod is fixedly connected with the rack (1102);
the mounting shaft (1103) is rotatably connected between the front panel (301) and the rear panel (302), a third gear (1104) and a fourth gear (1105) are fixedly connected to the circumferential surface of the mounting shaft, one end of the mounting shaft penetrates through the rear panel (302) and is fixedly connected with a handle (1106), and the third gear (1104) is meshed with the rack (1102); and
the self-locking assembly is arranged on the protective shell (3) and is used for automatically locking the height of the lifting reinforcing rod (1101).
9. The workplace air quality detection equipment of claim 8 wherein said self-locking assembly comprises:
an inner ratchet (1107) rotatably connected to the rear panel (302) at a side close to the protective case (3);
an internal gear (1108) fixedly connected to one side of the internal ratchet wheel (1107) close to the front panel (301), and meshed with the fourth gear (1105);
a pawl (1109) rotatably connected to one side of the rear panel (302) close to the protective shell (3), meshed with the inner ratchet wheel (1107), and one end of which penetrates through the rear panel (302) and is fixedly connected with a deflector rod (11010); and
and one end of the spring (11012) is fixedly connected with the pawl (1109), a stop block (11013) is fixedly connected to the position, close to the pawl (1109), of the rear panel (302), and the other end of the spring is fixedly connected with the stop block (11013).
10. A method of using a workplace air quality inspection device as defined in any one of claims 1 to 9, comprising the steps of:
s1, placing a base (1) in an operation place, and then adjusting the height of a mounting frame (4);
s2, starting a first motor (5014), driving a first pinion (5015) and a second pinion (5016) to synchronously rotate through the output end of the first motor (5014), driving a first outer tooth socket ring (508) to rotate through the first pinion (5015) under the meshing action, driving a fan blade (509) to rotate through the first outer tooth socket ring (508), so that air is guided to enter an installation cylinder (502) from an air inlet cylinder (503), filtered by a filter plate (5012) to enter a positioning cylinder (501), and finally discharged from an air outlet cylinder (504);
s3, when air enters the positioning cylinder (501), the air is detected by the air detection sensor (7), so that air data are obtained and sent to the controller (6);
s4, the S2 shows that when the second pinion (5016) rotates, the second external tooth socket ring (5010) is driven to rotate, the second external tooth socket ring (5010) drives the brush (5011) to rotate, the brush (5011) continuously erases dust impurities on the surface of the filter plate (5012), the filter plate (5012) is prevented from being blocked, and air flow is blocked;
s5, dust impurities fall into a dust inlet (5018) through a notch (5022), an output end of a second motor (5021) drives an auger (5020) to rotate, so that the dust impurities move in a dust removing cylinder (5017), and finally are discharged through a dust removing port (5019) to realize automatic dust removal and reduce dust impurity residues.
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| CN202310500879.5A CN116429985B (en) | 2023-05-06 | 2023-05-06 | Air quality detection device for workplace and application method thereof |
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| CN202310500879.5A CN116429985B (en) | 2023-05-06 | 2023-05-06 | Air quality detection device for workplace and application method thereof |
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| JP2007249500A (en) * | 2006-03-15 | 2007-09-27 | Riken Keiki Co Ltd | Portable gas alarm |
| CN109621567A (en) * | 2018-12-12 | 2019-04-16 | 武汉远光瑞康科技有限公司 | A kind of air purifier with automatic dust removing effect |
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