CN115541438B - Portable multi-environment atmospheric environmental pollution detector and use method thereof - Google Patents
Portable multi-environment atmospheric environmental pollution detector and use method thereof Download PDFInfo
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- CN115541438B CN115541438B CN202211532910.5A CN202211532910A CN115541438B CN 115541438 B CN115541438 B CN 115541438B CN 202211532910 A CN202211532910 A CN 202211532910A CN 115541438 B CN115541438 B CN 115541438B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/02—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
- G01N15/0637—Moving support
- G01N15/0643—Moving support of the filter type
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses a portable multi-environment atmospheric environmental pollution detector and a use method thereof. The invention belongs to the technical field of pollutant detection, and particularly relates to a portable multi-environment atmospheric environment pollution detector and a use method thereof; according to the invention, the self-adaptive feeding driving assembly is driven to lift by the airflow flow driven by the slow-blowing fan blades, the unidirectional unpowered self-adaptive driving of the unidirectional feeding assembly by the self-adaptive feeding driving assembly is realized by the arrangement of the rotary damping and the cooperation of the ratchet mechanism, and the technical effects of automatic monitoring, weighing and feeding are realized only through a smart mechanical structure under the condition of no electronic control and feedback module.
Description
Technical Field
The invention belongs to the technical field of pollutant detection, and particularly relates to a portable multi-environment atmospheric environment pollution detector and a use method thereof.
Background
The diameter of suspended particulate matters in air is small, wherein the particulate matters with equivalent diameter less than or equal to 2.5 micrometers are called PM2.5, and the air quality is usually reacted through the concentration of PM2.5 in recent years, but the air quality or air pollution is not judged through a single index, so that the air pollution cannot be judged only through the index of PM2.5, and the main method comprises the following steps of: weight methods, micro-oscillating balance methods, and beta-ray methods, wherein the weight method is the most accurate, often also serve as a basis for determining whether other methods are accurate.
The weight method mainly has the following defects:
a: the efficiency is low, because manual weighing is needed after each collection is completed, and the overall efficiency is low due to the multiple steps and low degree of automation;
b: because of the low degree of automation, the gravimetric method is not suitable for remote monitoring nor real-time monitoring.
In order to overcome the defects, the invention provides a portable multi-environment environmental pollution detector which is based on multipoint equidistant measurement and has high automation degree and can be used for remote and automatic measurement and a use method thereof.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a portable multi-environment atmospheric environmental pollution detector which is based on multipoint equidistant measurement and has high automation degree and can be used for remote and automatic measurement and a use method thereof; in order to solve the problems of low automation degree and low efficiency of the traditional weight measurement method, the invention creatively provides a unidirectional self-adaptive feeding type continuous monitoring mechanism, the self-adaptive feeding driving assembly is driven to lift by driving airflow to flow through the blades of the slow-blowing fan, unidirectional unpowered self-adaptive driving of the unidirectional feeding assembly by the self-adaptive feeding driving assembly is realized through the arrangement of rotary damping and the cooperation of a ratchet mechanism, and the technical effects of automatic monitoring, weighing and feeding are realized only through a smart mechanical structure under the condition of no electronic control and feedback module.
In order to further improve the monitoring precision, the invention provides a hexagonal scattered planetary measuring base based on the basic principle of multipoint multi-time average monitoring, and the distances from all planetary measuring bases to a self-rolling synchronous retracting mechanism are equal by utilizing the structural characteristics of an equilateral triangle, so that the distances between groups of planetary measuring bases are always equal in the process of adjusting the planetary measuring bases.
The technical scheme adopted by the invention is as follows: the invention provides a portable multi-environment atmospheric environmental pollution detector, which comprises a unidirectional self-adaptive feeding type continuous monitoring mechanism, a self-rolling synchronous collecting and releasing mechanism, a planetary measuring base and an installing and fixing mechanism, wherein the unidirectional self-adaptive feeding type continuous monitoring mechanism is annularly and uniformly arranged on the planetary measuring base, the unidirectional self-adaptive feeding type continuous monitoring mechanism can make corresponding amplitude descent when sensing micro air flow, on one hand, the unidirectional self-adaptive feeding type continuous monitoring mechanism can drive a unidirectional feeding assembly to rotate for feeding and re-measuring, on the other hand, the self-adaptive feeding type continuous monitoring mechanism can lead the self-adaptive feeding driving assembly to be far away from the unidirectional feeding assembly and avoid interference to collected particles caused by air flow blockage, and the unidirectional self-adaptive feeding type continuous monitoring mechanism is also arranged on the self-rolling synchronous collecting and releasing mechanism, the synchronous retracting mechanism of self-rolling can make the synchronous retracting of each group of planetary measurement base of annular equipartition, and then makes the distance between the continuous monitoring mechanism of each adjacent group of unidirectional self-adaptation feed formula remain equal all the time, the synchronous retracting mechanism of self-rolling and the base of planetary measurement are the base of bearing the synchronous retracting mechanism of self-rolling all around, and the annular equipartition of planetary measurement base is provided with six groups, and according to equilateral triangle's characteristic, the distance between the continuous monitoring mechanism of each adjacent group of unidirectional self-adaptation feed formula can remain equal all the time, installation fixed establishment locates the bottom of synchronous retracting mechanism of self-rolling and planetary measurement base.
Further, the unidirectional self-adaptive feeding type continuous monitoring mechanism comprises a unidirectional feeding assembly, a self-adaptive feeding driving assembly and a weight sensing assembly, wherein the unidirectional feeding assembly is arranged on the self-winding synchronous retracting mechanism and the planetary measuring base, and can only rotate unidirectionally in the normal working process due to the existence of the rotary damping and the ratchet mechanism, the self-adaptive feeding driving assembly is clamped and slidingly arranged in the unidirectional feeding assembly, the weight sensing assembly is arranged in the installation fixing mechanism, and the weight sensing assembly is arranged at the bottom of the self-adaptive feeding driving assembly.
Preferably, the unidirectional feeding component comprises a square collecting box, a feeding rotating shaft, a feeding ratchet wheel and a winding type filtering membrane, one group of the square collecting box is arranged on the self-winding synchronous collecting and releasing mechanism, the other groups of the square collecting box are arranged on the planetary measuring base, a round hole at the bottom of the collecting box is arranged at the bottom of the square collecting box, side damping hinge holes of the collecting box are symmetrically arranged on the side face of the square collecting box, the feeding rotating shaft is rotationally arranged in the side damping hinge holes of the collecting box, rotation resistance exists in the feeding rotating shaft and the side damping hinge holes of the collecting box, under the action of the resistance, the elastic ratchet wheel of the driving frame can only unidirectionally drive the feeding ratchet wheel to rotate, the feeding ratchet wheel is kept motionless when the side driving frame rebounds, the feeding ratchet wheel is clamped at two ends of the feeding rotating shaft, the winding type filtering membrane is wound on the feeding rotating shaft, and tiny holes are distributed on the winding type filtering membrane, and micro particles with diameters larger than a certain value can be intercepted.
As a further preferred aspect of the present invention, the adaptive feeding driving assembly includes an adaptive lifting base, a side driving frame and a bending windward plate, the side driving frame is symmetrically disposed at two sides of the adaptive lifting base, the adaptive lifting base is symmetrically disposed with a base slope top, the side driving frame is disposed with a driving frame longitudinal rod, the driving frame longitudinal rod is disposed with driving frame elastic ratchets matched with a feeding ratchet, the side driving frame can rotate with the feeding ratchet in a downward movement process, the side driving frame cannot drive the feeding ratchet to rotate in an upward movement process, the bending windward plate is symmetrically disposed at an edge of the base slope top, the bending windward plate and the adaptive lifting base slide downward together under the pushing of an air current, and the windward area and the windward capacity of the adaptive lifting base can be increased by the bending windward plate, thereby improving the sensitivity to the air current; the rotation feeding of the unidirectional feeding assembly can be driven in an unpowered way through the lifting of the side driving frame.
As a further preferred mode of the invention, the weight sensing assembly comprises a pressure sensor, a low-modulus spring and a spring base, wherein the pressure sensor is fixedly connected to the bottom of the self-adaptive lifting base, the low-modulus spring is arranged between the pressure sensor and the spring base, after the self-adaptive lifting base is reset, the weight of the coiled filtering membrane falls on the self-adaptive lifting base, the weight of dust intercepted in the measuring time can be sensed through the pressure change of the pressure sensor, the self-adaptive feeding driving assembly can be controlled to slowly reset when no airflow exists through the low-modulus spring, base ventilation holes are uniformly distributed in an annular mode on the spring base, and the spring base is fixedly connected to the installation fixing mechanism.
Further, the self-rolling synchronous winding and unwinding mechanism comprises a center frame, an elastic coil spring and a synchronous winding and unwinding gear, wherein a frame center circular ring and a frame center circular hole are arranged at the center position of the center frame, one group of square collecting boxes is fixedly connected in the center frame, frame hinge holes and frame connecting columns are uniformly distributed at the edge position of the center frame in an annular mode, one end of the elastic coil spring is fixedly connected on the frame center circular ring, the other end of the elastic coil spring is fixedly connected on the synchronous winding and unwinding gear, the elastic coil spring can deform when the planetary measuring base is pulled out, the elastic coil spring rotates through the elastic force of the elastic coil spring, the synchronous winding and unwinding gear rotates and is arranged in the center frame, the synchronous winding and unwinding gear and the center frame are coaxially arranged all the time, and the synchronous winding and unwinding gear can simultaneously rotate with six groups of planetary measuring bases when rotating, so that the synchronization between the planetary measuring bases is kept.
Further, the planetary measurement base comprises a driven collecting and releasing assembly and a planetary frame assembly, the driven collecting and releasing assembly is rotationally arranged in a frame hinge hole, a plurality of groups of planetary frame assemblies are annularly and uniformly distributed, the driven collecting and releasing assembly comprises an eccentric wheel rotating shaft, an eccentric gear body and an eccentric roller, the eccentric wheel rotating shaft is rotationally arranged in the frame hinge hole, the eccentric gear body is clamped on the eccentric wheel rotating shaft, the eccentric gear body is in meshed connection with the synchronous collecting and releasing gear, and the driven collecting and releasing assembly is provided with the eccentric roller.
Preferably, the planetary frame assembly comprises a planetary frame, a cable connecting terminal and a winding synchronous cable, wherein a frame center hole is formed in the center of the planetary frame, the rest groups of square collecting boxes are fixedly connected to the planetary frame, the cable connecting terminal is arranged at one end of the planetary frame, the winding synchronous cable is wound on an eccentric roller, and the free end of the winding synchronous cable is fixedly connected to the cable connecting terminal.
Further, the installation fixed establishment includes fretwork formula base, blast air subassembly and detachable nail subassembly, one of them a set of rigid coupling of fretwork formula base in the bottom of center frame, other each group rigid coupling of fretwork formula base in the bottom of planet frame, blast air subassembly rigid coupling in the bottom of square collecting box, detachable nail subassembly can dismantle the bottom of locating the fretwork formula base.
Preferably, the hollow base is provided with a base center round hole, the hollow base is symmetrically provided with base mounting discs, base connecting columns are uniformly distributed between the base mounting discs in an annular mode, the detachable ground nail assembly comprises a ground nail mounting disc and a ground nail body, the ground nail mounting disc is detachably arranged at the bottom of the base center round hole, the ground nail body is fixedly connected to the bottom of the ground nail mounting disc, the detachable ground nail assembly is detachably designed, the ground nail assembly can be fixed on soft sandy lands through the ground nail body, and the detachable ground nail assembly can be fixed on a flat bottom through the hollow base with the flat bottom.
As a further preferable mode of the invention, the air blast assembly comprises an L-shaped bent pipe and a slow air blast fan blade, wherein the L-shaped bent pipe is fixedly connected to the bottom of the square collecting box, circular holes at the bottoms of the L-shaped bent pipe and the collecting box are coaxially arranged and have corresponding sizes, the spring base is fixedly connected in the L-shaped bent pipe, and the slow air blast fan blade is clamped in the L-shaped bent pipe.
The scheme also discloses a use method of the portable multi-environment atmospheric environmental pollution detector, which mainly comprises the following steps:
step one: firstly, the self-rolling synchronous retraction mechanism is installed and fixed at a position to be measured through an installation fixing mechanism, if the position to be measured is a soft sandy land, the self-rolling synchronous retraction mechanism is fixed in position through a ground nail body, if the position to be measured is a cement land, a base installation disc is placed on the ground after the detachable nail assembly is detached, and a heavy object is covered on the base installation disc for position fixing;
step two: six operators hold the planetary measuring bases respectively and diffuse outwards at the same time, and a winding type synchronous cable wound on the eccentric roller is unfolded at the moment and drives the eccentric wheel rotating shaft and the eccentric gear body to rotate;
Step three: after the planetary measuring base is pulled down to a designated position, the position of the planetary measuring base is fixed according to the same steps as the second step, and the detection can be performed after an operator is far away and the air flow is stable;
step four: when the detection is carried out, firstly, the slow-blowing fan blades are required to be started, air in the L-shaped bent pipe and the square collecting box flows at a constant speed through the slow-blowing fan blades, firstly, the air can flow through the winding type filtering film and is impacted on the self-adaptive lifting base and the bending type windward plate, the self-adaptive lifting base and the bending type windward plate compress the low-modulus spring under the action of air pressure and slide downwards, the side driving frame can drive the feeding ratchet wheel and the feeding rotating shaft to rotate through the elastic ratchet teeth of the driving frame in the sliding process of the self-adaptive lifting base, and the winding type filtering film can be moved when the feeding rotating shaft rotates, so that a new winding type filtering film appears on the air flow path;
step five: in the following air flowing process, large-particle dust is intercepted and attached above a winding type filtering membrane, after one measuring period is finished, a slow blast fan blade is closed, the self-adaptive feeding driving assembly slowly resets after the air pressure is lost, and in the resetting process, due to the rotation resistance existing between a feeding rotating shaft and a damping hinge hole on the side surface of a collecting box, an elastic ratchet of a driving frame is insufficient to push a feeding ratchet wheel to rotate;
Step six: in the balanced state, the suspended coiled filtering membrane and dust attached to the suspended filtering membrane fall on the self-adaptive lifting base, and at the moment, the weight of the adsorbed particulate matters in the period can be known by comparing the change of the pressure indication of the pressure sensor and the reference indication (the weight indication when the particulate matters are not attached to the coiled filtering membrane), so that the particulate matter index in the atmospheric pollution of the measuring position can be judged;
step seven: after the measurement value is obtained, the slow blowing fan blade is started again, the measurement of the next period is started, and the average index of the particulate matters in the atmospheric pollution of the measurement position can be obtained by analyzing the measurement results of a plurality of periods.
The beneficial effects obtained by the invention by adopting the structure are as follows:
(1) The unidirectional self-adaptive feeding type continuous monitoring mechanism can make corresponding amplitude descent when sensing micro air flow, on one hand, the unidirectional feeding assembly can be driven to rotate for feeding and re-measurement, and on the other hand, the self-adaptive feeding driving assembly can be far away from the unidirectional feeding assembly, so that the interference to the collection of particulate matters caused by the blockage of air flow is avoided;
(2) The annular uniformly distributed planetary measuring bases can be synchronously retracted and extended through the self-reeling synchronous retraction mechanism, so that the distances between adjacent unidirectional self-adaptive feeding type continuous monitoring mechanisms are always kept equal;
(3) The self-winding synchronous retracting mechanism and the planetary measuring base are bases for bearing the unidirectional self-adaptive feeding type continuous monitoring mechanism, six groups of planetary measuring bases are uniformly distributed in an annular mode, and according to the characteristics of an equilateral triangle, the distances between adjacent groups of unidirectional self-adaptive feeding type continuous monitoring mechanisms can be always kept equal;
(4) Due to the existence of the rotation damping and the ratchet mechanism, the unidirectional feeding assembly can only rotate unidirectionally in the normal working process;
(5) The feeding rotating shaft and the side damping hinge holes of the collecting box have rotation resistance, under the action of the rotation resistance, the elastic ratchet of the driving frame can only drive the feeding ratchet wheel to rotate in one direction, and the feeding ratchet wheel is kept motionless when the side driving frame rebounds;
(6) The winding type filtering membrane is distributed with tiny holes, so that micro particles with diameters larger than a certain value can be intercepted;
(7) The bending type windward plate and the self-adaptive lifting base slide downwards together under the pushing of air flow by the elasticity of the customer service low modulus spring, and the windward area and the air blowing capacity of the self-adaptive lifting base can be increased through the bending type windward plate, so that the sensitivity to the air flow is improved; the rotation feeding of the unidirectional feeding assembly can be driven in an unpowered way through the lifting of the side driving frame;
(8) After the self-adaptive lifting base is reset, the weight of the coiled filtering membrane falls on the self-adaptive lifting base, the weight of dust intercepted in the measurement time can be sensed through the pressure change of the pressure sensor, and the self-adaptive feeding driving assembly can be controlled to be slowly reset when no airflow exists through the low modulus spring;
(9) The elastic coil spring can deform when the planetary measurement base is pulled out, and rotates through the elastic force of the elastic coil spring to bring the synchronous winding and unwinding gears when the planetary measurement base is wound;
(10) The synchronous winding and unwinding gears can drive six groups of planetary measurement bases to rotate simultaneously when rotating, so that synchronous scaling among the groups of planetary measurement bases is maintained;
(11) The detachable ground nail component is of detachable design, can be fixed on soft sandy land through the ground nail body, and can be fixed in position on the flat bottom through the hollow base with the flat bottom.
Drawings
FIG. 1 is a perspective view of a portable multi-environment atmospheric pollution detector according to the present invention;
FIG. 2 is a front view of a portable multi-environment environmental pollution detector according to the present invention;
FIG. 3 is a top view of a portable multi-environment environmental pollution detector according to the present invention;
FIG. 4 is a left side view of a portable multi-environment environmental pollution detector according to the present invention;
FIG. 5 is a cross-sectional view taken along section line A-A of FIG. 2;
FIG. 6 is a cross-sectional view taken along section line B-B in FIG. 3;
FIG. 7 is a schematic diagram of a unidirectional adaptive feed type continuous monitoring mechanism of a portable multi-environment atmospheric pollution detector according to the present invention;
fig. 8 is a schematic structural diagram of a self-winding synchronous winding and unwinding mechanism of the portable multi-environment atmospheric pollution detector provided by the invention;
fig. 9 is a schematic structural diagram of a planetary measurement base of the portable multi-environment atmospheric pollution detector according to the present invention;
fig. 10 is a schematic structural diagram of a mounting and fixing mechanism of a portable multi-environment environmental pollution detector according to the present invention;
FIG. 11 is an enlarged view of a portion of the portion I of FIG. 5;
FIG. 12 is an enlarged view of a portion of the portion II of FIG. 6;
FIG. 13 is an enlarged view of a portion of III of FIG. 5;
FIG. 14 is an enlarged view of a portion of the portion IV of FIG. 3;
fig. 15 is a schematic view of an adjustment trajectory of a planetary measurement base.
Wherein, 1, a unidirectional self-adaptive feeding type continuous monitoring mechanism, 2, a self-rolling synchronous retraction mechanism, 3, a planetary measuring base, 4, a mounting and fixing mechanism, 5, a unidirectional feeding assembly, 6, a self-adaptive feeding driving assembly, 7, a weight sensing assembly, 8, a square collecting box, 9, a feeding rotating shaft, 10, a feeding ratchet wheel, 11, a winding type filtering membrane, 12, a self-adaptive lifting base, 13, a side driving frame, 14, a bending type windward plate, 15, a pressure sensor, 16, a low modulus spring, 17, a spring base, 18, a collecting box bottom round hole, 19, a collecting box side damping hinge hole, 20, a base slope top, 21, a driving frame longitudinal rod, 22, a driving frame elastic ratchet, 23 and a base ventilation hole, 24, a central frame, 25, an elastic coil spring, 26, a synchronous winding and unwinding gear, 27, a frame central circular ring, 28, a frame central circular hole, 29, a frame hinge hole, 30, a frame connecting column, 31, a driven winding and unwinding assembly, 32, a planetary frame assembly, 33, an eccentric wheel rotating shaft, 34, an eccentric gear body, 35, an eccentric roller, 36, a planetary frame, 37, a cable connecting terminal, 38, a winding type synchronous cable, 39, a frame central hole, 40, a hollowed base, 41, a blast assembly, 42, a detachable nail assembly, 43, a base central circular hole, 44, a base mounting disc, 45, a base connecting column, 46, an L-shaped bent pipe, 47, a slow blast fan blade, 48, a ground nail mounting disc, 49 and a ground nail body.
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.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; 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.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
As shown in fig. 1-14, the portable multi-environment atmospheric environmental pollution detector provided by the invention comprises a unidirectional self-adaptive feeding type continuous monitoring mechanism 1, a self-rolling synchronous collecting and releasing mechanism 2, a planetary measurement base 3 and an installation fixing mechanism 4, wherein the unidirectional self-adaptive feeding type continuous monitoring mechanism 1 is annularly and uniformly arranged on the planetary measurement base 3, the unidirectional self-adaptive feeding type continuous monitoring mechanism 1 can make corresponding amplitude descent when sensing micro air flow, on one hand, the unidirectional feeding assembly 5 can be driven to rotate for feeding and re-measuring, on the other hand, the self-adaptive feeding driving assembly 6 is far away from the unidirectional feeding assembly 5, the interference on collected particles caused by blocking airflow is avoided, the unidirectional self-adaptive feeding type continuous monitoring mechanism 1 is also arranged on the self-rolling synchronous collecting and releasing mechanism 2, the groups of planetary measurement bases 3 which are annularly and uniformly distributed can be synchronously collected and released through the self-rolling synchronous collecting and releasing mechanism 2, the distances between adjacent groups of the unidirectional self-adaptive feeding type continuous monitoring mechanism 1 are always kept equal, the planetary measurement bases 3 are positioned at the periphery of the self-adaptive self-feeding type synchronous collecting and releasing mechanism 2, the planetary measurement bases 3 are always arranged on the basis of the equal self-adaptive synchronous collecting and releasing mechanism 2, and the self-adaptive feeding type continuous monitoring mechanism 2 is uniformly arranged on the basis of the self-adaptive collecting and the self-adaptive synchronous collecting and releasing mechanism 2, and the planetary measurement base 3 is constantly provided with the same constant-adaptive collecting and self-adaptive feeding type continuous monitoring mechanism 1.
The self-rolling synchronous winding and unwinding mechanism 2 comprises a central frame 24, an elastic coil spring 25 and a synchronous winding and unwinding gear 26, wherein a frame central circular ring 27 and a frame central circular hole 28 are arranged at the central position of the central frame 24, one group of square collecting boxes 8 is fixedly connected in the central frame 24, frame hinge holes 29 and frame connecting columns 30 are uniformly distributed at the edge position of the central frame 24 in a ring shape, one end of the elastic coil spring 25 is fixedly connected on the frame central circular ring 27, the other end of the elastic coil spring 25 is fixedly connected on the synchronous winding and unwinding gear 26, the elastic coil spring 25 can deform when the planetary measuring base 3 is pulled out, the synchronous winding and unwinding gear 26 rotates through the self elastic force, the synchronous winding and unwinding gear 26 is rotationally arranged in the central frame 24, the synchronous winding and unwinding gear 26 and the central frame 24 are always coaxially arranged, and the synchronous winding and unwinding gear 26 can simultaneously rotate with six groups of planetary measuring bases 3 when rotating, so that synchronous scaling between the groups of planetary measuring bases 3 is maintained.
The planetary measuring base 3 comprises a driven collecting and releasing assembly 31 and a planetary frame assembly 32, the driven collecting and releasing assembly 31 is rotationally arranged in a frame hinge hole 29, a plurality of groups of planetary frame assemblies 32 are uniformly distributed in a ring shape, the driven collecting and releasing assembly 31 comprises an eccentric wheel rotating shaft 33, an eccentric gear body 34 and an eccentric roller 35, the eccentric wheel rotating shaft 33 is rotationally arranged in the frame hinge hole 29, the eccentric gear body 34 is clamped on the eccentric wheel rotating shaft 33, the eccentric gear body 34 is in meshed connection with the synchronous collecting and releasing gear 26, and the driven collecting and releasing assembly 31 is provided with the eccentric roller 35.
The planetary frame assembly 32 comprises a planetary frame 36, a cable connecting terminal 37 and a winding synchronous cable 38, wherein a frame center hole 39 is formed in the center of the planetary frame 36, the rest groups of square collecting boxes 8 are fixedly connected to the planetary frame 36, the cable connecting terminal 37 is arranged at one end of the planetary frame 36, the winding synchronous cable 38 is wound on the eccentric roller 35, and the free end of the winding synchronous cable 38 is fixedly connected to the cable connecting terminal 37.
The unidirectional self-adaptive feeding type continuous monitoring mechanism 1 comprises a unidirectional feeding assembly 5, a self-adaptive feeding driving assembly 6 and a weight sensing assembly 7, wherein the unidirectional feeding assembly 5 is arranged on the self-winding synchronous retracting mechanism 2 and the planetary measuring base 3, the unidirectional feeding assembly 5 can only rotate unidirectionally in the normal working process due to the existence of a rotary damping and ratchet mechanism, the self-adaptive feeding driving assembly 6 is clamped and slidingly arranged in the unidirectional feeding assembly 5, the weight sensing assembly 7 is arranged in the installation fixing mechanism 4, and the weight sensing assembly 7 is arranged at the bottom of the self-adaptive feeding driving assembly 6.
The unidirectional feed assembly 5 comprises a square collecting box 8, a feed rotating shaft 9, a feed ratchet 10 and a winding type filter membrane 11, one group of the square collecting box 8 is arranged on the self-winding synchronous collecting and releasing mechanism 2, the other groups of the square collecting box 8 are arranged on the planetary measuring base 3, a collecting box bottom round hole 18 is formed in the bottom of the square collecting box 8, a collecting box side damping hinge hole 19 is symmetrically formed in the side face of the square collecting box 8, the feed rotating shaft 9 is rotationally arranged in the collecting box side damping hinge hole 19, rotational resistance exists in the feed rotating shaft 9 and the collecting box side damping hinge hole 19, under the action of the resistance, the drive rack elastic ratchet 22 can only unidirectionally drive the feed ratchet 10 to rotate, the feed ratchet 10 is kept motionless when the side drive rack 13 rebounds, the feed ratchet 10 is clamped at two ends of the feed rotating shaft 9, the winding type filter membrane 11 is wound on the feed rotating shaft 9, and tiny holes are distributed on the winding type filter membrane 11, and micro particles with diameters larger than a certain value can be intercepted.
The self-adaptive feeding driving assembly 6 comprises a self-adaptive lifting base 12, a side driving frame 13 and a bending windward plate 14, wherein the side driving frame 13 is symmetrically arranged on two sides of the self-adaptive lifting base 12, a base slope top 20 is symmetrically arranged on the self-adaptive lifting base 12, a driving frame longitudinal rod 21 is arranged on the side driving frame 13, driving frame elastic ratchets 22 matched with the feeding ratchet 10 are arranged on the driving frame longitudinal rod 21 in an array manner, the side driving frame 13 can rotate with the feeding ratchet 10 in the downward movement process, the side driving frame 13 cannot drive the feeding ratchet 10 to rotate in the upward movement process, the bending windward plate 14 is symmetrically arranged on the edge of the base slope top 20, the bending windward plate 14 and the self-adaptive lifting base 12 slide downwards together under the pushing of air flow by the elasticity of a customer service low modulus spring 16, and the windward plate 14 can increase the windward area and the windward capacity of the self-adaptive lifting base 12, so that the sensitivity to air flow is improved; the rotation feed of the unidirectional feed assembly 5 can be driven unpowered by the elevation and depression of the side drive frame 13.
The weight sensing assembly 7 comprises a pressure sensor 15, a low modulus spring 16 and a spring base 17, wherein the pressure sensor 15 is fixedly connected to the bottom of the self-adaptive lifting base 12, the low modulus spring 16 is arranged between the pressure sensor 15 and the spring base 17, after the self-adaptive lifting base 12 is reset, the weight of the coiled filtering membrane 11 falls on the self-adaptive lifting base 12, the weight of dust intercepted in the measuring time can be sensed through the pressure change of the pressure sensor 15, the self-adaptive feeding driving assembly 6 can be controlled to slowly reset when no airflow exists through the low modulus spring 16, base ventilation holes 23 are uniformly distributed on the spring base 17 in a ring shape, and the spring base 17 is fixedly connected in the installation fixing mechanism 4.
The installation fixing mechanism 4 comprises a hollowed-out base 40, an air blast assembly 41 and a detachable nail assembly 42, one group of the hollowed-out base 40 is fixedly connected to the bottom of the center frame 24, the other groups of the hollowed-out base 40 are fixedly connected to the bottom of the planetary frame 36, the air blast assembly 41 is fixedly connected to the bottom of the square collecting box 8, and the detachable nail assembly 42 can be detachably arranged at the bottom of the hollowed-out base 40.
The hollow base 40 is provided with a base center round hole 43, the hollow base 40 is symmetrically provided with base mounting discs 44, base connecting columns 45 are uniformly distributed between the base mounting discs 44 in an annular mode, the detachable ground nail assembly 42 comprises a ground nail mounting disc 48 and a ground nail body 49, the ground nail mounting disc 48 is detachably arranged at the bottom of the base center round hole 43, the ground nail body 49 is fixedly connected to the bottom of the ground nail mounting disc 48, the detachable ground nail assembly 42 is detachably designed, the ground nail assembly can be fixed on a soft sand land through the ground nail body 49, and the hollow base 40 with a flat bottom can be fixed in position.
The blast assembly 41 comprises an L-shaped bent pipe 46 and a slow blast fan blade 47, the L-shaped bent pipe 46 is fixedly connected to the bottom of the square collecting box 8, the L-shaped bent pipe 46 and a round hole 18 at the bottom of the collecting box are coaxially arranged and have corresponding sizes, the spring base 17 is fixedly connected in the L-shaped bent pipe 46, and the slow blast fan blade 47 is clamped in the L-shaped bent pipe 46.
As shown in fig. 15, the point a is the position of the self-winding synchronous winding and unwinding mechanism 2, the points B1 to B6 are the positions of the planetary measuring base 3, the solid line between AB represents the winding synchronous cable 38, the broken line represents the adjusting track of B, and the connecting lines of the point a and any two groups of adjacent B are equilateral triangles, so that the distances from all the points B to the point a are equal, and the distances between all the points B are always equal in the process of adjusting the point B, thereby achieving the purpose of uniformly distributing the measuring points.
When the automatic rolling synchronous folding and unfolding mechanism is specifically used, firstly, a user needs to install and fix the automatic rolling synchronous folding and unfolding mechanism 2 at a position to be detected through the installation and fixing mechanism 4, if the position to be detected is a soft sandy land, the automatic rolling synchronous folding and unfolding mechanism 2 is fixed in position through the ground nail body 49, if the position to be detected is a cement land, the detachable ground nail assembly 42 is detached, the base installation disc 44 is placed on the ground, and a heavy object is covered on the base installation disc 44 for position fixing;
six operators hold the planetary measuring bases 3 respectively and diffuse outwards at the same time, and at the moment, the winding type synchronous cables 38 wound on the eccentric rollers 35 are unfolded and drive the eccentric wheel rotating shafts 33 and the eccentric gear bodies 34 to rotate, and as the six groups of eccentric gear bodies 34 are meshed with the synchronous winding and unwinding gears 26, the rotation of the six groups of eccentric rollers 35 is synchronous, and the distances between the planetary measuring bases 3 of all groups and the self-winding synchronous winding and unwinding mechanism 2 can be kept equal;
After the planetary measurement base 3 is pulled down to a designated position, the position of the planetary measurement base 3 is fixed according to the same steps as the second step, and the detection can be performed after an operator is far away and the air flow is stable;
during detection, firstly, the slow blowing fan blades 47 are required to be started, the air in the L-shaped bent pipe 46 and the square collecting box 8 flows at a constant speed through the slow blowing fan blades 47, firstly, the air flows through the coiled filtering membrane 11 and is impacted on the self-adaptive lifting base 12 and the bent windward plate 14, the self-adaptive lifting base 12 and the bent windward plate 14 compress the low-modulus spring 16 under the action of air pressure and slide downwards, the side driving frame 13 can drive the feeding ratchet wheel 10 and the feeding rotating shaft 9 to rotate through the driving frame elastic ratchet 22 in the process of sliding the self-adaptive lifting base 12, and the coiled filtering membrane 11 moves when the feeding rotating shaft 9 rotates, so that the novel coiled filtering membrane 11 appears on the air flow path;
in the following air flowing process, large-particle dust is intercepted and attached above the winding type filtering membrane 11, after one measuring period is finished, the slow blowing fan blade 47 is closed, the self-adaptive feeding driving assembly 6 slowly resets after the air pressure is lost, and in the resetting process, due to the rotation resistance between the feeding rotating shaft 9 and the damping hinge hole 19 on the side surface of the collecting box, the elastic ratchet 22 of the driving frame is insufficient to push the feeding ratchet 10 to rotate;
In the balanced state, the suspended coiled filtering membrane 11 and dust attached to the suspended filtering membrane fall on the self-adaptive lifting base 12, and at the moment, the weight of the adsorbed particles in the time can be known by comparing the change of the pressure indication of the pressure sensor 15 and the reference indication (the weight indication when no particles are attached to the coiled filtering membrane 11), so as to judge the particle index in the air pollution of the measuring position;
after the measurement value is obtained, the slow-blowing fan blade 47 is started again, and measurement in the next cycle is started, and the measurement results in a plurality of cycles are analyzed, so that an average index of particulate matters in the atmospheric pollution at the measurement position can be obtained.
The whole working flow of the invention is just the above, and the step is repeated when the invention is used next time.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.
Claims (8)
1. The utility model provides a portable multiple environment atmospheric environment pollution detector which characterized in that: the automatic winding and unwinding device comprises a unidirectional self-adaptive feeding type continuous monitoring mechanism (1), a self-winding and unwinding mechanism (2), a planetary measuring base (3) and an installation fixing mechanism (4), wherein the unidirectional self-adaptive feeding type continuous monitoring mechanism (1) is annularly and uniformly arranged on the planetary measuring base (3), the unidirectional self-adaptive feeding type continuous monitoring mechanism (1) is further arranged on the self-winding and unwinding mechanism (2), the planetary measuring base (3) is positioned around the self-winding and unwinding mechanism (2), and the installation fixing mechanism (4) is arranged at the bottoms of the self-winding and unwinding mechanism (2) and the planetary measuring base (3); the unidirectional self-adaptive feeding type continuous monitoring mechanism (1) comprises a unidirectional feeding assembly (5), a self-adaptive feeding driving assembly (6) and a weight sensing assembly (7), wherein the unidirectional feeding assembly (5) is arranged on the self-winding synchronous retracting mechanism (2) and the planetary measuring base (3), the self-adaptive feeding driving assembly (6) is clamped and slidingly arranged in the unidirectional feeding assembly (5), the weight sensing assembly (7) is arranged in the mounting and fixing mechanism (4), and the weight sensing assembly (7) is arranged at the bottom of the self-adaptive feeding driving assembly (6);
The unidirectional feeding assembly (5) comprises a square collecting box (8) and a feeding ratchet wheel (10), one group of the square collecting boxes (8) is arranged on the self-rolling synchronous collecting and releasing mechanism (2), and the other groups of the square collecting boxes (8) are arranged on the planetary measuring base (3);
the self-adaptive feeding driving assembly (6) comprises a self-adaptive lifting base (12), a side driving frame (13) and a bending type windward plate (14), wherein the side driving frame (13) is symmetrically arranged on two sides of the self-adaptive lifting base (12), a base slope top (20) is symmetrically arranged on the self-adaptive lifting base (12), a driving frame longitudinal rod (21) is arranged on the side driving frame (13), driving frame elastic ratchets (22) matched with the feeding ratchet (10) are arranged on the driving frame longitudinal rod (21) in an array manner, the side driving frame (13) can rotate with the feeding ratchet (10) in the downward movement process, the side driving frame (13) cannot drive the feeding ratchet (10) to rotate in the upward movement process, and the bending type windward plate (14) is symmetrically arranged on the edge of the base slope top (20);
the automatic rolling synchronous winding and unwinding mechanism (2) comprises a central frame (24), an elastic coil spring (25) and a synchronous winding and unwinding gear (26), wherein a frame central circular ring (27) and a frame central circular hole (28) are arranged at the central position of the central frame (24), one group of square collecting boxes (8) is fixedly connected in the central frame (24), frame hinge holes (29) and frame connecting columns (30) are annularly and uniformly distributed at the edge position of the central frame (24), one end of the elastic coil spring (25) is fixedly connected on the frame central circular ring (27), the other end of the elastic coil spring (25) is fixedly connected on the synchronous winding and unwinding gear (26), the synchronous winding and unwinding gear (26) is rotationally arranged in the central frame (24), and the synchronous winding and unwinding gear (26) and the central frame (24) are always coaxially arranged.
2. The portable multi-environment atmospheric pollution detector according to claim 1, wherein: the unidirectional feeding assembly (5) further comprises a feeding rotating shaft (9) and a winding type filtering membrane (11), a collecting box bottom round hole (18) is formed in the bottom of the square collecting box (8), collecting box side damping hinge holes (19) are formed in the side faces of the square collecting box (8) symmetrically, the feeding rotating shaft (9) is rotationally arranged in the collecting box side damping hinge holes (19), the feeding ratchet wheels (10) are clamped at two ends of the feeding rotating shaft (9), and the winding type filtering membrane (11) is wound on the feeding rotating shaft (9).
3. The portable multi-environment atmospheric pollution detector according to claim 2, wherein: the weight sensing assembly (7) comprises a pressure sensor (15), a low-modulus spring (16) and a spring base (17), wherein the pressure sensor (15) is fixedly connected to the bottom of the self-adaptive lifting base (12), the low-modulus spring (16) is arranged between the pressure sensor (15) and the spring base (17), base ventilation holes (23) are annularly and uniformly distributed in the spring base (17), and the spring base (17) is fixedly connected to the mounting and fixing mechanism (4).
4. A portable multi-environmental atmospheric pollution tester according to claim 3 and wherein: the planetary measuring base (3) comprises a driven collecting and releasing assembly (31) and a planetary frame assembly (32), the driven collecting and releasing assembly (31) is rotationally arranged in a frame hinge hole (29), a plurality of groups of planetary frame assemblies (32) are annularly and uniformly distributed, the driven collecting and releasing assembly (31) comprises an eccentric wheel rotating shaft (33), an eccentric gear body (34) and an eccentric roller (35), the eccentric wheel rotating shaft (33) is rotationally arranged in the frame hinge hole (29), the eccentric gear body (34) is clamped on the eccentric wheel rotating shaft (33), the eccentric gear body (34) is in meshed connection with a synchronous collecting and releasing gear (26), and the driven collecting and releasing assembly (31) is provided with the eccentric roller (35).
5. The portable multi-environment atmospheric pollution detector according to claim 4, wherein: the planetary frame assembly (32) comprises a planetary frame (36), a cable connecting terminal (37) and a winding synchronous cable (38), wherein a frame center hole (39) is formed in the center position of the planetary frame (36), the rest groups of square collecting boxes (8) are fixedly connected to the planetary frame (36), the cable connecting terminal (37) is arranged at one end of the planetary frame (36), the winding synchronous cable (38) is wound on an eccentric roller (35), and the free end of the winding synchronous cable (38) is fixedly connected to the cable connecting terminal (37).
6. The portable multi-environment atmospheric pollution detector according to claim 5, wherein: the mounting and fixing mechanism (4) comprises a hollowed-out base (40), an air blowing component (41) and a detachable nail component (42), wherein one group of the hollowed-out base (40) is fixedly connected to the bottom of the center frame (24), the other groups of the hollowed-out base (40) are fixedly connected to the bottom of the planetary frame (36), the air blowing component (41) is fixedly connected to the bottom of the square collecting box (8), and the detachable nail component (42) is detachably arranged at the bottom of the hollowed-out base (40); be equipped with base center round hole (43) on fretwork formula base (40), the symmetry is equipped with base installation disc (44) on fretwork formula base (40), annular equipartition is equipped with base spliced pole (45) between base installation disc (44), detachably nail subassembly (42) are including ground nail mounting disc (48) and ground nail body (49), the bottom of locating base center round hole (43) can be dismantled to ground nail mounting disc (48), ground nail body (49) rigid coupling is in the bottom of ground nail mounting disc (48).
7. The portable multi-environment atmospheric pollution detector according to claim 6, wherein: the air blast assembly (41) comprises an L-shaped bent pipe (46) and a slow air blast fan blade (47), the L-shaped bent pipe (46) is fixedly connected to the bottom of the square collecting box (8), round holes (18) at the bottoms of the L-shaped bent pipe (46) and the collecting box are coaxially arranged and are corresponding in size, the spring base (17) is fixedly connected to the L-shaped bent pipe (46), and the slow air blast fan blade (47) is clamped in the L-shaped bent pipe (46).
8. A method of using the portable multi-environmental atmospheric pollution sensor of claim 7, comprising the steps of:
step one: firstly, the self-rolling synchronous retracting mechanism (2) is fixedly installed at a position to be measured through an installation fixing mechanism (4), if the position to be measured is a soft sandy land, the self-rolling synchronous retracting mechanism (2) is fixedly installed through a ground nail body (49), if the position to be measured is a cement land, a base installation disc (44) is placed on the ground after a detachable ground nail assembly (42) is detached, and a weight is covered on the base installation disc (44) for position fixing;
step two: six operators hold the planetary measuring bases (3) to diffuse outwards at the same time, and a winding type synchronous cable (38) wound on the eccentric roller (35) is unfolded at the same time to drive the eccentric wheel rotating shaft (33) and the eccentric gear body (34) to rotate, and as the six groups of eccentric gear bodies (34) are meshed with the synchronous winding and unwinding gears (26), the rotation of the six groups of eccentric rollers (35) is synchronous, and the distance between each group of planetary measuring bases (3) and the self-winding synchronous winding and unwinding mechanism (2) can be kept equal;
Step three: after the planetary measurement base (3) is pulled down to a designated position, the position of the planetary measurement base (3) is fixed according to the same steps as the second step, and the detection can be performed after an operator is far away and the air flow is stable;
step four: during detection, firstly, a slow-blowing fan blade (47) is required to be started, air in an L-shaped bent pipe (46) and a square collecting box (8) flows at a constant speed through the slow-blowing fan blade (47), firstly, the air flows through a winding type filtering membrane (11) and impacts on a self-adaptive lifting base (12) and a bending type windward plate (14), the self-adaptive lifting base (12) and the bending type windward plate (14) compress a low-modulus spring (16) under the action of air pressure and slide downwards, a side driving frame (13) can drive a feeding ratchet wheel (10) and a feeding rotating shaft (9) to rotate through a driving frame elastic ratchet (22) in the sliding process of the self-adaptive lifting base (12), and the feeding rotating shaft (9) can move with the winding type filtering membrane (11) when rotating, so that a new winding type filtering membrane (11) appears on the air flow path;
step five: in the following air flowing process, large-particle dust is intercepted and attached above the winding type filtering membrane (11), after one measuring period is finished, the slow blowing fan blade (47) is closed, the self-adaptive feeding driving assembly (6) slowly resets after the air pressure is lost, and in the resetting process, due to the rotation resistance between the feeding rotating shaft (9) and the damping hinge hole (19) on the side surface of the collecting box, the elastic ratchet teeth (22) of the driving frame are insufficient to push the feeding ratchet wheel (10) to rotate;
Step six: in the balanced state, the suspended coiled filtering membrane (11) and dust attached to the suspended filtering membrane fall on the self-adaptive lifting base (12), and at the moment, the weight of the adsorbed particles in the period of time can be known by comparing the change of the pressure indication of the pressure sensor (15) and the reference indication (the weight indication when no particles are attached to the coiled filtering membrane (11)), so as to judge the particle index in the atmospheric pollution of the measuring position;
step seven: after the measurement value is obtained, the slow-blowing fan blade (47) is started again, and the measurement of the next period is started, and the average index of the particulate matters in the atmospheric pollution of the measurement position can be obtained by analyzing the measurement results of a plurality of periods.
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