CN107290489B - Air monitor - Google Patents

Abstract

The invention discloses an air monitor, which comprises a module assembly, a fixed base arranged at the bottom of the module assembly and used for supporting the module assembly, a protective cover which is covered outside the module assembly and is detachably and fixedly connected with the fixed base, and a mounting assembly which is locked by a connecting piece after being spliced with the protective cover and used for fixing the protective cover on a cylindrical bearing object or a plane bearing object. The invention can be used for indoor and outdoor air monitoring, is suitable for various meteorological conditions, and can be widely distributed.

Description

Air monitor

Technical Field

The invention relates to gas monitoring equipment, in particular to an air monitor.

Background

It is known that the atmospheric pollution is complicated and has fluidity, and the treatment process needs longer-term planning and higher-end technology to assist, and naturally if accurate monitoring data is taken as a basis, the atmospheric pollution treatment device is a powerful support.

At present, air monitoring is generally finished by adopting an air monitor, but the existing air monitor can only be used for indoor air monitoring due to the limited structure of the air monitor, and can be installed outdoors, but is difficult to adapt to complex meteorological conditions, and is difficult to widely distribute the air.

Disclosure of Invention

The invention aims to provide an air monitor which has the advantages of being capable of being used for outdoor and outdoor air monitoring, being suitable for various meteorological conditions and being capable of being widely distributed.

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

the utility model provides an air monitor, includes module assembly, sets up in module assembly bottom in order to be used for supporting module assembly's unable adjustment base, cover locate module assembly outside and with unable adjustment base can dismantle fixed connection's safety cover and with the safety cover is pegged graft the back through the connecting piece locking in order to be used for with the safety cover is fixed the installation component on cylindricality bearing or plane bearing.

Through adopting above-mentioned technical scheme, module assembly adopts the modularization structure to form, and it can be alone as the monitoring that air monitor was used for indoor air, when needs are air monitoring outside, need install the safety cover additional at module assembly outside, can adapt to multiple meteorological condition, the installation component that adopts is tender can install safety cover and module assembly conveniently, can install the instrument on cylindricality bearing such as big tree, wire pole through the installation component, also can install the instrument on plane bearing such as plane wall body, can adapt to different environment, is applicable to extensive distribution network, is favorable to collecting a large amount of air monitoring data.

Preferably, the module assembly comprises a power supply module, a communication module and at least one gas monitoring module positioned between the power supply module and the communication module, wherein the power supply module, the gas monitoring module and the communication module are electrically connected in sequence, and the power supply module, the communication module and the at least one gas monitoring module are connected through the same connecting structure.

Through adopting above-mentioned technical scheme, module assembly adopts the modularization structure, and the connection structure of every part is the same, and the user can freely dispose the module according to different monitoring needs, and the operation is comparatively convenient.

Preferably, the mounting assembly comprises a mounting seat and a strip-shaped fastener wound on the mounting seat, wherein the mounting seat is provided with a connecting main body, a mounting part connected to one end of the connecting main body and used for being in plug-in fit with the protective cover, and a clamping part connected to the other end of the connecting main body and used for clamping a cylindrical or plane bearing object.

Preferably, the protective cover is provided with a plug; the plug is provided with a plane part and an inserting part which is bent downwards at the tail end of the plane part, and the inserting part is in plug-in fit with the mounting part and locks the plug and the mounting part through a connecting piece.

Through adopting above-mentioned technical scheme, peg graft the cooperation through plug and installation department between safety cover and the installation component, then lock through the connecting piece, conveniently install safety cover and instrument like this, improved on-the-spot installation effectiveness.

Preferably, the connecting piece comprises at least one of a self-tapping piece and a bolt piece, when the plug is inserted into the mounting portion, a mounting hole in the mounting portion and a screw hole in the plug are mutually aligned, and the at least one of the self-tapping piece and the bolt piece penetrates into the mounting hole from bottom to top to lock the mounting portion and the plug.

Through adopting above-mentioned technical scheme, can fasten the plug of inserting the holding portion through the self-tapping piece or the bolt piece that set up for safety cover and inside module subassembly can be stable fix on the mount pad.

Preferably, the protection cover comprises a plurality of shielding covers which are provided with through holes in the center and are concentrically arranged, wherein the through holes of the shielding covers positioned at the top end are closed, the shielding covers are mutually inserted and fixed to be stacked together, the shielding covers are locked through locking pieces penetrating along the inserting axis, and the module assembly is contained in a containing cavity formed by the shielding covers.

By adopting the technical scheme, the shielding covers are fixedly stacked together in a plugging manner in sequence, and then the shielding covers are integrally connected in series through the locking piece, so that the whole assembly is convenient and quick; in addition, due to the adoption of the modularized design, the production cost is reduced, and meanwhile, the shield is convenient to maintain and replace in the later period.

Preferably, the shielding cover comprises a flat plate and a side plate which is formed by extending downwards and outwards along the outer edge of the flat plate, and each shielding cover is stacked to form a 'shutter pile'.

Through adopting above-mentioned technical scheme, each keeps off cover and forms "tripe heap" form, and when the rainwater weather, the curb plate that the rainwater can exist the slope between each layer flows down, in time can not enter into inside the safety cover in strong wind, heavy rain weather yet, the inside monitoring instrument of effectual having protected, the circulation of air can be guaranteed to the interval that forms between each curb plate simultaneously for the inside monitoring facilities of safety cover can normally work.

Preferably, the top surface of the flat plate is provided with at least two positioning sleeves along the circumferential direction, the bottom surface of the flat plate is provided with positioning columns corresponding to the positioning sleeves, the centers of the positioning columns are provided with serial holes penetrating through the positioning columns and the flat plate, the flat plate is in plug-in fit with the positioning columns through the positioning sleeves, and the locking piece is inserted into the serial holes to lock each flat plate.

Through adopting above-mentioned technical scheme, during the safety cover is installed, at first with the fender cover of top place upside down, then pass through the spliced cooperation of reference column and position sleeve between the adjacent fender cover in proper order and accomplish preliminary location installation, utilize the retaining member to carry out whole series connection locking to each fender cover at last, such design for whole assembly is simple, swift.

In summary, the invention has the following beneficial effects:

1. the module assembly can monitor the indoor air, each module is independent in a modularized mode, a user can configure the module according to the actual monitoring requirement, meanwhile, the modularized connecting structure enables the product to be miniaturized, and the detachable connecting mode facilitates the installation and maintenance of each module;

2. the protective cover is additionally arranged outside the module assembly, so that the module assembly can be arranged outdoors, can work under various meteorological conditions, and is suitable for outdoor wide network distribution;

3. the plug on the protective housing is in plug connection with the mounting seat, the product assembly is more convenient, in addition, the mounting seat is matched with the strip-shaped connecting piece, the product can be fixed on cylindrical bearing objects such as outdoor telegraph poles, big trees and the like, and also can be fixed on plane bearing objects such as walls and the like, and the design can be suitable for most occasions and is suitable for wide network distribution.

Drawings

FIG. 1 is a schematic overall structure of an embodiment;

FIG. 2 is a cross-sectional view of an embodiment;

FIG. 3 is an exploded view of a module assembly in an embodiment;

FIG. 4 is an exploded schematic view of a gas monitoring module projecting cap structure in an embodiment;

FIG. 5 is an exploded schematic view of the gas monitoring module protruding from the bottom cover structure in an embodiment;

FIG. 6 is a schematic diagram of the mating structure of the fixing base, the connecting card base and the bottom cover in the embodiment;

FIG. 7 is an exploded view of the base, connector cartridge, and bottom cover of the embodiment;

FIG. 8 is an exploded view of a docking card bar with a stationary base, a connector card holder, and a bottom cover protruding over the connector card holder in an embodiment;

FIG. 9 is an exploded schematic view of a protective shield in an embodiment;

FIG. 10 is an exploded view of a protruding locator post in an embodiment;

FIG. 11 is a schematic view of the overall structure of the mounting assembly in the embodiment;

FIG. 12 is a schematic view of a mounting assembly tab mounting structure in an embodiment;

fig. 13 is a schematic view showing the structure of the installation assembly protruding from the water leakage hole in the embodiment;

FIG. 14 is a schematic view of the cooperation of the stationary base and the mounting assembly in an embodiment;

fig. 15 is a schematic structural view of a protruding clamping portion of a mounting assembly in an embodiment.

In the figure, 1, a fixed base; 11. side baffles; 111. a centering groove; 12. an upper cover; 13. a lower cover; 121. a rotating groove; 122. a butt joint groove; 123. an abutting portion; 1231. a rotary clamping groove; 14. the connecting clamping seat; 141. a support part; 142. a clamping block; 143. a second mounting hole; 144. a retainer ring; 145. butting the clamping strips; 1451. butt joint bulges; 15. a functional chamber;

2. a module assembly; 20. a power supply module; 21. a gas monitoring module; 22. a communication module; 211. a housing; 2111. a first long sleeve; 2112. a first short sleeve; 2113. a mounting flange; 2114. a first mounting hole; 2115. a positioning groove; 2116. a vent hole; 212. a top cover; 2121. positioning the bulge; 2122. an arc-shaped notch; 213. a first circuit board; 214. a bottom cover; 215. a mounting boss; 2151. a plug-in through port; 2152. a second circuit board; 2153. a power supply plug-in; 2154. a sensor; 216. a mounting groove; 2161. a plug-in through port; 2162. a power contact; 217. arc-shaped clamping strips; 218. an arc-shaped clamping groove; 2171. the clamping bulge; 2181. a clamping groove; 219. fool-proof column; 220. a fool-proof groove;

3. a protective cover; 30. a shield; 31. a top cover; 32. a middle cover; 33. a bottom cover; 331. a bayonet; 311. a flat plate; 3111. positioning columns; 3112. a positioning sleeve; 3113. reinforcing ribs; 3114. a series connection hole; 312. a side plate; 313. a through hole; 314. a housing chamber; 315. a bolt rod; 316. a fixing nut; 34. a plug; 341. a planar portion; 342. an insertion section; 3421. an insertion groove; 3422. an auxiliary insertion groove; 343. a screw hole;

4. a mounting assembly; 40. a mounting base; 41. a connecting body; 411. penetrating the channel; 42. a mounting part; 421. a mounting part body; 422. a receiving groove; 4221. an insertion plate; 4222. an auxiliary insertion plate; 4223. a water leakage hole; 4224. a limiting plate; 4225. an arc-shaped attaching part; 4226. a bump; 423. an accommodating portion; 424. a mounting hole; 425. a connecting piece; 43. A clamping part; 431. a clamping plate; 4311. clamping teeth; 4312. an opening; 432. a clamping opening; 433. a fixing part; 4331. a fixing hole; 44. a tape fastener; 45. penetrating the passageway.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals. It should be noted that, as used in the following description, the terms "front", "rear", "left", "right", "up" and "down" refer to directions in the drawings, and the terms "bottom" and "top", "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively, where "planar carrier" may refer to a planar wall or other surface that is horizontal; "cylindrical carrier" may refer to a cylindrical pole, tree, or other cylindrical object.

Examples: as shown in fig. 1 and 2, the device comprises a fixed base 1, a module assembly 2 rotationally clamped and fixed on the fixed base 1, a protective cover 3 covered outside the module assembly 2 and rotationally clamped with the fixed base 1, and a mounting assembly 4 for arranging the module assembly with the protective cover 3 outdoors.

As shown in fig. 3, the module assembly 2 includes a power supply module 20, a communication module 22, and a gas monitoring module 21 located between the power supply module 20 and the communication module 22, which are sequentially connected from low to high, and the gas monitoring module 21 may be provided with a plurality of gas monitoring modules, and the specific number and types may be freely selected according to user configuration. The gas monitoring module 21 may be a PM2.5 monitoring module, a PM10 monitoring module, a formaldehyde monitoring module, a sulfur dioxide monitoring module, a nitrogen dioxide monitoring module, a carbon monoxide monitoring module, or an ozone monitoring module.

As shown in fig. 4, the gas monitoring modules 21 each include a housing 211 having a cylindrical shape, a first circuit board 213, a second circuit board 2152, a sensor 2154 located between the first circuit board 213 and the second circuit board 2152, and a top cover 212 closing an upper port and a bottom cover 214 closing a lower port of the housing 211, which are disposed inside the housing 211.

Specifically, four first long threaded sleeves 2111 are disposed on the inner wall of the housing 211 at equal intervals along the circumferential direction, mounting flanges 2113 are formed on the inner wall and located above and below the first long threaded sleeves 2111 by extending radially inwards, the first circuit board 213 is circular, and first mounting holes 2114 are formed in the circumferential direction of the first circuit board corresponding to the first long threaded sleeves 2111.

Four first short screw sleeves 2112 are integrally formed on the lower surface of the top cover 212 and the upper surface of the bottom cover 214 along the circumferential direction corresponding to the first long screw sleeves 2111, and the first circuit board 213 extends into the housing from below the housing 211, is lapped on the mounting flange 2113 and is buckled by the bottom cover 214; the top cover 212 is snapped onto the upper port of the housing 211 and the first long swivel 2111 is coaxially disposed with the first short swivel 2112 and locked by a bolt.

In order to facilitate installation, positioning protrusions 2121 are provided on the side walls of the top cover 212 and the bottom cover 214, positioning grooves 2115 are provided on the upper and lower parts of the inner wall of the housing 211, and the top cover 212 and the bottom cover 214 are aligned with the positioning grooves 2115 by the positioning protrusions 2121 to complete buckling.

As shown in fig. 4 and 5, a circular mounting boss 215 is formed by protruding upwards from the center of the top cover 212, an insert through hole 2151 is formed on the upper surface of the mounting boss 215, a second circuit board 2152 is embedded in a groove below the mounting boss 215, two power inserts 2153 are connected to the second circuit board 2152 through wires, the power inserts 2153 protrude upwards from the insert through hole 2151, and the second circuit board 2152 is connected to the sensor 2154 through wires.

The center of the bottom cover 214 protrudes upward from the bottom to form a circular mounting groove 216, the surface of the mounting groove 216 is provided with a plug-in through hole 2161, the lower surface of the first circuit board 213 is provided with two power contacts 2162 matched with the power plug-in 2153 on the adjacent module, the power contacts 2162 protrude downward from the plug-in through hole 2161, and the power contacts 2162 are connected to the sensor 2154 through wires.

Two arc-shaped clamping strips 217 are symmetrically arranged on the side wall of the installation boss 215, clamping protrusions 2171 are arranged at one ends of the two arc-shaped clamping strips 217, the clamping protrusions 2171 on the two arc-shaped clamping strips 217 are arranged in a staggered mode along the rotating direction, an arc-shaped notch 2122 is formed in the top cover 212 and located right below the arc-shaped clamping strips 217, the projection of the arc-shaped clamping strips 217 on the top cover 212 completely falls into the arc-shaped notch 2122, and the top cover 212, the installation boss 215 and the arc-shaped clamping strips 217 form a front installation portion of the module.

Two arc-shaped clamping grooves 218 are symmetrically formed in the side wall of the mounting groove 216, a clamping groove 2181 matched with the clamping protrusion 2171 is formed in one end of the two arc-shaped clamping grooves 218 in the rotating direction, and the bottom cover 214, the mounting groove 216 and the arc-shaped clamping grooves 218 form a reverse side mounting part of the module.

In order to prevent the power plug-in 2153 from being reversely connected with the power contact 2162 when the modules are in butt joint, the fool-proof column 219 is fixedly connected to the top cover 212, the fool-proof groove 220 is formed in the bottom cover 214 of the adjacent module, the fool-proof groove 220 is a section of minor arc, and when the modules are installed, the fool-proof column 219 is inserted into the fool-proof groove 220 of the adjacent module, so that the adjacent module rotates in a fixed direction, the polarity between the power plug-in 2153 and the power contact 2162 is not opposite, and the safety of module installation is improved.

A plurality of ventilation holes 2116 are uniformly distributed on the housing 211 of the gas monitoring module 21 to facilitate air entering the inside of the module.

As shown in fig. 3, 4 and 5, the power supply module 20 has the same structure as the gas monitoring module 21, except that the housing 211 has no vent hole 2116; the bottom cover 214 of the communication module 22 has the same structure as the gas monitoring module 21, and the top cover 212 is in a closed state.

And (3) module installation:

b1: placing the power module 20 horizontally on a horizontal desktop;

b2: the gas monitoring module 21 is held by hand, the fool-proof column 220 on the bottom cover 214 of the gas monitoring module 21 is inserted into the fool-proof hole 219 on the top cover 212 of the power supply module 20, and the gas monitoring module 21 is rotated horizontally along a direction, so that the arc-shaped clamping groove 218 and the arc-shaped clamping strip 217 are matched in a rotating way until the clamping protrusion 2171 on the arc-shaped clamping strip 217 is clamped in the clamping groove 2181 on the arc-shaped clamping groove 218.

B3: the other gas monitoring modules 21 and the communication module 22 are mounted in turn in the same manner as described above.

The module assembly 2 adopts a modularized design, and all modules can be mutually combined, so that different module combinations can be selected according to actual monitoring needs, such as a power supply module, a PM2.5 monitoring module and a communication module; the power supply module, the formaldehyde monitoring module and the communication module or the power supply module, the PM2.5 monitoring module, the formaldehyde monitoring module and the communication module and the like are powered by adopting an independent power supply module, an external working power supply is not needed, and the power supply is powered by a battery, so that the portable formaldehyde monitoring system can be widely used for outdoor network distribution.

As shown in fig. 7 and 8, the fixing base 1 is disc-shaped, and a functional chamber 15 is formed inside the fixing base for adding a new function in the later stage, the fixing base 1 includes a side baffle 11, an upper cover 12 and a lower cover 13 integrally formed with the side baffle 11, wherein the diameter of the lower cover 13 is larger than that of each module, the connecting structure of the center of the upper cover 12 is identical to that of the top cover 212 of each module, and the lower cover 13 of the power supply module 20 is fixedly connected to the fixing base 1 in a rotary clamping manner, which is not described herein.

The top of the upper cover 12 is provided with a rotating groove 121 near the edge along the circumferential direction, the rotating groove 121 is provided with three butting grooves 122 along the circumferential direction and the like, an abutting part 123 is formed in the rotating groove 121 at the position near the butting groove 122 in an outward structure, and the end parts of the abutting part 123 abutting the butting groove 122 are provided with rotating clamping grooves 1231.

As shown in fig. 6 and 7, a connection clamping seat 14 is arranged above the fixed base 1 and is used for connecting the fixed base 1 and the protective cover 3, the connection clamping seat 14 comprises a through hole formed in the center, a supporting portion 141 which is matched with the bottom cover is formed upwards at the edge of the through hole, second mounting holes 143 are uniformly formed in the supporting portion 141 along the circumferential direction, and three (the number is not limited to three) clamping blocks 142 are arranged at the top of the supporting portion 141 along the circumferential direction.

As shown in fig. 7 and 8, a rear annular retainer ring 144 is formed at the bottom of the connection holder 14 along the edge of the through hole, three butt joint strips 145 with the same radian as that of the butt joint groove 122 are provided on the retainer ring 144 along the circumferential direction, butt joint protrusions 1451 are formed at the ends of the butt joint strips 145, when the connection holder 14 is mounted on the upper cover 12, the butt joint strips 145 are inserted into the butt joint groove 122, and then the butt joint strips 145 are screwed into the rotating groove 121 by relative rotation, and the butt joint protrusions 1451 are clamped in the rotating clamping grooves 1231 on the abutting part 123.

A centering groove 111 is formed at the bottom side baffle 11 of the fixed base 1.

As shown in fig. 9 and 10, the protective cover 3 has a plurality of shielding caps 30, the shielding caps 30 are stacked together by being inserted into each other, and the shielding caps 30 are integrally connected in series along the insertion axis by a locking member.

The shield 30 includes a top cover 31, a bottom cover 33, and a plurality of middle covers 32 therebetween.

The top cover 31, the bottom cover 33 and the middle cover 32 all comprise a circular flat plate 311, wherein a circular through hole 313 is formed in the center of the flat plate 311 of the bottom cover 33 and the middle cover 32, and the outer edge of the flat plate 311 extends downwards and outwards to form an annular side plate 312.

The side plates 312 form an acute angle with the flat plate 311 of between 30-60 degrees, or between 10-80 degrees, preferably 60 degrees. Through a great deal of experiments and researches, the included angle between the side plate 312 and the flat plate 311 is 60 degrees, and when the width of the side plate 312 is equal to or slightly larger than the interval between the adjacent flat plates 311, the rainproof effect is optimal, and the influence on the wind speed passing through the inside of the protective cover is minimal.

The lower surfaces of the flat plates 311 of the top cover 31, the middle cover 32 and the bottom cover 33 are provided with at least two cylindrical positioning columns 3111 along the circumferential direction, and the positioning columns 3111 are integrally formed with the top cover 31. Preferably, the positioning columns 3111 are provided with three, which are equally spaced along the circumferential direction of the flat plate 311.

The upper surfaces of the flat plates 311 of the middle cover 32 and the bottom cover 33 are circumferentially provided with positioning sleeves 3112 coaxial with the positioning posts 3111, the diameter of the positioning sleeves 3112 is slightly larger than that of the positioning posts 3111, and the top cover 31 is in butt joint with the positioning sleeves 3112 of the middle cover 32 through the positioning posts 3111 in a plug-in fit manner. The middle cover 32 and the bottom cover 33 are mutually inserted and matched.

In order to enhance the stability of each positioning column 3111, at least one reinforcing rib 3113 is disposed between each positioning column 3111 and the side plate 312, and each reinforcing rib 3113 is trapezoidal to adapt to an included angle formed between each positioning column 3111 and the side plate 31112.

The distance between the bottom end of the reinforcing rib 3113 and the bottom end of the positioning column 3111 is greater than the depth of the positioning sleeve 3112, so that the positioning column 3111 can be completely inserted into the positioning sleeve 3112, and the insertion between the shielding covers 30 is stable.

Referring back to fig. 6 and 7, the inner edge of the flat plate 312 on the bottom cover 33 is provided with bayonets 331 equally along the circumferential direction, the clamping blocks 142 on the connecting clamping seat 14 are fixedly clamped with the bayonets 331, the supporting portion 141 of the connecting clamping seat 14 is attached to the inner wall surface of the bottom cover 33, and the protection cover 3 is rotatably clamped on the fixed base 1 through the connecting clamping seat 14.

As shown in fig. 9 and 10, the top cover 31, the plurality of middle covers 32, and the bottom cover 33 are stacked together to form a "shutter stack" shaped protection cover 3, and a housing chamber 314 capable of housing the module assembly 2 is formed therein. The adoption of the structural design of the 'shutter pile' shape can be suitable for various meteorological conditions and even extreme weather such as typhoon and storm resistance.

The center of each positioning column 3111 is provided with a serial connection hole 3114 penetrating through the positioning column 3111 and the flat plate 311, a connecting piece can be a bolt rod 315, a fixing nut 316 is embedded in the positioning column 3111 on the top cover 31, the fixing nut 316 can be a gear nut, and the bolt rod 315 sequentially penetrates through each serial connection hole 3114 from bottom to top of the bottom cover 33 and is screwed in the gear nut through threads at the end part.

The side wall of the bottom cover 33 is integrally formed with a plug 34, and the plug 34 is matched with a mounting component for mounting the protective cover 3.

The plug 34 has a flat portion 341, the flat portion 341 extends outwards and is bent downwards at the end to form an insertion portion 342, two parallel insertion grooves 3421 are formed in the insertion portion 342, an auxiliary insertion groove 3422 is formed in the inner surface of the insertion portion 342, and a screw hole 343 is formed in the middle of the lower surface of the flat portion 341.

The assembly process comprises the following steps:

the protective cover 3 is assembled as follows:

s1: the top cover 31 is placed on the tabletop upside down;

s2: the middle cover 32 and the bottom cover 33 are turned upside down in sequence, and the top cover 32, the middle cover 32 and the bottom cover 33 are installed by inserting the positioning sleeve 3112 on the positioning column 3111;

s3: the bolt rod 315 is used to penetrate into the serial connection hole 3114 from the bottom surface of the bottom cover 33, so that the threaded portion at the top end of the bolt rod 315 is in threaded locking with the gear nut 316 pre-buried in the positioning column 3111 of the top cover 31, and the whole assembly process of the protective cover 3 is completed.

Through the design of reference column 3111 and locating sleeve 3112, can be when assembling safety cover 3 to each fender cover 30 location, guarantee the axiality of each fender cover 30 and can not take place the skew, concatenate each fender cover 30 wholly through bolt shaft 315 at last, guarantee each fender cover 30 and lock each other.

The whole protective cover 30 adopts a modularized design, and has simple structure and convenient and quick whole assembly and disassembly; the production cost is reduced, and the maintenance and the replacement of accessories of the later-stage protective cover 30 are convenient.

As shown in fig. 11, the mounting assembly 4 includes a mounting block 40 and a strap fastener 44 that mates with the mounting block 40.

The mounting seat 40 is provided with a connecting main body 41, one side of the connecting main body 41 is provided with a mounting part 42 matched with a plug, the other end of the connecting main body 41 is provided with a clamping part 43 used for being fixed on a cylindrical bearing object such as a telegraph pole and a big tree or a plane bearing object such as a wall surface, the connecting main body 41, the mounting part 42 and the clamping part 43 are integrally formed, and the connecting main body 41, the mounting part 42 and the clamping part 43 can be formed by adopting a die for forming and processing, so that the overall stability is high.

As shown in fig. 12 and 13, the mounting portion 42 has a mounting portion body 421, a containing groove 422 is formed on the mounting portion body 421, and at least two insertion plates 4221 parallel to each other and parallel to a side plate of the containing groove 422 are disposed in the containing groove 422 for being in plug-in fit with the insertion groove 3421 of the plug 34; when the plug 34 is inserted into the inside of the receiving groove 422, the upper surface of the plug 34 is flush with the surface of the connection body 41.

In order to further increase the stability of plugging, auxiliary plug-in plates 4222 are symmetrically arranged on both sides of the two plug-in plates 4221 by taking the central axis of the accommodating groove 422 as a symmetry axis, the heights of the auxiliary plug-in plates 4222 and the plug-in plates 4221 are the same, and the auxiliary plug-in plates 4222 are in plug-in fit with the auxiliary plug-in grooves 3422.

The bottom plate of the accommodating groove 422 is fixedly connected with a limiting plate 4224, the limiting plate 4224 is transversely connected with the insert plate 4221 and the auxiliary insert plate 4222, and the space among the limiting plate 4224, the insert plate 4221, the auxiliary insert plate 4222 and the mounting portion body 421 forms an accommodating portion 423. When the plug 34 and the accommodating portion 423 are mutually inserted and matched, the inserting portion 342 is embedded in the accommodating portion 423 and is blocked by the limiting plate 4224 to prevent the inserting portion 342 from sliding outwards.

As shown in fig. 13, the bottom plate of the accommodating groove 422 is provided with a water leakage hole 4223, so that rainwater can be timely discharged through the water leakage hole 4223 in rainy days, and water accumulation in the accommodating groove is avoided.

As shown in fig. 13 and 14, the outer side of the bottom plate of the accommodating groove 422 is concaved inwards to form an arc fitting portion 4225, the arc fitting portion 4225 is mutually fitted with the outer wall of the fixing base 1, an outwardly extending bump 4226 is integrally formed in the middle of the arc fitting portion 4225, the bump 4226 can be engaged with a centering groove 111 formed at the bottom of the fixing base 1, and the cooperation of the bump 4226 and the centering groove 111 can center and limit the fixing base 1, and meanwhile, circumferential rotation of the two can be prevented.

At least one mounting hole 424 is formed in the middle of the accommodating groove 422, when the plug 34 is inserted into the accommodating groove 422, the mounting hole 424 is concentric with a screw hole 343 of a plane part 341 of the plug 34, a copper nut is embedded in the screw hole 343, and the mounting hole 424 and the screw hole 343 are penetrated from bottom to top through the connecting piece 425 to lock the mounting hole 424 and the plug 34.

The connection member 425 may be selected from the group consisting of a self-tapping member, a bolt member, such as: the end part of the machine tooth bolt, the bolt piece or the self-tapping piece can be provided with a butterfly nut, so that manual installation or disassembly of a worker is facilitated.

As shown in fig. 14 and 15, the engaging portion 43 has two symmetrical clamping plates 431 formed by extending the two sides of the connecting body 41 away from the connecting body 41, respectively, and a clamping opening 432 formed between the two clamping plates 431 is V-shaped, U-shaped or C-shaped.

The extended ends of the two clamping plates 431 are respectively extended outwards to form a fixing part 433 which can be attached to a plane bearing such as a wall surface, and at least one fixing hole 4331 is formed in the fixing part 433, so that the fixing part 4331 and the plane bearing such as the wall surface can be fixedly connected together by bolts.

The inside of every splint 431 has evenly offered the clamp tooth 4311 along splint 431 extending direction equidistant, and clamp tooth 4311 is the echelonment and distributes and extend to fixed part 433 all the time, when splint 431 centre gripping on cylindricality bearing objects such as wire pole, big tree, presss from both sides tooth 4311 and can play antiskid, anti-rotation's effect, has improved the stability of mount pad installation.

At least one penetrating channel 45 for penetrating the strip-shaped fastener 44 is transversely formed in the connecting main body 41, and two penetrating channels 45 are preferably formed and are arranged side by side.

The plate surface of the clamping plate 431 is correspondingly provided with an opening 4312 communicated with the penetrating channel 45, and the band-shaped fastener 44 can penetrate from the opening 4312 at the inner side of the clamping plate 431 at one end and pass through the penetrating channel 45 to penetrate from the opening 4312 of the clamping plate 431 at the other end to form a ring-shaped ring.

In order to make the band-shaped fastener 44 and the penetrating channel 45 fit more tightly, the wall surface of the penetrating channel 45 away from the clamping portion 43 is arc-shaped, and two ends of the penetrating channel extend to the opening 4312.

The strap fastener 44 may be a hose clip or other connector that can be formed into a loop that is held against a pole, tree, or other cylindrical carrier.

When the air quality sensing monitor is required to be arranged on a cylindrical bearing such as a telegraph pole, a big tree and the like, only two hoops are required to penetrate into the mounting seat 40, the mounting seat 40 is clamped on the cylindrical bearing such as the telegraph pole, the big tree and the like through the clamping plate 431, and then the mounting seat 40 is locked through the two hoops; when the air quality sensing monitor is required to be arranged on the wall surface and other plane bearing objects, the fixing part 433 of the mounting seat 40 is only required to be horizontally attached to the wall surface and other plane bearing objects, and then the mounting seat 40 is locked and fixed through bolts passing through the fixing holes 4331 on the fixing part 433.

The mounting seat 40 in this embodiment has a simple structure, is convenient and quick to operate, can be arranged on cylindrical bearing objects such as big trees and telegraph poles, can also be arranged on plane bearing objects such as plane walls, has a wide application range, and can be widely used for net distribution.

The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.

Claims (6)

1. An air monitor, characterized in that: the device comprises a module assembly (2), a fixed base (1) arranged at the bottom of the module assembly (2) and used for supporting the module assembly (2), a protective cover (3) which is covered outside the module assembly (2) and is detachably and fixedly connected with the fixed base (1), and a mounting assembly (4) which is locked by a connecting piece (425) after being spliced with the protective cover (3) and used for fixing the protective cover (3) on a cylindrical bearing object or a plane bearing object;

the mounting assembly (4) comprises a mounting seat (40) and a strip-shaped fastener (44) wound on the mounting seat (40), wherein the mounting seat (40) is provided with a connecting main body (41), a mounting part (42) connected to one end of the connecting main body (41) and used for being in plug-in fit with the protective cover (3), and a clamping part (43) connected to the other end of the connecting main body (41) and used for clamping a cylindrical or plane bearing object;

a plug (34) is arranged on the protective cover (3); the plug (34) is provided with a plane part (341) and an inserting part (342) which is bent downwards and extends at the tail end of the plane part (341), the inserting part (342) is in plug-in fit with the mounting part (42) and locks the plug (34) and the mounting part (42) through a connecting piece (425); two mutually parallel insertion grooves (3421) are formed in the insertion part (342), and auxiliary insertion grooves (3422) are formed in the inner surface of the insertion part (342);

the mounting seat (40) is provided with a connecting main body (41), one side of the connecting main body (41) is provided with a mounting part (42) matched with the plug (34), the other end of the connecting main body (41) is provided with a clamping part (43), the mounting part (42) is provided with a mounting part body (421), the mounting part body (421) is provided with a containing groove (422), and at least two inserting plates (4221) which are parallel to each other and parallel to the side plate of the containing groove (422) are arranged in the containing groove (422) and are used for being in plug-in fit with the inserting grooves (3421) of the plug (34);

two the both sides of inserting board (4221) are provided with supplementary board (4222) for symmetry axis symmetry with the central axis of accommodation groove (422), supplementary board (4222) with the highly the same of board (4221) inserts, supplementary board (4222) with supplementary board (3422) grafting cooperation, still fixedly connected with limiting plate (4224) on the bottom plate of accommodation groove (422), limiting plate (4224) transversely connect board (4221) and supplementary board (4222), limiting plate (4224) insert board (4221) with supplementary board (4222) and space between installation department body (421) constitutes accommodation portion (423).

2. The air monitor as set forth in claim 1, wherein: the module assembly (2) comprises a power supply module (20), a communication module (22) and at least one gas monitoring module (21) arranged between the power supply module (20) and the communication module (22), wherein the power supply module (20), the gas monitoring module (21) and the communication module (22) are sequentially and electrically connected, and the power supply module (20), the communication module (22) and the at least one gas monitoring module (21) are mutually connected through the same connecting structure.

3. The air monitor as set forth in claim 1, wherein: the connecting piece (425) comprises at least one of a self-tapping piece and a bolt piece, when the plug (34) is inserted into the mounting part (42), a mounting hole (424) on the mounting part (42) is mutually aligned with a screw hole (343) on the plug (34), and the at least one of the self-tapping piece and the bolt piece penetrates into the mounting hole (424) from bottom to top to lock the mounting part (42) and the plug (34).

4. The air monitor as set forth in claim 1, wherein: the protective cover (3) comprises a plurality of baffle covers (30) which are concentrically provided with through holes (313) in the center, wherein the baffle cover through holes (313) at the top end are closed, and the protective cover is characterized in that: wherein, each keeps off cover (30) peg graft fixedly in order to pile up together each keeps off cover (30) through the retaining member that penetrates along the grafting axis, and module assembly (2) are held in the holding cavity (314) that each keeps off cover (30) formed.

5. The air monitor as set forth in claim 4, wherein: the shielding cover (30) comprises a flat plate (311) and a side plate (312) which is formed by extending downwards and outwards along the outer edge of the flat plate (311), and the shielding covers (30) are stacked to form a 'shutter pile'.

6. The air monitor as set forth in claim 5, wherein: the top surface of dull and stereotyped (311) is provided with two spacer sleeves (3112) at least along circumference, and the bottom surface of dull and stereotyped (311) corresponds spacer sleeve (3112) is provided with reference column (3111), link up series connection hole (3114) of reference column (3111) and dull and stereotyped (311) are seted up at reference column (3111) center, dull and stereotyped (311) are through spacer sleeve (3112) and reference column (3111) grafting cooperation, the retaining member inserts with each dull and stereotyped (311) locking in series connection hole (3114).