CN212678544U - Monitoring mechanism for concentration of atmospheric particulate matter - Google Patents

Monitoring mechanism for concentration of atmospheric particulate matter Download PDF

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Publication number
CN212678544U
CN212678544U CN202021706083.3U CN202021706083U CN212678544U CN 212678544 U CN212678544 U CN 212678544U CN 202021706083 U CN202021706083 U CN 202021706083U CN 212678544 U CN212678544 U CN 212678544U
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China
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groove
wall
sliding
block
supporting
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CN202021706083.3U
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Chinese (zh)
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隋成瑶
裴笠舟
赵雎泽
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Abstract

The utility model discloses a monitoring mechanism of atmospheric particulates concentration, including monitoring facilities and box, the edge of box top one side articulates there is the case lid, and the axis department at case lid top has seted up the mounting groove, and the bottom surface of mounting groove is equipped with supporting mechanism, and supporting mechanism includes slider and bracing piece, and the quantity of slider and bracing piece is four, applys arbitrary effort on the outer wall of four bracing pieces, drives four sliders and keeps in opposite directions or back on the back motion, and supporting mechanism is assembled and is used for monitoring facilities's support fixed. The utility model provides a monitoring mechanism of atmospheric particulates concentration, monitoring facilities do not need additionally to carry the support when carrying, and the suitcase of placing also need not place alone, conveniently carries the work, only uses simple connection structure, just can carry out measuring place with monitoring facilities is fixed in needs, and the overall cost is not high and the operation is got up also more portably, whole device practicality very.

Description

Monitoring mechanism for concentration of atmospheric particulate matter
Technical Field
The utility model relates to an empty gas detection surveys technical field, relates to a monitoring mechanism of atmospheric particulates concentration particularly.
Background
The atmospheric particulates refer to a general name of various solid and liquid particulate matters existing in the atmosphere, the various particulate matters are uniformly dispersed in the air to form a relatively stable huge suspension system, with the gradual development of modern society industrialization, the concentration of the atmospheric particulates in the air is getting larger and larger, and the air quality is influenced, so that in the process of detecting the air quality at present, the concentration of the atmospheric particulates is important monitoring data, and the atmospheric particulates are named respectively according to the particle size of the atmospheric particulates, wherein the Total Suspended Particulates (TSP), adsorbable particulates (PM10) and respirable particulates (PM2.5) which have great influence on the environment and arouse common attention of people, and the suspended particulates in the atmosphere can have negative influence on the human health and can have influence on the visibility of urban atmosphere, climate, air quality, ecological environment and the like, therefore, the monitoring of the concentration of the atmospheric particulates needs to be performed, and a monitoring mechanism of the concentration of the atmospheric particulates is inevitably needed.
Present atmospheric particulates concentration's monitoring mechanism mainly is suitcase formula monitoring facilities, when arriving the monitoring place, take out the back installation with monitoring facilities from the suitcase and finish placing the installation work of accomplishing monitoring facilities on the support that additionally carries, behind the starting installation, can begin monitoring work, such monitoring facilities need additionally carry the supporting equipment, carry very inconvenient, and also need handle alone after placing monitoring facilities's the suitcase and place, occupation space relatively, it is more troublesome to handle.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned problem that prior art exists, an aspect of the utility model aims at providing a monitoring mechanism of atmospheric particulates concentration, and the monitoring mechanism who aims at solving current atmospheric particulates concentration need additionally carry the support and after the monitoring facilities installation finishes, the problem of the suitcase of placing not handling well.
Technical scheme
In order to achieve the purpose, the utility model provides a monitoring mechanism for atmospheric particulate matter concentration, including monitoring equipment and box, the edge of one side of box top articulates there is the case lid, the axis department at case lid top has seted up the mounting groove, the bottom surface of mounting groove is equipped with supporting mechanism, supporting mechanism includes slider and bracing piece, the quantity of slider and bracing piece is four, apply arbitrary effort on the outer wall of four bracing pieces, drive four the sliders keep the motion towards each other or back to back, supporting mechanism is assembled and is used for the support of monitoring equipment to fix;
the storage box is characterized in that a containing groove is formed in the bottom surface of the box body, fixing blocks are symmetrically mounted on the inner wall of the containing groove, the number of the fixing blocks is four, and a support is connected to the outer wall of each fixing block in a shaft connection mode.
Preferably, the supporting mechanism further comprises a fixture block a and a spring a, sliding grooves are symmetrically formed in the bottom surface of the mounting groove, the number of the sliding grooves is four, the four sliding blocks are respectively connected in the four sliding grooves in a sliding mode, insertion grooves a are symmetrically formed in the tops of the sliding blocks, grooves a are symmetrically formed in the bottom surface of one side, adjacent to the sliding grooves, of the sliding grooves, the fixture block a is connected on the inner wall of the groove a in a sliding mode, the spring a is fixedly mounted on the bottom surface of the fixture block a, the other end of the spring a is fixedly mounted on the bottom surface of the groove a, and the fixture block a and the insertion grooves a are matched, inserted.
Preferably, the installation seats are fixedly installed at the middle shafts at the tops of the four sliding blocks, the bottom surfaces of the four supporting rods are connected to the outer walls of the four installation seats in a shaft mode, supporting blocks are fixedly installed at the tops of the four supporting rods, a groove b is formed in the middle shaft at the bottom surface of the installation groove, a folding plate is placed in the groove b, fixing grooves are symmetrically installed on the bottom surface of the folding plate, the number of the fixing grooves is four, and the four fixing grooves and the four supporting blocks are matched and fixedly supported.
Preferably, the top of folded sheet has seted up the draw-in groove, place monitoring facilities in the draw-in groove, the edge of mounting groove top one side outer wall articulates there is the capping.
Preferably, the edges of the two adjacent brackets and the edge of the outer wall of the bottom surface of one side of each bracket are hinged with connecting rods a, the edges of the two adjacent brackets and the edge of the outer wall of the bottom surface of one side of each connecting rod a are hinged with connecting rods b, the outer wall of the connecting rod a, which is far away from one side of each bracket, is fixedly provided with an inserting block, the top of the inserting block is provided with a groove c, the inner wall of the groove c is connected with a clamping block b in a sliding manner, the bottom surface of the clamping block b is fixedly provided with a spring b, the bottom surface of the spring b is fixedly arranged on the bottom surface of the groove c, the outer wall of one side of each connecting rod b, which is adjacent to.
Preferably, the edge of the outer wall of one side of the bottom surface of the placing groove is hinged with a sealing cover, the other side of the sealing cover is clamped with the inner wall of the placing groove, and a handle is fixedly mounted on the outer wall of one side of the front surface of the box body.
Preferably, hasps a are symmetrically installed at the edge of the outer wall of one side of the adjacent top of the box body, hasps b are symmetrically installed at the edge of the outer wall of one side of the adjacent bottom surface of the box cover, and the hasps a and the hasps b are matched and fixed.
Preferably, fixed mounting has protection pad a on the inner wall of box, the protection groove has been seted up at protection pad a's top, the quantity in protection groove is a plurality of, monitoring facilities places in the protection groove, the inner wall mountain fixed mounting of case lid has protection pad b.
Advantageous effects
Compared with the prior art, the utility model provides a pair of monitoring mechanism of atmospheric particulates concentration possesses following beneficial effect:
1. the utility model discloses a, be equipped with supporting mechanism and support respectively in the top of suitcase and bottom surface, the support of bottom surface props up whole suitcase and places, and the supporting mechanism at suitcase top is used for placing monitoring facilities for the suitcase does not need to be placed alone and also need not additionally to carry the support and places monitoring facilities, uses convenience very.
2. The utility model discloses a, simple sliding connection structure and grafting structure are utilized to supporting mechanism, pull out the bracing piece fixed for monitoring facilities can steadily place in supporting structure's top, and the support of below also is through simple hinge structure and grafting structure, with firmly fixed being in the same place between the support, guarantees the fastness that monitoring facilities placed.
3. The utility model discloses a, make full use of the inside space of suitcase, concentrated all structures in the suitcase, carry out outdoor monitoring time measuring, only need carry a suitcase and just can accomplish all installation work, unusual convenient and practical.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.
Drawings
Fig. 1 is a schematic structural view of the monitoring device of the present invention during monitoring;
FIG. 2 is a schematic view of the internal structure of the box body and the box cover of the present invention;
FIG. 3 is a schematic view of the top structure of the case cover of the present invention;
fig. 4 is an enlarged schematic view of the utility model at a;
FIG. 5 is a schematic view of the side view cross-section of the chute of the present invention;
FIG. 6 is a schematic structural view of the supporting mechanism of the present invention;
FIG. 7 is a schematic view of the bottom structure of the present invention;
fig. 8 is a schematic sectional view of the connection plate a and the connection plate b according to the present invention.
The main reference numbers:
1. monitoring equipment; 2. a box body; 21. a hasp a; 22. a handle; 23. a protection pad a; 24. a protective groove; 3. a box cover; 31. mounting grooves; 32. a hasp b; 33. a groove b; 34. a slot cover; 35. a protection pad b; 4. a support mechanism; 41. a support bar; 42. a support block; 43. a chute; 431. a clamping block a; 432. a groove a; 433. a spring a; 44. a slider; 441. a plug groove a; 45. a mounting seat; 5. folding the board; 51. fixing grooves; 6. a support; 61. a connecting rod a; 62. a connecting rod b; 63. a plug groove b; 64. a clamping block b; 65. a fixed block; 66. a spring b; 67. a groove c; 68. an insertion block; 7. and (7) sealing the cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
To maintain the following description of the embodiments of the present disclosure clear and concise, a detailed description of known functions and known components have been omitted from the present disclosure.
Referring to fig. 1-8, a monitoring mechanism for atmospheric particulate matter concentration includes a monitoring device 1 and a box 2, a box cover 3 is hinged to an edge of one side of the top of the box 2, when monitoring of the atmospheric particulate matter concentration at a certain position is required, a worker needs to carry the monitoring device 1 to the monitoring position, before going forward, the monitoring device 1 and related installation accessories are sequentially placed in a protection groove 24 in the box 2, a hasp a21 and a hasp b32 are fixed in a matching manner, the monitoring device 1 is moved to the monitoring position by holding a handle 22, after the monitoring position is reached, a sealing cover 7 on the bottom surface of the box 2 is opened, a bracket 6 is rotated 90 degrees along a connection position with a fixing block 65 to be vertical to a horizontal plane, a connecting rod a61 and a connecting rod b62 are turned over 90 degrees along the hinge, a block b64 is pressed and a plug block 68 is moved into a plug groove b63, at this time, a block b64 is moved along the inner wall of a groove c, the spring b66 is in a deformation state, after the insertion block 68 is inserted into the insertion groove b63, the position of the fixture block b64 moves to the notch, the fixture block b64 is not squeezed any more, the spring b66 recovers deformation, the fixture block b64 clamps the insertion groove b63, the connecting rod a61 and the connecting rod b62 are connected together, after the brackets 6 are fixed by the connecting rod a61 and the connecting rod b62, the case cover 3 is opened along the hinge joint through the matching between the hasp a21 and the hasp b32, the monitoring device 1 is taken out, after the accessories are mounted, the case cover 3 is closed, the groove cover 34 is opened, the supporting block 42 is pulled, so that the supporting rod 41 can drive the slider 44 to move along the sliding groove 43, when the insertion groove a441 on the slider 44 moves to the position of the fixture block a431, the spring a433 recovers deformation state from the deformation state, the fixture block a431 is inserted into the insertion groove a441, the position of the supporting rod 41 is fixed, the supporting rod 41 is rotated 90 degrees, operation more than repetition to take out folded sheet 5, be in the same place supporting shoe 42 and fixed slot 51 joint, and place the monitoring facilities 1 who installs in the draw-in groove at 5 tops of folded sheet, accomplish monitoring facilities 1's installation work, just can the real-time atmospheric particulates concentration's of model monitoring work, such structure simple and practical very, and portable and installation use very simple.
As shown in fig. 1, the utility model discloses in the further technical scheme that provides, hasp a21 is installed to the edge symmetry of the adjacent top one side outer wall of box 2, hasp b32 is installed to the edge symmetry of the adjacent bottom surface one side outer wall of case lid 3, hasp a21 and hasp b32 cooperate fixedly, through the cooperation between hasp a21 and the hasp b32, can accomplish opening and closing work between box 2 and the case lid 3, fixed firm, convenient to use.
Wherein, the edge of the bottom surface one side outer wall of standing groove articulates there is closing cap 7, and the opposite side of closing cap 7 and the inner wall looks joint of standing groove, and fixed mounting has handle 22 on the outer wall of box 2 front one side, through the position of the mobile monitoring mechanism that handle 22 can be very convenient.
Wherein, the draw-in groove has been seted up at the top of folded sheet 5, has placed monitoring facilities 1 in the draw-in groove, and the edge of mounting groove 31 top one side outer wall articulates there is capping 34, and the draw-in groove can fix monitoring facilities 1 to make things convenient for monitoring facilities 1 to monitor after fixed.
As shown in fig. 2, the utility model discloses in the technical scheme that further provides, fixed mounting has protection pad a23 on the inner wall of box 2, protection groove 24 has been seted up at protection pad a 23's top, protection groove 24's quantity is a plurality of, monitoring facilities 1 is placed in protection groove 24, the inner wall mountain fixed mounting of case lid 3 has protection pad b35, through the guard action of protection pad a23 and protection pad b35, can ensure that monitoring facilities 1 can not receive the damage at the in-process that removes.
As shown in fig. 3, fig. 4, fig. 5 and fig. 6, the utility model discloses in the technical scheme that further proposes, mounting groove 31 has been seted up to the axis department at case lid 3 top, the bottom surface of mounting groove 31 is equipped with supporting mechanism 4, supporting mechanism 4 includes slider 44 and bracing piece 41, the quantity of slider 44 and bracing piece 41 is four, apply arbitrary effort on the outer wall of four bracing pieces 41, drive four sliders 44 and keep moving in opposite directions or back of the body mutually, supporting mechanism 4 is assembled and is used for monitoring facilities 1's support fixed, through supporting mechanism 4, can support monitoring facilities 1 to certain height, conveniently carry out the monitoring work of atmospheric particulates concentration.
Wherein, supporting mechanism 4 still includes fixture block a431 and spring a433, spout 43 has been seted up to the bottom surface symmetry of mounting groove 31, the quantity of spout 43 is four, four slider 44 is sliding connection respectively in four spout 43, inserting groove a441 has all been seted up to slider 44's top symmetry, recess a432 has all been seted up to the symmetry on the bottom surface of the adjacent one side of spout 43, all sliding connection fixture block a431 on recess a 432's the inner wall, fixture block a 431's bottom surface fixed mounting has spring a433, the other end fixed mounting of spring a433 is in recess a 432's bottom surface, fixture block a431 and inserting groove a441 cooperate the grafting fixed, through simple grafting structure, can fix the position of slider 44, make things convenient for bracing piece 41 to carry out the concrete work that supports, and grafting structure's dismantlement and installation are all very easy, after the completion monitoring, also can be very fast pick up the work.
Wherein, the equal fixed mounting in axis department at four sliders 44 tops has mount pad 45, the equal coupling in bottom surface of four bracing pieces 41 is on the outer wall of four mount pads 45, and the equal fixed mounting in top of four bracing pieces 41 has supporting shoe 42, axis department of mounting groove 31 bottom surface has seted up recess b33, folded sheet 5 has been placed in recess b33, fixed slot 51 is installed to the bottom surface symmetry of folded sheet 5, fixed slot 51's quantity is four, four fixed slot 51 cooperate the fixed stay with four supporting shoe 42, utilize supporting mechanism 4 earlier with folded sheet 5 fixed together, reuse folded sheet 5 to fix monitoring facilities 1, the structure is very simple and practical.
As shown in fig. 7 and 8, the utility model discloses in the further technical scheme that provides, the standing groove has been seted up to the bottom surface of box 2, and fixed block 65 is installed to the symmetry on the inner wall of standing groove, and the quantity of fixed block 65 is four, all has the support 6 to connect by axle on four fixed block 65's the outer wall, supports box 2 to certain height through support 6, regards box 2 as a little platform placing object article to need not consider the work of placing of box 2 again.
Wherein, the edge of two adjacent other two support 6 one side bottom surface outer walls of two support 6 articulates there is connecting rod a61, and the edge of two adjacent connecting rod a61 one side bottom surface outer walls of other two support 6 articulates there is connecting rod b62, fixed mounting has the plug-in block 68 on the outer wall that connecting rod a61 kept away from support 6 one side, recess c67 has been seted up at the top of plug-in block 68, sliding connection has fixture block b64 on the inner wall of recess c67, fixture block b 64's bottom surface fixed mounting has spring b66, spring b 66's bottom surface fixed mounting is in the bottom surface of recess c67, inserting groove b63 has been seted up to the outer wall of adjacent connecting rod a61 one side of connecting rod b62, inserting groove b63 and fixture block b64 cooperate the grafting to fix, through simple grafting structure, fixed between the model support 6 makes the stability of placing of monitoring facilities 1 very much.
The working principle is as follows:
1. after the monitored position is reached, the sealing cover 7 on the bottom surface of the box body 2 is opened, the bracket 6 is rotated by 90 degrees along the connection part with the fixed block 65 to be vertical to the horizontal plane, the connecting rod a61 and the connecting rod b62 are turned by 90 degrees along the hinged part, the fixture block b64 is pressed and the inserting block 68 is moved into the inserting groove b63, at the moment, the fixture block b64 moves along the inner wall of the groove c67, the spring b66 is in a deformation state, after the inserting block 68 is inserted into the inserting groove b63, the position of the fixture block b64 moves to the notch, the fixture block b64 is not pressed any more, the spring b66 recovers deformation, the fixture block b64 clamps the inserting groove b63, and the connecting rod a61 and the connecting rod b62 are connected together, so that the fixing work.
2. The groove cover 34 is opened, the supporting block 42 is pulled, so that the supporting rod 41 can drive the sliding block 44 to move along the sliding groove 43, when the insertion groove a441 on the sliding block 44 moves to the position of the clamping block a431, the spring a433 recovers deformation from a deformation state, the clamping block a431 is inserted into the insertion groove a441, the position of the supporting rod 41 is fixed, the supporting rod 41 is rotated by 90 degrees and is perpendicular to the horizontal plane, the operations are repeated, the folding plate 5 is taken out, the four supporting blocks 42 are clamped with the four fixing grooves 51, finally, the installed monitoring device 1 is placed in a clamping groove in the top of the folding plate 5, and the installation work of the monitoring device 1 is completed.
The spring a433 and the spring b66 mentioned herein have elastic coefficients meeting the technical requirements of the technical solution of the present invention.
The above embodiments are merely exemplary embodiments of the present invention, which is not intended to limit the present invention, and the scope of the present invention is defined by the appended claims. Various modifications and equivalents may be made by those skilled in the art to the present invention without departing from the spirit and scope of the invention, and such modifications and equivalents should be considered to be within the scope of the invention.

Claims (8)

1. The utility model provides an atmospheric particulates concentration's monitoring mechanism, includes monitoring facilities (1) and box (2), the edge of box (2) top one side articulates there is case lid (3), its characterized in that:
a mounting groove (31) is formed in the middle shaft of the top of the box cover (3), a supporting mechanism (4) is arranged on the bottom surface of the mounting groove (31), the supporting mechanism (4) comprises a sliding block (44) and supporting rods (41), the number of the sliding block (44) and the number of the supporting rods (41) are four, any acting force is applied to the outer walls of the four supporting rods (41) to drive the four sliding blocks (44) to move in the opposite direction or in the reverse direction, and the supporting mechanism (4) is assembled for supporting and fixing the monitoring device (1);
the storage box is characterized in that a storage groove is formed in the bottom surface of the box body (2), fixing blocks (65) are symmetrically mounted on the inner wall of the storage groove, the number of the fixing blocks (65) is four, and a support (6) is connected to the outer wall of each fixing block (65) in a shaft connection mode.
2. The atmospheric particulate concentration monitoring mechanism of claim 1, the supporting mechanism (4) also comprises a fixture block a (431) and a spring a (433), sliding grooves (43) are symmetrically formed in the bottom surface of the mounting groove (31), the number of the sliding grooves (43) is four, the four sliding blocks (44) are respectively connected in the four sliding grooves (43) in a sliding manner, the top of the sliding block (44) is symmetrically provided with inserting grooves a (441), the bottom surface of one side adjacent to the sliding groove (43) is symmetrically provided with grooves a (432), the inner walls of the grooves a (432) are all connected with a fixture block a (431) in a sliding way, the bottom surface of the fixture block a (431) is fixedly provided with a spring a (433), the other end of the spring a (433) is fixedly arranged on the bottom surface of the groove a (432), the fixture block a (431) is matched with the insertion groove a (441) for insertion and fixation.
3. The atmospheric particulate concentration monitoring mechanism according to claim 2, wherein a mounting seat (45) is fixedly mounted at a central axis of tops of the four sliding blocks (44), bottom surfaces of the four supporting rods (41) are respectively coupled to outer walls of the four mounting seats (45), supporting blocks (42) are fixedly mounted at tops of the four supporting rods (41), a groove b (33) is formed in the central axis of the bottom surface of the mounting groove (31), a folding plate (5) is placed in the groove b (33), fixing grooves (51) are symmetrically mounted on the bottom surface of the folding plate (5), the number of the fixing grooves (51) is four, and the four fixing grooves (51) are matched with the four supporting blocks (42) for fixed support.
4. The atmospheric particulate concentration monitoring mechanism of claim 3, wherein a clamping groove is formed in the top of the folding plate (5), the monitoring device (1) is placed in the clamping groove, and a groove cover (34) is hinged to an edge of an outer wall of one side of the top of the mounting groove (31).
5. The atmospheric particulate concentration monitoring mechanism of claim 1, wherein two of the brackets (6) are hinged to a connecting rod a (61) at an edge of an outer wall of a bottom surface of one side of the other two brackets (6) adjacent to the other two brackets (6), and a connecting rod b (62) is hinged to an edge of an outer wall of a bottom surface of one side of the other two brackets (6) adjacent to the connecting rod a (61), an insertion block (68) is fixedly installed on an outer wall of one side of the connecting rod a (61) away from the brackets (6), a groove c (67) is formed in the top of the insertion block (68), a clamping block b (64) is slidably connected to an inner wall of the groove c (67), a spring b (66) is fixedly installed on a bottom surface of the clamping block b (64), a bottom surface of the spring b (66) is fixedly installed on a bottom surface of the groove c (67), and an insertion groove b (63) is formed in an outer wall of one side of the And the inserting groove b (63) is matched with the clamping block b (64) for inserting and fixing.
6. The atmospheric particulate concentration monitoring mechanism of claim 1, wherein a sealing cover (7) is hinged to an edge of an outer wall on one side of the bottom surface of the placing groove, the other side of the sealing cover (7) is clamped with the inner wall of the placing groove, and a handle (22) is fixedly mounted on an outer wall on one side of the front surface of the box body (2).
7. The atmospheric particulate concentration monitoring mechanism of claim 1, wherein buckles a (21) are symmetrically installed at the edge of the outer wall of the box body (2) adjacent to the top side, buckles b (32) are symmetrically installed at the edge of the outer wall of the box cover (3) adjacent to the bottom side, and the buckles a (21) and the buckles b (32) are matched and fixed.
8. The atmospheric particulates concentration monitoring mechanism of claim 1, wherein a protection pad a (23) is fixedly mounted on the inner wall of the box body (2), a protection groove (24) is formed in the top of the protection pad a (23), the number of the protection grooves (24) is several, the monitoring device (1) is placed in the protection groove (24), and a protection pad b (35) is fixedly mounted on the inner wall of the box cover (3).
CN202021706083.3U 2020-08-17 2020-08-17 Monitoring mechanism for concentration of atmospheric particulate matter Expired - Fee Related CN212678544U (en)

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Application Number Priority Date Filing Date Title
CN202021706083.3U CN212678544U (en) 2020-08-17 2020-08-17 Monitoring mechanism for concentration of atmospheric particulate matter

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Application Number Priority Date Filing Date Title
CN202021706083.3U CN212678544U (en) 2020-08-17 2020-08-17 Monitoring mechanism for concentration of atmospheric particulate matter

Publications (1)

Publication Number Publication Date
CN212678544U true CN212678544U (en) 2021-03-12

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CN202021706083.3U Expired - Fee Related CN212678544U (en) 2020-08-17 2020-08-17 Monitoring mechanism for concentration of atmospheric particulate matter

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114275633A (en) * 2021-11-12 2022-04-05 赵子源 Intelligent monitoring device is put in special high tension cable's office

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114275633A (en) * 2021-11-12 2022-04-05 赵子源 Intelligent monitoring device is put in special high tension cable's office

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Granted publication date: 20210312

Termination date: 20210817