CN215448903U

CN215448903U - High-precision dust concentration detector

Info

Publication number: CN215448903U
Application number: CN202121873287.0U
Authority: CN
Inventors: 唐家浩
Original assignee: Qingdao Jingcheng Instrument Co ltd
Current assignee: Qingdao Jingcheng Instrument Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-01-07
Anticipated expiration: 2031-08-11

Abstract

The utility model relates to the technical field of dust detection, and discloses a high-precision dust concentration detector, which solves the problem of low concentration detection precision caused by inconvenient position adjustment of the concentration detector and comprises a supporting seat and a dust concentration detector body, wherein the supporting seat is a cavity structure with openings at two sides, a supporting mechanism is movably connected inside the supporting seat, moving wheels are symmetrically arranged at the bottom end of the supporting seat, a height adjusting rod is arranged in the middle position of the top end of the supporting seat, and a supporting plate is arranged at the top end of the height adjusting rod; through being provided with the supporting seat, removing wheel, backup pad, dust concentration detector body, sample connection and gas vent, the removal of the device of being convenient for realize has improved the portability of device, through the design of altitude mixture control pole, is convenient for bring the convenience for the altitude mixture control of dust concentration detector body, realizes that dust concentration detector body detects the dust concentration of co-altitude not, and then has improved the accurate nature of concentration detection.

Description

High-precision dust concentration detector

Technical Field

The utility model belongs to the technical field of dust detection, and particularly relates to a high-precision dust concentration detector.

Background

The detector for detecting the dust concentration in the air is a special detector for measuring the values of PM2.5 (accessible lung particles) and PM10 (accessible lung particles) in the air, consists of an inductor and a data processor which are assembled together, and can be applied to the monitoring of particles in disease control centers, health supervision, environment detection, various universities and institutions, research institutes and other departments, public places such as hotels, movie theaters, meeting places, stations, docks, markets and the like, and places such as steel, metallurgy, chemical engineering, building materials, pharmacy, decoration and the like.

When present dust concentration detector detects dust concentration in the air, need place concentration detection appearance and detect in external environment, because concentration detection appearance position control is inconvenient and dust floats the reason, can cause concentration detection appearance's detection precision lower.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a high-precision dust concentration detector, which effectively solves the problem of low concentration detection precision caused by inconvenient position adjustment of the concentration detector in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high accuracy dust concentration detector, includes supporting seat and dust concentration detector body, and the supporting seat is both sides open-ended cavity structure, and the inside swing joint of supporting seat has supporting mechanism, and the bottom symmetry of supporting seat is equipped with removes the wheel, and the top intermediate position of supporting seat is equipped with the altitude mixture control pole, and the top of altitude mixture control pole is equipped with the backup pad, and the dust concentration detector body is installed on the top of backup pad, and the top of dust concentration detector body is equipped with sample connection and gas vent, and the sample connection is located one side of gas vent.

Preferably, the altitude mixture control pole includes a fixed cylinder, a biax motor, an internal thread section of thick bamboo, axis of rotation and screw thread piece, and a fixed cylinder is installed on the top of supporting seat, and the inside activity of a fixed cylinder is equipped with the internal thread section of thick bamboo of being connected with the backup pad bottom, and one of them output shaft of biax motor is equipped with the axis of rotation, and the top of axis of rotation is equipped with the screw thread piece with internal thread section of thick bamboo threaded connection.

Preferably, the fixed cylinder and the internal thread cylinder are both of a quadrangular structure.

Preferably, the top end of the exhaust port is provided with a collecting cover, and the cross section of the collecting cover is of an inverted trapezoidal structure.

Preferably, the supporting mechanism includes the sliding seat, the rotation axis, conical gear one, conical gear two, two-way screw rod section of thick bamboo, the slider, supporting baseplate, base one, base two and swinging arms, two sliding seat movable mounting are in the inside both sides of supporting seat, through rotation axis swing joint between two sliding seats, the cover is equipped with conical gear one on the rotation axis, be equipped with conical gear two of being connected with conical gear one meshing on one of them output shaft of biax motor, the symmetrical cover is equipped with two-way screw rod section of thick bamboo of being connected with the sliding seat on the rotation axis, equal symmetry is equipped with the slider on the two-way screw rod section of thick bamboo, the bottom of two sliders all is equipped with base two, the inner bottom of sliding seat all is equipped with supporting baseplate, supporting baseplate's top is equipped with base one, be connected through the swinging arms between base two and the base one.

Preferably, the inner bottom end of the support base is connected to the rotation shaft through a support rod.

Preferably, the two ends of the rotating shaft are symmetrically provided with a convex block, and the inner wall of the bidirectional screw rod cylinder is provided with a sliding groove in sliding connection with the convex block.

Compared with the prior art, the utility model has the beneficial effects that:

(1) during work, the supporting seat, the moving wheel, the supporting plate, the dust concentration detector body, the sampling port and the exhaust port are arranged, so that the movement of the device is convenient to realize, the portability of the device is improved, the design of the height adjusting rod is convenient to bring convenience for the height adjustment of the dust concentration detector body, the dust concentration detector body can detect dust concentrations with different heights, and the concentration detection accuracy is further improved; through the design of the supporting mechanism, the thread block is separated from the ground for supporting, so that the dust concentration detector body can be prevented from moving during working, and the working stability of the dust concentration detector body is improved;

(2) through the design of movable seat, rotation axis, two-way lead screw section of thick bamboo, lug, ring channel and spout, improved the chassis area of device, and then improved the support stability to dust concentration detector body, avoid removing wheel and ground contact simultaneously, reduce the possibility that the aversion appears in the device.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the support base of the present invention;

FIG. 3 is a schematic structural view of a support mechanism according to the present invention;

FIG. 4 is a cross-sectional view of the support base of the present invention;

in the figure: 1. a supporting seat; 2. a moving wheel; 3. a height adjustment lever; 4. a support plate; 5. a dust concentration detector body; 6. a sampling port; 7. an exhaust port; 8. a fixed cylinder; 9. a double-shaft motor; 10. an internal threaded barrel; 11. a rotating shaft; 12. a thread block; 13. a movable seat; 14. a rotating shaft; 15. a first conical gear; 16. a second bevel gear; 17. a bidirectional screw rod cylinder; 18. a slider; 19. a support base plate; 20. a first base; 21. a second base; 22. a swing lever; 23. a support rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the first embodiment, as shown in fig. 1 to 4, the utility model includes a supporting seat 1 and a dust concentration detector body 5, the supporting seat 1 is a cavity structure with openings at two sides, a supporting mechanism is movably connected inside the supporting seat 1, the working stability of a sampling port 6 can be realized by the design of the supporting mechanism, the displacement phenomenon of the sampling port 6 is avoided, moving wheels 2 are symmetrically arranged at the bottom end of the supporting seat 1, the position adjustment of the dust concentration detector body 5 is realized by the design of the moving wheels 2, thereby improving the portability of the device, a height adjusting rod 3 is arranged at the middle position of the top end of the supporting seat 1, the height adjustment of the dust concentration detector body 5 is effectively realized by the design of the height adjusting rod 3, a supporting plate 4 is arranged at the top end of the height adjusting rod 3, the dust concentration detector body 5 is installed at the top end of the supporting plate 4, the top end of the dust concentration detector body 5 is provided with the sampling port 6 and an exhaust port 7, the sampling port 6 is located on one side of the exhaust port 7.

Embodiment two, on the basis of embodiment one, as shown in fig. 1 to 3, the height adjustment rod 3 includes a fixed cylinder 8, a dual-shaft motor 9, an internal thread cylinder 10, a rotation shaft 11 and a thread block 12, the fixed cylinder 8 is installed at the top end of the supporting seat 1, the internal thread cylinder 10 connected with the bottom end of the supporting plate 4 is movably arranged inside the fixed cylinder 8, one output shaft of the dual-shaft motor 9 is provided with the rotation shaft 11, the top end of the rotation shaft 11 is provided with the thread block 12 in threaded connection with the internal thread cylinder 10, the dual-shaft motor 9 drives the rotation shaft 11 to rotate by starting the dual-shaft motor 9, the rotation shaft 11 drives the thread block 12 to rotate, the height adjustment of the internal thread cylinder 10 can be realized by the connection relationship between the thread block 12 and the internal thread cylinder 10, and further drives the supporting plate 4 to perform the height adjustment on the dust concentration detector body 5, so as to facilitate the detection of the dust concentration detector body 5 at different heights, the dust concentration detection accuracy is effectively improved.

In the third embodiment, based on the first embodiment, as shown in fig. 1 and 2, both the fixed cylinder 8 and the internally threaded cylinder 10 are of a quadrangular prism structure, and the fixed cylinder 8 and the internally threaded cylinder 10 of the quadrangular prism structure provide possibility for height adjustment of the dust concentration detector body 5.

Fourth embodiment, on the basis of first embodiment, given by fig. 1, the top of gas vent 7 is equipped with collects the cover, and collects the trapezoidal structure that the cross section of cover is invertd, through the collection cover of trapezoidal structure, has effectually increased the receiving area of dust, brings the convenience for dust concentration detection.

Fifth embodiment, based on the first embodiment, as shown in fig. 1 to 4, the supporting mechanism includes movable seats 13, a rotating shaft 14, a first conical gear 15, a second conical gear 16, a bidirectional screw rod cylinder 17, a sliding block 18, a supporting bottom plate 19, a first base 20, a second base 21 and a swing rod 22, the two movable seats 13 are movably installed at two sides inside the supporting seat 1, the two movable seats 13 are movably connected through the rotating shaft 14, the first conical gear 15 is sleeved on the rotating shaft 14, the second conical gear 16 meshed with the first conical gear 15 is installed on the other output shaft of the dual-shaft motor 9, the bidirectional screw rod cylinder 17 connected with the movable seats 13 is symmetrically sleeved on the rotating shaft 14, it should be noted that the bidirectional screw rod cylinder 17 is connected with the inner wall of the movable seats 13 through a bearing, the bearing is not shown in the figures, the sliding blocks 18 are symmetrically installed on the bidirectional screw rod cylinder 17, the bottom ends of the two sliding blocks 18 are respectively provided with a second base 21, the inner bottom end of the movable seat 13 is respectively provided with a supporting bottom plate 19, the top end of the supporting bottom plate 19 is provided with a first base 20, the second base 21 is connected with the first base 20 through a swinging rod 22, the inner bottom end of the supporting seat 1 is connected with the rotating shaft 14 through a supporting rod 23, a worker pulls the movable seat 13 to enable the movable seat 13 to drive the two-way screw rod barrel 17 to horizontally move, and further enable a lug in the rotating shaft 14 to move in an annular groove, when the lug moves into a sliding groove, the double-shaft motor 9 can be started to drive the two bevel gears 16 to rotate, the two bevel gears 15 can be meshed with the first bevel gears 15 to enable the first bevel gears 15 to drive the rotating shaft 14 to rotate, the rotating shaft 14 can drive the two-way screw rod barrel 17 to rotate through the clamping relation of the lug and the sliding groove, and then the two sliding blocks 18 can be close to each other, under the connecting action of the swing rod 22, the top end of the swing rod 22 can swing around the first base 20, so that the supporting bottom plate 19 moves downwards, the supporting bottom plate 19 supports the moving wheel 2, the moving wheel 2 is separated from the support, the stability of the device is improved, and the dust concentration detector body 5 can be prevented from shifting.

Sixth embodiment, on the basis of fifth embodiment, as shown in fig. 1, two ends of the rotating shaft 14 are symmetrically provided with a protrusion, the inner wall of the bidirectional screw rod cylinder 17 is provided with a sliding groove connected with the protrusion in a sliding manner and an annular groove located on one side of the sliding groove, through the design of the annular groove, when the protrusion on the rotating shaft 14 is located in the annular groove, the rotation of the rotating shaft 14 does not drive the bidirectional screw rod cylinder 17 to rotate, but when the protrusion is located in the sliding groove, the rotation of the rotating shaft 14 can rotate the bidirectional screw rod cylinder 17, thereby providing possibility for height adjustment of the supporting base plate 19.

The working principle is as follows: when the device works, firstly, a worker pushes the device to move to a position to be detected, then the movable seat 13 is pulled and pulled, the movable seat 13 penetrates through the opening to move to the outside of the supporting seat 1, then the movable seat 13 drives the two-way screw rod cylinder 17 to move, the lug on the rotating shaft 14 slides in the annular groove on the inner wall of the two-way screw rod cylinder 17, then the lug moves into the sliding groove, then the double-shaft motor 9 is started, the double-shaft motor 9 can drive the conical gear II 16 to rotate, the conical gear I15 can drive the rotating shaft 14 to rotate through the meshing relationship between the conical gear II 16 and the conical gear I15, the rotating shaft 14 can drive the two-way screw rod cylinder 17 to rotate through the clamping relationship between the lug and the sliding groove, then the two sliding blocks 18 can be close to each other, under the connecting action of the swinging rod 22, the top end of the swinging rod 22 can swing around the base I20, and the supporting bottom plate 19 moves downwards, realize supporting baseplate 19 and support and make and remove wheel 2 and break away from the support, promote sliding seat 13 after that, make the lug remove to the ring channel in, and then can avoid 14 rotatory two-way screw rod section of thick bamboo 17 rotations of drive of rotation axis, and then the stability of device has been improved, can avoid dust concentration detector body 5 to appear shifting at the during operation, biax motor 9 can drive axis of rotation 11 rotatory after that, axis of rotation 11 drives the screw block 12 rotatory, through the relation of being connected of screw block 12 and internal thread section of thick bamboo 10, can realize the altitude mixture control of internal thread section of thick bamboo 10, and then drive backup pad 4 and make dust concentration detector body 5 carry out altitude mixture control, conveniently make dust concentration detector body 5 detect the dust concentration of co-altitude not after that, the effectual dust concentration that has improved detects accurate nature.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high accuracy dust concentration detector, includes supporting seat (1) and dust concentration detector body (5), its characterized in that: supporting seat (1) is both sides open-ended cavity structure, and the inside swing joint of supporting seat (1) has supporting mechanism, and the bottom symmetry of supporting seat (1) is equipped with removes wheel (2), and the top intermediate position of supporting seat (1) is equipped with altitude mixture control pole (3), and the top of altitude mixture control pole (3) is equipped with backup pad (4), installs on the top of backup pad (4) dust concentration detector body (5), and the top of dust concentration detector body (5) is equipped with sample connection (6) and gas vent (7), and sample connection (6) are located one side of gas vent (7).

2. A high accuracy dust concentration detector according to claim 1, wherein: height adjusting rod (3) are including a fixed section of thick bamboo (8), a biaxial motor (9), an internal thread section of thick bamboo (10), axis of rotation (11) and screw block (12), and a fixed section of thick bamboo (8) are installed on the top of supporting seat (1), and the inside activity of a fixed section of thick bamboo (8) is equipped with internal thread section of thick bamboo (10) of being connected with backup pad (4) bottom, and one of them output shaft of biaxial motor (9) is equipped with axis of rotation (11), and the top of axis of rotation (11) is equipped with screw block (12) with internal thread section of thick bamboo (10) threaded connection.

3. A high accuracy dust concentration detector according to claim 2, wherein: the fixed cylinder (8) and the internal thread cylinder (10) are both of quadrangular structures.

4. A high accuracy dust concentration detector according to claim 1, wherein: the top end of the exhaust port (7) is provided with a collecting cover, and the cross section of the collecting cover is of an inverted trapezoidal structure.

5. A high accuracy dust concentration detector according to claim 1, wherein: the supporting mechanism comprises movable seats (13), a rotating shaft (14), a first conical gear (15), a second conical gear (16), a two-way screw rod cylinder (17), sliding blocks (18), a supporting bottom plate (19), a first base (20), a second base (21) and a swinging rod (22), the two movable seats (13) are movably arranged on two sides of the inside of the supporting seat (1), the two movable seats (13) are movably connected through the rotating shaft (14), the first conical gear (15) is sleeved on the rotating shaft (14), the second conical gear (16) meshed with the first conical gear (15) is arranged on the other output shaft of the double-shaft motor (9), the two-way screw rod cylinder (17) connected with the movable seats (13) is symmetrically sleeved on the rotating shaft (14), the sliding blocks (18) are symmetrically arranged on the two-way screw rod cylinder (17), the second base (21) is arranged at the bottom ends of the two sliding blocks (18), the inner bottom end of the movable seat (13) is provided with a supporting bottom plate (19), the top end of the supporting bottom plate (19) is provided with a first base (20), and a second base (21) is connected with the first base (20) through a swinging rod (22).

6. A high accuracy dust concentration detector according to claim 1, wherein: the inner bottom end of the supporting seat (1) is connected with the rotating shaft (14) through a supporting rod (23).

7. A high accuracy dust concentration detector according to claim 5, wherein: the two ends of the rotating shaft (14) are symmetrically provided with bumps, and the inner wall of the bidirectional screw rod cylinder (17) is provided with a sliding groove in sliding connection with the bumps.