CN217638976U

CN217638976U - Gas sensor with dustproof function

Info

Publication number: CN217638976U
Application number: CN202221815901.2U
Authority: CN
Inventors: 吴自玉
Original assignee: Yunnan Minzu University
Current assignee: Yunnan Minzu University
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-10-21
Anticipated expiration: 2032-07-15

Abstract

The utility model discloses a gas sensor with dustproof function, which comprises a housin, casing upside screw fixation has the cap, the centre gripping is fixed with the gas sensor body between casing, the cap, the vent has been seted up to the bilateral symmetry of casing, all fixed the inlaying in the vent is equipped with the dust removal net, fixedly connected with transmission case on the middle part diapire of casing, it inlays and is equipped with the pivot to rotate between the inner wall of transmission case both sides, the pivot is connected with the reciprocating mechanism transmission, just a plurality of flabellums of transmission case fixedly connected with are all worn out at the both ends of pivot, the utility model provides a gas sensor with dustproof function drives the reciprocating mechanism operation through the driving motor, and the flabellum can switch the rotation direction in turn, and when flabellum corotation, the air current forward passes two vents, can take away the heat of the operation of the inside gas sensor of casing, and when the flabellum reverses, the air current passes two vents, equally can the heat of the inside gas sensor operation of casing.

Description

Gas sensor with dustproof function

Technical Field

The utility model relates to a gas sensor technical field especially relates to a gas sensor with dustproof function.

Background

The gas sensor is a converter which converts the volume fraction of a certain gas into a corresponding electric signal, the detecting head conditions a gas sample through the gas sensor, generally comprises a display part for filtering impurities and interference gas and drying or refrigerating a processing instrument, and mainly comprises a semiconductor gas sensor, an electrochemical gas sensor, a catalytic combustion type gas sensor, a thermal conductivity type gas sensor, an infrared gas sensor, a solid electrolyte gas sensor and the like;

when the gas sensor moves, inside can produce the operation heat, and traditional radiating mode is the radiating form of one-way induced air, and the one-way air current is many at the inside dead angle of gas sensor, and this has influenced radiating effect to a certain extent, and one-way air current can adsorb the dust in the air on the filter screen of air intake, can influence the ventilation effect over time, needs periodic cleaning, for this the utility model provides a gas sensor with dustproof function is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a gas sensor with dustproof function, when having solved traditional gas sensor operation, inside can produce the operation heat, and traditional radiating mode is the radiating form of one-way induced air, and the one-way air current is many at the inside dead angle of gas sensor, and this has influenced radiating effect to a certain extent, and one-way air current can adsorb the dust in the air on the filter screen of air intake, can influence the ventilation effect as of time, the technical problem that needs periodic cleaning.

For solving the technical problem, the utility model provides a pair of gas sensor with dustproof function, which comprises a housin, casing upside screw fixation has the cap, the centre gripping is fixed with the gas sensor body between casing, the cap, the vent has been seted up to the bilateral symmetry of casing, all fix in the vent and inlay and be equipped with the dust removal net, fixedly connected with transmission case on the middle part diapire of casing, it is equipped with the pivot to rotate to inlay between the inner wall of transmission case both sides, the pivot is connected with the reciprocating mechanism transmission, just a plurality of flabellums of transmission case fixedly connected with are all worn out at the both ends of pivot.

Preferably, the two ventilation openings are arranged oppositely, wherein a connecting line between the rotating shaft and the centers of the two ventilation openings is superposed.

Preferably, the reciprocating mechanism comprises a connecting shaft, one end of the connecting shaft, which is located in the transmission case, is fixedly connected with a first bevel gear, the first bevel gear is in meshing connection with a second bevel gear, and the second bevel gear is fixedly sleeved at the middle position of the rotating shaft.

Preferably, the outer end fixedly connected with all-gear of connecting axle, full gear engagement is connected with the long rack, long rack fixed connection is at the upside of swing frame, swing frame and shells inner wall sliding connection, just equal fixedly connected with short rack on the upper and lower inner wall of swing frame.

Preferably, a sector gear is arranged in the swing frame, the sector gear is fixedly connected to the output end of a driving motor, the driving motor is fixedly embedded in one side of the transmission case, and the sector gear is meshed with the two short racks in turn.

Preferably, the both sides of transmission case all are provided with the opening, all fixedly in the opening inlays and is equipped with the bearing, two rotate between the bearing and be connected with the pivot, the transmission case outer wall just is located the equal fixedly connected with housing in opening top, the housing covers in the pivot top.

Compared with the prior art, the utility model provides a pair of gas sensor with dustproof function has following beneficial effect: the utility model provides a gas sensor with dustproof function, drive reciprocating mechanism operation through driving motor, the flabellum can switch the rotation direction in turn, when the flabellum corotation, the air current forward passes two vents, can take away the heat of the inside gas sensor operation of casing, when the flabellum reversal, the air current is reverse to be passed two vents, the heat of the inside gas sensor operation of casing can be taken away equally, this process has reduced the wind-force dead angle, the radiating effect is better, and simultaneously, when the air current switches the flow direction, can take away the dust of dust removal net upper adhesion, can blow the dust to and subside in the air, can ensure the good ventilation effect of gas sensor.

Drawings

Fig. 1 is a schematic view of a disassembled structure of a gas sensor with a dustproof function according to the present invention;

FIG. 2 is an enlarged view of the structure of the gas sensor with dust-proof function of the present invention at A in FIG. 1;

fig. 3 is a schematic diagram of a gas sensor with a dust-proof function according to the present invention;

fig. 4 is a schematic diagram of a gas sensor with a dustproof function according to the present invention.

The reference numbers in the figures: 1. a housing; 101. a vent; 102. a dust removal net; 2. a shell cover; 3. a transmission case; 301. an opening; 302. a bearing; 303. a housing; 4. a rotating shaft; 5. a reciprocating mechanism; 501. a connecting shaft; 502. a first bevel gear; 503. a second bevel gear; 504. all-gear; 505. a long rack; 506. a swing frame; 507. a short rack; 508. a sector gear; 509. a drive motor; 6. a fan blade; 7. a gas sensor body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment is given by fig. 1-4, the utility model relates to a gas sensor with dustproof function, including

casing

1, 1 side screw fixation of casing has cap 2, the centre gripping is fixed with gas sensor body 7 between casing 1, the cap 2, vent 101 has been seted up to the bilateral symmetry of casing 1, all fixed the inlaying in vent 101 is equipped with dust removal net 102, fixedly connected with transmission case 3 on the middle part diapire of casing 1, it is equipped with pivot 4 to rotate to inlay between the inner wall of transmission case 3 both sides, pivot 4 is connected with 5 transmissions of reciprocating mechanism, just a plurality of flabellums 6 of transmission case 3 fixedly connected with are all worn out at the both ends of pivot 4, and flabellum 6 intermittent type changes the direction of rotation, and the air current of circulation in turn has reduced the wind-force dead angle, and the radiating effect is better, and simultaneously, when the air current switching flow direction, can take away the dust of adhesion on dust removal net 102, can blow the dust to the air and subside, can ensure the good ventilation effect of gas sensor, and this gas sensor body 7 can be carbon dioxide concentration sensor, in oxygen content sensor, the humidity transducer or the temperature sensor or the combination of several kinds.

The two ventilation openings 101 are arranged just opposite to each other, wherein connecting lines between the centers of the rotating shaft 4 and the two ventilation openings 101 are overlapped, the ventilation openings 101 and the rotating shaft 4 are located on the same straight line, and the wind resistance is small.

The reciprocating mechanism 5 comprises a connecting shaft 501, a first bevel gear 502 is fixedly connected to one end of the connecting shaft 501, which is located in the transmission case 3, the first bevel gear 502 is engaged with a second bevel gear 503, the second bevel gear 503 is fixedly sleeved at the middle position of the rotating shaft 4, when the connecting shaft 501 rotates, the first bevel gear 502 can be driven to rotate, and the first bevel gear 502 drives the second bevel gear 503 to rotate.

The outer end of the connecting shaft 501 is fixedly connected with a full gear 504, the full gear 504 is meshed with a long rack 505, the long rack 505 is fixedly connected to the upper side of a swinging frame 506, the swinging frame 506 is connected with the inner wall of the shell 1 in a sliding mode, short racks 507 are fixedly connected to the upper inner wall and the lower inner wall of the swinging frame 506, the swinging frame 506 is changed intermittently and moves reversely, the long rack 505 is meshed with the transmission full gear 504 in the moving process of the swinging frame 506, and the full gear 504 drives the connecting shaft 501 to rotate.

A sector gear 508 is arranged in the swinging frame 506, the sector gear 508 is fixedly connected to the output end of a driving motor 509, the driving motor 509 is fixedly embedded at one side of the transmission case 3, the sector gear 508 is meshed with the two short racks 507 in turn, the driving motor 509 drives the sector gear 508 to rotate, the sector gear 508 is firstly meshed with the upper short rack 507, so that the swinging frame 506 slides forwards, the sector gear 508 is meshed with the lower short rack 507 again, and the swinging frame 506 slides backwards, so that the swinging purpose is realized.

Wherein, the both sides of transmission case 3 all are provided with opening 301, equal fixed the inlaying is equipped with bearing 302 in opening 301, two rotate between the bearing 302 and be connected with

pivot

4, 3 outer walls of transmission case just are located the equal fixedly connected with housing 303 in opening 301 top, housing 303 covers in 4 tops of pivot, and the friction loss of 4 kinetic energies of pivot can be reduced in the setting of bearing 302, and housing 303 separates the effect, and

housing

303, 3 tops of transmission case are used for assembling electrical component.

The working principle is as follows: when the gas sensor operates, the driving motor 509 drives the sector gear 508 to rotate, the sector gear 508 is meshed with the two short racks 507 in turn, so that the oscillating frame 506 can intermittently change the moving direction in the opposite direction, in the moving process of the oscillating frame 506, the long rack 505 is meshed with the transmission full gear 504, the full gear 504 drives the connecting shaft 501 to rotate, the connecting shaft 501 drives the first bevel gear 502 to rotate, the first bevel gear 502 drives the second bevel gear 503 to rotate, and the second bevel gear 503 drives the rotating shaft 4 to rotate at a high speed, so that the fan blades 6 can switch the rotating direction in turn, when the fan blades 6 rotate in the forward direction, the airflow passes through the two ventilation openings 101 in the forward direction, the heat generated by the operation of the gas sensor inside the shell 1 can be taken away, when the fan blades 6 rotate in the reverse direction, the airflow passes through the two ventilation openings 101 in the reverse direction, the heat generated by the operation of the gas sensor inside the shell 1 can also be taken away, the process reduces the dead angle of wind power, the heat dissipation effect is better, meanwhile, when the airflow switches the flow direction, the dust adhered to the dust can be blown into the air to be blown to settle, and the good ventilation effect of the gas sensor can be ensured.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. 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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gas sensor with dustproof function, includes casing (1), casing (1) upside screw fixation has cap (2), its characterized in that, the centre gripping is fixed with gas sensor body (7) between casing (1), cap (2), vent (101) have been seted up to the bilateral symmetry of casing (1), all fixed the inlaying in vent (101) is equipped with dust removal net (102), fixedly connected with transmission case (3) on the middle part diapire of casing (1), it is equipped with pivot (4) to rotate to inlay between transmission case (3) both sides inner wall, pivot (4) are connected with reciprocating mechanism (5) transmission, just a plurality of flabellum (6) of transmission case (3) fixedly connected with are all worn out at the both ends of pivot (4).

2. The gas sensor with the dustproof function according to claim 1, wherein two of the ventilation openings (101) are arranged to face each other, and wherein the rotating shaft (4) coincides with a connecting line between centers of the two ventilation openings (101).

3. The gas sensor with the dustproof function according to claim 1, wherein the reciprocating mechanism (5) comprises a connecting shaft (501), a first bevel gear (502) is fixedly connected to one end of the connecting shaft (501) in the transmission case (3), a second bevel gear (503) is engaged and connected to the first bevel gear (502), and the second bevel gear (503) is fixedly sleeved on the middle position of the rotating shaft (4).

4. The gas sensor with the dustproof function according to claim 3, wherein an outer end of the connecting shaft (501) is fixedly connected with a full gear (504), the full gear (504) is engaged and connected with a long rack (505), the long rack (505) is fixedly connected to the upper side of the swinging frame (506), the swinging frame (506) is slidably connected with the inner wall of the shell (1), and short racks (507) are fixedly connected to the upper inner wall and the lower inner wall of the swinging frame (506).

5. The gas sensor with the dustproof function according to claim 4, wherein a sector gear (508) is arranged in the swing frame (506), the sector gear (508) is fixedly connected to the output end position of a driving motor (509), the driving motor (509) is fixedly embedded on one side of the transmission case (3), and the sector gear (508) is in turn meshed connection with two short racks (507).

6. The gas sensor with the dustproof function according to claim 1, wherein openings (301) are arranged on two sides of the transmission case (3), bearings (302) are fixedly embedded in the openings (301), a rotating shaft (4) is rotatably connected between the two bearings (302), a cover (303) is fixedly connected to the outer wall of the transmission case (3) and located above the openings (301), and the cover (303) covers the rotating shaft (4).