CN214277891U

CN214277891U - High-precision infrared thermal conductivity gas sensor

Info

Publication number: CN214277891U
Application number: CN202120012593.9U
Authority: CN
Inventors: 祁泽刚
Original assignee: Shenzhen Daoheshun Sensing Industry Co ltd
Current assignee: Shenzhen Daoheshun Sensing Industry Co ltd
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-09-24
Anticipated expiration: 2031-01-05

Abstract

The utility model relates to the technical field of thermal conductivity sensors, in particular to a high-precision infrared thermal conductivity gas sensor, which comprises two fixed rods, wherein the inner ends of the two fixed rods are respectively fixed with a chute, a bottom plate is movably arranged on the chute, a second driving component is arranged on the bottom plate, the second driving component comprises a second motor, the output shaft of the second motor is connected with a second rotating shaft, the other end of the second rotating shaft is connected with the rotating shaft, the rotating shaft is movably arranged on a case, a plurality of rotating shafts are movably arranged on the inner wall of the case, each rotating shaft is respectively fixed with a driving gear, the lower end of the case is provided with a chute and is movably arranged with a bottom plate, the upper end of the bottom plate is provided with a storage battery, the lower end of the bottom plate is fixed with an infrared detector body, the utility model improves the scanning area of the infrared detector body, the problem of infrared ray detection instrument body have the unable scanning in dead angle is solved, the practicality of equipment has been improved.

Description

High-precision infrared thermal conductivity gas sensor

Technical Field

The utility model relates to a gas sensor technical field particularly, relates to an infrared thermal conductance gas sensor of high accuracy.

Background

An infrared thermal conductivity type gas sensor belongs to an electric gas sensor, and is a device or a device capable of sensing a certain gas and the concentration thereof in the environment through infrared rays, and the infrared thermal conductivity type gas sensor can convert information related to the type and the concentration of the gas into an electric signal so as to carry out detection, monitoring, analysis and alarm. Thermal conductivity sensors were the first gas sensors used for gas detection, in areas such as automotive doors.

However, the above solution has the following disadvantages in use: the existing infrared thermal conductivity sensor has a single structure, can only be located in one region, and cannot detect heat without dead angles, so that equipment has regions which cannot be scanned, and the accuracy of the infrared thermal conductivity sensor is influenced.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a high-precision infrared thermal conductivity gas sensor, which can effectively solve the problems in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a high-precision infrared thermal conductivity gas sensor comprises two fixed rods, wherein sliding grooves are fixed at the inner ends of the two fixed rods, a bottom plate is movably arranged on each sliding groove, a second driving assembly is arranged on the bottom plate and comprises a second motor, an output shaft of the second motor is connected with a second rotating shaft, the other end of the second rotating shaft is connected to the rotating shaft, the rotating shafts are movably arranged on a case, a plurality of rotating shafts are movably arranged on the inner wall of the case, driving gears are fixed on each rotating shaft, a sliding groove is arranged at the lower end of the case and movably arranged with the bottom plate, a storage battery is arranged at the upper end of the bottom plate, an infrared detector body is fixed at the lower end of the bottom plate, and a first driving assembly is arranged on each sliding groove.

Preferably, the upper end of the bottom plate is provided with a plurality of teeth, each driving gear is meshed with each other, and the teeth arranged at the upper end of the bottom plate are meshed with the driving gears.

Preferably, the storage battery is provided with an electric wire, and the other end of the electric wire is connected with a first motor, a second motor and an infrared detector body.

Preferably, the first driving assembly comprises a sliding block, a supporting rod is fixed at the upper end of the bottom plate, a placing plate is fixed at the other end of the supporting rod, and a first motor is arranged at the upper end of the placing plate.

Preferably, an output shaft of the first motor is connected with a first rotating shaft, the other end of the first rotating shaft is fixedly connected to the rear end of the second rotating rod, the other end of the second rotating rod is movably provided with a pinion through a connecting rod, the arrangement plate is fixed with a large gear through a second connecting rod, and the large gear is meshed with the pinion.

Preferably, the other end of the pinion is fixed with a first rotating rod through a connecting rod, the other end of the first rotating rod is fixed with a first connecting rod, a sliding block is fixed on the first connecting rod and movably arranged on a sliding groove, the lower end of the sliding block is fixed with a bottom plate through a connecting rod, and the sliding groove is fixed on the bottom plate through a third connecting rod.

Compared with the prior art, the utility model discloses following beneficial effect has:

the fixed rod is installed on a wall or is firm and the like, and equipment parts are arranged in the fixed rod to move the infrared detector body, so that the object can be detected without dead angles. The inside arrangement of dead lever has the spout, the spout drives the infrared detection instrument body for first drive subassembly and carries out the up-and-down motion, be connected with the mounting plate on the spout through the third connecting rod, the lower extreme arrangement of mounting plate has the infrared detection instrument body to survey the heat and thus carry out work, the upper end of mounting plate is connected with the second and drives the subassembly and make the infrared detection instrument body can carry out horizontal motion, thereby it can not have the dead angle to scan object around to drive the motion about the infrared detection instrument body can carry out about from top to bottom through first drive subassembly and second drive subassembly, the area that the infrared detection instrument body scanned has been improved, the problem that the infrared detection instrument body has the unable scanning in dead angle has been solved, the practicality of equipment has been improved.

Drawings

Fig. 1 is a schematic view of the overall structure of a high-precision infrared thermal conductivity gas sensor of the present invention;

fig. 2 is a schematic view of a first driving assembly of the high-precision infrared thermal conductivity gas sensor of the present invention;

fig. 3 is a schematic view of a second driving assembly of the high-precision infrared thermal conductivity gas sensor of the present invention;

fig. 4 is a circuit connection diagram of the high-precision infrared thermal conductivity gas sensor of the present invention.

In the figure: 1. placing a plate; 2. a first drive assembly; 201. a slider; 202. a first link; 203. a first rotating lever; 204. a first motor; 205. a pinion gear; 206. a second rotating rod; 207. a third link; 208. a second link; 209. a first rotating shaft; 210. a bull gear; 3. a second driving assembly; 301. a second motor; 302. an electric wire; 303. driving the gear; 304. a rotating shaft; 305. a chassis; 4. a chute; 5. fixing the rod; 6. a base plate; 7. an infrared detector body; 8. a storage battery; 9. a support rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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.

Examples

As shown in fig. 1-4, a high-precision infrared thermal conductivity gas sensor includes two fixing rods 5, sliding grooves 4 are fixed on inner ends of the two fixing rods 5, a bottom plate 6 is movably disposed on the sliding grooves 4, a second driving assembly 3 is disposed on the bottom plate 6, the second driving assembly 3 includes a second motor 301, an output shaft of the second motor 301 is connected with a second rotating shaft, the other end of the second rotating shaft is connected to the rotating shaft 304, the rotating shaft 304 is movably disposed on a case 305, a plurality of rotating shafts 304 are movably disposed on an inner wall of the case 305, a driving gear 303 is fixed on each rotating shaft 304, a sliding groove is movably disposed at a lower end of the case 305, a bottom plate 6 is disposed on the bottom plate 6, a storage battery 8 is disposed at an upper end of the bottom plate 6, an infrared detector body 7 is fixed at a lower end of the bottom plate 6, and a first driving assembly 2 is disposed on the sliding groove 4.

According to the technical scheme, the fixing rod 5 is installed on a wall or is firm and the like, and the equipment parts are arranged in the fixing rod 5 to move so as to detect the object without dead angles by the infrared detector body 7. The fixing rod 5 is internally provided with the sliding groove 4, the sliding groove 4 is used for driving the infrared detector body 7 to move up and down by the first driving component 2, the sliding groove 4 is connected with the placing plate 1 through the third connecting rod 207, the lower end of the placing plate 1 is provided with the infrared detector body 7 to detect heat so as to work, the upper end of the placing plate 1 is connected with the second driving component 3 so that the infrared detector body 7 can move transversely, the infrared detector body 7 can move up and down and left and right by the first driving component 2 and the second driving component 3 so that objects around the infrared detector body 7 can be scanned without dead corners, the scanning area of the infrared detector body 7 is increased, the problem that the infrared detector body 7 cannot scan at the dead corners is solved, and the practicability of the equipment is improved.

It should be noted that, a plurality of teeth are arranged at the upper end of the bottom plate 6, each driving gear 303 is engaged with each other, the teeth arranged at the upper end of the bottom plate 6 are engaged with the driving gears 303, and the teeth are arranged at the upper end of the bottom plate 6 and engaged with the driving gears 303, so that the driving gears 303 are driven to move through the movement of the second motor 301, and the practicability of the device is improved.

In order to supply power to the equipment, an electric wire 302 is arranged on the storage battery 8, the other end of the electric wire 302 is connected with the first motor 204, the second motor 301 and the infrared detector body 7, and the storage battery 8 is used for supplying power to the equipment.

The first driving assembly 2 comprises a sliding block 201, a supporting rod 9 is fixed at the upper end of the bottom plate 6, a placing plate 1 is fixed at the other end of the supporting rod 9, a first motor 204 is arranged at the upper end of the placing plate 1, and the movement of the infrared detector body 7 is driven by the movement of the first motor 204.

In a specific design, an output shaft of the first motor 204 is connected with a first rotating shaft 209, the other end of the first rotating shaft 209 is fixedly connected to the rear end of the second rotating rod 206, the other end of the second rotating rod 206 is movably provided with a pinion 205 through a connecting rod, the placing plate 1 is fixed with a bull gear 210 through a second connecting rod 208, the bull gear 210 and the pinion 205 are meshed with each other, and the first motor 204 drives the first rotating shaft 209 to move, so that the pinion 205 moves on the bull gear 210.

It can be understood that, in this application, the other end of pinion 205 is fixed with first bull stick 203 through the connecting rod, the other end of first bull stick 203 is fixed with first connecting rod 202, be fixed with slider 201 on first connecting rod 202 and slider 201 activity is settled on spout 4, the lower extreme of slider 201 is fixed with bottom plate 6 through the connecting rod, spout 4 is fixed on bottom plate 6 through third connecting rod 207, thereby the motion of pinion 205 has driven the motion of slider 201 on spout 4, thereby the motion of bottom plate 6 of connecting slider 201 has been driven.

The working principle of the high-precision infrared thermal conductivity gas sensor is as follows: the upper end of the bottom plate 6 is provided with teeth and is meshed with the driving gear 303, so that the driving gear 303 moves by the movement of the second motor 301, the first motor 204 drives the first rotating shaft 209 to move, the pinion 205 moves on the big gear 210, the movement of the pinion 205 drives the slider 201 to move on the sliding groove 4, the movement of the bottom plate 6 connected with the slider 201 is driven, the fixed rod 5 is installed on a wall or is firm, and equipment parts are arranged in the fixed rod 5 to move so as to detect the object without dead angles by the infrared detector body 7. The fixing rod 5 is internally provided with a sliding groove 4, the sliding groove 4 is used for driving the infrared detector body 7 to move up and down by the first driving component 2, the sliding groove 4 is connected with a placing plate 1 through a third connecting rod 207, the lower end of the placing plate 1 is provided with the infrared detector body 7 to detect heat so as to work, the upper end of the placing plate 1 is connected with a second driving component 3 so that the infrared detector body 7 can move transversely, and the first driving component 2 and the second driving component 3 enable the infrared detector body 7 to move up and down and left and right so as to scan objects around without dead angles.

It should be noted that the specific model specification of the first motor 204 and the second motor 301 is PKP.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an infrared thermal conductivity gas sensor of high accuracy, includes two dead levers (5), its characterized in that: the inner ends of the two fixing rods (5) are respectively fixed with a sliding chute (4), the sliding chutes (4) are movably provided with a bottom plate (6), the bottom plate (6) is provided with a second driving component (3), the second driving component (3) comprises a second motor (301), an output shaft of the second motor (301) is connected with a second rotating shaft, the other end of the second rotating shaft is connected with the rotating shaft (304), the rotating shaft (304) is movably arranged on a case (305), the inner wall of the case (305) is movably provided with a plurality of rotating shafts (304), each rotating shaft (304) is fixedly provided with a driving gear (303), the lower end of the case (305) is provided with a bottom plate (6) in a sliding chute movable arrangement mode, the upper end of the bottom plate (6) is provided with a storage battery (8), and the lower end of the bottom plate (6) is fixedly provided with an infrared detector body (7), a first driving component (2) is arranged on the sliding groove (4).

2. A high accuracy infrared thermal conductivity gas sensor as claimed in claim 1, wherein: the upper end of bottom plate (6) is equipped with a plurality of teeth, every drive intermeshing between gear (303), the tooth that the upper end of bottom plate (6) was equipped with drive intermeshing between gear (303).

3. A high accuracy infrared thermal conductivity gas sensor as claimed in claim 1, wherein: be equipped with electric wire (302) on battery (8), the other end of electric wire (302) is connected with first motor (204), second motor (301) and infrared ray detector body (7).

4. A high accuracy infrared thermal conductivity gas sensor as claimed in claim 1, wherein: the first driving assembly (2) comprises a sliding block (201), a supporting rod (9) is fixed to the upper end of the bottom plate (6), a placing plate (1) is fixed to the other end of the supporting rod (9), and a first motor (204) is arranged at the upper end of the placing plate (1).

5. A high accuracy infrared thermal conductivity gas sensor as claimed in claim 4, wherein: the output shaft of first motor (204) has first pivot (209), the other end fixed connection of first pivot (209) is in the rear end of second bull stick (206), the other end of second bull stick (206) has pinion (205) through connecting rod activity arrangement, place board (1) is fixed with gear wheel (210) through second connecting rod (208), gear wheel (210) and pinion (205) intermeshing.

6. A high accuracy infrared thermal conductivity gas sensor as claimed in claim 5, wherein: the other end of the pinion (205) is fixed with a first rotating rod (203) through a connecting rod, the other end of the first rotating rod (203) is fixed with a first connecting rod (202), a sliding block (201) is fixed on the first connecting rod (202), the sliding block (201) is movably arranged on the sliding groove (4), the lower end of the sliding block (201) is fixed with a bottom plate (6) through the connecting rod, and the sliding groove (4) is fixed on the bottom plate (6) through a third connecting rod (207).