CN213121598U

CN213121598U - Gas detection device for environmental engineering

Info

Publication number: CN213121598U
Application number: CN202022128259.8U
Authority: CN
Inventors: 盛雅
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-05-04
Anticipated expiration: 2030-09-24

Abstract

The utility model relates to a gaseous technical field that detects especially relates to a gaseous detection device of environmental engineering, including first casing and second casing, the inside left side of first casing is provided with the infrared light source to the inside right side of first casing is provided with infrared sensor, be provided with the air chamber between infrared sensor and the infrared light source, and the top of air chamber is for lining up the structure, one side of air chamber bottom is provided with the air outlet nozzle to the top of air chamber contacts with the inboard top of second casing. The utility model discloses a set up the air chamber into the top and link up the structure and mutually support the gaseous detection cabin that forms the completion with the second casing, the open structure after the split is convenient for clear up the air chamber is inside, guarantees the inside clean of air chamber to guarantee to detect the precision, adopt to press to detain and detain to realize being connected between first casing and the second casing along the cooperation fixed, the dismouting operation is very convenient, thereby is convenient for to the maintenance operation of equipment.

Description

Gas detection device for environmental engineering

Technical Field

The utility model relates to a gaseous detection technology field especially relates to a gaseous detection device for environmental engineering.

Background

Environmental engineering is a branch of environmental science, mainly studies how to protect and reasonably utilize natural resources, utilizes scientific means to solve increasingly serious environmental problems, improves environmental quality, promotes environmental protection and social development, is a scientific technology for studying and working on preventing and treating environmental pollution and improving environmental quality, is related to ecology in biology, environmental hygiene in medicine and environmental medicine, environmental physics and environmental chemistry, and is in the initial stage of environmental engineering, the field of disciplines is still developing, but the core of the environmental engineering is the management of environmental pollution sources, and a gas detection device is one of common equipment in environmental engineering.

In the prior art, various gas detectors in the market are integrated parts, a gas measuring chamber is formed by an integral component and is integrated between a sensor and a light source, dust particles and the like are easily accumulated in the gas measuring chamber in the using process, the measuring precision is influenced, the cleaning operation is inconvenient, and the disassembly and the maintenance are difficult, so that the gas detecting device for the environmental engineering is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gas detection device for environmental engineering.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a gas detection device for environmental engineering, includes first casing and second casing, the inside left side of first casing is provided with infrared light source to the inside right side of first casing is provided with infrared sensor, be provided with the air chamber between infrared sensor and the infrared light source, and the top of air chamber is for lining up the structure, one side of air chamber bottom is provided with the air outlet nozzle to the top of air chamber contacts with the inboard top of second casing, the air inlet has been seted up to one side that the air outlet nozzle was kept away from at second casing top, the front and the back of first casing all are provided with presses and detain to the front of second casing all be provided with the back and press the knot edge of detaining the looks adaptation.

Preferably, a fan is fixedly connected to the inside of the first housing, and an air inlet of the fan is in contact with the air outlet nozzle.

Preferably, a through groove matched with the air outlet nozzle is formed in one side of the top of the first shell.

Preferably, first bar-shaped grooves are formed in the front side and the back side of the air chamber, and first limiting convex strips matched with the first bar-shaped grooves are arranged on the two sides of the inner side of the second shell.

Preferably, the second bar groove has all been seted up with the both sides at the back to the first casing openly to the inboard both sides of second casing all are provided with the spacing sand grip of second with second bar groove looks adaptation.

Preferably, a sliding cover is slidably connected to the top of the second housing, and a damping device is arranged between the sliding cover and the second housing.

The utility model discloses possess following beneficial effect at least:

through setting up the air chamber to the top through the structure and mutually support with the second casing and form the gaseous detection cabin of accomplishing, the open structure after the split is convenient for clear up the air chamber is inside, guarantees the inside cleanness of air chamber to guarantee to detect the precision, adopt to press to detain and detain to realize being connected between first casing and the second casing along the cooperation fixed, the dismouting operation is very convenient, thereby is convenient for to the maintenance operation of equipment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

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

FIG. 2 is a cross-sectional view of the structure of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a first housing; 2. a second housing; 3. an infrared light source; 4. an infrared sensor; 5. an air chamber; 6. an air outlet nozzle; 7. an air inlet; 8. pressing and buckling; 9. buckling edges; 10. a fan; 11. a through groove; 12. a first bar-shaped groove; 13. a first limit convex strip; 14. a second strip groove; 15. a second limit convex strip; 16. a slide cover.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, a gas detection device for environmental engineering, comprising a first housing 1 and a second housing 2, wherein an infrared light source 3 is disposed on the left side inside the first housing 1, an infrared sensor 4 is disposed on the right side inside the first housing 1, a gas chamber 5 is disposed between the infrared sensor 4 and the infrared light source 3, the top of the gas chamber 5 is a through structure, a gas outlet nozzle 6 is disposed on one side of the bottom of the gas chamber 5, the top of the gas chamber 5 contacts with the top of the inner side of the second housing 2, a gas inlet 7 is disposed on one side of the top of the second housing 2 away from the gas outlet nozzle 6, a press buckle 8 is disposed on the front and the back of the first housing 1, a buckle edge 9 adapted to the press buckle 8 is disposed on the front and the back of the second housing 2, a charging source, a display, a control chip and other necessary components are disposed inside the first housing 1 to achieve the complete function, this is the prior art and will not be described in detail, and the pressing buckle 8 is disposed on the surface of the first housing 1 through a torsion spring.

The scheme has the following working processes:

when in use, the sliding cover 16 is opened to expose the air inlet 7, the fan 10 is started to draw out the air in the air chamber 5 through the air outlet nozzle 6, the outside air enters the air chamber 5 through the air inlet 7, the infrared light source 3 emits infrared light, the infrared sensor 4 detects the infrared light, the gas detection is realized by the basic principle of the infrared spectrum detection method, residual particle impurities can be remained on the inner wall of the gas chamber 5 after the gas detection device is used, the two press buttons 8 can be pinched to enable the front ends of the press buttons to be tilted, can separate second casing 2, air chamber 5 and first casing 1, but 2 air chambers 5 inboards of second casing are cleared up, first spacing sand grip 13 on aiming at second casing 2 with first bar groove 12 on the air chamber 5 after the clearance is accomplished links up, again with the spacing sand grip 15 of second on the second casing 1 aim at the second bar groove 14 on the first casing 1 and link up, detain the installation operation after the clearance along 9 promptly to detain on the second casing 2 through the pressure knot 8.

Further, the fan 10 is fixedly connected to the inside of the first casing 1, an air inlet of the fan 10 is in contact with the air outlet nozzle 6, the fan 10 draws out air inside the air chamber 5 through the air outlet nozzle 6, and outside air enters the air chamber 5 through the air inlet 7.

Further, a through groove 11 matched with the air outlet nozzle 6 is formed in one side of the top of the first shell 1, and the through groove 11 is used for connection between the air outlet nozzle 6 and the fan 10, so that the positioning effect of the air chamber 5 is further enhanced.

Further, first bar-shaped grooves 12 are formed in the front face and the back face of the air chamber 5, first limiting protruding strips 13 matched with the first bar-shaped grooves 12 are arranged on the two inner sides of the second shell 2, and the air chamber 5 and the second shell 2 can be connected and positioned by mutually matching the first bar-shaped grooves 12 and the first limiting protruding strips 13.

Further, second bar groove 14 has all been seted up with the both sides at the back to first casing 1 openly to the both sides of 2 inboards of second casing all are provided with the spacing sand grip 15 of second with the 14 looks adaptations of second bar groove, can realize linking location between first casing 1 and the second casing 2 through the spacing sand grip 15 of second bar groove 14 and second mutually supporting, thereby realize the position relation between air chamber 5 and the first casing 1 after linking up and prescribe a limit to.

Further, a sliding cover 16 is slidably connected to the top of the second housing 2, and the sliding cover 16 and the second housing 2 are in damping arrangement, so that the air inlet 7 on the second housing 2 can be shielded by sliding the sliding cover 16.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment 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. A gas detection device for environmental engineering comprises a first shell (1) and a second shell (2), it is characterized in that an infrared light source (3) is arranged on the left side in the first shell (1), an infrared sensor (4) is arranged on the right side in the first shell (1), an air chamber (5) is arranged between the infrared sensor (4) and the infrared light source (3), the top of the air chamber (5) is a through structure, one side of the bottom of the air chamber (5) is provided with an air outlet nozzle (6), and the top of the air chamber (5) is in contact with the top of the inner side of the second housing (2), an air inlet (7) is arranged on one side of the top of the second shell (2) far away from the air outlet nozzle (6), the front and the back of the first shell (1) are both provided with a pressing buckle (8), and the front surface and the back surface of the second shell (2) are both provided with a buckle edge (9) matched with the pressing buckle (8).

2. The gas detection device for environmental engineering according to claim 1, wherein a fan (10) is fixedly connected to the inside of the first housing (1), and an air inlet of the fan (10) is in contact with the air outlet nozzle (6).

3. The gas detection device for environmental engineering according to claim 2, wherein a through groove (11) matched with the gas outlet nozzle (6) is formed in one side of the top of the first housing (1).

4. The gas detection device for environmental engineering according to claim 1, wherein the air chamber (5) has first bar-shaped grooves (12) on both sides of the front and back surfaces thereof, and the second housing (2) has first limiting convex strips (13) on both sides of the inner side thereof, the first limiting convex strips being adapted to the first bar-shaped grooves (12).

5. The gas detection device for environmental engineering according to claim 1, wherein the first casing (1) has second strip-shaped grooves (14) formed on both sides of the front surface and the back surface thereof, and the second casing (2) has second limiting convex strips (15) disposed on both sides of the inner side thereof and adapted to the second strip-shaped grooves (14).

6. The gas detection device for environmental engineering according to claim 1, wherein a sliding cover (16) is slidably connected to the top of the second housing (2), and a damping device is arranged between the sliding cover (16) and the second housing (2).