CN216771667U

CN216771667U - VOC gas detector

Info

Publication number: CN216771667U
Application number: CN202221124299.8U
Authority: CN
Inventors: 杨莎; 马金华; 邓欣欣; 刘静静; 付丽娟
Original assignee: Changyi Tianyuan Jiahui Environmental Technology Co ltd
Current assignee: Changyi Tianyuan Jiahui Environmental Technology Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-06-17
Anticipated expiration: 2032-05-12

Abstract

The utility model discloses a VOC gas detector, which relates to the technical field of VOC gas detection and comprises a detector body, wherein a filter box is arranged on one side of the detector body, the top of the filter box is connected with the detector body through an air duct, an installation frame is arranged in the filter box, a filter mechanism A is arranged at the bottom in the installation frame, a rectangular screen frame is arranged at the top in the installation frame, a drying agent is arranged in the rectangular screen frame, a filter mechanism B is arranged in the installation frame between the rectangular screen frame and the filter mechanism A, a strip-shaped cavity is formed in one side of the inner bottom surface of the installation frame, and a fixing mechanism is arranged in the strip-shaped cavity; according to the utility model, through the mutual matching use of the filtering mechanism A, the filtering mechanism B and the drying agent, impurities and moisture in the gas can be conveniently filtered, and the impurities and moisture in the gas can be prevented from influencing the structure of the VOC gas detection, so that the accuracy of the VOC gas data detection can be conveniently improved.

Description

VOC gas detector

Technical Field

The utility model relates to the technical field of VOC gas detection, in particular to a VOC gas detector.

Background

VOC is an english abbreviation for volatile organic compounds; VOCs in the general sense are commanding organic matters; however, the definition in the environmental protection sense means an active volatile organic compound, that is, a volatile organic compound which can generate harm, the VOC mainly includes substances such as alkane, alkene, aromatic hydrocarbon, aldehydes or ketones, and has special odor irritation, and part of the VOC is listed as carcinogens, such as vinyl chloride, benzene, polycyclic aromatic hydrocarbon, and the like, and part of the VOC also has a destructive effect on the ozone layer, such as chlorofluorocarbon and hydrochlorofluorocarbon, when detecting VOC gas in industry, a VOC gas detector needs to be used, while the existing VOC gas detector does not filter impurities and moisture in the VOC gas detector when in use, thereby affecting the accuracy of the detection data of the VOC gas; therefore, the above problems need to be solved and optimized.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a VOC gas detector.

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

a VOC gas detector comprises a detector body, wherein a filter box is arranged on one side of the detector body, the top of the filter box is connected with the detector body through an air guide pipe, an installation frame is arranged in the filter box, a filtering mechanism A is arranged at the bottom in the installation frame, a rectangular net frame is arranged at the top in the installation frame, a drying agent is arranged in the rectangular net frame, a filtering mechanism B is arranged in the installation frame between the rectangular net frame and the filtering mechanism A, a strip-shaped cavity is formed in one side of the inner bottom surface of the installation frame, and a fixing mechanism is arranged in the strip-shaped cavity;

the filter mechanism A comprises connecting blocks B which are symmetrically arranged in the mounting frame, and a filter screen B and a filter screen D are symmetrically arranged between the connecting blocks B;

the filtering mechanism B comprises connecting blocks A symmetrically arranged in the mounting frame, and a filtering net C and a filtering net A are symmetrically arranged between the connecting blocks A.

Preferably, the fixing mechanism comprises a sliding plate arranged in a strip-shaped cavity in a sliding mode and a connecting rod arranged on the bottom face of the sliding plate in a sliding mode, the bottom of the connecting rod movably penetrates through the strip-shaped cavity, a handle is arranged at the bottom of the connecting rod, a reset spring is sleeved on the outer wall of the connecting rod between the sliding plate and the strip-shaped cavity, a plurality of rectangular plates are arranged on the outer wall of the top of the connecting rod at equal intervals, an L-shaped slide way is formed in the inner wall of the strip-shaped cavity in a matched mode with the rectangular plates, a fixing assembly is arranged on the top face of each rectangular plate, a plurality of mounting grooves are formed in the inner wall of the mounting frame at equal intervals, fixing columns are arranged in the mounting grooves, and annular plates are arranged on one side face of the connecting block B, the connecting block A and one side face of the rectangular net frame in a matched mode with the fixing columns.

Preferably, the fixed subassembly is including setting up at the sleeve of rectangular plate top surface one side, slip setting fly leaf in the sleeve and setting up the dead lever at the fly leaf top surface, be equipped with the extrusion spring between fly leaf and the sleeve, connecting block B, connecting block A and rectangle screen frame another side all are equipped with the fixed plate, the rectangle opening with L type slide intercommunication is seted up to cooperation fixed plate on the installing frame inner wall.

Preferably, one side surface of the fixing plate is an inclined surface, the top surface of the fixing rod is an inclined surface, and the top surface of the fixing plate is matched with the fixing rod to form a fixing groove.

Preferably, rectangular sliding blocks are arranged on two side faces of the sliding plate, and rectangular sliding grooves are formed in the inner wall of the strip-shaped cavity in a matched mode with the rectangular sliding blocks.

Preferably, filter screen B and filter screen C are wavy, filter screen A and filter screen D comprise a plurality of V type filter screens, filter screen A and filter screen C's mesh diameter is less than filter screen B and filter screen D's mesh diameter.

Preferably, the rose box top surface is equipped with the case lid, the case lid bottom surface is equipped with sealed the pad, sealed even a plurality of rubber arch that are equipped with on the outer wall that fills up, the sealed groove of having seted up of the sealed pad of filter box top cooperation, sealed pad and seal groove cross section are trapezoidal form, rose box side bottom is equipped with the intake pipe.

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

1. according to the utility model, the filtering mechanism A, the filtering mechanism B and the drying agent are mutually matched for use, so that impurities and moisture in the gas can be conveniently filtered, and the impurities and moisture in the gas are prevented from influencing the structure of the VOC gas detection, thereby being convenient for improving the accuracy of the VOC gas data detection;

2. the fixing mechanism and the mounting frame are matched with each other for use, so that the mounting and dismounting of the filtering mechanism A, the filtering mechanism B and the rectangular screen frame are facilitated, the operation is simple and convenient, and the mounting or dismounting efficiency of the filtering mechanism A, the filtering mechanism B and the rectangular screen frame is further improved;

3. through the use of the sealing gasket, the sealing performance between the box cover and the filter box is convenient to improve, and the VOC gas leakage is avoided, so that the surrounding environment is protected conveniently.

Drawings

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

FIG. 2 is a schematic cross-sectional view of a filtration tank of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

Number in the figure: 1. a detector body; 2. an air duct; 3. a filter box; 4. a box cover; 5. an air inlet pipe; 6. a gasket; 7. installing a frame; 8. a desiccant; 9. a rectangular screen frame; 10. an annular plate; 11. a filter screen A; 12. a filter screen B; 13. a connecting rod; 14. connecting a block A; 15. a filter screen C; 16. connecting block B; 17. a filter screen D; 18. a handle; 19. a return spring; 20. a sliding plate; 21. a rectangular plate; 22. a sleeve; 23. a compression spring; 24. a movable plate; 25. a fixing plate; 26. and (5) fixing the 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.

Example (b): referring to fig. 1-3, a VOC gas detector comprises a detector body 1, a filter box 3 is arranged on one side of the detector body 1, the top of the filter box 3 is connected with the detector body 1 through an air duct 2, an installation frame 7 is arranged in the filter box 3, a filter mechanism a is arranged at the bottom in the installation frame 7, a rectangular screen frame 9 is arranged at the top in the installation frame 7, a drying agent 8 is arranged in the rectangular screen frame 9, and moisture in dry gas is convenient to dry through the use of the drying agent 8; a filtering mechanism B is arranged in the mounting frame 7 between the rectangular screen frame 9 and the filtering mechanism A, and the filtering mechanism A and the filtering mechanism B are mutually matched for use, so that impurities in the gas can be conveniently filtered, and the accuracy of VOC gas detection data can be conveniently improved; a strip-shaped cavity is formed in one side of the inner bottom surface of the mounting frame 7, a fixing mechanism is arranged in the strip-shaped cavity, the mounting and dismounting of the filtering mechanism A, the filtering mechanism B and the rectangular screen frame 9 are facilitated through the fixing mechanism, the operation is simple and convenient, and the mounting or dismounting efficiency of the filtering mechanism A, the filtering mechanism B and the rectangular screen frame 9 is further improved;

the filtering mechanism A comprises connecting blocks B16 symmetrically arranged in the mounting frame 7, and a filter screen B12 and a filter screen D17 are symmetrically arranged between the connecting blocks B16;

the filtering mechanism B comprises connecting blocks A14 symmetrically arranged in the mounting frame 7, and a filter screen C15 and a filter screen A11 are symmetrically arranged between the connecting blocks A14.

In the utility model, the fixing mechanism comprises a sliding plate 20 arranged in a strip-shaped cavity in a sliding mode and a connecting rod 13 arranged on the bottom surface of the sliding plate 20 in a sliding mode, the bottom of the connecting rod 13 movably penetrates through the strip-shaped cavity, a handle 18 is arranged at the bottom of the connecting rod 13, a reset spring 19 is sleeved on the outer wall of the connecting rod 13 between the sliding plate 20 and the strip-shaped cavity, a plurality of rectangular plates 21 are arranged on the outer wall of the top of the connecting rod 13 at equal intervals, L-shaped slideways are formed in the inner wall of the strip-shaped cavity in a matching mode with the rectangular plates 21, fixing components are arranged on the top surfaces of the rectangular plates 21, a plurality of mounting grooves are formed in the inner wall of the mounting frame 7 at equal intervals, fixing columns are arranged in the mounting grooves, and a connecting block B16, a connecting block A14 and one side surface of the rectangular net frame 9 are provided with the annular plates 10 in a matching mode with the fixing columns.

In the utility model, the fixing component comprises a sleeve 22 arranged on one side of the top surface of the rectangular plate 21, a movable plate 24 arranged in the sleeve 22 in a sliding manner and a fixing rod 26 arranged on the top surface of the movable plate 24, an extrusion spring 23 is arranged between the movable plate 24 and the sleeve 22, a fixing plate 25 is arranged on the other side surfaces of the connecting block B16, the connecting block A14 and the rectangular screen frame 9, and a rectangular opening communicated with the L-shaped slideway is arranged on the inner wall of the mounting frame 7 in a matching manner with the fixing plate 25.

In the utility model, one side surface of the fixing plate 25 is an inclined surface, the top surface of the fixing rod 26 is an inclined surface, and the top surface of the fixing plate 25 is provided with a fixing groove matched with the fixing rod 26, so that the fixing rod 26 can automatically fix the fixing plate 25.

In the utility model, rectangular sliding blocks are arranged on two side surfaces of the sliding plate 20, and rectangular sliding grooves are formed in the inner wall of the strip-shaped cavity in a matching manner with the rectangular sliding blocks, so that the sliding and limiting of the sliding plate 20 are facilitated.

In the utility model, the filter screen B12 and the filter screen C15 are wavy, and the filter screen A11 and the filter screen D17 are composed of a plurality of V-shaped filter screens, so that the contact area between the gas and the filter screen B12, the filter screen C15, the filter screen A11 and the filter screen D17 is increased, the gas is conveniently and effectively filtered, and the working efficiency of gas filtration is further improved; the mesh diameters of filter screen A11 and filter screen C15 are less than the mesh diameters of filter screen B12 and filter screen D17, are convenient for effectually filter impurity to improve gaseous purity, further be convenient for improve the accuracy of VOC gaseous detection data.

According to the utility model, the top surface of the filter box 3 is provided with the box cover 4, the bottom surface of the box cover 4 is provided with the sealing gasket 6, the outer wall of the sealing gasket 6 is uniformly provided with a plurality of rubber bulges, the top of the filter box 3 is provided with the sealing groove matched with the sealing gasket 6, the cross sections of the sealing gasket 6 and the sealing groove are both in a trapezoid shape, the bottom of one side surface of the filter box 3 is provided with the air inlet pipe 5, and through the use of the sealing gasket 6, the sealing property between the box cover 4 and the filter box 3 is improved, the VOC gas leakage is avoided, and the surrounding environment is protected conveniently.

The working principle is as follows: during operation, at first, install filtering mechanism A, filtering mechanism B and rectangle screen frame 9, specifically be: firstly, the connecting block B16, the connecting block A14 and the annular plate 10 on one side face of the rectangular screen frame 9 are hung on a mounting column in a mounting groove, then the connecting block B16, the connecting block A14 and the fixing plate 25 on the other side face of the rectangular screen frame 9 are inserted into the rectangular opening, when the fixing plate 25 is in contact with the fixing rod 26, the fixing rod 26 is pressed downwards, when the fixing rod 26 is superposed with the fixing groove, the fixing rod 26 is pressed into the fixing groove under the action of the extrusion spring 23, so that the fixing of the filtering mechanism A, the filtering mechanism B and the rectangular screen frame 9 is realized, the mounting of the filtering mechanism A, the filtering mechanism B and the rectangular screen frame 9 is further realized, the operation is simple and convenient, and the mounting working efficiency of the filtering mechanism A, the filtering mechanism B and the rectangular screen frame 9 is improved; then the box cover 4 is fixed on the top surface of the filter box 3 through bolts;

then, the gas is input into the bottom of the filter box 3 through the gas guide pipe 2, impurities in the gas can be removed through the filtering of the filtering mechanism A and the filtering mechanism B, then, the moisture in the gas can be removed through the drying agent 8, and the influence of the impurities and the moisture in the gas on the structure of VOC gas detection is avoided, so that the accuracy of VOC gas data detection is improved conveniently;

when filter mechanism A, filter mechanism B and rectangle screen frame 9 need be changed, take off case lid 4 earlier, then take out installing frame 7, stimulate handle 18 downwards again, drive connecting rod 13 through the removal of handle 18 and remove to drive rectangular plate 21 and remove, further make dead lever 26 and fixed plate 25 break away from, thereby relieve the fixed of dead lever 26 to fixed plate 25, thereby realize the dismantlement to filter mechanism A, filter mechanism B and rectangle screen frame 9.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a VOC gas detector, includes detector body (1), its characterized in that: the detector is characterized in that a filter box (3) is arranged on one side of the detector body (1), the top of the filter box (3) is connected with the detector body (1) through an air duct (2), an installation frame (7) is arranged in the filter box (3), a filtering mechanism A is arranged at the bottom in the installation frame (7), a rectangular net frame (9) is arranged at the top in the installation frame (7), a drying agent (8) is arranged in the rectangular net frame (9), a filtering mechanism B is arranged in the installation frame (7) between the rectangular net frame (9) and the filtering mechanism A, a strip-shaped cavity is formed in one side of the inner bottom surface of the installation frame (7), and a fixing mechanism is arranged in the strip-shaped cavity;

the filtering mechanism A comprises connecting blocks B (16) which are symmetrically arranged in the mounting frame (7), and a filtering net B (12) and a filtering net D (17) are symmetrically arranged between the connecting blocks B (16);

the filtering mechanism B comprises connecting blocks A (14) which are symmetrically arranged in the mounting frame (7), and a filtering net C (15) and a filtering net A (11) are symmetrically arranged between the connecting blocks A (14).

2. A VOC gas detector according to claim 1, wherein: the fixing mechanism comprises a sliding plate (20) arranged in the strip-shaped cavity in a sliding way and a connecting rod (13) arranged on the bottom surface of the sliding plate (20) in a sliding way, the bottom of the connecting rod (13) movably penetrates through the strip-shaped cavity, the bottom of the connecting rod (13) is provided with a handle (18), a return spring (19) is sleeved on the outer wall of the connecting rod (13) between the sliding plate (20) and the strip-shaped cavity, a plurality of rectangular plates (21) are arranged on the outer wall of the top of the connecting rod (13) at equal intervals, an L-shaped slideway is arranged on the inner wall of the strip-shaped cavity in a matching way with the rectangular plate (21), a fixing component is arranged on the top surface of the rectangular plate (21), a plurality of mounting grooves are arranged on the inner wall of the mounting frame (7) at equal intervals, fixed columns are arranged in the mounting grooves, and one side surfaces of the connecting block B (16), the connecting block A (14) and the rectangular screen frame (9) are matched with the fixing column and provided with annular plates (10).

3. A VOC gas detector according to claim 2, wherein: fixed subassembly is including setting up sleeve (22), the fly leaf (24) that slide setting in sleeve (22) and setting up dead lever (26) at fly leaf (24) top surface in rectangular plate (21) top surface one side, be equipped with extrusion spring (23) between fly leaf (24) and sleeve (22), connecting block B (16), connecting block A (14) and rectangle net frame (9) another side all are equipped with fixed plate (25), the rectangle opening with L type slide intercommunication is seted up in cooperation fixed plate (25) on installing frame (7) inner wall.

4. A VOC gas detector according to claim 3, wherein: one side surface of the fixing plate (25) is an inclined surface, the top surface of the fixing rod (26) is an inclined surface, and the top surface of the fixing plate (25) is matched with the fixing rod (26) to be provided with a fixing groove.

5. A VOC gas detector according to claim 2, wherein: rectangular sliding blocks are arranged on two side faces of the sliding plate (20), and rectangular sliding grooves are formed in the inner wall of the strip-shaped cavity in a matched mode with the rectangular sliding blocks.

6. A VOC gas detector according to claim 1, wherein: filter screen B (12) and filter screen C (15) are wavy, filter screen A (11) and filter screen D (17) comprise a plurality of V type filter screens, the mesh diameter of filter screen A (11) and filter screen C (15) is less than the mesh diameter of filter screen B (12) and filter screen D (17).

7. A VOC gas detector according to claim 1, wherein: rose box (3) top surface is equipped with case lid (4), case lid (4) bottom surface is equipped with sealed pad (6), it is protruding that even being equipped with a plurality of rubbers on sealed pad (6) outer wall, the sealed groove has been seted up in sealed pad (6) of rose box (3) top cooperation, sealed pad (6) and seal groove cross section are the trapezoidal form, rose box (3) a side bottom is equipped with intake pipe (5).