CN216718370U

CN216718370U - VOCs gas detection device

Info

Publication number: CN216718370U
Application number: CN202123352696.9U
Authority: CN
Inventors: 吴转璋
Original assignee: Anhui Ecological Environment Monitoring Center Anhui Heavy Pollution Weather Forecast And Early Warning Center
Current assignee: Anhui Ecological Environment Monitoring Center Anhui Heavy Pollution Weather Forecast And Early Warning Center
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-06-10
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to the technical field of gas detection, in particular to a VOCs gas detection device. VOCs gas detection device includes the protective housing, detection mechanism, seal assembly, air exhaust mechanism and fixed subassembly, cylinder fixed mounting is on the inner wall of protective housing, the one end of push rod and the output fixed connection of cylinder, the other end of push rod and the lateral wall fixed connection of detector, be used for going on the seal assembly who blocks to protective housing's exit in weather, install on the lateral wall of protective housing, an air exhaust mechanism for discharging gas into in the protective housing installs on the protective housing, fixed mounting has first connecting rod on the lateral wall of protective housing, the other end of first connecting rod is connected with fixed subassembly. The VOCs gas detection device provided by the utility model has the advantages that the detection equipment can be mounted on the stand column to be fixed in a suspension manner, the detection equipment is protected conveniently, and the detection equipment is prevented from being damaged and influenced by external factors.

Description

VOCs gas detection device

Technical Field

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

Background

VOCs generally refer to volatile organic compounds, generally divided into several categories including non-methane hydrocarbons, oxygen-containing organic compounds, halogenated hydrocarbons, nitrogen-containing organic compounds, sulfur-containing organic compounds and the like, participate in the formation of ozone and secondary aerosol in the atmospheric environment, which have important influence on regional atmospheric ozone pollution and PM2.5 pollution, most VOCs have special unpleasant odor and toxicity, irritation, teratogenicity and carcinogenesis, particularly benzene, toluene, formaldehyde and the like can cause great harm to human health, VOCs are important precursors causing urban haze and photochemical smog, and mainly come from the processes of coal chemical industry, petrochemical industry, fuel coating manufacturing, solvent manufacturing and using and the like.

In order to better protect the environment, the content of VOCs (volatile organic compounds) needs to be monitored in enterprises or factories. Today's detection devices are either directly inserted into the ground soil or fixed by adding a base at the ground. In windy and rainy days, the outdoor equipment is poor in stability and easy to scrape; even if the device is installed on a base indoors or outdoors, the device is easily mistakenly touched and damaged by the back and forth movement of people or vehicles.

Therefore, it is necessary to provide a new detecting device for detecting VOCs to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the VOCs gas detection device which can install detection equipment on an upright column to be fixed in a suspension manner, is convenient for protecting the detection equipment and avoids the detection equipment from being damaged and influencing detection due to the influence of external factors.

The utility model provides a VOCs gas detection device, comprising: a protective box;

the detection mechanism comprises an air cylinder, a push rod and a detector, the air cylinder is fixedly arranged on the inner wall of the protection box, one end of the push rod is fixedly connected with the output end of the air cylinder, the other end of the push rod is fixedly connected with the side wall of the detector, and an inlet and an outlet for the movement of the detector are formed in one end, away from the air cylinder, of the protection box;

the sealing assembly is used for blocking an inlet and an outlet of the protective box in the weather of wind and rain and is arranged on the side wall of the protective box;

the air exhaust mechanism is used for exhausting gas into the protective box and is arranged on the protective box;

the fixing assembly is arranged on the side wall of the protection box, a first connecting rod is fixedly mounted on the side wall of the protection box, and the other end of the first connecting rod is connected with the fixing assembly.

Preferably, seal assembly includes U template, torsional spring axle and closing plate, U template fixed mounting is equipped with on the lateral wall of importing and exporting one end at the guard box, the closing plate passes through torsional spring axle swing joint on the inside wall of U template, fixed mounting has the first magnetic sheet and the second magnetic sheet that the magnetic pole was inhaled mutually on the lateral wall of closing plate and the lateral wall of guard box.

Preferably, a protective ring is sleeved on the outer wall of the front end of the detector.

Preferably, the air exhaust mechanism comprises a fan, a filter screen, an exhaust pipe and a protection plate, the protection plate is fixedly installed at the top of the protection box, the fan is also fixedly installed at the top of the protection box, the filter screen is fixedly installed at an air outlet of the fan, which is located on the inner side of the protection box, and the exhaust pipe is fixedly installed at the bottom of the protection box.

Preferably, the inside of guard box still is equipped with the jam subassembly, the jam subassembly includes second connecting rod and baffle, the one end of second connecting rod is connected with the bottom of detector, the other end fixed mounting of second connecting rod has and is used for blockking the baffle of blast pipe.

Preferably, the fixed subassembly includes mount, screw rod and pressure pad, the one end fixed connection that the guard box was kept away from to mount and first connecting rod, equal threaded connection has the screw rod on the both ends lateral wall of mount, and is two sets of the screw rod is located the inboard end of screwing in of mount and all rotates and is connected with the pressure pad.

Preferably, the mount includes fixed frame, bent plate and bolt, the equal sliding connection in both sides of fixed frame has the bent plate, equal threaded connection has the bolt on the both ends lateral wall of fixed frame, just set up the constant head tank with bolt matched with on the lateral wall of bent plate.

Preferably, players are fixedly mounted on the side walls of the two ends of the protection box.

Compared with the related art, the VOCs gas detection device provided by the utility model has the following beneficial effects:

the utility model provides a VOCs gas detection device, which can suspend and fix a protective box on upright posts with different sizes through a fixing component, for example, an existing outdoor column body or even a stand support column of an indoor factory production line, so as to prevent the situation that the protective box is directly arranged on the ground and damaged due to wind and rain invasion or the collision of personnel and vehicles in a reciprocating and wrong way, and can also shield and protect a detection mechanism through the protective box; the air can be pumped into the protective box through the air pumping mechanism for detection, and the use is convenient and flexible.

Drawings

FIG. 1 is a schematic structural diagram of a VOCs gas detection device according to a preferred embodiment of the present invention;

FIG. 2 is a schematic diagram of the internal structure of the VOCs gas detection device shown in FIG. 1;

fig. 3 is an internal front view of the VOCs gas detection apparatus shown in fig. 1.

Reference numbers in the figures: 1. a protective box; 11. a first link; 2. a detection mechanism; 21. a cylinder; 22. a push rod; 23. a detector; 231. a guard ring; 3. a seal assembly; 31. a U-shaped plate; 32. a torsion spring shaft; 33. a sealing plate; 4. a plugging component; 41. a second link; 42. a baffle plate; 5. an air extraction mechanism; 51. a fan; 52. a filter screen; 53. an exhaust pipe; 54. a protection plate; 6. a fixing assembly; 61. a fixed mount; 611. a fixing frame; 612. a curved plate; 613. a bolt; 62. a screw; 63. a pressure pad; 7. positioning a groove; 8. a first magnetic plate; 9. a second magnetic plate; 9a and a player.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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 utility model and are not intended to limit the utility model.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

Referring to fig. 1 to fig. 3, a VOCs gas detecting apparatus according to an embodiment of the present invention includes: the device comprises a protective box 1, a detection mechanism 2, a sealing assembly 3, an air exhaust mechanism 5 and a fixing assembly 6, wherein the detection mechanism 2 is arranged in the protective box 1; sealing component 3 that is used for blockking the exit of protective housing 1 in weather is installed on the lateral wall of protective housing 1 for exhaust mechanism 5 with gas escape protective housing 1 installs on protective housing 1, and fixed mounting has first connecting rod 11 on the lateral wall of protective housing 1, and the other end of first connecting rod 11 is connected with fixed subassembly 6.

In the embodiment of the present invention, please refer to fig. 1 and 2, the detecting mechanism 2 includes an air cylinder 21, a push rod 22 and a detector 23, the air cylinder 21 is fixedly installed on the inner wall of the protective box 1, one end of the push rod 22 is fixedly connected with the output end of the air cylinder 21, the other end of the push rod 22 is fixedly connected with the side wall of the detector 23, and one end of the protective box 1 away from the air cylinder 21 is provided with an inlet and an outlet for the movement of the detector 23;

the sealing assembly 3 comprises a U-shaped plate 31, a torsion spring shaft 32 and a sealing plate 33, the U-shaped plate 31 is fixedly arranged on the side wall of one end, provided with an inlet and an outlet, of the protective box 1, the sealing plate 33 is movably connected to the inner side wall of the U-shaped plate 31 through the torsion spring shaft 32, and a first magnetic plate 8 and a second magnetic plate 9, of which the magnetic poles are attracted, are fixedly arranged on the side wall of the sealing plate 33 and the side wall of the protective box 1;

it should be noted that: taking the utility model installed in outdoor environment as an example: the protective box 1 can be fixed on an outdoor upright post, such as a frame support column of an existing outdoor device or even directly mounted on a trunk of an outdoor greening plant, when the weather is clear and the VOCs in the air are detected, the air cylinder 21 can be started to work, the detector 23 is pushed out of the protective box 1 through the push rod 22, when the detector 23 is in contact with the sealing plate 33, the sealing plate 33 can be pushed to turn outwards, so that the detector 23 can be placed outside to detect the VOCs in the air, when the weather is rainy, the air cylinder 21 is controlled to retract the detector 23 into the protective box 1 through the push rod 22, the detector 23 is protected through the protective box 1, when the detector 23 is retracted into the protective box 1, the torsion spring shaft 32 can drive the sealing plate 33 to turn downwards to reset to be abutted against the side wall of the protective box 1, and is adsorbed together through the first magnetic plate 8 and the second magnetic plate 9, so as to improve the stability of the sealing plate 33, shielding protection of the protective box 1 and the detector 23 inside it is facilitated.

Wherein, a protective ring 231 is sleeved on the outer wall of the front end of the detector 23; when the detector 23 moves to contact with the sealing plate 33, the protective ring 231 can protect the detector 23 and prevent the detector 23 from being damaged due to long-term contact and collision with the sealing plate 33.

In the embodiment of the present invention, please refer to fig. 2 and 3, the air exhaust mechanism 5 includes a fan 51, a filter screen 52, an exhaust pipe 53 and a protection plate 54, the protection plate 54 is fixedly installed on the top of the protection box 1, the fan 51 is also fixedly installed on the top of the protection box 1, the filter screen is fixedly installed at the air outlet of the fan 51 located at the inner side of the protection box 1, and the exhaust pipe 53 is fixedly installed at the bottom of the protection box 1;

a blocking assembly 4 is further arranged inside the protective box 1, the blocking assembly 4 comprises a second connecting rod 41 and a baffle 42, one end of the second connecting rod 41 is connected with the bottom of the detector 23, and the other end of the second connecting rod 41 is fixedly provided with the baffle 42 for blocking the exhaust pipe 53;

it should be noted that: when weather detector 23 withdraws in protective housing 1, need detect VOCs again, can start fan 51 work and draw the air suction side by side to protective housing 1, and can filter the large granule impurity in the air and block through filter screen 52, then just can let detector 23 alright detect VOCs in protective housing 1's inside, and meanwhile cylinder 21 can also work and drive detector 23 round trip movement, not only be convenient for detector 23 can detect the air of each position in protective housing 1, can also drive baffle 42 round trip movement through second connecting rod 41, continuous blockking blast pipe 53 and releasing, let the air can intermittent type arrange to the external world from blast pipe 53, thereby can improve the residence time of gas in protective housing 1, further be convenient for detector 23 can detect more accurately to VOCs in the gas.

In an embodiment of the present invention, referring to fig. 1 and fig. 2, the fixing assembly 6 includes a fixing frame 61, screws 62 and pressure pads 63, the fixing frame 61 is fixedly connected to one end of the first connecting rod 11 away from the protection box 1, the side walls of both ends of the fixing frame 61 are both in threaded connection with the screws 62, and the screwing ends of the two sets of screws 62 located inside the fixing frame 61 are both rotatably connected with the pressure pads 63;

the fixing frame 61 comprises a fixing frame 611, a curved plate 612 and a bolt 613, the curved plate 612 is connected to both sides of the fixing frame 611 in a sliding manner, the bolt 613 is connected to both side walls of both ends of the fixing frame 611 in a threaded manner, and a positioning groove 7 matched with the bolt 613 is formed in the side wall of the curved plate 612;

it should be noted that: arrange the stand in the inboard of mount 61, then rotate two sets of screws 62 and precession to the inboard of mount 61, thereby can drive two sets of pressure pads 63 and remove and offset with the stand, with the tight centre gripping of mount 61 on the stand, and then fixed protective housing 1, need not fix equipment in soil or base, and can also take curved plate 612 out from fixed frame 611, be convenient for adjust the width of mount 61, then rotate bolt 613 again and offset with constant head tank 7 on curved plate 612 lateral wall, the mount 61 that will adjust locks, can realize protective housing 1's final positioning.

Wherein, players 9a are fixedly arranged on the side walls of the two ends of the protective box 1; the warning language can be played through the player 9a so as to remind the coming and going people or vehicles and prevent the equipment from being damaged due to mistaken collision.

The working principle of the VOCs gas detection device provided by the utility model is as follows:

the upright post is arranged on the inner side of the fixing frame 61, then the two groups of screw rods 62 are rotated to screw into the inner side of the fixing frame 61, so that the two groups of pressure pads 63 can be driven to move to abut against the upright post, the fixing frame 61 is tightly clamped on the upright post, the protective box 1 can be fixed on the upright post without fixing equipment in soil or a base, the curved plate 612 can be drawn out of the fixing frame 611 to facilitate adjustment of the width of the fixing frame 61, then the bolt 613 is rotated to abut against the positioning groove 7 on the side wall of the curved plate 612 to lock the adjusted fixing frame 61, and the protective box 1 is conveniently fixed on the upright posts with different sizes;

when VOCs in air is detected in sunny weather, the air cylinder 21 can be started to work, the detector 23 is pushed out of the protective box 1 through the push rod 22, when the detector 23 is in contact with the sealing plate 33, the sealing plate 33 can be pushed to turn outwards, so that the detector 23 can be placed outside to detect the VOCs in the air, when weather is rainy, the air cylinder 21 is controlled to retract the detector 23 into the protective box 1 through the push rod 22, the detector 23 is protected through the protective box 1, when the detector 23 retracts into the protective box 1, the torsion spring shaft 32 can drive the sealing plate 33 to turn downwards to reset to abut against the side wall of the protective box 1, the sealing plate 33 is adsorbed together through the first magnetic plate 8 and the second magnetic plate 9, the stability of the sealing plate 33 is improved, the protective box 1 and the detector 23 on the inner side of the protective box 1 are shielded and protected, when the detector 23 moves to be in contact with the sealing plate 33, the detector 23 can be protected through the protective ring 231, prevent the detector 23 from contacting and colliding with the sealing plate 33 for a long time to be damaged;

when the weather detector 23 is retracted into the protective casing 1, and VOCs are to be detected, blower 51 may be activated to draw air in and exhaust it into protective enclosure 1, while large particles of impurities in the air may be filtered and blocked by filter screen 52, the detector 23 may then be allowed to detect VOCs inside the shielding cage 1, meanwhile, the air cylinder 21 can also work to drive the detector 23 to move back and forth, so that the detector 23 can detect air at each position in the protective box 1, the baffle plate 42 can be driven to move back and forth through the second connecting rod 41, the exhaust pipe 53 is continuously blocked and released, and the air can be intermittently exhausted to the outside from the exhaust pipe 53, thereby can improve the residence time of gas in protective housing 1, the detector 23 of being further convenient for can detect the VOCs in the gas more accurately.

The circuits and controls involved in the present invention are prior art and will not be described in detail herein.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A VOCs gas detection device, comprising:

a protective box (1);

the detection mechanism (2) comprises an air cylinder (21), a push rod (22) and a detector (23), the air cylinder (21) is fixedly installed on the inner wall of the protection box (1), one end of the push rod (22) is fixedly connected with the output end of the air cylinder (21), the other end of the push rod (22) is fixedly connected with the side wall of the detector (23), and an inlet and an outlet for the detector (23) to move are formed in one end, far away from the air cylinder (21), of the protection box (1);

the sealing assembly (3) is used for blocking an inlet and an outlet of the protective box (1) in the weather of wind and rain, and the sealing assembly (3) is arranged on the side wall of the protective box (1);

the air exhaust mechanism (5) is used for exhausting gas into the protective box (1), and the air exhaust mechanism (5) is arranged on the protective box (1);

the protective box comprises a fixing component (6), wherein a first connecting rod (11) is fixedly mounted on the side wall of the protective box (1), and the other end of the first connecting rod (11) is connected with the fixing component (6).

2. A VOCs gas detection apparatus as claimed in claim 1, wherein the sealing assembly (3) comprises a U-shaped plate (31), a torsion spring shaft (32) and a sealing plate (33), the U-shaped plate (31) is fixedly mounted on a side wall of the protection box (1) at one end provided with the inlet and outlet, the sealing plate (33) is movably connected to an inner side wall of the U-shaped plate (31) through the torsion spring shaft (32), and a first magnetic plate (8) and a second magnetic plate (9) which attract each other are fixedly mounted on the side wall of the sealing plate (33) and the side wall of the protection box (1).

3. A VOCs gas detection apparatus as claimed in claim 2 wherein a guard ring (231) is sleeved on the outer wall of the front end of the detector (23).

4. A VOCs gas detection device according to claim 1, wherein the air exhaust mechanism (5) comprises a fan (51), a filter screen (52), an exhaust pipe (53) and a protection plate (54), the protection plate (54) is fixedly installed at the top of the protection box (1), the fan (51) is also fixedly installed at the top of the protection box (1), the filter screen is fixedly installed at an air outlet of the fan (51) located at the inner side of the protection box (1), and the exhaust pipe (53) is fixedly installed at the bottom of the protection box (1).

5. A VOCs gas detection device according to claim 4, wherein the inside of the protection box (1) is further provided with a blocking component (4), the blocking component (4) comprises a second connecting rod (41) and a baffle (42), one end of the second connecting rod (41) is connected with the bottom of the detector (23), and the other end of the second connecting rod (41) is fixedly provided with the baffle (42) for blocking the exhaust pipe (53).

6. The VOCs gas detection device according to claim 1, wherein the fixing assembly (6) comprises a fixing frame (61), screws (62) and pressure pads (63), the fixing frame (61) is fixedly connected with one end of the first connecting rod (11) far away from the protection box (1), the screws (62) are connected to the side walls of the two ends of the fixing frame (61) in a threaded manner, and the screwing ends of the two sets of screws (62) located on the inner side of the fixing frame (61) are rotatably connected with the pressure pads (63).

7. A VOCs gas detection device according to claim 6, wherein the fixing frame (61) comprises a fixing frame (611), a curved plate (612) and a bolt (613), the curved plate (612) is slidably connected to both sides of the fixing frame (611), the bolt (613) is threadedly connected to both side walls of the fixing frame (611), and a positioning groove (7) matched with the bolt (613) is formed in the side wall of the curved plate (612).

8. A VOCs gas detection apparatus as claimed in claim 1, wherein players (9a) are fixedly mounted on both side walls of the shielding box (1).