CN219590279U

CN219590279U - VOC gas detection device

Info

Publication number: CN219590279U
Application number: CN202320800137.XU
Authority: CN
Inventors: 全灿; 李斌; 仁宗明; 李砚耕; 曹凯; 魏海通; 马辉; 张志超
Original assignee: Zhonghuan Shengda Environmental Protection Technology Group Qingyun Co ltd
Current assignee: Zhonghuan Shengda Environmental Protection Technology Group Qingyun Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-08-25
Anticipated expiration: 2033-04-12

Abstract

The utility model provides a VOC gas detection device, which comprises a detection structure, wherein two ends of the bottom of the detection structure are fixedly connected with a base, one side of the detection structure is fixedly connected with a manual control structure, the other side of the detection structure is communicated with one end of a first electromagnetic valve, the other end of the first electromagnetic valve is communicated with a gas collection structure, the top of the detection structure far away from the manual control structure is fixedly connected with a detector, and the detection end of the detector is arranged in a first perforation formed on one side of the detection structure, so that the detection device has the beneficial effects that: the first electromagnetic valve and the second electromagnetic valve are opened, meanwhile, a part of air is sucked into the air collecting bag through the intervention of the fan, the air collecting bag can store VOC waste gas in different time periods, the trigger switch is triggered to detect after the air collecting bag is inflated to a certain degree, and finally, the average concentration value is obtained, so that the pollution index of the VOC waste gas can not exceed the standard.

Description

VOC gas detection device

Technical Field

The utility model relates to a VOC gas detection device, and belongs to the field of gas detection equipment.

Background

A large amount of polluted waste gas such as sulfur, nitrogen and other compounds, dust, VOC and the like can be generated in industrial waste gas, most carbon-containing compounds in the VOC waste gas can pollute the air if being directly discharged, people always detect the content of the polluted gas through a detection device in the industry, industrial equipment is continuously discharged in the operation process, and the industrial waste gas has more or less discharge in different time periods in the operation process, for the VOC polluted gas detector in the current market, a photo-ion gas sensor is adopted to detect organic volatile matters, the VOC gas is collected by manually holding the gas detector in a place needing to be detected, the VOC gas has a certain harm to a human body and can not always enter the place with high VOC gas concentration, meanwhile, the manual collection can only collect the current VOC gas concentration condition, the current VOC gas concentration condition can be inaccurate when the emission amount of different time periods is different, the current VOC gas concentration condition needs to be collected in a fixed time period, thus mixing is carried out, detection is carried out, finally, a VOC gas detection device is needed to detect the industrial waste gas at fixed time, and the average VOC gas concentration is detected, and the average VOC gas concentration is obtained.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a VOC gas detection device so as to solve the problem that the manual collection provided in the background art only can collect the current VOC gas concentration, and the manual collection of the current VOC gas concentration is inaccurate when the emission amount of different time periods is different.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a gaseous detection device of VOC, includes the detection structure, detection structure bottom both ends are connected fixedly with the base, detection structure one side is connected fixedly with manual control structure, detection structure opposite side and first solenoid valve one end intercommunication, first solenoid valve other end and gas collection structure intercommunication keep away from the detection structure top and the detector of manual control structure are connected fixedly, the detection end setting of detector is in the first perforation of detection structure one side seting up.

Further, the detection structure comprises a detection tank body, one side of the inner wall of the detection tank body is fixedly connected with one end of a telescopic elastic piece, the other end of the telescopic elastic piece is fixedly connected with a movable plug, an annular groove is formed in an outer ring of the movable plug, the annular groove is fixedly connected with an inner ring of a rubber plug, the outer ring of the rubber plug is attached to the inner wall of the detection tank body, the side, far away from the gas collecting structure, of the detection tank body is provided with a second perforation, the second perforation is in sliding connection with a manual control structure, the manual control structure is fixedly connected with the middle position of the movable plug, a third perforation is formed in the lower end of one side of the detection tank body, the third perforation is fixedly connected with one end of an input pipeline, the other end of the input pipeline is communicated with a first electromagnetic valve, a sliding groove is formed in the input pipeline, the sliding groove is in sliding connection with the sliding sleeve, and a gas guide hole is formed in the upper end of the sliding sleeve.

Further, the gas collecting structure comprises a gas collecting tank body, a gas collecting bag is arranged at the lower end of the gas collecting tank body, one side of the gas collecting bag is communicated with one end of a gas pipeline, the gas pipeline penetrates through a fourth perforation formed in the gas collecting tank body and is communicated with a first electromagnetic valve, the other side of the gas collecting bag is in contact with a trigger switch, a baffle is arranged at the upper end of the gas collecting bag, the baffle is fixedly connected with the inner wall of the gas collecting tank body, a fan is mounted on the baffle, the air inlet end of the fan is communicated with one end of an air inlet pipe, the air inlet pipe is communicated with a second electromagnetic valve, the other end of the air inlet pipe penetrates through a fifth perforation formed in the top of the gas collecting tank body and is communicated with a gas collecting head, the air outlet end of the fan is communicated with the gas pipeline, and the gas pipeline penetrates through a sixth perforation formed in the baffle and is communicated with the gas pipeline.

Further, the gas collecting head is of a semicircular structure, and a plurality of through round holes are formed in the surface of the gas collecting head at equal intervals.

Further, the manual control structure comprises a control rod, one end of the control rod penetrates through the second through hole to be fixedly connected with the middle position of one side of the movable plug, and the other end of the control rod is fixedly connected with the control handle.

Further, the control rod both sides are equipped with the support column, support column one end is connected fixedly with detection jar body one side, the support column other end with offer the spout that runs through, spout and sliding block sliding connection, two sliding block one end is connected through the clamping rod, clamping rod and control rod surface open and set up the joint groove joint.

The utility model has the beneficial effects that: the first electromagnetic valve and the second electromagnetic valve are opened, meanwhile, a part of air is sucked into the air collecting bag through the intervention of the fan, the air collecting bag can store VOC waste gas in different time periods, the trigger switch is triggered to detect after the air collecting bag is inflated to a certain degree, and finally, the average concentration value is obtained, so that the pollution index of the VOC waste gas can not exceed the standard.

Under the outage condition, the problem of needing to detect its place VOC gas concentration can pass through manual control structure, through pulling the control handle, the control handle drives the control lever and causes movable stopper and rubber stopper to remove to thereby make gaseous being drawn into and detect jar body so that the detector can detect gas.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of a VOC gas detection apparatus according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a VOC gas detection apparatus according to the present utility model;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is an enlarged view at B in FIG. 2;

in the figure: 1-detection structure, 101-detection tank body, 102-flexible elastic piece, 103-movable plug, 104-rubber plug, 105-sliding sleeve, 106-air vent, 107-sliding groove, 108-input pipeline, 2-detector, 3-gas collecting structure, 301-gas collecting tank body, 302-gas collecting bag, 303-trigger switch, 304-gas transmission pipeline, 305-air inlet pipeline, 306-gas collecting head, 307-second electromagnetic valve, 308-air inlet pipe-, 309-fan, 4-first electromagnetic valve, 5-base, 6-manual control structure, 601-control rod, 602-control handle, 603-sliding block, 604-clamping rod, 605-support column and 606-clamping groove.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides a gaseous detection device of VOC, including columniform detection structure 1, detection structure 1 bottom both ends are fixed through bolted connection with letting the base 5 of overall structure stability, detection structure 1 one side is fixed through bolted connection with manual control structure 6, detection structure 1 opposite side and the intercommunication of first solenoid valve 4 one end, it gets into detection structure 1 to control gas through solenoid valve 4, the first solenoid valve 4 other end and columniform gas collection structure 3 intercommunication, keep away from the detection structure 1 top and the detector 2 connection fixed through the bolt of manual control structure 6, detector 2 is the GT-903-VOC type detector 2 of Shenzhen Kerno electronic technology limited company production, the detection end setting of detector 2 is in the first perforation of seting up in detection structure 1 one side.

Referring to fig. 2 and 4, the detecting structure 1 includes a detecting cylinder 101, one side of the inner wall of the detecting cylinder 101 is fixedly connected with one end of a telescopic elastic member 102, the telescopic elastic member 102 is a structure formed by sleeving a spring on an outer ring of a three-section telescopic rod, the rubber plug 104 and the movable plug 103 can uniformly move backwards through the telescopic elastic member 102, thereby preventing the leakage of VOC gas, the other end of the telescopic elastic member 102 is fixedly connected with the disc-shaped movable plug 103, an annular groove is formed on the outer ring of the movable plug 103, the annular groove is fixedly connected with the inner ring of the annular rubber plug 104, the VOC gas is prevented from leaking to the other side of the movable plug 103 after entering the detecting cylinder 101 through the rubber plug 104, the outer ring of the rubber plug 104 is jointed with the inner wall of the detecting cylinder 101, the rubber plug 104 and the detecting cylinder 101 can slide when jointed, the second perforation is offered to detection jar body 101 one side of keeping away from gas collection structure 3, second perforation and manual control structure 6 sliding connection, can utilize manual control structure 6 to detect under the outage condition, manual control structure 6 is fixed with movable plug 103 intermediate position connection, the third perforation is offered to detection jar body 101 one side lower extreme that is close to gas collection structure 3, the third perforation is fixed with input pipeline 108 one end connection, the input pipeline 108 other end and first solenoid valve 4 intercommunication, input pipeline 108 is offered the symmetry and is offered sliding groove 107, sliding groove 107 and sliding sleeve 105 sliding connection, air vent 106 is offered to the sliding sleeve 105 upper end, the VOC gas can be upwards blown through air vent 106 after getting into detection jar body 101, thereby faster with the detector 2 detection end contact of upper end.

Referring to fig. 2, the gas collecting structure 3 includes a cylindrical gas tank 301, a gas collecting bag 302 is disposed at the lower end of the inner portion of the gas tank 301, the gas collecting bag 302 is a member made of rubber material, VOC gas can cause the gas collecting bag 302 to expand gradually after entering the gas collecting bag 302, one side of the gas collecting bag 302 is communicated with one end of a gas pipe 304, the gas pipe 304 passes through a fourth through hole formed in the gas tank 301 and is communicated with a first electromagnetic valve 4, the other side of the gas collecting bag 302 contacts with a trigger switch 303, the gas collecting bag 302 triggers the trigger switch 303 to cause the first electromagnetic valve 4 to open after expanding, a baffle is disposed at the upper end of the gas collecting bag 302, the baffle plays a role of a platform, and further protects the gas collecting bag 302 at the lower end of the baffle, the baffle is fixedly connected with the inner wall of the gas collecting tank 301, a fan 309 is mounted on the baffle, the air inlet end of the fan 309 is communicated with one end of the air inlet pipe 308, the air inlet pipe 308 is communicated with the second electromagnetic valve 307, the second electromagnetic valve 307 is closed when not in use, so that air is prevented from entering the fan 309 and the air collecting bag 302, the air collecting bag 302 and the fan 309 are prevented from aging, the other end of the air inlet pipe 308 penetrates through a fifth through hole formed in the top of the air collecting tank 301 to be communicated with the air collecting head 306, the air collecting head 306 is of a semicircular structure, a plurality of through round holes are formed in the surface of the air collecting head 306 at equal intervals, VOC gas can be adsorbed on the fan 309 in a more comprehensive mode through the air collecting head, the air outlet end of the fan 309 is communicated with the air inlet pipeline 305, and the air inlet pipeline 305 penetrates through a sixth through hole formed in the baffle to be communicated with the air conveying pipeline 304. The electromagnetic control valve can be controlled by electronic equipment so as to detect VOC gas.

Referring to fig. 4, the manual control structure 6 includes a cylindrical control rod 601, one end of the control rod 601 passes through the second through hole and is connected and fixed with one middle position of one side of the disc-shaped movable plug 103, the other end of the control rod 601 is connected and fixed with the control handle 602 through a bolt, the control handle 602 drives the control rod 601 to move by pulling the control handle 602, so that the movable plug 103 and the rubber plug 104 are driven to move, the VOC gas is pumped into the detection tank 101, the detector 2 can detect the VOC gas, support columns 605 are arranged on two sides of the control rod 601, one end of each support column 605 is connected and fixed with one side of the detection tank 101, the other end of each support column 605 is connected and fixed with a through chute, the chute is connected with a sliding block 603 in a sliding manner, one end of each sliding block 603 is connected with the other through a clamping rod 604, the clamping rod 604 is clamped with a clamping groove 606 on the surface of the control rod 601, and the control rod 601 is limited by clamping.

The specific embodiment is as follows: when the VOC gas collection needs to be carried out in different time periods, the first electromagnetic valve 4 is opened through each time of electronic equipment, the fan 309 intervenes, the air enters the fan 309 through the air collecting head 306, the fan 309 brings a certain amount of VOC gas into the air collecting bag 302, the air collecting bag 302 continuously expands after being collected for a plurality of times and the collection is finished, thereby triggering the trigger switch 303, the trigger switch 303 causes the second electromagnetic valve 307 to be opened, the fan 309 is simultaneously caused to be closed and the first electromagnetic valve 4 is caused to be closed, the air collecting bag 302 is contracted in an expanded state, the pressed VOC gas is caused to enter the input pipeline 108, the sliding sleeve 105 is slidably connected with the input pipeline 108 through the pushing of the gas pressure, the sliding sleeve 105 moves towards the inside of the detection tank 101, thereby the VOC gas enters the inside of the detection tank 101 through the air guide hole 106 formed at the top of the sliding sleeve 105, simultaneously, the VOC gas moves to the upper end through the air guide hole 106 so that the detection end of the detector 2 can sense the entering of the VOC gas to carry out the mixed detection result of the above acquisition time period, finally, the average value is taken out to obtain whether the VOC gas is discharged according to regulations, after the detection is finished, the first electromagnetic valve 4 is opened again, the fan 309 intervenes to extract the VOC gas and complete the detection, if the power-off condition is met in the use process, the problem of the concentration of the VOC gas in the place needs to be detected can be solved through the manual control structure 6, the control handle 602 is pulled, the control handle 602 drives the control rod 601 so that the movable plug 103 and the rubber plug 104 move, thereby the VOC gas is pumped into the detection tank 101 so that the detector 2 can detect the VOC gas.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. VOC gas detection device, including detecting structure (1), its characterized in that: the utility model discloses a gas collection structure, including base (5) and detection structure (1), detection structure (1) bottom both ends are connected fixedly with base (5), detection structure (1) one side is connected fixedly with manual control structure (6), detection structure (1) opposite side and first solenoid valve (4) one end intercommunication, first solenoid valve (4) other end and gas collection structure (3) intercommunication keep away from detection structure (1) top and detector (2) of manual control structure (6) are connected fixedly, the detection end setting of detector (2) is in the first perforation of seting up in detection structure (1) one side.

2. The VOC gas detection device of claim 1, wherein: the utility model provides a gas collection structure, including detecting jar body (101), detect jar body (101) inner wall one side and flexible elastic component (102) one end connection fixed, flexible elastic component (102) other end and activity stopper (103) connection fixed, the ring channel is seted up to activity stopper (103) outer lane, the ring channel is fixed with rubber buffer (104) inner circle connection, the second perforation is seted up with detecting jar body (101) inner wall laminating, keep away from the detection jar body (101) one side of gas collection structure (3), second perforation and manual control structure (6) sliding connection, manual control structure (6) are connected fixedly with activity stopper (103) intermediate position, are close to the detection jar body (101) one side lower extreme of gas collection structure (3) is seted up the third perforation, third perforation is connected fixedly with input pipeline (108) one end, the other end of input pipeline (108) communicates with first solenoid valve (4), input pipeline (108) set up the symmetry and set up sliding groove (107), sliding groove (107) and sliding connection (105) and sliding sleeve (106) are seted up gas pocket.

3. The VOC gas detection apparatus of claim 2, wherein: the gas collecting structure (3) comprises a gas collecting tank body (301), a gas collecting bag (302) is arranged at the lower end inside the gas collecting tank body (301), one side of the gas collecting bag (302) is communicated with one end of a gas transmission pipeline (304), a fifth perforation formed by penetrating the gas collecting tank body (301) is communicated with a first electromagnetic valve (4), the other side of the gas collecting bag (302) is in contact with a trigger switch (303), a baffle is arranged at the upper end of the gas collecting bag (302), the baffle is fixedly connected with the inner wall of the gas collecting tank body (301), a fan (309) is mounted on the baffle, the air inlet end of the fan (309) is communicated with one end of a gas inlet pipe (308), the gas inlet pipe (308) is communicated with a second electromagnetic valve (307), a fifth perforation formed by penetrating the other end of the gas inlet pipe (308) is communicated with a gas collecting head (306), the air outlet end of the fan (309) is communicated with the gas inlet pipe (305), and the gas inlet pipe (305) is communicated with the gas transmission pipeline (308) through a sixth perforation formed by penetrating the baffle.

4. A VOC gas detection apparatus according to claim 3, wherein: the gas collecting head (306) is of a semicircular structure, and a plurality of through round holes are formed in the surface of the gas collecting head (306) at equal intervals.

5. The VOC gas detection apparatus of claim 2, wherein: the manual control structure (6) comprises a control rod (601), one end of the control rod (601) penetrates through the second through hole to be fixedly connected with one side middle position of the movable plug (103), and the other end of the control rod (601) is fixedly connected with the control handle (602).

6. The VOC gas detection device of claim 5, wherein: support columns (605) are arranged on two sides of the control rod (601), one end of each support column (605) is fixedly connected with one side of the detection tank body (101), the other end of each support column (605) is provided with a through sliding groove, the sliding grooves are connected with sliding blocks (603) in a sliding mode, one ends of the two sliding blocks (603) are connected through clamping rods (604), and the clamping rods (604) are connected with the surface of the control rod (601) in a clamping mode through clamping grooves (606).