CN220490498U

CN220490498U - Dioxin detector

Info

Publication number: CN220490498U
Application number: CN202321435786.0U
Authority: CN
Inventors: 林文浩; 戴争博; 胡斯翰; 沈庆舟; 陶少波; 刘润
Original assignee: Zhejiang Env Monitoring Engineering Co ltd
Current assignee: Zhejiang Env Monitoring Engineering Co ltd
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2024-02-13
Anticipated expiration: 2033-06-07

Abstract

The application discloses dioxin detector relates to detector technical field. The utility model provides a including detecting the case, the air intake has been seted up to one side of detecting the case, the inside fixedly connected with backup pad of detecting the case, the top fixedly connected with detector body of backup pad, the interior fixedly connected with negative pressure section of thick bamboo of detecting the case, the inside sliding connection of negative pressure section of thick bamboo has the negative pressure stopper, reciprocal subassembly is installed to the one end of negative pressure stopper, the input fixedly connected with solenoid valve of negative pressure section of thick bamboo one, the one end fixedly connected with sample horn head of backup pad, the input of solenoid valve one passes through pipeline and sample horn head intercommunication. This application is through setting up the cooperation use of negative pressure stopper and reciprocal subassembly for open solenoid valve one and close solenoid valve two can be with the inside of detecting gas suction negative pressure section of thick bamboo, close solenoid valve one and open solenoid valve two then, can preserve the inside of the leading-in collecting bottle of sample gas, with this effectively reduced the leak of sample gas, improved the accuracy nature that detects.

Description

Dioxin detector

Technical Field

The application relates to the technical field of detectors, in particular to a dioxin detector.

Background

Solid waste is easily subjected to combustion temperature to generate dioxin, and the dioxin is a fat-soluble substance with serious toxicity, often exists in the form of particles in flue gas, and is discharged into the atmosphere to be extremely harmful, so that the dioxin detection of the flue gas generated in the combustion treatment of the solid waste is required.

The prior China published patent grant bulletin number: the utility model provides a dioxin on-line monitoring appearance that mentions in CN212871860U, belongs to monitor technical field, dioxin on-line monitoring appearance includes the telescopic link cover, the telescopic link cover is the cavity structure, and telescopic link cover upper end sliding connection has the telescopic link, the locating hole has been seted up to the telescopic link surface, the through-hole has been seted up to the telescopic link cover surface, the inside bolt that has run through of through-hole and locating hole, telescopic link upper end fixed mounting has the monitor body, monitor body right side fixed mounting has the sampler, the sampler includes the gas cylinder, the inside sliding connection of gas cylinder has the gas column. The utility model avoids the close contact between the detection personnel and the detected dioxin when the detection personnel use the monitor to detect, does not harm the body health of the detection personnel, and the dioxin monitor can sample when detecting the gas, is convenient and practical, and is suitable for being widely popularized and used.

The pulling pull ring described in the above patent makes the outside air inhale the inflator inside, then takes out equipment and plugs into the sealing plug department and seal, but this kind of design mode makes there is the neutral gear in the in-process of plugging into the sealing plug department to the air suction mouth, loses the negative pressure effect in the inflator inside when taking out equipment for the sample of taking out flows from the air suction mouth department, thereby has influenced the accuracy nature of detection.

Disclosure of Invention

The purpose of the present application is: in order to solve the problem that the accuracy of detection is affected by the design mode described in the patent so that neutral gear exists in the process of plugging the sealing plug into the air suction nozzle, a sample sampled when equipment is taken down flows out from the air suction nozzle.

The application specifically adopts the following technical scheme for realizing the purposes:

the utility model provides a dioxin detector, includes the detection case, the air intake has been seted up to one side of detection case, the inside fixedly connected with backup pad of detection case, the top fixedly connected with detector body of backup pad, the interior bottom fixedly connected with negative pressure section of thick bamboo of detection case, the inside sliding connection of negative pressure section of thick bamboo has the negative pressure stopper, reciprocal subassembly is installed to the one end of negative pressure stopper, the input fixedly connected with solenoid valve first of negative pressure section of thick bamboo, the one end fixedly connected with sampling horn head of backup pad, the input of solenoid valve first passes through pipeline and sampling horn head intercommunication, the output fixedly connected with solenoid valve second, the output of solenoid valve second passes through pipeline fixedly connected with venthole, one side fixedly connected with carrier disc of detection case, the internally mounted of carrier disc has a plurality of collecting bottles, the output of venthole section of thick bamboo inserts the inside of a collecting bottle.

Through adopting above-mentioned technical scheme, through setting up the cooperation use of negative pressure stopper and reciprocal subassembly for open solenoid valve one and close solenoid valve two can be with the inside of detecting gas suction negative pressure section of thick bamboo, close solenoid valve one and open solenoid valve two afterwards, can preserve the inside of leading into the collecting bottle with the sample gas, with this effectively reduced the leak of sample gas, improved the accuracy nature that detects.

Further, the reciprocating assembly comprises a driving motor fixedly connected to the bottom in the detection box, the output end of the driving motor is fixedly connected with a driving wheel, one side of the driving wheel is eccentrically hinged with a transmission rod, and one end of the transmission rod is hinged with the negative pressure plug.

Through adopting above-mentioned technical scheme, through setting up the cooperation use of drive wheel and transfer line for start driving motor can drive the negative pressure stopper and remove along the length direction of negative pressure section of thick bamboo, thereby realize the reciprocating drive to the negative pressure stopper.

Further, an exhaust port is formed in one side of the detection box, and a fan is fixedly connected inside the exhaust port.

Through adopting above-mentioned technical scheme, through setting up the fan and effectively improved the air and passed the inside flow volume of detecting the case, strengthened the detection effect of detector body.

Further, the filter screen is fixedly connected to the inside of the air inlet.

Through adopting above-mentioned technical scheme, through setting up the inside that the foreign matter got into the detection case that has effectively reduced to the filter screen, the detection to the detector body leads to the fact the influence.

Further, the entrance of collecting bottle is provided with the bottleneck, the inside fixedly connected with snap ring of bottleneck, the bottom fixedly connected with spring of snap ring, the bottom fixedly connected with closing plate of spring, the inner bottom of bottleneck is plugged up to the closing plate, the bottom of venthole is inconsistent with the closing plate.

Through adopting above-mentioned technical scheme, through setting up the cooperation use of spring and closing plate, when the manual gas outlet tube that pulls breaks away from the inside of bottleneck for the gas outlet tube releases the conflict to the closing plate, makes the spring produce deformation resilience simultaneously, and drives the closing plate and form the jam to the bottleneck bottom, thereby makes the inside sealed state that forms of collecting bottle, with this purity that is convenient for maintain the inside sample of collecting bottle.

Further, a plurality of side holes are formed in the outer side of the air outlet barrel.

Through adopting above-mentioned technical scheme, be convenient for through setting up the side opening with the inside of sample air through the peripheral row income collecting bottle of venthole, improved the practicality of device.

Further, one end of the air outlet cylinder is fixedly connected with an elastic rubber block matched with the clamping ring.

Through adopting above-mentioned technical scheme, be convenient for go into the inside of bottleneck with the one end card of venthole through setting up elastic rubber piece, further improved the practicality of device.

Further, a slot matched with the collecting bottle is formed in the bearing plate, and a fixed rubber ring is fixedly connected to the inner side of the slot.

Through adopting above-mentioned technical scheme, through setting up the cooperation use of slot and fixed rubber ring, effectively strengthened the frictional force between collecting bottle and the spandrel, improved the stability of collecting bottle installation.

In summary, the present application includes at least one of the following beneficial effects:

1. through setting up the cooperation use of negative pressure stopper and reciprocal subassembly for open solenoid valve one and close solenoid valve two can be with the inside of detecting gas suction negative pressure section of thick bamboo, close solenoid valve one and open solenoid valve two afterwards, can preserve the inside of the leading-in collecting bottle of sample gas, with this effectively reduced the leak of sample gas, improved the accuracy nature of detecting.

2. Through setting up the cooperation use of spring and closing plate, when the manual gas outlet tube that pulls breaks away from the inside of bottleneck for it releases the conflict to the closing plate to draw the inflator, makes the spring produce deformation resilience simultaneously, and drives the closing plate to form the jam to the bottle mouth bottom, thereby makes the inside sealed state that forms of collecting bottle, so that is convenient for maintain the purity of the inside sample of collecting bottle.

Drawings

Fig. 1 is a schematic perspective view of a device body in the present application.

Fig. 2 is a side cross-sectional view of the test cassette of the present application.

Fig. 3 is a schematic view of the internal structure of the inspection box in the present application.

Fig. 4 is a schematic view of the internal structure of the bottle mouth in the present application.

Fig. 5 is a schematic view of the internal structure of the basin in the present application.

Reference numerals illustrate:

1. a detection box; 2. an air inlet; 3. a support plate; 4. a detector body; 5. a negative pressure cylinder; 6. a negative pressure plug; 7. a reciprocating assembly; 8. a first electromagnetic valve; 9. sampling horn heads; 10. a second electromagnetic valve; 11. an air outlet tube; 12. a bearing plate; 13. a collection bottle; 14. a fan; 15. a filter screen; 16. a bottle mouth; 17. a clasp; 18. a spring; 19. a sealing plate; 20. a side hole; 21. an elastic rubber block; 22. a slot; 23. fixing a rubber ring; 71. a driving motor; 72. a driving wheel; 73. a transmission rod.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses a dioxin detector.

Referring to fig. 1-3, a dioxin detector comprises a detection box 1, an air inlet 2 is formed in one side of the detection box 1, a support plate 3 is fixedly connected to the inside of the detection box 1, a detector body 4 is fixedly connected to the top of the support plate 3, a negative pressure cylinder 5 is fixedly connected to the inside bottom of the detection box 1, a negative pressure plug 6 is slidingly connected to the inside of the negative pressure cylinder 5, a reciprocating assembly 7 is mounted at one end of the negative pressure plug 6, a first electromagnetic valve 8 is fixedly connected to the input end of the negative pressure cylinder 5, a sampling horn 9 is fixedly connected to one end of the support plate 3, the input end of the first electromagnetic valve 8 is communicated with the sampling horn 9 through a pipeline, a second electromagnetic valve 10 is fixedly connected to the output end of the negative pressure cylinder 5, an air outlet cylinder 11 is fixedly connected to the output end of the electromagnetic valve 10 through a pipeline, a carrier plate 12 is fixedly connected to one side of the detection box 1, a plurality of collecting bottles 13 are mounted inside the carrier plate 12, and the output end of the air outlet cylinder 11 is inserted into the inside of one collecting bottle 13.

When the detector body 4 is started to detect that the air contains dioxin, the reciprocating assembly 7 is started to drive the negative pressure plug 6 to reciprocate in the negative pressure cylinder 5, so that negative pressure is generated in the negative pressure cylinder 5, meanwhile, the electromagnetic valve I8 and the electromagnetic valve II 10 are matched for use, so that when the electromagnetic valve I8 is opened and the electromagnetic valve II 10 is closed, sample gas containing dioxin is pumped into the negative pressure cylinder 5 through the sampling horn 9, then the electromagnetic valve II 10 is opened again through the electromagnetic valve I8 which is closed, and the negative pressure plug 6 is matched with the reciprocating assembly 7 for use, samples sucked in the negative pressure cylinder 5 are guided into the collecting bottle 13 through the air outlet cylinder 11 for collection, accurate collection of the sample gas is realized, and the problem that a detection result is inaccurate due to outward diffusion of collected samples is effectively reduced.

Referring to fig. 2 and 3, the reciprocating assembly 7 includes a driving motor 71 fixedly connected to the bottom inside the detection box 1, an output end of the driving motor 71 is fixedly connected to a driving wheel 72, one side of the driving wheel 72 is eccentrically hinged with a driving rod 73, and one end of the driving rod 73 is hinged with the negative pressure plug 6.

When the negative pressure plug 6 is in operation, the driving motor 71 is started to drive the driving wheel 72 to rotate, the driving wheel 72 drives one end of the transmission rod 73 to eccentrically rotate around the hinge shaft, and meanwhile, the transmission rod 73 drives the negative pressure plug 6 to reciprocate along the length direction of the negative pressure cylinder 5, so that the negative pressure plug 6 is driven to reciprocate.

Referring to fig. 1 and 2, an exhaust port is opened at one side of the detection case 1, and a fan 14 is fixedly connected to the inside of the exhaust port. During operation, the fan 14 is started to pump air into the detection box 1 through the air inlet 2, and then the air is discharged through the air outlet, so that the flow speed of the gas to be detected passing through the detection end of the detector body 4 is effectively enhanced, and the detection effect of the detector body 4 is improved.

Referring to fig. 1 and 2, a filter screen 15 is fixedly connected to the inside of the air inlet 2. When air enters the detection box 1 from the air inlet 2, foreign matters in the air are intercepted by the filter screen 15, so that the influence of the foreign matters on the detection of the inside of the detector body 4 is reduced.

Referring to fig. 1, 2 and 4, a bottle opening 16 is arranged at an inlet of a collecting bottle 13, a clamping ring 17 is fixedly connected to the inside of the bottle opening 16, a spring 18 is fixedly connected to the bottom of the clamping ring 17, a sealing plate 19 is fixedly connected to the bottom of the spring 18, the sealing plate 19 blocks the inner bottom of the bottle opening 16, the bottom of an air outlet barrel 11 is in contact with the sealing plate 19, and a plurality of side holes 20 are formed in the outer side of the air outlet barrel 11.

When the air outlet device works, firstly, one end of the air outlet cylinder 11 is inserted into the bottle opening 16, the bottom of the air outlet cylinder 11 is abutted against the sealing plate 19, one end of the sealing plate 19 is separated from the joint of the collecting bottle 13, and then air sampled from the air outlet cylinder 11 is discharged into the collecting bottle 13 through the side hole 20.

After the inside packing of collecting bottle 13 finishes, break away from the inside of bottleneck 16 through manual traction venthole 11 to remove the conflict to closing plate 19, make spring 18 produce deformation resilience simultaneously, and drive closing plate 19 along the length direction of collecting bottle 13 to the bottom of bottleneck 16, and form the jam to the bottleneck 16 bottom, thereby make the inside sealed state that forms of collecting bottle 13, in order to be convenient for maintain the purity of the inside sample of collecting bottle 13.

Referring to fig. 1 and 5, one end of the air outlet 11 is fixedly connected with an elastic rubber block 21 adapted to the snap ring 17. When the air outlet cylinder 11 inserts the inside of bottleneck 16 for elastic rubber piece 21 produces the extrusion with snap ring 17, and makes elastic rubber piece 21 atress produce shrinkage deformation, after elastic rubber piece 21 passed snap ring 17, makes out that air cylinder 11 jack-up closing plate 19 to the jam of bottleneck 16, and the deformation rebound card through elastic rubber piece 21 simultaneously is in the bottom of snap ring 17, so makes out air cylinder 11 card in the inside of bottleneck 16, does not need the inside that handheld air outlet cylinder 11 inserted collecting bottle 13 all the time, has improved the practicality of device.

Referring to fig. 1 and 5, a slot 22 adapted to the collection bottle 13 is opened in the interior of the basin 12, and a fixed rubber ring 23 is fixedly connected to the inner side of the slot 22. When the bottom of the collection bottle 13 is inserted into the slot 22, the fixed rubber ring 23 is extruded by the collection bottle 13 to deform and fill the gap between the collection bottle 13 and the slot 22, so that the collection bottle 13 and the slot 22 are connected more tightly, and the installation stability of the collection bottle 13 is improved.

The implementation principle of the dioxin detector in this embodiment is as follows: when the starting detector body 4 detects that the air contains dioxin, the driving motor 71 is started to drive the driving wheel 72 to rotate, the driving wheel 72 drives one end of the transmission rod 73 to eccentrically rotate around the hinge shaft, and meanwhile, the transmission rod 73 drives the negative pressure plug 6 to reciprocate along the length direction of the negative pressure cylinder 5, so that negative pressure is generated inside the negative pressure cylinder 5;

simultaneously, through the matching use of the first electromagnetic valve 8 and the second electromagnetic valve 10, when the first electromagnetic valve 8 is opened and the second electromagnetic valve 10 is closed, the sample gas containing dioxin is pumped into the negative pressure cylinder 5 through the sampling horn 9, then the second electromagnetic valve 10 is opened through closing the first electromagnetic valve 8, and the negative pressure plug 6 is matched with the reciprocating assembly 7 for use, so that the sample sucked into the negative pressure cylinder 5 is guided into the collecting bottle 13 through the air outlet cylinder 11 for collection;

then, after the inside of the collecting bottle 13 is filled, the air outlet barrel 11 is manually pulled to separate from the inside of the bottle opening 16, the interference to the sealing plate 19 is relieved, the spring 18 is deformed and rebounded, the sealing plate 19 is driven to move towards the bottom of the bottle opening 16 along the length direction of the collecting bottle 13, and the bottom of the bottle opening 16 is blocked, so that the inside of the collecting bottle 13 is sealed, and the purity of a sample inside the collecting bottle 13 is maintained conveniently.

Claims

1. The utility model provides a dioxin detector, includes detection case (1), its characterized in that: air intake (2) have been seted up to one side of detecting case (1), the inside fixedly connected with backup pad (3) of detecting case (1), the top fixedly connected with detector body (4) of backup pad (3), the interior bottom fixedly connected with negative pressure section of thick bamboo (5) of detecting case (1), the inside sliding connection of negative pressure section of thick bamboo (5) has negative pressure stopper (6), reciprocal subassembly (7) are installed to the one end of negative pressure stopper (6), the input fixedly connected with solenoid valve one (8) of negative pressure section of thick bamboo (5), the one end fixedly connected with sample horn head (9) of backup pad (3), the input of solenoid valve one (8) communicates with sample horn head (9) through the pipeline, the output fixedly connected with solenoid valve two (10) of negative pressure section of thick bamboo (5), the output of solenoid valve two (10) is through pipeline fixedly connected with a section of thick bamboo (11), one side fixedly connected with carrier disc (12) of detecting case (1), the internally mounted of carrier disc (12) has a plurality of ventholes (13), the inside bottle (13) of carrying bottle (13) are inserted to output end one.

2. The dioxin detector of claim 1, wherein: the reciprocating assembly (7) comprises a driving motor (71) fixedly connected to the inner bottom of the detection box (1), the output end of the driving motor (71) is fixedly connected with a driving wheel (72), one side of the driving wheel (72) is eccentrically hinged with a transmission rod (73), and one end of the transmission rod (73) is hinged with the negative pressure plug (6).

3. The dioxin detector of claim 1, wherein: an exhaust port is formed in one side of the detection box (1), and a fan (14) is fixedly connected inside the exhaust port.

4. The dioxin detector of claim 1, wherein: the inside of the air inlet (2) is fixedly connected with a filter screen (15).

5. The dioxin detector of claim 1, wherein: the inlet of collecting bottle (13) is provided with bottleneck (16), the inside fixedly connected with snap ring (17) of bottleneck (16), the bottom fixedly connected with spring (18) of snap ring (17), the bottom fixedly connected with closing plate (19) of spring (18), the inner bottom of bottleneck (16) is plugged up to closing plate (19), the bottom of venthole (11) is inconsistent with closing plate (19).

6. The dioxin detector of claim 1, wherein: a plurality of side holes (20) are formed in the outer side of the air outlet tube (11).

7. The dioxin detection instrument according to claim 5, wherein: one end of the air outlet tube (11) is fixedly connected with an elastic rubber block (21) which is matched with the clamping ring (17).

8. The dioxin detector of claim 1, wherein: the inside of the bearing plate (12) is provided with a slot (22) which is matched with the collecting bottle (13), and the inner side of the slot (22) is fixedly connected with a fixed rubber ring (23).