CN219038544U

CN219038544U - Volatile organic compound sampling and detecting device

Info

Publication number: CN219038544U
Application number: CN202223387902.4U
Authority: CN
Inventors: 钱姝君
Original assignee: Taizhou Xinshi Testing Technology Co ltd
Current assignee: Taizhou Xinshi Testing Technology Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-05-16
Anticipated expiration: 2032-12-16

Abstract

The utility model discloses a volatile organic compound sampling and detecting device, which comprises a main rod, a first branch pipe, a first air tap, an extension rod, a second branch pipe, a sealing sleeve, a fixed rod and a bowl-shaped air inlet piece, wherein the first branch pipe is fixed on the inner wall of the main rod, the end part of the first branch pipe extends out of the main rod, the first air tap is arranged at the bottom end of the main rod, the extension rod is installed on the end part of the main rod through threaded connection, the second branch pipe is fixed on the inner wall of the extension rod, the end part of the extension rod extends out of the extension rod, the sealing sleeve is fixed on the end part of the extension pipe, the fixed rod is installed on the end part of the extension pipe through threaded connection, the bowl-shaped air inlet piece is installed on the end part of the fixed rod, the main rod is used for holding by a detector, the first branch pipe is used for air to pass through, the first air tap is used for being connected with the detecting module, a first sealing ring is installed on the end part of the first branch pipe, which is far away from the first air tap, and the volatile organic compound sampling and detecting device has the advantages of long-range detection and high safety.

Description

Volatile organic compound sampling and detecting device

Technical Field

The utility model relates to the technical field of detection devices, in particular to a volatile organic compound sampling and detection device.

Background

Volatile organic compounds refer to compounds with boiling points of 50-250 ℃, saturated vapor pressures at room temperature exceeding 133.32Pa, and organic compounds which exist in the air in vapor form at room temperature can be further classified into eight types according to the chemical structures: alkanes, aromatic hydrocarbons, alkenes, halocarbons, esters, aldehydes, ketones and others, are mainly from industrial waste gas, automobile exhaust, photochemical pollution and the like generated by fuel combustion and transportation outdoors, while indoor smoke, which is mainly from combustion products such as fire coal, natural gas and the like, smoking, heating, cooking and the like, emissions of building and decorative materials, furniture, household appliances, cleaners, human bodies and the like, and volatile organic matters need to be sampled and detected by a detection device.

The existing volatile organic compound sampling and detecting device mainly has the following defects in the using process: the detection personnel need closely and volatile organic compounds business turn over contact when sampling, inhale volatile organic compounds easily, cause the damage to healthy, consequently, a volatile organic compounds detection device that can sample and detect remotely is urgently needed.

Disclosure of Invention

The present utility model aims to solve one of the technical problems existing in the prior art or related technologies.

The technical scheme adopted by the utility model is as follows: a volatile organic compound sampling and detection device, comprising: the sampling module comprises a main rod, a first branch pipe fixed on the inner wall of the main rod, a first air tap arranged at the bottom end of the main rod, an extension rod arranged on the end part of the main rod in a threaded connection mode, a second branch pipe fixed on the inner wall of the extension rod, the end part of the second branch pipe extending out of the extension rod, a sealing sleeve fixed on the end part of the extension pipe, a fixing rod arranged on the end part of the extension pipe in a threaded connection mode and a bowl-shaped air inlet piece arranged on the end part of the fixing rod.

The detection module comprises a shell arranged on one side of the main rod, an air extraction assembly fixed on the outer side surface of the shell and extending into the inner cavity of the shell, an organic matter detector arranged on the inner wall of the shell, a filtering assembly arranged on the shell and extending out of the shell, a display panel arranged on the inner wall of the shell and extending out of the shell, a battery compartment fixed on the inner wall of the shell, an elastic binding belt fixed on the outer side surface of the shell and a hose for connecting the first air nozzle and the air extraction assembly.

The present utility model may be further configured in a preferred example to: the end part of the main rod, which is far away from the first air tap, is fixedly provided with a threaded part, and the end part of the first branch pipe, which is far away from the first air tap, is provided with a first sealing ring.

The present utility model may be further configured in a preferred example to: one end of the extension rod is provided with a thread groove, the thread groove is meshed with the thread piece, the other end of the extension rod is fixedly provided with the thread piece, and the sealing sleeve pipe is fixed on the inner wall of the thread groove.

The present utility model may be further configured in a preferred example to: the sealing sleeve comprises a circular tube with the end part communicated with the second branch tube and a second sealing ring fixed on the end part of the circular tube, and the inner diameter of the circular tube is slightly larger than the outer diameter of the first branch tube.

The present utility model may be further configured in a preferred example to: the end part of the fixed rod, which is far away from the bowl-shaped air inlet piece, is provided with a thread groove, and the inner wall of the thread groove is provided with a sealing sleeve which is communicated with the bowl-shaped air inlet piece through a pipeline.

The present utility model may be further configured in a preferred example to: the air extraction assembly comprises a sealing shell fixed on the outer side surface of the shell and extending into the inner cavity of the shell, a second air tap fixed on the end part of the sealing shell and extending into the inner cavity of the sealing shell, a supporting rod fixed on the inner wall of the sealing shell in an annular array, a motor arranged on the supporting rod and fan blades fixedly sleeved on a motor shaft, and the end part of the shell is communicated with the organic matter detector.

The present utility model may be further configured in a preferred example to: the filter assembly comprises a shell fixed on the inner wall of the shell, fiber filter screens symmetrically fixed on the inner wall of the shell and active carbon filled between the opposite fiber filter screens.

The present utility model may be further configured in a preferred example to: one side of the shell extends out of the shell and is flush with the outer side face of the shell, and a plurality of through holes are formed in the side shell in an array.

By adopting the technical scheme, the beneficial effects obtained by the utility model are as follows:

1. according to the utility model, the main rod, the extension rod, the fixed rod and the bowl-shaped air inlet piece are arranged at the same time, and the main rod, the extension rod and the fixed piece are connected through threads.

2. According to the utility model, the air extraction assembly is arranged on the outer side surface of the shell and is communicated with the first air nozzle on the main rod, volatile organic matters around the bowl-shaped air inlet piece are extracted by the air extraction assembly, and are sent into the organic matter detector along the second branch rod in the extension rod, the first branch pipe in the main rod and the hose, so that the detection of the volatile organic matters is performed, the use is convenient, the detection efficiency is high, meanwhile, the filter assembly is arranged on the inner wall of the shell, the filter assembly is communicated with the organic matter detector, and the volatile organic matters discharged after the detection of the organic matters are filtered and purified through the filter assembly, so that the physical health and safety of detection personnel are further ensured, and the practical performance is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a body module of the present utility model;

FIG. 3 is a schematic diagram of a detection module according to the present utility model;

FIG. 4 is a schematic cross-sectional view of a detection module according to the present utility model.

Reference numerals:

100. a sampling module; 110. a main rod; 111. a screw; 120. a first branch pipe; 121. a first seal ring; 130. a first air tap; 140. an extension rod; 141. a thread groove; 150. a second branch pipe; 160. sealing the sleeve; 161. a round tube; 162. a second seal ring; 170. a fixed rod; 180. bowl-shaped air inlet piece;

200. a detection module; 210. a housing; 220. an air extraction assembly; 221. a sealed housing; 222. a second air tap; 223. a support rod; 224. a motor; 225. a fan blade; 230. an organic matter detector; 240. a filter assembly; 241. a housing; 2411. a through hole; 242. a fiber filter screen; 243. activated carbon; 250. a display panel; 260. a battery compartment; 270. an elastic strap; 280. and (3) a hose.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

Some embodiments of the utility model are described below with reference to the accompanying drawings,

example 1:

referring to fig. 1-4, the present embodiment provides a volatile organic compound sampling and detecting device, which includes: sampling module 100 and detection module 200.

The sampling module 100 includes a main rod 110, a first branch pipe 120 fixed on an inner wall of the main rod 110, and having an end portion extending out of the main rod 110, a first air tap 130 mounted at a bottom end of the main rod 110, an extension rod 140 mounted on an end portion of the main rod 110 through a threaded connection, a second branch pipe 150 fixed on an inner wall of the extension rod 140, and having an end portion extending out of the extension rod 140, a sealing sleeve 160 fixed on an end portion of the extension pipe, a fixing rod 170 mounted on an end portion of the extension pipe through a threaded connection, and a bowl-shaped air inlet member 180 mounted on an end portion of the fixing rod 170.

The main rod 110 is used for installing the extension rod 140, and is used for holding by a detector, the first branch pipe 120 is used for air to pass through, the first air tap 130 is used for being connected with the detection module 200, the threaded piece 111 is fixed on the end part of the main rod 110 far away from the first air tap 130, and the first sealing ring 121 is installed on the end part of the first branch pipe 120 far away from the first air tap 130.

The extension rod 140 is used for prolonging the length of the main rod 110, one end of the extension rod 140 is provided with the thread groove 141, the thread groove 141 is meshed with the thread piece 111, the other end of the extension rod 140 is fixedly provided with the thread piece 111, installation between the extension rods 140 and between the extension rod 140 and the main rod 110 is facilitated, practical convenience is improved, the second branch pipe 150 is used for circulating air, and the sealing sleeve 160 is fixed on the inner wall of the thread groove 141 and used for keeping the sealing performance of the joint of the second branch pipe 150 and the first branch pipe 120.

Further, the sealing sleeve 160 includes a circular tube 161 with an end portion communicating with the second branch tube 150, and a second sealing ring 162 fixed on the end portion of the circular tube 161, where the inner diameter of the circular tube 161 is slightly larger than the outer diameter of the first branch tube 120, and is used for sleeving on the end portion of the first branch tube 120, when the extension rod 140 is connected with the main rod 110, the end portion of the first branch tube 120 is embedded in the circular tube 161, the first sealing ring 121 is tightly attached to the inner bottom wall of the groove, and the second sealing ring 162 is tightly attached to the end portion of the main rod 110, so that double sealing is achieved, and tightness between the first branch tube 120 and the second branch tube 150 is effectively ensured.

The end of the fixed rod 170 far away from the bowl-shaped air inlet piece 180 is provided with a thread groove 141, and the inner wall of the thread groove 141 is provided with a sealing sleeve 160, the sealing sleeve 160 is communicated with the bowl-shaped air inlet piece 180 through a pipeline, the end of the bowl-shaped air inlet piece 180 is conveniently connected with the end of an extension pipe, the bowl-shaped air inlet piece 180 is used for increasing the area of an air inlet, and the sampling range is increased.

The detection module 200 is used for detecting volatile organic compounds in air near the bowl-shaped air inlet, and comprises a housing 210 arranged on one side of the main rod 110, an air extraction assembly 220 fixed on the outer side surface of the housing 210 and extending into the inner cavity of the housing 210, an organic compound detector 230 mounted on the inner wall of the housing 210, a filtering assembly 240 mounted on the housing 210 and extending out of the housing 210, a display panel 250 mounted on the inner wall of the housing 210 and extending out of the housing 210, a battery compartment 260 fixed on the inner wall of the housing 210, an elastic binding belt 270 fixed on the outer side surface of the housing 210, and a hose 280 connecting the first air nozzle 130 and the air extraction assembly 220.

The housing 210 is used to house other components and the air extraction assembly 220 is used to draw air around the bowl air intake 180 into the organic matter detector 230.

Further, the air pumping assembly 220 includes a sealing shell 221 fixed on the outer side surface of the casing 210 and extending into the cavity of the casing 210, a second air tap 222 fixed on the end of the sealing shell 221 and extending into the cavity of the sealing shell 221, a supporting rod 223 fixed on the inner wall of the sealing shell 221 in a ring array, a motor 224 mounted on the supporting rod 223, and a fan blade 225 fixedly sleeved on the shaft of the motor 224, the casing 210 is used for mounting the supporting rod 223, meanwhile, the end of the casing 210 is communicated with the organic matter detector 230, so that air can be conveniently fed into the organic matter detector 230, the second air tap 222 is used for connecting a hose 280, the supporting rod 223 is used for mounting the motor 224, the stability of the operation of the motor 224 is maintained, the motor 224 is used for mounting the fan blade 225, and the fan blade 225 is driven to rotate, and the fan blade 225 rotates to feed air around the bowl-shaped air inlet 180 into the organic matter detector 230 through the second branch pipe 150, the first branch pipe 120 and the hose 280.

The organic matter detector 230 is used for detecting the content of volatile organic matters in the air, and transmitting detection data to the display panel 250, and the display panel 250 displays the detected data, so that detection personnel can conveniently know in time.

The filter component 240 is installed on the inner wall of the shell 210 and is used for filtering and purifying detected gas, and comprises a shell 241 fixed on the inner wall of the shell 210, a fiber filter screen 242 symmetrically fixed on the inner wall of the shell 241 and activated carbon 243 filled between the opposite fiber filter screens 242, wherein the shell 241 is used for installing the fiber filter screen 242 and is matched with the fiber filter screen 242 to form a separated space for filling the activated carbon 243, one side of the shell 241 extends out of the shell 210 and is flush with the outer side surface of the shell 210, a plurality of through holes 2411 are formed in an array on the shell 241 at the side and are used for filtering and purifying the air to be discharged, and the fiber filter screen 242 and the activated carbon 243 are used for adsorbing volatile organic compounds in the gas so as to avoid injury to detection personnel caused by direct discharge.

The battery compartment 260 is used for supplying power, ensures the stable operation of the device, and the elastic binding band 270 is used for facilitating the user to bind the shell 210 on the arm, so that the convenience of use is increased, the hose 280 is used for connecting the first air nozzle 130 and the second air nozzle 222, and the sampling module 100 is communicated with the detection module 200, so that the air in the sampling module 100 is conveniently introduced into the detection module 200 for detection.

The working principle and the using flow of the utility model are as follows: when the device is used, a detector selects a proper number of extension rods 140 according to actual conditions, the extension rods 140 are fixedly connected with each other, then a fixing rod 170 is installed on the end part of the extension rods 140, a main rod 110 is installed on the other end part of the extension rods 140, a detector holds the main rod 110, a bowl-shaped air inlet piece 180 is sent to a region needing to be detected, a motor 224 is started, the motor 224 rotates to drive a fan blade 225 to rotate, volatile organic compounds around the bowl-shaped air inlet piece 180 are pumped into a second branch pipe 150, the volatile organic compounds are sent into an organic compound detector 230 along the second branch pipe 150, a first branch pipe 120 and a hose 280, the content of the volatile organic compounds in air and the like are detected by the organic compound detector 230, the detection result is transmitted to a display panel 250 for display, the detected gas enters a shell 241, a fiber filter screen 242 and activated carbon 243 adsorb and filter the volatile organic compounds in the gas, and the purified air is discharged to the outside through a through hole 2411 on the shell 241, and the detection is completed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. A volatile organic compound sampling and detection device, comprising: the sampling module (100) and the detection module (200) are characterized in that the sampling module (100) comprises a main rod (110), a first branch pipe (120) fixed on the inner wall of the main rod (110) and the end part of which extends out of the main rod (110), a first air tap (130) arranged at the bottom end of the main rod (110), an extension rod (140) arranged on the end part of the main rod (110) through threaded connection, a second branch pipe (150) fixed on the inner wall of the extension rod (140) and the end part of which extends out of the extension rod (140), a sealing sleeve (160) fixed on the end part of the extension pipe, a fixed rod (170) arranged on the end part of the extension pipe through threaded connection and a bowl-shaped air inlet piece (180) arranged on the end part of the fixed rod (170);

the detection module (200) comprises a shell (210) arranged on one side of the main rod (110), an air extraction assembly (220) fixed on the outer side surface of the shell (210) and extending into an inner cavity of the shell (210), an organic matter detector (230) arranged on the inner wall of the shell (210), a filtering assembly (240) arranged on the shell (210) and extending out of the shell (210), a display panel (250) arranged on the inner wall of the shell (210) and extending out of the shell (210), a battery compartment (260) fixed on the inner wall of the shell (210), an elastic binding belt (270) fixed on the outer side surface of the shell (210) and a hose (280) for connecting the first air nozzle (130) with the air extraction assembly (220).

2. The device for sampling and detecting volatile organic compounds according to claim 1, wherein a threaded member (111) is fixed on an end portion of the main rod (110) far from the first air tap (130), and a first sealing ring (121) is installed on an end portion of the first branch pipe (120) far from the first air tap (130).

3. The device for sampling and detecting volatile organic compounds according to claim 1, wherein one end of the extension rod (140) is provided with a thread groove (141), the thread groove (141) is meshed with the thread member (111), the other end of the extension rod is fixed with the thread member (111), and the sealing sleeve (160) is fixed on the inner wall of the thread groove (141).

4. The device for sampling and detecting volatile organic compounds according to claim 1, wherein the sealing sleeve (160) comprises a circular tube (161) with an end part communicated with the second branch tube (150) and a second sealing ring (162) fixed on the end part of the circular tube (161), and the inner diameter of the circular tube (161) is slightly larger than the outer diameter of the first branch tube (120).

5. The device for sampling and detecting volatile organic compounds as claimed in claim 1, wherein the end of the fixing rod (170) far away from the bowl-shaped air inlet piece (180) is provided with a thread groove (141), and a sealing sleeve (160) is mounted on the inner wall of the thread groove (141), and the sealing sleeve (160) is communicated with the bowl-shaped air inlet piece (180) through a pipeline.

6. The device according to claim 1, wherein the air extraction assembly (220) comprises a sealing shell (221) fixed on the outer side surface of the shell (210) and extending into the cavity of the shell (210), a second air tap (222) fixed on the end of the sealing shell (221) and extending into the cavity of the sealing shell (221), a supporting rod (223) fixed on the inner wall of the sealing shell (221) in a ring array, a motor (224) mounted on the supporting rod (223), and a fan blade (225) fixedly sleeved on the shaft of the motor (224), and the end of the shell (210) is communicated with the organic matter detector (230).

7. The device for sampling and detecting volatile organic compounds as claimed in claim 1, wherein said filter assembly (240) comprises a housing (241) fixed on the inner wall of the casing (210), a fiber screen (242) symmetrically fixed on the inner wall of the housing (241), and activated carbon (243) filled between the opposite fiber screens (242).

8. The device for sampling and detecting volatile organic compounds as claimed in claim 7, wherein one side of the housing (241) extends out of the housing (210) and is flush with an outer side surface of the housing (210), and a plurality of through holes (2411) are formed in an array on the outer side surface of the housing (241) extending out of the housing (210).