Odor pollution source sampling device

Abstract

The utility model provides a stink pollution source sampling device which comprises a sampling box and an air extracting pump, a connecting tee joint is arranged in the sampling box, the connecting tee joint is provided with a first connector, a second connector and a third connector, the stink pollution source sampling device further comprises a sampling assembly, a washing assembly and a collecting assembly, the sampling assembly comprises a sampling gun and a sampling pipe, and the sampling pipe is matched with the first connector. The flushing assembly comprises a flushing valve and a water inlet pipe, the flushing valve is matched with the second connector, the collecting assembly comprises a connecting pipe, a connector and an air bag, a movable rod and a spring are arranged in the third connector, the movable rod is provided with a connecting hole, the connecting pipe is detachably connected with the third connector, and the connecting pipe is communicated with the connecting hole and pushes the movable rod to move when installed on the third connector. According to the sampling device, the technical problem that pollution gas is attached to the inner wall of the sampling system to cause errors of detection results or influence on normal use of the sampling system is solved, and the technical effects that the sampling device is convenient to clean and cross contamination of samples is prevented are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sampling equipment technical field especially relates to a foul smell pollution source sampling device. BACKGROUND

[0002] Foul smell refers to all gas substances that stimulate human olfactory organs, cause unpleasantness and damage living environment, mainly comes from industrial and agricultural production and human activities, and high-concentration foul smell pollutants have direct harm to human health. Sampling is needed when detecting the intensity and concentration of foul smell pollution sources.

[0003] The Chinese utility model patent with publication number CN207850768U discloses a pollution source foul smell sampling system, which comprises a sampling pipe, an air suction pipe and an annular connecting piece in a hollow structure, an air inlet is arranged at one end of the sampling pipe, the annular connecting piece is arranged in the sampling pipe at the air inlet, an outer thread is arranged at one end of the annular connecting piece close to the air inlet and is connected to an inner thread of the sampling pipe in a matched mode, an inner thread is arranged at the other end of the annular connecting piece and is connected to an outer thread at one end of the air suction pipe in a matched mode, one end of the air suction pipe away from the air inlet extends out of the sampling pipe and is connected to an air bag, the air bag is arranged in a vacuum sampling box, the air suction pipe is a polytetrafluoroethylene pipe, and the pollution source foul smell sampling system further comprises a temperature control box, which is arranged at one end of the sampling pipe away from the air inlet and is electrically connected to a heating device in the sampling pipe. The pollution source foul smell sampling system has simple and reasonable structure, high integration, small and light equipment and convenient use.

[0004] During use of the pollution source foul smell sampling system disclosed in the above-mentioned utility model patent, part of the collected gas will adhere to the inner wall of the sampling pipe and the air suction pipe during the process of entering the air bag along the sampling pipe and the air suction pipe, and the pollutants adhering to the inner wall will fall into the sample after long-time use, which will cause errors in the detection results and may also cause blockage of the pipeline and affect the normal use of the sampling system. UTILITY MODEL CONTENTS

[0005] In view of the problems in the prior art, the utility model provides a foul smell pollution source sampling device, which solves the problem that the pollutants adhere to the inner wall of the sampling system in the prior art, causing errors in the detection results or affecting the normal use of the sampling system.

[0006] According to the embodiment of the utility model, a kind of foul odor pollution source sampling device, including sampling box and the air suction pump being arranged in sampling box, sampling box is equipped with connecting tee, connecting tee has the first interface, the second interface and the third interface being connected, further include sampling assembly, flushing component and collection component, sampling assembly includes sampling gun and the sampling pipe being communicated with sampling gun, the end of sampling pipe away from sampling gun is matched with the first interface, flushing component includes flush valve and the water inlet pipe being communicated with flush valve, flush valve is matched with the second interface, the end of water inlet pipe away from flush valve is stretched out outside sampling box, collection component includes connecting pipe, connector and gas bag, connecting pipe is detachably connected with connector and connector is tightly pressed on the inner wall of connecting pipe at the opening of gas bag, the third interface is equipped with movable link and spring being abutted with movable link, movable link has connecting hole, spring drives movable link to move towards the opening of the third interface and makes connecting hole not be communicated with connecting tee, connecting pipe is detachably connected with the third interface, when connecting pipe is installed to the third interface, it is communicated with connecting hole and movable link is pushed to move away from the opening of the third interface, so that connecting hole is communicated with connecting tee.

[0007] Further, the first adapter pipe is provided on the connecting tee, the first adapter pipe is sleeved on the first interface, and the first adapter pipe has a first threaded hole.

[0008] Further, the flushing component further includes a water pipe joint, and the water pipe joint is located at the end of the water inlet pipe that is stretched out of the sampling box.

[0009] Further, the connector is provided with an elastic buckle, the connecting pipe is provided with a clamping groove matched with the elastic buckle, and the elastic buckle presses part of the gas bag into the clamping groove.

[0010] Further, the second adapter pipe is provided on the connecting tee, the second adapter pipe is sleeved on the third interface, and the second adapter pipe has a second threaded hole and a first through hole being communicated with each other, the end of the connecting pipe has a second threaded part matched with the second threaded hole, and part of the connecting pipe penetrates the first through hole and abuts against the movable link in the connecting tee.

[0011] Further, the connecting tee is provided with a limiting plate, the movable link is located between the second adapter pipe and the limiting plate, and the limiting plate is provided with a second through hole for part of the movable link to penetrate.

[0012] Further, the spring is located between the movable link and the limiting plate, and opposite ends of the spring in the extension direction abut against the movable link and the limiting plate respectively.

[0013] Further, the connecting hole comprises a first through hole and a second through hole connected with each other, the axial direction of the first through hole is consistent with the axial direction of the third interface and is perpendicular to the axial direction of the second through hole, and the connecting pipe is in communication with the first through hole when the connecting pipe abuts against the movable rod.

[0014] Further, the sampling box is provided with a partition plate, the partition plate divides the internal space of the sampling box into a first chamber and a second chamber, the gas bag is located in the first chamber, and the air pump is located in the second chamber and is provided with an air suction pipe extending into the first chamber.

[0015] Further, the sampling box is provided with a window communicating with the first chamber, and the sampling box is further provided with a rotatable sealing cover covering the window.

[0016] Compared with the prior art, the utility model has the beneficial effects that: by adopting the connecting tee provided in the sampling box and matched with the sampling assembly, the flushing assembly and the collecting assembly, when the odor pollution source is collected, the gas bag is sleeved on the connecting head, the connecting head and the connecting pipe are combined, the connecting pipe is installed to the third opening, at this time, the movable rod is moved under the pushing of the connecting pipe, so that the connecting tee, the connecting hole, the connecting pipe and the gas bag are sequentially communicated, the sampling gun is close to the odor pollution source, the air pump is started to vacuumize the sampling box and the polluted gas is sucked into the gas bag, so that the polluted gas sample is obtained, after the sampling is completed, the connecting pipe is detached from the connecting tee, the gas bag is taken out from the sampling box together with the sample, after the connecting pipe is taken off, the movable rod is reset under the driving of the spring, so that the connection of the connecting hole and the connecting tee is disconnected, the third opening is closed through the movable rod, at this time, the flushing valve is opened, the water inlet pipe is connected with the external water source, so that the clean water enters the connecting tee from the second opening, and the clean water is flowed in the connecting tee, the sampling pipe and the sampling gun, so that the residual pollutants are removed, the technical problem that the polluted gas is attached to the inner wall of the sampling system to cause the error of the detection result or affect the normal use of the sampling system is solved, the technical effect that the sampling device is conveniently cleaned and the sample cross contamination is prevented is generated, and the operation is simple and the use is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure schematic view of the odor pollution source sampling device of an embodiment of the utility model;

[0018] Figure 2 It is a sectional view of the odor pollution source sampling device of an embodiment of the utility model;

[0019] Figure 3 It is Figure 2 It is an enlarged view of A in the middle;

[0020] Figure 4 It isFigure 2 Enlarged view at middle B;

[0021] Figure 5 Partially cutaway view of the collection assembly of the malodorous pollution source sampling device of one embodiment of the present application after removal;

[0022] Figure 6 Exploded view of the partially collection assembly of the malodorous pollution source sampling device of one embodiment of the present application.

[0023] In the above drawings: 1, sampling box; 11, air suction pump; 12, partition; 13, air suction pipe; 14, sealing cover; 15, first chamber; 16, second chamber; 2, sampling assembly; 21, sampling gun; 22, sampling pipe; 23, connecting sleeve; 24, first threaded portion; 3, flushing assembly; 31, flushing valve; 32, water inlet pipe; 33, knob; 4, collection assembly; 41, connecting pipe; 42, connecting head; 43, air bag; 44, elastic buckle; 45, clamping groove; 46, second threaded portion; 5, connecting tee; 51, first interface; 52, second interface; 53, third interface; 54, first adapter pipe; 55, first threaded hole; 56, second adapter pipe; 57, second threaded hole; 58, limiting plate; 59, first through hole; 6, movable rod; 61, connecting hole; 62, first via hole; 63, second via hole; 7, spring. DETAILED DESCRIPTION

[0024] The technical solutions of the present application will be further described below in conjunction with the drawings and embodiments.

[0025] As Figures 1 to 6 shown, the malodorous pollution source sampling device of one embodiment of the present application is used for collecting the gas pollution source producing malodorous odor, for subsequent detection of the intensity and concentration of the malodorous pollution source.

[0026] Please refer to Figure 1 , Figure 2 and Figure 3The malodorous pollution source sampling device comprises a sampling box 1 and a gas suction pump 11 arranged in the sampling box 1, the gas suction pump 11 is used for vacuumizing the sampling box 1, and a connecting tee 5 is arranged in the sampling box 1, the connecting tee 5 has a first interface 51, a second interface 52 and a third interface 53 which are communicated with each other; the malodorous pollution source sampling device further comprises a sampling assembly 2, a flushing assembly 3 and a collecting assembly 4, wherein the sampling assembly 2 comprises a sampling gun 21 and a sampling pipe 22 communicated with the sampling gun 21, one end of the sampling pipe 22 away from the sampling gun 21 is matched with the first interface 51 so as to communicate the sampling gun 21 with the connecting tee 5, the flushing assembly 3 comprises a flushing valve 31 and a water inlet pipe 32 communicated with the flushing valve 31, the flushing valve 31 is matched with the second interface 52, one end of the water inlet pipe 32 away from the flushing valve 31 extends out of the sampling box 1, the water inlet pipe 32 is used for connecting an external water source and the flushing valve 31 is controlled so that the clean water of the external water source enters the connecting tee 5, the collecting assembly 4 comprises a connecting pipe 41, a connecting head 42 and a gas bag 43, the connecting pipe 41 is detachably connected with the connecting head 42, and the connecting head 42 presses the opening of the gas bag 43 against the inner wall of the connecting pipe 41, the third interface 53 is provided with a movable activity rod 6 and a spring 7 abutting against the activity rod 6, the activity rod 6 has a connecting hole 61, the spring 7 drives the activity rod 6 to move towards the opening of the third interface 53 and makes the connecting hole 61 not communicated with the connecting tee 5, the connecting pipe 41 is detachably connected with the third interface 53, when the connecting pipe 41 is installed on the third interface 53, the connecting pipe 41 is communicated with the connecting hole 61 and pushes the activity rod 6 to move away from the opening of the third interface 53 so that the connecting hole 61 is communicated with the connecting tee 5, that is, when the connecting pipe 41 is installed on the third interface 53, the activity rod 6 is driven to move by the connecting rod, so that the connecting tee 5, the connecting hole 61, the connecting pipe 41 and the gas bag 43 are communicated in sequence, and when the connecting pipe 41 is taken off from the third interface 53, the activity rod 6 is reset under the driving of the spring 7 and the third interface 53 is closed.

[0027] Specifically, the operation steps of sampling by using the malodorous pollution source sampling device provided in the embodiment are as follows: first, the sampling box 1 is moved to a position at a certain distance from the malodorous pollution source, the air bag 43 is sleeved on the connecting head 42, then the connecting head 42 is combined with the connecting pipe 41, and then the connecting pipe 41 is installed to the third opening, so that the movable rod 6 is moved under the pushing of the connecting pipe 41, at this time, the connecting tee 5, the connecting hole 61, the connecting pipe 41 and the air bag 43 are sequentially communicated, the sampler 21 is held by the operator to approach the malodorous pollution source, and then the air pump 11 is turned on, at this time, the polluted gas is sucked into the air bag 43 to make the air bag 43 gradually expand, and the polluted gas sample can be obtained, after sampling is completed, the opening of the air bag 43 is tightly tied, the connecting pipe 41 is detached from the connecting tee 5, and the air bag 43 together with the sample can be taken out from the sampling box 1; when the inside of the malodorous pollution source sampling device needs to be cleaned, the movable rod 6 is reset under the driving of the spring 7 after the connecting pipe 41 is detached, at this time, the connecting hole 61 is disconnected from the connecting tee 5 and the third opening is closed by the movable rod 6, the water inlet pipe 32 is connected with an external water source, the flushing valve 31 is turned on, and then the clean water enters the connecting tee 5 from the second opening, and the flow of the clean water in the connecting tee 5, the sampling pipe 22 and the sampler 21 can clean, so that the pollutants remaining in the malodorous pollution source sampling device are removed. The malodorous pollution source sampling device provided in the embodiment can conveniently clean the inside thereof, prevent sample cross contamination caused by residual pollutants, ensure that the detection result is accurate and reliable, and the malodorous pollution source sampling device is simple to operate and convenient to use.

[0028] As shown in Figure 2 and Figure 4 The connecting tee 5 is provided with a first adapter pipe 54, the first adapter pipe 54 is sleeved on the first interface 51, the first adapter pipe 54 has a first threaded hole 55, the end of the sampling pipe 22 is provided with a connecting sleeve 23, and the connecting sleeve 23 is provided with a first threaded part 24 matched with the first threaded hole 55. The first adapter pipe 54 is arranged at the first interface 51, the connecting sleeve 23 is arranged at the end of the sampling pipe 22, the first threaded part 24 on the connecting sleeve 23 is matched with the first threaded hole 55 on the first adapter pipe 54, the sampling pipe 22 and the connecting tee 5 are fixedly connected, the cooperation between the sampling pipe 22 and the connecting tee 5 is reliable, and the leakage of the polluted gas from the connection between the sampling pipe 22 and the connecting tee 5 during sampling is prevented.

[0029] In detail, the flushing assembly 3 further comprises a water pipe joint at the end of the water inlet pipe 32 extending out of the sampling box 1. The water pipe joint is used to connect with an external water source to facilitate the connection of the water inlet pipe 32 with the external water source, thereby facilitating the use of the foul odor pollution source sampling device, and the flushing valve 31 is provided with a knob 33 extending out of the sampling box 1. The knob 33 can be conveniently operated to control the opening or closing of the flushing valve 31.

[0030] Please refer to Figure 3 and Figure 6 The connecting head 42 is provided with an elastic buckle 44, the connecting pipe 41 is provided with a clamping groove 45 matched with the elastic buckle 44, and the elastic buckle 44 presses part of the air bag 43 into the clamping groove 45. When the collecting assembly 4 is combined, the opening of the air bag 43 is first passed through the middle of the connecting head 42, then the opening of the air bag 43 is turned down to be close to the outer peripheral wall of the connecting head 42, and then the connecting head 42 is inserted into the connecting pipe 41 so that the elastic buckle 44 is clamped into the clamping groove 45. At this time, the elastic buckle 44 presses the air bag 43 tightly against the inner wall of the connecting pipe 41 and presses part of the air bag 43 into the clamping groove, so that the position of the air bag 43 in the connecting pipe 41 remains stable while ensuring that the air bag 43 is in communication with the connecting pipe 41, and avoiding the leakage of pollution gas from the clamping groove during sampling.

[0031] In the embodiment, the connecting tee 5 is provided with a second adapter pipe 56, the second adapter pipe 56 is sleeved on the third interface 53 and has a second threaded hole 57 and a first through hole 59 in communication, the end of the connecting pipe 41 has a second threaded part 46 matched with the second threaded hole 57, and part of the connecting pipe 41 penetrates into the connecting tee 5 through the first through hole 59 and abuts against the movable rod 6. The connecting pipe 41 is installed on the second adapter pipe 56 through the matching of the second threaded part 46 and the second threaded hole 57, and the connecting pipe 41 is kept at the third interface 53, and during the installation of the connecting pipe 41, part of the connecting pipe 41 penetrates into the connecting tee 5 through the first through hole 59 and abuts against the movable rod 6, and the movable rod 6 is moved away from the opening of the third interface 53 under the pushing of the connecting pipe 41, so that the movable rod 6 is automatically moved to the position where the connecting hole 61 is in communication with the connecting tee 5, and during the movement of the movable rod 6, the spring 7 is further compressed. When the connecting pipe 41 needs to be removed, the connecting pipe 41 is rotated in the opposite direction, and during the removal of the connecting pipe 41, the spring 7 gradually recovers to the original length, so that the movable rod 6 is moved to the position where the connecting hole 61 is disconnected with the connecting tee 5, thereby preventing the clean water from being discharged from the third interface 53 during the flushing process.

[0032] As shown in Figure 3 and Figure 5 The connecting tee 5 is provided with a limiting plate 58, the movable rod 6 is located between the second adapter pipe 56 and the limiting plate 58, and the limiting plate 58 is provided with a second through hole for part of the movable rod 6 to penetrate. The limiting plate 58 is used to limit the stroke of the movable rod 6 moving in the connecting tee 5, which is beneficial to improve the stability of the movable rod 6 during movement, and part of the movable rod 6 penetrates through the second through hole when the movable rod 6 is pushed to move by the connecting pipe 41, so that the opening of the connecting hole 61 can extend into the connecting tee 5, ensuring that the connecting hole 61 is in communication with the connecting tee 5.

[0033] Specifically, the spring 7 is located between the movable rod 6 and the limiting plate 58, and the opposite ends of the spring 7 in the extension direction abut against the movable rod 6 and the limiting plate 58, respectively. By arranging the spring 7 between the movable rod 6 and the limiting plate 58, the spring 7 can abut against the movable rod 6 during the movement of the movable rod 6, preventing the spring 7 from being separated from the movable rod 6 during the movement of the movable rod 6, thereby improving the structural stability of the foul odor pollution source sampling device.

[0034] Please refer to Figure 5The connecting hole 61 comprises a first through hole 62 and a second through hole 63 in communication, the axial direction of the first through hole 62 is consistent with the axial direction of the third interface 53 and is perpendicular to the axial direction of the second through hole 63, and the connecting pipe 41 is in communication with the first through hole 62 when the connecting pipe 41 abuts against the movable rod 6. The connecting hole 61 is composed of the first through hole 62 and the second through hole 63 which are perpendicular to each other, wherein the first through hole 62 is in abutment with the connecting pipe 41 when the connecting pipe 41 abuts against the movable rod 6, and the second through hole 63 enters the connecting tee 5 and is in communication with the connecting tee 5 or exits the connecting tee 5 to disconnect the connecting hole 61 from the connecting tee 5 with the movement of the movable rod 6.

[0035] As shown in Figure 1 and Figure 2 The sampling box 1 is provided with a partition plate 12, the partition plate 12 divides the internal space of the sampling box 1 into a first chamber 15 and a second chamber 16, the air bag 43 is located in the first chamber 15, and the air pump 11 is located in the second chamber 16 and is provided with an air suction pipe 13 extending into the first chamber 15. The partition plate 12 provided in the sampling box 1 is used to divide the internal space of the sampling box 1 into a first chamber 15 and a second chamber 16, the air bag 43 is placed in the first chamber 15 during sampling, and the air pump 11 is installed in the second chamber 16 and evacuates the first chamber 15 through the air suction pipe 13, ensuring that the air pressure in the first chamber 15 generates a certain difference with the air pressure of the external environment under the action of the air pump 11, so that the polluted gas at the pollution source is sucked into the air bag 43.

[0036] In detail, the sampling box 1 is provided with a window in communication with the first chamber 15, and the sampling box 1 is further provided with a rotatable sealing cover 14 covering the window. The window is used to load the collection assembly into the sampling box 1 or take the collection assembly out of the sampling box 1, and the window can be closed or opened by rotating the sealing cover 14, facilitating the use of the malodorous pollution source sampling device.

[0037] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A device for sampling odor pollution sources, comprising a sampling box and an air pump disposed in the sampling box, characterized in that: The sampling box is provided with a connecting tee, which has a first interface, a second interface and a third interface that are connected to each other, and also includes a sampling assembly, a flushing assembly and a collection assembly. The sampling assembly includes a sampling gun and a sampling tube connected to the sampling gun, and the end of the sampling tube away from the sampling gun cooperates with the first interface, the flushing assembly includes a flushing valve and a water inlet pipe connected to the flushing valve, the flushing valve cooperates with the second interface, and the end of the water inlet pipe away from the flushing valve extends out of the sampling box, the collection assembly includes a connecting pipe, a connecting head and an air bag, the connecting pipe and the connecting head are detachably connected and the connecting head presses the opening of the air bag against the inner wall of the connecting pipe, a movable active rod and a spring abutting the movable rod are provided in the third interface, the movable rod has a connecting hole, the spring drives the movable rod to move in the direction close to the opening of the third interface and disconnects the connecting hole from the connecting tee, the connecting pipe is detachably connected to the third interface, and when the connecting pipe is installed on the third interface, it is connected to the connecting hole and pushes the movable rod to move in the direction away from the opening of the third interface to connect the connecting hole with the connecting tee.

2. The odor pollution source sampling device according to claim 1, characterized in that: The connecting tee is provided with a first transfer tube, the first transfer tube sleeve is provided on the first interface and the first transfer tube has a first threaded hole, the end of the sampling tube is provided with a connecting sleeve, and the connecting sleeve is provided with a first threaded portion that matches the first threaded hole.

3. The odor pollution source sampling device according to claim 1, characterized in that: The flushing assembly further comprises a water pipe joint, which is located at one end of the water inlet pipe extending out of the sampling box.

4. The odor pollution source sampling device according to claim 1, characterized in that: An elastic buckle is provided on the connecting head, a slot matching the elastic buckle is provided on the connecting pipe, and the elastic buckle presses part of the air bag into the slot.

5. The odor pollution source sampling device according to claim 1, characterized in that: A second adapter tube is provided on the connecting tee, the second adapter tube is sleeved on the third interface and the second adapter tube has a second threaded hole and a first through hole that are connected to each other, the end of the connecting tube has a second threaded portion that matches the second threaded hole, and part of the connecting tube passes through the first through hole and extends into the connecting tee to abut against the movable rod.

6. The odor pollution source sampling device according to claim 5, characterized in that: A limiting plate is provided in the connecting tee, the movable rod is located between the second transfer tube and the limiting plate, and a second through hole for a portion of the movable rod to pass through is provided on the limiting plate.

7. The odor pollution source sampling device according to claim 6, characterized in that: The spring is located between the movable rod and the limiting plate, and two opposite ends of the spring in the expansion and contraction direction are respectively in contact with the movable rod and the limiting plate.

8. The odor pollution source sampling device according to claim 1, characterized in that: The connecting hole includes a first through hole and a second through hole that are connected to each other. The axial direction of the first through hole is consistent with the axial direction of the third interface and is perpendicular to the axial direction of the second through hole. When the connecting tube abuts the movable rod, it is connected to the first through hole.

9. The odor pollution source sampling device according to claim 1, characterized in that: A partition is provided in the sampling box, which divides the internal space of the sampling box into a first chamber and a second chamber. The air bag is located in the first chamber, the vacuum pump is located in the second chamber, and the vacuum pump is provided with a vacuum pipe extending into the first chamber.

10. The odor pollution source sampling device according to claim 9, characterized in that: The sampling box is provided with a window communicating with the first chamber, and the sampling box is also provided with a rotatable sealing cover, and the sealing cover covers the window.

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