CN220188487U - Drinking water peculiar smell detection device based on electronic nose - Google Patents
Drinking water peculiar smell detection device based on electronic nose Download PDFInfo
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- CN220188487U CN220188487U CN202321943825.8U CN202321943825U CN220188487U CN 220188487 U CN220188487 U CN 220188487U CN 202321943825 U CN202321943825 U CN 202321943825U CN 220188487 U CN220188487 U CN 220188487U
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- drinking water
- cover plate
- detection device
- plate
- electronic nose
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- 238000001514 detection method Methods 0.000 title claims abstract description 45
- 239000003651 drinking water Substances 0.000 title claims abstract description 38
- 235000020188 drinking water Nutrition 0.000 title claims abstract description 38
- 238000005070 sampling Methods 0.000 claims abstract description 79
- 238000007789 sealing Methods 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 36
- 230000008602 contraction Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of drinking water odor detection, and provides a drinking water odor detection device based on an electronic nose, which comprises a frame, a sampling tube and a bottom plate; the device comprises a base plate, a sliding rail, a placing plate, a cover plate and a telescopic device, wherein the placing plate is arranged on the sliding rail in a sliding manner and is positioned above the base plate; the cover plate is arranged on the sliding rail in a sliding way and is positioned above the placing plate and below the sampling tube, a sampling hole is formed in the cover plate, and the sampling tube is in sliding connection with the sampling hole; the telescopic device is fixedly arranged on the bottom plate, and the telescopic end of the telescopic device is fixedly connected with the placing plate. According to the utility model, the placing plate, the cover plate and the telescopic device are arranged, and the sampling hole for the sampling tube to pass through is formed in the cover plate, so that the water sample container can be sealed, the detection environment is relatively closed, and the accuracy of the detection result of the detection device is improved.
Description
Technical Field
The utility model relates to the technical field of drinking water odor detection, in particular to a drinking water odor detection device based on an electronic nose.
Background
The electronic nose technology is widely applied in the field of drinking water odor detection, and can rapidly and accurately detect the odor in the drinking water by utilizing the cooperation of components such as the gas sensor array, the signal acquisition circuit, the signal processing circuit and the like, and timely discover and process the odor pollution source, so that the drinking water safety of people is ensured.
The utility model with the prior publication number of CN206684130U discloses an electronic nose micro-mechanical device, which is provided with a double-screen device, and can be checked by operators on two sides through a double display screen rotationally arranged by rotating a firmware, so that problems can be found in time, and the accuracy of measured data is improved.
In the above technical scheme, in order to realize the collection of gas sensor to sample smell, it has set up pick-up board and valve, will await measuring the sample and place on the pick-up board, and the mode that the valve was opened again lets sample smell transmit to sampling tube and gas sensor in to carry out the peculiar smell and detect, however, when detecting the sample with this structure, the sample directly exposes in the detection environment, not only can pollute the surrounding environment, and its peculiar smell concentration still can be diluted, reduces the accuracy of testing result.
Disclosure of Invention
In view of the above, the utility model provides a drinking water odor detection device based on an electronic nose, which can relatively seal a detection environment and improve the accuracy of a drinking water odor concentration detection result.
The technical scheme of the utility model is realized as follows: the utility model provides a drinking water peculiar smell detection device based on an electronic nose, which comprises a frame, a sampling tube and a bottom plate, wherein,
the sampling tube and the bottom plate are fixedly arranged on the frame;
also comprises a sliding rail, a placing plate, a cover plate and a telescopic device, wherein,
the sliding rail is fixedly arranged between the frame and the bottom plate;
the placing plate is arranged on the sliding rail in a sliding way and is positioned above the bottom plate;
the cover plate is arranged on the sliding rail in a sliding way and is positioned above the placing plate and below the sampling tube, a sampling hole is formed in the cover plate, and the sampling tube is in sliding connection with the sampling hole;
the telescopic device is fixedly arranged on the bottom plate, and the telescopic end of the telescopic device is fixedly connected with the placing plate.
On the basis of the technical scheme, preferably, a chute is formed in one side, close to the sampling tube, of the cover plate, the chute is communicated with the sampling hole, and a sealing block is arranged in the chute in a sliding manner and used for selectively sealing the sampling hole.
Still further preferably, the sealing blocks are provided with two sealing blocks opposite to each other with respect to the center line of the sampling hole, a first spring is fixedly provided at one end of the sealing block away from the sampling hole, and one end of the first spring away from the sealing block abuts against the cover plate.
Still further preferably, an end of the sealing block adjacent to the sampling hole is wedge-shaped.
Still more preferably, a limiting block is integrally formed in the chute, and the limiting block is located between the two sealing blocks and abuts against the two sealing blocks, and is used for limiting the two sealing blocks.
On the basis of the technical scheme, preferably, the sliding rail is sleeved with a second spring, and two ends of the second spring are respectively propped against the cover plate and the frame.
Still further preferably, a third spring is sleeved on the sliding rail, and two ends of the third spring are respectively propped against the cover plate and the placing plate.
Still further preferably, a placement groove is formed in one side, close to the cover plate, of the placement plate, and the placement groove and the sampling tube are coaxially arranged.
Still more preferably, the placement groove is a tapered groove, and an inner diameter of the placement groove near one end of the cover plate is larger than an inner diameter of the placement groove near one end of the telescopic device.
On the basis of the technical scheme, preferably, the telescopic device is an electric telescopic rod.
Compared with the prior art, the drinking water peculiar smell detection device based on the electronic nose has the following beneficial effects:
(1) By arranging the placing plate, the cover plate and the telescopic device, only the sampling hole for the sampling tube to pass through is formed in the cover plate, the water sample containing container can be sealed, the detection environment is relatively closed, and therefore the accuracy of the detection result of the detection device is improved;
(2) By arranging the first spring and the sealing block, the sampling hole can be automatically plugged before and after water sample detection, so that the pollution caused by the diffusion of peculiar smell in the water sample into the surrounding environment is prevented;
(3) Through seting up conical standing groove on placing the board, not only can be fast hold container and sampling tube with the water sample and carry out coaxial alignment, can also be suitable for the water sample that different specifications holds the container.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of a drinking water odor detection device based on an electronic nose;
fig. 2 is a perspective view of a base plate of the electronic nose-based drinking water odor detection device of the present utility model;
FIG. 3 is a front view of a sampling tube in an electronic nose-based drinking water odor detection device of the present utility model;
FIG. 4 is an exploded view of a seal block in an electronic nose-based drinking water odor detection device of the present utility model;
FIG. 5 is a cross-sectional view of a seal block in an electronic nose-based drinking water odor detection device of the present utility model;
fig. 6 is a perspective view of a placement plate in the electronic nose-based drinking water odor detection device of the present utility model;
fig. 7 is a cross-sectional view of a placement groove in the drinking water odor detection device based on the electronic nose.
Wherein: 1. a frame; 2. a sampling tube; 3. a bottom plate; 4. a slide rail; 41. a second spring; 42. a third spring; 5. placing a plate; 501. a placement groove; 6. a cover plate; 61. a sealing block; 62. a first spring; 63. a limiting block; 601. a sampling hole; 602. a chute; 7. a telescoping device.
Detailed Description
The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
As shown in fig. 1-7, the drinking water peculiar smell detection device based on the electronic nose comprises a frame 1, a sampling tube 2, a bottom plate 3, a sliding rail 4, a placing plate 5, a cover plate 6 and a telescopic device 7.
The rack 1 is a main body frame of the detection device and is used for bearing and protecting other components.
The sampling tube 2 is used for collecting the smell of the drinking water, the sampling tube 2 is fixedly arranged on the frame 1, after the smell of the drinking water enters the sampling tube 2, the gas sensor array, the signal acquisition circuit, the signal processing circuit and other components are matched, and whether the drinking water contains peculiar smell and the type and the content of the peculiar smell can be identified, so that the drinking water is the prior art.
The bottom plate 3 is a fixed supporting structure, and the bottom plate 3 is fixedly arranged on the frame 1.
The sliding rail 4 is used for enabling the placing plate 5 and the cover plate 6 to slide, the sliding rail 4 is fixedly arranged between the frame 1 and the bottom plate 3, two sliding rails are preferably symmetrically arranged about the central line of the bottom plate 3, and the whole structure can be firmer.
The placing plate 5 is used for bearing a water sample placing container, and the placing plate 5 is arranged on the sliding rail 4 in a sliding way and is positioned above the bottom plate 3, so that the water sample placing container can move up and down in the detection device.
The apron 6 is used for carrying out the closing cap to the water sample holding container, not only can prevent that the peculiar smell in the water sample from being diluted by the air in the environment, can also prevent that the peculiar smell from diffusing to cause the pollution in the surrounding environment, apron 6 slip sets up on slide rail 4, and be located the top of placing board 5 and the below of sampling tube 2, sample hole 601 has been seted up in the apron 6, and sampling tube 2 and sample hole 601 sliding connection, when detecting the water sample, place the water sample holding container on placing board 5 after, utilize the slip of apron 6 to carry out the closing cap to the water sample holding container, then upwards slip places board 5, can let sampling tube 2 penetrate sample hole 601, gather the air in the water sample holding container, in order to carry out the peculiar smell detection.
Further, since the opening of the sampling hole 601 can also cause the problem of outward diffusion of a small amount of water sample gas, the sliding groove 602 can be further formed in one side, close to the sampling tube 2, of the cover plate 6, the sliding groove 602 is communicated with the sampling hole 601, the sealing block 61 is slidably arranged in the sliding groove 602 and is used for selectively plugging the sampling hole 601, when a water sample needs to be detected, the sealing block 61 is slid, the sampling hole 601 is not plugged, the sampling tube 2 can pass through the sampling hole 601, and before and after the detection process of the odor of the water sample, the sealing block 61 can be slid, the sampling hole 601 is plugged, so that the odor of the water sample is prevented from diffusing into the detection environment along the sampling hole 601.
Furthermore, two sealing blocks 61 can be arranged opposite to each other with respect to the center line of the sampling hole 601, and a first spring 62 is fixedly arranged at one end of the sealing block 61 away from the sampling hole 601, so that one end of the first spring 62 away from the sealing block 61 abuts against the cover plate 6, and in a natural state, the two sealing blocks 61 are abutted and pressed by the two first springs 62, so that the two sealing blocks 61 can be attached to each other to seal the sampling hole 601, and therefore, when the sampling hole 601 needs to be sealed, the sealing block 61 does not need to be manually slid any more; correspondingly, one end of the sealing block 61 near the sampling hole 601 may be provided with a wedge shape, as shown in fig. 5, the right side of the upper side of the left sealing block 61 and the left side of the upper side of the right sealing block 61 are wedge surfaces, i.e. inclined surfaces, when the sampling tube 2 is pressed down against the two sealing blocks 61, the wedge surfaces decompose the vertical downward force of the sampling tube 2 into a part of transverse force, so that the two sealing blocks 61 are separated, and the sampling hole 601 is automatically exposed without manual operation.
With the use of the device, the expansion and contraction amounts of the two first springs 62 may be different, so that the joint surfaces of the two sealing blocks 61 are not coincident with the axis of the sampling hole 601, in order to solve the problem, a limiting block 63 may be integrally formed in the chute 602, so that the limiting block 63 is located between the two sealing blocks 61 and abuts against the two sealing blocks 61, and is used for limiting the two sealing blocks 61, as in fig. 4 and fig. 5, even if the elastic force and expansion and contraction amounts of the two first springs 62 are different, the joint surfaces of the two sealing blocks 61 are coincident with the axis of the sampling hole 601.
The telescopic device 7 provides power for the movement of the placing plate 5, the telescopic device 7 is fixedly arranged on the bottom plate 3, the telescopic end of the telescopic device 7 is fixedly connected with the placing plate 5, as shown in fig. 3, when the telescopic device 7 stretches, the placing plate 5 can be driven to move upwards, so that the sampling tube 2 penetrates into the sampling hole 601, and when the telescopic device 7 contracts, the placing plate 5 can be driven to move downwards, so that the sampling tube 2 is separated from the water sample containing container; specifically, in order to provide the telescopic device 7 with a good response speed and precision, the telescopic device 7 is preferably an electric telescopic rod.
As a preferred embodiment, in order to improve the sealing performance of the cover plate 6 to the water sample container, the slide rail 4 may be sleeved with a second spring 41, so that two ends of the second spring 41 respectively abut against the cover plate 6 and the frame 1, and the cover plate 6 abuts against the opening of the water sample container by abutting against the cover plate 6 by the second spring 41.
Further, a third spring 42 may be sleeved on the sliding rail 4, so that two ends of the third spring 42 are respectively abutted against the cover plate 6 and the placement plate 5, and the cover plate 6 and the placement plate 5 are separated in an initial state, so that a water sample container is conveniently placed on the placement plate 5, the elastic force of the third spring 42 should be smaller than that of the second spring 41, and the length of the second spring 41 should be smaller than that of the water sample container.
When placing the water sample and hold the container, the position of water sample and hold the container on placing the board 5 is required, need let sampling tube 2 can insert the open-top that water sample held the container, preferably let water sample hold container and sampling tube 2 coaxial setting, consequently, can set up standing groove 501 in placing board 5 one side that is close to apron 6, let standing groove 501 and sampling tube 2 coaxial setting, when placing in standing groove 501 with the water sample and hold the container of the specification that standing groove 501 corresponds, can naturally set up with sampling tube 2 coaxial.
Further, in order to make the placing groove 501 be suitable for water sample containing containers with different specifications, the placing groove 501 may be configured as a conical groove, and the inner diameter of one end of the cover plate 6 close to the conical groove is larger than the inner diameter of one end of the cover plate close to the telescopic device 7, as shown in fig. 7, when the cover plate 6 abuts against the water sample containing container, the bottom of the water sample containing container abuts against inclined surfaces on two sides in the placing groove 501, so that water sample containing containers with different specifications and the sampling tube 2 are coaxially arranged.
The using method of the drinking water peculiar smell detection device based on the electronic nose comprises the following steps:
when the odor of the drinking water is required to be detected, firstly, the water sample containing container is placed in the placing groove 501, the second spring 41 is utilized to support the cover plate 6, the cover plate 6 seals the water sample containing container, then the telescopic device 7 is controlled to extend, the placing plate 5 is driven to move upwards, the lower end of the sampling tube 2 supports the sealing block 61 and is inserted into the sampling hole 601, so that the gas in the water sample containing container is transmitted to the gas sensor of the electronic nose through the sampling tube 2, the signal acquisition circuit and the signal processing circuit are matched to detect the odor of the drinking water, and after the detection is finished, the telescopic device 7 is controlled to shrink, the cover plate 6 is separated from the sampling tube 2, and the water sample containing container is taken down.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. An electronic nose-based drinking water odor detection device comprises a frame (1), a sampling tube (2) and a bottom plate (3), wherein,
the sampling tube (2) and the bottom plate (3) are fixedly arranged on the frame (1);
the method is characterized in that: also comprises a sliding rail (4), a placing plate (5), a cover plate (6) and a telescopic device (7), wherein,
the sliding rail (4) is fixedly arranged between the frame (1) and the bottom plate (3);
the placing plate (5) is arranged on the sliding rail (4) in a sliding manner and is positioned above the bottom plate (3);
the cover plate (6) is arranged on the sliding rail (4) in a sliding manner and is positioned above the placing plate (5) and below the sampling tube (2), a sampling hole (601) is formed in the cover plate (6), and the sampling tube (2) is in sliding connection with the sampling hole (601);
the telescopic device (7) is fixedly arranged on the bottom plate (3), and the telescopic end of the telescopic device is fixedly connected with the placing plate (5).
2. The drinking water odor detection device based on an electronic nose as defined in claim 1, wherein: a chute (602) is formed in one side, close to the sampling tube (2), of the cover plate (6), the chute (602) is communicated with the sampling hole (601), and a sealing block (61) is arranged in the chute (602) in a sliding mode and used for selectively sealing the sampling hole (601).
3. The drinking water odor detection device based on an electronic nose as defined in claim 2, wherein: two sealing blocks (61) are oppositely arranged on the center line of the sampling hole (601), a first spring (62) is fixedly arranged at one end, far away from the sampling hole (601), of each sealing block (61), and one end, far away from the sealing block (61), of each first spring (62) abuts against the cover plate (6).
4. A drinking water malodour detection device based on an electronic nose as defined in claim 3, wherein: one end of the sealing block (61) close to the sampling hole (601) is wedge-shaped.
5. The drinking water odor detection device based on an electronic nose as defined in claim 4, wherein: a limiting block (63) is integrally formed in the sliding groove (602), and the limiting block (63) is located between the two sealing blocks (61) and abuts against the two sealing blocks (61) to limit the two sealing blocks (61).
6. The electronic nose-based drinking water odor detection device of any one of claims 1-5, wherein: the sliding rail (4) is sleeved with a second spring (41), and two ends of the second spring (41) are respectively propped against the cover plate (6) and the frame (1).
7. The drinking water odor detection device based on an electronic nose as defined in claim 6, wherein: a third spring (42) is sleeved on the sliding rail (4), and two ends of the third spring (42) are respectively propped against the cover plate (6) and the placing plate (5).
8. The electronic nose-based drinking water odor detection device of claim 7, wherein: the placing plate (5) is close to one side of the cover plate (6) and provided with a placing groove (501), and the placing groove (501) and the sampling tube (2) are coaxially arranged.
9. The drinking water odor detection device based on an electronic nose of claim 8, wherein: the placing groove (501) is a conical groove, and the inner diameter of one end, close to the cover plate (6), of the placing groove is larger than the inner diameter of one end, close to the telescopic device (7), of the placing groove.
10. The drinking water odor detection device based on an electronic nose as defined in claim 1, wherein: the telescopic device (7) is an electric telescopic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321943825.8U CN220188487U (en) | 2023-07-21 | 2023-07-21 | Drinking water peculiar smell detection device based on electronic nose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321943825.8U CN220188487U (en) | 2023-07-21 | 2023-07-21 | Drinking water peculiar smell detection device based on electronic nose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220188487U true CN220188487U (en) | 2023-12-15 |
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ID=89101412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321943825.8U Active CN220188487U (en) | 2023-07-21 | 2023-07-21 | Drinking water peculiar smell detection device based on electronic nose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220188487U (en) |
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2023
- 2023-07-21 CN CN202321943825.8U patent/CN220188487U/en active Active
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