Multi-channel sampling device for lead and lead compounds

Abstract

The utility model provides a multichannel sampling device for lead and lead compounds. The multichannel sampling device comprises a base arranged at the bottom; the supporting plate is slidably connected to the base in the vertical direction, and a mounting space is defined by the supporting plate and the base; the bottom end of the sampling tube is fixed on the supporting plate; the pump is arranged between the sampling pipe and the supporting plate; the gas transmission raised head is arranged on the side, facing the mounting space, of the supporting plate, one end of the gas transmission raised head is communicated with the gas inlet end of the sampling cylinder, the other end of the gas transmission raised head is communicated with the gas transmission raised head, and the sampling cylinder is arranged in the mounting space. The base and the supporting plate are arranged on the multi-channel sampling device, so that the sampling tube is supported, the sampling cylinders are supported by the rotating disc, and each sampling cylinder is butted with the air transmission raised head by utilizing the rotation of the sampling cylinders, so that the continuous sampling of air is realized, and the sampling efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of data acquisition device technology, specifically to a multi-channel sampling device for lead and lead compounds. Background Technology

[0002] Lead and its compounds are generally present in the space where exhaust gases are emitted. When assessing air quality, air sampling is required. In the past, air was directly pumped into the sampling tube for sampling. This method is inefficient, cannot sample from multiple points, and is inconvenient to use. Utility Model Content

[0003] In view of this, embodiments of this specification provide a multi-channel sampling device for lead and lead compounds, so as to achieve the purpose of multi-point sampling of lead and lead compounds through multiple channels.

[0004] The embodiments in this specification provide the following technical solutions:

[0005] A multi-channel sampling device for lead and lead compounds, comprising:

[0006] A base set at the bottom;

[0007] A support plate is movably connected to the base in the vertical direction, and the support plate and the base together form an installation space;

[0008] The sampling tube is fixed at its bottom to the support plate.

[0009] The pump is connected to the sampling tube;

[0010] The gas delivery protrusion and the sampling tube are arranged in a way that the gas delivery protrusion is located on the side of the support plate facing the installation space. One end of the gas delivery protrusion is connected to the sampling tube, and the other end of the gas delivery protrusion is connected to the sampling tube. The sampling tube is located in the installation space.

[0011] Furthermore, multiple sampling nozzles are provided on the peripheral wall of the sampling tube extending vertically, and the sampling nozzles are connected to the sampling tube.

[0012] Multiple sampling nozzles are evenly distributed along the axial direction of the sampling tube.

[0013] Furthermore, the sampling nozzle also includes a connecting part and an air intake part. One end of the connecting part is connected to the sampling tube, and the other end of the connecting part is connected to the air intake part. The other end of the connecting part is provided with a first eccentric through hole, and the end of the air intake part near the connecting part is provided with a second eccentric through hole, which is connected to the first eccentric through hole.

[0014] Furthermore, a switching valve is provided on the sampling nozzle, which is used to open or close the sampling nozzle.

[0015] Furthermore, the multi-channel sampling device also includes:

[0016] A rotating disk is set in the installation space, and the bottom of the rotating disk is rotatably connected to the base;

[0017] The rotating disk has multiple mounting slots, and a sampling tube is installed in each mounting slot.

[0018] Furthermore, the multi-channel sampling device also includes elastic elements;

[0019] The elastic element is positioned between the support plate and the base, and drives the support plate to move away from or closer to the base.

[0020] Furthermore, the elastic element is one or more combinations of a coil spring, a gas spring, a spring sheet, and a rubber pad.

[0021] Furthermore, the multi-channel sampling device also includes switching components;

[0022] The switch is electrically connected to the pump's electrical circuit. When the support plate descends, it drives the switch to close and connects the pump's electrical circuit.

[0023] Furthermore, the multi-channel sampling device also includes a driving component, which is disposed between the support plate and the base. The driving component is connected to the support plate through a transmission assembly and is used to drive the support plate to rise or fall.

[0024] Furthermore, the driving component is one or more combinations of electric cylinders, pneumatic cylinders, and hydraulic cylinders.

[0025] Compared with the prior art, the beneficial effects that at least one technical solution adopted in the embodiments of this specification can achieve include at least:

[0026] The sampling tube is supported by a base and support plate on the multi-channel sampling device. The sampling tube is supported by a rotating disk. By rotating the sampling tube, each sampling tube docks with the gas delivery protrusion, thereby realizing continuous sampling of lead and lead compounds and improving sampling efficiency. Attached Figure Description

[0027] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 This is an overall schematic diagram of the multi-channel lead and its compound sampling device according to an embodiment of the present invention;

[0029] Figure 2 This is a top view of the support plate according to an embodiment of the present utility model;

[0030] Figure 3 This is a first schematic diagram of the sampling nozzle according to an embodiment of the present utility model;

[0031] Figure 4 This is a second schematic diagram of the sampling nozzle according to an embodiment of the present invention;

[0032] Figure 5 This is a third schematic diagram of the sampling nozzle according to an embodiment of the present invention.

[0033] In the figure, the reference numerals are as follows: 100, base; 110, elastic element; 120, switch element; 200, support plate; 210, gas delivery protrusion; 220, clearance opening; 300, sampling tube; 310, sampling nozzle; 310a, switch valve; 311, connection part; 312, air intake part; 313, first eccentric through hole; 314, second eccentric through hole; 400, pump; 500, rotating disk; 510, mounting groove; 520, magnetic block; 600, installation space; 700, sampling tube; 800, driving element. Detailed Implementation

[0034] The embodiments of this application will now be described in detail with reference to the accompanying drawings.

[0035] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0036] Reference Figures 1 to 5 The multi-channel lead and its compound sampling device includes a base 100, a support plate 200, a sampling tube 300, a pump 400, and a rotating disk 500.

[0037] A base 100 is located at the bottom. A support plate 200 is movably connected to the base 100 in the vertical direction, and the support plate 200 and the base 100 together form an installation space 600. A sampling tube 300 is fixed at its bottom end to the support plate 200. A pump 400 is connected to the sampling tube 300. A gas delivery protrusion 210 and a sampling cylinder 700 are also present. The gas delivery protrusion 210 is located on the side of the support plate 200 facing the installation space 600. One end of the gas delivery protrusion 210 is connected to the sampling cylinder 700, and the other end of the gas delivery protrusion 210 is connected to the sampling tube 300. The sampling cylinder 700 is located in the installation space 600.

[0038] In one embodiment, the support plate 200 is slidably connected to the base 100 vertically. It is understood that the support plate 200 can be slidably connected to the base 100 via a guide rod, or the support plate 200 can be slidably connected to the base 100 via a groove. An installation space 600 is defined between the support plate 200 and the base 100. A gas delivery protrusion 210 is provided at one end of the support plate 200 near the installation space 600. The gas delivery protrusion 210 is used to connect to the air inlet end of the sampling cylinder 700. It is understood that the gas delivery protrusion 210 is a connector used to connect to the air inlet end of the sampling cylinder 700. By raising and lowering the support plate 200, the gas delivery protrusion 210 is lowered to abut against the air inlet end of the sampling cylinder 700.

[0039] One end of the sampling tube 300 is connected to the support plate 200, and the other end of the sampling tube 300 is connected to the gas delivery protrusion 210. The sampling tube 300 extends vertically, and several sampling nozzles 310 are connected to the peripheral wall of the sampling tube 300. The several sampling nozzles 310 are evenly distributed along the axial direction of the sampling tube 300.

[0040] Pump 400 is connected between sampling tube 300 and support plate 200. Pump 400 is used to provide sampling suction. It can be understood that sampling tube 300 can be a flexible tube or a rigid tube. When sampling tube 300 is a flexible tube, the flexible tube is fixed and supported by a support rod. Similarly, sampling nozzle 310 is also fixed to the support rod, which can be fixed by cable tie or screw.

[0041] The rotating disk 500 is rotatably connected to the base 100 and is set in the installation space 600. The rotating disk 500 is provided with a number of installation slots 510 for installing sampling tubes 700. It should be noted that the number of installation slots 510 are evenly distributed around the circumference of the rotating disk 500. This is because each installation slot 510 can hold one sampling tube 700. According to the sampling needs, after the sampling tubes 700 have been collected, they can all be removed, which improves the sampling efficiency.

[0042] The base 100 and support plate 200 support the sampling tube 300, and the rotating disk 500 supports the sampling cylinder 700. By rotating the sampling cylinder 700, each sampling cylinder 700 is connected to the gas delivery protrusion 210, thereby achieving continuous air sampling and improving sampling efficiency. In addition, several sampling nozzles 310 are arranged vertically at intervals, which can collect gas samples from different spatial layers and perform multi-point sampling, which facilitates more accurate analysis of the content of lead and its compounds in the samples. The multiple sampling nozzles 310 realize multi-channel sampling, and sampling can be performed as needed to determine the sampling location.

[0043] Reference Figure 1An elastic element 110 is provided between the support plate 200 and the base 100. The elastic element 110 is used to drive the support plate 200 away from the base 100. The elastic element 110 provides elastic preload, which makes the support plate 200 easy to adjust.

[0044] In some embodiments, the elastic element 110 is a helical spring, a gas spring, a spring sheet, or a rubber pad.

[0045] Reference Figure 1 The multi-channel sampling device of this utility model embodiment also includes a driving component 800. The driving component 800 is disposed between the support plate 200 and the base 100. The driving component 800 is connected to the support plate 200 for transmission. The driving component 800 is used to drive the support plate 200 to rise and fall. The driving component 800 realizes the automatic rising and falling of the support plate 200.

[0046] In some embodiments, the drive element 800 is an electric cylinder, a pneumatic cylinder, or a hydraulic cylinder.

[0047] Reference Figure 1 A switch 120 is provided on the base 100. The switch 120 is electrically connected to the electrical circuit of the pump 400. The support plate 200 descends to drive the switch 120 to close and connect the electrical circuit of the pump 400. The switch 120 enables automatic sampling.

[0048] In some embodiments, a switching valve 310a is provided on the sampling nozzle 310, which is used to close or open the sampling nozzle 310.

[0049] Reference Figures 3 to 5 The sampling nozzle 310 includes a connecting part 311 and an air intake part 312. One end of the connecting part 311 is used to connect to the sampling tube 300, and the other end of the connecting part 311 is rotatably connected to the air intake part 312. The other end of the connecting part 311 is provided with a first eccentric through hole 313. The end of the air intake part 312 near the connecting part 311 is provided with a second eccentric through hole 314. The second eccentric through hole 314 is used to connect to the first eccentric through hole 313. It should be understood that the air intake part 312 is rotatably connected to the connecting part 311. By rotating, the second eccentric through hole 314 connects to the first eccentric through hole 313, thereby enabling the sampling nozzle 310 to function. If a certain sampling nozzle 310 is not needed, it can be blocked by rotating the air intake part 312. This allows sampling to be performed according to sampling needs.

[0050] In some embodiments, a magnetic block 520 is provided in the mounting groove 510. The magnetic block 520 is used to attract the sampling tube 700. The magnetic attraction provides stable installation and facilitates sampling. It is understood that the premise of setting the magnetic block 520 is that the sampling tube 700 is made of metal that can be attracted by a magnet.

[0051] In some embodiments, the support plate 200 is provided with a clearance opening 220, which facilitates the installation or removal of the sampling tube 700.

[0052] The beneficial effects of this utility model embodiment:

[0053] The sampling tube is supported by the base and support plate on the multi-channel sampling device in this embodiment of the invention. The rotating disk supports the sampling tube. By rotating the sampling tube, each sampling tube is connected to the gas delivery protrusion, thereby achieving continuous air sampling and improving sampling efficiency. In addition, the several sampling nozzles are arranged vertically at intervals, so that gas samples from different spatial layers can be collected for multi-point sampling, which facilitates more accurate analysis of the content of lead and its compounds in the sample.

[0054] The above description is merely a specific embodiment of this utility model and should not be construed as limiting the scope of its implementation. Therefore, any substitution of equivalent components or equivalent changes and modifications made within the scope of protection of this utility model patent should still fall within the scope of this patent. Furthermore, the technical features, technical features and technical solutions, and technical solutions in this utility model can be freely combined and used.

Claims

1. A multi-channel sampling device for lead and lead compounds, characterized in that, include: A base (100) is set at the bottom; A support plate (200) is movably connected to the base (100) in the vertical direction, and the support plate (200) and the base (100) together form an installation space (600); The sampling tube (300) is fixed at its bottom end to the support plate (200); Pump (400) is connected to the sampling tube (300); A gas delivery protrusion (210) and a sampling tube (700) are provided. The gas delivery protrusion (210) is disposed on the side of the support plate (200) facing the installation space (600). One end of the gas delivery protrusion (210) is connected to the sampling tube (700), and the other end of the gas delivery protrusion (210) is connected to the sampling tube (300). The sampling tube (700) is disposed in the installation space (600).

2. The multi-channel sampling device for lead and lead compounds according to claim 1, characterized in that, The sampling tube (300) has a plurality of sampling nozzles (310) on its peripheral wall extending in the vertical direction, and the sampling nozzles (310) are connected to the sampling tube (300). The plurality of sampling nozzles (310) are evenly distributed along the axial direction of the sampling tube (300).

3. The multi-channel sampling device for lead and lead compounds according to claim 2, characterized in that, The sampling nozzle (310) further includes a connecting part (311) and an air intake part (312). One end of the connecting part (311) is connected to the sampling tube (300), and the other end of the connecting part (311) is connected to the air intake part (312). The other end of the connecting part (311) is provided with a first eccentric through hole (313). The end of the air intake part (312) near the connecting part (311) is provided with a second eccentric through hole (314), and the second eccentric through hole (314) is connected to the first eccentric through hole (313).

4. The multi-channel sampling device for lead and lead compounds according to claim 2, characterized in that, The sampling nozzle (310) is provided with a switching valve (310a), which is used to open or close the sampling nozzle (310).

5. The multi-channel sampling device for lead and lead compounds according to claim 1, characterized in that, The multi-channel sampling device also includes: A rotating disk (500) is disposed in the mounting space (600), and the bottom of the rotating disk (500) is rotatably connected to the base (100); The rotating disk (500) is provided with a plurality of mounting slots (510), and a sampling tube (700) is installed in each mounting slot (510).

6. The multi-channel sampling device for lead and lead compounds according to claim 1, characterized in that, The multi-channel sampling device also includes an elastic element (110); The elastic element (110) is disposed between the support plate (200) and the base (100) and drives the support plate (200) away from or closer to the base (100).

7. The multi-channel sampling device for lead and lead compounds according to claim 6, characterized in that, The elastic element (110) is one or more combinations of a helical spring, a gas spring, a spring sheet, and a rubber pad.

8. The multi-channel sampling device for lead and lead compounds according to claim 1, characterized in that, The multi-channel sampling device also includes a switch (120); The switch (120) is electrically connected to the electrical circuit of the pump (400). When the support plate (200) descends, it drives the switch (120) to close and connects the electrical circuit of the pump (400).

9. The multi-channel sampling device for lead and lead compounds according to claim 1, characterized in that, The multi-channel sampling device further includes a driving component (800), which is disposed between the support plate (200) and the base (100). The driving component (800) is connected to the support plate (200) through a transmission assembly and is used to drive the support plate (200) to rise or fall.

10. The multi-channel sampling device for lead and lead compounds according to claim 9, characterized in that, The drive unit (800) is one or more combinations of electric cylinder, pneumatic cylinder and hydraulic cylinder.

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