Two-channel pretreatment mechanism for fluid sampling

Abstract

The utility model relates to a dual-channel pretreatment mechanism for fluid sampling, which belongs to the technical field of fluid sampling, and comprises a control box and a mounting bracket, a sampling mounting mechanism is arranged in the control box, and the sampling mounting mechanism comprises a first sampling channel, a second sampling channel and an analyzer sample supply channel which are arranged in the control box, and the bottoms of the first sampling channel, the second sampling channel and the analyzer sample supply channel are respectively provided with a two-way quick joint B. According to the dual-channel pretreatment mechanism for fluid sampling, the filter element and the loop bar can be mounted easily and conveniently, and the loop bar and the control box can be communicated easily and conveniently through the arranged two-way quick connector A and the two-way quick connector B, so that the mounting efficiency of the filter assembly is improved, and the influence of silt on sampling liquid is effectively reduced in the sampling process; and two sampling channels are arranged in the control box, so that the sampling efficiency can be effectively improved, the sampling time difference is reduced, the representativeness of a sample is improved, and the reliability of a detection result is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of fluid sampling, in particular to a dual-channel pretreatment mechanism for fluid sampling. Background Art

[0002] Before testing water quality, the water to be tested must be sampled;

[0003] Most of the current fluid sampling devices are single-channel sampling structures with low sampling efficiency. The isotopic composition of the water body may lack representativeness due to the small number of samples or large differences in sampling time, which may ultimately cause the detection structure to deviate from the correct results or even produce erroneous results, resulting in poor practical effects. In view of this, the present application proposes a dual-channel pretreatment mechanism for fluid sampling. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a dual-channel pretreatment mechanism for fluid sampling, which has the advantages of easy installation of a filter assembly and can be assembled on site, thereby improving installation efficiency and practical effects. The two sampling channels can effectively improve sampling efficiency, reduce sampling time differences, improve sample representativeness, and enhance the reliability of detection results. It solves the problem that most current fluid sampling devices are single-channel sampling structures with low sampling efficiency, and are prone to lack of representativeness of water isotope composition due to a small number of samples or large differences in sampling time, ultimately causing the detection structure to deviate from the law of correct results or even produce erroneous results and poor practical effects.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dual-channel pretreatment mechanism for fluid sampling, comprising a control box and a mounting bracket, wherein a sampling mounting mechanism is arranged inside the control box;

[0006] The sampling installation mechanism includes a first sampling channel, a second sampling channel and an analyzer sample supply channel arranged inside the control box, and the bottoms of the first sampling channel, the second sampling channel and the analyzer sample supply channel are all installed with a two-way quick connector B, and the bottom of the two-way quick connector B is installed with a connecting pipe, and the bottom of the connecting pipe is detachably connected with a supporting pipe, and the bottom of the supporting pipe is installed with a two-way quick connector A;

[0007] The interior of the mounting bracket is provided with a mounting assembly for fixing the support tube, the bottom of the two-way quick connector A is provided with a sleeve rod, a filter core is sleeved on the outside of the sleeve rod, and a limit assembly for limiting the movement of the filter core is provided on the outside of the sleeve rod.

[0008] Furthermore, the mounting assembly includes a limit frame fixedly connected to the outside of the mounting bracket, a movable plate is installed inside the limit frame, and a U-shaped bolt is sleeved on the outside of the support tube.

[0009] Furthermore, a positioning hole corresponding to the position of the U-shaped bolt is opened inside the movable plate, and a fastening nut adapted to the thread of the U-shaped bolt is movably connected inside the limiting frame.

[0010] Furthermore, the limiting assembly includes a stop block fixedly connected to the outer side of the sleeve rod, a stud is fixedly connected to the bottom of the sleeve rod, and a fastening nut adapted to the thread of the stud is movably connected to the bottom of the sleeve rod.

[0011] Furthermore, the filter core is a cylindrical structure, and the inner wall of the filter core is slidably matched with the sleeve rod, and a plurality of water inlet holes are opened on the outer side of the sleeve rod.

[0012] Furthermore, a control unit is provided inside the control box, and the control unit is composed of a control panel, a relay module, a sampling pump, a pressure gauge and a solenoid valve.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] The dual-channel pretreatment mechanism for fluid sampling can limit the movement of the filter element outside the sleeve rod by means of a tightening nut and a stop block, and the provided two-way quick connector A and two-way quick connector B can facilitate the connection between the sleeve rod and the control box, so as to improve the installation efficiency of the filter assembly, thereby facilitating the effective reduction of the influence of mud and sand on the sampled liquid during the sampling process; and a first sampling channel and a second sampling channel are provided in the control box, and the synchronous operation of the two sampling channels can improve the sampling efficiency, effectively reduce the sampling time difference, improve the representativeness of the sample, enhance the reliability of the detection result, and greatly improve the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a cross-sectional view of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the installation structure of the support pipe of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the sleeve rod of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the control box of the utility model.

[0019] In the figure: 1. control box; 2. first sampling channel; 3. second sampling channel; 4. analyzer sample supply channel; 5. connecting pipe; 6. limit frame; 7. mounting bracket; 8. movable plate; 9. U-bolt; 10. support pipe; 11. two-way quick connector A; 12. sleeve rod; 1201. block; 1202. water inlet hole; 1203. stud; 13. filter element; 14. fastening nut; 15. two-way quick connector B; 16. fastening nut. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 A dual-channel pretreatment mechanism for fluid sampling in this embodiment includes a control box 1 and a mounting bracket 7, and a sampling mounting mechanism is arranged inside the control box 1.

[0022] In this embodiment, the sampling installation mechanism includes a first sampling channel 2, a second sampling channel 3 and an analyzer sample supply channel 4 arranged inside the control box 1. The bottom of the first sampling channel 2, the second sampling channel 3 and the analyzer sample supply channel 4 are all installed with a two-way quick connector B15, and the bottom of the two-way quick connector B15 is installed with a connecting pipe 5. The two-way quick connector B15 is convenient for the installation of the connecting pipe 5 and the control box 1, and the connecting pipe 5 corresponding to the position of the analyzer sample supply channel 4 can be connected to the analyzer.

[0023] Among them, the bottom of the connecting pipe 5 is detachably connected to the support pipe 10, and the interior of the mounting bracket 7 is provided with a mounting assembly for fixing the support pipe 10. The mounting assembly includes a limit frame 6 fixedly connected to the outer side of the mounting bracket 7, and a movable plate 8 is installed inside the limit frame 6. The outer side of the support pipe 10 is sleeved with a U-shaped bolt 9, so that the support pipe 10 can be pressed onto the movable plate 8 conveniently using the U-shaped bolt 9.

[0024] Among them, a positioning hole corresponding to the position of the U-shaped bolt 9 is opened inside the movable plate 8, and a fastening nut 16 that is threadably adapted to the U-shaped bolt 9 is movably connected inside the limit frame 6, so that the U-shaped bolt 9 can pass through the movable plate 8 using the positioning hole, and the fastening nut 16 can be used to limit the movement of the U-shaped bolt 9 in the movable plate 8.

[0025] In this embodiment, a two-way quick connector A11 is installed at the bottom of the support tube 10, which facilitates the installation of the support tube 10 and the sleeve rod 12 by using the two-way quick connector A11. A sleeve rod 12 is installed at the bottom of the two-way quick connector A11, and a filter core 13 is sleeved on the outside of the sleeve rod 12. The filter core 13 is a cylindrical structure, and the inner wall of the filter core 13 is slidably matched with the sleeve rod 12. A plurality of water inlet holes 1202 are opened on the outside of the sleeve rod 12, which facilitates the liquid filtered by the filter core 13 to enter the sleeve rod 12 through the water inlet holes 1202.

[0026] Among them, a limiting assembly for limiting the movement of the filter element 13 is arranged on the outside of the sleeve rod 12. The limiting assembly includes a stopper 1201 fixedly connected to the outside of the sleeve rod 12, a stud 1203 fixedly connected to the bottom of the sleeve rod 12, and a fastening nut 14 threadably matched with the stud 1203 is movably connected to the bottom of the sleeve rod 12, so that the fastening nut 14 and the stopper 1201 can be used to limit the movement of the filter element 13 outside the sleeve rod 12.

[0027] Among them, a control unit is arranged inside the control box 1, and the control unit consists of a control panel, a relay module, a sampling pump, a pressure gauge and a solenoid valve, so as to conveniently use the structure in the control box 1 to provide suction for the pipeline to draw fluid and regulate the flow direction of the liquid in the pipeline as needed.

[0028] The beneficial effects of the above embodiments are:

[0029] The dual-channel pretreatment mechanism for fluid sampling can use the fastening nut 14 and the stop block 1201 to limit the movement of the filter element 13 outside the sleeve rod 12, and the two-way quick connector A11 and the two-way quick connector B15 can facilitate the connection between the sleeve rod 12 and the control box 1, so as to improve the installation efficiency of the filter assembly, thereby effectively reducing the impact of mud and sand on the sampled liquid during the sampling process; and the control box 1 is provided with a first sampling channel 2 and a second sampling channel 3. The synchronous operation of the two sampling channels can improve the sampling efficiency, effectively reduce the sampling time difference, improve the representativeness of the sample, enhance the reliability of the detection result, and greatly improve the practicality of the device.

[0030] The working principle of the above embodiment is:

[0031] When using the dual-channel pretreatment mechanism for fluid sampling, first, the mounting bracket 7 needs to be fixed in a suitable position, and then the filter element 13 needs to be sleeved outside the sleeve rod 12, and the movement of the filter element 13 outside the sleeve rod 12 is limited by the fastening nut 14 and the stop block 1201, so that the installation of the filter element 13 is stable, and then the two-way quick connector A11 can be used to realize the quick installation of the support tube 10 and the sleeve rod 12, and the end of the support tube 10 with the filter element 13 installed is inserted into the fluid;

[0032] Afterwards, the support tube 10 can be pressed onto the movable plate 8 by using the U-bolt 9, and the support tube 10 can be installed in the limit frame 6, so as to fix the support tube 10, and then the connecting tube 5 can be installed in each channel of the control box 1 by using the two-way quick connector B15, and the three connecting tubes 5 are respectively connected to the two support tubes 10 and the analyzer, so as to provide suction force for the pipeline to suck the fluid by using the structure in the control box 1, and adjust the flow direction of the liquid in the pipeline as needed, so as to realize sampling and detection;

[0033] The synchronous operation of the two sampling channels can improve the sampling efficiency, effectively reduce the sampling time difference, improve the representativeness of the samples, enhance the reliability of the test results, and greatly improve the practicality of the device.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dual-channel pretreatment mechanism for fluid sampling, comprising a control box (1) and a mounting bracket (7), characterized in that: A sampling installation mechanism is provided inside the control box (1); The sampling installation mechanism comprises a first sampling channel (2), a second sampling channel (3) and an analyzer sample supply channel (4) arranged inside the control box (1); the first sampling channel (2), the second sampling channel (3) and the analyzer sample supply channel (4) are all installed with a two-way quick connector B (15) at the bottom; a connecting pipe (5) is installed at the bottom of the two-way quick connector B (15); a supporting pipe (10) is detachably connected to the bottom of the connecting pipe (5); and a two-way quick connector A (11) is installed at the bottom of the supporting pipe (10); The interior of the mounting bracket (7) is provided with a mounting assembly for fixing the support tube (10); the bottom of the two-way quick connector A (11) is provided with a sleeve rod (12); a filter core (13) is sleeved on the outside of the sleeve rod (12); and a limit assembly for limiting the movement of the filter core (13) is provided on the outside of the sleeve rod (12).

2. A dual-channel pretreatment mechanism for fluid sampling according to claim 1, characterized in that: The mounting assembly comprises a limit frame (6) fixedly connected to the outside of the mounting bracket (7), a movable plate (8) is installed inside the limit frame (6), and a U-shaped bolt (9) is sleeved on the outside of the support tube (10).

3. A dual-channel pretreatment mechanism for fluid sampling according to claim 2, characterized in that: A positioning hole corresponding to the position of the U-shaped bolt (9) is provided inside the movable plate (8), and a fastening nut (16) adapted to the thread of the U-shaped bolt (9) is movably connected inside the limiting frame (6).

4. A dual-channel pretreatment mechanism for fluid sampling according to claim 1, characterized in that: The limiting assembly comprises a stop block (1201) fixedly connected to the outside of the sleeve rod (12), a stud (1203) fixedly connected to the bottom of the sleeve rod (12), and a fastening nut (14) threadably matched with the stud (1203) movably connected to the bottom of the sleeve rod (12).

5. A dual-channel pretreatment mechanism for fluid sampling according to claim 1, characterized in that: The filter core (13) is a cylindrical structure, and the inner wall of the filter core (13) is slidably matched with the sleeve rod (12), and a plurality of water inlet holes (1202) are provided on the outer side of the sleeve rod (12).

6. A dual-channel pretreatment mechanism for fluid sampling according to claim 1, characterized in that: The control box (1) is provided with a control unit inside, and the control unit is composed of a control panel, a relay module, a sampling pump, a pressure gauge and a solenoid valve.

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