Sampling device for oil chromatography detection

Abstract

The utility model provides a sampling device for oil chromatographic detection, and relates to the field of chromatographic detection. The sampling device for oil chromatography detection comprises a sampling body, a filtering mechanism is arranged in the sampling body, the filtering mechanism comprises a filtering bin, a first filtering plate and a second filtering plate are clamped in the filtering bin, a sweeping mechanism is arranged in the filtering bin, the sweeping mechanism comprises a first cleaning plate and a second cleaning plate, and the first cleaning plate and the second cleaning plate are arranged in the filtering bin. And the surface of the first cleaning plate is fixedly connected with a power rope. According to the sampling device for oil chromatography detection, to-be-detected oil liquid is extracted through the sampling body, impurities in the oil liquid are filtered out through a first filter plate and a second filter plate, the first filter plate and the second filter plate are cleaned through a first cleaning plate, the upper surface of the first filter plate is cleaned through a second cleaning plate, and the upper surface of the second filter plate is cleaned through a power rope. The first cleaning plate pulls the second cleaning plate to move, so that the sampling difficulty of the oil liquid is reduced, and the chromatographic detection efficiency of the oil liquid is improved.

Description

Technical Field

[0001] The utility model relates to an oil chromatography detection device, in particular to a sampling device for oil chromatography detection, belonging to the technical field of chromatography detection. Background Art

[0002] The main steps of chromatographic detection are: after the sample is extracted, it undergoes a strict purification step, and is qualitatively and quantitatively determined using techniques such as chromatography or chromatography combined with mass spectrometry. Use a high-performance liquid chromatograph or a gas chromatograph to perform qualitative or quantitative detection on certain single or multiple components in the sample to be tested. The gas chromatography rapid detection method greatly increases the detection speed by simplifying the purification steps as much as possible.

[0003] The utility model with patent number CN217212477U discloses a sealed sampler for gas chromatography detection of transformer oil, including a sampler body, a sampling head installed on the sampler body, a sampling tube fixedly installed on the sampling head, a sampling port opened on the sampler body, and a first filter plate and a second filter plate arranged in the sampler body. The utility model can filter out larger particles of impurities in the oil through the arrangement of the first filter plate and the second filter plate, prevent the impurities from remaining in the oil and affecting subsequent detection, and prevent the first filter plate and the second filter plate from being blocked and affecting subsequent filtration through the arrangement of the cleaning mechanism.

[0004] When the transformer is in use, the transformer oil needs to be tested regularly. In order to improve the detection efficiency, a chromatographic detector is used. Although the device in the above patent avoids the obstruction of detection by impurities, the filter device is cumbersome to disassemble and clean after use, and the upper surface of the first filter plate is not cleaned properly, which is easy to be blocked by impurities. For this reason, we provide a sampling device for oil chromatography detection to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The purpose of the utility model is to provide a sampling device for oil chromatography detection in order to solve the above problems, so as to solve the problem that the filter device in the comparative documents is complicated to disassemble and not clean thoroughly.

[0007] (II) Technical solution

[0008] The utility model is realized through the following technical scheme: a sampling device for oil chromatography detection.

[0009] It includes a sampling body, a filtering mechanism is arranged inside the sampling body, the filtering mechanism includes a filtering chamber, a first filter plate and a second filter plate are clamped inside the filtering chamber, a cleaning mechanism is arranged inside the filtering chamber, the cleaning mechanism includes a first cleaning plate and a second cleaning plate, and a power rope is fixedly connected to the surface of the first cleaning plate.

[0010] Preferably, a sampling needle is clamped on the top of the sampling body, a liquid outlet tube is fixedly connected to the bottom of the sampling body, a positioning groove is provided inside the sampling body, and the filter bin is slidably connected to the positioning groove, and the position of the filter bin is fixed by the positioning groove.

[0011] Preferably, a sealing ring is fixedly connected to the surface of the filter bin, and the sealing ring and the positioning groove are in conflict with each other. The surface of the sampling object is fixedly connected to a buckle for fixing the filter bin. The filter bin is sealed by the sealing ring to avoid the possibility of oil leakage.

[0012] Preferably, the middle part of the first cleaning plate is slidably connected with a sliding rod, and the sliding rod is fixedly connected to the filter bin, the two sides of the first cleaning plate are slidably connected to the first filter plate and the second filter plate respectively, and the bottom end of the second cleaning plate is slidably connected to the first filter plate, and the position of the first cleaning plate is fixed by the sliding rod.

[0013] Preferably, a threaded rod is threadedly connected to the middle part of the first cleaning plate, and the threaded rod is rotatably connected to the filter bin, a motor is fixedly connected to the surface of the filter bin, and the output end of the motor is fixedly connected to the threaded rod, and the threaded rod is driven to rotate by the motor, so that the threaded rod controls the lateral movement of the first cleaning plate.

[0014] Preferably, a sliding groove is provided on the surface of the filter bin, a slider is slidably connected inside the sliding groove, and the slider is fixedly connected to the second cleaning plate, and the position of the second cleaning plate is fixed by the sliding groove and the slider.

[0015] Preferably, the top end of the power rope passes through the filter bin and is fixedly connected to the second cleaning plate, the surface of the power rope is slidably connected to a sealing plug, and the sealing plug is fixedly connected to the filter bin, the interior of the filter bin is rotatably connected to a pulley, and the power rope is transmission-connected to the pulley, through the pulley, to reduce damage to the filter bin caused by the power rope.

[0016] The utility model provides a sampling device for oil chromatography detection, which has the following beneficial effects:

[0017] 1. The sampling device for oil chromatography detection fixes the first filter plate and the second filter plate through a filter bin, filters the oil through the first filter plate and the second filter plate, filters out impurities in the oil, avoids the impurities from affecting the oil chromatography detection, and improves the accuracy of the chromatography detection; cleans the bottom surface of the first filter plate and the upper surface of the second filter plate through the first cleaning plate; cleans the upper surface of the first filter plate through the second cleaning plate; improves the cleaning force of the first filter plate and the second filter plate through the first cleaning plate and the second cleaning plate, avoids the clogging of the first filter plate by impurities, and improves the efficiency of the first filter plate and the second filter plate in filtering the oil; the first cleaning plate pulls the second cleaning plate to move through the power rope, and at the same time cleans the impurities on the surfaces of the first filter plate and the second filter plate, thereby reducing the difficulty of sampling the oil and improving the efficiency of the oil chromatography detection.

[0018] 2. The sampling device for oil chromatography detection absorbs the oil inside the transformer through the sampling needle and transports it to the inside of the sampling body, and guides the oil to the chromatographic detector through the liquid outlet pipe, which is convenient for oil detection, reduces the difficulty of oil sampling, and improves the efficiency of oil spectrum detection. The position of the filter bin is fixed through the positioning groove to avoid the filter bin from swinging randomly during use, thereby improving the stability of the device operation. The filter bin and the positioning groove are sealed through the sealing ring to avoid the possibility of oil leakage and improve the accuracy of detection. The position of the first cleaning plate is fixed through the sliding rod so that the first cleaning plate is in The filter bin moves stably, improving the cleaning ability of the first cleaning plate to the first filter plate and the second filter plate, and the threaded rod is driven to rotate by the motor so that the threaded rod controls the lateral movement of the first cleaning plate, and the position of the second cleaning plate is fixed by the sliding groove and the slider, so that the second cleaning plate can better clean the upper surface of the first filter plate, and the sealing plug is used to prevent the device in the oil from following the power rope into the filter bin, and the position of the power rope is fixed by the pulley to reduce the damage of the power rope to the filter bin, improve the smoothness of the power rope operation, reduce the difficulty of oil sampling, and improve the efficiency of oil chromatography detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is an exploded schematic diagram of the filter mechanism structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the cleaning mechanism structure of the utility model;

[0022] Figure 4 For this utility model Figure 3 A-section structure enlarged view.

[0023]

Main component symbol description

[0024] 1. Sample collection; 2. Sampling needle; 3. Liquid outlet tube;

[0025] 4. Filter mechanism; 401. Filter chamber; 402. Positioning groove; 403. Sealing ring; 404. Buckle; 405. First filter plate; 406. Second filter plate;

[0026] 5. Cleaning mechanism; 501. First cleaning plate; 502. Second cleaning plate; 503. Sliding rod; 504. Threaded rod; 505. Motor; 506. Sliding groove; 507. Sliding block; 508. Power rope; 509. Pulley; 510. Sealing plug. DETAILED DESCRIPTION

[0027] The embodiment of the utility model provides a sampling device for oil chromatography detection.

[0028] See also Figure 1 , including a sampling body 1, a sampling needle 2 is clamped on the top of the sampling body 1, and a liquid outlet pipe 3 is fixedly connected to the bottom of the sampling body 1. The oil inside the transformer is sucked through the sampling needle 2 and transported to the inside of the sampling body 1, and the oil is guided to the chromatographic detector through the liquid outlet pipe 3, which facilitates the detection of the oil, reduces the difficulty of oil sampling, and improves the efficiency of oil spectrum detection.

[0029] See also Figure 2 A filtering mechanism 4 is provided inside the sampling body 1, and the filtering mechanism 4 includes a filtering chamber 401. A first filter plate 405 and a second filter plate 406 are clamped inside the filtering chamber 401. The first filter plate 405 and the second filter plate 406 are fixed by the filtering chamber 401, and the oil is filtered by the first filter plate 405 and the second filter plate 406 to filter out impurities in the oil, thereby preventing the impurities from affecting the oil chromatography detection and improving the accuracy of the chromatographic detection.

[0030] A positioning groove 402 is provided inside the sampling body 1, and the filter chamber 401 is slidably connected to the positioning groove 402. The positioning groove 402 fixes the position of the filter chamber 401 to prevent the filter chamber 401 from swinging randomly during use, thereby improving the stability of the device operation.

[0031] A sealing ring 403 is fixedly connected to the surface of the filter bin 401, and the sealing ring 403 and the positioning groove 402 are in conflict with each other. A buckle 404 for fixing the filter bin 401 is fixedly connected to the surface of the sample object 1. The sealing ring 403 is used to seal the filter bin 401 and the positioning groove 402, thereby avoiding the possibility of oil leakage and improving the accuracy of detection. The buckle 404 is used to fix the filter bin 401 and the sample object 1 together, thereby improving the stability of the operation of the filter bin 401.

[0032] See also Figure 3 and Figure 4 A cleaning mechanism 5 is provided inside the filter bin 401, and the cleaning mechanism 5 includes a first cleaning plate 501 and a second cleaning plate 502. A power rope 508 is fixedly connected to the surface of the first cleaning plate 501. The bottom surface of the first filter plate 405 and the upper surface of the second filter plate 406 are cleaned through the first cleaning plate 501, and the upper surface of the first filter plate 405 is cleaned through the second cleaning plate 502. The first cleaning plate 501 and the second cleaning plate 502 improve the cleaning force of the first filter plate 405 and the second filter plate 406, avoid the clogging of the first filter plate 405 by impurities, and improve the efficiency of the first filter plate 405 and the second filter plate 406 in filtering oil. The power rope 508 is used to make the first cleaning plate 501 pull the second cleaning plate 502 to move, and at the same time, the impurities on the surfaces of the first filter plate 405 and the second filter plate 406 are cleaned.

[0033] The middle part of the first cleaning plate 501 is slidably connected with a sliding rod 503, and the sliding rod 503 is fixedly connected to the filter chamber 401. The two sides of the first cleaning plate 501 are slidably connected to the first filter plate 405 and the second filter plate 406 respectively. The position of the first cleaning plate 501 is fixed by the sliding rod 503, so that the first cleaning plate 501 can move stably inside the filter chamber 401, thereby improving the cleaning ability of the first cleaning plate 501 on the first filter plate 405 and the second filter plate 406.

[0034] A threaded rod 504 is threadedly connected to the middle part of the first cleaning plate 501, and the threaded rod 504 is rotatably connected to the filter chamber 401. A motor 505 is fixedly connected to the surface of the filter chamber 401, and the output end of the motor 505 is fixedly connected to the threaded rod 504. The threaded rod 504 is driven to rotate by the motor 505, so that the threaded rod 504 controls the lateral movement of the first cleaning plate 501.

[0035] The motor 505 is a prior art, and the detailed parameters and models thereof will not be described in detail in this application.

[0036] A sliding groove 506 is provided on the surface of the filter bin 401, and a slider 507 is slidably connected inside the sliding groove 506, and the slider 507 is fixedly connected to the second cleaning plate 502. The bottom end of the second cleaning plate 502 is slidably connected to the first filter plate 405. The position of the second cleaning plate 502 is fixed by the sliding groove 506 and the slider 507, so that the second cleaning plate 502 can better clean the upper surface of the first filter plate 405.

[0037] The top end of the power rope 508 passes through the filter bin 401 and is fixedly connected to the second cleaning plate 502. The surface of the power rope 508 is slidably connected to a sealing plug 510, and the sealing plug 510 is fixedly connected to the filter bin 401. The inside of the filter bin 401 is rotatably connected to a pulley 509, and the power rope 508 is transmission-connected to the pulley 509. The sealing plug 510 is used to prevent the device in the oil from following the power rope 508 into the inside of the filter bin 401. The pulley 509 is used to fix the position of the power rope 508, thereby reducing the damage of the power rope 508 to the filter bin 401 and improving the smoothness of the operation of the power rope 508.

[0038] When the utility model is in use, the oil is filtered by the first filter plate 405 and the second filter plate 406 to filter out impurities in the oil, so as to avoid the impurities affecting the oil chromatography detection and improve the accuracy of the chromatography detection. When there are too many impurities on the surfaces of the first filter plate 405 and the second filter plate 406, the motor 505 drives the threaded rod 504 to rotate, so that the threaded rod 504 controls the first cleaning plate 501 to move horizontally, and the bottom surface of the first filter plate 405 and the upper surface of the second filter plate 406 are cleaned by the first cleaning plate 501. At the same time, the second cleaning plate 502 is pulled to move in the opposite direction by the power rope 508 to clean the upper surface of the first filter plate 405, thereby improving the cleaning force of the filter plate, avoiding the impurities from clogging the filter plate, and improving the efficiency of filtering the oil. When disassembly is required, the buckle 404 is released, and the filter bin 401 is pulled outward to take out the filter device, so as to facilitate the staff to thoroughly clean the sampler after use, and also facilitate to clean out the filtered impurities, thereby reducing the difficulty of sampling the oil and improving the efficiency of the oil chromatography detection.

[0039] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A sampling device for oil chromatography detection, comprising a sampling object (1), characterized in that: A filtering mechanism (4) is arranged inside the sampling object (1), and the filtering mechanism (4) comprises a filtering chamber (401), and a first filter plate (405) and a second filter plate (406) are clamped inside the filtering chamber (401). A cleaning mechanism (5) is arranged inside the filtering chamber (401), and the cleaning mechanism (5) comprises a first cleaning plate (501) and a second cleaning plate (502), and a power rope (508) is fixedly connected to the surface of the first cleaning plate (501).

2. The sampling device for oil chromatography detection according to claim 1, characterized in that: The top end of the sampling body (1) is clamped with a sampling needle (2), the bottom end of the sampling body (1) is fixedly connected with a liquid outlet pipe (3), a positioning groove (402) is provided inside the sampling body (1), and the filter chamber (401) is slidably connected to the positioning groove (402).

3. The sampling device for oil chromatography detection according to claim 2, characterized in that: A sealing ring (403) is fixedly connected to the surface of the filter chamber (401), and the sealing ring (403) and the positioning groove (402) are in conflict with each other. A buckle (404) for fixing the filter chamber (401) is fixedly connected to the surface of the sampling object (1).

4. The sampling device for oil chromatography detection according to claim 1, characterized in that: The middle part of the first cleaning plate (501) is slidably connected to a sliding rod (503), and the sliding rod (503) is fixedly connected to the filter bin (401), the two sides of the first cleaning plate (501) are slidably connected to the first filter plate (405) and the second filter plate (406) respectively, and the bottom end of the second cleaning plate (502) is slidably connected to the first filter plate (405).

5. The sampling device for oil chromatography detection according to claim 1, characterized in that: A threaded rod (504) is threadedly connected to the middle of the first cleaning plate (501), and the threaded rod (504) is rotatably connected to the filter bin (401). A motor (505) is fixedly connected to the surface of the filter bin (401), and the output end of the motor (505) is fixedly connected to the threaded rod (504).

6. The sampling device for oil chromatography detection according to claim 1, characterized in that: A sliding groove (506) is provided on the surface of the filter bin (401), a sliding block (507) is slidably connected inside the sliding groove (506), and the sliding block (507) is fixedly connected to the second cleaning plate (502).

7. The sampling device for oil chromatography detection according to claim 1, characterized in that: The top end of the power rope (508) passes through the filter bin (401) and is fixedly connected to the second cleaning plate (502); a sealing plug (510) is slidably connected to the surface of the power rope (508), and the sealing plug (510) is fixedly connected to the filter bin (401); a pulley (509) is rotatably connected inside the filter bin (401), and the power rope (508) is transmission-connected to the pulley (509).

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