CN218646917U - Oil filter for chromatographic detection of oil sample of distribution transformer - Google Patents

Abstract

The utility model relates to an oil filter for distribution transformer oil appearance chromatographic assay, including collection appearance pipe, the outside fixed mounting of collection appearance pipe has the holding ring, the top cap is installed to the upper end screw thread of collection appearance pipe, the inside of collection appearance pipe is provided with filtering component, filtering component includes filter hopper, filter paper and through-hole, filter hopper has been placed at the top of collection appearance pipe, filter paper has been placed to filter hopper's inside, the through-hole has all been seted up to filter hopper's the top left and right sides, the top of top cap is provided with extrusion mechanism, the interior roof fixed mounting of top cap has the sealing washer, the top of top cap is provided with exhaust mechanism. This oil filter is used in distribution transformer oil appearance chromatographic detection, through extrusion mechanism, exhaust mechanism and filtering component's setting, make the oil appearance can filter fast and measure, then seal up and deposit, show promotion filtration efficiency.

Description

Oil filter for chromatographic detection of oil sample of distribution transformer

Technical Field

The utility model relates to a transformer oil appearance chromatogram detects technical field, specifically is an oil filter is used in distribution transformer oil appearance chromatogram detection.

Background

The transformer oil is a fractional product of petroleum, the main components of the transformer oil are compounds such as alkane, naphthenic saturated hydrocarbon, aromatic unsaturated hydrocarbon and the like, the transformer oil mainly plays the roles of insulation, heat dissipation and arc extinction in the transformer, the transformer oil in the transformer oil needs to be sampled periodically when the transformer oil is used, chromatographic analysis and other detection are carried out on the oil sample, problems are known and found timely, accident potential is eliminated, and the running safety of equipment and a power grid is improved.

In the process of realizing the application, the inventor finds that at least the following problems exist in the technology, after the oil sample of the distribution transformer is extracted, the appearance of the detected oil product is observed firstly, whether impurities, bubbles or water drops in the oil medium exist or not are visible to the naked eye, and the like, when the water content and the impurities in the oil are excessive, the impurities need to be filtered, and then the detection can be carried out.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an oil filter is used in distribution transformer oil appearance chromatographic assay possesses advantages such as rapid draing, has solved distribution transformer oil appearance and has filtered loaded down with trivial details problem.

In order to achieve the above object, the utility model provides a following technical scheme: an oil filter for chromatographic detection of an oil sample of a distribution transformer comprises a sample collecting pipe, wherein a positioning ring is fixedly arranged outside the sample collecting pipe, a top cover is arranged at the upper end part of the sample collecting pipe in a threaded manner, a filtering assembly is arranged inside the sample collecting pipe, an extruding mechanism is arranged at the top of the top cover, a sealing ring is fixedly arranged on the inner top wall of the top cover, and an exhaust mechanism is arranged at the top of the top cover;

the filter assembly comprises a filter hopper, filter paper and through holes, the filter hopper is placed at the top of the sample collecting pipe, the filter paper is placed inside the filter hopper, and the through holes are formed in the left side and the right side of the top of the filter hopper.

Furthermore, the extrusion mechanism comprises a T-shaped extrusion rod and an extrusion plug, the top of the top cover is movably provided with the T-shaped extrusion rod, one end of the T-shaped extrusion rod penetrates through the T-shaped extrusion rod and extends into the filter paper, and the bottom of the T-shaped extrusion rod is fixedly provided with the extrusion plug.

Further, exhaust mechanism includes exhaust hole and rubber buffer, the exhaust hole has been seted up at the top of top cap, the inside joint in exhaust hole has the rubber buffer.

Further, the outer wall of the extrusion plug is in contact with the inner wall of the filter paper, and the outer wall of the filter paper is in contact with the inner wall of the filter hopper.

Further, the sealing ring is located the holistic outside of through-hole, the sealing ring contacts with filtering the fill.

Further, the left side and the top cap fixed connection of rubber buffer, the upper end outer wall of filter funnel contacts with the inner wall of top cap, the bottom of filter funnel is the inclined plane.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this oil filter is used in distribution transformer oil appearance chromatographic detection, through extrusion mechanism, exhaust mechanism and filtering component's setting, make the oil appearance can filter fast and measure, then seal up and deposit, show promotion filtration efficiency.

2. This oil filter for distribution transformer oil appearance chromatographic detection, through the setting of filtering component, top cap and sealing washer, make to filter out impurity and can clear up fast, can seal up the oil appearance simultaneously and deposit, avoid receiving the pollution.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is a front view of the present invention.

In the figure: 1 sample collecting tube, 2 positioning rings, 3 top covers, 4 filtering components, 41 filtering hoppers, 42 filtering paper, 43 through holes, 5 extruding mechanisms, 51T-shaped extruding rods, 52 extruding plugs, 6 sealing rings, 7 exhausting mechanisms, 71 exhausting holes and 72 rubber plugs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in the present embodiment, the oil filter for chromatographic detection of an oil sample of a distribution transformer includes a sample collecting pipe 1, a positioning ring 2 is fixedly mounted on an outer portion of the sample collecting pipe 1, a top cover 3 is threadedly mounted on an upper end portion of the sample collecting pipe 1, a filtering assembly 4 is disposed inside the sample collecting pipe 1, an extruding mechanism 5 is disposed on a top portion of the top cover 3, a sealing ring 6 is fixedly mounted on an inner top wall of the top cover 3, and an exhausting mechanism 7 is disposed on the top portion of the top cover 3.

In this embodiment, filter assembly 4 includes filter hopper 41, filter paper 42 and through-hole 43, filter hopper 41 has been placed at the top of collection appearance pipe 1, sealing washer 6 contacts with filter hopper 41, the upper end outer wall of filter hopper 41 contacts with the inner wall of top cap 3, the bottom of filter hopper 41 is the inclined plane, filter paper 42 has been placed to filter hopper 41's inside, filter paper 42's outer wall contacts with filter hopper 41's inner wall, through-hole 43 has all been seted up to filter hopper 41's the top left and right sides, sealing washer 6 is located the holistic outside of through-hole 43.

Specifically, the setting of filter hopper 41 and filter paper 42 makes filter paper 42 adsorb the filtration with impurity and a small amount of moisture in the oil appearance, then, filter hopper 41 can be with the accurate leading-in collection appearance pipe 1 of oil appearance in the storage, just also make just so that the oil appearance filters the back only need change filter paper 42 and clear up filter hopper 41 alright filter once more, simple structure, the operation of being convenient for.

In this embodiment, the pressing mechanism 5 includes a T-shaped pressing rod 51 and a pressing plug 52, the top of the top cap 3 is movably mounted with the T-shaped pressing rod 51 having one end penetrating and extending into the filter paper 42, the bottom of the T-shaped pressing rod 51 is fixedly mounted with the pressing plug 52, and the outer wall of the pressing plug 52 contacts with the inner wall of the filter paper 42.

Specifically, the extrusion plug 52 is placed inside the filter paper 42, the top cover 3 and the sample collecting pipe 1 are screwed, at the moment, the extrusion plug 52 is pressed downwards, the extrusion plug 52 is enabled to displace downwards inside the filter hopper 41, and exhaust is achieved through the air exhaust mechanism 7 and the through hole 43 in a matched mode, and the oil sample filtering efficiency is remarkably improved.

In this embodiment, exhaust mechanism 7 includes exhaust hole 71 and rubber buffer 72, and exhaust hole 71 has been seted up at the top of top cap 3, and the inside joint of exhaust hole 71 has rubber buffer 72, rubber buffer 72's left side and top cap 3 fixed connection.

Specifically, the rubber plug 72 is taken out of the air vent 71, so that air inside the sample collecting tube 1 can be rapidly exhausted, thereby causing air pressure difference and enabling an oil sample to be rapidly filtered out.

The working principle of the embodiment is as follows:

in use, pour the oil sample into inside filter paper 42, then squeeze the stopper 52 and place inside filter paper 42, and screw up top cap 3 and collection appearance pipe 1, at this moment, press squeeze the stopper 52 downwards, make squeeze the stopper 52 inside displacement downwards at filter hopper 41, and simultaneously, the user takes out rubber buffer 72 from exhaust hole 71, make the inside air of collection appearance pipe 1 discharge fast, thereby cause the atmospheric pressure difference, thereby make the inside fluid of filter paper 42 descend fast, and fall to collection appearance pipe 1 inside through filter hopper 41's inside and collect, after the fluid filtration completion, the user can separate top cap 3 and collection appearance pipe 1, and take out filtering component 4 wholly and clear up, then place into collection appearance pipe 1 after will squeezing the stopper 52 clearance again, screw up once more, also make the oil sample effectively sealed up, avoid cross contamination.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an oil filter is used in distribution transformer oil appearance chromatographic assay, includes collection appearance pipe (1), its characterized in that: a positioning ring (2) is fixedly arranged outside the sample collecting pipe (1), a top cover (3) is arranged at the upper end of the sample collecting pipe (1) in a threaded manner, a filtering component (4) is arranged inside the sample collecting pipe (1), an extruding mechanism (5) is arranged at the top of the top cover (3), a sealing ring (6) is fixedly arranged on the inner top wall of the top cover (3), and an exhaust mechanism (7) is arranged at the top of the top cover (3);

filter component (4) include filter hopper (41), filter paper (42) and through-hole (43), filter hopper (41) have been placed at the top of collection appearance pipe (1), filter paper (42) have been placed to the inside of filter hopper (41), through-hole (43) have all been seted up to the top left and right sides of filter hopper (41).

2. The oil filter for chromatographic detection of distribution transformer oil samples as claimed in claim 1, wherein: the squeezing mechanism (5) comprises a T-shaped squeezing rod (51) and a squeezing plug (52), the T-shaped squeezing rod (51) with one end penetrating and extending into the filter paper (42) is movably mounted at the top of the top cover (3), and the squeezing plug (52) is fixedly mounted at the bottom of the T-shaped squeezing rod (51).

3. The oil filter for chromatographic detection of distribution transformer oil samples as claimed in claim 1, wherein: exhaust mechanism (7) are including exhaust hole (71) and rubber buffer (72), exhaust hole (71) have been seted up at the top of top cap (3), the inside joint in exhaust hole (71) has rubber buffer (72).

4. The oil filter for chromatographic detection of distribution transformer oil samples as claimed in claim 2, wherein: the outer wall of the extrusion plug (52) is contacted with the inner wall of the filter paper (42), and the outer wall of the filter paper (42) is contacted with the inner wall of the filter hopper (41).

5. The oil filter for chromatographic detection of distribution transformer oil samples as claimed in claim 1, wherein: the sealing ring (6) is located outside the whole through hole (43), and the sealing ring (6) is in contact with the filtering hopper (41).

6. The oil filter for chromatographic detection of distribution transformer oil samples as claimed in claim 3, wherein: the left side and top cap (3) fixed connection of rubber buffer (72), the upper end outer wall of filter hopper (41) contacts with the inner wall of top cap (3), the bottom of filter hopper (41) is the inclined plane.

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