CN219121790U - Transformer oil sampling mechanism and device - Google Patents

Abstract

The utility model relates to a transformer oil sampling mechanism and a device, wherein the transformer oil sampling mechanism comprises a syringe made of glass and a protective shell, the protective shell is sleeved outside the syringe and is in contact fit with the outer side wall of the syringe, at least one end of the protective shell in the injection direction of the syringe is of an open structure, an injection head of the syringe is lower than the open structure of the protective shell, a strip-shaped chute extending along the axial direction of the syringe is formed in the protective shell, and a shifting block is fixedly connected to the upper end face of a movable rod of the syringe and is in sliding fit in the strip-shaped chute and can slide in the strip-shaped chute along the axial direction of the protective shell. According to the transformer oil sampling mechanism, the protective shell is sleeved on the outer side wall of the injector, so that the injector can be protected, the injector is convenient to sample, is not easy to collide and break in the transportation process, and is convenient to transport.

Description

Transformer oil sampling mechanism and device

Technical Field

The utility model relates to the technical field of transformers, in particular to a transformer oil sampling mechanism and device.

Background

The main transformer of the transformer substation is called a power grid heart, is important power equipment of a power system and bears key tasks such as voltage conversion, electric energy distribution and transmission. The quality of insulating oil of the main transformer plays an important role in the running condition of the transformer before operation, during operation and fault diagnosis, so that the transformer needs to be subjected to oil sample sampling detection for a certain time before operation, during operation and after fault occurrence, and chromatographic analysis is performed on dissolved gas in the oil sample so as to judge whether the transformer sleeve has internal discharge, overheat and other fault phenomena.

The existing injector for taking the oil sample of the transformer is generally made of glass materials, is easy to collide and break in the sampling and transporting processes, and is inconvenient to store. Meanwhile, the existing manual sampling is generally adopted, and a plurality of scattered and independent syringes are unfavorable for realizing automatic sampling.

Disclosure of Invention

The utility model aims to solve the technical problems that the existing oil sampling injector for a transformer is easy to collide and break in the sampling and transportation processes and inconvenient to store, and provides an oil sampling mechanism and device for the transformer.

The technical scheme for solving the technical problems is as follows: the utility model provides a transformer oil sampling mechanism, includes syringe and the protective housing of glass material, the protective housing cover is established outside the syringe and with syringe lateral wall contact cooperation, can adopt interference fit's form, suit together. The utility model discloses a syringe, including syringe, protective housing, movable rod up end, the protective housing is opened along at least one end of syringe injection direction for open structure, the injection head of syringe is less than the open structure of protective housing, set up the rectangular shape spout that extends along syringe axial on the protective housing, the movable rod up end fixedly connected with shifting block, shifting block sliding fit is in the rectangular shape spout and can follow the axial of protective housing and slide in rectangular shape spout.

The beneficial effects of the utility model are as follows: according to the transformer oil sampling mechanism, the protective shell is sleeved on the outer side wall of the injector, so that the injector can be protected, the injector is convenient to sample, is not easy to collide and break in the transportation process, and is convenient to transport.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the two opposite inner side walls of the strip-shaped sliding groove are provided with convex strips extending along the length direction of the strip-shaped sliding groove, and the shifting block passes through between the two convex strips and is in sliding fit with the convex strips.

The beneficial effects of adopting the further scheme are as follows: through setting up the sand grip, conveniently carry out structural support to the shifting block, also provide sliding support for the axial motion of shifting block.

Further, the dial does not exceed an outer surface of the protective shell.

The beneficial effects of adopting the further scheme are as follows: the shifting block is hidden in the strip-shaped sliding groove, so that the whole oil sampling mechanism is prevented from interfering when being assembled in the shell.

Further, the protective housing corresponds the open structure in one end of injection head and is equipped with the horn mouth that expands outward, the external diameter of the big mouth end of horn mouth is greater than the external diameter of protective housing.

The beneficial effects of adopting the further scheme are as follows: through the one end that sets up the protective housing and expand outward, when conveniently placing the assembly passageway at the casing with the oil sampling mechanism, carry out the articulations to the protective housing, avoid oil sampling mechanism to drop in the assembly passageway.

Further, the injection head is located within the flare.

The beneficial effects of adopting the further scheme are as follows: avoiding the injector head from being knocked and damaged during storage and transportation.

Further, the protective housing is silica gel shell or rubber shell.

The beneficial effects of adopting the further scheme are as follows: the syringe can be effectively protected.

Further, a flexible sealing sheet is arranged in an injection port of the injection head, and a cross-shaped incision is formed in the sealing sheet.

The beneficial effects of adopting the further scheme are as follows: when the oil sample is taken out, the oil sample in the injector is prevented from being spilled out.

The transformer oil sampling device comprises a transformer oil sampling mechanism and a box-shaped cubic shell, wherein a plurality of parallel assembly channels are arranged in the shell at intervals, and each assembly channel is internally provided with one transformer oil sampling mechanism.

The beneficial effects of the utility model are as follows: the oil sample taking device can be used for accommodating a plurality of independent oil sample taking mechanisms, is convenient to store and transport, and is also convenient for taking oil samples for multiple times in batches during subsequent automatic oil sample taking.

Further, the open structure screw thread joint in one end of the protective housing corresponding to the injection head is in the one end opening part of the assembly channel, and the transformer oil sampling mechanism is suspended in the assembly channel.

The beneficial effects of adopting the further scheme are as follows: the nozzle of the needle tube pneumatic filling machine is prevented from taking the protective shell and the injector out of the assembly channel of the transformer oil sampling mechanism 100 during sampling.

Further, a first sliding groove or a first sliding rail is arranged on the outer side wall of the shell, and the first sliding groove or the first sliding rail extends along the direction perpendicular to the assembly channel; or/and, the bottom of the shell is provided with a second sliding groove or a second sliding rail, and the second sliding groove or the second sliding rail is arranged in an extending way along the direction perpendicular to the assembly channel.

The beneficial effects of adopting the further scheme are as follows: through set up first spout or first slide rail on the lateral wall of casing, conveniently slide the casing and set up on fixed equipment, drive casing horizontal movement when being convenient for follow-up automatic oil sampling. Through set up second spout or second slide rail on the lateral wall of casing, conveniently push the casing slip into in the spout supporting mechanism of automatic oil sampling system.

Drawings

FIG. 1 is a schematic diagram of a transformer oil sampling mechanism according to the present utility model;

FIG. 2 is a schematic top view of the housing of the present utility model;

fig. 3 is a schematic structural diagram of an oil sampling device of a transformer according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

100. the transformer oil sampling mechanism;

1. a protective shell; 11. a horn mouth; 2. a syringe; 21. an injection head; 22. a shifting block; 23. a movable rod; 3. a housing; 31. and (5) assembling the channel.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

As shown in fig. 1 to 3, an oil sampling mechanism 100 for a transformer according to this embodiment includes a syringe 2 made of glass and a protective housing 1, the protective housing 1 is sleeved outside the syringe 2 and is in contact fit with the outer side wall of the syringe 2, at least one end of the protective housing 1 along the injection direction of the syringe 2 is in an open structure, an injection head 21 of the syringe 2 is lower than the open structure of the protective housing 1, a long-strip-shaped sliding groove extending along the axial direction of the syringe 2 is formed in the protective housing 1, a shifting block 22 is fixedly connected with the upper end face of a movable rod 23 of the syringe 2, and the shifting block 22 is in sliding fit in the long-strip-shaped sliding groove and can slide in the long-strip-shaped sliding groove along the axial direction of the protective housing 1.

In a preferred embodiment of this embodiment, two opposite inner side walls of the elongated sliding groove are provided with a protruding strip extending along a length direction of the elongated sliding groove, and the pulling block 22 passes through between the two protruding strips and is in sliding fit with the protruding strips. Through setting up the sand grip, conveniently carry out structural support to the shifting block, also provide sliding support for the axial motion of shifting block. The structure is similar to a push-pull switch of a flashlight, namely, the shifting block can be arranged in a push-pull switch mode similar to the flashlight and is hidden in the strip-shaped through hole, namely, the shifting block does not exceed the outer surface of the protective shell, so that the structure is convenient to push and pull, meanwhile, the outer space of the protective shell is not occupied, the whole oil sampling mechanism is prevented from being interfered when being assembled in the shell, and the shifting block is prevented from being touched unintentionally.

Specifically, the end surface of the end of the shifting block 22 extending out of the elongated sliding groove may adopt a circular arc structure adapted to the protective housing 1.

As shown in fig. 1, a further solution of this embodiment is that an open structure at one end of the protective housing 1 corresponding to the injection head 21 is provided with an outwardly-expanded bell mouth 11, and an outer diameter of a large mouth end of the bell mouth 11 is larger than an outer diameter of the protective housing 1. Through the one end that sets up the protective housing and expand outward, when conveniently placing the assembly passageway at the casing with the oil sampling mechanism, carry out the articulations to the protective housing, avoid oil sampling mechanism to drop in the assembly passageway.

As shown in fig. 1, the injection head 21 of the present embodiment is located in the bell mouth 11, so as to avoid damage caused by collision during storage and transportation.

Optionally, the protective housing 1 is a silica gel shell or a rubber shell, and is made of a soft material with certain elasticity, so that the syringe can be effectively protected.

In a preferred embodiment of this embodiment, a flexible sealing plate is disposed in the injection port of the injection head 21, and a cross-shaped incision is formed on the sealing plate. When the oil sample is taken out, the oil sample in the injector is prevented from being spilled out.

The syringe of this embodiment is generally made of glass.

The transformer oil sampling mechanism of this embodiment establishes a protective housing through the cover on the lateral wall of syringe, can play the guard action to the syringe, makes the syringe both be convenient for take a sample, is difficult to be broken by the collision in the transportation again, convenient transportation.

As shown in fig. 3, this embodiment further provides a transformer oil sampling device, which includes the above-mentioned transformer oil sampling mechanism 100, and further includes a box-like cubic housing 3, where a plurality of parallel and spaced-apart rows of assembly channels 31 are provided in the housing 3, and one transformer oil sampling mechanism 100 is provided in each of the assembly channels 31.

The fitting channel 31 may be a through hole penetrating the housing 3, or may be a blind hole not penetrating the housing 3. The protective housing 1 of the transformer oil sampling mechanism 100 can be placed in the through hole or the blind hole and tightly matched with the inner side wall of the through hole or the blind hole, or directly placed in the blind hole, or hung on the end face of one end of the through hole or the blind hole through the opening edge on the protective housing 1.

As shown in fig. 3, in this embodiment, the open structure at one end of the protective housing 1 corresponding to the injection head 21 is screwed and fastened to the opening at one end of the assembly channel 31, and the transformer oil sampling mechanism 100 is suspended in the assembly channel 31, so as to avoid bringing the protective housing and the injector out of the assembly channel of the transformer oil sampling mechanism 100 during sampling.

In order to facilitate the subsequent automatic collection of the oil sample, a first sliding groove or a first sliding rail may be provided on the outer side wall of the housing 3, and the first sliding groove or the first sliding rail may be arranged in an extending manner along a direction perpendicular to the assembly channel 31; through set up first spout or first slide rail on the lateral wall of casing 3, conveniently slide casing 3 setting on fixed equipment, drive casing horizontal movement when being convenient for follow-up automatic oil sampling. The bottom of the housing 3 is provided with a second sliding groove or a second sliding rail, which extends in a direction perpendicular to the assembly channel 31. By arranging the second sliding groove or the second sliding rail on the outer side wall of the shell 3, the shell can be conveniently slid and pushed into the sliding groove supporting mechanism of the automatic oil sampling system.

The oil sampling device of this embodiment can accomodate a plurality of independent oil sampling mechanisms, makes the assembly structure of similar cartridge clip, and convenient storage transportation also is convenient for follow-up automatic oil sampling time, and the oil sampling is got many times in batches.

In the description of the present utility model, it should be understood that the terms "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. The utility model provides a transformer oil sampling mechanism, its characterized in that includes syringe and the protective housing of glass material, the protective housing cover is established outside the syringe and with syringe lateral wall contact cooperation, the protective housing is open structure along at least one end of syringe injection direction, the injection head of syringe is less than the open structure of protective housing, set up on the protective housing along the rectangular shape spout of syringe axial extension, the movable rod up end fixedly connected with shifting block of syringe, shifting block sliding fit is in rectangular shape spout and can follow the axial of protective housing and slide in rectangular shape spout.

2. The transformer oil sampling mechanism according to claim 1, wherein two opposite inner side walls of the elongated chute are provided with protruding strips extending along the length direction of the elongated chute, and the pulling block passes through between the two protruding strips and is in sliding fit with the protruding strips.

3. The transformer oil sampling mechanism of claim 1, wherein the pulling block does not exceed an outer surface of the protective housing.

4. The transformer oil sampling mechanism according to claim 1, wherein the protective housing is provided with an outwardly-expanding bell mouth corresponding to an open structure at one end of the injection head, and the outer diameter of the large mouth end of the bell mouth is larger than the outer diameter of the protective housing.

5. The transformer oil sampling mechanism of claim 4, wherein the injection head is located within the flare.

6. The transformer oil sampling mechanism of claim 1, wherein the protective shell is a silica gel shell or a rubber shell.

7. The transformer oil sampling mechanism according to claim 1, wherein a flexible sealing sheet is arranged in the injection port of the injection head, and a cross-shaped notch is formed in the sealing sheet.

8. A transformer oil sampling device, which is characterized by comprising the transformer oil sampling mechanism of any one of claims 1 to 7, and further comprising a box-shaped cubic shell, wherein a plurality of parallel and spaced assembly channels are arranged in the shell, and each assembly channel is internally provided with one transformer oil sampling mechanism.

9. The transformer oil sampling device according to claim 8, wherein the one end of the protective housing corresponding to the injection head is in threaded engagement with the one end opening of the assembly channel, and the transformer oil sampling mechanism is suspended in the assembly channel.

10. The transformer oil sampling device according to claim 8, wherein a first sliding groove or a first sliding rail is arranged on the outer side wall of the shell, and the first sliding groove or the first sliding rail extends along a direction perpendicular to the assembly channel; or/and, the bottom of the shell is provided with a second sliding groove or a second sliding rail, and the second sliding groove or the second sliding rail is arranged in an extending way along the direction perpendicular to the assembly channel.

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