CN212748416U

CN212748416U - Portable sampling device for transformer insulating oil

Info

Publication number: CN212748416U
Application number: CN202021593853.8U
Authority: CN
Inventors: 王明波; 林宝东; 陈辉
Original assignee: Ningbo Jinhui Chemical Industry Co ltd
Current assignee: Ningbo Jinhui Chemical Industry Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-03-19
Anticipated expiration: 2030-08-04

Abstract

The utility model relates to the technical field of transformers, in particular to a portable sampling device for transformer insulating oil, which comprises a shell and a sleeve, wherein the sleeve is clamped in the shell, the center of the back surface of the shell is hinged with a flip cover, the center of the top of the shell is movably inserted with a piston rod, the bottom of the piston rod is movably inserted in the sleeve, the center of the bottom of the shell is fixedly connected with an oil inlet valve, the top of the oil inlet valve is fixedly communicated with a connecting pipe, the bottom of the surface of the sleeve is connected with a one-way valve by screw, through the sleeve and the clamping block, the insulating oil can be pumped into the sleeve from the bottom of the oil guide valve by a worker through the piston rod, the insulating oil is stored, the traditional mode of externally connecting an insulating oil storage tank is replaced, the sampling process is more transient and convenient, the convenience of workers in use is improved, and simultaneously, the insulating oil in different transformers can be prevented from being mixed together in a sleeve replacing mode.

Description

Portable sampling device for transformer insulating oil

Technical Field

The utility model relates to a transformer technical field specifically is a portable sampling device for transformer insulating oil.

Background

Insulating oil's detection mode has many kinds, and insulating oil chromatographic test develops the most mature and the most accurate experiment, and people are when taking a sample to the insulating oil in a plurality of transformers, the sample utensil that generally connects on the change sampling equipment is taken a sample to the insulating oil in the different transformers, the insulating oil that the remaining insulating oil of sampling device inner wall mixes together with the insulating oil in other transformers easily, thereby influence the staff and detect the accuracy to insulating oil, its sampling utensil of traditional sampling equipment generally all sets up the outside at sampling equipment simultaneously, take out the back with oil through sampling equipment, reinject into in the sampling utensil, trouble very, be not convenient for use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a portable sampling device for transformer insulating oil possesses the staff of being convenient for and takes a sample insulating oil, and advantages such as easy operation have solved the staff of being not convenient for and have taken a sample insulating oil, and the operation process is very troublesome problem.

The utility model discloses a portable sampling device for transformer insulating oil, including casing and sleeve, the sleeve joint is in the casing, the central authorities at the casing back articulate there is flip, the central authorities activity at casing top is pegged graft and is had the piston rod, the bottom activity of piston rod is pegged graft in the sleeve, the central fixedly connected with inlet valve of casing bottom, the fixed intercommunication in top of inlet valve has the connecting pipe, the connecting pipe is located shells inner wall's bottom, the bottom threaded connection on sleeve surface has the check valve, the bottom of check valve communicates with the top of connecting pipe each other, the bottom fixed connection rubber circle of sleeve inner wall.

The utility model discloses a portable sampling device for transformer insulating oil, wherein shells inner wall's top fixedly connected with spacing ring, the draw-in groove has been seted up on the right side of spacing ring inner wall, the top fixedly connected with fixture block on sleeve right side, the fixture block joint is in the draw-in groove, this structure setting for the staff is putting into the casing with the sleeve after, the fixture block can the joint in the draw-in groove, thereby fixes the position of sleeve in the casing.

The utility model discloses a portable sampling device for transformer insulating oil, wherein the top threaded connection of sleeve inner wall has last sealed lid, and the bottom threaded connection of sleeve inner wall has the lower sealing cover, and this structure sets up for the staff can seal the sleeve through last sealed lid and lower sealing cover, thereby saves the insulating oil of inside.

The utility model discloses a portable sampling device for transformer insulating oil, wherein the left side of casing is equipped with the semicircular opening, and flip is the mutual adaptation of size of arc and size and casing.

The utility model discloses a portable sampling device for transformer insulating oil, wherein shells inner wall's top is equipped with puts the thing groove, puts the size in thing groove and the big or small looks adaptation of piston rod bottom, and this structure sets up for the staff can be with the bottom pulling of piston rod put the thing inslot, thereby fixes the position of piston rod.

The utility model discloses a portable sampling device for transformer insulating oil, wherein the positive central authorities of sleeve are equipped with the glass window, and the surface of glass window is carved with the scale mark along the vertical direction, and this structure sets up for the staff can look over insulating oil's extraction volume through watching the glass window.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a sleeve and the fixture block that sets up, cooperation draw-in groove and piston rod, and the inlet valve, make the staff open flip, and put into the casing with the sleeve, and the fixture block then can block in the draw-in groove, thereby inject telescopic position, and the staff can be through the piston rod with insulating oil from leading in the bottom suction of oil valve to the sleeve, thereby save insulating oil, the mode of traditional external insulating oil storage jar has been replaced, make the process of sample more short-lived and convenient, the convenience of staff when using has been improved, insulating oil in can preventing different transformers from mixing together through more changing telescopic mode simultaneously, influence follow-up testing result's accuracy.

2. The utility model discloses a last sealed lid and the lower sealing cover that sets up, cooperation check valve for the staff can take out the sleeve from the casing after in will insulating oil suction to the sleeve, then seal the telescopic top through last sealed lid earlier, unscrew the check valve again, and seal telescopic bottom through the lower sealing cover, thereby make that the staff can be more convenient carry and save the sleeve, improved the convenience that the staff carried the sample after the sample greatly.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of the overall front view cross-section structure of the present invention;

FIG. 2 is a schematic view of the sleeve assembling structure of the present invention;

FIG. 3 is a front view of the sleeve according to the present invention;

fig. 4 is a schematic view of the top-view cross-sectional structure of the housing and the flip cover of the present invention.

In the figure: 1. a housing; 2. a cover is turned; 3. an oil inlet valve; 4. a connecting pipe; 5. a piston rod; 6. a limiting ring; 7. a card slot; 8. a sleeve; 9. a clamping block; 10. a one-way valve; 11. a rubber ring; 12. an upper sealing cover; 13. a lower sealing cover; 14. a glass window; 15. scale lines are marked.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these physical details should not be taken to limit the invention. That is, in some embodiments of the invention, these physical details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Please refer to fig. 1-4, the utility model discloses a portable sampling device for transformer insulating oil, including casing 1 and sleeve 8, sleeve 8 joint is in casing 1, the central authorities at the 1 back of casing articulate has flip 2, casing 1 and flip 2 are colorless transparent material, the central authorities activity at casing 1 top is pegged graft and is had piston rod 5, the bottom activity of piston rod 5 is pegged graft in sleeve 8, the central authorities fixedly connected with inlet valve 3 of casing 1 bottom, the fixed intercommunication in top of inlet valve 3 has connecting pipe 4, connecting pipe 4 is located the bottom of casing 1 inner wall, the bottom threaded connection on sleeve 8 surface has check valve 10, the bottom of check valve 10 communicates with each other with the top of connecting pipe 4, the bottom fixed connection rubber circle 11 of sleeve 8 inner wall.

The top fixedly connected with spacing ring 6 of casing 1 inner wall, draw-in groove 7 has been seted up on the right side of 6 inner walls of spacing ring, and the top fixedly connected with fixture block 9 on sleeve 8 right side, fixture block 9 joint are in draw-in groove 7, and this structure sets up for the staff is putting into casing 1 with sleeve 8 back, and fixture block 9 can the joint in draw-in groove 7, thereby fixes the position of sleeve 8 in casing 1.

The top threaded connection of 8 inner walls of sleeve has last sealed lid 12, and the bottom threaded connection of 8 inner walls of sleeve has sealed lid 13 down, and this structure setting makes the staff can seal sleeve 8 through last sealed lid 12 and sealed lid 13 down, thereby saves the insulating oil of inside.

The left side of casing 1 is equipped with semicircular opening, and flip 2 is arc and size and the mutual adaptation of size of casing 1.

The top of 1 inner wall of casing is equipped with puts the thing groove, puts the size in thing groove and the big or small looks adaptation of 5 bottoms of piston rod, and this structure sets up for the staff can be with the bottom pulling of piston rod 5 put the thing inslot, thereby fixes the position of piston rod 5.

The center of the front face of the sleeve 8 is provided with a glass window 14, the surface of the glass window 14 is carved with scale marks 15 along the vertical direction, and the structure is arranged, so that a worker can check the extraction amount of the insulating oil by watching the glass window 14.

When using the utility model discloses the time: firstly, a worker opens the turnover cover 2, then puts the sleeve 8 into the shell 1, and enables the clamping block 9 to be clamped in the clamping groove 7, so that the sleeve 8 can be fixed by the limiting ring 6, then the worker can push the piston rod 5 downwards to push the piston rod 5 to the bottommost part of the sleeve 8, then closes the turnover cover 2, at the moment, the center of the piston rod 5, the center of the sleeve 8, the center of the bottom oil inlet valve 3 and the center of the one-way valve 10 are all on the same axis, then the worker can insert the oil inlet valve 3 into the oil tank, and then pulls the piston rod 5 upwards to draw out the insulating oil from the oil tank, the insulating oil sequentially passes through the oil inlet valve 3 and the connecting pipe 4 and enters the sleeve 8 from the one-way valve 10, at the moment, the worker can observe the drawing amount of the insulating oil through the glass window 14, and stop the movement of the piston rod 5 after a proper amount of the insulating, take out oil feed valve 3 from the oil tank, then close oil feed valve 3, in putting the thing groove with 5 stimulations of piston rod to 1 inner wall top of casing, then alright open flip 2, then take out sleeve 8 from 1 interior of casing, 8's top of sleeve is the opening form this moment, the staff alright twist sleeve 8's top with last sealed lid 12, then upset sleeve 8, unidirectional valve 10 is twisted off from sleeve 8, cover sleeve 8's bottom down after that, thereby accomplish the sample of insulating oil, when the staff need take a sample to the insulating oil in the different transformers, only need change inside sleeve 8 can, sleeve 8 also can play the effect of carrying out the storage to insulating oil simultaneously, very big improvement the convenience of staff in sampling process.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a portable sampling device for transformer insulating oil, includes casing (1) and sleeve (8), and sleeve (8) joint is in casing (1), its characterized in that: the middle of the back of the shell (1) is hinged with a flip cover (2), the middle of the top of the shell (1) is movably connected with a piston rod (5), the bottom of the piston rod (5) is movably connected with a sleeve (8), the middle of the bottom of the shell (1) is fixedly connected with an oil inlet valve (3), the top of the oil inlet valve (3) is fixedly communicated with a connecting pipe (4), the connecting pipe (4) is located at the bottom of the inner wall of the shell (1), the bottom of the surface of the sleeve (8) is connected with a one-way valve (10) in a threaded manner, the bottom of the one-way valve (10) is communicated with the top of the connecting pipe (4), and the bottom of the inner wall of the sleeve (8) is fixedly.

2. A portable sampling device for transformer insulating oil according to claim 1, characterized in that: the top fixedly connected with spacing ring (6) of casing (1) inner wall, draw-in groove (7) have been seted up on the right side of spacing ring (6) inner wall, top fixedly connected with fixture block (9) on sleeve (8) right side, fixture block (9) joint is in draw-in groove (7).

3. A portable sampling device for transformer insulating oil according to claim 1, characterized in that: the top of the inner wall of the sleeve (8) is in threaded connection with an upper sealing cover (12), and the bottom of the inner wall of the sleeve (8) is in threaded connection with a lower sealing cover (13).

4. A portable sampling device for transformer insulating oil according to claim 1, characterized in that: the left side of casing (1) is equipped with semicircular opening, flip (2) are the size mutual adaptation of arc and size and casing (1).

5. A portable sampling device for transformer insulating oil according to claim 1, characterized in that: the top of the inner wall of the shell (1) is provided with a storage groove, and the size of the storage groove is matched with the size of the bottom of the piston rod (5).

6. A portable sampling device for transformer insulating oil according to claim 1, characterized in that: the glass window (14) is arranged in the center of the front face of the sleeve (8), and scale marks (15) are carved on the surface of the glass window (14) in the vertical direction.