CN212845601U

CN212845601U - Transformer resistance measuring instrument with insulativity based on flux linkage balance

Info

Publication number: CN212845601U
Application number: CN202021337506.9U
Authority: CN
Inventors: 罗细丹
Original assignee: Wuhan Huadian Goldman Sachs Electrical Measurement Technology Co ltd
Current assignee: Wuhan Huadian Goldman Sachs Electrical Measurement Technology Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-03-30
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses a transformer resistance measuring instrument with insulativity based on flux linkage balance, which comprises a sealing cover and a shell, wherein the top of the shell is movably connected with the sealing cover, the upper end surface of the shell is provided with a linkage cleaning mechanism, the linkage cleaning mechanism is positioned at the outer side of a display screen on the shell, the linkage cleaning mechanism comprises a sliding rod, sliding rails and ropes which are positioned at two sides of the sliding rod and are parallel to each other, pulleys are arranged at two sides of the sliding rod, a sliding groove corresponding to the pulleys is arranged at the inner side of the sliding rail, cleaning sponge is arranged at the bottom of the sliding rod, and an expansion spring is arranged at the inner side of the sliding groove and near one end of the sealing cover; the linkage cleaning mechanism located at the display screen is installed through the arrangement, the linkage cleaning mechanism moves through the action of opening the sealing cover to turn over, so that the surface of the display screen is cleaned, the manual operation linkage cleaning mechanism is not needed, and the practicability of the device is improved.

Description

Transformer resistance measuring instrument with insulativity based on flux linkage balance

Technical Field

The utility model belongs to the technical field of resistance measuring instrument, concretely relates to transformer resistance measuring instrument with insulating nature based on flux linkage is balanced.

Background

The direct-current resistance of the transformer winding is an indispensable test item after the transformer is connected, overhauled and changed with a tap switch, and is also an important detection item after a fault; the tester for the direct-current resistance of the transformer is rapid testing equipment for the direct-current resistance of the transformer, a mutual inductor, a generator, a motor, a line and the like.

The existing transformer resistance measuring instrument is easy to accumulate dust on the surface of a display screen due to the fact that a sealing cover needs to be opened during measurement, and needs to be cleaned manually, and therefore the transformer resistance measuring instrument based on flux linkage balance and having insulation performance is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transformer resistance measuring apparatu with insulating nature based on flux linkage is balanced to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a transformer resistance measuring apparatu with insulating nature based on flux linkage is balanced, includes sealed lid and casing, the top swing joint of casing has sealed lid, the clean mechanism of linkage is installed to the up end of casing, the clean mechanism of linkage is located the outside of the display screen on the casing, the clean mechanism of linkage includes the slide bar, is located the slide bar both sides and the slide rail and the rope that are parallel to each other, the pulley is all installed to the both sides of slide bar, the spout that corresponds with the pulley is seted up to the inboard of slide rail, clean sponge is installed to the bottom of slide bar, expansion spring is installed to the inboard of spout and the one end that is close to sealed lid, install the rope between slide bar and the sealed lid.

Furthermore, a fixing shaft is arranged between the sliding rod and the pulley, a bearing is sleeved on the outer side of the fixing shaft, and a fixing plate is installed on one side, facing the expansion spring, of the bearing.

Furthermore, a guide post is mounted on the inner side of the sliding groove, the guide post penetrates through the inner side of the fixing plate, and the fixing plate can slide along the guide post.

Furthermore, the first end of the expansion spring is fixedly connected with the fixing plate, and the second end of the expansion spring is fixedly connected with the inner wall of the sliding groove.

Furthermore, the number of the guide posts is two, and the guide posts are arranged in parallel.

Further, the fixing plate is perpendicular to the horizontal line.

Further, the display screen is installed at the top of casing, the slide rail is located the both sides of display screen.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the linkage cleaning mechanism located at the display screen is installed through the arrangement, the linkage cleaning mechanism moves through the action of opening the sealing cover to turn over, so that the surface of the display screen is cleaned, the manual operation linkage cleaning mechanism is not needed, and the practicability of the device is improved.

2. Through having set up fixed plate and expansion spring for close the back at sealed lid, the slide bar can reset under expansion spring's effect, so that next use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

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

fig. 2 is a side view of the slide rail of the present invention;

fig. 3 is a schematic structural view of the sliding rod of the present invention;

FIG. 4 is an enlarged schematic view of the part A of the present invention;

in the figure: 1. a sealing cover; 2. a housing; 3. a display screen; 4. a linkage cleaning mechanism; 5. a slide rail; 6. a rope; 7. a guide post; 8. an expansion spring; 9. a pulley; 10. a bearing; 11. a fixed shaft; 12. a fixing plate; 13. cleaning the sponge; 14. a slide bar; 15. a chute.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, the utility model provides a technical scheme: a transformer resistance measuring instrument based on magnetic linkage balance and having insulativity comprises a sealing cover 1 and a shell 2, wherein the top of the shell 2 is movably connected with the sealing cover 1, a linkage cleaning mechanism 4 is installed on the upper end face of the shell 2, the linkage cleaning mechanism 4 is positioned on the outer side of a display screen 3 on the shell 2, the linkage cleaning mechanism 4 comprises a sliding rod 14, sliding rails 5 and ropes 6 which are positioned on two sides of the sliding rod 14 and are parallel to each other, pulleys 9 are installed on two sides of the sliding rod 14, a sliding groove 15 corresponding to the pulleys 9 is formed in the inner side of the sliding rail 5, a cleaning sponge 13 is installed at the bottom of the sliding rod 14, an expansion spring 8 is installed at one end, close to the sealing cover 1, of the inner side of the sliding groove 15, the ropes 6 are installed between the sliding rod 14 and the sealing cover 1, the linkage cleaning mechanism 4 positioned at the display screen 3 is installed, so as to clean the surface of the display screen 3, the manual operation linkage cleaning mechanism 4 is not needed, and the practicability of the device is increased.

In this embodiment, furthermore, fixed axle 11 has between slide bar 14 and the pulley 9, the outside cover of fixed axle 11 is equipped with bearing 10, bearing 10 installs fixed plate 12 towards one side of expansion spring 8, the first end and the fixed plate 12 fixed connection of expansion spring 8, the second end of expansion spring 8 and the inner wall fixed connection of spout 15, guide pillar 7 is installed to the inboard of spout 15, guide pillar 7 runs through the inboard of fixed plate 12, fixed plate 12 can slide along guide pillar 7, the quantity of guide pillar 7 is two, and mutual parallel arrangement, through having set up fixed plate 12 in the fixed bearing 10 outside, fixed plate 12 can not take place to rotate, and guide pillar 7 can carry on spacingly to fixed plate 12, so that expansion spring 8 promotes fixed plate 12.

In this embodiment, further, the fixing plate 12 is perpendicular to the horizontal line.

In this embodiment, further, the display screen 3 is installed at the top of the casing 2, and the slide rails 5 are located on two sides of the display screen 3.

The utility model discloses a theory of operation and use flow: when the device uses, open and the sealed lid 1 of upset, can slide to one side of sealed lid 1 along spout 15 through rope 6 pulling slide bar 14, can clear up the surface of display screen 3 through clean sponge 13 when gliding, because the unable elasticity through expanding spring 8 of the weight of sealed lid 1 promotes, consequently, expanding spring 8 shrink this moment, close the back at sealed lid 1, rope 6 is not spacing to slide bar 14, consequently, can promote fixed plate 12 and drive slide bar 14 and remove to the one side of keeping away from sealed lid 1 under the effect of expanding spring 8 elasticity promptly, make it reset, and through having set up fixed plate 12 in the fixed bearing 10 outside, fixed plate 12 can not take place to rotate, and guide pillar 7 can carry on spacingly to fixed plate 12, so that expanding spring 8 promotes fixed plate 12.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a transformer resistance measuring instrument that has insulating nature based on flux linkage is balanced, includes sealed lid (1) and casing (2), its characterized in that: the utility model discloses a portable electronic device, including casing (2), the top swing joint of casing (2) has sealed lid (1), the clean mechanism (4) of linkage is installed to the up end of casing (2), the clean mechanism (4) of linkage is located the outside of display screen (3) on casing (2), the clean mechanism (4) of linkage includes slide bar (14), slide rail (5) and rope (6) that are located slide bar (14) both sides and are parallel to each other, pulley (9) are all installed to the both sides of slide bar (14), spout (15) that correspond with pulley (9) are seted up to the inboard of slide rail (5), clean sponge (13) are installed to the bottom of slide bar (14), expansion spring (8) are installed to the inboard of spout (15) and the one end that is close to sealed lid (1), install rope (6) between slide bar (14) and sealed lid (1).

2. The instrument for measuring the resistance of the transformer with the insulation property based on the flux linkage balance as claimed in claim 1, wherein: a fixing shaft (11) is arranged between the sliding rod (14) and the pulley (9), a bearing (10) is sleeved on the outer side of the fixing shaft (11), and a fixing plate (12) is installed on one side, facing the expansion spring (8), of the bearing (10).

3. The instrument for measuring the resistance of the transformer with the insulation property based on the flux linkage balance as claimed in claim 1, wherein: the guide post (7) is installed on the inner side of the sliding groove (15), the guide post (7) penetrates through the inner side of the fixing plate (12), and the fixing plate (12) can slide along the guide post (7).

4. The instrument for measuring the resistance of the transformer with the insulation property based on the flux linkage balance as claimed in claim 2, wherein: the first end of the expansion spring (8) is fixedly connected with the fixing plate (12), and the second end of the expansion spring (8) is fixedly connected with the inner wall of the sliding groove (15).

5. The instrument for measuring the resistance of the transformer with the insulation property based on the flux linkage balance as claimed in claim 3, wherein: the number of the guide posts (7) is two, and the guide posts are arranged in parallel.

6. The instrument for measuring the resistance of the transformer with the insulation property based on the flux linkage balance as claimed in claim 2, wherein: the fixing plate (12) is perpendicular to the horizontal line.

7. The instrument for measuring the resistance of the transformer with the insulation property based on the flux linkage balance as claimed in claim 1, wherein: display screen (3) are installed at the top of casing (2), slide rail (5) are located the both sides of display screen (3).