CN213456933U

CN213456933U - Monitoring device for dissolved gas in transformer oil

Info

Publication number: CN213456933U
Application number: CN202022445057.6U
Authority: CN
Inventors: 张晨波; 周玲
Original assignee: Wuhan Huahe Zhilian Technology Co ltd
Current assignee: Wuhan Huahe Zhilian Technology Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-06-15
Anticipated expiration: 2030-10-29

Abstract

The utility model relates to the technical field of transformer oil monitoring, and discloses a monitoring device for dissolved gas in transformer oil, which comprises a shell for mounting a monitoring device body, wherein a cavity with a forward opening is arranged at the lower end in the shell, a side door is arranged at an opening in the cavity, and sliding grooves are oppositely arranged on the left side wall and the right side wall of the cavity along the up-down direction; a liftable mounting frame is arranged in the cavity and comprises two parallel mounting plates, sliding blocks extending into corresponding sliding grooves to slide are arranged on the mounting plates, moving wheels are arranged on the lower side surfaces and the end parts of the mounting plates, and the mounting plates are connected through a connecting plate; the bottom wall of the cavity is provided with a notch for the corresponding movable wheel to extend out. Through the structure, the movable wheel can extend out of the notch and jack up the shell by lifting the mounting frame, so that the monitoring device body mounted on the shell is more convenient to use due to the fact that the shell is convenient to move.

Description

Monitoring device for dissolved gas in transformer oil

Technical Field

The utility model relates to a transformer oil monitoring technology field, specifically speaking relates to a monitoring devices that is arranged in transformer oil dissolved gas.

Background

Whether the transformer operates normally is directly related to the safe operation of the power system grid, and therefore monitoring of the state of the transformer becomes particularly important. The components and the content of the dissolved gas in the transformer oil can effectively represent the faults inside the transformer, so that the monitoring of the state of the transformer is changed into the research on the components and the content of the gas in the transformer oil.

In the current transformer fault monitoring means at home and abroad, an analysis method for dissolved gas in oil is a relatively mature and effective method which is widely applied by the power sector. At present, the on-line monitoring device for the dissolved gas in the transformer insulating oil in the market has the defect of inconvenient use caused by inconvenient change of the position of the monitoring device.

SUMMERY OF THE UTILITY MODEL

Inconvenient removal of monitoring devices to existence among the prior art changes the monitoring devices position, leads to awkward defect, the utility model provides a monitoring devices for gas dissolving in transformer oil. It can realize moving the wheel and stretch out and retract the function that makes the removal of casing comparatively convenient and carry out the buffering protection to the monitoring device body of installing in the casing in the cavity.

In order to solve the above technical problem, the present invention solves the above technical problems.

The monitoring device for the dissolved gas in the transformer oil comprises a shell for mounting a monitoring device body, wherein a cavity with a forward opening is arranged at the lower end part in the shell, a side door is arranged at the opening in the cavity, and sliding grooves are oppositely arranged on the left side wall and the right side wall of the cavity along the vertical direction; a liftable mounting frame is arranged in the cavity and comprises two parallel mounting plates, sliding blocks extending into corresponding sliding grooves to slide are arranged on the mounting plates, moving wheels are arranged on the lower side surfaces and the end parts of the mounting plates, and the mounting plates are connected through a connecting plate; the bottom wall of the cavity is provided with a notch for the corresponding movable wheel to extend out.

Through the utility model provides a structure for the mounting bracket goes up and down to drive and removes the wheel and stretch out and jack-up casing by the notch, thereby the removal of the casing of being convenient for makes the monitoring devices body's of installing on it use convenience more.

Preferably, the moving wheel is arranged on the mounting plate through a vibration reduction mechanism, the vibration reduction mechanism comprises a top plate and a bottom plate, the top plate is located above the mounting plate, the bottom plate is used for mounting the moving wheel, the bottom plate is connected with the top plate through two connecting columns, through holes for the corresponding connecting columns to penetrate through are formed in the mounting plate, and buffer springs used for pushing the bottom plate to move downwards are sleeved on the connecting columns.

Through the utility model provides a structure for buffer spring can cushion the vibration that makes the removal wheel remove the in-process and obtain effectual buffering damping to the vibration of bottom plate, thereby makes the monitoring devices body of installing on the casing obtain the buffering protection.

Preferably, a partition plate located above the mounting frame is arranged in the cavity, and an air cylinder used for driving the mounting frame to lift is arranged on the partition plate, so that the mounting frame can lift better.

Preferably, an installation cavity with an upward opening and used for placing the monitoring device body is arranged at the upper end part in the shell, a cover plate is arranged at the opening of the installation cavity, sliding grooves are oppositely arranged on the front side wall and the rear side wall of the installation cavity along the left-right direction, and guide columns are arranged in the sliding grooves; be equipped with the fixed plate of two mutual extrusion centre gripping monitoring devices bodies in the installation cavity, be equipped with the sliding block that stretches into the sliding tray on the fixed plate, the guide post passes the sliding block setting, and the cover is equipped with the spring that is used for promoting the fixed plate and is close to each other on the guide post.

Through the utility model provides a structure for the dismouting of monitoring devices body in the installation cavity is comparatively convenient, and the spring can remove the impact force of in-process scram to the casing simultaneously and cushion, avoids the monitoring devices body to lead to the collision to damage because of the scram.

Preferably, a pushing handle is arranged on the side surface of the shell, and the pushing handle is preferably convenient for an operator to push the shell to move.

Preferably, the front side wall and the rear side wall of the shell are relatively provided with rotating grooves, and the front side wall and the rear side wall of the shell are provided with arc-shaped grooves which are coaxial with the rotating grooves; the pushing hand comprises parallel plates and a pushing rod connected between the parallel plates, wherein the parallel plates are provided with a rotating column positioned in the rotating groove and a sliding column sliding in the arc-shaped groove.

Through the utility model provides a structure for the pushing hands can rotate when not using and carry out spacing mistake of avoiding the apron to the apron and open to the top of apron.

Drawings

FIG. 1 is a schematic view of a monitoring device for dissolved gas in transformer oil according to example 1;

FIG. 2 is a schematic sectional view of a monitoring device in example 1;

fig. 3 is a schematic view of a mount in embodiment 1;

fig. 4 is a schematic view of a vibration damping mechanism in embodiment 1;

fig. 5 is a schematic structural view of the pusher in embodiment 1.

The names of the parts indicated by the numerical references in the drawings are as follows: 100. a housing; 101. a side door; 102. a cover plate; 103. an arc-shaped slot; 110. a pushing handle; 200. a monitoring device body; 211. a cavity; 212. a partition plate; 213. a chute; 220. a cylinder; 230. a mounting frame; 241. a mounting cavity; 242. a sliding groove; 243. a guide post; 244. a spring; 250. a fixing plate; 310. mounting a plate; 311. a slider; 312. a through hole; 320. a connecting plate; 400. a moving wheel; 410. a top plate; 411. connecting columns; 412. a buffer spring; 420. a base plate; 510. parallel plates; 511. rotating the column; 512. a sliding post; 520. a push rod.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention only and are not limiting.

Example 1

As shown in fig. 1-5, the present embodiment provides a monitoring device for gas dissolved in transformer oil, which includes a housing 100 for mounting a monitoring device body 200, a cavity 211 with a forward opening is provided at a lower end portion in the housing 100, a side door 101 is provided at an opening of the cavity 211, and sliding grooves 213 are provided on left and right side walls of the cavity 211 along an up-down direction; a liftable mounting frame 230 is arranged in the cavity 211, the mounting frame 230 comprises two parallel mounting plates 310, a sliding block 311 extending into the corresponding sliding groove 213 to slide is arranged on each mounting plate 310, a moving wheel 400 is arranged on the lower side surface and the end part of each mounting plate 310, and the mounting plates 310 are connected through a connecting plate 320; the bottom wall of the cavity 211 is provided with a notch for the corresponding moving wheel 400 to extend out.

In this embodiment, the monitoring device body 200 is used for online monitoring of dissolved gas in transformer oil, and the structure and the working principle of the monitoring device body are both in the prior art, so detailed description is omitted; through the setting of cavity 211, spout 213 and mounting bracket 230 in this embodiment for slider 311 is located spout 213 and makes mounting bracket 230 obtain the restriction and make it can only go up and down in cavity 211, because the setting of notch, makes mounting bracket 230 descend and can drive and remove wheel 400 and stretch out and jack-up casing 100 by the notch, thereby it makes the use of the monitoring device body 200 of installing on it more convenient to be convenient for the removal of casing 100.

In this embodiment, the moving wheel 400 is disposed on the mounting plate 310 through a damping mechanism, the damping mechanism includes a top plate 410 located above the mounting plate 310 and a bottom plate 420 for mounting the moving wheel 400, the bottom plate 420 and the top plate 410 are connected through two connecting columns 411, the mounting plate 310 is provided with through holes 312 for the corresponding connecting columns 411 to pass through, and the connecting columns 411 are sleeved with buffer springs 412 for pushing the bottom plate 420 to move downwards.

Through the structure in the embodiment, the buffer spring 412 can buffer the vibration of the bottom plate 420, so that the vibration generated during the movement of the moving wheel 400 extending out of the notch can be effectively buffered and damped, and the monitoring device body 200 mounted on the housing 100 can be protected.

In this embodiment, a partition 212 located above the mounting frame 230 is disposed in the cavity 211, and an air cylinder 220 for driving the mounting frame 230 to ascend and descend is disposed on the partition 212.

In this embodiment, the air cylinder 220 is preferably installed and fixed by the partition 212, wherein the push rod of the air cylinder 220 is matched with the connecting plate 320, so as to preferably realize the lifting of the mounting frame 230 and the jacking of the housing 100, thereby facilitating the movement of the housing 100.

In this embodiment, an installation cavity 241 having an upward opening and used for placing the monitoring device body 200 is provided at the upper end of the casing 100, a cover plate 102 is provided at the opening of the installation cavity 241, sliding grooves 242 are provided on the front and rear side walls of the installation cavity 241 along the left and right directions, and guide posts 243 are provided in the sliding grooves 242; two fixing plates 250 which extrude the clamping monitoring device body 200 mutually are arranged in the mounting cavity 241, sliding blocks which stretch into the sliding grooves 242 are arranged on the fixing plates 250, guide columns 243 penetrate through the sliding blocks, and springs 244 which are used for pushing the fixing plates 250 to be close to each other are sleeved on the guide columns 243.

Through the structure in this embodiment, the spring 244 always pushes the sliding blocks to approach each other to drive the fixing plate 250 to clamp and fix the monitoring device body 200 located therebetween, so that the monitoring device body 200 is better fixed in the mounting cavity 241, and meanwhile, the spring 244 can buffer the impact force of sudden stop in the moving process of the housing 100, so that the monitoring device body 200 obtains better buffer protection, and collision damage caused by the sudden stop is avoided.

In this embodiment, a pushing handle 110 is disposed on a side of the housing 100, which is preferably convenient for an operator to push the housing 100 to move.

In this embodiment, the front and rear side walls of the casing 100 are relatively provided with rotating grooves, and the front and rear side walls of the casing 100 are provided with arc-shaped grooves 103 coaxially arranged with the rotating grooves; the pushing handle 110 comprises parallel plates 510 and a pushing rod 520 connected between the parallel plates 510, wherein the parallel plates 510 are provided with a rotating column 511 positioned in the rotating groove and a sliding column 512 positioned in the arc-shaped groove 103 for sliding.

In this embodiment, the rotating column 511 extends into the rotating slot to rotatably connect the pushing handle 110 to the casing 100, wherein the radian of the arc-shaped slot 103 is 90 ° and the sliding column 512 is located in the arc-shaped slot 103 to slide, so that a connecting line between one end of the arc-shaped slot 103 and the center of the rotating slot is parallel to the cover plate 102, and the pushing handle 110 can be in a horizontal state to facilitate an operator to push the casing 100 to move; so that the connecting line between the other end of the arc-shaped groove 103 and the center of the rotating groove is perpendicular to the cover plate 102, and the pushing handle 110 can rotate above the cover plate 102 when not in use, so that the cover plate 102 is limited to avoid the cover plate 102 from being opened by mistake.

When the monitoring device for the dissolved gas in the transformer oil is used specifically, the fixing plates 250 are firstly shifted to be separated from each other, so that the fixing plates 250 are loosened after the monitoring device body 200 is placed in the installation cavity 241, and the springs 244 push the fixing plates 250 to approach each other, so that the monitoring device body 200 is fixed; when the shell 100 needs to be moved, the cylinder 220 pushes the mounting frame 230 to move downwards so that the moving wheel 400 extends out of the notch and jacks up the shell 100, the user drives the shell 100 to move through the push handle 110, after the movement is completed, the cylinder 220 drives the mounting frame 230 to move upwards so that the moving wheel 400 retracts into the cavity 211, the shell 100 is stably parked, and the monitoring device body 200 is convenient to use.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims

1. A monitoring devices for gas dissolves in transformer oil, its characterized in that: the monitoring device comprises a shell (100) used for installing a monitoring device body (200), wherein a cavity (211) with a forward opening is arranged in the shell (100) and positioned at the lower end part, a side door (101) is arranged at the opening of the cavity (211), and sliding grooves (213) are oppositely arranged on the left side wall and the right side wall of the cavity (211) along the vertical direction; a liftable mounting frame (230) is arranged in the cavity (211), the mounting frame (230) comprises two parallel mounting plates (310), a sliding block (311) extending into the corresponding sliding groove (213) to slide is arranged on each mounting plate (310), a moving wheel (400) is arranged on the lower side surface of each mounting plate (310) and positioned at the end part of each mounting plate, and the mounting plates (310) are connected through a connecting plate (320); the bottom wall of the cavity (211) is provided with a notch for the corresponding moving wheel (400) to extend out.

2. The apparatus for monitoring dissolved gas in transformer oil according to claim 1, wherein: remove wheel (400) and locate mounting panel (310) through a damping mechanism on, damping mechanism is including roof (410) that is located mounting panel (310) top and bottom plate (420) that are used for the installation to remove wheel (400), is connected through two spliced poles (411) between bottom plate (420) and roof (410), is equipped with through-hole (312) that the confession corresponds spliced pole (411) and passes on mounting panel (310), and the cover is equipped with buffer spring (412) that are used for promoting bottom plate (420) to move down on spliced pole (411).

3. The apparatus for monitoring dissolved gas in transformer oil according to claim 1, wherein: a partition plate (212) positioned above the mounting frame (230) is arranged in the cavity (211), and an air cylinder (220) used for driving the mounting frame (230) to lift is arranged on the partition plate (212).

4. The apparatus for monitoring dissolved gas in transformer oil according to claim 1, wherein: an installation cavity (241) which is provided with an upward opening and used for placing the monitoring device body (200) is arranged at the upper end part in the shell (100), a cover plate (102) is arranged at the opening of the installation cavity (241), sliding grooves (242) are oppositely arranged on the front side wall and the rear side wall of the installation cavity (241) along the left-right direction, and guide columns (243) are arranged in the sliding grooves (242); be equipped with two fixed plates (250) that extrude centre gripping monitoring devices body (200) each other in installation cavity (241), be equipped with the sliding block that stretches into in sliding tray (242) on fixed plate (250), guide post (243) pass the sliding block setting, and the cover is equipped with spring (244) that are used for promoting fixed plate (250) and are close to each other on guide post (243).

5. The apparatus for monitoring dissolved gas in transformer oil according to claim 1, wherein: a push handle (110) is arranged on the side surface of the shell (100).

6. The apparatus according to claim 5, wherein: the front side wall and the rear side wall of the shell (100) are relatively provided with rotating grooves, and the front side wall and the rear side wall of the shell (100) are provided with arc-shaped grooves (103) which are coaxial with the rotating grooves; the pushing hand (110) comprises parallel plates (510) arranged in parallel and a pushing rod (520) connected between the parallel plates (510), wherein a rotating column (511) positioned in the rotating groove and a sliding column (512) positioned in the arc-shaped groove (103) and sliding are arranged on the parallel plates (510).