CN217718824U

CN217718824U - Digital device for monitoring transformer gas

Info

Publication number: CN217718824U
Application number: CN202221216274.0U
Authority: CN
Inventors: 唐平; 陈正潮
Original assignee: Nanjing Xinzhiwan Software Technology Co ltd
Current assignee: Nanjing Xinzhiwan Software Technology Co ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-11-01
Anticipated expiration: 2032-05-20

Abstract

The utility model discloses a digital device that can be used to transformer gas monitoring belongs to transformer gas monitoring devices technical field, including the transformer main part, the transformer main part includes the casing, the inside wall fixedly connected with fixed plate of casing, the top surface middle part of fixed plate is provided with first electrical contact, the inside of casing and be provided with the air chamber in the top of fixed plate, the inside of air chamber is provided with the piston board, the bottom surface middle part of piston board is provided with second electrical contact, first electrical contact is corresponding with second electrical contact. The utility model discloses in, when gas appears revealing, can warn the demonstration to remind the staff to overhaul, thereby guaranteed the normal work of transformer.

Description

Digital device for monitoring transformer gas

Technical Field

The utility model relates to a transformer gas monitoring devices technical field specifically is a can be used to digital device of transformer gas monitoring.

Background

Through the retrieval, the public (announcement) number is "CN211062575U" a gas monitoring alarm device for oil-immersed power transformer, include the transformer body and set up in the outlet duct at transformer body top, gaseous collection casing and alarm, the outlet duct sets up with the right side wall bottom intercommunication of gaseous collection casing, the fixed baffle that is equipped with of inside upside of gaseous collection casing, the upper surface center department of baffle has seted up the gas guide hole, and the fixed cushion that is equipped with in inside of gas guide hole, the fixed first conducting strip that is equipped with of upside of cushion, the fixed two connecting rods that are equipped with of top inner wall symmetry of gaseous collection casing, the lower extreme of two connecting rods is fixed jointly and is equipped with the fixed plate, the fixed second conducting strip that corresponds with first conducting strip position that is equipped with to the lower surface of fixed plate.

Although the gas monitoring and alarming device for the oil-immersed power transformer with the publication (announcement) number of 'CN 211062575U' can remind workers of gas leakage of the transformer in time, so that normal work of the transformer can be maintained, the elastic performance of the elastic cushion can be reduced after the elastic cushion stretches for multiple times, so that the use effect can be influenced, and therefore the digitization device for monitoring the gas of the transformer is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can be used to the digital device of transformer gas monitoring to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a digital device for monitoring transformer gas comprises a transformer main body, wherein the transformer main body comprises a shell, the inner side wall of the shell is fixedly connected with a fixed plate, and the middle part of the top surface of the fixed plate is provided with a first electric contact;

an air chamber is arranged in the shell and above the fixing plate, a piston plate is arranged in the air chamber, a second electric contact is arranged in the middle of the bottom surface of the piston plate, and the first electric contact corresponds to the second electric contact.

As an optimal technical scheme of the utility model, the embedded display screen that is provided with of top surface of casing, display screen and first electrical contact and second electrical contact electric connection.

As a preferred technical scheme of the utility model, the lateral wall of casing runs through and is provided with the intake pipe, the one end of intake pipe extends to in the gas chamber.

As a preferred technical scheme of the utility model, the lateral wall of air chamber runs through and is provided with the arc pipe, the one end of arc pipe extends to the top surface of casing.

As a preferred technical scheme of the utility model, be provided with the internal thread in the port of arc pipe, one side of casing is provided with the fastening knob, the lateral wall fixedly connected with screw rod of fastening knob, the screw rod cooperatees with the internal thread, the lateral wall of screw rod is provided with seal ring.

As an optimal technical scheme of the utility model, the lateral wall fixedly connected with lag of piston board, the size and the air chamber of lag cooperate, just lag and air chamber sliding connection.

As a preferred technical scheme of the utility model, the inside of casing and be provided with the cavity in the below of fixed plate, the inside of cavity is provided with the sleeve, telescopic bottom surface is fixed mutually with the interior diapire of cavity, telescopic top surface is fixed mutually with the bottom surface of fixed plate, telescopic top surface interlude is provided with the movable rod, the top surface of fixed plate runs through and is provided with the opening, the movable rod cooperatees with the opening, the top fixedly connected with roof of movable rod, the roof is located the air chamber, the lateral wall of movable rod encircles and is provided with the spring, the top of spring is fixed mutually with the bottom surface of roof, the bottom of spring is connected with the top surface of fixed plate.

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

1. the utility model discloses, when gas appeared revealing, can make first electrical contact move down to contact with second electrical contact, so as to form closed circuit, thereby warn and show, so as to remind the staff to overhaul;

2. the utility model discloses, after the staff learns warning signal, mutually support through screw rod and internal screw thread, can be so that fastening knob and arc tube part mutually to arrange the gas in the gas chamber outside through the arc tube, thereby make first electrical contact part mutually with the second electrical contact under the effect of spring, so that make the circuit disconnection, stop the warning and show.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention,

figure 2 is a schematic view of the shell of the utility model,

FIG. 3 is a schematic view of the internal structure of the housing of the present invention,

fig. 4 is a schematic diagram of the first electrical contact mating with the second electrical contact.

In the figure: 1. a transformer main body; 2. a housing; 3. a display screen; 4. a gas chamber; 5. an air inlet pipe; 6. an arc tube; 7. an internal thread; 8. a sealing gasket; 9. fastening a knob; 10. a fixing plate; 11. a chamber; 12. a sleeve; 13. a movable rod; 14. a top plate; 15. a spring; 16. a first electrical contact; 17. a piston plate; 18. a second electrical contact; 19. a protective sleeve.

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 efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Example (b): as shown in fig. 1-4, the utility model provides a can be used to digital device of transformer gas monitoring, including transformer main body 1, transformer main body 1 includes casing 2, the embedded display screen 3 that is provided with of top surface of casing 2, display screen 3 and first electrical contact 16 and second electrical contact 18 electric connection, the inside wall fixed connection of casing 2 has fixed plate 10, the top surface middle part of fixed plate 10 is provided with first electrical contact 16, first electrical contact 16 corresponds with second electrical contact 18, and when first electrical contact 16 contacts with second electrical contact 18, can form closed circuit, thereby warn and show, in order to remind the staff to overhaul;

an air chamber 4 is arranged in the shell 2 and above the fixing plate 10, an air inlet pipe 5 penetrates through the side wall of the shell 2, one end of the air inlet pipe 5 extends into the air chamber 4, an arc-shaped pipe 6 penetrates through the side wall of the air chamber 4, one end of the arc-shaped pipe 6 extends to the top surface of the shell 2, an internal thread 7 is arranged in a port of the arc-shaped pipe 6, a fastening knob 9 is arranged on one side of the shell 2, a screw is fixedly connected to the side wall of the fastening knob 9 and matched with the internal thread 7, the fastening knob 9 is screwed, the fastening knob 9 is separated from the arc-shaped pipe 6 through the mutual matching of the screw and the internal thread 7, at the moment, the arc-shaped pipe 6 is in a smooth state, gas in the air chamber 4 can be discharged through the arc-shaped pipe 6, so that the air pressure in the air chamber 4 is reduced, a sealing gasket 8 is arranged on the side wall of the screw, and the sealing gasket 8 is used for sealing protection;

a piston plate 17 is arranged in the air chamber 4, the side wall of the piston plate 17 is fixedly connected with a protective sleeve 19, the size of the protective sleeve 19 is matched with that of the air chamber 4, the protective sleeve 19 is in sliding connection with the air chamber 4, a second electric contact 18 is arranged in the middle of the bottom surface of the piston plate 17, and a first electric contact 16 corresponds to the second electric contact 18;

inside of casing 2 and be provided with cavity 11 in the below of fixed plate 10, the inside of cavity 11 is provided with sleeve 12, the bottom surface of sleeve 12 is fixed with the inner bottom wall of cavity 11 mutually, the top surface of sleeve 12 is fixed mutually with the bottom surface of fixed plate 10, the top surface interlude of sleeve 12 is provided with movable rod 13, the top surface of fixed plate 10 runs through and is provided with the opening, movable rod 13 cooperatees with the opening, the top fixedly connected with roof 14 of movable rod 13, roof 14 is located air chamber 4, the lateral wall of movable rod 13 encircles and is provided with spring 15, the top of spring 15 is fixed mutually with the bottom surface of roof 14, the bottom of spring 15 is connected with the top surface of fixed plate 10.

The working principle is as follows: when the gas leakage detection device is used, leaked gas can be accumulated in the gas chamber 4 when the gas is leaked, and along with the continuous increase of the gas, when the gas pressure in the gas chamber 4 is greater than the elastic force of the spring 15, the piston plate 17 can be pressed down, so that the first electric contact 16 is contacted with the second electric contact 18 to form a closed loop, and at the moment, the display screen 3 starts to warn and display to facilitate the overhaul of a worker;

after the staff learns warning signal, twist and move fastening knob 9, mutually support through screw rod and internal thread 7, make fastening knob 9 separate mutually with arc tube 6, at this moment, arc tube 6 is in unblocked state, gas in the air chamber 4 can be discharged through arc tube 6, thereby reduce the atmospheric pressure in the air chamber 4, when atmospheric pressure in the air chamber 4 is less than spring 15's elasticity, piston plate 17 can drive first electrical contact 16 rebound, thereby make first electrical contact 16 separate mutually with second electrical contact 18, at this moment, the circuit disconnection, display screen 3 no longer warns the demonstration.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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

1. The utility model provides a can be used to digital device of transformer gas monitoring, includes transformer main part (1), its characterized in that: the transformer main body (1) comprises a shell (2), the inner side wall of the shell (2) is fixedly connected with a fixed plate (10), and the middle of the top surface of the fixed plate (10) is provided with a first electric contact (16);

an air chamber (4) is arranged in the shell (2) and above the fixing plate (10), a piston plate (17) is arranged in the air chamber (4), a second electric contact (18) is arranged in the middle of the bottom surface of the piston plate (17), and the first electric contact (16) corresponds to the second electric contact (18).

2. The digital device for monitoring transformer gas as claimed in claim 1, wherein: the display screen (3) is embedded in the top surface of the shell (2), and the display screen (3) is electrically connected with the first electric contact (16) and the second electric contact (18).

3. The digital device for monitoring transformer gas as claimed in claim 1, wherein: the lateral wall of casing (2) runs through and is provided with intake pipe (5), the one end of intake pipe (5) extends to in air chamber (4).

4. The digital device for monitoring transformer gas as claimed in claim 1, wherein: the side wall of the air chamber (4) is provided with an arc-shaped pipe (6) in a penetrating mode, and one end of the arc-shaped pipe (6) extends to the top face of the shell (2).

5. The digital device for monitoring transformer gas as claimed in claim 4, wherein: an internal thread (7) is arranged in a port of the arc-shaped pipe (6), a fastening knob (9) is arranged on one side of the shell (2), a screw rod is fixedly connected to the side wall of the fastening knob (9), the screw rod is matched with the internal thread (7), and a sealing gasket (8) is arranged on the side wall of the screw rod.

6. The digital device for monitoring transformer gas as claimed in claim 1, wherein: the side wall of the piston plate (17) is fixedly connected with a protecting sleeve (19), the size of the protecting sleeve (19) is matched with that of the air chamber (4), and the protecting sleeve (19) is in sliding connection with the air chamber (4).

7. The digital device for monitoring transformer gas as claimed in claim 1, wherein: the inside of casing (2) and be provided with cavity (11) in the below of fixed plate (10), the inside of cavity (11) is provided with sleeve (12), the bottom surface of sleeve (12) is fixed mutually with the interior diapire of cavity (11), the top surface of sleeve (12) is fixed mutually with the bottom surface of fixed plate (10), the top surface interlude of sleeve (12) is provided with movable rod (13), the top surface of fixed plate (10) is run through and is provided with the opening, movable rod (13) and opening cooperate, the top fixedly connected with roof (14) of movable rod (13), roof (14) are located air chamber (4), the lateral wall ring of movable rod (13) is around being provided with spring (15), the top of spring (15) is fixed mutually with the bottom surface of roof (14), the bottom of spring (15) is connected with the top surface of fixed plate (10).