CN215955011U

CN215955011U - Transformer intelligence exhaust apparatus

Info

Publication number: CN215955011U
Application number: CN202122259048.2U
Authority: CN
Inventors: 武鹏; 金学林; 徐龙
Original assignee: Shaanxi Zhuoyuan Electric Technology Co ltd
Current assignee: Shaanxi Zhuoyuan Electric Technology Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-03-04
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses an intelligent transformer exhaust device which comprises an exhaust box and a box cover, wherein an alarm is fixedly connected to one side, away from a pipeline, of the exhaust box, the box cover is fixedly connected to the top end of the exhaust box, a first fixing rod and a second fixing rod are fixedly connected to the lower end of the box cover, a first pressure sensor is fixedly connected to the lower end of the first fixing rod, a second pressure sensor is fixedly connected to the lower end of the second fixing rod, a pressure sensor is fixedly connected to the bottom end of the box cover, an exhaust pipe is connected to the upper end of the box cover, and an intelligent electromagnetic valve is fixedly connected to the exhaust pipe. According to the intelligent exhaust and alarm device, the intelligent electromagnetic valve can control the switch according to signals sent by the pressure sensor, the first pressure sensor and the second pressure sensor to perform intelligent exhaust and automatic closing, the second pressure sensor can control the alarm to give an alarm and the intelligent electromagnetic valve to be closed, and the intelligent exhaust and alarm device can play a role in exhaust and alarm.

Description

Transformer intelligence exhaust apparatus

Technical Field

The utility model relates to the field of transformer exhaust, in particular to an intelligent exhaust device for a transformer.

Background

The rack transformer is activated in a 10 KV distribution network power supply system for many years due to low price and convenient installation mode, and meanwhile, part of the rack transformers have design defects due to uneven production level of manufacturers. The exhaust gas generated in the operation can not be discharged smoothly, the accuracy of the oil level indicator is influenced, and the operation and maintenance personnel can easily make misjudgment to cause unnecessary power failure or burning of the transformer and other serious consequences.

The prior patent (CN207367743U) discloses a power transformer automatic exhaust device, relate to power transformer exhaust device field, to most rack transformer discharge valve can become difficult to open along with the live time becomes, lead to gaseous not going out, thereby influence the accuracy of oil level gaugember, make the oil level gaugember can not accurate instruction oil level, lead to fortune dimension personnel to receive wrong instruction and misjudge, cause the transformer to descend because of insulating oil is not enough insulation, generate heat and the problem that alternate short circuit burns out, utilize time switch and the solenoid valve of setting in the box, the solenoid valve inlet end is connected with the transformer gas vent, bleed to the transformer through time switch timing control solenoid valve, thereby reach the purpose of completely discharging transformer inside waste gas, the device simple structure, and convenient operation has extensive market prospect.

The utility model discloses a shortcoming is when the transformer itself has the weeping condition, and the inside atmospheric pressure of transformer is unanimous basically with external atmospheric pressure, and exhaust apparatus can't carry out corresponding processing to this condition, and opens under the solenoid valve condition once more and can lead to the inside oil level of transformer to further descend on the contrary.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides an intelligent exhaust device for a transformer.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a transformer intelligence exhaust apparatus, includes exhaust box and lid, one side lower extreme fixed connection pipeline of exhaust box, just the pipeline link up the box wall of exhaust box, the upper end of exhaust box is equipped with the lid, the upper end fixedly connected with blast pipe of lid, the spacing section of thick bamboo of lower extreme intermediate position fixedly connected with of lid, one side fixedly connected with siren of pipeline is kept away from to the exhaust box.

As a further description of the above technical solution: and one end of the pipeline, which is far away from the exhaust box, is fixedly connected with a flange plate.

As a further description of the above technical solution: and a liquid level observation port is fixedly connected to the box wall at the front side of the exhaust box.

As a further description of the above technical solution: a floating block is arranged in the limiting cylinder in a sliding mode.

As a further description of the above technical solution: and both sides of the floating block are fixedly connected with metal deflector rods.

As a further description of the above technical solution: the lower end of the box cover is fixedly connected with a first fixing rod and a second fixing rod, and the lower end of the box cover is fixedly connected with a pressure sensor.

As a further description of the above technical solution: the lower extreme fixedly connected with first pressure sensors of first dead lever, the bottom fixedly connected with second pressure sensors of second dead lever, just second pressure sensors is located the below of first pressure sensors.

As a further description of the above technical solution: the lower extreme of lid and the junction fixedly connected with of exhaust box are sealed, the lid passes through screw and exhaust box fixed connection.

As a further description of the above technical solution: and the pipe body of the exhaust pipe is fixedly connected with an intelligent electromagnetic valve.

The utility model has the following beneficial effects:

1. the utility model discloses an in, the liquid level observation mouth that the exhaust box front side set up is convenient for look over the oil level, and lid bottom fixed connection's sealed pad makes the whole gas tightness of exhaust box better, and the lid passes through screw and exhaust box fixed connection's design for the exhaust box can be opened and overhauls.

2. The utility model discloses an in, floating block both sides fixed connection's metal driving lever and first pressure sensors, second pressure sensors all can mutually support, the intelligence solenoid valve then can carry out on-off control according to the signal that pressure sensor, first pressure sensors, second pressure sensors sent, the signal that second pressure sensors sent can also control the siren and report to the police simultaneously, this structural design makes the exhaust of transformer more intelligent, and can report to the police the weeping condition of transformer.

Drawings

Fig. 1 is a front view of an intelligent exhaust device for a transformer according to the present invention;

fig. 2 is a front sectional view of an intelligent exhaust device of a transformer according to the present invention;

FIG. 3 is a sectional view of the box body of the intelligent exhaust device of the transformer according to the present invention;

FIG. 4 is an isometric view of a floating block structure of the intelligent exhaust device of the transformer according to the present invention;

fig. 5 is a control flowchart of an intelligent exhaust device for a transformer according to the present invention.

Illustration of the drawings:

1. a flange plate; 2. a pipeline; 3. an exhaust box; 4. a liquid level observation port; 5. an alarm; 6. a box cover; 7. a screw; 8. an intelligent electromagnetic valve; 9. a pressure sensor; 10. a limiting cylinder; 11. a first fixing lever; 12. floating blocks; 13. a second fixing bar; 14. a metal deflector rod; 15. a gasket; 16. an exhaust pipe; 17. A first pressure sensor; 18. a second pressure sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 simplicity of description, but 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 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, one embodiment of the present invention is provided: the utility model provides a transformer intelligence exhaust apparatus, including exhaust box 3 and lid 6, one side lower extreme fixed connection pipeline 2 of exhaust box 3, and pipeline 2 link up the box wall of exhaust box 3, the upper end of exhaust box 3 is equipped with lid 6, the upper end fixedly connected with blast pipe 16 of lid 6, the spacing section of thick bamboo 10 of lower extreme intermediate position fixedly connected with of lid 6, one side fixedly connected with siren 5 of pipeline 2 is kept away from to exhaust box 3, the one end fixedly connected with ring flange 1 of exhaust box 3 is kept away from to pipeline 2, in this structural design, exhaust box 3 and transformer are being connected through ring flange 1 to pipeline 2, the effect of the installation of being convenient for has been played in setting up of ring flange 1.

Fixedly connected with liquid level observation mouth 4 on the front side box wall of exhaust box 3, when the setting of liquid level observation mouth 4 was convenient for the normal maintenance inspection, audio-visual observation oil level.

The lower end of the box cover 6 is fixedly connected with a first fixing rod 11 and a second fixing rod 13, the lower end of the box cover 6 is fixedly connected with a pressure sensor 9, and the pressure sensor 9 is arranged to control exhaust closing when the internal pressure of the transformer returns to normal after exhaust is finished.

The limiting cylinder 10 is internally provided with a floating block 12 in a sliding manner, both sides of the floating block 12 are fixedly connected with a metal shifting rod 14, the lower end of a first fixing rod 11 is fixedly connected with a first pressure sensor 17, the bottom end of a second fixing rod 13 is fixedly connected with a second pressure sensor 18, the second pressure sensor 18 is positioned below the first pressure sensor 17, and an intelligent electromagnetic valve 8 is fixedly connected to the pipe body of an exhaust pipe 16. in the structural design, the intelligent electromagnetic valve 8 can control exhaust by receiving a signal sent by the first sensor, when the first pressure sensor 17 is touched by the metal shifting rod 14, a signal is sent out, the intelligent electromagnetic valve 8 is controlled to be opened and exhausted, after the exhaust is finished, the pressure in the transformer recovers to be normal, at the moment, the pressure sensor 9 sends out a signal, the intelligent electromagnetic valve 8 is controlled to be closed, when the liquid leakage condition of the transformer occurs, the oil level continuously drops, at this time, the metal shift lever 14 touches the second pressure sensor 18, the second pressure sensor 18 sends a signal to control the intelligent electromagnetic valve 8 to close and stop exhausting, and at the same time, the alarm 5 is controlled to give an alarm to remind a worker to perform corresponding maintenance treatment.

The lower extreme of lid 6 and the junction fixedly connected with of exhaust box 3 sealed the pad 15, lid 6 passes through

screw

7 and 3 fixed connection of exhaust box, and in this structural design, lid 6 is designed to carry out fixed connection through screw 7 and exhaust box 3, and lid 6 is located junction fixed connection's sealed pad 15 and then has played the effect of keeping whole gas tightness simultaneously, and this structural design makes that exhaust box 3 is whole when breaking down, and the maintenance of being convenient for is overhauld and is changed.

The working principle is as follows: when a short circuit condition between small wire turns occurs inside the transformer, the insulating oil is heated and decomposed into gas, the gas rises into the exhaust box 3, the oil level inside the exhaust box 3 gradually falls along with the gradual increase of the gas, at the moment, the floating block 12 gradually falls along with the oil level inside the limiting cylinder 10, when the gas falls to a certain height, the metal deflector rod 14 fixedly connected with the two sides of the floating block 12 firstly touches the first pressure sensor 17 fixedly connected with the bottom end of the first fixing rod 11, at the moment, the first pressure sensor 17 emits a signal to control the intelligent electromagnetic valve 8 to be opened for exhausting, the oil level gradually rises along with the gas exhausted, when the gas pressure is normal, the pressure sensor 9 emits a signal to control the intelligent electromagnetic valve 8 to be closed to complete the exhausting, when a liquid leakage condition occurs inside the transformer, the oil level falls, the metal deflector rod 14 fixedly connected with the two sides of the floating block 12 firstly touches the first pressure sensor 17, and control intelligent solenoid valve 8 to open the exhaust, but there is the weeping condition in the transformer this moment, and exhaust box 3 can't get rid of gas on the contrary and the oil level can descend sooner, and floating block 12 continues to descend this moment until touching second pressure sensor 18, and second pressure sensor 18 control siren 5 and report to the police this moment to control and close intelligent solenoid valve 8, slow down the weeping.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a transformer intelligence exhaust apparatus, includes exhaust box (3) and lid (6), its characterized in that: the utility model discloses a gas exhaust box, including exhaust box (3), one side lower extreme fixed connection pipeline (2) of exhaust box (3), just pipeline (2) link up the box wall of exhaust box (3), the upper end of exhaust box (3) is equipped with lid (6), the upper end fixedly connected with blast pipe (16) of lid (6), the spacing section of thick bamboo (10) of lower extreme intermediate position fixedly connected with of lid (6), one side fixedly connected with siren (5) of pipeline (2) are kept away from in exhaust box (3).

2. The intelligent exhaust device for the transformer according to claim 1, wherein: and one end of the pipeline (2) far away from the exhaust box (3) is fixedly connected with a flange plate (1).

3. The intelligent exhaust device for the transformer according to claim 1, wherein: and a liquid level observation port (4) is fixedly connected to the box wall on the front side of the exhaust box (3).

4. The intelligent exhaust device for the transformer according to claim 1, wherein: the limiting cylinder (10) is internally provided with a floating block (12) in a sliding way.

5. The intelligent exhaust device for the transformer according to claim 4, wherein: and both sides of the floating block (12) are fixedly connected with metal deflector rods (14).

6. The intelligent exhaust device for the transformer according to claim 1, wherein: the lower end of the box cover (6) is fixedly connected with a first fixing rod (11) and a second fixing rod (13), and the lower end of the box cover (6) is fixedly connected with a pressure sensor (9).

7. The intelligent exhaust device for the transformer according to claim 6, wherein: the lower end of the first fixing rod (11) is fixedly connected with a first pressure sensor (17), the bottom end of the second fixing rod (13) is fixedly connected with a second pressure sensor (18), and the second pressure sensor (18) is located below the first pressure sensor (17).

8. The intelligent exhaust device for the transformer according to claim 1, wherein: the lower extreme of lid (6) and the junction fixedly connected with sealed pad (15) of exhaust box (3), lid (6) are through screw (7) and exhaust box (3) fixed connection.

9. The intelligent exhaust device for the transformer according to claim 1, wherein: and an intelligent electromagnetic valve (8) is fixedly connected to the pipe body of the exhaust pipe (16).