CN218548121U

CN218548121U - Oil temperature monitoring device of oil-immersed transformer capable of preventing creeping breakdown

Info

Publication number: CN218548121U
Application number: CN202221842258.2U
Authority: CN
Inventors: 刘兴慧; 杨亚运
Original assignee: Jiangsu Hengyi Transformer Co ltd
Current assignee: Jiangsu Hengyi Transformer Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2023-02-28
Anticipated expiration: 2032-07-18

Abstract

The utility model discloses an oil-immersed transformer oil temperature monitoring devices of anticreep breakdown, including oil-immersed transformer shell, the top cap is installed through the bolt in oil-immersed transformer shell's upper end, install oil-immersed transformer in the oil-immersed transformer shell, damping spring is installed with oil-immersed transformer shell inner wall in oil-immersed transformer's bottom both sides, the inside of oil-immersed transformer shell is arranged in to top one side of top cap is run through oil temperature monitoring devices. The utility model discloses an insulating coating of oil-immersed transformer shell outside spraying can promote the security that the staff maintained, the first sealing washer that sets up through top cap and oil-immersed transformer shell junction can prevent that inside cooling oil from appearing leaking with the oil absorption layer, can carry out real-time detection to the temperature and the cooling oil level of inside cooling oil through oil temperature monitoring devices, and too high or the oil level is crossed low and is reported to the police with signal sensor transmission signal for staff's removal end when the oil temperature.

Description

Oil temperature monitoring device of oil-immersed transformer capable of preventing creeping breakdown

Technical Field

The utility model relates to an oil-immersed transformer technical field specifically is an oil-immersed transformer oil temperature monitoring devices of anticreep breakdown.

Background

The oil-immersed transformer is a very critical and indispensable device in a power system, the reliable operation of the oil-immersed transformer is an important guarantee for the reliable operation of a power grid, various defects can be inevitably generated in the long-term operation process, if the defects can not be timely discovered and corrected, serious faults and damage of the device can be easily caused along with the further development of the problems, the defects can not be completely discovered through manual inspection due to the current device and the installation condition thereof, and due to the reasons of untimely manual inspection, large inspection workload, large technical difficulty in problem discovery and the like, a considerable number of oil-immersed transformer products can be caused to be final large faults due to the initial small problems in each year in the power system, and unexpected power failure faults, device replacement and maintenance are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil-immersed transformer oil temperature monitoring devices of anticreep breakdown, with present equipment and the installation situation who provides in solving above-mentioned background art, these defects can not be found through artificial patrol completely, and because artifical patrol untimely, patrol work load is big, the technical degree of difficulty of discovery problem reason such as big, lead to every year electric power system all can have a considerable amount of oil-immersed transformer product to make final big trouble because of the little problem that begins, cause unexpected power failure and equipment change, overhaul the problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oil-immersed transformer oil temperature monitoring devices of anticreep breakdown, includes oil-immersed transformer shell, the top cap is installed through the bolt in oil-immersed transformer shell's upper end, install oil-immersed transformer in the oil-immersed transformer shell, oil-immersed transformer runs through the top cap and is connected with the wiring feeler, damping spring is installed with oil-immersed transformer shell inner wall in oil-immersed transformer's bottom both sides, it has oil temperature monitoring devices to run through in the inside of oil-immersed transformer shell to run through on one side of the top of top cap.

Preferably, an insulating coating is sprayed on the oil-immersed transformer shell.

Preferably, the top cap is the top of convex installation to transformer housing, the top cap is arranged in oil-immersed transformer housing inner and outer lane and is provided with first sealing washer, the oil absorption layer is installed to the bottom that the top cap was arranged in oil-immersed transformer housing.

Preferably, the oil temperature monitoring devices includes the monitoring devices shell body of threaded connection on one side of the top cap top, the monitoring devices shell body is provided with the second sealing washer with top cap threaded connection department, install pressure relief device on the spacing groove that the top of monitoring devices shell body was seted up through monitoring devices shell body upper end, signal sensor is installed on pressure relief device's top, the hollow tube is installed to the pressure relief device other end, the hollow tube runs through the top cap and arranges the top in oil-immersed transformer shell and installs first temperature sensor, oil-immersed transformer shell sliding connection has first slider in is arranged in to the hollow tube, second temperature sensor is installed to the lower extreme of first slider, first slider runs through the top cap through the gag lever post and arranges the second slider in the monitoring devices shell in.

Preferably, the signal sensor is electrically connected with the first temperature sensor and the second temperature sensor.

Preferably, the pressure release device comprises a cylinder cover arranged at the top end of the outer shell of the monitoring device, a connecting rod is arranged on the inner side of the cylinder cover and penetrates through a limiting groove formed in the upper end of the outer shell of the monitoring device to be connected with a clamping block, and an air outlet is formed in the upper end of the inner side of the cylinder cover.

Compared with the prior art, the beneficial effects of the utility model are that: (1) This oil-immersed transformer oil temperature monitoring devices of anticreep electric breakdown, insulating coating through the spraying of oil-immersed transformer shell outside can promote the security that the staff maintained, the condition that the leakage can effectually be prevented to inside cooling oil appearance through the first sealing washer that top cap and oil-immersed transformer shell junction set up, can carry out real-time detection to the temperature and the cooling oil level of inside cooling oil through oil temperature monitoring devices, report to the police when the oil temperature is too high or the oil level is too high or the low removal end of giving the staff with signal sensor transmission signal, make the staff overhaul by the very first time, prevent that oil-immersed transformer from damaging.

(2) This oil-immersed transformer oil temperature monitoring devices of anticreep electric breakdown, the damping spring of bottom both sides through oil-immersed transformer and oil-immersed transformer shell inner wall installation can prevent the damage of vibration to oil-immersed transformer production that oil-immersed transformer produced when removing.

Drawings

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

FIG. 2 is a schematic view of the cross-sectional structure of the monitoring device of the present invention;

fig. 3 is the utility model discloses oil-immersed transformer shell structure schematic diagram.

In the figure: 1. oil-immersed transformer shell, 2, top cap, 3, insulating coating, 4, first sealing washer, 5, oil absorption layer, 6, oil-immersed transformer, 7, wiring feeler, 8, damping spring, 9, monitoring devices shell body, 10, second sealing washer, 11, signal sensor, 12, hollow tube, 13, first temperature sensor, 14, first slider, 15, second temperature sensor, 16, gag lever post, 17, second slider, 18, cylinder lid, 19, connecting rod, 20, fixture block, 21, venthole.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an oil-immersed transformer oil temperature monitoring devices of anticreep breakdown, is shown according to fig. 1 and fig. 3, including oil-immersed transformer shell 1, top cap 2 is installed through the bolt in the upper end of oil-immersed transformer shell 1, and the spraying has insulating coating 3 on oil-immersed transformer shell 1 and the top cap 2.

Specifically, top cap 2 is to the top of convex installation to transformer housing 1, and top cap 2 is arranged in oil-immersed transformer housing 1 inner and outer lane and is provided with first sealing washer 4, and top cap 2 is arranged in the bottom of oil-immersed transformer housing 1 and is installed oil absorption layer 5.

In a further embodiment, cooling oil is injected into the oil-immersed transformer housing 1.

During the use, through insulating coating 3 of spraying on oil-immersed transformer shell 1 and the top cap 2, can effectually prevent that the staff should leak electricity and lead to the danger of electrocuteeing when maintaining, through first sealing washer 4 that top cap 2 and the setting of oil-immersed transformer shell 1 junction, can make the inseparabler inside cooling oil of connecting between the two can not appear the condition of leaking, can adsorb the cooling oil that spills over soon through oil absorption layer 5, delay and spill over the speed.

According to the scheme shown in fig. 1, an oil-immersed transformer 6 is installed in an oil-immersed transformer shell 1, the oil-immersed transformer 6 penetrates through a top cover 2 and is connected with a wiring antenna 7, and damping springs 8 are installed on two sides of the bottom end of the oil-immersed transformer 6 and the inner wall of the oil-immersed transformer shell 1.

During the use, the vibration power that produces when oil-immersed transformer 6 carries will be unloaded by damping spring 8, leads to being in oil-immersed transformer 6 of oil-immersed transformer shell 1 and produces the damage when preventing to collide.

According to fig. 1 and fig. 2, an oil temperature monitoring device penetrates through one side of the top end of the top cover 2 and is arranged inside the oil-immersed transformer shell 1, the oil temperature monitoring device comprises a monitoring device shell 9 connected to one side of the top end of the top cover 2 through threads, a second sealing ring 10 is arranged at the threaded connection position of the monitoring device shell 9 and the top cover 2, a pressure release device is installed on a limiting groove formed in the top end of the monitoring device shell 9 through the upper end of the monitoring device shell 9, a signal sensor 11 is installed on the top end of the pressure release device, a hollow tube 12 is installed at the other end of the pressure release device, the hollow tube 12 penetrates through the top cover 2 and is arranged at the top end in the oil-immersed transformer shell 1 and is provided with a first floating block 14, a second temperature sensor 15 is installed at the lower end of the first floating block 14, the first floating block 14 penetrates through the top cover 2 through a limiting rod 16 and is arranged in the monitoring device shell 9 and is provided with a second floating block 17.

Specifically, the signal sensor 11 is connected with the second temperature sensor 15 through an electrical property and the first temperature sensor 13, the pressure release device comprises a cylinder cover 18 arranged at the top end of the outer shell 9 of the monitoring device, the cylinder cover 18 is provided with a connecting rod 19 through the inner side, the connecting rod 19 penetrates through a limiting groove formed in the upper end of the outer shell 9 of the monitoring device, a clamping block 20 is connected with the limiting groove, and an air outlet 21 is formed in the upper end of the inner side of the cylinder cover 18.

In a further embodiment, a viewing glass is arranged on the outer casing 9 of the monitoring device.

When the oil-immersed transformer cooling oil detection device is used, the cooling oil in the oil-immersed transformer shell 1 is subjected to real-time temperature detection through the first temperature sensor 13, the detection result is transmitted to the signal sensor 11 through the electrical property, then the signal sensor 11 transmits the detection result to the moving end of a worker, so that the worker can perform real-time detection on the temperature of the cooling oil, the problem can be solved first time, the temperature detection result can be more accurate through the second temperature sensor 15 arranged at the lower end of the first floating block 14, the floating height of the first floating block 14 on the upper layer of the cooling oil drives the second floating block 17 to slide through the limiting rod 16, the worker can observe the internal cooling oil level condition on the observation glass arranged on the monitoring device shell 9, so as to judge whether the cooling oil needs to be added or part of the cooling oil needs to be discharged, the cylinder cover 18 is jacked up when the internal pressure is too high, the cylinder cover 18 cannot be jacked up through the limiting groove arranged at the upper end of the monitoring device shell 9, then the upper end of the inner side of the cylinder cover 18 is provided with the air outlet 21 for discharging so as to reduce the pressure, and the content which is not described in detail in the prior art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

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 invention.

Claims

1. The utility model provides an oil-immersed transformer oil temperature monitoring devices of anticreep breakdown, includes oil-immersed transformer shell (1), its characterized in that: top cap (2) are installed through the bolt in the upper end of oil-immersed transformer shell (1), install oil-immersed transformer (6) in oil-immersed transformer shell (1), oil-immersed transformer (6) run through top cap (2) and are connected with wiring feeler (7), damping spring (8) are installed with oil-immersed transformer shell (1) inner wall to the bottom both sides of oil-immersed transformer (6), it has oil temperature monitoring devices to run through the inside of arranging oil-immersed transformer shell (1) in top one side of top cap (2).

2. The oil temperature monitoring device for the oil-immersed transformer capable of preventing the electrical breakdown according to claim 1, wherein: and insulating coatings (3) are sprayed on the oil-immersed transformer shell (1) and the top cover (2).

3. The oil temperature monitoring device for the oil-immersed transformer capable of preventing the electrical breakdown according to claim 1, wherein: the oil-immersed transformer is characterized in that the top cover (2) is installed on the top end of the transformer shell (1) in a convex mode, the top cover (2) is arranged on the inner ring and the outer ring of the oil-immersed transformer shell (1) in the oil-immersed transformer shell (1), and the oil absorption layer (5) is installed at the bottom end of the top cover (2) in the oil-immersed transformer shell (1).

4. The oil temperature monitoring device for the oil-immersed transformer capable of preventing the electrical breakdown according to claim 1, wherein: oil temperature monitoring devices includes monitoring devices shell body (9) of threaded connection top cap (2) top one side, monitoring devices shell body (9) are provided with second sealing washer (10) with top cap (2) threaded connection department, install pressure release on the spacing groove that monitoring devices shell body (9) upper end was seted up is passed through on the top of monitoring devices shell body (9) top, signal sensor (11) are installed on pressure release's top, hollow tube (12) are installed to the pressure release other end, hollow tube (12) run through top cap (2) and arrange in oily formula transformer shell (1) top and install first temperature sensor (13), hollow tube (12) are arranged in oily formula transformer shell (1) sliding connection and are had first floating block (14), second temperature sensor (15) are installed to the lower extreme of first floating block (14), first floating block (14) run through top cap (2) through gag lever (16) and arrange in monitoring devices shell body (9) and install second floating block (17).

5. The oil temperature monitoring device for the oil-immersed transformer capable of preventing the leakage breakdown according to claim 4, wherein: the signal sensor (11) is electrically connected with the first temperature sensor (13) and the second temperature sensor (15).

6. The oil temperature monitoring device of the oil-immersed transformer capable of preventing electric breakdown, according to claim 4, is characterized in that: the pressure release device comprises a cylinder cover (18) arranged at the top end of an outer shell (9) of the monitoring device, a connecting rod (19) is arranged on the inner side of the cylinder cover (18) and penetrates through a limiting groove formed in the upper end of the outer shell (9) of the monitoring device to be connected with a clamping block (20), and an air outlet (21) is formed in the upper end of the inner side of the cylinder cover (18).