CN217008843U

CN217008843U - Protector of transformer

Info

Publication number: CN217008843U
Application number: CN202123187205.XU
Authority: CN
Inventors: 周毅; 谢鹏; 付元杰; 张�浩
Original assignee: Shenyang Dongdian Power Equipment Development Co ltd
Current assignee: Shenyang Dongdian Power Equipment Development Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-07-19
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a protector of a transformer, which comprises an oil liquid outlet pipe, wherein the oil liquid outlet pipe is connected with the transformer, the bottom of the oil liquid outlet pipe is fixedly connected with a cooling pipe through a connecting pipe, the bottom of the cooling pipe is fixedly connected with a bottom pipe, the outer side wall of the cooling pipe is fixedly provided with a cooling device, the bottom pipe is fixedly connected with an oil liquid inlet pipe through an oil purifying device, and the top of the oil liquid outlet pipe is fixedly provided with a pressure regulating device. Through the cooperation of cooling tube and cooling device, can cool off fluid, then with fluid reentry transformer after the purification of oil purifier, the life of extension transformer protects the transformer.

Description

Protector of transformer

Technical Field

The utility model relates to the technical field of transformer protection, in particular to a protector of a transformer.

Background

With the continuous development of science and technology and the continuous improvement of the living standard of people, electric facilities are effectively popularized and widely applied around people, and the demand on an electric power system is higher and higher. In general, a power system needs to be provided with a plurality of protection devices to protect a transformer so as to ensure the normal operation of each part. The existing protector has a single protection function on the transformer in the use process, and can not meet the requirement of comprehensively protecting the transformer.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a transformer protector, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a protector of transformer, includes the fluid contact tube, the fluid contact tube is connected with the transformer, the bottom of fluid contact tube is through connecting pipe fixedly connected with cooling tube, the bottom fixedly connected with bottom pipe of cooling tube, the lateral wall fixed mounting of cooling tube has cooling device, the bottom pipe is through oil purifier and fluid induction pipe fixed connection, the top fixed mounting of fluid contact tube has pressure regulating device.

Preferably, pressure regulating device is including installing the casing, installation casing integrated into one piece is in the top lateral wall of fluid contact tube, the top fixed mounting of installation casing has the motor, the output fixedly connected with of motor rotates the screw rod, it rotates to connect in the installation casing to rotate the screw rod, sliding connection has the lifter plate in the installation casing, it is spiro union mutually with the lifter plate to rotate the screw rod, be equipped with spacing subassembly between the lateral wall of lifter plate and the installation casing, the bottom fixed mounting of lifter plate has the buffer block that runs through to the junction tube in, the spread groove that is linked together with the connecting pipe is seted up to the lateral wall of buffer block, the lateral wall fixed mounting of fluid contact tube has pressure detection sensor.

Preferably, the limiting assembly comprises a limiting block and a limiting groove, the limiting block is fixedly arranged on the left side wall and the right side wall of the lifting plate, the limiting block is connected in the limiting groove in a sliding mode, and the limiting groove is formed in the inner cavity side wall of the mounting shell.

Preferably, cooling device includes the bottom plate of fixed mounting at bottom pipe lateral wall, the fixed surface of bottom plate installs the heat dissipation casing, the lateral wall fixed mounting of heat dissipation casing has radiator fan, the lateral wall fixed mounting of cooling tube has the heat transfer board, the lateral wall of heat transfer board passes through heat conduction piece fixedly connected with heating panel, the even fixed mounting of lateral wall of heating panel has radiating fin.

Preferably, the oil purification device includes the oil purification device main part, the inner chamber packing of oil purification device main part has the purification layer, the upper and lower lateral wall of oil purification device main part fixed mounting respectively has upper portion pipe and lower part pipe, the inner chamber of oil purification device main part and lower part pipe fixed mounting respectively has first filter screen and second filter screen.

Preferably, the connection parts of the oil outlet pipe and the oil inlet pipe and the transformer are respectively and fixedly provided with a switch valve.

Compared with the prior art, the utility model has the beneficial effects that: a protector of a transformer can lead oil in the transformer out through arranging an oil lead-out pipe, and then can cool the oil through the matching of a cooling pipe and a cooling device, then the oil is purified by the oil purifying device and then is input into the transformer again, the service life of the transformer is prolonged, the transformer is protected, the pressure adjusting device is arranged at the top of the oil liquid outlet pipe, the pressure in the oil liquid outlet pipe can be detected in the using process, when the pressure is overlarge, the pressure in the oil liquid guide pipe can be adjusted by moving the lifting plate upwards in the pressure adjusting device, thereby assisting in releasing the redundant pressure in the transformer and avoiding the transformer from being damaged destructively, and meanwhile, the oil purifying device is arranged in the device, when the oil passes through the oil purifier, the oil is purified by the oil purifier, so that the service life of the transformer oil is prolonged.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a schematic structural diagram of the oil purifier of the present invention.

In the figure: 1. an oil liquid outlet pipe, 2, a transformer, 3, a connecting pipe, 4, a cooling pipe, 5, a bottom pipe, 6, a cooling device, 61, a bottom plate, 62, a heat dissipation shell, 63, a heat dissipation fan, 64, a heat exchange plate, 65, a heat conduction block, 66, a heat dissipation plate, 67, a heat dissipation fin, 7, an oil purification device, 71, an oil purification device main body, 72, a purification layer, 73, an upper pipe, 74, a lower pipe, 75, a first filter screen, 76, a second filter screen, 8, an oil liquid inlet pipe, 9, a pressure adjusting device, 91, an installation shell, 92, a motor, 93, a rotating screw, 94, a lifting plate, 95, a buffer block, 96, a connecting groove, 97, a pressure detection sensor, 10, a limiting component, 101, a limiting block, 102, a limiting groove, 11 and a switch valve.

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.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a protector of a transformer comprises an oil liquid leading-out pipe 1, the oil liquid leading-out pipe 1 is connected with a transformer 2, the bottom of the oil liquid leading-out pipe 1 is fixedly connected with a cooling pipe 4 through a connecting pipe 3, the bottom of the cooling pipe 4 is fixedly connected with a bottom pipe 5, a cooling device 6 is fixedly installed on the outer side wall of the cooling pipe 4, oil liquid in the transformer 2 is guided into the cooling pipe 4 through the connection of the oil liquid leading-out pipe 1 and the transformer 2, the oil liquid passing through the cooling pipe 4 is cooled through the cooling device 6, the cooling device 6 comprises a bottom plate 61 fixedly installed on the side wall of the bottom pipe 5, a heat dissipation shell 62 is fixedly installed on the surface of the bottom plate 61, a heat dissipation fan 63 is fixedly installed on the side wall of the heat dissipation shell 62, a heat exchange plate 64 is fixedly installed on the outer side wall of the cooling pipe 4, a heat dissipation plate 66 is fixedly connected with the side wall of the heat exchange plate 64 through a heat conduction block 65, and heat dissipation fins 67 are uniformly and fixedly installed on the side wall of the heat dissipation plate 66, external power source is connected to radiator fan 63 electricity, heat transfer plate 64, heat conduction block 65, heat dissipation plate 66 and radiating fin 67 all adopt the copper product preparation of easy heat conduction, external power source is connected to radiator fan 63 electricity, dispel the heat to radiating fin 67 through radiator fan 63, make heat transfer plate 64 accomplish to carry out cooling to the fluid of flowing through in the cooling tube 4, the lateral wall of heat dissipation casing 62 is equipped with the graphite alkene coating, through setting up graphite alkene coating reinforcing heat dissipation casing 62's heat dispersion, and increase heat dissipation casing 62's anticorrosive nature, guarantee that this device can use under the abominable condition of environment.

The bottom pipe 5 is fixedly connected with the oil inlet pipe 8 through the oil purifier 7, the oil purifier 7 comprises an oil purifier main body 71, a purifying layer 72 is filled in an inner cavity of the oil purifier main body 71, an upper pipe 73 and a lower pipe 74 are respectively and fixedly installed on the upper side wall and the lower side wall of the oil purifier main body 71, a first filter screen 75 and a second filter screen 76 are respectively and fixedly installed in inner cavities of the oil purifier main body 71 and the lower pipe 74, the oil enters the oil purifier 7 after being cooled, the oil is purified through the oil purifying layer 72 in the oil purifier 7, the service life of the transformer oil is prolonged, the purifying layer 72 is formed by mixing activated carbon particles and a desiccant, moisture and impurities in the transformer oil are filtered, the service life of the transformer oil is prolonged, the first filter screen 75 and the second filter screen 76 are arranged to prevent materials in the purifying layer 72 from entering the oil inlet pipe 8, meanwhile, the transformer oil can be filtered again, and the filtering effect is guaranteed.

The top of the oil liquid eduction tube 1 is fixedly provided with a pressure adjusting device 9, the pressure adjusting device 9 comprises an installation shell 91, the installation shell 91 is integrally formed on the top side wall of the oil liquid eduction tube 1, the top of the installation shell 91 is fixedly provided with a motor 92, the output end of the motor 92 is fixedly connected with a rotating screw 93, the rotating screw 93 is rotatably connected in the installation shell 91, a lifting plate 94 is slidably connected in the installation shell 91, the rotating screw 93 is in threaded connection with the lifting plate 94, a limiting component 10 is assembled between the side wall of the lifting plate 94 and the installation shell 91, the limiting component 10 comprises a limiting block 101 and a limiting groove 102, the limiting block 101 is fixedly arranged on the left side wall and the right side wall of the lifting plate 94, the limiting block 101 is slidably connected in the limiting groove 102, the limiting groove 102 is arranged on the inner cavity side wall of the installation shell 91, the bottom of the lifting plate 94 is fixedly provided with a buffer block 95 penetrating into the connecting tube 3, the side wall of the buffer block 95 is provided with a connecting groove 96 communicated with the connecting pipe 3, the side wall of the oil liquid leading-out pipe 1 is fixedly provided with a pressure detection sensor 97, the motor 92 is electrically connected with an external controller and an external power supply, the rotation direction of the output end of the motor 92 is controlled by an external controller, the motor 92 drives the rotation screw 93 to rotate and is matched with the limiting component 10, so that the lifting plate 94 can lift up and down in the inner cavity of the installation shell 91, the pressure detection sensor 97 is electrically connected with the external controller, the pressure inside the oil liquid delivery pipe 1 is detected by the pressure detection sensor 97, when the pressure is too high, an electric signal is sent to the external controller, so that the external controller controls the lifting plate 94 to lift, the buffer block 95 is moved out of the inner cavity of the oil liquid delivery pipe 1, thereby relieving the pressure in the oil liquid leading-out pipe 1, assisting in releasing the redundant pressure in the transformer and avoiding the transformer from being damaged destructively.

The connection parts of the oil liquid leading-out pipe 1 and the oil liquid leading-in pipe 8 and the transformer 2 are respectively and fixedly provided with a switch valve 11, and the on-off between the oil liquid leading-out pipe 1 and the transformer 2 and the on-off between the oil liquid leading-in pipe 8 and the transformer 2 are completed through the switch valves 11.

The working principle is as follows: in the use process, with the assembly of being connected between this device and the transformer 2, then open ooff valve 11, hot oil in the transformer 2 is introduced into cooling tube 4 through fluid eduction tube 1, cool down the cooling to fluid through cooling device 6, fluid after the cooling carries out purification treatment through oil purifier 7, the life of transformer oil is prolonged, then fluid enters into transformer 2 again through fluid eduction tube 8, detect the pressure of fluid eduction tube 1 inside through pressure detection sensor 97, send the signal of telecommunication to the external control ware when pressure is too big, make external control ware control lifter plate 94 rise, make buffer block 95 shift out the inner chamber of fluid eduction tube 1, thereby alleviate the pressure in the fluid eduction tube 1, and the unnecessary pressure in the supplementary release transformer, avoid the transformer to receive destructive damage.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a protector of transformer, includes fluid eduction tube (1), its characterized in that: fluid contact tube (1) is connected with transformer (2), the bottom of fluid contact tube (1) is through connecting pipe (3) fixedly connected with cooling tube (4), the bottom fixedly connected with bottom pipe (5) of cooling tube (4), the lateral wall fixed mounting of cooling tube (4) has cooling device (6), bottom pipe (5) are through oil purification device (7) and fluid induction pipe (8) fixed connection, the top fixed mounting of fluid contact tube (1) has pressure regulating device (9).

2. A protector for a transformer according to claim 1, wherein: the pressure adjusting device (9) comprises an installation shell (91), the installation shell (91) is integrally formed on the top side wall of the oil liquid delivery pipe (1), a motor (92) is fixedly installed at the top of the installation shell (91), a rotary screw (93) is fixedly connected with the output end of the motor (92), the rotary screw (93) is rotatably connected into the installation shell (91), a lifting plate (94) is slidably connected into the installation shell (91), the rotary screw (93) is in threaded connection with the lifting plate (94), a limiting assembly (10) is assembled between the side wall of the lifting plate (94) and the installation shell (91), a buffer block (95) penetrating into the connecting pipe (3) is fixedly installed at the bottom of the lifting plate (94), a connecting groove (96) communicated with the connecting pipe (3) is formed in the side wall of the buffer block (95), and a pressure detection sensor (97) is fixedly mounted on the side wall of the oil liquid delivery pipe (1).

3. A protector for a transformer according to claim 2, characterized in that: spacing subassembly (10) include stopper (101) and spacing groove (102), stopper (101) fixed mounting is at the lateral wall about lifter plate (94), stopper (101) sliding connection is in spacing groove (102), the inner chamber lateral wall at installation casing (91) is seted up in spacing groove (102).

4. A protector for a transformer according to claim 1, wherein: cooling device (6) include bottom plate (61) of fixed mounting at bottom pipe (5) lateral wall, the fixed surface of bottom plate (61) installs heat dissipation casing (62), the lateral wall fixed mounting of heat dissipation casing (62) has radiator fan (63), the lateral wall fixed mounting of cooling tube (4) has heat transfer board (64), the lateral wall of heat transfer board (64) passes through heat conduction piece (65) fixedly connected with heating panel (66), the even fixed mounting of lateral wall of heating panel (66) has radiating fin (67).

5. A protector for a transformer according to claim 1, wherein: oil purification device (7) include oil purification device main part (71), the inner chamber packing of oil purification device main part (71) has purification layer (72), the upper and lower lateral wall of oil purification device main part (71) is fixed mounting respectively has upper portion pipe (73) and lower part pipe (74), the inner chamber of oil purification device main part (71) and lower part pipe (74) is fixed mounting respectively has first filter screen (75) and second filter screen (76).

6. A protector for a transformer according to claim 1, wherein: and switch valves (11) are respectively and fixedly installed at the joints of the oil liquid leading-out pipe (1) and the oil liquid leading-in pipe (8) and the transformer (2).