CN215118524U

CN215118524U - Oil type transformer

Info

Publication number: CN215118524U
Application number: CN202120888231.6U
Authority: CN
Inventors: 张思群; 林焱; 程玉其
Original assignee: Sichuan Tong Yong Power Electric Co ltd
Current assignee: Sichuan Tong Yong Power Electric Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-12-10
Anticipated expiration: 2031-04-27

Abstract

The utility model relates to a transformer technical field provides an oil type transformer, including transformer body, base and protection casing, the protection casing is the open-ended box structure for the bottom, and the protection casing is installed on the base and forms a relative inclosed installation cavity with the base, and this body of transformer is installed in the installation cavity, is equipped with in the installation cavity to be used for carrying out radiating heat abstractor to the installation cavity. The utility model has the advantages that the installation cavity is relatively sealed, thereby playing the role of protecting the transformer body and avoiding the transformer from being influenced by the external environment in the actual operation process; meanwhile, heat generated during the operation of the transformer can be timely discharged by additionally arranging the heat dissipation device, and the influence of overhigh temperature in the installation cavity on the normal operation of the transformer is avoided.

Description

Oil type transformer

Technical Field

The utility model relates to a transformer technical field particularly, relates to an oil type transformer.

Background

The existing oil type transformer is widely applied to various industries based on the good service performance. A conventional oil-type transformer usually includes an oil tank, an oil tank cap, a heat sink disposed on a sidewall of the oil tank, a connection terminal disposed on a top of the oil tank cap, and an electrical component disposed inside the oil tank. The outlet cable of the existing oil type transformer is often directly exposed on the upper part of the oil tank cover, and is very easily influenced by the external environment when the oil type transformer is installed outdoors, such as the interference of foreign objects, impurity pollution, rainwater and dust, and the like.

For this reason, patent document that application number is CN2019203559701 discloses an oil-immersed transformer protection casing and oil-immersed transformer, oil-immersed transformer protection casing is including the cover body, the cover body is the box cube that forms by roof, long curb plate, short curb plate and bottom plate equipment, it has uncovered to open on the cover body bottom plate, the bottom plate in uncovered four angles have formed 4 protruding pieces of rectangle, be provided with rectangular form screw on the protruding piece of rectangle, it has 2 cable through holes to open on the bottom plate. Although the protective cover is arranged to protect the structures such as the outlet terminal above the oil tank cover, the structures such as the oil tank and the radiating fins of the transformer are still exposed to the external environment, and the problem that the transformer is affected by the external environment in the operation process is also solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil transformer, it can realize protecting all structures of transformer, the security performance when improving the transformer operation.

The embodiment of the utility model discloses a realize through following technical scheme:

the utility model provides an oil type transformer, includes transformer body, base and protection casing, the protection casing is open-ended box structure for the bottom, the protection casing install in on the base and with the base forms a relative inclosed installation cavity, transformer body install in the installation cavity, it is right to be equipped with in the installation cavity carry out radiating heat abstractor.

Optionally, the base top is equipped with the cushion socket, the cushion socket top extends to inside the protection casing, the dashpot has been seted up at the cushion socket top, be equipped with the buffer board in the dashpot, the buffer board with the lateral wall sliding connection of dashpot, the buffer board bottom with be equipped with buffer spring between the bottom surface in the dashpot.

Furthermore, the lateral wall of buffer seat is equipped with the sand grip, the inner wall of protection casing be equipped with the recess of sand grip adaptation, the recess runs through along vertical direction the bottom of protection casing, the top surface of protection casing is equipped with the lug.

Optionally, the transformer body includes an oil tank and a heat sink disposed on a side wall of the oil tank, a clamping plate corresponding to the heat sink is disposed on an inner wall of the protective cover, the clamping plate is provided with a clamping groove adapted to the heat sink, and the clamping groove penetrates through the clamping plate along a vertical direction.

Optionally, the heat dissipation device includes a heat dissipation fan disposed at the inner top of the shield, and a ventilation hole communicated with the installation cavity is formed below the side wall of the shield.

Further, the ventilation hole is obliquely arranged, and the higher end of the ventilation hole is communicated with the installation cavity.

Furthermore, be equipped with temperature sensor and controller in the installation cavity, radiator fan with temperature sensor all with controller communication connection.

Optionally, the side wall of the protective cover is provided with a transparent observation window.

The utility model discloses technical scheme has following advantage and beneficial effect at least:

the utility model has reasonable design, and plays a role of protecting the transformer body by arranging a relatively closed installation cavity, thereby avoiding the influence of the external environment on the transformer in the actual operation process; meanwhile, heat generated during the operation of the transformer can be timely discharged by additionally arranging the heat dissipation device, and the influence of overhigh temperature in the installation cavity on the normal operation of the transformer is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an oil type transformer according to an embodiment of the present invention;

fig. 2 is a top view of a clamping plate according to an embodiment of the present invention.

Icon: 1-transformer body, 101-oil tank, 102-radiating fin, 1021-radiating single body, 2-base, 3-protective cover, 4-installation cavity, 5-buffer seat, 6-buffer groove, 7-buffer plate, 8-buffer spring, 9-raised strip, 10-clamping plate, 11-radiating fan, 12-vent hole, 13-temperature sensor, 14-controller and 15-observation window.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of this application is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific orientation, be constructed in a specific orientation and be operated is not to be construed as limiting the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted 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 in specific cases to those skilled in the art.

Examples

Referring to fig. 1, the present embodiment provides an oil-type transformer, which includes a transformer body 1, a base 2, and a protective cover 3, where the protective cover 3 is a box structure with an open bottom, the protective cover 3 is installed on the base 2 and forms a relatively sealed installation cavity 4 with the base 2, the transformer body 1 is installed in the installation cavity 4, and a heat dissipation device for dissipating heat from the installation cavity 4 is disposed in the installation cavity 4.

Through the setting, after protection casing 3 installed on base 2, utilize base 2 to seal protection casing 3 to make 3 inside inclosed installation cavity 4 of formation of protection casing, can be isolated mutually with external environment after transformer body 1 installs in installation cavity 4, thereby play the effect of protection transformer body 1, avoid the transformer to receive external environment's influence at the actual motion in-process. Meanwhile, heat generated during the operation of the transformer can be timely discharged by additionally arranging the heat dissipation device, and the influence of overhigh temperature in the installation cavity 4 on the normal operation of the transformer is avoided. In addition, the protective cover 3 and the base 2 which adopt the structure form an installation cavity 4 for protecting the transformer, and the installation is simple, convenient and fast in the actual installation process.

In this embodiment, it is considered that the transformer often generates vibration during operation, and such vibration often brings great noise while affecting normal operation of the transformer, thereby affecting the surrounding environment. For this reason, 2 tops of base in this embodiment are equipped with buffer seat 5, and inside 5 tops of buffer seat extended to protection casing 3, buffer slot 6 had been seted up at 5 tops of buffer seat, were equipped with buffer board 7 in the buffer slot 6, and buffer board 7 and buffer slot 6's lateral wall sliding connection are equipped with buffer spring 8 between 7 bottoms of buffer board and the interior bottom surface of buffer slot 6. Preferably, the buffer spring 8 of the present embodiment is provided in plurality, and the plurality of buffer springs 8 are distributed between the bottom surface of the buffer plate 7 and the bottom surface of the buffer slot 6 in an array.

After the transformer body 1 is arranged on the buffer plate 7, under the action of the self weight of the transformer body 1, the buffer spring 8 contracts, and at the moment, the transformer body 1 is firmly clamped in the buffer groove 6, so that the stability of the transformer body 1 during operation is improved; in addition, in the running process of the transformer, the buffer spring 8 can also absorb the vibration generated by the running of the transformer, and the noise generated in the running process of the transformer is avoided as much as possible.

Simultaneously, the lateral wall of cushion socket 5 is equipped with sand grip 9, and the inner wall of protection casing 3 is equipped with the recess with the 9 adaptations of sand grip, and the bottom of protection casing 3 is run through along vertical direction to the recess, and the top surface of protection casing 3 is equipped with the lug. Through this setting, install back on buffer board 7 when transformer body 1, only need to lift by crane equipment through corresponding and hang protection casing 3 directly over transformer body 1 for the recess that 3 inner walls of protection casing set up is counterpointed with the sand grip 9 of 5 lateral walls of buffer seat, transfers protection casing 3 afterwards, make sand grip 9 card go into in the recess can, need not other installed parts and can accomplish the installation of protection casing 3, the process of dismouting protection casing 3 has been simplified greatly, the efficiency of dismouting protection casing 3 has been improved. Of course, in practical implementation, the raised strips 9 may be provided on the inner wall of the protection cover 3, the grooves may be provided on the side walls of the buffer base 5, or the raised strips 9 and the grooves may be provided simultaneously inside the protection cover 3, and the raised strips 9 and the grooves may be provided simultaneously on the side walls of the buffer base 5.

In addition, based on the existing transformer body 1 includes the oil tank 101 and the heat sink 102 disposed on the side wall of the oil tank 101, in order to further improve the stability of the transformer body 1 after installation, please refer to fig. 2, the inner wall of the protective cover 3 of the embodiment is provided with the clamping plate 10 corresponding to the heat sink 102, the clamping plate 10 is provided with a clamping groove adapted to the heat sink 102, and the clamping groove penetrates through the clamping plate 10 along the vertical direction. It should be noted that, all the four side walls based on the oil tank 101 are provided with the heat dissipation fins 102, so the four inner walls of the protective cover 3 are also provided with the corresponding clamping plates 10, and meanwhile, because the heat dissipation fins 102 of each side wall of the oil tank 101 are composed of a plurality of heat dissipation monomers 1021, when the transformer body 1 is installed, the outer walls of the two heat dissipation monomers 1021 forming the most edge of the heat dissipation fins 102 are respectively attached to the inner side walls of the clamping grooves, so that the movement of the transformer body 1 in the horizontal direction is further limited by the clamping plates 10 from four directions, namely, front, back, left, and right.

In this embodiment, the heat dissipation device includes three heat dissipation fans 11 disposed at the inner top of the protective cover 3, and the number of the heat dissipation fans 11 can be determined according to actual conditions, and the three heat dissipation fans 11 are uniformly distributed at the inner top of the protective cover 3 in this embodiment; meanwhile, a vent hole 12 communicated with the mounting cavity 4 is formed below the side wall of the shield 3, and heat generated during the operation of the transformer is blown downwards by the cooling fan 11 and is exhausted through the vent hole 12. In addition, the vent hole 12 can be used as a wire outlet for a cable connected to the transformer, in addition to a passage for discharging heat. Simultaneously, the slope of ventilation hole 12 sets up, the higher one end in ventilation hole 12 and installation cavity 4 intercommunication to make the water in the external environment be difficult to more get into installation cavity 4 through ventilation hole 12, further improve the safety protection performance.

In addition, in order to improve the automation degree of the heat dissipation device and make the heat dissipation device more reasonably utilized, a temperature sensor 13 and a controller 14 are arranged in the installation cavity 4 of the embodiment, and the heat dissipation fan 11 and the temperature sensor 13 are both in communication connection with the controller 14. When the temperature sensor 13 detects that the temperature in the installation cavity 4 is too high, the temperature information is timely sent to the controller 14, and the controller 14 sends an instruction to the cooling fan 11 to enable the cooling fan 11 to start working, otherwise, the controller 14 can timely control the cooling fan 11 to stop working after the temperature in the installation cavity 4 is reduced.

In the present embodiment, in order to facilitate the relevant operator to directly observe the operation condition of the transformer from the outside, the side wall of the protective cover 3 is provided with a transparent observation window 15, and preferably, the observation window 15 is made of tempered glass.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an oil type transformer, includes transformer body, base and protection casing, its characterized in that, the protection casing is open-ended box structure for the bottom, the protection casing install in on the base and with the base forms a relative inclosed installation cavity, transformer body install in the installation cavity, be equipped with in the installation cavity be used for right the installation cavity carries out radiating heat abstractor.

2. The oil type transformer of claim 1, wherein a buffer base is disposed on the top of the base, the top of the buffer base extends into the protective cover, a buffer slot is disposed on the top of the buffer base, a buffer plate is disposed in the buffer slot, the buffer plate is slidably connected to a sidewall of the buffer slot, and a buffer spring is disposed between the bottom of the buffer plate and an inner bottom surface of the buffer slot.

3. The oil type transformer of claim 2, wherein the side wall of the buffer seat is provided with a convex strip, the inner wall of the protective cover is provided with a groove matched with the convex strip, the groove penetrates through the bottom of the protective cover in the vertical direction, and the top surface of the protective cover is provided with a lifting lug.

4. The oil-type transformer of claim 1, wherein the transformer body comprises an oil tank and a heat sink disposed on a side wall of the oil tank, the inner wall of the protective cover is provided with a clamping plate corresponding to the heat sink, the clamping plate is provided with a clamping groove adapted to the heat sink, and the clamping groove penetrates through the clamping plate in a vertical direction.

5. The oil-type transformer of claim 1, wherein the heat sink comprises a heat dissipation fan disposed at the inner top of the shield, and a vent hole communicating with the mounting cavity is formed below the side wall of the shield.

6. The oil transformer of claim 5, wherein the vent hole is arranged obliquely, and the higher end of the vent hole is communicated with the mounting cavity.

7. The oil transformer of claim 5, wherein a temperature sensor and a controller are arranged in the mounting cavity, and the heat dissipation fan and the temperature sensor are both in communication connection with the controller.

8. An oil transformer according to claim 1, characterized in that the side walls of the protective cover are provided with transparent viewing windows.