CN213124102U

CN213124102U - Small-size column type transformer

Info

Publication number: CN213124102U
Application number: CN202021353605.6U
Authority: CN
Inventors: 张群; 姜惠强; 李俊良; 何喆; 李珊珊
Original assignee: Zhejiang Zhiyuan Electric Power Design Co ltd
Current assignee: Zhejiang Zhiyuan Electric Power Design Co ltd
Priority date: 2020-07-11
Filing date: 2020-07-11
Publication date: 2021-05-04
Anticipated expiration: 2030-07-11

Abstract

The utility model discloses a little volume column type transformer relates to transformer terminal technical field, and the inner space of having solved current little volume column type transformer is less, and inconvenient screw is twisted and is connect the problem of fixed conducting ring. A small-volume column type transformer comprises a compression block; the compressing block is inserted in the conductive column. The device's lug ring piece does not need to twist through the screw and connects fixedly when being connected with leading electrical pillar, but compress tightly the lug ring piece at the top surface of leading electrical pillar automatically under the effect of extension spring through the compact heap, realize electric connection, and only need stimulate the compact heap when demolising the lug ring piece and make the plug-in block of compact heap deviate from the inserting groove inside leading electrical pillar, take off the plug-in block with the lug ring piece can, it connects fixedly to need not to twist through the screw, and the compact heap can make under the effect of extension spring lead electrical pillar and the inseparable laminating realization electric connection of lug ring piece, and is convenient and flexible, the operation is simple and convenient, the flexibility and the practicality of the device are improved.

Description

Small-size column type transformer

Technical Field

The utility model belongs to the technical field of the transformer terminal, more specifically say, in particular to little volume column type transformer.

Background

A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. Transformers are currently widely used in power distribution grid systems.

If the application number is: CN201620040615.1 discloses a column transformer, which comprises an oil tank, a first bushing disposed on one side of the oil tank for connecting to a high-voltage line, a second bushing disposed on the oil tank and distributed on the same side as the first bushing for connecting to a low-voltage line, a coil disposed in the oil tank, and a protection device connected between the high-voltage side of the coil and the first bushing. The utility model relates to a column type transformer, which solves the problems of unreliable connection and difficult connection between the transformer oil tank and the high-voltage incoming line and the low-voltage outgoing line; through reasonable structural arrangement, the height and the floor area of the transformer are reduced, and the installation cost of equipment is reduced; through the protection of the plug-in fuse and the backup fuse, the transformer is effectively and reliably protected, and the reliable and safe operation of the transformer is ensured.

When connecting, the internal wire of the existing transformer needs to be fixed on the conducting ring firstly, then the conducting ring is screwed and fixed on the connecting piece through the screw, and the internal space of the small-volume column type transformer is smaller, so that the operation of screwing the conducting ring is inconvenient, and the frequent screwing and screw connection is needed when the internal wire of the transformer is connected and detached, so that the steps are complex, the working efficiency is lower, and the practicability is not high.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a pillar type transformer with small volume is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a little volume column type transformer to solve current transformer internal conductor when connecting, need fix the wire on the conducting ring earlier, then connect the conducting ring through the screw twisting and fix on the contact patch, because little volume column type transformer's inner space is less, the operation that inconvenient screw twisting connects, and need frequent twisting to connect the screw when connecting and demolising the wire in the transformer, the step is loaded down with trivial details, work efficiency is lower, the not high problem of practicality.

The utility model discloses purpose and efficiency of small volume column type transformer are reached by following specific technological means:

a small-volume column type transformer comprises a conductive column, a lug ring plate, a compression block, a fastening ring and an installation and disassembly block; the conductive column is fixedly connected with the wiring component inside the transformer and is electrically connected with the wiring component inside the transformer; the wiring ring sheets are fixedly connected to two ends of the lead; the compression block is inserted in the conductive column; the fastening ring is sleeved outside the conductive column; the mounting and dismounting block is movably connected inside the fastening ring.

Furthermore, the inside of leading electrical pillar is equipped with the inserting groove, the side of compact heap is equipped with the grafting piece, the external diameter of grafting piece is the same with the internal diameter of inserting groove, and the length of grafting piece is less than the degree of depth of inserting groove.

Further, the connecting rod of the installation and disassembly block is designed as a round rod, and the inside of the insertion block and the block body of the conductive column are provided with avoidance grooves.

Furthermore, the two sides of the mounting and dismounting block are provided with spring blocks, tension springs are arranged in the spring blocks, the two ends of each tension spring are fixed in the spring blocks and the side faces of the pressing blocks respectively, telescopic rods are arranged in the tension springs, and the two ends of each telescopic rod are fixedly connected in the spring blocks and the side faces of the pressing blocks respectively.

Furthermore, the pressing block, the fastening ring and the mounting and dismounting block are all made of insulating ceramic materials.

Compared with the prior art, the utility model discloses following beneficial effect has:

firstly, the device's lug ring piece does not need to twist through the screw and connects fixedly when being connected with leading electrical pillar, but compress tightly the lug ring piece at the top surface of leading electrical pillar automatically under the effect of extension spring through the compact heap, realize electric connection, and only need stimulate the compact heap when demolising the lug ring piece and make the plug-in block of compact heap deviate from the inserting groove inside leading electrical pillar, take off the plug-in block with the lug ring piece can, need not to twist through the screw and connect fixedly, and the compact heap can make under the effect of extension spring lead electrical pillar and the inseparable laminating of lug ring piece and realize electric connection, convenient and flexible, the operation is simple and convenient, the flexibility and the practicality of the device have been improved.

Secondly, the design of telescopic link makes the compact heap when taking out the inside of leading electrical pillar, can not take place to rotate and distort, the groove of dodging of compact heap can be pegged graft in the connecting rod outside of ann's tear apart the piece when the compact heap reinserts the inside of leading electrical pillar, the connecting rod of ann's tear apart the piece can be through leading the groove fixed position of dodging of electrical pillar, make the compact heap also can not appear the phenomenon of distortion and slope inserting leading electrical pillar back, can be stable compress tightly the top surface at the wire post with the lug piece, the device's stability has been improved.

Moreover, compact heap, tighrening ring and ann tear the piece open and make for insulating ceramic material for the device can not lead to the fact destruction to the device because of the phenomenon of generating heat that power transmission caused, and the electric connection of leading electrical pillar and lug ring piece has further improved the device's stability in the realization that can be stable.

Drawings

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

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a schematic structural view after the disassembly of the present invention.

Fig. 4 is a schematic structural view of the present invention when the wire connecting ring is installed and removed.

Fig. 5 is a schematic structural view of the present invention used in a partial structure inside a transformer.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a conductive post; 2. a wire connection ring sheet; 3. a compression block; 4. a fastening ring; 5. mounting and dismounting the block; 101. inserting grooves; 301. an insertion block; 3011. an avoidance groove; 501. a connecting rod; 502. a spring block; 5021. a tension spring; 5022. a telescopic rod.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and 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. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 5:

the utility model provides a small-volume column type transformer, which comprises a conductive column 1, a wiring ring sheet 2, a compression block 3, a fastening ring 4 and an installing and disassembling block 5; the conductive column 1 is fixedly connected with the wiring part inside the transformer, and the conductive column 1 is electrically connected with the wiring part inside the transformer; the plug-in groove 101 is formed in the conductive column 1, the plug-in block 301 is arranged on the side face of the pressing block 3, the outer diameter of the plug-in block 301 is the same as the inner diameter of the plug-in groove 101, and the length of the plug-in block 301 is smaller than the depth of the plug-in groove 101, as shown in fig. 2, fig. 3 and fig. 4, the pressing block 3 can penetrate through the middle of the lug ring piece 2 through the plug-in block 301 to press the lug ring piece 2 on the top face of the conductive column 1, so that the purpose of electrical connection is achieved, and the flexibility of the; the wiring ring piece 2 is fixedly connected to two ends of the lead; the compression block 3 is inserted in the conductive column 1; the fastening ring 4 is sleeved outside the conductive column 1; the mounting and dismounting block 5 is movably connected inside the fastening ring 4; the compact heap 3, the tighrening ring 4 and the ann piece 5 of tearing open are insulating ceramic material and make for the device can not lead to the fact destruction to the device because of the phenomenon of generating heat that power transmission caused, and the electric connection of leading electrical pillar 1 and lug ring piece 2 has further improved the device's stability in realization that can be stable.

Wherein, the connecting rod 501 of the installation and disassembly block 5 is designed as a round rod, the inside of the plug-in block 301 and the block body of the conductive column 1 are provided with avoiding grooves 3011, as shown in fig. 2 and fig. 3, the design enables that when the compression block 3 is pulled out to the inside of the conductive column 1, the rotation and distortion can not occur under the limiting action of the telescopic link 5022, as shown in fig. 4, when the compression block 3 is inserted into the inside of the conductive column 1 again, the avoiding grooves 3011 of the compression block 3 can be plugged outside the connecting rod 501 of the installation and disassembly block 5, the connecting rod 501 of the installation and disassembly block 5 can be fixed in position through the avoiding grooves 3011 of the conductive column 1, so that the compression block 3 can not generate distortion and inclination phenomena after the conductive column 1 is inserted, the wiring ring piece 2 can be stably compressed on the top surface of the conductive column.

Wherein, the two sides of the mounting and dismounting block 5 are provided with spring blocks 502, the spring block 502 is provided with a tension spring 5021, the two ends of the tension spring 5021 are respectively fixed in the spring block 502 and the side surface of the pressing block 3, the tension spring 5021 is provided with a telescopic link 5022, and the two ends of the telescopic link 5022 are respectively fixedly connected in the spring block 502 and the side surface of the pressing block 3, as shown in fig. 2 and fig. 3, the design ensures that the wiring ring sheet 2 is connected with the conductive post 1 without screwing and fixing through a screw, but the pressing block 3 automatically presses the wiring ring sheet 2 on the top surface of the conductive post 1 under the action of the tension spring 5021 to realize electrical connection, and when the wiring ring sheet 2 is dismounted, only the pressing block 3 needs to be pulled to make the inserting block 301 of the pressing block 3 separate from the inside the inserting groove 101 of the conductive post 1, and the wiring ring sheet 2 is taken down from the inserting block 301, as shown in fig. 4 without, and the compact heap 3 can make and lead closely laminating realization electric connection of electrical pillar 1 and lug ring piece 2 under the effect of extension spring 5021, and is convenient nimble, and is easy and simple to handle, has improved the flexibility and the practicality of the device.

The specific use mode and function of the embodiment are as follows:

in the utility model, firstly, the connecting wire inside the transformer is connected with the tail connecting piece of the wiring ring sheet 2, then the two ends of the corresponding connecting wire are connected with the conductive post 1 through the wiring ring sheet 2, the compressing block 3 is taken out of the interior of the conductive post 1, the wiring ring sheet 2 is inserted into the outside of the inserting block 301 of the compressing block 3, when the compressing block 3 is taken out of the interior of the conductive post 1, the rotating and twisting can not occur under the limiting action of the telescopic link 5022, as shown in figure 4, the inserting block 301 of the compressing block 3 is inserted into the inserting groove 101 of the conductive post 1 again, when the compressing block 3 is inserted into the interior of the conductive post 1 again, the avoiding groove 3011 of the compressing block 3 can be inserted into the outside of the connecting rod 501 of the installing and disassembling block 5, the connecting rod 501 of the installing and disassembling block 5 can be fixed in position through the avoiding groove 3011 of the conductive post 1, so that the phenomenon of twisting and tilting can not, the wiring ring sheet 2 can be stably pressed on the top surface of the conductive post 1, the wiring ring sheet 2 is automatically pressed on the top surface of the conductive post 1 through the pressing block 3 under the action of the tension spring 5021 without screwing and fixing the wiring ring sheet 2 through screws when the wiring ring sheet 2 is connected with the conductive post 1, so that the electric connection is realized, and when the wiring ring sheet 2 is dismounted, the inserting block 301 of the pressing block 3 is separated from the inserting groove 101 of the conductive post 1 only by pulling the pressing block 3, so that the wiring ring sheet 2 is taken down from the inserting block 301, as shown in figure 4, the wiring ring sheet 2 is also not required to be screwed and fixed through screws, and the pressing block 3 can enable the wiring ring sheet 1 and the wiring ring sheet 2 to be tightly attached under the action of the tension spring 5021 so as to realize the electric connection, so that the device is convenient and flexible to operate, the pressing block 3, the fastening ring 4 and the mounting and dismounting block 5 are made of insulating ceramic materials, so that the device, the normal use of the transformer can be ensured.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A small-size column type transformer is characterized in that: the device comprises a conductive column (1), a wiring ring sheet (2), a pressing block (3), a fastening ring (4) and an installing and disassembling block (5); the conductive column (1) is fixedly connected with a wiring component inside the transformer, and the conductive column (1) is electrically connected with the wiring component inside the transformer; the wiring ring sheets (2) are fixedly connected to two ends of the lead; the compression block (3) is inserted in the conductive column (1); the fastening ring (4) is sleeved outside the conductive column (1); the mounting and dismounting block (5) is movably connected inside the fastening ring (4).

2. The small-volume column transformer of claim 1, wherein: the conductive column is characterized in that an insertion groove (101) is formed in the conductive column (1), an insertion block (301) is arranged on the side face of the compression block (3), the outer diameter of the insertion block (301) is the same as the inner diameter of the insertion groove (101), and the length of the insertion block (301) is smaller than the depth of the insertion groove (101).

3. The small-volume column transformer of claim 2, wherein: connecting rod (501) of ann's piece of tearing open (5) are the round bar design, the inside of grafting piece (301) and the block of leading electrical pillar (1) are equipped with dodges groove (3011).

4. The small-volume column transformer of claim 1, wherein: the both sides of ann tear piece (5) open are equipped with spring block (502), and are equipped with extension spring (5021) in spring block (502), and the both ends of extension spring (5021) are fixed respectively in the inside of spring block (502) and the side of compact heap (3), the inside of extension spring (5021) is equipped with telescopic link (5022), and the both ends of telescopic link (5022) fixed connection respectively in the inside of spring block (502) and the side of compact heap (3).

5. The small-volume column transformer of claim 1, wherein: the pressing block (3), the fastening ring (4) and the mounting and dismounting block (5) are all made of insulating ceramic materials.