CN210272007U - Cotube structure of cooler for transformer with precooling function - Google Patents
Cotube structure of cooler for transformer with precooling function Download PDFInfo
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- CN210272007U CN210272007U CN201921539967.1U CN201921539967U CN210272007U CN 210272007 U CN210272007 U CN 210272007U CN 201921539967 U CN201921539967 U CN 201921539967U CN 210272007 U CN210272007 U CN 210272007U
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Abstract
The utility model provides a cooler's allies oneself with tubular construction for transformer with precooling function, include: the rack comprises a first underframe and a second underframe, and a fixing column is vertically arranged on the first underframe; a header group including a first header and a second header; the first connecting pipe is used for communicating an oil outlet of a transformer oil tank and a liquid inlet of a cooler, the second connecting pipe is used for communicating a liquid outlet of the cooler and an oil inlet of the transformer oil tank, the first connecting pipe comprises a cooling pipe which is spirally arranged from top to bottom, the cooling pipe is fixedly arranged on the fixed column, and the cooling pipe is a copper pipe. The connecting pipe structure of the cooler for the transformer with the pre-cooling function can pre-cool high-temperature transformer oil through the cooling pipe before the high-temperature transformer oil enters the cooler, so that the transformer oil treated by the cooler can obtain lower temperature, and the heat dissipation efficiency of the transformer is improved.
Description
Technical Field
The utility model relates to a transformer technical field especially relates to a union pipe structure of cooler for transformer with precooling function.
Background
The transformer can generate heat during working, if the heat in the voltage device is not timely discharged, the service life of an insulating material in the transformer can be reduced, and an inconceivable result is caused. The external cooler can improve the heat dissipation efficiency of the transformer, but the temperature of the transformer oil subjected to the treatment of the cooler within a limited time cannot reach satisfactory effect, so that the precooling treatment of the high-temperature transformer oil through the connecting pipeline is very necessary before the transformer oil enters the cooler.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: need accept the problem of precooling treatment in order to solve transformer oil before getting into the cooler, the utility model provides a transformer with precooling function solves above-mentioned problem with the union pipe structure of cooler.
The utility model provides a technical scheme that its technical problem adopted is: a header structure of a cooler for a transformer with a pre-cooling function includes:
the rack comprises a first underframe and a second underframe, and a fixing column is vertically arranged on the first underframe;
a header group including a first header and a second header;
the first connecting pipe is used for communicating an oil outlet of a transformer oil tank and a liquid inlet of a cooler, the second connecting pipe is used for communicating a liquid outlet of the cooler and an oil inlet of the transformer oil tank, the first connecting pipe comprises a cooling pipe which is spirally arranged from top to bottom, the cooling pipe is fixedly arranged on the fixed column, and the cooling pipe is a copper pipe.
Preferably, the fixing column is a hollow cylinder, the upper end of the fixing column is sealed, an air inlet is formed in the lower end of the fixing column, an opening which is identical to the air inlet in shape and size is formed in the first chassis, a fan is horizontally arranged at the position of the air inlet, an air outlet of the fan is vertically arranged upwards, and a plurality of air outlets are formed in the wall surface of the fixing column.
Preferably, a plurality of radiating fins are vertically arranged on the outer wall of the fixed column in a radial shape, one side of each radiating fin is provided with a limiting hole, each limiting hole corresponds to one opening, the cooling pipe is positioned at one end, away from the openings, of each limiting hole and is tightly attached to the corresponding radiating fin, and one side, provided with the limiting holes, of each radiating fin is tightly attached to the outer wall of the fixed column;
the heat radiating fin comprises a first chassis, a fixing hole and a second chassis, wherein the first chassis is vertically provided with the fixing hole, the fixing hole is radially distributed at the joint of the fixing column and the first chassis, the shape of the horizontal section of the fixing hole is consistent with that of the horizontal section of the heat radiating fin, a first guide groove and a second guide groove are recessed in the side walls of two sides of the fixing hole, the first guide groove is vertically arranged, the second guide groove is horizontally arranged, one end, far away from the fixing column, of the second guide groove is communicated with the lower end of the first guide groove, limiting columns are protruded at the lower ends of two sides of the heat radiating fin, and can be in sliding fit with the first guide groove and the second guide groove.
Preferably, a shielding group is fixedly arranged on one side, away from the second bottom frame, of the first bottom frame, the shielding group comprises a first baffle and a second baffle, the lower end of the vertically arranged first baffle is fixedly connected with the first bottom frame, the upper end of the first baffle is fixedly connected with one end of the horizontally arranged second baffle, and the other end of the second baffle is positioned above the second bottom frame;
the projection of the second baffle towards the first underframe and the second underframe can shield the first connecting pipe and the second connecting pipe.
The beneficial effects of the utility model are that, this kind of pallet yoke pipe of cooler for transformer with reserve cooling function carries out the precooling through cooling tube, fan and fin before the transformer oil of high temperature gets into the cooler and handles it, lets the transformer oil of accepting after the cooler is handled can obtain lower temperature, improves the radiating efficiency of transformer.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural view of a preferred embodiment of a stand header of a transformer cooler having a standby cooling function according to the present invention.
Fig. 2 is a schematic view of a partial structure of a stand header of a transformer cooler having a standby cooling function.
Fig. 3 is a schematic view of a partial structure of a stand header of a transformer cooler having a standby cooling function.
Fig. 4 is a partially enlarged view of fig. 3.
Fig. 5 is a schematic view of a partial structure of a stand header of a transformer cooler having a standby cooling function.
In the figure, 1, a pipe connection group, 101, a first pipe connection, 1011, a cooling pipe, 102, a second pipe connection, 2, a stand, 201, a first chassis, 202, a second chassis, 203, a fixing column, 2031, an air outlet, 2032, an air inlet, 204, a fan, 205, a radiating fin, 2051, a limiting hole, 2051, a limiting column, 206, a fixing hole, a 2061 first guide groove, 2062, a second guide groove, 207, a shielding group, 2071, a first baffle, 2072 and a second baffle.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing and simplifying the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," 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. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1-5, the utility model provides a cooler's union pipe structure for transformer with precooling function, include:
and the stand 2 comprises a first chassis 201 and a second chassis 202, wherein the first chassis 201 is positioned below the cooler, and the second chassis 202 is positioned below the transformer. Two connecting blocks are protruded from the side edge of the first chassis 201 close to the second chassis 202, and vertically arranged through holes are formed in the connecting blocks. The side edge of the second chassis 202 close to the first chassis 201 is recessed with a connecting groove corresponding to the shape and size of the connecting block, the upper wall surface of the connecting groove is provided with a through hole, and the lower wall surface of the connecting groove is provided with a blind hole. When the first chassis 201 and the second chassis 202 are tightly attached to each other, the connecting block is inserted into the connecting groove, and the vertically arranged bolt is matched with the connecting block and the connecting groove in a matched mode through blind hole threads. This arrangement can facilitate quick separation of the first chassis 201 in communication with the cooler and the transformer and second chassis 202 by a worker.
A hollow cylindrical fixing column 203 is fixedly arranged on the first chassis 201, the upper end of the vertically arranged fixing column 203 is sealed, a round air inlet 2032 is formed in the lower end of the fixing column 203, and a through hole which is identical to the air inlet 2032 in shape and size is correspondingly formed in the first chassis 201. A fan 204 is arranged in the fixed column 203, the fan 204 is horizontally arranged at the lower end of the fixed column 203, an air outlet 2031 of the fan 204 faces vertically upwards, and a plurality of circular air outlets 2031 are formed in the wall surface of the fixed column 203.
The union set 1, the union set 1 includes a first union 101 and a second union 102. One end of the first connecting pipe 101 is connected with an oil outlet of the transformer oil tank in a sealing mode, and the other end of the second connecting pipe 102 is connected with a liquid inlet of the cooler in a sealing mode. One end of the second connecting pipe 102 is hermetically connected with a liquid outlet of the cooler, and the other end of the second connecting pipe 102 is hermetically connected with an oil inlet of the transformer oil tank. The first header 101 includes a cooling pipe 1011 spirally arranged from top to bottom, and the cooling pipe 1011 is wound around a fixed circumference from top to bottom. The manufacturing material of cooling tube 1011 is the copper pipe, and the copper pipe possesses good heat conductivility, can let better and the external heat exchange that produces when transformer oil passes through cooling tube 1011. The spiral cooling pipe 1011 increases the heat dissipation area of the hydraulic oil, and simultaneously increases the time for heat exchange between the transformer oil and the outside, and improves the efficiency of precooling treatment.
After the fan 204 rotates, the wind enters the fixed column 203 from the wind inlet 2032 and is blown out onto the cooling pipe 1011 or around the cooling pipe 1011 from the wind outlet 2031, so that the air flow around the cooling pipe 1011 is enhanced, and the heat exchange efficiency between the cooling pipe 1011 and the outside is improved.
A plurality of radiating fins 205 are vertically arranged on the outer wall of the fixed column 203 in a radial shape, and one side of each radiating fin 205 is provided with a limiting hole. Every spacing hole is an opening, and the equal level setting of two upper and lower sides that every spacing hole is equal, and the one end that fixed column 203 was kept away from in spacing hole is set up to semi-circular, and when fin 205 was equipped with one side in spacing hole and the outer wall of fixed column 203 pasted and tightly set up, the spiral pipe pasted and tightly set up the semicircular one end in spacing hole.
The cooling fin 205 is closely attached to the cooling tube 1011, so that the pre-cooling effect of the transformer oil at the cooling tube 1011 can be further improved, and the cooling fin 205 also has a certain fixing effect on the cooling tube 1011.
In a specific embodiment, a plurality of fixing holes 206 are vertically disposed on the first chassis 201, and the fixing holes 206 are radially distributed at the connection positions of the fixing posts 203 and the first chassis 201. The fixing holes 206 are through holes having a horizontal cross section conforming to the shape of the horizontal cross section of the heat radiating fins 205, and each fixing hole 206 corresponds to one heat radiating fin 205. The side walls on the two sides of the fixing hole 206 are recessed with a first guide groove 2061 and a second guide groove 2062, the first guide groove 2061 is vertically arranged, the second guide groove 2062 is horizontally arranged, and one end of the second guide groove 2062 far away from the fixing column 203 is communicated with the lower end of the first guide groove 2061. The lower ends of both sides of the heat sink 205 are protruded with a stopper post 2052, and the stopper post 2052 can be slidably fitted in the first guide groove 2061 and the second guide groove 2062.
When the cooling pipe 1011 is wound around the fixing post 203, the limiting post 2052 is moved along the first guide groove 2061 to insert the heat sink 205 downward into the fixing hole 206. When the limiting column 2052 is located at the lower end of the first guide groove 2061, the limiting column 2052 is moved along the second guide groove 2062 to move the heat sink 205 toward the direction close to the fixed column 203 until the side of the heat sink 205 provided with the limiting hole is closely attached to the outer wall of the fixed column 203. The cooling pipe 1011 arranged around the fixing column 203 enters the limiting hole from the opening of the limiting hole and is tightly attached to one semicircular end of the limiting hole.
When the heat sink 205 needs to be disassembled, the heat sink 205 is firstly pulled out along the second guide groove 2062 in a direction away from the fixing post 203, so that the cooling tube 1011 leaves the limiting hole, and then the heat sink 205 is pulled out upwards along the second guide groove 2062, so that the heat sink 205 can be taken out for maintenance and replacement of the heat sink 205.
In a specific embodiment, a shielding set 207 is fixedly disposed on a side of the first chassis 201 away from the second chassis 202, and the shielding set 207 includes a first baffle 2071 and a second baffle 2072. The vertical setting of first shielding plate, the lower extreme and the first chassis 201 fixed connection of first baffle 2071, the one end fixed connection of the upper end of first baffle 2071 and the second baffle 2072 that the level set up. The other end of the second barrier 2072 is located above the second chassis 202, and a projection of the second barrier 2072 toward the first chassis 201 and the second chassis 202 can block the first and second headers 101 and 102. The shielding group 207 can shield sunlight irradiated from the side and the upper part, can create a good heat exchange environment for the cooling pipe 1011, and improves the effect of precooling treatment.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. A header structure of a cooler for a transformer with a precooling function is characterized by comprising:
the rack comprises a first underframe and a second underframe, and a fixing column is vertically arranged on the first underframe;
a header group including a first header and a second header;
the first connecting pipe is used for communicating an oil outlet of a transformer oil tank and a liquid inlet of a cooler, the second connecting pipe is used for communicating a liquid outlet of the cooler and an oil inlet of the transformer oil tank, the first connecting pipe comprises a cooling pipe which is spirally arranged from top to bottom, the cooling pipe is fixedly arranged on the fixed column, and the cooling pipe is a copper pipe.
2. The piping structure of a cooler for a transformer with a pre-cooling function according to claim 1, wherein:
the fixing column is a hollow cylinder, the upper end of the fixing column is sealed, an air inlet is formed in the lower end of the fixing column, an opening which is identical to the air inlet in shape and size is formed in the first chassis, a fan is horizontally arranged at the air inlet, an air outlet of the fan is vertically arranged upwards, and a plurality of air outlets are formed in the wall surface of the fixing column.
3. The piping structure of a cooler for a transformer with a pre-cooling function according to claim 2, wherein:
a plurality of radiating fins are vertically arranged on the outer wall of the fixed column in a radial shape, one side of each radiating fin is provided with a limiting hole, each limiting hole corresponds to one opening, the cooling pipe is positioned at one end, away from the openings, of each limiting hole and is tightly attached to the corresponding radiating fin, and one side, provided with the limiting holes, of each radiating fin is tightly attached to the outer wall of the fixed column;
the heat radiating fin comprises a first chassis, a fixing hole and a second chassis, wherein the first chassis is vertically provided with the fixing hole, the fixing hole is radially distributed at the joint of the fixing column and the first chassis, the shape of the horizontal section of the fixing hole is consistent with that of the horizontal section of the heat radiating fin, a first guide groove and a second guide groove are recessed in the side walls of two sides of the fixing hole, the first guide groove is vertically arranged, the second guide groove is horizontally arranged, one end, far away from the fixing column, of the second guide groove is communicated with the lower end of the first guide groove, limiting columns are protruded at the lower ends of two sides of the heat radiating fin, and can be in sliding fit with the first guide groove and the second guide groove.
4. A piping structure of a cooler for a transformer with a pre-cooling function according to claim 3, wherein:
a shielding group is fixedly arranged on one side, away from the second underframe, of the first underframe, the shielding group comprises a first baffle and a second baffle, the lower end of the vertically arranged first baffle is fixedly connected with the first underframe, the upper end of the first baffle is fixedly connected with one end of the horizontally arranged second baffle, and the other end of the second baffle is positioned above the second underframe;
the projection of the second baffle towards the first underframe and the second underframe can shield the first connecting pipe and the second connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921539967.1U CN210272007U (en) | 2019-09-16 | 2019-09-16 | Cotube structure of cooler for transformer with precooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921539967.1U CN210272007U (en) | 2019-09-16 | 2019-09-16 | Cotube structure of cooler for transformer with precooling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210272007U true CN210272007U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921539967.1U Active CN210272007U (en) | 2019-09-16 | 2019-09-16 | Cotube structure of cooler for transformer with precooling function |
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| Country | Link |
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| CN (1) | CN210272007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114823105A (en) * | 2022-03-25 | 2022-07-29 | 保定天威保变电气股份有限公司 | Structure for reducing internal stress deformation of ventilation connecting pipe of transformer |
-
2019
- 2019-09-16 CN CN201921539967.1U patent/CN210272007U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114823105A (en) * | 2022-03-25 | 2022-07-29 | 保定天威保变电气股份有限公司 | Structure for reducing internal stress deformation of ventilation connecting pipe of transformer |
| CN114823105B (en) * | 2022-03-25 | 2023-10-20 | 保定天威保变电气股份有限公司 | Structure for reducing internal stress deformation of ventilation tube of transformer |
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