CN114373600A - Overheated deformation ventilation type transformer - Google Patents
Overheated deformation ventilation type transformer Download PDFInfo
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- CN114373600A CN114373600A CN202111471562.0A CN202111471562A CN114373600A CN 114373600 A CN114373600 A CN 114373600A CN 202111471562 A CN202111471562 A CN 202111471562A CN 114373600 A CN114373600 A CN 114373600A
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- heat
- heat dissipation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/025—Constructional details relating to cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/16—Water cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
Abstract
The invention discloses an overheating deformation ventilation type transformer, belonging to the field of transformers, wherein a plurality of heat dissipation cavities are arranged on a heat dissipation shell, heat dissipation fins are additionally arranged at the left end and the right end of each heat dissipation fin and each heat dissipation cavity form a ventilation gap, meanwhile, a plurality of plugging sheet plugging sheets which are elastically buckled at the inner end parts of the heat dissipation fins are arranged at the inner wall of the heat dissipation shell and are plugged at the inner sides of the ventilation gaps, a plurality of plugging sheets are plugged at the inner ends of the ventilation gaps one by one under the normal low-temperature state in a transformer body, the dustproof and waterproof effects are achieved under the condition of no heat dissipation, when the temperature in the transformer body gradually rises to reach the deformation temperature of a thermal deformation piece, a shape memory spring is straightened from the initial spring state and pushes a magnetic suction plate to move to one side of the plugging sheets, the magnetic suction plate plays a magnetic suction effect on the plugging sheets, the plugging sheets tilt motion to one side of a heat guide plate, at the moment, the plugging sheets do not plug the heat dissipation cavities, the ventilation area is enlarged according to actual needs, and the heat dissipation effect is improved.
Description
Technical Field
The invention relates to the field of transformers, in particular to an overheating deformation ventilation type transformer.
Background
The transformer is a complete set of transformation equipment, can be used for terminal power supply and looped network power supply, and the conversion is very convenient, has guaranteed reliability and flexibility of power supply. With the development of voltage technology, the application of transformers tends to mature. However, the transformer generates a large amount of heat inside during operation, and the internal elements of the transformer are burnt due to the high heat inside the transformer, which is not beneficial to the use of the transformer.
At present, when an existing transformer radiates heat, most of the heat radiating grooves formed in two sides or the end wall of the transformer is embedded with the mounting radiating fins for radiating heat, the overall heat radiating effect is poor, the formed heat radiating grooves have an internal and external ventilation effect, but the heat radiating grooves are not easy to block dust and water vapor when heat radiation is not needed under a temperature reduction environment, and if the heat radiating grooves are only formed, heat radiation is only carried out through contact type heat transfer, and internal and external ventilation is difficult to realize.
Therefore, an overheating deformation ventilation type transformer is provided to effectively solve some problems in the prior art.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an overheating deformation ventilation type transformer, wherein radiating fins are additionally arranged at a plurality of radiating cavities formed in a radiating shell, the left end and the right end of each radiating fin and the corresponding radiating cavity form a ventilation gap, a plurality of blocking pieces are blocked at the inner ends of the ventilation gaps one by one under a low-temperature normal state in a transformer body, the dustproof and waterproof and steam-proof effects are achieved under the condition of no need of radiating, when the temperature in the transformer body gradually rises to reach the deformation temperature of a thermal deformation piece, a shape memory spring is straightened from an initial spring state and pushes a magnetic suction plate to move to one side of each blocking piece, the magnetic suction plate plays a magnetic suction effect on each blocking piece, the blocking pieces do inclined movement to one side of the heat guiding plate, and at the moment, the blocking pieces do not block the radiating cavities, so that the inside and outside of the transformer are ventilated.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An overheated deformation ventilation type transformer comprises a transformer body, wherein heat dissipation shells communicated with the inside of the transformer body are mounted at the left end and the right end of the transformer body, a plurality of heat dissipation cavities are formed in the outer end wall of each heat dissipation shell, heat dissipation fins penetrating through the inside and the outside are arranged in each heat dissipation cavity, ventilation gaps are formed between the heat dissipation fins and the left wall and the right wall of each heat dissipation cavity, a plurality of heat conduction plates distributed at intervals with the plurality of heat dissipation cavities are fixedly connected to the inner wall of each heat dissipation shell, two adjacent heat conduction plates are symmetrically arranged at the left side and the right side of each heat dissipation fin, plugging pieces are arranged at the left side and the right side of each heat dissipation fin, the plugging pieces are fixedly connected to the inner wall of each heat dissipation cavity, are arranged between the heat conduction plates and the heat dissipation cavities, one ends, away from the heat dissipation cavities, of the plugging pieces are inclined outwards and are elastically buckled on the inner end walls of the heat dissipation fins, and ferromagnetic pieces are embedded on the end walls, which are close to the inner end portions of the heat dissipation fins;
the inside fixedly connected with of transformer body a plurality of heat conduction post that correspond with the heat-conducting plate position, the upper and lower extreme all links up mutually with heat-conducting plate inner end through a plurality of conducting strips on the heat conduction post, the fixed intercommunication of heat conduction post middle part lateral wall is equipped with a plurality of heat pipes, the inside packing of heat conduction post has the conduction oil, the inside activity chamber of corresponding with a plurality of heat conduction pipe positions of offering of heat-conducting plate, a plurality of heat conduction pipe inner all extends to the activity intracavity side, a plurality of heat conduction intraducts all are equipped with thermal deformation spare, a plurality of thermal deformation spare are kept away from heat conduction post one end and are run through the heat pipe and fixedly connected with the magnetism suction plate that ferromagnetic sheet magnetism was inhaled the setting, magnetism suction plate activity links up in activity intracavity side, thermal deformation spare includes the fixed cavity otter board of locating the heat conduction post one end of heat conduction, the cavity otter board is kept away from heat conduction post one end and is passed through shape memory spring fixedly connected with magnetism suction plate through the heat pipe through the push rod, the piston is kept away from shape memory spring one end.
Furthermore, the plugging piece is made of elastic materials, and one end of the plugging piece, which is far away from the radiating shell, is provided with a buckling piece matched with the inner end wall of the radiating fin.
Furthermore, a plurality of heat dissipation holes are formed in the side wall of the plugging sheet, and dust screens are arranged at the positions of the heat dissipation holes and are located in a high-temperature environment inside the transformer body.
Furthermore, the inner wall of the heat conducting plate is fixedly connected with a magnetic shielding sheet corresponding to the position of the buckling sheet, the inner end part of the radiating fin is of an arc-shaped structure, and the magnetic shielding sheet and the buckling sheet are also of the arc-shaped structure.
Furthermore, the magnetism isolating sheet is made of magnetism isolating materials, the inner wall and the outer wall of the buckling sheet are coated with flexible cushions, and when the plugging sheet inclines to one side of the heat guide plate, the buckling sheet is attached to the magnetism isolating sheet, so that stability is improved.
Furthermore, a plurality of circulation holes are formed in the hollow screen plate, a circulation cavity is formed between one end, far away from the push rod, of the piston and the inside of the heat conduction pipe, and the heat conduction oil overflows into the circulation cavity.
Furthermore, the shape memory spring is made of shape memory alloy, and the shape memory spring is in a spring phase state at a low temperature.
Furthermore, a water-cooling pipe is wound on each heat conduction column, the upper end of the water-cooling pipe penetrates through the top of the transformer body and is fixedly connected with a filter pipe, and the lower end of the water-cooling pipe penetrates through the bottom of the transformer body and is fixedly connected with a sealing plug.
Further, the water-cooling pipe is snakelike winding on the heat conduction post, and a plurality of conducting strips and heat pipe all avoid water-cooling pipe fixed connection on the heat conduction post.
Further, the water-cooling pipe adopts the heat conduction material to make, and the water-cooling pipe lower extreme extends to the heat dissipation shell bottom outside, through addding the water-cooling pipe for play the storage effect to natural rainwater, the water-cooling pipe that the storage has the rainwater is in order to further improve the radiating effect.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the scheme is that a plurality of radiating cavities are arranged on a radiating shell, the left end and the right end of each radiating fin and the radiating cavities form a ventilation gap, meanwhile, a plurality of plugging sheet plugging sheets which are elastically buckled at the inner end parts of the radiating fins are arranged at the inner wall of the radiating shell and are plugged at the inner sides of the ventilation gap, a plurality of plugging sheets are plugged at the inner ends of the ventilation gaps one by one under the normal low-temperature state in a transformer body, the dustproof and waterproof effect is achieved under the condition of no heat radiation, when the temperature in the transformer body gradually rises and reaches the deformation temperature of a thermal deformation part, a shape memory spring is straightened from the initial spring state and pushes a magnetic suction plate to move to one side of the plugging sheets, the magnetic suction plate plays a magnetic attraction effect on the plugging sheets, the plugging sheets move to one side of the heat guide plate in an inclined manner, at the moment, the plugging sheets do not plug the radiating cavities, so as to realize the ventilation inside and outside the transformer, the ventilation area is enlarged according to actual needs, the heat dissipation effect is improved.
(2) The blocking piece is made of elastic materials, a buckling piece matched with the inner end wall of the radiating fin is arranged at one end, far away from the radiating shell, of the blocking piece, a plurality of radiating holes are further formed in the side wall of the blocking piece, a dustproof net is arranged at the position of the radiating hole, the magnetic attraction plate is pushed to the inner end of the movable cavity after the thermal deformation rod extends in a thermal deformation mode in the transformer body, the magnetic attraction plate is close to the ferromagnetic piece at the moment and plays a magnetic attraction role on the ferromagnetic piece, the blocking piece is made of elastic materials, so that one end, far away from the inner wall of the radiating shell, of the blocking piece inclines towards one side of the heat guide plate to be close to one side of the magnetic attraction plate, and after the buckling piece is separated from the radiating fin, the blocking piece does not play a blocking role on a ventilation gap at the radiating cavity, and therefore internal and external ventilation at the radiating cavity is achieved.
(3) Fixedly connected with establishes the magnetism piece that the piece position corresponds with the knot on the heat-conducting plate inner wall, tip is the arc structure in the fin, magnetism piece and knot are established the equal arc structure that sets into of piece, magnetism piece adopts magnetism material to make, it all has the flexible pad to detain and establishes the equal cladding of piece inner and outer wall, inside being in low temperature normal condition at transformer body, magnetism is inhaled the board and is close to heat pipe one side, magnetism is inhaled the board and is located magnetism piece one side of keeping away from in magnetism piece promptly, magnetism piece still plays certain magnetism effect of keeping away from to magnetism suction plate, thereby make the shutoff piece keep away from heat dissipation intracavity wall one end and can stably detain and locate the inside end wall department of fin, play certain shutoff effect.
(4) The hollow screen plate is provided with a plurality of circulation holes, one end of the piston, which is far away from the push rod, and the inside of the heat conduction pipe form a circulation cavity, heat conduction oil is overflowed into the circulation cavity to realize circulation of the heat conduction oil, so that heat in the transformer body is quickly transferred to the position of the thermal deformation part, the shape memory spring is made of shape memory alloy, the shape memory spring is in a spring state in a low-temperature state, the shape memory spring is in a spring state when the temperature in the transformer body is in a normal state, the magnetic attraction plate is abutted against the outer end part of the heat conduction pipe, when the temperature in the transformer body is gradually increased, the shape memory spring extends after reaching the shape temperature, the magnetic attraction plate is pushed to move towards the inner end of the movable cavity, and when the magnetic attraction plate crosses the magnetic isolation plate and moves to the position of the ferromagnetic plate, the magnetic attraction plate plays a magnetic attraction role on the blocking plate.
(5) The winding has the water-cooled tube on every heat conduction post, the water-cooled tube upper end runs through transformer body top and fixedly connected with filter tube, the water-cooled tube lower extreme runs through transformer body bottom and fixedly connected with sealing plug, the water-cooled tube is snakelike winding on the heat conduction post, water-cooled tube fixed connection on the heat conduction post is all avoided to a plurality of conducting strips and heat pipe, the water-cooled tube adopts the heat conduction material to make, the water-cooled tube lower extreme extends to the heat dissipation shell bottom outside, through addding the water-cooled tube, a storage effect is played the natural rainwater, the water-cooled tube that the storage has the rainwater is in order to further improve the radiating effect.
Drawings
FIG. 1 is a partial cross-sectional view of the present invention;
FIG. 2 is an external perspective view of the present invention;
FIG. 3 is a partial cross-sectional view of the junction of the transformer body and the heat sink shell and the plurality of heat sinks of the present invention;
FIG. 4 is an external view of the heat dissipation housing of the present invention;
FIG. 5 is a schematic view of the inside of the heat dissipation case of the present invention;
FIG. 6 is a schematic view of a portion of the structure of the joint between the heat dissipation shell and the heat conduction post and the heat dissipation plate of the present invention;
FIG. 7 is a partial structural view of the joint of the heat-conducting post, the heat sink and the heat-conducting plate according to the present invention;
FIG. 8 is a top view of the junction of the heat sink shell and the heat conductive post and heat sink of the present invention;
FIG. 9 is an internal view of the junction of the heat dissipation housing, the heat conduction post and the heat sink of the present invention;
FIG. 10 is an internal view of the heat-conducting post and heat sink junction of the present invention;
fig. 11 is a schematic view showing a state of the heat deformable member of the present invention in a high temperature environment.
The reference numbers in the figures illustrate:
1 transformer body, 2 heat dissipation shells, 201 heat dissipation cavities, 3 heat dissipation fins, 4 heat conduction columns, 5 water cooling pipes, 501 filter pipes, 502 sealing plugs, 6 heat conduction plates, 601 movable cavities, 602 magnetism isolating sheets, 7 heat conduction sheets, 8 heat conduction pipes, 9 sealing sheets, 901 heat dissipation holes, 902 buckling sheets, 903 ferromagnetic sheets, 10 hollow net plates, 11 shape memory springs, 12 pistons, 13 push rods and 14 magnetic suction plates.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-3, an overheat deformation ventilation transformer comprises a transformer body 1, a heat dissipation case 2 connected to the inside of the transformer body 1 is installed at both left and right ends of the transformer body 1, a plurality of heat dissipation cavities 201 are formed on the outer end wall of the heat dissipation case 2, a heat dissipation sheet 3 penetrating through the inside and outside of each heat dissipation cavity 201 is installed in each heat dissipation cavity 201, the upper and lower ends of each heat dissipation sheet 3 are respectively connected to the upper and lower inner walls of the heat dissipation cavity 201, ventilation gaps are formed between the heat dissipation sheet 3 and the left and right walls of the heat dissipation cavity 201, a plurality of heat conduction plates 6 distributed at intervals with the plurality of heat dissipation cavities 201 are fixedly connected to the inner wall of the heat dissipation case 2, two adjacent heat conduction plates 6 are symmetrically arranged at both left and right sides of the heat dissipation sheet 3, referring to fig. 7-8, plugging sheets 9 are installed at both left and right sides of each heat dissipation sheet 3, the plugging sheets 9 are fixedly connected to the inner walls of the heat dissipation cavities 201, and the heat conduction plates 9 are fixed points, one end of the plugging sheet 9, which is far away from the heat dissipation cavity 201, inclines outwards and is elastically buckled on the inner end wall of the heat dissipation sheet 3, the plugging sheet 9 can perform inclined motion around the fixed point, and in a normal state, the inner end of the plugging sheet 9 is buckled on the inner end wall of the heat dissipation sheet 3 to play a role in plugging the heat dissipation cavity 201;
referring to fig. 9-11, a ferromagnetic plate 903 is embedded on an end wall of the plugging piece 9 close to one side of an inner end of the heat sink 3, a plurality of heat conduction columns 4 corresponding to positions of the heat conduction plate 6 are fixedly connected inside the transformer body 1, upper and lower ends of the heat conduction columns 4 are all connected with the inner end wall of the heat conduction plate 6 through a plurality of heat conduction sheets 7, a plurality of heat conduction pipes 8 are fixedly communicated with a side wall of the middle part of the heat conduction columns 4, the heat conduction columns 4 are filled with heat conduction oil, a movable cavity 601 corresponding to positions of the plurality of heat conduction pipes 8 is formed inside the heat conduction plate 6, inner ends of the plurality of heat conduction pipes 8 all extend to the inner side of the movable cavity 601, a thermal deformation member is arranged inside each of the plurality of heat conduction pipes 8, one end of the plurality of thermal deformation members far away from the heat conduction columns 4 penetrates through the heat conduction pipes 8 and is fixedly connected with a magnetic absorption plate 14 magnetically attracted with the ferromagnetic plate 903, the magnetic absorption plate 14 is movably connected to the inner side of the movable cavity 601, a movable space is reserved between the inner end of the movable cavity 601 and the heat conduction pipe 8, the movable space is arranged near one side of the ferromagnetic plate 903, the position of the magnetic suction plate 14 is changed after deformation by using a thermal deformation member, and the magnetic suction plate 14 is used for magnetically sucking the plugging sheet 9 to change the position after being near the ferromagnetic plate 903.
The blocking piece 9 is made of elastic material, one end of the blocking piece 9 far away from the heat dissipation shell 2 is provided with a buckling piece 902 matched with the inner end wall of the heat dissipation plate 3, the side wall of the blocking piece 9 is also provided with a plurality of heat dissipation holes 901, and the positions of the heat dissipation holes 901 are provided with dust screens, under the normal state, the blocking piece 9 is elastically buckled on the heat dissipation plate 3 to play a role in blocking the heat dissipation cavity 201, so that a certain dustproof and waterproof role is played under the condition of no heat dissipation, the arranged heat dissipation holes 901 are beneficial to the ventilation and heat dissipation of a small range of the transformer body 1, under the high-temperature environment in the transformer body 1, after a thermal deformation rod is thermally deformed and extended, the magnetic suction plate 14 is pushed to the inner end of the movable cavity 601, at the moment, the magnetic suction plate 14 is close to the ferromagnetic plate 903, the magnetic suction plate 14 plays a magnetic suction role on the ferromagnetic plate 903, because the blocking piece 9 is made of elastic material, so that one end of the blocking piece 9 far away from the inner wall of the heat dissipation shell 2 is inclined and close to one side of the heat dissipation shell 6, after the fastening piece 902 is separated from the heat sink 3, the plugging piece 9 no longer plugs the ventilation gap at the heat dissipation cavity 201, thereby enlarging the ventilation area, and realizing the ventilation inside and outside the heat dissipation cavity 201.
Referring to fig. 10-11, the thermal deformation member includes a hollow mesh plate 10 fixedly embedded at one end of the heat conduction pipe 8 close to the heat conduction column 4, one end of the hollow mesh plate 10 far away from the heat conduction column 4 is fixedly connected with a piston 12 through a shape memory spring 11, one end of the piston 12 far away from the shape memory spring 11 penetrates through the heat conduction pipe 8 through a push rod 13 and is connected with a magnetic suction plate 14, a plurality of circulation holes are formed in the hollow mesh plate 10, one end of the piston 12 far away from the push rod 13 and the inside of the heat conduction pipe 8 form a circulation cavity, and the heat conduction oil is filled in the circulation cavity to realize circulation of the heat conduction oil, so as to quickly transfer heat in the transformer body 1 to the thermal deformation member, the thermal deformation extension of the thermal deformation member in a high temperature environment is used to push the magnetic suction plate 14, and then the magnetic attraction effect of the magnetic suction plate 14 on the blocking piece 9 is used to make the blocking piece 9 separate from the initial blocking position.
The shape memory spring 11 is made of shape memory alloy, the shape memory spring 11 is in a spring phase state at low temperature, when the temperature in the transformer body 1 is in a normal state, the shape memory spring 11 is in a spring state, the magnetic attraction plate 14 is abutted against the outer end part of the heat conduction pipe 8, when the temperature in the transformer body 1 is gradually increased, the shape memory spring 11 is extended after reaching the shape temperature, the magnetic attraction plate 14 is pushed to move towards the inner end of the movable cavity 601, when the magnetic attraction plate 14 passes over the magnetism isolating sheet 602 and moves to the position of the ferromagnetic sheet 903, the magnetic attraction plate 14 plays a magnetic attraction role on the blocking sheet 9, after the temperature is gradually reduced, the shape memory spring 11 is slowly restored to the original spring state, the magnetic attraction plate 14 is pulled to return to the original position, at this time, because the magnetic attraction effect of the magnetic attraction plate 14 on the ferromagnetic sheet 903 is weakened, the blocking sheet 9 is re-buckled on the inner end wall of the heat radiation fin 3 under the elastic effect, thereby re-blocking the heat dissipation chamber 201.
Fixedly connected with and detain on 6 inner walls of heat-conducting plate establishes piece 902 position corresponding magnetic separation piece 602, the tip is the arc structure in the fin 3, magnetic separation piece 602 and knot are established the equal arc structure that sets up into of piece 902, magnetic separation piece 602 adopts and separates magnetic material to make, it all wraps the flexible pad to detain and establish the piece 902 inside and outside the wall, when blocking piece 9 to the slope of 6 one side of heat-conducting plate, detain and establish piece 902 and laminate on magnetic separation piece 602, stability is improved, under transformer body 1 is inside to be in low temperature normal condition, magnetism suction plate 14 is close to heat pipe 8 one side, magnetism suction plate 14 is located magnetic separation piece 602 and keeps away from ferromagnetic plate 903 one side promptly, magnetic separation piece 602 still plays certain magnetic isolation effect to magnetism suction plate 14, thereby make blocking piece 9 keep away from the one end of heat dissipation chamber 201 inner wall can stably detain and locate 3 inside end wall departments of fin, play certain shutoff effect.
Please refer to fig. 1 and fig. 2-6, in addition, it is to be supplemented that a water-cooled tube 5 is wound on each heat conduction column 4, the upper end of the water-cooled tube 5 runs through the top of the transformer body 1 and is fixedly connected with a filter tube 501, the lower end of the water-cooled tube 5 runs through the bottom of the transformer body 1 and is fixedly connected with a sealing plug 502, the water-cooled tube 5 is wound on the heat conduction column 4 in a serpentine shape, the plurality of heat conduction fins 7 and the heat conduction tubes 8 are all kept away from the water-cooled tube 5 and are fixedly connected to the heat conduction column 4, the water-cooled tube 5 is made of heat conduction material, the lower end of the water-cooled tube 5 extends to the outside of the bottom end of the heat dissipation shell 2, by additionally arranging the water-cooled tube 5, the water-cooled tube 5 is used for storing natural rainwater, and the water-cooled tube 5 storing rainwater is used for further improving the heat dissipation effect.
The heat radiating fins 3 are additionally arranged at the plurality of heat radiating cavities 201, ventilation gaps are formed between the left end and the right end of each heat radiating fin 3 and the heat radiating cavities 201, meanwhile, a plurality of plugging sheets 9 which are elastically buckled at the inner end parts of the heat radiating fins 3 are arranged at the inner wall of the heat radiating shell 2, and the heat conducting plates 6 and the heat conducting columns 4 which are mutually connected are arranged at the inner side of the heat radiating shell 2, so that the plurality of plugging sheets 9 are plugged at the inner ends of the ventilation gaps one by one under the normal low-temperature state in the transformer body 1, and a certain dustproof and waterproof effect is achieved under the condition of no heat radiation;
when the temperature in the transformer body 1 gradually rises to reach the deformation temperature of the thermal deformation part, the shape memory spring 11 is straightened from the initial spring state and pushes the magnetic suction plate 14 to move towards one side of the blocking piece 9 along the movable cavity 601, when the magnetic suction plate 14 crosses the magnetic separation sheet 602 and is close to the ferromagnetic sheet 903, the magnetic suction plate 14 plays a magnetic attraction role on the blocking piece 9, the blocking piece 9 is far away from the radiating fin 3 and moves towards one side of the heat guide plate 6 in an inclined manner, and the buckling sheet 902 is attached to the magnetic separation sheet 602, at the moment, the blocking piece 9 does not play a blocking role on the radiating cavity 201 any more, so that the inside and outside ventilation of the transformer body 1 is realized, and the contact type matching of the heat conduction column 4, the heat conduction plate 6, the radiating shell 2 and the radiating fin 3 also plays a certain heat transfer role.
The components used in the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (10)
1. The utility model provides an overheated deformation ventilation type transformer, includes transformer body (1), heat dissipation shell (2) rather than inside being linked together are all installed to transformer body (1) left and right ends, a plurality of heat dissipation chambeies (201), its characterized in that have been seted up on heat dissipation shell (2) outer end wall: each heat dissipation cavity (201) is internally provided with a heat dissipation fin (3) which penetrates through the inside and the outside, and the heat dissipation fins (3) and the left and right walls of the heat dissipation cavity (201) form ventilation gaps, the inner wall of the radiating shell (2) is fixedly connected with a plurality of heat conducting plates (6) which are distributed at intervals with a plurality of radiating cavities (201), two adjacent heat conducting plates (6) are symmetrically arranged at the left side and the right side of the radiating fin (3), the left side and the right side of each radiating fin (3) are respectively provided with a plugging sheet (9), the plugging sheets (9) are fixedly connected on the inner wall of the radiating cavities (201), and the plugging sheet (9) is arranged between the heat conducting plate (6) and the heat dissipation cavity (201), one end of the plugging sheet (9) far away from the heat dissipation cavity (201) inclines outwards and is elastically buckled on the inner end wall of the heat dissipation sheet (3), a ferromagnetic sheet (903) is embedded in the end wall of the plugging sheet (9) close to one side of the inner end part of the radiating fin (3);
a plurality of heat conducting columns (4) corresponding to the heat conducting plates (6) are fixedly connected in the transformer body (1), the upper end and the lower end of the heat conducting column (4) are connected with the inner end wall of the heat conducting plate (6) through a plurality of heat conducting fins (7), a plurality of heat conducting pipes (8) are fixedly communicated with the side wall of the middle part of the heat conducting column (4), the heat conduction device is characterized in that heat conduction oil is filled in the heat conduction column (4), a movable cavity (601) corresponding to the positions of the heat conduction pipes (8) is formed in the heat conduction plate (6), the inner ends of the heat conduction pipes (8) extend to the inner side of the movable cavity (601), thermal deformation pieces are arranged in the heat conduction pipes (8), one ends, far away from the heat conduction column (4), of the thermal deformation pieces penetrate through the heat conduction pipes (8) and are fixedly connected with magnetic suction plates (14) magnetically attracted with ferromagnetic pieces (903), and the magnetic suction plates (14) are movably connected to the inner side of the movable cavity (601);
the thermal deformation piece is including fixed cavity otter board (10) of locating heat pipe (8) and being close to heat conduction post (4) one end of inlaying, heat conduction post (4) one end is kept away from in cavity otter board (10) one end through shape memory spring (11) fixedly connected with piston (12), shape memory spring (11) one end is kept away from in piston (12) runs through heat pipe (8) and is connected with magnetism suction disc (14) through push rod (13).
2. An overheated transformational ventilation type transformer as set forth in claim 1, wherein: the blocking piece (9) is made of elastic materials, and one end, far away from the heat dissipation shell (2), of the blocking piece (9) is provided with a buckling piece (902) matched with the inner end wall of the heat dissipation piece (3).
3. An overheated transformational ventilation type transformer as set forth in claim 2, wherein: a plurality of heat dissipation holes (901) are further formed in the side wall of the plugging sheet (9), and dust screens are arranged at the heat dissipation holes (901).
4. An overheated transformational ventilation type transformer as set forth in claim 1, wherein: the heat-conducting plate (6) is characterized in that the inner wall of the heat-conducting plate (6) is fixedly connected with a magnetism isolating sheet (602) corresponding to the position of the buckling sheet (902), the inner end part of the radiating fin (3) is of an arc-shaped structure, and the magnetism isolating sheet (602) and the buckling sheet (902) are also arranged into the arc-shaped structure.
5. An overheated transformational ventilation type transformer as set forth in claim 4, wherein: the magnetism isolating sheet (602) is made of magnetism isolating materials, and flexible pads are coated on the inner wall and the outer wall of the buckling sheet (902).
6. An overheated transformational ventilation type transformer as set forth in claim 1, wherein: the hollow screen plate (10) is provided with a plurality of circulation holes, one end of the piston (12) far away from the push rod (13) and the inside of the heat conduction pipe (8) form a circulation cavity, and the heat conduction oil overflows into the circulation cavity.
7. An overheated transformational ventilation type transformer as set forth in claim 1, wherein: the shape memory spring (11) is made of shape memory alloy, and the shape memory spring (11) is in a spring phase state at a low temperature.
8. An overheated transformational ventilation type transformer as set forth in claim 1, wherein: every the winding has water-cooled tube (5) on heat conduction post (4), water-cooled tube (5) upper end runs through transformer body (1) top and fixedly connected with filter tube (501), water-cooled tube (5) lower extreme runs through transformer body (1) bottom and fixedly connected with sealing plug (502).
9. An overheated transformational ventilation type transformer as set forth in claim 1, wherein: the water-cooling pipe (5) is coiled on the heat conducting column (4) and is a plurality of the heat conducting fins (7) and the heat conducting pipes (8) are fixedly connected to the heat conducting column (4) in a mode of avoiding the water-cooling pipe (5).
10. An overheated transformational ventilation type transformer as set forth in claim 1, wherein: the water-cooling pipe (5) is made of heat conduction materials, and the lower end of the water-cooling pipe (5) extends to the outer side of the bottom end of the heat dissipation shell (2).
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| CN202111471562.0A CN114373600A (en) | 2021-12-06 | 2021-12-06 | Overheated deformation ventilation type transformer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111471562.0A CN114373600A (en) | 2021-12-06 | 2021-12-06 | Overheated deformation ventilation type transformer |
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| CN114373600A true CN114373600A (en) | 2022-04-19 |
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| CN202111471562.0A Pending CN114373600A (en) | 2021-12-06 | 2021-12-06 | Overheated deformation ventilation type transformer |
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