Box-type transformer with anti-icing protective cover

Abstract

The invention relates to the technical field of transformers, and discloses a box-type transformer with an anti-icing protective cover, which comprises a box body, a protective cover, a first buffer assembly, a second buffer assembly, a third buffer assembly, a transformer body and a fan, the protective cover is arranged at the top of the box body; the protective cover comprises a protective cover top plate, an ice crushing piece and a protective cover bottom plate; the protective cover top plate is an arc-shaped plate, and the two ends of the protective cover top plate are connected to the protective cover bottom plate. The ice crushing piece movably penetrates through the protective cover top plate; the first buffer assembly is used for connecting the ice crushing piece and the protective cover bottom plate; the second buffer assembly and the third buffer assembly are both used for connecting the protective cover and the box body; the transformer body and the fan are both arranged in the box body, and the fan is located above the transformer body; and the fan is used for discharging heat in the box body from the top of the box body. According to the technical scheme, falling ice is buffered through the protective cover, the transformer can be effectively protected, and the transformer is prevented from being smashed by the falling ice.

Description

Technical Field

[0001] The present invention relates to the technical field of transformers, and particularly relates to a box-type transformer with an anti-ice-falling protective cover. Background Art

[0002] A box-type transformer (hereinafter referred to as "box transformer") is a power equipment that integrates a transformer and its supporting equipment in a closed metal box body, and is widely used in a distribution system. It has the advantages of compact structure, convenient installation, simple maintenance, etc., and is suitable for various occasions such as urban power grids, industrial areas, and residential areas.

[0003] In a wind farm, the box transformer voltage is generally located below the wind turbine. The outer surface of the wind turbine is likely to be covered with ice under the influence of winter snowfall. Due to the high installation position of the wind turbine, the falling ice on the wind turbine blades, hub, and nacelle will generate a large impact force. If the ice block hits the box transformer, it will cause the box transformer to deform at least, and at worst, it will break through the top of the box transformer and damage the internal equipment. Therefore, it is particularly important to add an anti-smashing device to the box transformer. However, the existing anti-smashing devices often have poor anti-smashing effects due to insufficient buffering force for impact. Therefore, the present invention proposes a box-type transformer with an anti-ice-falling protective cover to prevent the box-type transformer from being damaged by falling ice. Summary of the Invention

[0004] The main object of the present invention is to provide a box-type transformer with an anti-ice-falling protective cover to solve the problems raised in the above background art, so as to prevent the box-type transformer from being damaged by falling ice.

[0005] To achieve the above object, the box-type transformer with an anti-ice-falling protective cover proposed by the present invention includes a box body, a protective cover, a first buffer assembly, a second buffer assembly, a third buffer assembly, a transformer body, and a fan; the protective cover is arranged on the top of the box body; the protective cover includes a protective cover top plate, an ice-breaking member, and a protective cover bottom plate; the protective cover top plate is an arc-shaped plate, and both ends of the protective cover top plate are connected to the protective cover bottom plate; the ice-breaking member is movably penetrated through the protective cover top plate for breaking the falling ice blocks; the protective cover bottom plate is parallel to the top wall of the box body; the first buffer assembly is used to connect the ice-breaking member and the protective cover bottom plate; the second buffer assembly and the third buffer assembly are both used to connect the protective cover and the box body; the transformer body and the fan are both arranged in the box body, and the fan is located above the transformer body; the fan is used to discharge the heat in the box body from the top of the box body.

[0006] Preferably, a plurality of through holes are formed through the top plate of the protective cover, and the through holes are arranged at equal intervals along the axial direction of the top plate of the protective cover; the ice crushing member includes an ice crushing member bottom plate, a connecting plate and a collision portion; the ice crushing member bottom plate is an arc-shaped plate, and the top wall of the ice crushing member bottom plate can be in fitting contact with the bottom wall of the top plate of the protective cover; the number of the connecting plates is multiple, and the connecting plates are arranged at equal intervals on the top wall of the ice crushing member bottom plate; the connecting plates correspond to the through holes one by one, and the connecting plates are movably inserted through the corresponding through holes; the tangent planes of the outer walls of the top plate of the protective cover are all perpendicular to the connecting plates; the collision portion is arranged at one end of the connecting plate away from the ice crushing member bottom plate; the vertical section of the collision portion is conical, and the bottom of the collision portion can be in fitting contact with the top wall of the top plate of the protective cover; the collision portion is used for hitting and crushing ice cubes.

[0007] Preferably, the first buffer assembly includes two first springs symmetrically distributed with respect to the midline of the ice crushing member bottom plate; one end of each first spring is connected to the bottom wall of the ice crushing member bottom plate, and the other end is connected to the top wall of the protective cover bottom plate; the first springs are always in a compressed state, and the elastic force of the first springs causes the ice crushing member bottom plate to tend to abut against the top plate of the protective cover; the number of the first buffer assemblies is multiple, and the multiple first buffer assemblies are arranged at equal intervals along the axial direction of the ice crushing member bottom plate.

[0008] Preferably, the second buffer assembly includes two first connection seats, two first connecting rods, two sliders, two second connection seats, one second connecting rod and one second spring; the two first connection seats are symmetrically arranged on the bottom wall of the protective cover bottom plate; the two second connection seats are symmetrically arranged on the top wall of the box body; one end of the second connecting rod is fixedly connected to one of the second connection seats, and the other end is fixedly connected to the other second connection seat; the slider and the second spring are both slidably sleeved on the second connecting rod; one end of the second spring is connected to one of the sliders, and the other end is connected to the other slider; the two first connecting rods are respectively located on both sides of the second spring; one end of one of the first connecting rods is rotatably connected to one of the first connection seats, and the other end is rotatably connected to one of the sliders; one end of the other first connecting rod is rotatably connected to the other first connection seat, and the other end is rotatably connected to the other slider; the second spring is always in a compressed state, and the elastic force of the second spring causes the two sliders to tend to move away from each other, so that the protective cover has a tendency to rise; the number of the second buffer assemblies is multiple, and the multiple second buffer assemblies are arranged at equal intervals along the axial direction of the protective cover bottom plate.

[0009] Preferably, the third buffer assembly includes a through rod, a third spring, a mounting plate, and a nut; the mounting plate is vertically connected to the side wall of the box body, and the mounting plate is parallel to the bottom plate of the protective cover; one end of the through rod is vertically connected to the bottom wall of the bottom plate of the protective cover, and the other end passes through the mounting plate; the third spring is sleeved on the through rod, and the third spring is located between the bottom plate of the protective cover and the mounting plate; an external thread matching the nut is provided at the end of the through rod away from the bottom plate of the protective cover, the nut is threadedly connected to the through rod, and the nut is located on the side of the mounting plate away from the third spring; the third spring is always in a compressed state, and the elastic force of the third spring makes the protective cover tend to rise; there are at least 4 third buffer assemblies, and the 4 third buffer assemblies are respectively located at the four corners of the bottom plate of the protective cover.

[0010] Preferably, a bearing plate is horizontally arranged inside the box body, a mounting groove is formed by concave inward in the middle of the bearing plate, and the fan is arranged in the mounting groove; an opening is formed through the bottom of the mounting groove, and the air inlet of the fan faces the opening; the air outlet of the fan is communicated with two ventilation pipes; the ventilation pipes penetrate through the top wall of the box body, and the two ventilation pipes are symmetrically distributed on both sides of the top wall of the box body; the outlets of the two ventilation pipes both face the middle of the bottom plate of the protective cover.

[0011] Preferably, the bottom of the box body is detachably connected with a mounting frame, and the transformer body is arranged on the mounting frame; connecting parts are arranged on both sides of the mounting frame, and the connecting parts are connected with the box body through bolts; two slide rails are symmetrically arranged at the bottom of the mounting frame, and two sliding grooves are arranged on the inner bottom wall of the box body; the slide rails and the sliding grooves correspond one by one, and the slide rails are slidably arranged in the corresponding sliding grooves.

[0012] Preferably, support assemblies are symmetrically arranged on opposite sides of the box body, and the number of the support assemblies is at least 2; the support assembly includes a third mounting seat, a third connecting rod, and an abutting plate; the third mounting seat is arranged on the outer side wall of the box body, one end of the third connecting rod is connected to the third mounting seat, and the other end is connected to the abutting plate; the abutting plate can abut against the ground.

[0013] Preferably, a box door is arranged on one side wall of the box body; an air inlet grille is arranged at the lower part of the box door.

[0014] Preferably, pulleys are arranged at the bottom of the box body, the pulleys are shock-absorbing universal wheels, and the pulleys are provided with brakes.

[0015] In the technical solution of the present invention, a protective cover is provided on the top of the box body. The protective cover includes an arc-shaped protective cover top plate, protective cover bottom plates connecting both ends of the protective cover top plate, and an ice-breaking member movably penetrating through the protective cover top plate. Designing the protective cover top plate into an arc shape is beneficial to improving the structural strength, thereby enhancing the ability to withstand the impact of ice blocks. Moreover, the arc-shaped protective cover top plate is beneficial to reducing the accumulation of ice and snow. The ice-breaking member movably penetrating through the protective cover top plate can first contact the falling ice blocks and break them, thereby reducing the impact force borne by the protective cover top plate. The first buffer assembly is connected to the ice-breaking member and the protective cover bottom plate, and can provide buffering when the ice-breaking member contacts the ice blocks, thereby discharging a part of the impact force. The second buffer assembly and the third buffer assembly are both used to connect the protective cover and the box body to support the protective cover and provide buffering when the protective cover withstands impact, thereby avoiding damage to the protective cover and further protecting the box body. The transformer body and the fan are both arranged inside the box body, and the fan can discharge the heat generated by the transformer body from the top of the box body, which is beneficial to preventing the protective cover and each buffer assembly arranged on the top of the box body from icing. In summary, the box-type transformer with an anti-ice-falling protective cover can improve the protection ability of the transformer, effectively buffer the falling ice, and prevent the transformer from being damaged by the falling ice. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on the structures shown in these drawings.

[0017] Figure 1 It is a schematic external structure diagram of the box-type transformer with an anti-ice-falling protective cover of the present invention;

[0018] Figure 2 It is a schematic internal structure diagram of the box-type transformer with an anti-ice-falling protective cover of the present invention;

[0019] Figure 3 It is a schematic structure diagram of part A of the box-type transformer with an anti-ice-falling protective cover of the present invention;

[0020] Figure 4 It is a schematic structure diagram of the protective cover top plate of the box-type transformer with an anti-ice-falling protective cover of the present invention;

[0021] Figure 5 It is a schematic structure diagram of the ice-breaking member of the box-type transformer with an anti-ice-falling protective cover of the present invention;

[0022] Figure 6 It is a schematic structure diagram of the bearing plate of the box-type transformer with an anti-ice-falling protective cover of the present invention.

[0023] Description of the reference numerals in the drawings:

[0024] 1 - Box body; 2 - Box door; 201 - Air intake grille; 3 - Protective cover top plate; 301 - Pass-through opening; 4 - Ice crushing member; 401 - Ice crushing member bottom plate; 402 - Connecting plate; 403 - Collision part; 5 - First spring; 6 - Protective cover bottom plate; 601 - Water leakage hole; 7 - Passing rod; 8 - Third spring; 9 - Mounting plate; 10 - Nut; 11 - Third mounting seat; 12 - Third connecting rod; 13 - Abutting plate; 14 - Pulley; 15 - First connecting seat; 16 - First connecting rod; 17 - Slide block; 18 - Second connecting seat; 19 - Second connecting rod; 20 - Second spring; 21 - Fan; 211 - Ventilation pipe; 22 - Bearing plate; 221 - Mounting groove; 222 - Opening; 23 - Transformer body; 24 - Mounting frame; 25 - Slide rail; 26 - Chute.

[0025] The realization, functional features and advantages of the object of the present invention will be further described in conjunction with the embodiments with reference to the accompanying drawings. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

[0027] It should be noted that all the directional indications (such as up, down, left, right, front, back,...) in the embodiments of the present invention are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0028] In addition, the descriptions such as "first" and "second" in the present invention are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0029] In the present invention, unless otherwise clearly specified and defined, terms such as "connection" and "fixation" shall be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In addition, the technical solutions between various embodiments of the present invention can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present invention.

[0031] The present invention provides a box-type transformer with an anti-ice-falling protective cover.

[0032] Please refer to Figures 1 to 6 , the box-type transformer with an anti-ice-falling protective cover includes a box body 1, a protective cover, a first buffer assembly, a second buffer assembly, a third buffer assembly, a transformer body 23, and a fan 21; the protective cover is arranged on the top of the box body 1; the protective cover includes a protective cover top plate 3, an ice-breaking member 4, and a protective cover bottom plate 6; the protective cover top plate 3 is an arc-shaped plate, and both ends of the protective cover top plate 3 are connected to the protective cover bottom plate 6; the ice-breaking member 4 movably penetrates through the protective cover top plate 3 for breaking the fallen ice cubes; the protective cover bottom plate 6 is parallel to the top wall of the box body 1; the first buffer assembly is used to connect the ice-breaking member 4 and the protective cover bottom plate 6; the second buffer assembly and the third buffer assembly are both used to connect the protective cover and the box body 1; the transformer body 23 and the fan 21 are both arranged in the box body 1, and the fan 21 is located above the transformer body 23; the fan 21 is used to discharge the heat in the box body 1 from the top of the box body 1.

[0033] In the technical solution of the present invention, a protective cover is provided on the top of the box body 1. The protective cover includes an arc-shaped protective cover top plate 3, protective cover bottom plates 6 connecting both ends of the protective cover top plate 3, and an ice-breaking member 4 movably penetrating through the protective cover top plate 3. The design of the arc-shaped protective cover top plate 3 is beneficial to improving the structural strength, thereby enhancing the ability to withstand the impact of ice cubes. Moreover, the arc-shaped protective cover top plate 3 is conducive to reducing the accumulation of ice and snow. The ice-breaking member 4 movably penetrating through the protective cover top plate 3 can first contact the falling ice cubes and break them, thereby reducing the impact force borne by the protective cover top plate 3. The first buffer assembly connects the ice-breaking member 4 and the protective cover bottom plate 6, and can provide buffering when the ice-breaking member 4 contacts the ice cubes, thereby discharging a part of the impact force. The second buffer assembly and the third buffer assembly are both used to connect the protective cover and the box body 1 to support the protective cover and provide buffering when the protective cover is impacted, thereby avoiding damage to the protective cover and further protecting the box body 1. The transformer body 23 and the fan 21 are both arranged inside the box body 1, and the fan 21 can discharge the heat generated by the transformer body 23 from the top of the box body 1, which is beneficial to preventing the protective cover and each buffer assembly arranged on the top of the box body 1 from icing. In summary, the box-type transformer with an anti-ice-fall protective cover can improve the protection ability of the transformer, effectively buffer the falling ice, and prevent the transformer from being damaged by the falling ice.

[0034] Specifically, the horizontal projection of the protective cover can cover the box body 1, so as to ensure that the protective cover can block the falling ice cubes; the protective cover is detachably connected to the box body 1 to facilitate the replacement and maintenance of the protective cover; the first buffer group, the second buffer assembly, and the third buffer assembly are all multiple groups; the middle of the protective cover bottom plate 6 bulges slightly, which is beneficial to drainage and avoids the accumulation of rainwater on the protective cover bottom plate 6.

[0035] Furthermore, closed plates are provided at both ends of the protective cover, and water leakage holes 601 are penetrated through the protective cover bottom plate 6. Such a setting can increase the tightness of the protective cover, reduce the entry of rain and snow into the protective cover, and at the same time can discharge the rainwater entering the protective cover.

[0036] Furthermore, a vibrator is provided at the bottom of the protective cover bottom plate 6. The vibrator is used to vibrate the protective cover, thereby preventing the components of the protective cover from being affected by icing and affecting their functions, and at the same time being beneficial to shaking off the accumulated snow on the protective cover.

[0037] Preferably, a plurality of through - holes 301 are formed through the top plate 3 of the protective cover, and the through - holes 301 are arranged at equal intervals along the axial direction of the top plate 3 of the protective cover; the ice - crushing member 4 includes an ice - crushing member bottom plate 401, a connecting plate 402, and a collision portion 403; the ice - crushing member bottom plate 401 is an arc - shaped plate, and the top wall of the ice - crushing member bottom plate 401 can be in fitting contact with the bottom wall of the top plate 3 of the protective cover; the number of the connecting plates 402 is multiple, and the connecting plates 402 are arranged at equal intervals on the top wall of the ice - crushing member bottom plate 401; the connecting plates 402 correspond to the through - holes 301 one by one, and the connecting plates 402 are movably inserted through the corresponding through - holes 301; the tangent planes of each outer wall of the top plate 3 of the protective cover are perpendicular to the connecting plates 402; the collision portion 403 is arranged at one end of the connecting plate 402 away from the ice - crushing member bottom plate 401; the vertical section of the collision portion 403 is conical, and the bottom of the collision portion 403 can be in fitting contact with the top wall of the top plate 3 of the protective cover; the collision portion 403 is used for hitting and crushing ice cubes.

[0038] Specifically, the arc - shaped ice - crushing member bottom plate 401 can be in fitting contact with the top plate 3 of the protective cover, which can reduce rain and snow from entering the protective cover through the through - holes 301; the vertical section of the collision portion 403 being conical can cause the falling ice to break when it contacts the collision portion 403, thereby reducing the impact force; the tangent planes of each outer wall of the top plate 3 of the protective cover being perpendicular to the connecting plates 402 can enable the falling ice cubes to slide between the two connecting plates 402, preventing ice and snow from accumulating on the top of the protective cover.

[0039] Furthermore, a rubber gasket is arranged at the through - hole 301. The rubber gasket can be in abutment with the connecting plate 402 and the bottom of the collision portion 403, thereby increasing the tightness of the through - hole 301 and providing buffering when the bottom of the collision portion 403 is in fitting contact with the top wall of the top plate 3 of the protective cover.

[0040] Preferably, the first buffer assembly includes two first springs 5 symmetrically distributed with respect to the mid - line of the ice - crushing member bottom plate 401; one end of the first spring 5 is connected to the bottom wall of the ice - crushing member bottom plate 401, and the other end is connected to the top wall of the bottom plate 6 of the protective cover; the first spring 5 is always in a compressed state, and the elastic force of the first spring 5 causes the ice - crushing member bottom plate 401 to have a tendency to abut against the top plate 3 of the protective cover; the number of the first buffer assemblies is multiple, and the multiple first buffer assemblies are arranged at equal intervals along the axial direction of the ice - crushing member bottom plate 401.

[0041] The first spring 5 can provide buffering when the falling ice collides with the collision part 403, and the collision part 403 can break the falling ice. If the impact force is too large, the first spring 5 is compressed until the bottom of the collision part 403 is in contact with the top wall of the protective cover top plate 3. At this time, the impact force is transmitted to the protective cover top plate 3, causing the entire protective cover to move downward. Then, the second buffer assembly and the third buffer assembly can provide buffering for the protective cover. In this embodiment, there are 3 first buffer assemblies, and the 3 first buffer assemblies are respectively arranged in the middle and at both ends of the protective cover bottom plate 6.

[0042] Preferably, the second buffer assembly includes 2 first connection seats 15, 2 first connecting rods 16, 2 sliders 17, 2 second connection seats 18, 1 second connecting rod 19 and 1 second spring 20; the 2 first connection seats 15 are symmetrically arranged on the bottom wall of the protective cover bottom plate 6; the 2 second connection seats 18 are symmetrically arranged on the top wall of the box body 1; one end of the second connecting rod 19 is fixedly connected to one of the second connection seats 18, and the other end is fixedly connected to the other second connection seat 18; the slider 17 and the second spring 20 are both slidably sleeved on the second connecting rod 19; one end of the second spring 20 is connected to one of the sliders 17, and the other end is connected to the other slider 17; the 2 first connecting rods 16 are respectively located on both sides of the second spring 20; one end of one of the first connecting rods 16 is rotatably connected to one of the first connection seats 15, and the other end is rotatably connected to one of the sliders 17; the other end of the other first connecting rod 16 is rotatably connected to the other first connection seat 15, and the other end is rotatably connected to the other slider 17; the second spring 20 is always in a compressed state, and the elastic force of the second spring 20 causes the 2 sliders 17 to have a tendency to move away from each other, so that the protective cover has a tendency to rise; the number of the second buffer assemblies is multiple, and the multiple second buffer assemblies are equally spaced along the axis direction of the protective cover bottom plate 6.

[0043] When the protective cover moves downward, the first connecting rod 16 can push the 2 sliders 17 to approach each other, thereby compressing the second spring 20 to provide buffering for the protective cover. Specifically, the first connecting rod 16 is hinged to the first connection seat 15 and the slider 17 respectively. Removing the hinge shaft at the hinge point can separate the first connection seat 15 from the slider 17. In this embodiment, the number of the second buffer assemblies is 2.

[0044] Furthermore, the second connecting rod 19 is detachably connected to the second connection seat 18. Specifically, insertion holes are respectively formed through the middle parts of the 2 second connection seats 18, and the 2 insertion holes are directly opposite to each other; external threads are respectively arranged at both ends of the second connecting rod 19; both ends of the second connecting rod 19 respectively pass through the insertion holes and are connected to nuts, so that both ends of the second connecting rod are fixed to the second connection seat 18.

[0045] Preferably, the third buffer assembly includes a through rod 7, a third spring 8, a mounting plate 9 and a nut 10; the mounting plate 9 is vertically connected to the side wall of the box body 1, and the mounting plate 9 is parallel to the bottom plate 6 of the protective cover; one end of the through rod 7 is vertically connected to the bottom wall of the bottom plate 6 of the protective cover, and the other end passes through the mounting plate 9; the third spring 8 is sleeved on the through rod 7, and the third spring 8 is located between the bottom plate 6 of the protective cover and the mounting plate 9; an external thread matching the nut 10 is provided at one end of the through rod 7 away from the bottom plate 6 of the protective cover, the nut 10 is threadedly connected to the through rod 7, and the nut 10 is located on the side of the mounting plate 9 away from the third spring 8; the third spring 8 is always in a compressed state, and the elastic force of the third spring 8 makes the protective cover tend to rise; there are at least 4 third buffer assemblies, and the 4 third buffer assemblies are respectively located at the four corners of the bottom plate 6 of the protective cover.

[0046] When the protective cover moves downward, the bottom plate 6 of the protective cover compresses the third spring 8 to provide buffering for the protective cover. Specifically, unscrewing the nut 10 can separate the through rod 7 from the mounting plate 9. In this embodiment, there are 4 third buffer assemblies.

[0047] Preferably, a bearing plate 22 is horizontally arranged inside the box body 1, an installation groove 221 is formed in the middle of the bearing plate 22 in a concave shape, and the fan 21 is arranged in the installation groove 221; an opening 222 is formed through the bottom of the installation groove 221, and the air inlet of the fan 21 faces the opening 222; the air outlet of the fan 21 is communicated with two ventilation pipes 211; the ventilation pipes 211 penetrate through the top wall of the box body 1, and the two ventilation pipes 211 are symmetrically distributed on both sides of the top wall of the box body 1; the outlets of the two ventilation pipes 211 both face the middle of the bottom plate 6 of the protective cover.

[0048] The fan 21 transports the heat inside the box body 1 to the lower part of the protective cover, which is beneficial to avoiding icing of the dust-proof cover and each buffer assembly. Further, the air outlet of the ventilation pipe 211 is a diffused air outlet, such as a horn-shaped air outlet, so that the heat can be more evenly diffused at the bottom of the protective cover; a dust-proof cover is arranged at the air outlet of the ventilation pipe 211.

[0049] Preferably, a mounting frame 24 is detachably connected to the bottom of the box body 1, and the transformer body 23 is arranged on the mounting frame 24; connecting parts are arranged on both sides of the mounting frame 24, and the connecting parts are connected to the box body 1 through bolts; two sliding rails 25 are symmetrically arranged at the bottom of the mounting frame 24, and two sliding grooves 26 are arranged on the inner bottom wall of the box body 1; the sliding rails 25 and the sliding grooves 26 correspond to each other one by one, and the sliding rails 25 are slidably arranged in the corresponding sliding grooves 26.

[0050] The slide rail 25 and the chute 26 can provide a reference for the installation and fixation of the mounting frame 24, enabling it to quickly reach the accurate installation position. Further, a push rod is also provided inside the box body 1. The push rod can push the mounting frame 24 out of or pull it back into the box body 1 to facilitate the installation of the transformer body 23. Specifically, the fixed end of the push rod is fixedly connected to the inner wall of the box body 1, and the movable end of the push rod is fixedly connected to the mounting frame 24.

[0051] Preferably, support components are symmetrically arranged on opposite sides of the box body 1, and the number of the support components is at least two; the support components include a third mounting seat 11, a third connecting rod 12, and an abutting plate 13; the third mounting seat 11 is arranged on the outer side wall of the box body 1, one end of the third connecting rod 12 is connected to the third mounting seat 11, and the other end is connected to the abutting plate 13; the abutting plate 13 can abut against the ground.

[0052] The relative angle between the third connecting rod 12 and the third mounting seat 11, and the relative angle between the third connecting rod 12 and the abutting plate 13 can both be changed. Specifically, the abutting plate 13 is a rectangular plate; both ends of the third connecting rod 12 are respectively connected to the third mounting seat 11 and the abutting plate 13 through bolts. When the support component needs to support the box body 1, by adjusting the relative angles of the three, the abutting plate 13 is made to abut against the ground, thereby increasing the supporting force. In this embodiment, there are four support components, and the four support components are symmetrically arranged on both sides of the box body 1. When the support component does not need to support the box body 1, the third connecting rod 12 and the abutting plate 13 can be retracted to save space.

[0053] Further, an anti-slip measure, such as anti-slip lines, is provided on the side of the abutting plate 13 for contacting the ground to increase the friction force. Furthermore, a through hole is formed through the abutting plate 13. When the abutting plate 13 abuts against the ground, an anchor rod can be passed through the through hole to insert into the ground to further make the connection between the support component and the ground firm, thereby increasing the supporting force.

[0054] Preferably, a box door 2 is provided on one side wall of the box body 1; an air intake grille 201 is provided at the lower part of the box door 2. Specifically, the air intake grille 201 is detachably connected to the box door 2; a handle is provided in the middle of the box door 2.

[0055] Preferably, a pulley 14 is provided at the bottom of the box body 1. The pulley 14 is a shock-absorbing universal wheel, and a brake is provided on the pulley 14. Specifically, the number of the pulleys 14 is four, and the four pulleys 14 are respectively arranged at the four corners of the bottom wall of the box body 1.

[0056] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structural transformation made under the concept of the present invention by using the content of the specification and drawings of the present invention, or any direct / indirect application in other related technical fields, is included in the patent protection scope of the present invention.

Claims

1. A box-type transformer with an anti-ice drop protection cover, characterized in that: The invention comprises a box body (1), a protective cover, a first buffer component, a second buffer component, a third buffer component, a transformer body (23) and a fan (21); the protective cover is arranged on the top of the box body (1); the protective cover comprises a protective cover top plate (3), an ice crushing piece (4) and a protective cover bottom plate (6); the protective cover top plate (3) is an arc-shaped plate, and the two ends of the protective cover top plate (3) are connected to the protective cover bottom plate (6); the ice crushing piece (4) is movably arranged on the protective cover top plate (3) to crush fallen ice cubes; the protective cover The bottom plate (6) is parallel to the top wall of the box (1); the first buffer assembly is used to connect the ice crushing piece (4) and the bottom plate (6) of the protective cover; the second buffer assembly and the third buffer assembly are both used to connect the protective cover and the box (1); the transformer body (23) and the fan (21) are both arranged in the box (1), and the fan (21) is located above the transformer body (23); the fan (21) is used to discharge the heat in the box (1) from the top of the box (1).

2. The box-type transformer with an anti-icing protective cover according to claim 1 is characterized in that: The protective cover top plate (3) is provided with a plurality of through openings (301), and the through openings (301) are arranged at equal intervals along the axial direction of the protective cover top plate (3); the ice crushing piece (4) comprises an ice crushing piece bottom plate (401), a connecting plate (402) and a collision portion (403); the ice crushing piece bottom plate (401) is an arc-shaped plate, and the top wall of the ice crushing piece bottom plate (401) can be in close contact with the bottom wall of the protective cover top plate (3); the number of the connecting plates (402) is plural, and the connecting plates (402) are arranged at equal intervals on the top wall of the ice crushing piece bottom plate (401); The connecting plates (402) correspond to the through openings (301) one by one, and the connecting plates (402) are movably arranged in the corresponding through openings (301); each outer wall section of the protective cover top plate (3) is perpendicular to the connecting plate (402); the collision portion (403) is arranged at an end of the connecting plate (402) away from the ice crushing bottom plate (401); the vertical cross section of the collision portion (403) is conical, and the bottom of the collision portion (403) can be in close contact with the top wall of the protective cover top plate (3); the collision portion (403) is used for impacting and crushing ice cubes.

3. The box-type transformer with an anti-icing protection cover according to claim 2 is characterized in that: The first buffer component comprises two first springs (5) symmetrically distributed about the center line of the ice crushing piece bottom plate (401); one end of the first spring (5) is connected to the bottom wall of the ice crushing piece bottom plate (401), and the other end is connected to the top wall of the protective cover bottom plate (6); the first spring (5) is always in a compressed state, and the elastic force of the first spring (5) causes the ice crushing piece bottom plate (401) to have a tendency to abut against the protective cover top plate (3); the number of the first buffer components is multiple, and the multiple first buffer components are evenly spaced along the axial direction of the ice crushing piece bottom plate (401).

4. The box-type transformer with an anti-icing protection cover according to claim 1 is characterized in that: The second buffer assembly comprises two first connecting seats (15), two first connecting rods (16), two sliders (17), two second connecting seats (18), one second connecting rod (19) and one second spring (20); the two first connecting seats (15) are symmetrically arranged on the bottom wall of the protective cover bottom plate (6); the two second connecting seats (18) are symmetrically arranged on the top wall of the box body (1); one end of the second connecting rod (19) is fixedly connected to one of the second connecting seats (18), and the other end is fixedly connected to the other second connecting seat (18); the slider (17) and the second spring (20) are both slidably sleeved on the second connecting rod (19); one end of the second spring (20) is connected to one of the sliders (17), and the other end is connected to the other A slider (17); two first connecting rods (16) are respectively located on both sides of the second spring (20); one end of one of the first connecting rods (16) is rotatably connected to one of the first connecting seats (15), and the other end is rotatably connected to one of the sliders (17); one end of another first connecting rod (16) is rotatably connected to another first connecting seat (15), and the other end is rotatably connected to another slider (17); the second spring (20) is always in a compressed state, and the elastic force of the second spring (20) makes the two sliders (17) tend to move away from each other, so that the protective cover has a rising trend; the number of the second buffer components is multiple, and the multiple second buffer components are evenly spaced along the axial direction of the protective cover bottom plate (6).

5. The box-type transformer with an anti-icing protection cover according to claim 1 is characterized in that: The third buffer assembly comprises a through rod (7), a third spring (8), a mounting plate (9) and a nut (10); the mounting plate (9) is vertically connected to the side wall of the box body (1), and the mounting plate (9) is parallel to the protective cover bottom plate (6); one end of the through rod (7) is vertically connected to the bottom wall of the protective cover bottom plate (6), and the other end is passed through the mounting plate (9); the third spring (8) is sleeved on the through rod (7), and the third spring (8) is located between the protective cover bottom plate (6) and the mounting plate (9); An end of the through rod (7) away from the protective cover base plate (6) is provided with an external thread matching the nut (10), the nut (10) is threadedly connected to the through rod (7), and the nut (10) is located on a side of the mounting plate (9) away from the third spring (8); the third spring (8) is always in a compressed state, and the elastic force of the third spring (8) makes the protective cover have an upward tendency; there are at least four third buffer components, and the four third buffer components are respectively located at the four corners of the protective cover base plate (6).

6. The box-type transformer with an anti-icing protection cover according to claim 1, characterized in that: A carrying plate (22) is horizontally arranged inside the box body (1); a mounting groove (221) is formed in the middle of the carrying plate (22) in an inwardly concave manner; the fan (21) is arranged in the mounting groove (221); an opening (222) is formed through the bottom of the mounting groove (221); an air inlet of the fan (21) faces the opening (222); an air outlet of the fan (21) is connected to two ventilation pipes (211); the ventilation pipes (211) penetrate the top wall of the box body (1), and the two ventilation pipes (211) are symmetrically distributed on both sides of the top wall of the box body (1); and the outlets of the two ventilation pipes (211) are both oriented toward the middle of the bottom plate (6) of the protective cover.

7. The box-type transformer with an anti-icing protection cover according to claim 1 is characterized in that: The bottom of the box (1) is detachably connected to a mounting frame (24), and the transformer body (23) is arranged on the mounting frame (24); connecting parts are arranged on both sides of the mounting frame (24), and the connecting parts are connected to the box (1) through bolts; two slide rails (25) are symmetrically arranged at the bottom of the mounting frame (24), and two slide grooves (26) are arranged on the inner bottom wall of the box (1); the slide rails (25) correspond to the slide grooves (26) one by one, and the slide rails (25) are slidably arranged in the corresponding slide grooves (26).

8. The box-type transformer with an anti-icing protection cover according to claim 1, characterized in that: Support assemblies are symmetrically arranged on two opposite sides of the box body (1), and the number of the support assemblies is at least two; the support assembly comprises a third mounting seat (11), a third connecting rod (12) and an abutment plate (13); the third mounting seat (11) is arranged on the outer side wall of the box body (1), one end of the third connecting rod (12) is connected to the third mounting seat (11), and the other end is connected to the abutment plate (13); the abutment plate (13) can abut the ground.

9. The box-type transformer with an anti-icing protection cover according to claim 1, characterized in that: A box door (2) is provided on one side wall of the box body (1); an air intake grille (201) is provided at the lower part of the box door (2).

10. The box-type transformer with an anti-icing protection cover according to claim 1, characterized in that: A pulley (14) is provided at the bottom of the box body (1); the pulley (14) is a shock-absorbing universal wheel, and the pulley (14) is provided with a brake.

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