CN114898980A

CN114898980A - Environment-friendly transformer high temperature protection cabinet

Info

Publication number: CN114898980A
Application number: CN202210523080.3A
Authority: CN
Inventors: 周泽芬
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-08-12

Abstract

The invention discloses an environment-friendly transformer high-temperature protection cabinet which comprises a cabinet body, wherein an upper cavity and a lower cavity which are communicated are respectively arranged in the cabinet body, a load-bearing table which extends into the lower cavity and is used for placing a transformer is fixedly arranged in the upper cavity, and a memory spring and a lifting lantern ring are respectively arranged at the lower end position of the load-bearing table which extends into the lower cavity. According to the invention, the cabinet body is internally provided with the upper cavity and the lower cavity, and the load platform for placing and supporting the transformer is provided with the lifting lantern ring elastically pulled by the memory spring, so that the lifting platform extrudes low-temperature cold water in the water bag, and the low-temperature cold water performs low-temperature cold compress on the upper cavity; the first air inlet and the second air inlet are formed to communicate the clamping groove with the lower cavity and the groove, and the driving gear and the rib driven by meshing are utilized in the lower cavity to rotate the supercharging wind wheel, so that the discharge of high-temperature hot gas in the lower cavity and the upper cavity is accelerated, and the high-temperature pressure in the cabinet body is reduced.

Description

Environment-friendly transformer high temperature protection cabinet

Technical Field

The invention relates to the technical field of power transformers, in particular to an environment-friendly transformer high-temperature protection cabinet.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil and an iron core, and the transformer mainly has the functions of voltage transformation, current transformation, impedance transformation, isolation and voltage stabilization. The traditional transformer is basically arranged outdoors in an exposed mode, is poor in impact resistance and is easy to damage due to external impact.

Along with the development of technique, adopt the metal cabinet body to carry out the suit to the transformer mostly, but because the transformer can produce high temperature heat in long-term working process, the radiating mode of the current inverter cabinet body generally is direct to set up the thermovent on the cabinet body, be used for the internal portion heat dissipation of cabinet, but passive form radiating effect is relatively poor, and because the window has been seted up in transformer cabinet self structure, make the dust very easily get into and form piling up on the transformer in the transformer cabinet, when the dust accumulation reaches certain degree, the partial position of converter function module, the heat dissipation will become very poor, just also appear easily because of the high temperature scheduling problem that burns out, the operation to the transformer has very serious safety influence.

Disclosure of Invention

The invention aims to solve the problem that the transformer is difficult to protect at high temperature in the prior art, and provides an environment-friendly transformer high-temperature protection cabinet.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an environment-friendly transformer high temperature protection cabinet, includes the cabinet body, set up the last cavity and the lower cavity that are linked together in the cabinet body respectively, and go up the cavity internal fixation and be provided with the load platform that extends to and be used for placing the transformer down in the cavity, the lower extreme position that the load platform extended to down in the cavity is provided with memory spring and the lift lantern ring respectively, and the pivot is connected with the traction connecting rod on the lift lantern ring, the cabinet body is provided with the water-cooling mechanism that can carry out reuse to the water source through cavity down, and the cabinet body is provided with the air-cooled mechanism that can carry out cold and hot replacement to the last cavity through cavity down.

Preferably, the memory spring is fixedly sleeved on the load-bearing table, and the lifting lantern ring fixedly connected with the memory spring is slidably sleeved at the lower end of the load-bearing table.

Preferably, the water cooling mechanism comprises a first bracket and a second bracket which are fixedly arranged in the lower cavity, a moving frame connected with a pin shaft of the traction connecting rod is slidably sleeved in the first support, a driving rack is integrally connected on the moving frame, a guide rod and a ball screw are respectively arranged on the second support and in the lower cavity, and the upper end of the ball screw is fixedly connected with a driven gear meshed with the driving rack, the ball screw is provided with a nut in a matching way, a moving rod is welded on the nut, a push block positioned on the guide rod is movably sleeved on the moving rod, a groove and a cooling cavity are respectively arranged in the side wall of the cabinet body, a water sac which is used for filling low-temperature cold water and is communicated with the cooling cavity is fixedly arranged in the upper end of the groove, the lower end of the groove is internally provided with a lifting platform which is abutted against the water bag in a sliding way, and a supporting rod is connected between the push block and the lifting platform through a pin shaft.

Preferably, the guide rod is obliquely and fixedly connected to two sides of the second bracket, and the ball screw vertically rotates in the middle end of the lower cavity.

Preferably, the groove is arranged on the side wall of the lower cavity, and the cooling cavity is arranged on the outer side of the upper cavity.

Preferably, the air cooling mechanism comprises a clamping groove which is arranged in the outer wall of the cabinet body and used for placing ice blocks, a first air inlet is communicated between the clamping groove and the lower cavity, a ventilation opening is communicated between the lower cavity and the upper cavity, a pressurizing wind wheel is rotationally arranged in the lower cavity, a driving gear and a rib driven gear which are connected in a meshed mode are fixedly sleeved on the ball screw and the pressurizing wind wheel respectively, a cover plate corresponding to the opening of the upper cavity is arranged at the top end of the cabinet body, and a top plate is connected to the cover plate in a threaded mode.

Preferably, the second air inlet is communicated between the clamping groove and the groove, the cover plate is of a hollow structure, and the top plate is located above the top opening of the cabinet body.

Compared with the prior art, the invention has the following advantages:

1. according to the invention, the cabinet body is internally provided with the upper cavity and the lower cavity, the load table for placing and supporting the transformer is provided with the lifting lantern ring which is elastically dragged by the memory spring, the lifting lantern ring which moves up and down horizontally drives the driving gear which is positioned in the lower cavity, and the rotating ball screw is utilized to drive the push block to move up and down so as to support the lifting table which is positioned in the groove, so that the lifting table extrudes low-temperature cold water in the water sac, and the low-temperature cold water entering the lower cavity is utilized to carry out low-temperature cold compress on the upper cavity.

2. According to the invention, the clamping groove for placing ice blocks is arranged in the outer side of the cabinet body, the first air inlet and the second air inlet are arranged to realize the communication of the clamping groove with the lower cavity and the groove, the rotation of the supercharging wind wheel is realized by utilizing the driving gear and the auxiliary gear which are in meshing transmission in the lower cavity, so that the external low-temperature cold air is accelerated to enter the lower cavity, the discharge of high-temperature hot air in the lower cavity and the upper cavity is accelerated, the high-temperature pressure in the cabinet body is reduced, and the heat dissipation maintenance is provided for the transformer.

In summary, the cabinet body is internally provided with the upper cavity and the lower cavity, the load table used for placing and supporting the transformer is provided with the lifting lantern ring elastically pulled by the memory spring, the driving gear in the lower cavity is horizontally driven by the lifting lantern ring moving up and down, the rotating ball screw is used for driving the push block to move up and down so as to support the lifting table in the groove, so that the lifting table extrudes low-temperature cold water in the water bag, and the low-temperature cold water carries out low-temperature cold compress on the upper cavity; the first air inlet and the second air inlet are formed to communicate the clamping groove with the lower cavity and the groove, the driving gear and the rib driven by meshing are utilized in the lower cavity to rotate the supercharging wind wheel from the gear, so that external low-temperature cold air enters the lower cavity, high-temperature hot air in the lower cavity and the upper cavity is accelerated to be discharged outwards, and high-temperature pressure in the cabinet body is reduced.

Drawings

FIG. 1 is a schematic structural diagram of an environment-friendly transformer high-temperature protection cabinet according to the present invention;

FIG. 2 is a front sectional view of the environment-friendly transformer high-temperature protection cabinet according to the present invention;

FIG. 3 is an enlarged schematic view of part A of the environment-friendly transformer high-temperature protection cabinet according to the present invention;

FIG. 4 is a right sectional view of the high temperature protection cabinet for an environment-friendly transformer according to the present invention;

fig. 5 is an enlarged schematic view of a part B of the environment-friendly transformer high-temperature protection cabinet according to the present invention.

In the figure: the device comprises a cabinet body 1, an upper cavity 2, a lower cavity 3, a load platform 4, a memory spring 5, a lifting lantern ring 6, a first support 7, a second support 8, a movable frame 9, a driving rack 10, a traction connecting rod 11, a guide rod 12, a ball screw 13, a driven gear 14, a nut 15, a movable rod 16, a push block 17, a groove 18, a cooling cavity 19, a water sac 20, a lifting platform 21, a supporting rod 22, a clamping groove 23, a second air inlet 24, a first air inlet 25, a pressurization wind wheel 26, a driving gear 27, a driven gear 28, a ventilation opening 29, a cover plate 30 and a top plate 31.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, an environment-friendly transformer high-temperature protection cabinet comprises a cabinet body 1, an upper cavity 2 and a lower cavity 3 which are communicated with each other are respectively arranged in the cabinet body 1, a load table 4 which extends into the lower cavity 3 and is used for placing a transformer is fixedly arranged in the upper cavity 2, a memory spring 5 and a lifting sleeve ring 6 are respectively arranged at the lower end position of the load table 4 which extends into the lower cavity 3, it should be noted that the load table 4 is of a T-shaped structure and has good thermal conductivity, high-temperature heat generated by the transformer 4 can be transmitted to the memory spring 5 through the load table 4, the memory spring 5 is made of nickel-titanium alloy, structural deformation can be realized when the temperature of the memory table reaches 41 ℃ through setting of a deformation temperature threshold value, the lifting sleeve ring 6 is driven to lift and move on the load table 4, and a traction connecting rod 11 is connected to a pin shaft on the lifting sleeve ring 6, the cabinet body 1 is provided with the water cooling mechanism that can carry out reuse to the water source through cavity 3 down, and the cabinet body 1 is provided with the air-cooled mechanism that can carry out the cold and hot replacement to last cavity 2 through cavity 3 down.

Further explanation is as follows:

the water cooling mechanism can enable the water in the cabinet body 1 to circulate back and forth between the cooling cavity 19 and the water bag 20, so that the water source entering the cooling cavity 19 has low-temperature property, and the high-temperature upper cavity 2 is subjected to low-temperature cold compress;

the air cooling mechanism can enable low-temperature cold air outside the cabinet body 1 to rapidly enter the lower cavity 3 and the upper cavity 2 so as to form alternation of the cold air inside and outside the cabinet body 1, thereby reducing the ambient temperature inside the upper cavity 2 of the cabinet body 1 and lightening the high-temperature pressure faced by the transformer.

The memory spring 5 is fixedly sleeved on the load table 4, the lifting lantern ring 6 fixedly connected with the memory spring 5 is slidably sleeved on the lower end of the load table 4, the memory spring 5 can sense the ambient temperature condition in the cabinet body 1 in real time, and when the temperature of the memory spring 5 is influenced by the ambient temperature condition in the cabinet body 1 to cause overhigh temperature or recover to a lower temperature, the structure of the memory spring 5 can change in shape according to the property of the memory spring 5.

It should be noted that:

in the first place, the first,

the water cooling mechanism comprises a first support 7 and a second support 8 which are fixedly arranged in a lower cavity 3, a moving frame 9 which is connected with a traction connecting rod 11 through a pin shaft is sleeved in the first support 7 in a sliding mode, a driving rack 10 is integrally connected onto the moving frame 9, a guide rod 12 and a ball screw 13 are respectively arranged on the second support 8 and in the lower cavity 3, a driven gear 14 which is meshed with the driving rack 10 is fixedly connected to the upper end of the ball screw 13, the driving rack 10 is horizontally moved, the driven gear 14 which is meshed with the driving rack is rotationally driven, the ball screw 13 is driven to rotate, a nut 15 is mounted on the ball screw 13 in a matched mode, a moving rod 16 is welded on the nut 15, a push block 17 which is located on the guide rod 12 is movably sleeved on the moving rod 16, a groove 18 and a cooling cavity 19 are respectively formed in the side wall of the cabinet body 1, and a water sac 20 which is used for filling low-temperature cold water and communicated with the cooling cavity 19 is fixedly arranged in the upper end of the groove 18 The lifting platform 21 which is abutted to the water bag 20 is slidably sleeved at the lower end of the groove 18, a supporting rod 22 is connected between the pushing block 17 and the lifting platform 21 through a pin shaft, the pushing block 17 moves up and down according to the guide rod 12, and the lifting platform 21 is lifted or driven to be drawn, so that a water source flows into the cooling cavity 19 or the water bag 20, and the water source is utilized at different positions.

The guide rod 12 is obliquely and fixedly connected to the two sides of the second support 8, the ball screw 13 vertically rotates in the middle end of the lower cavity 3, and the nut 15 drives the push block 17 to perform lifting motion on the guide rod 12 through the moving rod 16 by driving the ball screw 13 to rotate in two directions.

Recess 18 is seted up in cavity 3 lateral wall position down, and cooling chamber 19 is located the outer side position of upper chamber 2, it can be known with specific reference to description figure 2, press to water pocket 20 through carrying out different degrees in recess 18 to make the water source come and go the circulation between cooling chamber 19 and water pocket 20, utilize water pocket 20 to cool down the water source that is located it, make the water source keep the low temperature attribute, and the low temperature water source that is arranged in cooling chamber 19 can follow four side directions and carry out low temperature cold compress to upper chamber 2, and then reduce the interior ambient temperature of upper chamber 2.

In the second place, the first place is,

the air cooling mechanism comprises a clamping groove 23 which is arranged in the outer wall 1 of the cabinet body 1 and used for placing ice cubes, a first air inlet 25 is communicated between the clamping groove 23 and the lower cavity 3, it needs to be explained that a proper amount of ice cubes are placed in the clamping groove 23 regularly, so that air entering the cabinet body 1 through the clamping groove 23 is further cooled when passing through the ice cubes, thereby enhancing the cooling effect, a vent 29 is communicated between the lower cavity 3 and the upper cavity 2, a supercharging wind wheel 26 is rotationally arranged in the lower cavity 3, a driving gear 27 and a secondary gear 28 which are in meshing connection are respectively fixedly sleeved on the ball screw 13 and the supercharging wind wheel 26, a cover plate 30 corresponding to an opening of the upper cavity 2 is arranged at the top end of the cabinet body 1, a top plate 31 is in threaded connection with the cover plate 20, it needs to be explained that low-temperature cold air outside the cabinet body 1 can rapidly enter the lower cavity 3 and the upper cavity 2 under the rotation acceleration action of the supercharging wind wheel 26, so as to carry out pressure discharge on the high-temperature hot gas in the cabinet body 1, and further reduce the high-temperature pressure in the cabinet body 1.

The second air inlet 24 is communicated between the clamping groove 23 and the groove 18, the cover plate 30 is of a hollow structure, the top plate 31 is located at the position above the top opening of the cabinet body 1, high-temperature hot air in the upper cavity 2 is conveniently discharged outwards from a gap between the cover plate 20 and the top plate 31, and meanwhile the top plate 31 is utilized to provide a dust shielding and rain shielding effect for the cabinet body 1.

The invention can be illustrated by the following operating modes:

the transformer generates excessive heat in the continuous working process, so that the water body in the cooling cavity 19 is synchronously heated to become hot, the transformer simultaneously transfers the heat to the memory spring 5 through the loading platform 4, and when the memory spring 5 is heated to reach a deformation temperature threshold value, the structure of the memory spring is rapidly extended;

the memory spring 5 extends and expands to enable the lifting lantern ring 6 to move vertically downwards on the load-bearing table 4, and the lifting lantern ring 6 moving downwards drives the moving frame 9 through the traction connecting rod 11, so that the moving frame 9 drives the driving rack 10 to move horizontally on the first support 7;

the driving rack 7 drives the ball screw 13 to rotate through a driven gear 14 meshed and connected with the driving rack in the moving process, the ball screw 13 drives the nut 15 to move downwards in the rotating process, and the nut 15 drives the push block 17 to move upwards and downwards on the guide rod 12 through the moving rod 16;

the pushing block 17 which moves downwards pulls the lifting platform 21 to move downwards in the groove 18 through the supporting rod 22, so that the pressure on the water bag 20 is released, high-temperature water in the cooling cavity 19 flows back to the water bag 20, and the water bag 20 is gradually filled;

the low-temperature cold air outside the cabinet body 1 is cooled by the ice blocks in the clamping groove 23 and enters the groove 18 through the second air inlet 24, so that the water bag 20 and the high-temperature water in the interior are rapidly cooled;

the ball screw 13 drives the supercharging wind wheel 26 to rotate through a driving gear 27 and a flank driven gear 28 which are connected in a meshed manner in the rotating process, and the supercharging wind wheel 26 accelerates low-temperature cold air in the clamping groove 23 to enter the lower cavity 3 through the first air inlet 25 in the rotating process, so that high-temperature hot air in the lower cavity 3 and newly-fed low-temperature cold air enter the upper cavity 2 through the air inlet 29;

the high-temperature hot gas in the upper cavity 2 is discharged out of the cabinet body 1 through the cover plate 20 under the extrusion action of the low-temperature cold gas, so that the environmental temperature in the cabinet body 1 is reduced;

when the memory spring 5 is restored to the initial temperature condition, the memory spring 5 is structurally contracted, so that the lifting platform 21 moves upwards in the groove 18 to press the water bag 20, and the low-temperature water source in the water bag 20 flows back to the cooling cavity 19 to perform low-temperature cold compress on the upper cavity 2.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides an environment-friendly transformer high temperature protection cabinet, includes the cabinet body (1), its characterized in that, last cavity (2) and lower cavity (3) that are linked together are seted up respectively in the cabinet body (1), and goes up cavity (2) internal fixation and be provided with and extend to down in cavity (3) and be used for placing load platform (4) of transformer, the lower extreme position that load platform (4) extended to down in cavity (3) is provided with memory spring (5) and the lift lantern ring (6) respectively, and the pivot is connected with traction connecting rod (11) on the lift lantern ring (6), the cabinet body (1) is provided with the water-cooling mechanism that can carry out reuse to the water source through cavity (3) down, and the cabinet body (1) is provided with the air-cooled mechanism that can carry out cold and hot replacement to last cavity (2) through lower cavity (3).

2. The high-temperature protection cabinet for environment-friendly transformer as claimed in claim 1, wherein the memory spring (5) is fixedly sleeved on the load-carrying platform (4), and the lifting collar (6) fixedly connected with the memory spring (5) is slidably sleeved on the lower end of the load-carrying platform (4).

3. The environment-friendly transformer high-temperature protection cabinet according to claim 1, wherein the water cooling mechanism comprises a first support (7) and a second support (8) fixedly arranged in the lower cavity (3), a moving frame (9) connected with a traction connecting rod (11) through a pin is slidably sleeved in the first support (7), a driving rack (10) is integrally connected onto the moving frame (9), a guide rod (12) and a ball screw (13) are respectively arranged on the second support (8) and in the lower cavity (3), a driven gear (14) connected with the driving rack (10) in a meshed manner is fixedly connected onto the upper end of the ball screw (13), a nut (15) is arranged on the ball screw (13) in a matched manner, a moving rod (16) is welded onto the nut (15), a pushing block (17) positioned on the guide rod (12) is movably sleeved on the moving rod (16), the cabinet is characterized in that a groove (18) and a cooling cavity (19) are respectively formed in the side wall of the cabinet body (1), a water bag (20) used for filling low-temperature cold water and communicated with the cooling cavity (19) is fixedly arranged in the upper end of the groove (18), a lifting platform (21) abutted against the water bag (20) is slidably sleeved in the lower end of the groove (18), and a supporting rod (22) is connected between the push block (17) and the lifting platform (21) through a pin shaft.

4. The cabinet according to claim 3, wherein the guide rods (12) are fixedly connected to two sides of the second bracket (8) in an inclined manner, and the ball screws (13) vertically rotate in the middle of the lower cavity (3).

5. The cabinet according to claim 4, wherein the recess (18) is formed in a side wall of the lower cavity (3), and the cooling cavity (19) is formed outside the upper cavity (2).

6. The environment-friendly transformer high-temperature protection cabinet according to claim 1, wherein the air cooling mechanism comprises a clamping groove (23) which is arranged in the outer wall of the cabinet body (1) and used for placing ice blocks, a first air inlet (25) is communicated between the clamping groove (23) and the lower cavity (3), a ventilation opening (29) is communicated between the lower cavity (3) and the upper cavity (2), a supercharging wind wheel (26) is rotatably arranged in the lower cavity (3), a driving gear (27) and a flank driven gear (28) which are connected in a meshed manner are respectively fixedly sleeved on the ball screw (13) and the supercharging wind wheel (26), an cover plate (30) corresponding to the opening of the upper cavity (2) is arranged at the top end of the cabinet body (1), and a top plate (31) is connected to the cover plate (30) through threads.

7. The high-temperature protection cabinet for the environment-friendly transformer as claimed in claim 6, wherein a second air inlet (24) is communicated between the clamping groove (23) and the groove (18), the cover plate (30) is of a hollow structure, and the top plate (31) is located above the top opening of the cabinet body (1).