Dry-type transformer with better heat dissipation effect

Abstract

The utility model relates to the field of dry-type transformers, in particular to a dry-type transformer with a better heat dissipation effect. Comprising a box body, an empty groove is formed in the box body, an air blowing mechanism is installed at the center of the inner wall of the top of the box body, a cooling cavity is formed in the box body, two sets of ventilation openings are symmetrically formed in the top of the box body, a cooling mechanism is installed at the center of the top of the box body, and a conveying pipe communicates with the center of the bottom of one side wall of the cooling mechanism; the output end of the conveying pipe penetrates through the box body and then is arranged in the cooling cavity, the outer wall of the conveying pipe is fixedly sleeved with a first water pump, the center of the top of the side wall, away from the conveying pipe, of the cooling mechanism communicates with a conveying pipe, and the other end of the conveying pipe penetrates through the box body and then is arranged in the cooling cavity; the outer wall of the conveying pipe is fixedly sleeved with a second water pump. According to the embodiment, the effects of rapid heat dissipation and cooling are achieved, the safety is improved, and meanwhile the service life of equipment is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of dry-type transformers, and particularly relates to a dry-type transformer with better heat dissipation effect. Background Art

[0002] Dry-type transformers are widely used in local lighting, high-rise buildings, airports, docks, CNC machinery and equipment and other places. Simply put, a dry-type transformer refers to a transformer whose core and winding are not immersed in insulating oil.

[0003] After searching, in the prior art, Chinese Patent Publication No.: CN209433977U, Authorization Publication Date: 2019-09-24, discloses a dry-type transformer, including a main body and a cable bracket, and the cable bracket is arranged on the side of the main body. The cable bracket includes a frame and a fixed seat, and the fixed seat includes a base, a clamping frame, a slider and an anti-slip portion, and the slider is arranged in the slide groove of the frame. Grooves are provided on both sides of the slider, and the slide groove has a bending portion, and the bending portion is inserted in the groove. The slider is connected to the base, and the base is provided with an installation groove. The clamping frame is provided with a card slot, and the clamping frame is connected to the base. The card slot and the installation slot constitute a cable hole, and the anti-slip portion is arranged in the cable hole. The above embodiment reduces the risk of cable loosening and facilitates the adjustment of the tightness of the cable.

[0004] However, the device still has the following defects: the above embodiment does not have the effect of rapid heat dissipation and temperature reduction. If the dry-type transformer cannot be quickly dissipated and cooled, the safety of the dry-type transformer will be reduced, thereby shortening the service life of the equipment. Utility Model Content

[0005] In view of the above problems, the utility model provides a dry-type transformer with better heat dissipation effect, comprising a box body, an empty slot is opened in the box body, a blower mechanism is installed at the center of the top inner wall of the box body, a cooling cavity is opened in the box body, two groups of vents are symmetrically opened on the top of the box body, and a cooling mechanism is installed at the center of the top of the box body;

[0006] A delivery pipe is connected to the bottom center of one side wall of the cooling mechanism, and the output end of the delivery pipe passes through the box and is placed in the cooling cavity. A first water pump is fixedly sleeved on the outer wall of the delivery pipe. A transport pipe is connected to the top center of one side wall of the cooling mechanism away from the delivery pipe, and the other end of the transport pipe passes through the box and is placed in the cooling cavity, and a second water pump is fixedly sleeved on the outer wall of the transport pipe.

[0007] Furthermore, a box door is installed on one side wall of the box body, and a handle is installed at the center of the edge of one side wall of the box door.

[0008] Furthermore, a display screen is embedded in one end of a side wall of the door away from the handle, and a control panel is installed on one end of a side wall of the door away from the handle, and the control panel is located below the display screen.

[0009] Furthermore, a temperature sensor is installed on one side wall of the box body, and a thermal conductive pad is installed at the center of the bottom inner wall of the box body.

[0010] Furthermore, a transformer body is arranged in the empty slot, and the bottom of the transformer body is slidably fitted on the top of the thermal conductive pad.

[0011] Furthermore, a group of electric push rods are installed at the centers of the two corresponding side walls of the box body, and a group of push plates are installed on the output ends of each group of electric push rods.

[0012] Furthermore, a group of dustproof nets are arranged in each group of ventilation openings, and the cooling mechanism is located between the two groups of ventilation openings.

[0013] Furthermore, the bottom of the first water pump is installed on the top of the box body, and the side wall of the second water pump is installed on the side wall of the cooling mechanism.

[0014] The beneficial effects of the utility model are:

[0015] 1. The air blowing mechanism is started to speed up the air flow rate in the empty slot. The hot air in the empty slot is exchanged with the air outside the box through the vent to reduce the temperature in the empty slot. The first water pump is started, and the cooling water in the cooling mechanism is transported to the cooling cavity through the delivery pipe. The cooling water in the cooling cavity cools the empty slot. The second water pump is started, and the cooling water in the cooling cavity enters the cooling mechanism through the delivery pipe, which has the effect of rapid heat dissipation and temperature reduction, improving safety while extending the service life of the equipment.

[0016] 2. According to the temperature in the empty tank, the blowing mechanism, the first water pump and the second water pump are adjusted, the wind speed of the blowing mechanism is adjusted, the air flow rate is adjusted, the air circulation speed is controlled, the rotation speed of the first water pump and the second water pump is adjusted, the water output is controlled, and thus the water flow speed is controlled, which plays a regulating role and achieves energy-saving effect.

[0017] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 A schematic diagram of the structure according to an embodiment of the utility model is shown;

[0020] Figure 2 A schematic cross-sectional view of the structure according to an embodiment of the utility model is shown;

[0021] Figure 3 A schematic top view of a box according to an embodiment of the utility model is shown;

[0022] Figure 4 An enlarged view of part A according to an embodiment of the utility model is shown.

[0023] In the figure: 1. Box body; 2. Box door; 3. Handle; 4. Display screen; 5. Control panel; 6. Empty slot; 7. Temperature sensor; 8. Thermal pad; 9. Transformer body; 10. Electric push rod; 11. Push plate; 12. Blowing mechanism; 13. Cooling chamber; 14. Ventilation port; 15. Dust net; 16. Cooling mechanism; 17. Delivery pipe; 18. First water pump; 19. Transport pipe; 20. Second water pump. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model embodiment provides a dry-type transformer with better heat dissipation effect, including a box body 1, exemplarily, as Figure 1 and Figure 2As shown, a door 2 is installed on one side wall of the box body 1, a handle 3 is installed at the center of the edge of one side wall of the box door 2, a display screen 4 is embedded in the end of the side wall of the box door 2 away from the handle 3, a control panel 5 is installed at the end of the side wall of the box door 2 away from the handle 3, and the control panel 5 is located below the display screen 4, an empty slot 6 is opened in the box body 1, a temperature sensor 7 is installed on one side wall of the box body 1, a thermal pad 8 is installed at the center of the bottom inner wall of the box body 1, a transformer body 9 is arranged in the empty slot 6, and the bottom of the transformer body 9 slides and fits on the top of the thermal pad 8, a group of electric push rods 10 are installed at the centers of the corresponding two side walls of the box body 1, a group of push plates 11 are installed on the output end of each group of the electric push rods 10, and a blower mechanism 12 is installed at the center of the top inner wall of the box body 1.

[0026] For example, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a cooling chamber 13 is provided in the box body 1, and two groups of vents 14 are symmetrically provided on the top of the box body 1, and a group of dustproof nets 15 are provided in each group of vents 14. A cooling mechanism 16 is installed at the top center of the box body 1, and the cooling mechanism 16 is located between the two groups of vents 14. A delivery pipe 17 is connected to the bottom center of one side wall of the cooling mechanism 16, and the output end of the delivery pipe 17 passes through the box body 1 and is placed in the cooling chamber 13. A first water pump 18 is fixedly sleeved on the outer wall of the delivery pipe 17, and the bottom of the first water pump 18 is installed on the top of the box body 1. A transport pipe 19 is connected to the top center of one side wall of the cooling mechanism 16 away from the delivery pipe 17, and the other end of the transport pipe 19 passes through the box body 1 and is placed in the cooling chamber 13. A second water pump 20 is fixedly sleeved on the outer wall of the transport pipe 19, and the side wall of the second water pump 20 is installed on the side wall of the cooling mechanism 16.

[0027] Working principle: Pull the handle 3 to open the box door 2, place the transformer body 9 on the top of the thermal pad 8 and then close the box door 2. The electric push rod 10 drives the push plate 11 to move and clamp the transformer body 9. The transformer body 9 will generate heat during use. The temperature sensor 7 senses the temperature in the empty slot 6 and transmits the temperature information to the display screen 4. The display screen 4 displays the temperature inside, so that the internal temperature can be known at any time. The air blowing mechanism 12 is started to speed up the air flow rate in the empty slot 6. The hot air in the empty slot 6 is exchanged with the air outside the box 1 through the vent 14, and the air circulates to reduce the temperature in the empty slot 6. The water pump 18 is started, and the cooling water in the cooling mechanism 16 is transported to the cooling chamber 13 through the delivery pipe 17. The cooling water in the cooling chamber 13 cools the empty slot 6. The second water pump 20 is started, and the cooling water in the cooling chamber 13 enters the cooling mechanism 16 through the delivery pipe 19. The air blowing mechanism 12, the first water pump 18 and the second water pump 20 are adjusted according to the temperature in the empty slot 6. The wind speed of the air blowing mechanism 12 is adjusted, the air flow rate is adjusted, and the air circulation speed is controlled. The rotation speed of the first water pump 18 and the second water pump 20 are adjusted to control the water output and thus the water flow rate.

[0028] The blowing mechanism 12 is started to speed up the air flow rate in the empty slot 6. The hot air in the empty slot 6 is exchanged with the air outside the box 1 through the vent 14 to reduce the temperature in the empty slot 6. The first water pump 18 is started, and the cooling water in the cooling mechanism 16 is transported to the cooling chamber 13 through the delivery pipe 17. The cooling water in the cooling chamber 13 cools the empty slot 6. The second water pump 20 is started, and the cooling water in the cooling chamber 13 enters the cooling mechanism 16 through the delivery pipe 19, which has the effect of rapid heat dissipation and temperature reduction, thereby improving safety and extending the service life of the equipment.

[0029] The blower mechanism 12, the first water pump 18 and the second water pump 20 are adjusted according to the temperature in the empty slot 6, the wind speed of the blower mechanism 12 is adjusted, the air flow rate is adjusted, the air circulation speed is controlled, the rotation speeds of the first water pump 18 and the second water pump 20 are adjusted, the water output is controlled, and thus the water flow speed is controlled, which plays a regulating role and also has an energy-saving effect.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A dry-type transformer with better heat dissipation effect, comprising a box (1), characterized in that: The box body (1) is provided with an empty slot (6), a blower mechanism (12) is installed at the center of the top inner wall of the box body (1), a cooling cavity (13) is provided in the box body (1), two groups of ventilation holes (14) are symmetrically provided at the top of the box body (1), and a cooling mechanism (16) is installed at the center of the top of the box body (1); A delivery pipe (17) is connected to the center of the bottom of one side wall of the cooling mechanism (16); the output end of the delivery pipe (17) passes through the box body (1) and is placed in the cooling chamber (13); a first water pump (18) is fixedly sleeved on the outer wall of the delivery pipe (17); a transport pipe (19) is connected to the center of the top of one side wall of the cooling mechanism (16) away from the delivery pipe (17); the other end of the transport pipe (19) passes through the box body (1) and is placed in the cooling chamber (13); a second water pump (20) is fixedly sleeved on the outer wall of the transport pipe (19).

2. The dry-type transformer with better heat dissipation effect according to claim 1 is characterized in that: A box door (2) is installed on one side wall of the box body (1), and a handle (3) is installed at the center of the edge of one side wall of the box door (2).

3. The dry-type transformer with better heat dissipation effect according to claim 2 is characterized in that: A display screen (4) is embedded in one end of a side wall of the door (2) away from the handle (3), and a control panel (5) is installed on one end of a side wall of the door (2) away from the handle (3), and the control panel (5) is located below the display screen (4).

4. The dry-type transformer with better heat dissipation effect according to claim 1 is characterized in that: A temperature sensor (7) is installed on one side wall of the box body (1), and a heat-conducting pad (8) is installed at the center of the bottom inner wall of the box body (1).

5. The dry-type transformer with better heat dissipation effect according to claim 4 is characterized in that: A transformer body (9) is arranged in the empty slot (6), and the bottom of the transformer body (9) is slidably fitted on the top of the thermal conductive pad (8).

6. The dry-type transformer with better heat dissipation effect according to claim 1, characterized in that: A group of electric push rods (10) are installed at the centers of the two corresponding side walls of the box body (1), and a group of push plates (11) are installed on the output end of each group of electric push rods (10).

7. The dry-type transformer with better heat dissipation effect according to claim 1, characterized in that: A group of dustproof nets (15) are arranged in each group of ventilation openings (14), and the cooling mechanism (16) is located between the two groups of ventilation openings (14).

8. The dry-type transformer with better heat dissipation effect according to claim 1, characterized in that: The bottom of the first water pump (18) is mounted on the top of the box (1), and the side wall of the second water pump (20) is mounted on the side wall of the cooling mechanism (16).

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