Dual-heat-dissipation dry-type transformer
By designing a double cooling dry-type transformer and using components such as fans, semiconductor refrigeration fins and thermal conductive plates, the problem of efficient heat dissipation in high temperature environments is achieved, significantly improving the heat dissipation efficiency of the transformer.
Patent Information
- Application Number
- CN202421185081.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-05-28
AI Technical Summary
Existing dry transformers have low heat dissipation and cooling efficiency in high temperature environments, making it difficult to meet actual needs.
A double cooling dry-type transformer is designed, which uses a box structure with a first fan, semiconductor refrigeration fins, thermal conductive plate and inclined plate structure to achieve heat dissipation at the air inlet and air outlet, and through the second fan and U-shaped flow channel Extend the air circulation stroke and improve the heat dissipation effect.
Through dual heat dissipation methods, the heat dissipation efficiency of dry-type transformers is significantly improved, which can effectively reduce the temperature of the transformer in high temperature environments and meet actual heat dissipation needs.
Smart Images
Figure CN222394659U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of heat dissipation of dry-type transformers, in particular to a double heat dissipation dry-type transformer. Background Art
[0002] A transformer is a device that uses the principle of electromagnetic induction to change AC voltage. Its main components are primary coil, secondary coil and iron core. Dry-type transformer is a type of transformer, generally used for local lighting and electronic circuits. Dry-type transformers are widely used in local lighting, high-rise buildings, airports, docks, CNC machinery and equipment and other places. Simply put, dry-type transformers refer to transformers whose iron core and windings are not immersed in insulating oil.
[0003] During the use of existing dry-type transformers, natural air cooling and forced air cooling are generally used for cooling. This method is more dependent on the external ambient temperature. When the external ambient temperature is high, the heat dissipation and cooling efficiency of the dry-type transformer will be reduced, and it is difficult to meet the heat dissipation requirements of the dry-type transformer. Therefore, the present invention provides a dual heat dissipation dry-type transformer. Utility Model Content
[0004] The purpose of the utility model is to provide a double heat dissipation dry-type transformer to solve the above problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a double heat dissipation dry-type transformer, comprising a box body and a dry-type transformer assembly installed in the box body, a box door is installed on the front side of the box body, an air outlet and an air inlet are respectively arranged on the left and right sides of the box body, a first fan is installed at the air outlet and the air inlet, a cooling box is connected to the upper end of the box body by screws, a partition is vertically arranged in the middle of the cooling box, the partition divides the inner cavity of the cooling box into a U-shaped flow channel, a first through hole is opened on the rear side of the right end of the cooling box, and a second fan is connected to the first through hole in the inner cavity of the cooling box by screws, The second fan is located on the rear side of the partition, and the first inclined plate is fixedly connected to the front and rear sides of the partition. The upper end of the cooling box is connected to the lower heat conduction plate by screws, and the lower side of the lower heat conduction plate is fixedly connected to the second inclined plate. The second inclined plate is made of heat-conducting material. The second inclined plate is staggered with the first inclined plate, and the inclination directions of the first inclined plate and the first inclined plate are opposite. A semiconductor refrigeration plate is connected to the upper side of the lower heat conduction plate by bolts, and the cold end of the semiconductor refrigeration plate is in contact with the lower heat conduction plate. A second through hole is opened at the right end of the front side of the bottom of the cooling box, and the cooling box and the inner cavity of the box are connected through the second through hole.
[0006] Preferably, an upper heat conducting plate is connected to the upper side of the semiconductor refrigeration plate by screws, and heat dissipation fins are arranged on the upper side of the upper heat conducting plate.
[0007] Preferably, the first through hole is connected to a ventilation pipe.
[0008] Preferably, the air outlet, the air inlet and the opening end of the ventilation pipe are all equipped with dustproof nets.
[0009] Preferably, the inner cavity of the box is connected with a temperature sensor via screws.
[0010] Preferably, air guide plates are fixedly connected to both the front and rear sides of the left end of the inner cavity of the cooling box.
[0011] Preferably, the first inclined plate is inclined to the left at a side away from the partition.
[0012] Preferably, the inner cavity of the cooling box is provided with a heat-insulating layer.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1) In the utility model, heat is dissipated through the air inlet and the air outlet in cooperation with the first fan. When the heat dissipation function needs to be enhanced, the semiconductor refrigeration plate works to perform double heat dissipation. The temperature in the cooling box is lowered through the heat conduction effect of the lower heat conduction plate. The second fan works to blow the outside air into the box through the cooling box. When the outside air enters the cooling box, the stroke is extended by the action of the partition. Under the action of the first inclined plate and the second inclined plate, the stroke is further extended. The lower heat conduction plate can effectively cool the second inclined plate and increase the contact area with the air at the same time, thereby improving the cooling effect on the air. By blowing the cooled air into the box, the dry-type transformer is effectively cooled.
[0015] 2) The upper heat conducting plate is cooled by setting the heat dissipation fins, and the hot air near the heat dissipation fins is prevented from being sucked into the cooling box by setting the ventilation pipes. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the cooling box structure of the utility model;
[0018] Figure 3 This is a schematic diagram of the internal structure of the box of the utility model;
[0019] Figure 4 This is a schematic diagram of the internal structure of the cooling box of the utility model;
[0020] Figure 5 The figure is a schematic diagram of the internal structure of the cooling box of the utility model when viewed from above.
[0021] In the figure: 1. box body; 2. air inlet; 3. first fan; 4. ventilation duct; 5. cooling box; 6. heat sink fins; 7. upper heat conducting plate; 8. air outlet; 9. semiconductor refrigeration plate; 10. lower heat conducting plate; 11. first through hole; 12. second through hole; 13. second fan; 14. partition; 15. U-shaped flow channel; 16. first inclined plate; 17. second inclined plate; 18. air guide plate; 19. dry-type transformer assembly; 20. box door. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.
[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0024] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0025] Example:
[0026] See also Figure 1-5The utility model provides a technical solution: a double heat dissipation dry-type transformer, including a box body 1 and a dry-type transformer assembly 19 installed in the box body 1, the dry-type transformer assembly 19 includes components such as an iron core and a winding, and is used to realize the basic functions of the transformer. A box door 20 is installed on the front side of the box body 1, and an air outlet 8 and an air inlet 2 are respectively arranged on the left and right sides of the box body 1. The air outlet 8 and the air inlet 2 are both installed with a first fan 3. The first fans 3 on both sides blow air to the left, and the air enters the box body 1 through the air inlet 2 and is discharged from the air outlet 8. The upper end of the box body 1 is connected to a cooling box 5 by screws, and a partition 14 is vertically arranged in the middle of the cooling box 5. The partition 14 separates the cooling box 5 is divided into a U-shaped flow channel 15, a first through hole 11 is opened at the rear side of the right end of the cooling box 5, and a second fan 13 is connected to the first through hole 11 of the inner cavity of the cooling box 5 by screws. The second fan 13 sucks the outside air through the first through hole 11 and blows it out along the U-shaped flow channel 15. The second fan 13 is located at the rear side of the partition 14, and the front and rear sides of the partition 14 are fixedly connected with the first inclined plate 16. The upper end of the cooling box 5 is connected with the lower heat conducting plate 10 by screws, and the lower side of the lower heat conducting plate 10 is fixedly connected with the second inclined plate 17. The second inclined plate 17 is made of heat conductive material, and the second inclined plate 17 is staggered with the first inclined plate 16, and the first inclined plate 16 and the second inclined plate 17 are inclined in opposite directions (as shown in the attached figure). Figure 5 As shown in the attached Figure 5 It can be seen that the adjacent first inclined plates 16 and second inclined plates 17 are distributed in a V shape or an inverted V shape), which extends the air circulation stroke. The upper side of the lower heat conducting plate 10 is connected with a semiconductor refrigeration plate 9 by bolts, and heat dissipation silicone grease is applied between the semiconductor refrigeration plate 9 and the lower heat conducting plate 10. The cold end of the semiconductor refrigeration plate 9 fits with the lower heat conducting plate 10 to cool the lower heat conducting plate 10. A second through hole 12 is opened at the right end of the bottom front side of the cooling box 5, and the cooling box 5 and the inner cavity of the box body 1 are connected through the second through hole 12.
[0027] An upper heat conducting plate 7 is connected to the upper side of the semiconductor refrigeration plate 9 by screws, and heat dissipation fins 6 are arranged on the upper side of the upper heat conducting plate 7. When the semiconductor refrigeration plate 9 is working, the upper heat conducting plate 7 will be heated up, and the upper heat conducting plate 7 will be cooled down through the heat dissipation fins 6.
[0028] The first through hole 11 is connected to the ventilation pipe 4 to reduce the intake of hot air.
[0029] The air outlet 8, the air inlet 2 and the opening end of the ventilation pipe 4 are all equipped with dustproof nets.
[0030] The inner cavity of the box body 1 is connected with a temperature sensor via screws.
[0031] Wind guide plates 18 are fixedly connected to both the front and rear sides of the left end of the inner cavity of the cooling box 5 to improve the smoothness of air circulation.
[0032] The first inclined plate 16 is inclined leftward at a side away from the partition plate 14 .
[0033] The inner cavity of the cooling box 5 is provided with a heat-insulating layer.
[0034] Working principle: heat is dissipated through the air inlet 2 and the air outlet 8 in cooperation with the first fan 3. When the heat dissipation function needs to be enhanced, the semiconductor refrigeration plate 9 works to perform double heat dissipation. The temperature in the cooling box 5 is reduced by the heat conduction effect of the lower heat conduction plate 10. The second fan 13 works to blow the outside air into the box body 1 through the cooling box 5. When the outside air enters the cooling box 5, the stroke is extended by the action of the partition 14. Under the action of the first inclined plate 16 and the second inclined plate 17, the stroke is further extended. The lower heat conduction plate 10 can effectively cool the second inclined plate 17 and increase the contact area with the air at the same time, thereby improving the cooling effect on the air. The dry-type transformer is effectively cooled by blowing the cooled air into the box body 1. The upper heat conduction plate 7 is cooled by the setting of the heat dissipation fins 6. The hot air near the heat dissipation fins 6 is prevented from being sucked into the cooling box 5 by the setting of the ventilation pipe 4.
[0035] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model, and any figure marks in the claims should not be regarded as limiting the claims involved.
[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A double heat dissipation dry-type transformer, comprising a box (1) and a dry-type transformer assembly (19) installed in the box (1), wherein a box door (20) is installed on the front side of the box (1), characterized in that: The box body (1) is provided with an air outlet (8) and an air inlet (2) on the left and right sides respectively, and a first fan (3) is installed at the air outlet (8) and the air inlet (2). The upper end of the box body (1) is connected to a cooling box (5) by screws, and a partition (14) is vertically arranged in the middle of the cooling box (5). The partition (14) divides the inner cavity of the cooling box (5) into a U-shaped flow channel (15). A first through hole (11) is opened at the rear side of the right end of the cooling box (5). The second fan (13) is connected to the first through hole (11) in the inner cavity of the cooling box (5) by screws. The front and rear sides of the partition (14) are fixedly connected with a first inclined The cooling box (5) is provided with a lower heat conducting plate (10) at the upper end thereof via screws, a second inclined plate (17) is fixedly connected to the lower side of the lower heat conducting plate (10), the second inclined plate (17) is made of a heat conducting material, the second inclined plate (17) and the first inclined plate (16) are staggered, a semiconductor refrigeration plate (9) is connected to the upper side of the lower heat conducting plate (10) via bolts, the cold end of the semiconductor refrigeration plate (9) is in contact with the lower heat conducting plate (10), a second through hole (12) is provided at the right end of the front bottom side of the cooling box (5), and the cooling box (5) and the inner cavity of the box body (1) are connected via the second through hole (12).
2. A double heat dissipation dry-type transformer according to claim 1, characterized in that: An upper heat conducting plate (7) is connected to the upper side of the semiconductor refrigeration plate (9) via screws, and a heat dissipation fin (6) is arranged on the upper side of the upper heat conducting plate (7).
3. A double heat dissipation dry-type transformer according to claim 2, characterized in that: The first through hole (11) is connected to a ventilation pipe (4).
4. A double heat dissipation dry-type transformer according to claim 3, characterized in that: The air outlet (8), the air inlet (2) and the opening end of the ventilation pipe (4) are all equipped with dustproof nets.
5. A double heat dissipation dry-type transformer according to claim 1, characterized in that: The inner cavity of the box body (1) is connected with a temperature sensor via screws.
6. A double heat dissipation dry-type transformer according to claim 1, characterized in that: Wind guide plates (18) are fixedly connected to both the front and rear sides of the left end of the inner cavity of the cooling box (5).
7. A double heat dissipation dry-type transformer according to claim 1, characterized in that: The first inclined plate (16) is inclined to the left at a side away from the partition plate (14).
8. The double heat dissipation dry-type transformer according to claim 1, characterized in that: The inner cavity of the cooling box (5) is provided with a heat-insulating layer.