Protective dry-type transformer for electric power of liquid-cooled container

By combining the heat pipe structure with the elastic support structure in the dry-type transformer, a combination of efficient heat dissipation and protection is achieved, solving the problem of traditional dry-type transformers being difficult to balance heat dissipation and protection, reducing maintenance costs and improving the stability and environmental adaptability of the equipment.

CN120674198AActive Publication Date: 2025-09-19SICHUAN WULENG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202511141652.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-15
Publication Date
2025-09-19
Estimated Expiration
2045-08-15

AI Technical Summary

Technical Problem

Dry-type transformers lack effective protective devices and cannot take into account both heat dissipation and protection against impact and rodent damage. Traditional protective devices are also costly and complex to maintain.

Method used

A protective dry-type transformer for liquid-cooled container power is designed. It combines a heat pipe structure with an elastic support structure, adopts intelligent temperature control and rodent-proof design, uses the heat pipe structure as a liquid cooling circulation channel, and is equipped with elastic buffers and rodent-proof rollers on the outside to achieve all-round protection.

Benefits of technology

It achieves a combination of efficient heat dissipation and protection, reduces the maintenance cost and complexity of the equipment, improves the stability and environmental adaptability of the equipment, and is suitable for scenarios with limited space and frequent rodent infestations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the field of dry type transformers, and discloses a protective dry type transformer for liquid cooling container electric power, which comprises a transformer, heat dissipation pipe structures are arranged on the front side and two sides of the transformer, and each heat dissipation pipe structure comprises a pipe body, a main support frame, a reed and an auxiliary support frame, a plurality of main supporting frames arranged at equal intervals are arranged on one side of the inner wall of the pipe body, reeds are arranged on the front faces of the main supporting frames, and one ends of the reeds are fixedly connected with the front faces of the main supporting frames. The heat dissipation pipe structure adopts an elastic pipe body design, a main supporting frame, a reed and an auxiliary supporting frame are arranged in the heat dissipation pipe structure, so that the heat dissipation pipe structure serves as a liquid cooling circulation channel during normal operation, and when the heat dissipation pipe structure encounters external impact, deformation of the elastic pipe body is combined with a reed buffering mechanism to effectively absorb impact energy, and damage to a transformer body is reduced.
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Description

Technical Field

[0001] The present invention relates to the technical field of dry-type transformers, in particular to a protective dry-type transformer for liquid-cooled container power. Background Art

[0002] The patent application with application announcement number CN107424733B includes a transformer housing, a dust removal shaft connected to a motor, a transformer body including an iron core, a clamp, and a coil winding, a base at the bottom of the transformer housing, a support seat at the bottom of the base, a T-shaped slide on the support seat, a roller groove at the bottom of the T-shaped slide, fixed frames on both sides of the transformer housing, wiring terminals within the fixed frames, and door panels at the front of the transformer housing, including left and right door panels, with air outlets at the bottom of the door panels. Advantages include: a small footprint, easy transportation, low production cost, timely heat dissipation through internal gas circulation in the transformer, effective protection against high-temperature burnout of the dry-type transformer, and extended transformer service life; easy inspection and maintenance, and high practical value.

[0003] In the aforementioned patents and prior art, traditional transformers struggle to address both impact and rodent protection while maintaining heat dissipation. This requires additional protective devices to address these issues, resulting in high material and maintenance costs. Furthermore, since this solution is intended for use in liquid-cooled containers, the relatively limited interior space imposes further restrictions and requirements on the protective device's size, making traditional protective devices difficult to apply. Summary of the Invention

[0004] The problem to be solved by the present invention is that the dry-type transformer lacks an effective protection device and cannot be protected from being bitten by animals.

[0005] In order to solve the above technical problems, the technical solution of the present invention is: a protective dry-type transformer for liquid-cooled container power, including a transformer, a heat dissipation pipe structure is provided on the front and both sides of the transformer, the heat dissipation pipe structure includes a tube body, a main support frame, a reed, and an auxiliary support frame, and a plurality of equally spaced main support frames are provided on one side of the inner wall of the tube body, and the front sides of several of the main support frames are provided with reeds, one end of several of the reeds are fixedly connected to the front side of the main support frame, and the other ends of several of the reeds are provided with auxiliary support frames, and the other ends of several of the reeds are fixedly connected to the back side of the auxiliary support frame, and several of the auxiliary support frames are adapted to the main support frame, and the front sides of several of the auxiliary support frames are in contact with the other side of the inner wall of the tube body.

[0006] Preferably, several supporting structures are provided on the front and both sides of the transformer, and the several supporting structures include a main support rod and a secondary support rod. One end of the main support rod is fixedly connected to the front and both sides of the transformer, and the other end of the main support rod is provided with a secondary support rod. One end of the secondary support rod is movably connected to the other end of the main support rod.

[0007] Preferably, a baffle is provided at the other end of the secondary support rod, the back of the baffle is fixedly connected to the other end of the secondary support rod, a plurality of rollers are provided at the front of the baffle, rollers are provided on both sides of the rollers, the corresponding ends of the two rollers pass through the rollers and extend to the interior, and a plurality of heat dissipation holes are provided on the surface of the rollers.

[0008] Preferably, a thermal sensing structure is provided on the top of the transformer, and the thermal sensing structure includes a sensing electrode, an alarm, a bracket, a bolt, an expansion airbag, a power cord, a heat conducting plate, a sensing head, and a contact head. Bolts are provided on both sides of the bottom of the bracket, and a heat conducting plate is provided at the bottom of the bracket, and the bottom of the heat conducting plate is in contact with the top of the transformer.

[0009] Preferably, an expansion airbag is provided on the top of the heat conducting plate, a contact head is provided on the top of the expansion airbag, two alarms are provided on both sides of the top of the bracket, a sensing electrode is provided on the top of the bracket, a contact head is provided at the bottom of the sensing electrode, the contact head passes through the top of the bracket and extends to the outside, the contact head is adapted to the sensing head, a power cord is provided on the front of the sensing electrode, and one end of the power cord is connected to the front phase circuit of the sensing electrode.

[0010] Preferably, a heat dissipation water tank is provided on the back of the transformer, a water inlet is provided on one side of the top of the heat dissipation water tank, the water inlet is fixedly connected to the heat dissipation pipe structure, a water outlet is provided on the other side of the top of the heat dissipation water tank, a water pump is provided on one side of the heat dissipation water tank, one side of the water pump is fixedly connected to the water outlet, the top of the water pump is fixedly connected to the heat dissipation pipe structure, and the top of the water pump is circuit-connected to the other end of the power cord.

[0011] Preferably, a cooling fan is provided on the front of the cooling water tank.

[0012] Preferably, the heat dissipation pipe structure is an elastic buffer device, and the pipe body is made of elastic material.

[0013] Compared with the prior art, the technical solution of the present invention has the following advantages: (1) Efficiently integrate heat dissipation and protection functions to improve equipment reliability and applicability. The liquid-cooled container power protective dry-type transformer innovatively integrates the heat dissipation system with the anti-collision structure, solving the problem that traditional transformers are difficult to balance heat dissipation and protection. The heat dissipation pipe structure adopts an elastic tube design, with a main support frame, reeds and auxiliary support frames inside, so that it can serve as a liquid cooling circulation channel during normal operation. When encountering external impact, the deformation of the elastic tube body combined with the reed buffer mechanism can effectively absorb the impact energy and reduce damage to the transformer body. In addition, the heat dissipation pipes are distributed on the front and both sides of the transformer to ensure uniform heat dissipation while forming an all-round protective barrier, which is especially suitable for container environments with limited space. The liquid cooling system consists of a heat dissipation water tank, a water pump and a heat dissipation fan. When the thermal sensing structure detects a temperature abnormality, it automatically starts to ensure efficient heat dissipation. This integrated design not only reduces the need to install additional protective devices, but also improves the stability and service life of the equipment, making it suitable for high-load power scenarios; (2) Intelligent temperature control and rodent-proof design enhance safety and environmental adaptability. The transformer effectively solves the shortcomings of traditional equipment in temperature management and biological protection through intelligent temperature control and rodent-proof structure. The thermal sensing structure consists of a heat conducting plate, an expansion airbag and a sensing electrode. When the temperature of the transformer rises, the heat is transferred to the expansion airbag to make it expand, pushing the contact head and the sensing head to close, triggering the alarm and starting the liquid cooling system to achieve automatic temperature control and avoid the risk of overheating. At the same time, multiple layers of rollers are set on the baffle, and their rotation characteristics can prevent rodents from climbing, while the heat dissipation holes on the surface of the rollers do not affect ventilation and heat dissipation, taking into account both rodent-proof and auxiliary heat dissipation functions. This design is particularly suitable for rodent-prone environments such as outdoor substations and industrial plants, avoiding the problem of traditional rodent-proof nets hindering heat dissipation. The combination of intelligent temperature control and physical rodent-proofing significantly improves the safety and environmental adaptability of the equipment, and reduces failures caused by biological invasion or temperature out of control; (3) Modular elastic support structure optimizes seismic performance and reduces maintenance costs. The transformer's support structure and heat pipe elastic design significantly improve seismic resistance and maintainability. The support structure adopts a movable connection method between the main support rod and the auxiliary support rod, combined with the baffle to form a buffer layer. When hit, the impact force is dispersed by deformation, reducing the impact on the transformer body. The elastic material and internal spring of the heat pipe structure further enhance the seismic resistance, making it suitable for transportation vibration or earthquake-prone areas. In addition, the modular design means that when local damage such as baffle deformation or support rod breakage occurs, only the corresponding components need to be replaced, without the need for overall disassembly, which greatly reduces maintenance costs and time. The independent design of the heat dissipation water tank and water pump also facilitates coolant replacement and system maintenance. Overall, by optimizing the structural design and material selection, this solution improves the maintainability and economy of the equipment while ensuring protection performance, and is suitable for power application scenarios with high requirements for reliability and cost control. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the overall structure of the present invention; Figure 3 It is a schematic diagram of the overall structure of the present invention; Figure 4 This is a schematic diagram of the heat dissipation structure of the present invention; Figure 5 This is a cross-sectional view of the pipeline support structure of the present invention; Figure 6 This is a cross-sectional view of the pipeline support structure of the present invention; Figure 7 This is a schematic diagram of the pipeline support structure of the present invention; Figure 8 For the present invention Figure 2 A local enlarged schematic diagram of point A shown; Figure 9 This is a schematic diagram of the thermal sensing structure of the present invention; Figure 10 This is a schematic diagram of the support rod structure of the present invention; Figure 11 It is a schematic diagram of the drum structure of the present invention.

[0015] In the figure: 1. Transformer; 2. Baffle; 3. Roller; 4. Cooling water tank; 5. Cooling fan; 6. Water pump; 7. Support structure; 701. Main support rod; 702. Auxiliary support rod; 8. Heat dissipation pipe structure; 801. Tube body; 802. Main support frame; 803. Reed; 804. Auxiliary support frame; 9. Thermal sensing structure; 901. Sensing electrode; 902. Alarm; 903. Bracket; 904. Bolt; 905. Inflatable airbag; 906. Power cord; 907. Heat conduction plate; 908. Sensing head; 909. Contact head; 10. Roller. DETAILED DESCRIPTION

[0016] To make the purpose, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0017] Unless otherwise defined, the technical or scientific terms used in this disclosure shall have the usual meanings understood by persons of ordinary skill in the field to which this disclosure belongs. The words “including” or “comprising” and the like used in this disclosure mean that the elements or objects preceding the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. The words “connected” or “connected” and the like are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. “Up”, “down”, “left”, “right” and the like are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0018] like Figures 1 to 11 As shown, the present invention provides a protective dry-type transformer for liquid-cooled container power, including a transformer 1. The front and both sides of the transformer 1 are provided with a heat dissipation pipe structure 8, and the heat dissipation pipe structure 8 includes a tube body 801, a main support frame 802, a reed 803, and an auxiliary support frame 804. One side of the inner wall of the tube body 801 is provided with a plurality of equally spaced main support frames 802, and the front sides of the plurality of main support frames 802 are all provided with reeds 803. One end of the plurality of reeds 803 is fixedly connected to the front side of the main support frame 802, and the other end of the plurality of reeds 803 is provided with an auxiliary support frame 804. The other end of the plurality of reeds 803 is fixedly connected to the back side of the auxiliary support frame 804, and the plurality of auxiliary support frames 804 are adapted to the main support frame 802, and the front sides of the plurality of auxiliary support frames 804 are in contact with the other side of the inner wall of the tube body 801.

[0019] Several support structures 7 are provided on the front and both sides of the transformer 1. The several support structures 7 include a main support rod 701 and a secondary support rod 702. One end of the main support rod 701 is fixedly connected to the front and both sides of the transformer 1. The other end of the main support rod 701 is provided with a secondary support rod 702. One end of the secondary support rod 702 is movably connected to the other end of the main support rod 701.

[0020] A baffle 2 is provided at the other end of the auxiliary support rod 702, and the back side of the baffle 2 is fixedly connected to the other end of the auxiliary support rod 702. A number of rollers 3 are provided on the front side of the baffle 2, and rollers 10 are provided on both sides of the rollers 3. The corresponding ends of the two rollers 10 pass through the roller 3 and extend to the inside, and a number of heat dissipation holes are opened on the surface of the roller 3.

[0021] A thermal sensing structure 9 is provided on the top of the transformer 1. The thermal sensing structure 9 includes an induction electrode 901, an alarm 902, a bracket 903, a bolt 904, an expansion airbag 905, a power cord 906, a heat conducting plate 907, an induction head 908, and a contact head 909. Bolts 904 are provided on both sides of the bottom of the bracket 903. A heat conducting plate 907 is provided at the bottom of the bracket 903. The bottom of the heat conducting plate 907 is in contact with the top of the transformer 1.

[0022] An expansion airbag 905 is provided on the top of the heat conducting plate 907, and a contact head 909 is provided on the top of the expansion airbag 905. Two alarms 902 are provided on both sides of the top of the bracket 903. A sensing electrode 901 is provided on the top of the bracket 903, and a contact head 909 is provided at the bottom of the sensing electrode 901. The contact head 909 passes through the top of the bracket 903 and extends to the outside. The contact head 909 is adapted to the sensing head 908. A power cord 906 is provided on the front of the sensing electrode 901, and one end of the power cord 906 is connected to the front phase circuit of the sensing electrode 901.

[0023] A heat dissipation water tank 4 is provided on the back of the transformer 1, and a water inlet is provided on one side of the top of the heat dissipation water tank 4, and the water inlet is fixedly connected to the heat dissipation pipe structure 8. A water outlet is provided on the other side of the top of the heat dissipation water tank 4, and a water pump 6 is provided on one side of the heat dissipation water tank 4, and one side of the water pump 6 is fixedly connected to the water outlet. The top of the water pump 6 is fixedly connected to the heat dissipation pipe structure 8, and the top of the water pump 6 is circuit-connected to the other end of the power cord 906.

[0024] A cooling fan 5 is provided on the front of the cooling water tank 4 .

[0025] The heat dissipation pipe structure 8 is an elastic buffer device, and the pipe body 801 is made of elastic material.

[0026] The present invention combines a liquid cooling system with an anti-collision and shock-absorbing device. Under normal operating conditions, the liquid cooling system does not operate. When the temperature exceeds the normal range, the thermal sensing structure 9 mounted on top of the transformer 1 begins to operate. The specific process is as follows: When heat from the transformer 1 is transferred to the expansion bladder 905 via the heat conducting plate 907, causing it to expand, the contact head 909 on top of the expansion bladder 905 moves upward and contacts the sensing head 908, triggering the sensing electrode 901. A switch energizes the water pump 6 and the cooling fan 5 via the power cord 906, activating the liquid cooling system. Simultaneously, alarms 902 on either side of the sensing electrode 901 sound an alarm, notifying personnel that the transformer 1 temperature is rising and requiring constant attention to prevent malfunction. During operation, the cooling water tank 4 pumps coolant into the heat pipe structure 8 via the water pump 6. The coolant flows through the pipe body 801, absorbing heat generated by the transformer 1 before returning to the cooling water tank 4 for cooling. The cooling fan 5 accelerates the heat dissipation of the cooling water tank 4 to form an efficient liquid cooling circulation system. The tube body 801 is also provided with a plurality of anti-collision devices consisting of a main support frame 802, a spring 803, and an auxiliary support frame 804. Since the tube body 801 is made of elastic material, when a collision occurs, the tube body 801 is an elastic material that can produce deformation, and the main support frame 802 and the auxiliary support frame 804 inside it are close to each other, so that the spring 803 is stretched, and in this process, the impact potential energy is consumed to reduce the damage to the transformer 1. The outside of the transformer 1 is provided with a plurality of baffles 2 The baffle 2 and the transformer 1 body are directly connected through the support structure 7. When an impact occurs, the baffle 2 contacts the impact at the first time, causing the support structure 7 to be compressed and deformed. The hydraulic characteristics of the baffle 2 generate damping to further reduce the impact force. The baffle 2 and the heat pipe structure 7 cooperate with each other to reduce the impact. The baffle 2 is also provided with a multi-layer roller 3 for rodent prevention. When rodents attempt to climb onto the external baffle 2 of the transformer 1, they will be unable to climb due to the rotation of the roller 3. The multi-layer roller 3 is provided to ensure safety. At the same time, a number of heat dissipation holes are opened on the surface of the roller 3 to further help dissipate heat.

[0027] The above embodiments are merely exemplary embodiments of the present invention and are not intended to limit the scope of the present invention. The scope of protection of the present invention is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the spirit and scope of protection of the present invention, and such modifications or equivalent substitutions shall also be deemed to fall within the scope of protection of the present invention.

Claims

1. A protective dry-type transformer for liquid-cooled container power, comprising a transformer (1), characterized in that: The front and both sides of the transformer (1) are provided with a heat dissipation pipe structure (8), the heat dissipation pipe structure (8) comprising a tube body (801), a main support frame (802), a spring (803), and a secondary support frame (804); a plurality of main support frames (802) arranged at equal intervals are provided on one side of the inner wall of the tube body (801); the front sides of the plurality of main support frames (802) are provided with a spring (803); one end of the plurality of springs (803) is fixedly connected to the front side of the main support frame (802); the other end of the plurality of springs (803) is provided with a secondary support frame (804); the other end of the plurality of springs (803) is fixedly connected to the back side of the secondary support frame (804); the plurality of secondary support frames (804) are adapted to the main support frame (802); and the front sides of the plurality of secondary support frames (804) are in contact with the other side of the inner wall of the tube body (801).

2. The protective dry-type transformer for liquid-cooled container power according to claim 1, characterized in that: A plurality of support structures (7) are provided on the front and both sides of the transformer (1), and the plurality of support structures (7) include a main support rod (701) and a secondary support rod (702), one end of the main support rod (701) is fixedly connected to the front and both sides of the transformer (1), and the other end of the main support rod (701) is provided with a secondary support rod (702), and one end of the secondary support rod (702) is movably connected to the other end of the main support rod (701).

3. The protective dry-type transformer for liquid-cooled container power according to claim 2, characterized in that: The other end of the secondary support rod (702) is provided with a baffle (2), the back of the baffle (2) is fixedly connected to the other end of the secondary support rod (702), and the front of the baffle (2) is provided with a plurality of rollers (3), and rollers (10) are provided on both sides of the rollers (3), and the corresponding ends of the two rollers (10) pass through the roller (3) and extend to the inside, and the surface of the roller (3) is provided with a plurality of heat dissipation holes.

4. The protective dry-type transformer for liquid-cooled container power according to claim 1, characterized in that: A thermal sensing structure (9) is provided on the top of the transformer (1), and the thermal sensing structure (9) comprises a sensing electrode (901), an alarm (902), a bracket (903), a bolt (904), an expansion airbag (905), a power line (906), a heat conducting plate (907), a sensing head (908), and a contact head (909). Bolts (904) are provided on both sides of the bottom of the bracket (903), and a heat conducting plate (907) is provided at the bottom of the bracket (903). The bottom of the heat conducting plate (907) is in contact with the top of the transformer (1).

5. The protective dry-type transformer for liquid-cooled container power according to claim 4, characterized in that: An expansion airbag (905) is provided on the top of the heat conducting plate (907), a contact head (909) is provided on the top of the expansion airbag (905), two alarms (902) are provided on both sides of the top of the bracket (903), a sensing electrode (901) is provided on the top of the bracket (903), a contact head (909) is provided on the bottom of the sensing electrode (901), the contact head (909) passes through the top of the bracket (903) and extends to the outside, the contact head (909) is adapted to the sensing head (908), a power line (906) is provided on the front of the sensing electrode (901), and one end of the power line (906) is connected to the front of the sensing electrode (901) in a phase circuit.

6. The protective dry-type transformer for liquid-cooled container power according to claim 1, characterized in that: A heat dissipation water tank (4) is provided on the back of the transformer (1), a water inlet is provided on one side of the top of the heat dissipation water tank (4), the water inlet is fixedly connected to the heat dissipation pipe structure (8), a water outlet is provided on the other side of the top of the heat dissipation water tank (4), a water pump (6) is provided on one side of the heat dissipation water tank (4), one side of the water pump (6) is fixedly connected to the water outlet, the top of the water pump (6) is fixedly connected to the heat dissipation pipe structure (8), and the top of the water pump (6) is circuit-connected to the other end of the power line (906).

7. The protective dry-type transformer for liquid-cooled container power according to claim 6, characterized in that: A cooling fan (5) is provided on the front of the cooling water tank (4).

8. The protective dry-type transformer for liquid-cooled container power according to claim 1, characterized in that: The heat dissipation pipe structure (8) is an elastic buffer device, and the pipe body (801) is made of elastic material.

Citation Information

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