Isolation transformer with constant temperature mechanism

By designing an isolation transformer with air supply, sealing and heating mechanisms, the stress problem caused by temperature difference is solved, and the stable operation of the transformer in temperature difference areas is achieved and the equipment life is extended.

CN120690549APending Publication Date: 2025-09-23XIAN INST OF INTERPRETATION & TRANSLATION
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Patent Information

Application Number
CN202510751506.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-06
Publication Date
2025-09-23

AI Technical Summary

Technical Problem

When existing isolation transformers are used in areas with large temperature differences, the stress caused by the temperature difference will damage the structure and insulation system of the transformer, resulting in an increased risk of equipment failure.

Method used

An isolation transformer with a constant temperature mechanism is designed, including air supply, sealing and heating mechanisms. By automatically adjusting the cooling effect, the transformer is kept operating within an appropriate temperature range. The air supply mechanism is used for cooling and filtering, the sealing mechanism regulates the air flow, and the heating mechanism provides additional heat at low temperatures to avoid mechanical stress and material aging caused by excessive temperature differences.

Benefits of technology

The transformer can be operated stably within a suitable temperature range, thus avoiding equipment failure, extending service life, reducing mechanical stress and material aging caused by temperature differences, and improving equipment stability and reliability.

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Abstract

The invention relates to the technical field of isolation transformers, and discloses an isolation transformer with a constant temperature mechanism, comprising: an insulating sleeve for providing support installation; the transformer is used for isolating and transmitting electric energy; the air supply mechanism is used for supplying air to the transformer; the sealing mechanism is used for performing low-temperature sealing on the transformer; and the heating mechanism is used for carrying out auxiliary heating in a low-temperature environment, the transformer comprises a secondary wire outlet, and the secondary wire outlet is formed in the outer wall of the insulating sleeve. According to the isolation transformer with the constant temperature mechanism and the using method thereof, the cooling effect is automatically adjusted, the device can respond to temperature changes in real time, it is ensured that the transformer operates within a proper temperature range, and equipment failures or damage caused by too high or too low temperature is avoided. The temperature adjusting mechanism keeps the constant temperature of the transformer by increasing or reducing the air flow, and mechanical stress and material aging caused by too large temperature difference are avoided.
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Description

Technical Field

[0001] The present invention relates to the technical field of isolation transformers, in particular to an isolation transformer with a constant temperature mechanism. Background Art

[0002] An isolation transformer is an electrical device primarily used to transfer electrical energy from one circuit to another through electromagnetic induction, while also achieving electrical isolation. Its basic principle is to utilize the transformer's magnetic field coupling to transfer electrical energy from the primary winding (input) to the secondary winding (output) through the transformer's magnetic field. This design not only ensures efficient current transmission but also effectively isolates the circuits at both ends, eliminating direct electrical connection and thus protecting equipment and personnel.

[0003] Chinese patent CN116682639B discloses "a heat dissipation structure for an isolation transformer", which improves the active heat dissipation effect. The heat dissipation fins for passive heat dissipation are relatively single in arrangement direction. When the air is circulating, different wind directions have a greater impact on the heat exchange efficiency of the passive heat dissipation fins with a single arrangement direction. The heat dissipation fins are generally evenly distributed vertically, which determines that the heat dissipation efficiency of the heat dissipation fins with vertical air inlet or front wind is the highest. When the natural wind is sideways, the natural wind is blocked by the heat dissipation fins on the side and it is difficult to contact other heat dissipation fins. By setting a guide fin in the air duct, the natural wind passing through the air duct is tilted to blow towards the radiator fins, so that the fins in the middle position can also exchange heat, thereby improving the heat dissipation effect.

[0004] However, in areas with significant temperature differences between morning and evening, a simple heat dissipation system is insufficient to effectively address the impact of this temperature difference on the isolation transformer, especially in low temperatures. Excessive temperature differences can cause expansion and contraction of metal and insulation materials. Especially in low temperatures, metal shrinks and insulation becomes brittle or even fractures. The stress caused by this temperature difference can damage the transformer's structure and insulation system, increasing the risk of equipment failure. Summary of the Invention

[0005] (1) Technical problems solved In view of the deficiencies of the prior art, the present invention provides an isolation transformer with a constant temperature mechanism, which solves the problem that stress caused by large temperature differences may damage the structure and insulation system of the transformer.

[0006] (2) Technical solution To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an isolation transformer with a constant temperature mechanism, comprising: an insulating sleeve for providing support and installation; a transformer for isolating and transmitting electric energy; an air supply mechanism for supplying air to the transformer; a sealing mechanism for low-temperature sealing of the transformer; and a heating mechanism for auxiliary heating in a low-temperature environment.

[0007] Preferably, the transformer includes a secondary outlet, which is opened on the outer wall of the insulating sleeve, a secondary skeleton is provided on the inner wall of the insulating sleeve, a secondary winding is provided on the secondary skeleton, a U-shaped magnetic core is provided on the inner wall of the insulating sleeve, a primary winding is provided on the outer wall of the U-shaped magnetic core, an iron yoke insulating part is provided on the outer wall of the U-shaped magnetic core, a clamp is provided on the outer wall of the U-shaped magnetic core, and a magnetic column insulating cylinder is provided on the outer wall of the U-shaped magnetic core.

[0008] Preferably, the air supply mechanism includes a top connecting ring, which is fixedly connected to the bottom of the insulating sleeve, the bottom of the top connecting ring is fixedly connected to a bottom cavity part, the inner wall of the bottom cavity part is fixedly connected to a driving motor, the output shaft of the driving motor is fixedly connected to a fan blade, the inner wall of the top connecting ring is fixedly connected to a filter part, the output shaft of the driving motor is fixedly connected to a fixing ring, the outer wall of the fixing ring is fixedly connected to a top strip block, the outer wall of the fixing ring is fixedly connected to a bottom strip block, the outer side of the bottom strip block is fixedly connected to an annular socket, and an exhaust outlet is provided on the inner wall of the annular socket.

[0009] Preferably, a slanted opening is provided on the side of the top strip block, a slender strip-shaped opening is provided on the bottom of the top strip block, and an open groove is provided on the top of the bottom strip block.

[0010] Preferably, the discharge port is communicated with the open groove of the bottom strip block, and the outer wall of the annular receiving member is located between the top connecting ring and the bottom cavity member.

[0011] Preferably, the sealing mechanism includes a top hollow cavity part, the top hollow cavity part is fixedly connected to the top of the insulating sleeve, the inner wall of the top hollow cavity part is fixedly connected to a heat conductor, the outer wall of the heat conductor is fixedly connected to a heat conducting frame, the inner wall of the heat conducting frame is fixedly connected to the top of the thermal expansion sealing telescopic tube, the bottom inner wall of the thermal expansion sealing telescopic tube is fixedly connected to a bent connecting rod, the outer wall of the bent connecting rod is fixedly connected to a top sealing disk, the bottom outer wall of the thermal expansion sealing telescopic tube is fixedly connected to a vertical connecting rod, and the bottom of the vertical connecting rod is fixedly connected to a vertical sealing plate.

[0012] Preferably, the outer wall of the curved connecting rod is piston-connected to the top inner wall of the thermal expansion sealing telescopic tube, the outer wall of the vertical connecting rod is slidingly connected to the inner wall of the heat-conducting frame, and the outer wall with the vertical sealing plate is slidingly connected to the right side of the bottom cavity part.

[0013] Preferably, the heating mechanism includes a lightweight connecting rod, which is fixedly connected to the bottom of the vertical sealing plate, one end of the spring is fixedly connected to the inner wall of the bottom cavity, the other end of the spring is fixedly connected to the friction part, and the output shaft of the drive motor is fixedly connected to the friction disc.

[0014] Preferably, the top and bottom of the friction part are discs, the middle part of the friction part is a rectangular parallelepiped, the middle rectangular parallelepiped of the friction part is connected to the inner wall piston of the bottom cavity part, and circulation channels are opened on the inner wall of the top cavity part and the insulating sleeve, and the circulation channels on the inner wall of the top cavity part and the insulating sleeve are connected.

[0015] (3) Beneficial effects Compared with the prior art, the present invention provides an isolation transformer with a constant temperature mechanism, which has the following beneficial effects: 1. This thermostatically controlled isolation transformer automatically adjusts its cooling effect, responding to temperature changes in real time to ensure the transformer operates within an appropriate temperature range, preventing equipment failure or damage caused by excessively high or low temperatures. The temperature regulation mechanism maintains a constant transformer temperature by increasing or decreasing air flow, preventing mechanical stress and material degradation caused by large temperature differences.

[0016] 2. The isolation transformer with a constant temperature mechanism utilizes an air supply mechanism to turn on the drive motor to drive the fan blades to rotate, so that the outside air enters through the right opening of the bottom cavity and blows air upward to the transformer to cool and dissipate heat, thereby maintaining a stable temperature inside the transformer and preventing damage to the equipment due to excessive temperature.

[0017] 3. The isolation transformer with a constant temperature mechanism uses an air supply mechanism. The wind driven by the fan blades drives the air through the filter element, so that the wind is filtered by the filter element to prevent impurities from entering the transformer. It can reduce overheating caused by foreign matter deposition inside the transformer and avoid performance degradation or damage to the equipment due to heat accumulation or local overheating. During long-term use, the filter element can be cleaned or replaced regularly to keep the air circulation unobstructed and ensure the continuous operation of the air supply mechanism.

[0018] 4. The isolation transformer with a constant temperature mechanism utilizes an air supply mechanism to automatically blow out and discharge impurities accumulated on the surface of the filter element through the rotation of the top bar block and the bottom bar block, thereby reducing the frequency and workload of manual cleaning.

[0019] 5. This isolation transformer with a constant temperature mechanism and its use method utilizes a sealed mechanism to increase air flow when the temperature is too high, improving cooling effectiveness; and to reduce air flow when the temperature drops, preventing overcooling. In this way, the constant temperature control system can accurately maintain the equipment temperature within an appropriate range, ensuring long-term stable operation of the transformer.

[0020] 6. The isolation transformer with a constant temperature mechanism is equipped with a sealed mechanism. When the thermal expansion sealing expansion tube encounters cold air, the top cavity is blocked and sealed to prevent air from being discharged. The air inlet is further sealed to prevent excessive external air from entering the system, which helps the system maintain a more stable operating state in a low temperature environment.

[0021] 7. The isolation transformer with a constant temperature mechanism utilizes a heating mechanism. The friction disc and the friction part generate heat by friction with each other, and the heat is driven upward through the fan blades to heat the transformer. By heating the transformer, the impact of low temperature can be alleviated, and the stress and damage caused by excessive temperature difference can be reduced, thereby reducing the loss of internal components of the equipment and extending the service life of the transformer. In addition, the air in the transformer circulates through the circulation channel, making the temperature of the upper and lower parts of the transformer more uniform, preventing mechanical stress damage caused by temperature difference. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of an isolation transformer with a constant temperature mechanism proposed by the present invention; Figure 2 This is a schematic cross-sectional view of an insulating sleeve of an isolation transformer with a constant temperature mechanism proposed by the present invention; Figure 3 This is a structural schematic diagram of an air supply mechanism for an isolation transformer outlet with a constant temperature mechanism proposed by the present invention; Figure 4 This is a schematic structural diagram of a top strip block of an isolation transformer with a constant temperature mechanism proposed by the present invention; Figure 5 This is a structural schematic diagram of a bottom strip block of an isolation transformer with a constant temperature mechanism proposed by the present invention; Figure 6 This is a structural schematic diagram of an isolation transformer sealing mechanism with a constant temperature mechanism proposed by the present invention; Figure 7 This is a schematic cross-sectional view of a bottom cavity member of an isolation transformer with a constant temperature mechanism proposed by the present invention; Figure 8 This is a structural schematic diagram of an isolation transformer with a constant temperature mechanism proposed by the present invention; Figure 9This is a structural schematic diagram of a circulation channel of an isolation transformer with a constant temperature mechanism proposed by the present invention; Figure 10 This is a schematic structural diagram of an isolation transformer friction disc with a constant temperature mechanism proposed by the present invention.

[0023] In the figure: 1. Insulating sleeve; 2. Transformer; 21. Secondary outlet; 22. Secondary frame; 23. Secondary winding; 24. U-shaped magnetic core; 25. Primary winding; 26. Iron yoke insulation; 27. Clamp; 28. Magnetic column insulation cylinder; 3. Air supply mechanism; 31. Top connecting ring; 32. Bottom cavity; 33. Drive motor; 34. Fan blade; 35. Filter; 36. Fixing ring; 37. Top bar block; 38. Bottom strip block; 39. Annular receiving part; 310. Discharge outlet; 4. Sealing mechanism; 41. Top cavity part; 42. Heat-conducting part; 43. Heat-conducting frame; 44. Thermal expansion sealing telescopic tube; 45. Bent connecting rod; 46. Top sealing disk; 47. Vertical connecting rod; 48. Vertical sealing plate; 5. Heating mechanism; 51. Light connecting rod; 52. Spring; 53. Friction part; 54. Circulation channel; 55. Friction disc. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1 - Figure 10, an isolation transformer with a constant temperature mechanism, comprising: an insulating sleeve 1, used to provide support and installation, and play a role in electrical isolation. The insulating sleeve 1 adopts high-voltage insulation material to ensure that the high-voltage potential between the windings inside the transformer 2 will not cause electrical breakdown. The insulating sleeve 1 not only provides electrical isolation, but also plays a positioning role to ensure the structural stability of each component; the transformer 2 is used for isolating and transmitting electrical energy, transmitting electrical energy from one circuit to another through electromagnetic induction, while ensuring electrical isolation, and is particularly suitable for applications requiring high-voltage isolation, such as X-ray equipment, high-voltage power supply systems in industrial equipment, etc.; an air supply mechanism 3 is used to supply air to the transformer 2, the purpose of which is to provide continuous air flow to take away the heat generated by the transformer 2 during operation, thereby preventing the transformer 2 from overheating, ensuring the stable operation of the transformer 2, avoiding aging of the insulating material or damage to electrical components due to excessive temperature, and improving the service life and reliability of the transformer 2. In addition, the air supply mechanism 3 can also, to a certain extent The invention relates to a novel heating mechanism 5 for heating the transformer 2. ...

[0026] The transformer 2 includes a secondary outlet 21, which is opened on the outer wall of the insulating sleeve 1. The secondary outlet 21 is responsible for guiding the high-voltage current generated by the secondary winding 23 to be safely output to the external circuit. In order to ensure the safe transmission of high-voltage current, the design of the outlet needs to meet the insulation requirements of the voltage level. The diameter of the secondary outlet 21 should be designed according to the specific voltage requirements to ensure that flashover will not occur due to excessive voltage. A secondary skeleton 22 is provided on the inner wall of the insulating sleeve 1. It is a structural member for supporting the secondary winding 23. The secondary skeleton 22 is designed as a coaxial structure and can be arranged with the primary skeleton to ensure uniform magnetic field distribution and keep the secondary winding 23 stable during operation. The material and structural design of the secondary skeleton 22 Taking into account the mechanical strength and electrical insulation, polymer materials with good insulation properties are usually selected. A secondary winding 23 is provided on the secondary frame 22. The secondary winding 23 is wound on the secondary frame 22 and is the core part of the transformer 2 for power conversion. The design of the secondary winding 23 must take into account the current flow requirements, and the selection of the wire must meet the requirements of current density and insulation strength. The coil structure of the winding should minimize the resistance of the current channel to improve the power transmission efficiency. A U-shaped magnetic core 24 is provided on the inner wall of the insulating sleeve 1. The U-shaped magnetic core 24 is the magnetic circuit part of the transformer 2 and is made of high magnetic permeability materials such as manganese-zinc ferrite or nanocrystalline materials. It is mainly used to concentrate and guide the magnetic field. The design shape of the U-shaped magnetic core 24 is convenient for assembly and installation. At the same time, its size and magnetic permeability can meet the insulation requirements between the secondary winding 23 and the magnetic column and iron yoke, ensuring efficient transmission of the magnetic field. The outer wall of the magnetic core is provided with a primary winding 25, so that the transformer 2 can efficiently convert electrical energy. The outer wall of the U-shaped magnetic core 24 is provided with a primary winding 25. The primary winding 25 is wound on the outer wall of the U-shaped magnetic core 24 and is responsible for receiving input electrical energy and transmitting electrical energy to the secondary winding 23 through electromagnetic induction. The primary winding 25 uses high-voltage insulated wire that meets the current requirements to ensure safe operation in a high-voltage environment. The design of the primary winding 25 needs to take into account factors such as current density, winding method, insulation strength, etc. to ensure its stable performance. The outer wall of the U-shaped magnetic core 24 is provided with an iron yoke insulating part 26. The yoke insulator 26 is installed on the outer wall of the U-shaped magnetic core 24 to protect the magnetic core and provide additional electrical insulation. These insulating parts are usually made of non-magnetic materials with high voltage resistance, which can effectively isolate the magnetic core from other conductive components and prevent high-voltage current from interfering with or damaging external equipment. The outer wall of the U-shaped magnetic core 24 is provided with a clamp 27, which is used to fix the U-shaped magnetic core 24 to ensure the stability of the internal structure of the transformer 2. The clamp 27 can be made of metal or non-metallic material. Its main function is to fix the position of the magnetic core and ensure that other components are not interfered with by external forces. The design of the clamp 27 takes into account easy installation, durability and shock resistance to extend the service life of the transformer 2. The outer wall of the U-shaped magnetic core 24 is provided with a magnetic column insulating cylinder 28.The magnetic column insulator 28 is an insulating element installed on the outer wall of the U-shaped magnetic core 24 to further isolate and protect it. The magnetic column insulator 28 is usually made of high-voltage insulating material to ensure that there is no electrical connection between the magnetic column and the external circuit or other conductive parts, thereby avoiding accidental electric shock or current leakage.

[0027] The air supply mechanism 3 includes a top connecting ring 31, which is fixedly connected to the bottom of the insulating sleeve 1. The bottom of the top connecting ring 31 is fixedly connected to a bottom cavity member 32. The top connecting ring 31 and the bottom cavity member 32 are connected by cylinders arranged in a circumferential array. A drive motor 33 is fixedly connected to the inner wall of the bottom cavity member 32. The output shaft of the drive motor 33 is fixedly connected to a fan blade 34. A filter member 35 is fixedly connected to the inner wall of the top connecting ring 31. The output shaft of the drive motor 33 is fixedly connected to a fixing ring 36. The outer wall of the fixing ring 36 is fixedly connected to a top bar block 37. The fixing ring The outer wall of 36 is fixedly connected to the bottom strip block 38, and the outer side of the bottom strip block 38 is fixedly connected to the annular socket 39. The inner wall of the annular socket 39 is provided with a discharge port 310, the side of the top strip block 37 is provided with an inclined opening, the bottom of the top strip block 37 is provided with a slender strip opening, and the top of the bottom strip block 38 is provided with an open groove. The discharge port 310 and the open groove of the bottom strip block 38 are connected to each other, and the outer wall of the annular socket 39 is located between the top connecting ring 31 and the bottom cavity part 32, and the top connecting ring 31 and the bottom cavity part 32 are both rotatably connected to the annular socket 39.

[0028] The sealing mechanism 4 includes a top cavity part 41, the top cavity part 41 is fixedly connected to the top of the insulating sleeve 1, the inner wall of the top cavity part 41 is fixedly connected to a heat conducting part 42, the outer wall of the heat conducting part 42 is fixedly connected to a heat conducting frame 43, the inner wall of the heat conducting frame 43 is fixedly connected to the top of a thermal expansion sealing telescopic tube 44, the bottom inner wall of the thermal expansion sealing telescopic tube 44 is fixedly connected to a bent connecting rod 45, the outer wall of the bent connecting rod 45 is fixedly connected to a top sealing disk 46, the bottom outer wall of the thermal expansion sealing telescopic tube 44 is fixedly connected to a vertical connecting rod 47, and the bottom of the vertical connecting rod 47 is fixedly connected to There is a vertical sealing plate 48, the outer wall of the bent connecting rod 45 is piston-connected to the top inner wall of the thermal expansion sealing telescopic tube 44, carbon dioxide gas is set in the thermal expansion sealing telescopic tube 44, and the carbon dioxide gas will expand due to heat. The outer wall of the vertical connecting rod 47 is slidingly connected to the inner wall of the heat conducting frame 43, and the outer wall of the vertical sealing plate 48 is slidingly connected to the right side of the bottom cavity part 32. An opening is provided on the right side of the bottom cavity part 32, and the outer wall of the right opening of the bottom cavity part 32 is slidingly connected to the vertical sealing plate 48. The up and down sliding of the vertical sealing plate 48 can determine the size of the right opening of the bottom cavity part 32.

[0029] The heating mechanism 5 includes a lightweight connecting rod 51, which is fixedly connected to the bottom of the vertical sealing plate 48. One end of a spring 52 is fixedly connected to the inner wall of the bottom cavity part 32, and the other end of the spring 52 is fixedly connected to a friction part 53. The output shaft of the drive motor 33 is fixedly connected to a friction disc 55. The top and bottom of the friction part 53 are discs, and the middle part of the friction part 53 is a rectangular parallelepiped. The middle rectangular parallelepiped of the friction part 53 is connected to the inner wall piston of the bottom cavity part 32. Circulation channels 54 are provided on the inner walls of the top cavity part 41 and the insulating sleeve 1, and the circulation channels 54 on the inner walls of the top cavity part 41 and the insulating sleeve 1 are both connected.

[0030] A method for using an isolation transformer with a constant temperature mechanism includes the following steps: Step 1: Turn on the drive motor 33 to drive the fan blades 34 to rotate, so that the outside air enters through the right opening of the bottom cavity 32 and blows upward to the transformer 2 to cool and dissipate heat, thereby maintaining the temperature inside the transformer 2 stable and preventing damage to the equipment due to excessive temperature. Step 2: The wind driven by the fan blades 34 drives the air through the filter 35, so that the wind is filtered by the filter 35 to prevent impurities from entering the transformer 2. This can reduce overheating caused by foreign matter deposition inside the transformer 2 and prevent the equipment from performance degradation or damage due to heat accumulation or local overheating. During long-term use, the filter 35 can be cleaned or replaced regularly to maintain smooth air circulation and ensure that the air supply mechanism 3 continues to work. Step 3: The driving motor 33 drives the fixing ring 36 to rotate, and the fixing ring 36 drives the top strip block 37 to rotate. During the rotation of the top strip block 37, the side grooves discharge air downward through the elongated strip at the bottom, so that the bottom filter element 35 is impacted, so that impurities on the surface of the filter element 35 are blown downward into the groove of the bottom strip block 38. At this time, the fixing ring 36 drives the bottom strip block 38 and the annular receiving member 39 to rotate, so that the impurities in the groove of the bottom strip block 38 are thrown out through the discharge port 310 by centrifugal force. Through the rotation of the top strip block 37 and the bottom strip block 38, the impurities accumulated on the surface of the filter element 35 are automatically blown out and discharged, reducing the frequency and workload of manual cleaning; Step 4: The air exhausted through the top cavity 41 passes through the heat conducting member 42. When the temperature of the exhausted air is low, the heat conducting member 42 transmits the temperature change to the heat conducting frame 43, so that the thermal expansion sealing telescopic tube 44 in the heat conducting frame 43 is affected by the temperature change. When the temperature is high, the carbon dioxide gas in the thermal expansion sealing telescopic tube 44 expands due to the heat, so that the thermal expansion sealing telescopic tube 44 drives the vertical connecting rod 47 to move downward, and the vertical connecting rod 47 drives the vertical sealing plate 48 to move downward. At this time, the vertical sealing plate 48 makes the opening on the right side of the bottom cavity 32 larger, allowing more air to enter, increasing the cooling effect, and playing a role in regulating the cooling effect. This mechanism can automatically react according to temperature changes and adjust the operating status of the cooling system in real time. When the temperature is too high, increase the air inflow to improve the cooling effect; when the temperature drops, reduce the air flow to avoid overcooling. In this way, the constant temperature control system can accurately maintain the equipment temperature within an appropriate range to ensure the long-term stable operation of the transformer 2; Step 5: When the thermal expansion sealing expansion tube 44 encounters cold air, the thermal expansion sealing expansion tube 44 contracts when it is cold, and the thermal expansion sealing expansion tube 44 drives the bent connecting rod 45 to move upward, and the bent connecting rod 45 drives the top sealing plate 46 to move upward to block and seal the top cavity 41, so that air will not be discharged. By sealing the exhaust port of the top cavity 41, cold air is prevented from entering, and the system can reduce unnecessary temperature fluctuations, ensuring that the equipment operates under relatively constant temperature conditions, thereby improving the stability and reliability of the system; the thermal expansion sealing expansion tube 44 drives the vertical connecting rod 47 to move upward, and the vertical connecting rod 47 drives the vertical sealing plate 48 to move upward, so that the vertical sealing plate 48 blocks the opening on the right side of the bottom cavity 32, further sealing the air inlet. By further sealing the air inlet, the air flow can be effectively controlled to prevent excessive external air from entering the system, which helps the system maintain a more stable operating state in a low temperature environment; Step six: The vertical sealing plate 48 drives the lightweight connecting rod 51 to move upward, and the lightweight connecting rod 51 moves upward against the friction member 53, and the friction member 53 moves upward against the friction disc 55. The friction disc 55 rotates under the action of the drive motor 33, and the friction disc 55 and the friction member 53 rub against each other to generate heat, and the heat is driven upward through the fan blades 34 to heat the transformer 2. By heating the transformer 2, the impact of low temperature can be alleviated, and the stress and damage caused by excessive temperature difference can be reduced, thereby reducing the loss of internal components of the equipment and extending the service life of the transformer 2; and the air in the transformer 2 is circulated through the circulation channel 54, so that the temperature of the upper and lower parts of the transformer 2 is more uniform, preventing mechanical stress damage caused by temperature difference.

[0031] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

Claims

1. An isolation transformer with a constant temperature mechanism, characterized in that: include: An insulating sleeve (1) for providing support for installation; Transformer (2), used for isolation and transmission of electric energy; An air supply mechanism (3) for supplying air to the transformer (2); A sealing mechanism (4) for performing low-temperature sealing on the transformer (2); The heating mechanism (5) is used for auxiliary heating in a low-temperature environment.

2. The isolation transformer with a constant temperature mechanism according to claim 1, characterized in that: The transformer (2) includes a secondary outlet (21), the secondary outlet (21) is opened on the outer wall of the insulating sleeve (1), a secondary skeleton (22) is provided on the inner wall of the insulating sleeve (1), a secondary winding (23) is provided on the secondary skeleton (22), a U-shaped magnetic core (24) is provided on the inner wall of the insulating sleeve (1), a primary winding (25) is provided on the outer wall of the U-shaped magnetic core (24), an iron yoke insulating member (26) is provided on the outer wall of the U-shaped magnetic core (24), a clamp (27) is provided on the outer wall of the U-shaped magnetic core (24), and a magnetic column insulating cylinder (28) is provided on the outer wall of the U-shaped magnetic core (24).

3. The isolation transformer with a constant temperature mechanism according to claim 2, characterized in that: The air supply mechanism (3) includes a top connecting ring (31), the top connecting ring (31) is fixedly connected to the bottom of the insulating sleeve (1), the bottom of the top connecting ring (31) is fixedly connected to a bottom cavity member (32), the inner wall of the bottom cavity member (32) is fixedly connected to a driving motor (33), the output shaft of the driving motor (33) is fixedly connected to a fan blade (34), the inner wall of the top connecting ring (31) is fixedly connected to a filter member (35), the output shaft of the driving motor (33) is fixedly connected to a fixing ring (36), the outer wall of the fixing ring (36) is fixedly connected to a top strip block (37), the outer wall of the fixing ring (36) is fixedly connected to a bottom strip block (38), the outer side of the bottom strip block (38) is fixedly connected to an annular receiving member (39), and the inner wall of the annular receiving member (39) is provided with an outlet (310).

4. The isolation transformer with a constant temperature mechanism according to claim 3, characterized in that: The side of the top strip block (37) is provided with an inclined opening, the bottom of the top strip block (37) is provided with a slender strip-shaped opening, and the top of the bottom strip block (38) is provided with an open groove.

5. The isolation transformer with a constant temperature mechanism according to claim 3, characterized in that: The discharge port (310) is in communication with the opening groove of the bottom strip block (38), and the outer wall of the annular receiving member (39) is located between the top connecting ring (31) and the bottom cavity member (32).

6. The isolation transformer with a constant temperature mechanism according to claim 3, characterized in that: The sealing mechanism (4) includes a top cavity part (41), the top cavity part (41) is fixedly connected to the top of the insulating sleeve (1), a heat conducting part (42) is fixedly connected to the inner wall of the top cavity part (41), a heat conducting frame (43) is fixedly connected to the outer wall of the heat conducting part (42), the top of a heat expansion sealing telescopic tube (44) is fixedly connected to the inner wall of the heat conducting frame (43), a bent connecting rod (45) is fixedly connected to the bottom inner wall of the heat expansion sealing telescopic tube (44), the outer wall of the bent connecting rod (45) is fixedly connected to the top sealing disk (46), the bottom outer wall of the heat expansion sealing telescopic tube (44) is fixedly connected to a vertical connecting rod (47), and the bottom of the vertical connecting rod (47) is fixedly connected to a vertical sealing plate (48).

7. The isolation transformer with a constant temperature mechanism according to claim 6, characterized in that: The outer wall of the curved connecting rod (45) is piston-connected to the top inner wall of the thermal expansion sealing telescopic tube (44), the outer wall of the vertical connecting rod (47) is slidingly connected to the inner wall of the heat-conducting frame (43), and the outer wall of the vertical sealing plate (48) is slidingly connected to the right side of the bottom cavity (32).

8. The isolation transformer with a constant temperature mechanism according to claim 6, characterized in that: The heating mechanism (5) comprises a lightweight connecting rod (51), wherein the lightweight connecting rod (51) is fixedly connected to the bottom of the vertical sealing plate (48), one end of a spring (52) is fixedly connected to the inner wall of the bottom cavity (32), the other end of the spring (52) is fixedly connected to a friction member (53), and the output shaft of the drive motor (33) is fixedly connected to a friction disc (55).

9. The isolation transformer with a constant temperature mechanism according to claim 8, characterized in that: The top and bottom of the friction member (53) are discs, the middle of the friction member (53) is a rectangular parallelepiped, the middle rectangular parallelepiped of the friction member (53) is connected to the inner wall piston of the bottom cavity member (32), the inner wall of the top cavity member (41) and the insulating sleeve (1) are both provided with a circulation channel (54), and the circulation channels (54) on the inner wall of the top cavity member (41) and the insulating sleeve (1) are both connected.

Citation Information

Patent Citations

  • Heat dissipation structure of isolation transformer

    CN116682639B