Resonant leakage inductance transformer for plate-type ozone generator

Abstract

The present application relates to the technical field of power devices, and particularly discloses a resonant leakage inductance transformer for a plate-type ozone generator, comprising: insulating bobbins, two insulating bobbins being longitudinally provided, a primary coil structure and a secondary coil structure being respectively provided on the insulating bobbins in the circumferential direction, and the two insulating bobbins being longitudinally aligned and fixed; magnetic cores, each magnetic core comprising a plurality of protruding portions, the protruding portions extending in the longitudinal direction, the plurality of protruding portions being arranged in a single transverse row, and the protruding portions located in the middle in the arrangement direction respectively longitudinally passing through the middle of the two insulating bobbins; and an insulating fixing frame, the magnetic cores being arranged in the insulating fixing frame. The primary coil structure and the secondary coil structure are each of a multi-layer wound coil structure, and ceramic tubes are inserted between adjacent layers of coils of the coil structure.

Description

A resonant leakage inductance transformer for plate-type ozone generator

[0001] This application claims priority to the Chinese patent application filed with the Patent Office of China on January 5, 2024, with application number 202410015781.5 and application name "A resonant leakage inductance transformer for a plate-type ozone generator", the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to the technical field of power equipment, and in particular to a resonant leakage inductance transformer for a plate-type ozone generator. Background Art

[0003] In traditional transformers used in ozone generators, the transformer needs to be installed in a cabinet together with other insulating components and fastening components. The transformer also has an external resonant inductor, which has a flexible design and adjustable leakage inductance.

[0004] However, this transformer has the following disadvantages:

[0005] The cost of an external resonant inductor for a transformer increases because the separate series inductor is not an independent component. In terms of materials, there will be additional costs for the magnetic core, frame, copper wire for winding the inductor, and labor hours, and the spatial location also needs to be designed separately.

[0006] Because the current of the resonant inductor is AC, in order to reduce the core loss, it will cause a large breath, causing large eddy current losses in the resonant inductor and resulting in a relatively high temperature. Summary of the Invention

[0007] The present application aims to provide a resonant leakage inductance transformer for a plate-type ozone generator to solve or improve at least one of the above-mentioned technical problems.

[0008] In view of this, a first aspect of the present application is to provide a resonant leakage inductance transformer for a plate-type ozone generator.

[0009] The first aspect of the present application provides a resonant leakage inductance transformer for a plate-type ozone generator, comprising: two insulating frames arranged longitudinally, with primary coils and secondary coils respectively arranged circumferentially on the insulating frames; the two insulating frames are longitudinally butted and fixed; a magnetic core, the magnetic core comprising a plurality of protrusions, the protrusions all extending in the longitudinal direction, and the plurality of protrusions are arranged in a single row in the transverse direction, and the protrusions located in the middle along the arrangement direction respectively penetrate longitudinally through the middle of the two insulating frames; an insulating fixing frame, the magnetic core being arranged inside the insulating fixing frame; wherein the primary coil and the secondary coil are both multi-layer wound coil structures, and ceramic tubes are inserted between adjacent layers of coils in the coil structure.

[0010] In any of the above technical solutions, the insulating skeleton includes: a limiting cylinder, the limiting cylinder has a first axis, and the first axes of the limiting cylinders of the two insulating skeletons coincide; any one of the limiting cylinders is connected to the protrusion located in the middle along the arrangement direction to limit the lateral movement between the magnetic core and the insulating skeleton; a long hollow end plate, and a plurality of the long hollow end plates are respectively arranged at the ends of the limiting cylinder; at the end of each limiting cylinder, the long hollow end is circumferentially arranged along the first axis; wherein the long hollow end plate is longitudinally opened with a hollow hole, and the two insulating skeletons are fixedly assembled through the longitudinally corresponding hollow holes.

[0011] In any of the above technical solutions, a groove is provided on the outer wall of the limiting cylinder along the first axial direction, and multiple grooves are arranged along the circumference of the limiting cylinder; wherein, the groove is located between the circumferentially adjacent long hollow end plates along the first axial direction.

[0012] In any of the above technical solutions, multiple ceramic tubes are circumferentially arranged between adjacent layers of coils in the coil structure, and the ceramic tubes are arranged corresponding to the grooves along a preset direction; wherein the preset direction is perpendicular and points to the first axis.

[0013] In any of the above technical solutions, the ceramic tube has a second axis, and a through hole is opened in the ceramic tube along the direction of the second axis; wherein the second axis is parallel to the first axis.

[0014] In any of the above technical solutions, the inner layer coil in the adjacent layer coils of the coil structure has a first bonding area with the ceramic tube inserted in the current adjacent layer coil, and the outer layer coil in the adjacent layer coils of the coil structure has a second bonding area with the ceramic tube inserted in the current adjacent layer coil; the first bonding area is greater than the second bonding area.

[0015] In any of the above technical solutions, the outer walls of the inner coil and the outer coil in adjacent layers of coils in the coil structure and the outer wall of the ceramic tube form a heat dissipation cavity, and the upper and lower ends of the heat dissipation cavity have heat dissipation ports.

[0016] In any of the above technical solutions, each layer of coil in the coil structure except the outermost layer forms a bending portion around the ceramic tube; and the bending portion formed by the innermost layer of coil in the coil structure is located in the groove.

[0017] In any of the above technical solutions, the insulating fixing frame includes: two insulating fastening plates, and the two insulating frames are longitudinally located between the two insulating fastening plates; and multiple fastening bolts are arranged along the circumference of the insulating frame for connecting the two insulating fastening plates.

[0018] In any of the above technical solutions, positioning grooves are respectively provided on opposite surfaces of the two insulating fastening plates, and the magnetic core includes a connecting portion for connecting multiple protrusions; one end of the protrusion away from the connecting portion and the connecting portion respectively abut against the positioning groove.

[0019] In any of the above technical solutions, a fixed plate is provided at one end of the two circumferentially adjacent long hollow end plates away from the limiting cylinder, and the longitudinally corresponding fixed plates are connected through a terminal plate; an insulating tap is provided on the side wall of the terminal plate, and the insulating tap is used to connect the leads of the primary coil and the secondary coil.

[0020] In any of the above technical solutions, the terminal plate, the protrusions at the ends of the magnetic core along the arrangement direction, and the fastening bolts together form a circumferential isolation component, and the isolation component cooperates with the insulating fastening plate to enclose the insulating skeleton, primary coil and secondary coil.

[0021] Compared with the prior art, this application has the following beneficial effects:

[0022] Through the technical solution of the present application, the primary coil and the secondary coil are wound on the high-voltage insulating skeleton and the low-voltage insulating skeleton, the two magnetic cores are aligned and other limiting structures are provided, the magnetic cores are not in direct contact with the primary and secondary coils, and the central cylinder of the skeleton is circular, which reduces wire wear and has a good buffering effect on external forces, that is, good shock resistance. The whole is fastened by the upper and lower insulating fixing plates with fastening bolts, and the outside is not in direct contact with the magnetic core, providing a very simple winding process, achieving less material, low cost and improved production efficiency. The three protrusions of the magnetic core are arranged in layers with the insulating skeleton and the winding, and the structure of the hollow ceramic tube and the upper and lower insulating fastening plates has high thermal stability to improve reliability and safety. The winding process is simple, and it is only necessary to fix the skeleton and then wind the primary coil and the secondary coil.

[0023] Using insulation as a fastening structure reduces eddy current loss at the core end and improves safety. Since the primary and high-level coils are wound longitudinally side by side in the winding slots of two adjacent insulating fixtures, they are very close to each other and do not require independent inductors, resulting in higher energy transmission efficiency and simpler winding processes.

[0024] Additional aspects and advantages of the embodiments according to the present application will become apparent in the following description or will be understood through practice of the embodiments according to the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0026] FIG1 is a schematic structural diagram of a resonant leakage inductance transformer of the present application;

[0027] FIG2 is a schematic diagram of the insulating skeleton structure in the resonant leakage inductance transformer of the present application;

[0028] FIG3 is a schematic diagram of the primary coil and its connection structure in the resonant leakage inductance transformer of the present application;

[0029] FIG4 is a schematic diagram of the secondary coil and its connection structure in the resonant leakage inductance transformer of the present application;

[0030] FIG5 is a schematic diagram of the structure of the insulating fastening plate in the resonant leakage inductance transformer of the present application;

[0031] FIG6 is a schematic diagram of the positioning slot structure in the resonant leakage inductance transformer of the present application.

[0032] Among them, the correspondence between the figure marks and component names in Figures 1-6 is: 1 insulating skeleton, 101 limiting cylinder, 102 long hollow end plate, 103 hollow hole, 104 groove, 105 fixing plate, 2 primary wire package, 3 secondary wire package, 4 magnetic core, 5 insulating fixing frame, 501 insulating fastening plate, 5011 positioning groove, 5012 connecting hole, 502 fastening bolt, 6 ceramic tube, 7 terminal board, 8 insulating tap. DETAILED DESCRIPTION

[0033] In order to more clearly understand the above-mentioned objects, features and advantages of the present application, the present application is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other in the absence of conflict.

[0034] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present application is not limited to the specific embodiments disclosed below.

[0035] 1-6 , a resonant leakage inductance transformer for a plate-type ozone generator according to some embodiments of the present application is described below.

[0036] The embodiments of the first aspect of the present application provide a resonant leakage inductance transformer for a plate-type ozone generator. In some embodiments of the present application, as shown in Figures 1-6, the resonant leakage inductance transformer for a plate-type ozone generator includes:

[0037] Two insulating frames 1 are longitudinally arranged, and primary wire packages 2 and secondary wire packages 3 are circumferentially arranged on the insulating frames 1 respectively; the two insulating frames 1 are longitudinally butt-jointed and fixed.

[0038] The magnetic core 4 includes a plurality of protrusions, all of which extend in the longitudinal direction and are arranged in a single row in the transverse direction. The protrusions in the middle along the arrangement direction respectively penetrate the middle of the two insulating skeletons 1 in the longitudinal direction.

[0039] The insulating fixing frame 5 is provided with the magnetic core 4 inside.

[0040] The primary coil 2 and the secondary coil 3 are both multi-layer coil structures, and ceramic tubes 6 are inserted between adjacent layers of coils in the coil structure.

[0041] Specifically, the magnetic core 4 is provided with three protrusions to form an E-shaped magnetic core 4 .

[0042] The present application provides a resonant leakage inductance transformer for a plate-type ozone generator, wherein the insulating skeleton 1 provides structural support, maintains the position and spacing of the primary coil 2 and the secondary coil 3, and ensures their insulation from the magnetic core 4; the insulating skeleton 1 is made of insulating material, which can prevent current from flowing directly through the insulating skeleton 1, thereby avoiding short circuits and improving equipment safety. The primary coil 2 receives input voltage and generates a magnetic field, and the secondary coil 3 generates an output voltage under the action of the magnetic field. According to the principle of electromagnetic induction, when an alternating current passes through the primary coil 2, a changing magnetic field is generated in the magnetic core 4, and this magnetic field induces an electromotive force (voltage) in the secondary coil 3. The function of the magnetic core 4 is to provide a closed magnetic circuit, increase the magnetic flux, and thus improve the efficiency of the transformer. The magnetic core 4 is composed of a plurality of protrusions, which are arranged in a transverse direction and pass through the middle of the insulating skeleton 1 to form a closed magnetic circuit, effectively guiding the magnetic field from the primary coil 2 to the secondary coil 3. The insulating bracket 5 provides a stable mounting frame for the magnetic core 4 and ensures insulation from other components. It is typically made of a high-strength insulating material that can withstand mechanical stress without disrupting the magnetic circuit. Ceramic tubes 6 are inserted between adjacent coil layers to increase insulation strength and prevent short circuits. Ceramic is a high-strength, high-temperature insulating material that provides effective insulation at high voltages.

[0043] The primary coil 2 and the secondary coil 3 are wound on the insulating skeleton 1 (the insulating skeleton 1 includes a high-voltage insulating skeleton and a low-voltage insulating skeleton), and the magnetic core 4 is aligned with other limiting structures. The magnetic core 4 is not in direct contact with the primary and secondary coils 3. The central cylinder of the skeleton is circular, which reduces wire wear and has a good buffering effect on external forces, that is, it has good shock resistance. The whole is fastened by the upper and lower insulating fixing plates 105 with the fastening bolts 502, and the outside is not in direct contact with the magnetic core 4, providing a very simple winding process, achieving less material, low cost, and improved production efficiency. The three protrusions of the magnetic core 4 are arranged in layers with the insulating skeleton 1 and the winding. The structure of the hollow ceramic tube 6 and the upper and lower insulating fastening plates 501 has high thermal stability to improve reliability and safety. The winding process is simple. It only requires fixing the skeleton and then winding the primary coil 2 and the secondary coil 3.

[0044] Using insulating members as fastening structures reduces eddy current losses at the ends of the magnetic core 4 and improves the safety factor. Because the coils of the primary coil 2 and the secondary coil 3 are wound longitudinally side by side in the winding slots of two adjacent insulating fixtures 5, they are very close together, eliminating the need for independent inductors, resulting in higher energy transmission efficiency and a simpler winding process.

[0045] In any of the above embodiments, the insulating frame 1 includes:

[0046] The limiting cylinder 101 has a first axis, and the first axes of the limiting cylinders 101 of the two insulating skeletons 1 coincide with each other; any limiting cylinder 101 is connected to the protrusion located in the middle along the arrangement direction to limit the lateral movement between the magnetic core 4 and the insulating skeleton 1.

[0047] Multiple long hollow end plates 102 are provided at the ends of the limiting cylinder 101. At each end of the limiting cylinder 101, a long hollow end plate 102 is circumferentially arranged along the first axis. The long hollow end plates 102 are longitudinally defined with hollow holes 103, and the two insulating frames 1 are fixedly assembled through the corresponding longitudinal hollow holes 103.

[0048] In this embodiment, the role of the limiting cylinder 101 is to ensure the relative position between the magnetic core 4 and the insulating skeleton 1 and to limit the lateral movement between them, which is crucial for the correct formation of the magnetic field and the maintenance of electromagnetic properties; the limiting cylinder 101 is connected to the protrusion of the magnetic core 4, because the first axes of the two coincide, which can prevent the magnetic core 4 from moving laterally or being misplaced under the action of electromagnetic force or during mechanical vibration. The long hollow end plate 102 is located at the end of the limiting cylinder 101, and there are usually multiple of them. They are arranged circumferentially along the first axis to support and fix the insulating skeleton 1 and maintain the integrity of the structure; the long hollow end plate 102 is connected to the insulating skeleton 1 through the hollow hole 103. This design not only increases the overall stability of the structure, but also allows wires or other connectors to pass through because the hole is hollow, which increases the flexibility of the design.

[0049] As can be seen from the above, by precisely limiting the position of the magnetic core 4, the formation of the magnetic field can be more accurately controlled, thereby improving the performance of the electromagnetic device. When the electromagnetic device is in operation, the magnetic core 4 and the insulating frame 1 are prevented from shifting due to mechanical vibration or thermal expansion, thereby ensuring the long-term stable operation of the device. The hollow hole 103 provides a simple fixing and assembly method, which is convenient for disassembly and assembly during manufacturing and maintenance. The insulating frame 1 is fixed by the hollow hole 103, avoiding direct contact between metal parts, thereby maintaining electrical insulation. This structural design can be adjusted according to the requirements of different electromagnetic devices to meet diverse application needs.

[0050] By longitudinally aligning the first axes of the two limiting cylinders 101 , the two limiting cylinders 101 are aligned longitudinally for better fixation. The long hollow end plate 102 can fix the limiting cylinders 101 and limit the coil.

[0051] In any of the above embodiments, a groove 104 is formed on the outer wall of the limiting cylinder 101 along the first axis direction, and a plurality of grooves 104 are provided along the circumference of the limiting cylinder 101 .

[0052] The groove 104 is located between the circumferentially adjacent long hollow end plates 102 along the first axial direction.

[0053] In this embodiment, the groove 104 is typically used to reduce the mass of the structure, provide additional elasticity, or be used to install other components, such as seals, clamps, or wires; in electromagnetic applications, the groove 104 can be used to change the magnetic field distribution or provide space for placing insulating materials, thereby reducing magnetic leakage in the magnetic core 4 and improving the overall electromagnetic performance; the groove 104 can also serve as part of a thermal management system, allowing air to flow to dissipate the heat generated by the magnetic core 4.

[0054] By providing grooves 104 in the limiting cylinder 101, its mass can be reduced without sacrificing its structural integrity, which is particularly important for applications that require precise mass control. Grooves 104 can also provide a certain degree of elasticity, helping to absorb vibration and impact. By changing the geometry of the magnetic core 4 and thereby affecting its magnetic resistance, grooves 104 can be used to optimize magnetic field distribution and reduce unnecessary magnetic losses. If insulating material is placed in the grooves 104, the path of the current can be further isolated or guided, improving the safety of the device. Grooves 104 can also improve the heat dissipation efficiency of the magnetic core 4 because they allow air to flow, thereby aiding heat dissipation.

[0055] The grooves 104 are located between circumferentially adjacent long hollow end plates 102, which allows them to serve as connection points between the two end plates, providing additional mechanical support while reducing material usage.

[0056] A groove 104 is opened on the outer wall of the limiting cylinder 101 to increase the unevenness of the outer wall to facilitate the winding of the coil, and multiple grooves are arranged in the circumferential direction to ensure the stable winding of the coil. Since the primary coil 2 and the secondary coil 3 generate heat during work, the groove 104 is opened and longitudinally located between the adjacent long hollow end plates 102, so that the heat generated in the groove 104 can be carried out to the outside along the groove 104 by the air circulating outside, avoiding the long hollow end plate 102 blocking the heat dissipation of the groove 104.

[0057] In any of the above embodiments, a plurality of ceramic tubes 6 are arranged along the circumferential direction between adjacent layers of coils in the coil structure, and the ceramic tubes 6 are arranged corresponding to the grooves 104 along a preset direction.

[0058] The preset direction is a direction perpendicular to and pointing to the first axis.

[0059] In this embodiment, the ceramic tube 6 is mainly used to provide insulation to prevent electrical short circuits between the electromagnetic coils. In a multi-layer coil structure, ceramic tubes 6 are inserted between adjacent layers to increase the insulation distance between layers and improve the voltage resistance of the entire coil. The ceramic tube 6 can also provide mechanical support to a certain extent, enhancing the overall structural stability of the coil. Ceramics is a high-strength, high-insulation material that can operate in high-temperature and high-pressure environments without damage. The use of ceramic tubes 6 reduces the breakdown phenomenon between coils that may be caused by the high electric field intensity.

[0060] The ceramic tube 6 is arranged corresponding to the groove 104 along a preset direction. This design is to utilize the space provided by the groove 104 to place the ceramic tube 6, thereby effectively utilizing the internal space without increasing the external size. At the same time, this design is to optimize the internal heat dissipation path. The groove 104 allows air to flow, and the setting of the ceramic tube 6 may help guide heat from the hot spot area to the groove 104 area, thereby improving the heat dissipation efficiency. The preset direction is vertical, pointing to the first axis, which is usually to be consistent with the direction of the magnetic core 4. The vertically placed ceramic tube 6 can have a minimal impact on the distribution of the magnetic field while maintaining its insulation properties.

[0061] The ceramic tube 6 can support the coil and increase insulation and heat dissipation. By arranging the ceramic tube 6 corresponding to the groove 104, the layered arrangement of the coil can be made more stable. By squeezing the outer layer of coil toward the inner layer of coil, the ceramic tube 6 in between is squeezed to the circumferential position corresponding to the inner layer of coil to achieve positioning and fixation.

[0062] In any of the above embodiments, the ceramic tube 6 has a second axis, and a through hole is formed in the ceramic tube 6 along the second axis.

[0063] The second axis is parallel to the first axis.

[0064] In this embodiment, the through-holes in the ceramic tube 6 function as heat dissipation holes. These holes allow air to circulate, helping to dissipate the heat generated by the current during operation. This ventilation reduces the overall temperature of the device, preventing performance degradation or damage caused by overheating.

[0065] In a multi-layer coil structure, the heat dissipation holes can also help transfer heat from the coil interior to the external environment, preventing heat accumulation inside. The second axis is parallel to the first axis, ensuring that the heat dissipation holes are directly connected along the entire length of the ceramic tube 6. This uniform distribution helps achieve more effective thermal management.

[0066] The design of the heat dissipation holes is based on the principles of heat conduction and convection. Heat is conducted to the heat dissipation holes through the material of the ceramic tube 6, and as air flows through these holes, the heat is carried away, achieving convection heat dissipation. Although heat dissipation holes are provided, the design ensures that the structural integrity of the ceramic tube 6 is not affected. The ceramic tube 6 needs to maintain sufficient mechanical strength to prevent it from breaking during assembly and operation. Even if heat dissipation holes are provided in the ceramic tube 6, due to the high insulating properties of the ceramic itself, these holes do not reduce its performance as an insulator. Ceramic materials can withstand high temperatures without sacrificing insulation.

[0067] Providing through holes in the ceramic tube 6 along the second axis can provide more heat dissipation means for the primary coil 2 and the secondary coil 3 in the longitudinal direction.

[0068] In any of the above embodiments, the inner coil in the adjacent layers of the coil structure has a first bonding area with the ceramic tube 6 inserted in the current adjacent layer of the coil, and the outer coil in the adjacent layers of the coil structure has a second bonding area with the ceramic tube 6 inserted in the current adjacent layer of the coil.

[0069] The first bonding area is larger than the second bonding area.

[0070] In this embodiment, providing different thermal contact areas can correspond to different heat dissipation requirements. Since the inner coil may be more difficult to dissipate heat, providing a larger fitting area can increase its thermal contact with the ceramic tube 6, thereby improving the heat dissipation efficiency. In electromagnetic design, the inner coil is closer to the magnetic core 4, so there may be a higher current density and more heat generation. Therefore, increasing the contact area with the ceramic tube 6 helps heat transfer. The first fitting area (the fitting area of ​​the inner coil) is larger than the second fitting area (the fitting area of ​​the outer coil), which makes the inner coil have a larger contact surface with the ceramic tube 6, which can achieve better heat conduction. Heat is transferred from hotter areas to colder areas, and the larger the contact area, the more efficient the heat conduction. Therefore, increasing the contact area between the inner coil and the ceramic tube 6 can increase the heat transfer rate from the coil to the ceramic tube 6.

[0071] Since the inner coil is close to the magnetic core 4, its magnetic field strength is high and the current density may also be high, resulting in more heat generation. By increasing the contact area, this heat can be more effectively dispersed and the formation of hot spots can be reduced.

[0072] The ceramic tube 6 not only dissipates heat but also provides mechanical support. The larger contact area between the inner coil and the ceramic tube 6 helps increase structural stability and resist mechanical stress caused by thermal expansion.

[0073] By making the first fitting area between the inner coil and the ceramic tube 6 inserted in the current adjacent layer coil larger than the second fitting area between the outer coil and the ceramic tube 6 inserted in the current adjacent layer coil during winding, the two fitted coils of the ceramic tube 6 can compress the ceramic tube 6 to different degrees, ensuring that more force is applied to the inner coil and ensuring the overall winding stability.

[0074] In any of the above embodiments, the outer walls of the inner coil and the outer coil in adjacent layers of coils in the coil structure and the outer wall of the ceramic tube 6 form a heat dissipation cavity, and the upper and lower ends of the heat dissipation cavity have heat dissipation ports.

[0075] In this embodiment, the heat dissipation cavity provides a space for air flow, which helps transfer heat generated by the coil to the external environment. As air flows through the heat dissipation cavity, it removes heat and reduces the temperature of the coil through convection. Vents are provided at the upper and lower ends of the heat dissipation cavity to allow air to enter and exit the cavity. These vents can be used for natural ventilation or in conjunction with a forced cooling device such as a fan to promote air circulation.

[0076] Thermal convection is the process by which a fluid (in this case, air) carries heat as it moves. As air flows through the heat dissipation cavity, it absorbs heat and discharges it out the heat dissipation vents, thereby cooling the coils. As the air inside the heat dissipation cavity is heated, it expands and rises, while the cooler air sinks. This cyclical process of thermal expansion and sinking promotes air flow, enhancing heat dissipation. Heat can be transferred from the coil to the air in the heat dissipation cavity through radiation and conduction. The design of the heat dissipation cavity makes these processes more efficient because they provide a larger surface area and more air flow to dissipate heat. The thermal gradient (i.e., temperature difference) is the driving force behind the flow of heat from high-temperature areas to low-temperature areas. The temperature difference between the interior of the heat dissipation cavity and the external environment encourages heat to flow through the heat dissipation vents, achieving heat dissipation.

[0077] A heat dissipation cavity is formed between the outer walls of the inner and outer coils and the outer wall of the ceramic tube 6 so that the heat emitted between adjacent coils can be directly dissipated, thereby ensuring the overall thermal stability of the device, and finally discharged through the heat dissipation cavity through the heat dissipation ports at the upper and lower ends with the help of non-flowing air.

[0078] In any of the above embodiments, each layer of coil in the coil structure except the outermost layer is wound around the ceramic tube 6 to form a bending portion.

[0079] The bent portion formed by the innermost coil in the coil structure is located in the groove 104 .

[0080] In this embodiment, in electromagnetic applications, the bend of the coil changes the shape and size of the coil, thereby adjusting its inductance and magnetic field distribution. The bend also helps to secure the coil in place, reducing the impact of vibration on the coil position and improving the stability of the overall structure. Placing the bend of the innermost coil within the groove 104 provides an additional fixing point, reducing the movement of the coil during operation. In addition, the groove 104 provides physical space for the bend, preventing the coil from being compressed or worn, thereby reducing the risk of insulation damage.

[0081] The shape and size of a coil significantly influence its electromagnetic properties. The addition of a bend alters the current path, affecting the coil's self-inductance and mutual inductance. By precisely controlling the shape and position of the bend, the coil's electromagnetic field can be optimized, either concentrating or dispersing it to meet specific electromagnetic performance requirements.

[0082] The presence of the bends increases the structural integrity of the coils by resisting deformation caused by temperature fluctuations, vibration, or mechanical shock. Placing the bends within grooves 104 ensures the coils remain stable under mechanical stress, particularly during extended operation or in harsh environments. The bends within grooves 104 act as heat dissipation channels, helping to direct heat generated by the coil current to external heat dissipation cavities or vents. Due to the excellent thermal stability of ceramics, ceramic tubes 6 help disperse heat and prevent localized overheating.

[0083] By forming a bending portion, a plurality of circumferentially arranged coil portions are formed in the coil structure. These bending portions can limit the lateral shaking of the coil and prevent the coil from spreading out, thereby ensuring the overall stability for long-term use. The innermost bending portion is placed in the groove 104 to strengthen the overall securement of the insulating skeleton 1 and the primary coil 2 and the secondary coil 3.

[0084] In any of the above embodiments, the insulating fixing frame 5 includes:

[0085] Two insulating fastening plates 501 are provided, and the two insulating frames 1 are longitudinally located between the two insulating fastening plates 501 .

[0086] A plurality of fastening bolts 502 are provided along the circumference of the insulating frame 1 and are used to connect the two insulating fastening plates 501 .

[0087] In this embodiment, the insulating fastening plates 501 provide a stable and protective platform for the insulating frame 1, allowing it to be fixed longitudinally between the two insulating fastening plates 501, ensuring that the insulating frame will not shift due to external forces such as vibration or impact. The insulating fastening plates 501 also isolate the electrical components, preventing current from passing through the insulating frame 1 and causing short circuits or electric shocks. The fastening bolts 502 are used to fasten and connect the two insulating fastening plates 501, thereby providing additional mechanical stability between the two insulating frames 1. Their design allows a certain amount of adjustment space between the insulating frames, and the pressure or position of the insulating frames can be adjusted according to actual needs.

[0088] The fastening plate, made of electrically insulating material, effectively isolates electrical current, prevents electrical failures, and ensures safe isolation between components. The design utilizes multiple fastening bolts 502 distributed around the insulating frame 1. This distribution helps evenly distribute mechanical stress caused by operation and the external environment, protecting the insulating frame from damage. Due to temperature fluctuations, the coefficients of expansion of insulating materials and metal components differ. The design of the fastening bolts 502 allows for a certain degree of flexibility, thereby maintaining structural integrity during temperature changes.

[0089] Threaded holes are provided at corresponding longitudinal positions of the two insulating fastening plates 501 to facilitate screwing of the fastening bolts 502 to complete the overall fixation of the insulating fixing frame 5. The fastening bolts 502 protrude from the insulating fastening plates 501 so that the protruding parts can be screwed and fixed to the outside to complete the fixation of the device, eliminating the need for additional fixing structures.

[0090] In any of the above embodiments, the two insulating fastening plates 501 have positioning grooves 5011 formed on their opposite surfaces, and the magnetic core 4 includes a connecting portion for connecting the plurality of protrusions.

[0091] One end of the protrusion away from the connecting portion and the connecting portion respectively abut against the positioning groove 5011 .

[0092] In this embodiment, the positioning groove 5011 is used to receive the protrusions and connectors of the magnetic core 4 to secure the magnetic core 4 in a predetermined position. In this way, the positioning groove 5011 reduces movement or vibration of the magnetic core 4 during operation, thereby improving the stability of the device. The magnetic core 4 is composed of multiple protrusions, which are connected by connectors to form a complete magnetic circuit. The design of the protrusions helps to concentrate the magnetic field, while the connectors ensure that the magnetic field is effectively transferred between the various parts of the magnetic core.

[0093] The positioning groove 5011 is precisely machined on the insulating fastening plate to ensure that the protrusion and connection of the magnetic core 4 correspond thereto, which helps to ensure the accurate position of the magnetic core 4 during the assembly process. This precise mechanical docking ensures the stability of the magnetic core 4 in its operating environment and avoids the electromagnetic characteristics being affected by position offset. The protrusion and connection of the magnetic core 4 together form a closed magnetic circuit, which is crucial to the efficiency of equipment such as transformers and inductors. The closed magnetic circuit reduces the leakage of magnetic flux, improves the magnetic properties, and thus enhances the electromagnetic efficiency of the equipment. The structure of the positioning groove 5011 and the magnetic core takes into account thermal expansion.

[0094] Positioning grooves 5011 are respectively provided on opposite surfaces of the two insulating fastening plates 501 , and the protruding portion and the connecting portion are abutted, fixed and laterally limited by means of the inner concave wall of the positioning grooves, thereby ensuring the lateral fixing stability of the magnetic core 4 .

[0095] Furthermore, a connection hole 5012 for screwing and fixing the fastening bolt 502 is opened on the upper surface of the insulating fastening plate 501 .

[0096] In any of the above embodiments, a fixing plate 105 is provided at one end of two circumferentially adjacent long hollow end plates 102 away from the limiting cylinder 101 , and the longitudinally corresponding fixing plates 105 are connected via the terminal plate 7 .

[0097] An insulating tap 8 is provided on the side wall of the terminal board 7 , and the insulating tap 8 is used to connect the leads of the primary coil 2 and the secondary coil 3 .

[0098] In this embodiment, the fixing plate 105 provides a stable support structure for supporting the long hollow end plates 102 and maintaining their position and spacing. Located at the end of two circumferentially adjacent long hollow end plates 102 away from the limiting cylinder, the fixing plate 105 helps maintain the shape and rigidity of the entire insulating bracket 5.

[0099] Terminal blocks are used to connect electrical components, providing electrical connection points for coil leads and other electrical components. They also serve as access points for electrical connections, facilitating electrical testing and maintenance of the coils. By connecting the corresponding longitudinal fixing plates 105, the long hollow end plates 102 form a rigid frame that resists deformation and vibration caused by mechanical stress. The connections between the fixing plates 105 increase the overall strength of the structure and reduce the risk of loosening during long-term operation.

[0100] The terminal block 7 serves as the central point of electrical connection, ensuring that electrical signals and power can be safely and reliably transmitted from the coil to the external circuit or control system. The use of the terminal block can simplify electrical wiring, making connection, detection and maintenance work easier and safer. Although the main functions of the fixing plate 105 and the terminal block 7 are structural and electrical connections, their design also takes into account heat dissipation needs. The choice of materials and the layout of the structure can help dissipate the heat generated by the coil or electrical connection.

[0101] The terminal board 7 has a long "I" hole on the back, and the bolts are sealed inside by an insulating partition. The input and output leads and the transformer primary wire package 2 and secondary wire package 3 leads are connected to the studs and fastened with nuts.

[0102] In any of the above embodiments, the terminal plate 7, the protrusion located at the end of the magnetic core 4 along the arrangement direction, and the fastening bolt 502 together form a circumferential isolation component, and the isolation component cooperates with the insulating fastening plate 501 to enclose the insulating skeleton 1, the primary coil 2 and the secondary coil 3.

[0103] In this embodiment, a circumferential isolation component is formed by a terminal board 7 with practical use function, a protrusion at the end of the magnetic core 4 along the arrangement direction, and a fastening bolt 502, which performs circumferential blocking and limits external moving objects, so as to achieve circumferential protection of the primary wire package 2 and the secondary wire package 3 in the middle, and three-dimensional blocking protection is formed by sealing the upper and lower surfaces of the two insulating fastening plates 501.

[0104] In the description of this application, it should be understood that the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0105] The embodiments described above are merely descriptions of the preferred methods of the present application and do not limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements made to the technical solutions of the present application by ordinary technicians in this field should fall within the scope of protection determined by the claims of the present application.

Claims

1. A resonant leakage inductance transformer for a plate-type ozone generator, characterized in that, Comprising: Two insulating skeletons are arranged longitudinally. A primary wire coil and a secondary wire coil are respectively arranged circumferentially on the insulating skeletons. The two insulating skeletons are longitudinally butted and fixed. A magnetic core, the magnetic core includes a plurality of protruding parts, the protruding parts all extend along the longitudinal direction, and the plurality of protruding parts are arranged in a single row transversely. The protruding parts located in the middle along the arrangement direction longitudinally penetrate through the middle parts of the two insulating skeletons respectively. An insulating fixing frame, the magnetic core is arranged inside the insulating fixing frame. Wherein, both the primary wire coil and the secondary wire coil are coil structures wound in multiple layers, and ceramic tubes are inserted between adjacent layers of coils in the coil structure.

2. The resonant leakage inductance transformer for a plate ozone generator according to claim 1, characterized in that, The insulating skeleton includes: A limiting cylinder body, the limiting cylinder body has a first axis, and the first axes of the limiting cylinder bodies of the two insulating skeletons coincide. Any one of the limiting cylinder bodies is connected to the protruding part located in the middle along the arrangement direction to limit the lateral movement between the magnetic core and the insulating skeleton. Long hollow end plates, a plurality of long hollow end plates are respectively arranged at the ends of the limiting cylinder body. At the end of each limiting cylinder body, the long hollow end is arranged circumferentially along the first axis. Wherein, the long hollow end plates are longitudinally provided with hollow holes, and the two insulating skeletons are fixedly assembled through the longitudinally corresponding hollow holes.

3. The resonant leakage inductance transformer for a plate-type ozone generator according to claim 2, characterized in that, A groove is formed on the outer wall of the limiting cylinder body along the direction of the first axis, and a plurality of the grooves are arranged circumferentially along the limiting cylinder body. Wherein, the groove is located between the circumferentially adjacent long hollow end plates along the direction of the first axis.

4. The resonant leakage inductance transformer for a plate ozone generator according to claim 3, characterized in that, A plurality of ceramic tubes are arranged circumferentially between adjacent layers of coils in the coil structure, and the ceramic tubes are arranged corresponding to the grooves along a preset direction. Wherein, the preset direction is the direction perpendicular to and pointing to the first axis.

5. The resonant leakage inductance transformer for a plate ozone generator according to claim 2, wherein, The ceramic tube has a second axis, and the ceramic tube is provided with a through hole along the direction of the second axis. Wherein, the second axis is parallel to the first axis.

6. The resonant leakage inductance transformer for a plate ozone generator according to claim 5, characterized in that, A heat dissipation cavity is formed between the outer walls of the inner layer coil and the outer layer coil in adjacent layers of coils in the coil structure, and the upper and lower ends of the heat dissipation cavity are provided with heat dissipation openings.

7. The resonant leakage inductance transformer for a plate ozone generator according to claim 2, characterized in that, The insulating fixing frame includes: Two insulating fastening plates are provided. Both of the two insulating skeletons are longitudinally located between the two insulating fastening plates. A plurality of fastening bolts are arranged circumferentially along the insulating skeleton and are used for connecting the two insulating fastening plates.

8. The resonant leakage inductance transformer for a plate ozone generator according to claim 7, characterized in that, Positioning grooves are respectively formed on the opposite surfaces of the two insulating fastening plates, and the magnetic core includes a connecting part for connecting a plurality of the protruding parts. One end of the protruding part away from the connecting part and the connecting part respectively abut against the positioning grooves.

9. The resonant leakage inductance transformer for a plate ozone generator according to claim 8, characterized in that, Fixing plates are arranged at the ends of the circumferentially adjacent two long hollow end plates away from the limiting cylinder body, and the longitudinally corresponding fixing plates are connected by a terminal plate. An insulating tap is arranged on the side wall of the terminal plate, and the insulating tap is used for connecting the lead heads of the primary wire coil and the secondary wire coil.

10. The resonant leakage inductance transformer for a plate ozone generator according to claim 9, characterized in that, The terminal plate, the protruding parts located at the ends of the magnetic core along the arrangement direction, and the fastening bolts together form a circumferential isolation component, and the isolation component cooperates with the insulating fastening plate to enclose the insulating skeleton, the primary wire coil and the secondary wire coil.

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