A high frequency high voltage coil frame

By designing a high-frequency high-voltage coil skeleton, using multiple ring wire frame combinations and diode parallel rectification and filtering technology, the problem of difficult insulation of high-frequency high-voltage transformers and excessive component volume is solved, and the output voltage and power are improved and the transformer volume is reduced.

CN111668002BActive Publication Date: 2025-05-02胡伟
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Patent Information

Application Number
CN202010623892.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-07-02
Publication Date
2025-05-02
Estimated Expiration
2040-07-02

AI Technical Summary

Technical Problem

During the boosting process, high-frequency high-voltage transformers have high turns ratio and high voltage, which makes insulation difficult to deal with. Parasitic parameters such as leakage inductance and distributed capacitors lead to surge voltage and surge current, increasing switching losses, and greatly increasing the volume of rectifier filter elements, affecting the miniaturization design of the power supply.

Method used

A high-frequency high-voltage coil skeleton is designed, using a combination of multiple ring wire frames, and the leads at the diode and the oil wire are connected as inputs. Each wire frame secondary output is rectified and filtered and then outputs from bottom to top in series. The high-voltage diode is boosted to form a high-voltage output, and the distributed capacitance is reduced through a specific wire frame and housing design.

Benefits of technology

The output voltage and power are increased by 1.5 times, the secondary winding distribution capacitance is reduced, the energy transmission efficiency of the transformer is improved, the voltage withstand requirements of rectified silicon stacks and filter capacitor resistor elements are reduced, and the component volume is greatly reduced, resulting in the transformer volume being reduced.

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Abstract

The invention discloses a high-frequency high-voltage coil skeleton, including a sleeve rod, a wire frame is sleeved on the outside of the sleeve rod, and the wire frame is multiple, and an oil line is arranged inside the wire frame, and the oil line is connected to the wire frame by clamping, and the annular wire frame is formed by processing PPO material. A diode is arranged on the lead at the oil line, and the diode is soldered to the lead at the oil line, and there are multiple diodes, and they are connected in series through the lead at the oil line. The high-frequency high-voltage coil skeleton is composed of multiple annular wire frames to achieve high-power and high-voltage output, and multiple annular wire frames are connected in parallel with the primary at the oil line using diodes as input, and the secondary output of each wire frame is rectified and filtered and then output in series from bottom to top, the volume of the component is greatly reduced, so that the volume of the transformer is reduced, the shell is formed by processing PBT material, the groove improves its insulation strength and mechanical strength, and at the same time reduces the volume of the transformer, solves the insulation isolation problem of the high-frequency step-up transformer coil, and is suitable for popularization and use.
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Description

Technical Field

[0001] The invention relates to the technical field of transformer coil skeletons, in particular to a high-frequency and high-voltage coil skeleton. Background Art

[0002] High-frequency and high-voltage transformers play an important role in high-frequency and high-voltage power supply systems and are a key component of the entire system. The working process is to firstly go through inversion and then through rectification and output through a boost transformer. High-frequency and high-voltage transformers play the role of insulation isolation and boosting.

[0003] As the working voltage of high-frequency and high-voltage transformers continues to increase, the transformer's step-up ratio is required to increase continuously, and the turns ratio of the transformer's secondary winding also increases continuously. The high turns ratio and high voltage make insulation difficult to handle. Parasitic parameters such as leakage inductance and distributed capacitance cause surge voltage and surge current to the front-stage power switch tube, distorting the voltage and current waveforms and increasing switching losses. At the same time, the increase in working voltage greatly increases the volume of the silicon stack and capacitor of the output rectifier filter, which in turn greatly increases the volume of the power supply, affecting the miniaturization and compact structure design of the power supply. In view of these situations, in order to avoid the above-mentioned technical problems, it is indeed necessary to provide a high-frequency and high-voltage coil skeleton to overcome the above-mentioned defects in the prior art. Summary of the invention

[0004] The object of the present invention is to provide a high-frequency and high-voltage coil skeleton to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a high-frequency high-voltage coil skeleton, comprising a sleeve rod, a wire frame is sleeved on the outside of the sleeve rod, and there are multiple wire frames, and an oil line is arranged inside the wire frame, and the oil line is connected to the wire frame by clamping, and a diode is arranged on the lead at the oil line, and the diode is soldered to the lead at the oil line, and there are multiple diodes, and they are connected in series through the lead at the oil line.

[0006] Preferably, the sleeve rod is composed of a base and a vertical rod, and the base is "ring-shaped", and the base and the vertical rod are integrally arranged, and the vertical rod is located at the center of the base, and the vertical rod is "cylindrical".

[0007] Preferably, the outer part of the wire rack is sleeved with a shell, and the shell is a hollow structure, and an insertion rod is provided at the center of the shell, and the insertion rod and the shell are integrally arranged, and the insertion rod is movably connected with the sleeve rod.

[0008] Preferably, a groove is provided on the shell, and the groove and the shell are integrally arranged.

[0009] Preferably, the wire rack is composed of a top ring, an intermediate ring and a bottom ring, and the top ring, the intermediate ring and the bottom ring are all "ring-shaped", and the top ring is respectively provided with a top ring plug rod and a fourth wire groove, and the top ring plug rod is located at the center of the bottom of the top ring, and the fourth wire groove is distributed in a "cross" shape on the circumference of the top ring, and the fourth wire groove and the top ring plug rod are both integrally arranged with the top ring, and the intermediate ring is respectively provided with a first wire groove, a third wire groove and a slot, and the first wire groove, the third wire groove and the slot are all integrally arranged with the intermediate ring, and the slot is located at the center of the intermediate ring, and the first wire groove and the third wire groove are respectively located at At the bottom and top of the middle ring, the first wire groove and the third wire groove are respectively distributed in a "cross" on the circumference of the slot, the second wire groove and the bottom ring plug rod are respectively provided on the bottom ring, and the second wire groove and the bottom ring plug rod are integrated with the bottom ring, and the bottom ring plug rod is located at the center of the top of the bottom ring, and the second wire groove is distributed in a "cross" on the circumference of the bottom ring plug rod, and the second wire groove corresponds to the first wire groove up and down, and the third wire groove corresponds to the fourth wire groove up and down, and the top ring plug rod and the bottom ring plug rod correspond to the slot up and down, respectively, and the top ring plug rod and the bottom ring plug rod are respectively movably connected to the slot.

[0010] Compared with the prior art, the invention has the following beneficial effects: the high-frequency high-voltage coil skeleton is composed of a plurality of annular wire frames to realize high-power and high-voltage output, the plurality of annular wire frames are connected in parallel at the primary side using diodes and oil line leads as input, the secondary output of each wire frame is rectified and filtered and then connected in series from bottom to top for output, so that the output voltage and power are increased by 1.5 times, and the high-voltage output is formed by grouping high-voltage diodes 5MA / 20KV or 10MA / 20KV for boosting, 400-850 turns of forward and reverse winding are formed between the two gaps of each group of annular wire frames to form a coil, the wire used is TIW-B0.15 three-layer insulated wire or QZ-2 insulated wire, the distributed capacitance of the secondary winding is reduced, the energy transmission efficiency of the transformer is improved, the withstand voltage requirement for the rectifier silicon stack and the filter capacitor and resistor components is reduced, the component volume is greatly reduced, so that the transformer volume is reduced, the annular wire frame is formed by processing PPO material, the shell is formed by processing PBT material, the groove improves its insulation strength and mechanical strength, and at the same time reduces the volume of the transformer, solves the insulation isolation problem of the high-frequency step-up transformer coil, and is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the present invention;

[0012] Figure 2 It is a schematic diagram of the structure of the oil line and the diode of the present invention;

[0013] Figure 3 It is a schematic structural diagram of the wire rack and the sleeve rod of the present invention.

[0014] In the figure: 1. sleeve rod, 2. wire rack, 3. vertical pole, 4. shell, 5. plug rod, 6. groove, 7. secondary tube, 8. middle ring, 9. top ring, 10. bottom ring, 11. first wire groove, 12. third wire groove, 13. slot, 14. bottom ring plug rod, 15. second wire groove, 16. fourth wire groove, 17. top ring plug rod, 18. base, 19. oil line. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0016] See also Figure 1-3The present invention provides a technical solution: a high-frequency high-voltage coil skeleton, including a sleeve rod 1, a wire frame 2 is sleeved on the outside of the sleeve rod 1, and the wire frame 2 is at least six, and an oil line 19 is arranged inside the wire frame 2, and the oil line 19 is connected to the wire frame 2 by clamping, and a diode 7 is arranged on the lead of the oil line 19, and the diode 7 is soldered to the lead of the oil line 19, and the diode 7 is at least twenty-four, and is connected in series with each other through the lead of the oil line 19, the sleeve rod 1 is composed of a base 18 and a vertical pole 3, and the base 18 is "ring-shaped", and the base 18 and the vertical pole 3 are integrally arranged, and the vertical pole 3 Located at the center of the base 18, and the vertical rod 3 is "cylindrical", the outer sleeve of the wire rack 2 is provided with a shell 4, and the shell 4 is a hollow structure, and the center of the shell 4 is provided with a plug rod 5, and the plug rod 5 and the shell 4 are integrally arranged, and the plug rod 5 and the sleeve rod 1 are movably plugged, and the shell 4 is provided with a groove 6, and the groove 6 and the shell 4 are integrally arranged, the wire rack 2 is composed of a top ring 9, an intermediate ring 8 and a bottom ring 10, and the top ring 9, the intermediate ring 8 and the bottom ring 10 are all "annular", and the top ring 9 is respectively provided with a top ring plug rod 17 and a fourth wire groove 16, and the top ring plug rod 17 is located at the bottom of the top ring 9 The fourth wire groove 16 is distributed on the circumference of the top ring 9 in a "cross" shape, and the fourth wire groove 16 and the top ring plug rod 17 are both integrated with the top ring 9. The middle ring 8 is respectively provided with a first wire groove 11, a third wire groove 12 and a slot 13, and the first wire groove 11, the third wire groove 12 and the slot 13 are all integrated with the middle ring 8, and the slot 13 is located at the center of the middle ring 8, and the first wire groove 11 and the third wire groove 12 are respectively located at the bottom and the top of the middle ring 8, and the first wire groove 11 and the third wire groove 12 are respectively distributed on the circumference of the slot 13 in a "cross" shape. On the circumference, a second wire groove 15 and a bottom ring plug rod 14 are respectively provided on the bottom ring 10, and the second wire groove 15 and the bottom ring plug rod 14 are integrated with the bottom ring 10, and the bottom ring plug rod 14 is located at the center of the top of the bottom ring 10, and the second wire groove 15 is distributed in a "cross" shape on the circumference of the bottom ring plug rod 14, and the second wire groove 15 corresponds to the first wire groove 11 up and down, and the third wire groove 12 corresponds to the fourth wire groove 16 up and down, and the top ring plug rod 17 and the bottom ring plug rod 14 correspond to the slot 13 up and down, and the top ring plug rod 17 and the bottom ring plug rod 14 are movably connected with the slot 13 respectively.

[0017] A high-frequency high-voltage coil skeleton, which is composed of a sleeve rod 1, a wire frame 2, a vertical pole 3, a shell 4, an insertion rod 5, a groove 6, a diode 7, an intermediate ring 8, a top ring 9, a bottom ring 10, a first wire groove 11, a third wire groove 12, a slot 13, a bottom ring insertion rod 14, a second wire groove 15, a fourth wire groove 16, a top ring insertion rod 17, a base 18 and an oil line 19 and other components. When in use, multiple annular wire frames 2 are combined and installed on the sleeve rod 1 to achieve high-power and high-voltage output. Multiple annular wire frames 2 are connected in parallel at the primary side using diodes 7 and oil line leads 19 as inputs. The secondary output of each wire frame 2 is rectified and filtered and then output in series from bottom to top, so that the output voltage and power are increased by 1.5 times. The high-voltage diode 5MA / 20KV or 10MA / 20KV is stepped up to form a high-voltage output. Each group of wire racks 2 is wound 400-850 turns in both directions between the two gaps to form a coil. The wire used is TIW-B0.15 three-layer insulated wire or QZ-2 insulated wire, which reduces the distributed capacitance of the secondary winding and improves the energy transmission efficiency of the transformer. At the same time, it also reduces the withstand voltage requirements for the rectifier silicon stack and the filter capacitor and resistor components. The volume of the components is greatly reduced, which reduces the volume of the transformer. The wire rack 2 is formed by PPO material. Finally, a shell 4 is set on the outside of the wire rack 2. The shell 4 is formed by PBT material. The groove 6 on the shell 4 is used to improve its insulation strength and mechanical strength to complete the assembly of the high-frequency high-voltage coil skeleton.

[0018] In the description of the present invention, it is necessary to understand that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0019] In the present invention, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0020] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-frequency high-voltage coil skeleton, comprising a sleeve rod (1), characterized in that: The outer portion of the sleeve rod (1) is sleeved with a wire frame (2), and the wire frame (2) is multiple, and the wire frame (2) is provided with an oil line (19) inside, and the oil line (19) is connected to the wire frame (2) by snapping, and a diode (7) is provided on the lead of the oil line (19), and the diode (7) is soldered to the lead of the oil line (19), and the diode (7) is multiple and connected in series through the lead of the oil line (19); the sleeve rod (1) is formed by a base (18 ) and a vertical rod (3), and the base (18) is in a "ring shape", and the base (18) and the vertical rod (3) are arranged as a whole, and the vertical rod (3) is located at the center of the base (18), and the vertical rod (3) is in a "cylindrical" shape; the wire rack (2) is composed of a top ring (9), an intermediate ring (8) and a bottom ring (10), and the top ring (9), the intermediate ring (8) and the bottom ring (10) are all in a "ring shape", and the top ring (9) is respectively provided with a top ring plug rod (17) and a fourth wire groove (16), and the top ring insert rod (17) is located at the center of the bottom of the top ring (9), and the fourth wire groove (16) is distributed in a "cross" shape on the circumference of the top ring (9), and the fourth wire groove (16) and the top ring insert rod (17) are both integrally arranged with the top ring (9), and the middle ring (8) is respectively provided with a first wire groove (11), a third wire groove (12) and a slot (13), and the first wire groove (11), the third wire groove (12) and the slot (13) are all integrally arranged with the middle ring (8), and the slot (13) is located at the center of the middle ring (8), and the first wire groove (11) and the third wire groove (12) are respectively located at the middle ring (8) The bottom and top of the bottom ring (10) are respectively provided with a second wire groove (15) and a bottom ring plug rod (14), and the second wire groove (15) and the bottom ring plug rod (14) are both integrally arranged with the bottom ring (10), and the bottom ring plug rod (14) is located at the center of the top of the bottom ring (10), and the second wire groove (15) is distributed in a "cross" shape on the circumference of the bottom ring plug rod (14), and the second wire groove (15) corresponds to the first wire groove (11) in upper and lower parts, and the third wire groove (12) corresponds to the fourth wire groove (16) in upper and lower parts, and the top ring plug rod (17) and the bottom ring plug rod (14) correspond to the slot (13) in upper and lower parts, and the top ring plug rod (17) and the bottom ring plug rod (14) are respectively movably plugged into the slot (13).

2. A high-frequency high-voltage coil skeleton according to claim 1, characterized in that: The outer part of the wire rack (2) is sleeved with a shell (4), and the shell (4) is a hollow structure. An insertion rod (5) is provided at the center of the shell (4), and the insertion rod (5) and the shell (4) are integrally arranged, and the insertion rod (5) is movably plugged into the sleeve rod (1).

3. The high-frequency high-voltage coil skeleton according to claim 2, characterized in that: The shell (4) is provided with a groove (6), and the groove (6) and the shell (4) are integrally arranged.

Citation Information

Patent Citations

  • High-frequency high-voltage coil framework

    CN212161537U