High-insulativity electronic transformer for medical equipment

Abstract

A high-insulativity electronic transformer for medical equipment comprises a magnetic core, a framework, a coil, a shell, a leading-out wire and a pin, the magnetic core is connected with the front end and the rear end of the framework, the coil is connected with the framework, the shell wraps the magnetic core and the framework, one end of the leading-out wire is connected with the magnetic core, the other end of the leading-out wire is connected with the shell, and the pin is connected with the framework. Wherein the shell is of a U-shaped structure, and the shell comprises a U-shaped shell body, a flange and a fixing groove. Compared with the prior art, two layers of polyimide adhesive tapes are additionally arranged outside the coil, so that the high-temperature resistance and the high-pressure resistance of the coil are improved, and meanwhile, an insulating sleeve is omitted; according to the improved shell structure, the creepage distance is increased, the safety is improved, a fixing structure is provided for the outgoing line, and installation is convenient.

Description

Technical Field

[0001] This utility model relates to the field of transformers, specifically to an electronic transformer for medical devices with high insulation. Background Technology

[0002] As medical devices become more sophisticated, power conversion for new applications requires not only more efficient physical conversion, greater power, and higher current, but also, more importantly, a small, safe, and reliable magnetic device.

[0003] In summary, it is necessary to enhance the voltage and high temperature resistance of the coil while reducing its size; at the same time, improve the overall safety performance to meet the transformer requirements of medical equipment.

[0004] To address the aforementioned issues, we have made a series of improvements. Utility Model Content

[0005] The purpose of this invention is to provide an electronic transformer for medical devices with high insulation performance, so as to overcome the above-mentioned shortcomings and deficiencies of the prior art.

[0006] An electronic transformer for medical devices with high insulation includes: a magnetic core, a frame, a coil, a housing, leads, and pins. The magnetic core is connected to the front and rear ends of the frame, the coil is connected to the frame, the housing is wrapped around the magnetic core and the frame, one end of the lead is connected to the magnetic core, the other end of the lead is connected to the housing, and the pins are connected to the frame.

[0007] The outer shell has a U-shaped structure and includes a U-shaped housing, a retaining edge, and a fixing groove. The inner wall of the U-shaped housing has a groove-shaped structure. The U-shaped housing is connected to the magnetic core. The top and bottom of the U-shaped housing are connected to the frame. The retaining edge is located on the top edge of the U-shaped housing. The side wall of the top edge of the U-shaped housing is provided with a fixing groove, which is connected to the lead wire.

[0008] Furthermore, the coil includes: an insulating wire and a high-temperature polyimide tape, wherein the insulating wire has three layers and the high-temperature polyimide tape has two layers, and the high-temperature polyimide tape is wrapped around the insulating wire.

[0009] The beneficial effects of this utility model are:

[0010] Compared with traditional technology, this invention increases the coil's high temperature and high voltage resistance by adding two extra layers of polyimide tape outside the coil, while eliminating the need for an insulating sleeve. The improved shell structure increases the surface distance, improves safety, and also provides a fixing structure for the lead wires, making installation easier. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model.

[0012] Figure 2 This is an exploded view of the present invention.

[0013] Figure 3 This is a schematic diagram of the coil structure.

[0014] Figure label:

[0015] Magnetic core (100), frame (200), coil (300), housing (400), lead wire (500) and pin (600).

[0016] U-shaped housing (410), flange (420), and fixing groove (430).

[0017] Insulated wire (310) and high-temperature polyimide tape (320). Detailed Implementation

[0018] The present invention will be further described below with reference to specific embodiments. It should be understood that the following embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention.

[0019] Example 1

[0020] Figure 1 This is a schematic diagram of the structure of this utility model. Figure 2 This is an exploded view of the present invention. Figure 3 This is a schematic diagram of the coil structure.

[0021] like Figure 1 As shown, an electronic transformer for medical devices with high insulation includes: a magnetic core (100), a frame (200), a coil (300), a housing (400), a lead wire (500), and pins (600). The magnetic core (100) is connected to the front and rear ends of the frame (200), the coil (300) is connected to the frame (200), the housing (400) is wrapped around the magnetic core (100) and the frame (200), one end of the lead wire (500) is connected to the magnetic core (100), the other end of the lead wire (500) is connected to the housing (400), and the pins (600) are connected to the frame (200).

[0022] like Figure 2As shown, the outer shell (400) has a U-shaped structure and includes: a U-shaped housing (410), a flange (420), and a fixing groove (430). The inner wall of the U-shaped housing (410) has a groove-shaped structure. The U-shaped housing (410) is connected to the magnetic core (100). The top and bottom of the U-shaped housing (410) are connected to the frame (200). The flange (420) is located on the top edge of the U-shaped housing (410). The side wall of the top edge of the U-shaped housing (410) is provided with a fixing groove (430). The fixing groove (430) is connected to the lead wire (500).

[0023] like Figure 3 As shown, the coil (300) includes: an insulating wire (310) and a high-temperature polyimide tape (320). The insulating wire (310) has three layers, and the high-temperature polyimide tape (320) has two layers. The high-temperature polyimide tape (320) is wrapped around the insulating wire (310).

[0024] The innovation of this utility model is reflected in:

[0025] The coil (300) and its corresponding components have been improved. In conventional technology, if protection against high voltage and high temperature is required, an insulating sleeve needs to be added to a regular coil. The insulating sleeve is expensive and requires manual processing. In this invention, the base material is a three-layer insulated wire (310) structure, and then high-temperature polyimide tape (320) is added to both sides. This allows the coil (300) to meet the high-performance requirements of high temperature resistance (150-180℃) and high voltage resistance (7000-10000V). At the same time, the wear resistance of the coil (300) is increased, achieving zero wear and zero pressure damage. More importantly, through this improvement, the insulating sleeve structure can be eliminated, greatly saving costs and labor.

[0026] The invention incorporates a housing (400) structure. Traditional transformers lack a housing structure, but this invention, as an electronic transformer for high-insulation medical devices, has safety requirements. The housing (400) enhances the isolation effect, increasing the surface distance from 2.5mm to 6mm, thus improving safety. The housing of this invention is specifically designed, employing a U-shaped housing (410) connected to the magnetic core (100). This differs significantly from traditional isolation methods, which typically separate the magnetic core (100) from other structures. However, this invention is designed for medical devices, primarily to prevent interference between the transformer and other equipment. Therefore, the U-shaped housing (410) encloses the magnetic core (100) through its inner wall's grooved structure. The high outer wall improves the safety of the magnetic core (100) and pins (600), and the enclosed structure effectively isolates the magnetic core 100 from external equipment. Meanwhile, the outer casing also features a fixing groove (430), which connects to the lead wire (500) for precise positioning, facilitating transformer installation. The retaining edge (420) blocks the magnetic core from the lead wire (500), improving safety.

[0027] The specific embodiments of this utility model have been described above, but this utility model is not limited thereto. Various changes can be made to this utility model as long as they do not depart from its spirit.

Claims

1. An electronic transformer for medical devices with high insulation, characterized in that, include: The magnetic core (100), frame (200), coil (300), outer shell (400), lead wire (500), and pin (600) are connected to the front and rear ends of the frame (200), the coil (300) is connected to the frame (200), the outer shell (400) is wrapped around the magnetic core (100) and the frame (200), one end of the lead wire (500) is connected to the magnetic core (100), the other end of the lead wire (500) is connected to the outer shell (400), and the pin (600) is connected to the frame (200). The outer shell (400) has a U-shaped structure and includes a U-shaped housing (410), a retaining edge (420), and a fixing groove (430). The inner wall of the U-shaped housing (410) has a groove-shaped structure. The U-shaped housing (410) is connected to the magnetic core (100). The top and bottom of the U-shaped housing (410) are connected to the frame (200). The retaining edge (420) is located on the top edge of the U-shaped housing (410). The side wall of the top edge of the U-shaped housing (410) is provided with a fixing groove (430). The fixing groove (430) is connected to the lead wire (500).

2. The electronic transformer for medical devices with high insulation according to claim 1, characterized in that, The coil (300) includes: an insulating wire (310) and a high-temperature polyimide tape (320), wherein the insulating wire (310) has three layers and the high-temperature polyimide tape (320) has two layers, and the high-temperature polyimide tape (320) is wrapped around the insulating wire (310).

Images