High-frequency transformer with spontaneous combustion prevention shell

Abstract

The utility model discloses a high-frequency transformer with a spontaneous combustion prevention shell, and relates to the technical field of high-frequency transformers, the high-frequency transformer comprises a transformer main body and a shell, the transformer main body is composed of an iron core and a coil, the iron core is arranged outside the coil in a surrounding manner, the transformer main body further comprises a bottom frame, and the bottom frame is arranged at the bottom of the iron core in an adhesion manner; the shell is embedded and clamped on the surface of the transformer body along one side of the transformer body, the shell is composed of a left side bridge, an arch bridge, a bottom sheet, a right side bridge and a radiator, the left side bridge and the right side bridge are arranged on the two sides of the arch bridge, the bottom sheet is arranged at the bottom of the left side bridge, and the left side bridge, the arch bridge, the bottom sheet and the right side bridge are all integrally formed by ceramic. And meanwhile, the flame-proof ceramic material can effectively protect the transformer main body from being broken down by high voltage to cause fire.

Description

Technical Field

[0001] The utility model relates to the technical field of high-frequency transformers, in particular to a high-frequency transformer with an anti-spontaneous combustion housing. Background Art

[0002] During operation, high-frequency transformers generate copper loss and iron loss. These two losses are eventually converted into heat energy, causing the iron core and winding of the high-frequency transformer to heat up, and the temperature of the high-frequency transformer to rise. In addition, the winding is also heated by the current, and the heat of the high-frequency transformer is dissipated to the environment. If the insulation temperature of the high-frequency transformer, including the insulation wound on the iron core, exceeds its allowable range for a long time, especially when the oil temperature of the high-frequency transformer is more than 10°C higher than normal or the temperature is still rising, the insulation of the high-frequency transformer is easily damaged and can easily be broken down by high voltage, causing failures, and even fire and spontaneous combustion. If there is a lack of effective isolation measures, the entire circuit board or equipment may catch fire. Utility Model Content

[0003] Therefore, in order to solve the above-mentioned shortcomings, the present invention provides a high-frequency transformer with an anti-spontaneous combustion casing. The protective casing can be easily installed between the transformer body, and the flame-proof ceramic material can effectively protect the transformer body from being broken down by high voltage and causing fire.

[0004] The utility model is achieved in this way: a high-frequency transformer with an anti-spontaneous combustion shell is constructed, including a transformer body and a shell, the transformer body is composed of an iron core and a coil, wherein the iron core is surrounded and arranged on the outside of the coil, the transformer body also includes a bottom frame, and the bottom frame is adhered and arranged on the bottom of the iron core; the shell is nested and engaged with the surface of the transformer body along one side of the transformer body, the shell is composed of a left bridge, an arch bridge, a bottom plate, a right bridge and a radiator, wherein the left bridge and the right bridge are arranged on both sides of the arch bridge, the bottom plate is arranged at the bottom of the left bridge, and the left bridge, the arch bridge, the bottom plate and the right bridge are all integrally formed of ceramics, and the radiator is arranged on the bottom wall of the arch bridge; a fixing piece is provided on one side of the shell, the fixing piece is composed of a surrounding piece and an insulating tape, wherein the insulating tape is adhered to the side of the surrounding piece.

[0005] Furthermore, the radiator is composed of a micro fan, a patch and a power socket. The micro fan is fixedly connected to the bottom wall of the arch bridge through the patch, and the power socket runs through the arch bridge to maintain electrical connection with the micro fan.

[0006] Furthermore, reserved openings are provided along both sides of the upper surface of the iron core, and heat dissipation channels are formed between the reserved openings and the arch bridge.

[0007] Furthermore, an insulating frame is attached and arranged along the side surface of the iron core, and the edge of the insulating frame is sunken inwards.

[0008] Furthermore, a rectangular bayonet is provided on one side of the right bridge, and both the left bridge and the right bridge are adapted to the insulating frame, and the left bridge and the right bridge slide to keep the shell fixed on the transformer body.

[0009] Furthermore, symmetrical limiting clips are provided on the inner side of the surrounding piece, and the limiting clips are adapted to the clip openings.

[0010] The beneficial effects of the present invention can be embodied as follows after specific analysis:

[0011] Advantage 1: Since the main heating parts of the high-frequency transformer are the coil and the iron core, they are prone to burn out if the temperature is too high. At the same time, the ceramic design of the shell itself can ensure rapid heat transfer while also having a flame retardant effect. There are reserved openings on both sides of the upper surface of the iron core, and a heat dissipation channel is formed between the reserved opening and the arch bridge; the heat dissipation channel can use a micro fan to bring the heat generated by the coil when it is working out of the transformer body, thereby ensuring the normal operation of the transformer body and having good flame retardant protection.

[0012] Advantage 2: There are multiple plug-in interfaces between the shell and the transformer body. When the shell completely covers the transformer body, the fixing parts will fix the shell, stick the limit card to the right bridge, and make the limit card stuck in the bayonet. Then wrap the insulating tape around the surface of the right bridge, thereby saving installation space and making the high-frequency transformer more convenient to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of a high-frequency transformer with an anti-spontaneous combustion housing of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the anti-spontaneous combustion housing of the utility model;

[0015] Figure 3 This utility model Figure 2 A cross-sectional schematic diagram of

[0016] Figure numerals: transformer body 1, iron core 11, insulating frame 111, coil 12, reserved opening 13, bottom frame 14, shell 2, left bridge 21, arch bridge 22, bottom plate 23, right bridge 24, bayonet 241, radiator 25, micro fan 251, patch 252, power socket 253, fixing part 3, surrounding plate 31, limit card 311, insulating tape 32. DETAILED DESCRIPTION

[0017] The present invention will be described in detail below with reference to the accompanying drawings, clearly and completely describing the technical solutions in the embodiments of the present invention. The same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention without creative work shall fall within the scope of protection of the present invention.

[0018] It should be understood that ordinal numbers and directional descriptions, such as "first," "second," "third," "upper, lower, left, right," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, in the description of this utility model, unless otherwise expressly specified or limited, the terms "connected" and "connection" should be understood broadly, meaning, for example, fixed connection, detachable connection, or electrical connection; direct connection, or indirect connection through an intermediary, and therefore should not be construed as limiting this utility model.

[0019] The following is a further detailed description of the technical solution of the present invention in conjunction with the accompanying drawings and specific embodiments:

[0020] Example 1: The present application provides a high-frequency transformer with an anti-spontaneous combustion shell, including a transformer body 1 and a shell 2. The transformer body 1 is composed of an iron core 11 and a coil 12, wherein the iron core 11 is surrounded and arranged on the outside of the coil 12, and the transformer body 1 also includes a bottom frame 14, which is adhered to the bottom of the iron core 11; the shell 2 is nested and engaged with the surface of the transformer body 1 along one side of the transformer body 1, and the shell 2 is composed of a left bridge 21, an arch bridge 22, a bottom plate 23, a right bridge 24 and a radiator 25, wherein the left bridge 21 and the right bridge 24 are arranged on both sides of the arch bridge 22, the bottom plate 23 is arranged at the bottom of the left bridge 21, and the left bridge 21, the arch bridge 22, the bottom plate 23 and the right bridge 24 are all ceramic-molded, and the radiator 25 is arranged on the bottom wall of the arch bridge 22; a fixing part 3 is provided on one side of the shell 2, and the fixing part 3 is composed of a surrounding piece 31 and an insulating tape 32, wherein the insulating tape 32 is adhered to the side of the surrounding piece 31.

[0021] See also Figure 3 As shown, the radiator 25 is composed of a micro fan 251, a patch 252 and a power socket 253. The micro fan 251 is fixedly connected to the bottom wall of the arch bridge 22 through the patch 252. The power socket 253 passes through the arch bridge 22 and maintains electrical connection with the micro fan 251. The power socket 253 adopts a hidden design similar to a pin. When powered on, the micro fan 251 can rotate, and the patch 252 can keep the micro fan 251 on the inner wall of the arch bridge 22.

[0022] See also Figure 1-2As shown, reserved openings 13 are provided along both sides of the upper surface of the iron core 11, and a heat dissipation channel is formed between the reserved openings 13 and the arch bridge 22; the heat dissipation channel can bring the heat generated by the coil 12 during operation out of the transformer body 1 through the micro fan 251, because the main heating parts of the high-frequency transformer are the coil 12 and the iron core 11, which are easily burned out if the temperature is too high. At the same time, combined with the ceramic design of the shell 2 itself, it can ensure rapid heat transfer while also having a flame retardant effect and good protection.

[0023] Different from the first embodiment, the present invention also provides a second embodiment. The high-frequency transformer with an anti-spontaneous combustion housing disclosed in the present application can facilitate the installation between the housing 2 and the transformer body 1. At the same time, the housing 2 is made of a flame-proof ceramic material, which can effectively protect the transformer body 1. Figure 1-3 As shown, an insulating frame 111 is pasted and enclosed along the side of the iron core 11, and the edge of the insulating frame 111 is recessed inward; a rectangular slot 241 is provided on one side of the right bridge 24, and both the left bridge 21 and the right bridge 24 are adapted to the insulating frame 111, and the left bridge 21 and the right bridge 24 are slid to keep the shell 2 fixed on the transformer body 1; symmetrical limit cards 311 are provided on the inner side of the surrounding piece 31, and the limit cards 311 are adapted to the slot 241.

[0024] As an example, it should be noted that the transformer body 1 and the shell 2 are maintained in a detachable connection. When the transformer body 1 is installed, the left bridge 21 and the right bridge 24 are pushed along the insulating frame 111. At the same time, the bottom film 13 can be pushed along the bottom of the bottom frame 14 to support the transformer body 1. When the shell 2 completely covers the transformer body 1, the fixing part 3 is used to fix the shell 2, and the limit card 311 is attached to the right bridge 24, and the limit card 311 is stuck in the bayonet 241. Then the insulating tape 32 is wrapped around the surface of the right bridge 24. The shell 2 is designed to effectively fit the transformer body 1, thereby saving installation space.

[0025] To sum up, the high-frequency transformer with an anti-spontaneous combustion casing described in the present invention has a protective casing, which can be easily installed between the transformer body. At the same time, the flame-proof ceramic material can effectively protect the transformer body from being broken down by high voltage and causing fire.

[0026] The above is only an embodiment of the present invention, and the common knowledge such as the specific structure and characteristics of the scheme are not described in detail here; it should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the present invention, and these should also be regarded as the scope of protection of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent; the scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the description can be used to interpret the content of the claims.

Claims

1. A high-frequency transformer with an anti-spontaneous combustion housing, comprising a transformer body (1) and a housing (2), wherein the transformer body (1) is composed of an iron core (11) and a coil (12), wherein the iron core (11) is arranged outside the coil (12), and is characterized in that: The transformer body (1) further includes a bottom frame (14), wherein the bottom frame (14) is adhesively mounted on the bottom of the iron core (11); The housing (2) is nested and engaged with the surface of the transformer body (1) along one side of the transformer body (1), and the housing (2) is composed of a left bridge (21), an arch bridge (22), a bottom plate (23), a right bridge (24) and a radiator (25), wherein the left bridge (21) and the right bridge (24) are arranged on both sides of the arch bridge (22), the bottom plate (23) is arranged at the bottom of the left bridge (21), and the left bridge (21), the arch bridge (22), the bottom plate (23) and the right bridge (24) are all integrally formed of ceramics, and the radiator (25) is arranged on the bottom wall of the arch bridge (22); A fixing member (3) is provided on one side of the housing (2), and the fixing member (3) is composed of a surrounding piece (31) and an insulating tape (32), wherein the insulating tape (32) is adhered to the side surface of the surrounding piece (31).

2. The high-frequency transformer with an anti-spontaneous combustion housing according to claim 1, characterized in that: The radiator (25) is composed of a micro fan (251), a patch (252) and an electric socket (253); the micro fan (251) is fixedly connected to the bottom wall of the arch bridge (22) through the patch (252); and the electric socket (253) penetrates the arch bridge (22) and maintains electrical connection with the micro fan (251).

3. The high-frequency transformer with an anti-spontaneous combustion housing according to claim 1, characterized in that: Reserved openings (13) are provided along both sides of the upper surface of the iron core (11), and a heat dissipation channel is formed between the reserved openings (13) and the arch bridge (22).

4. The high-frequency transformer with an anti-spontaneous combustion housing according to claim 1, characterized in that: An insulating frame (111) is adhered and arranged along the side surface of the iron core (11), and the edge of the insulating frame (111) is recessed inwards.

5. The high-frequency transformer with an anti-spontaneous combustion housing according to claim 1, characterized in that: One side of the right bridge (24) is provided with a rectangular bayonet (241), and both the left bridge (21) and the right bridge (24) are adapted to the insulating frame (111). The left bridge (21) and the right bridge (24) are slid to keep the housing (2) sleeved and fixed on the transformer body (1).

6. The high-frequency transformer with an anti-spontaneous combustion housing according to claim 1, characterized in that: Symmetrical limiting clips (311) are provided on the inner side of the surrounding piece (31), and the limiting clips (311) and the clip openings (241) are adapted to each other.

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