Planar transformer insulating sheath

Abstract

The utility model provides a planar transformer insulating sheath, and belongs to the technical field of chargers. The problem that an existing insulating sheath is usually short in safety distance is mainly solved. According to the technical scheme, the transformer comprises a first PCB and a second PCB, the second PCB is arranged on one side of the first PCB, a first insulating sheath is arranged at the top of the first PCB, a second insulating sheath is arranged at the top of the first insulating sheath, a transformer assembly is arranged between the first insulating sheath and the second insulating sheath, and the transformer assembly comprises a first magnetic core, a second magnetic core and a PCB coil; the insulating sheath can insulate a planar transformer and other lines, damage to a charger caused by insufficient safety distance is avoided, the protruding part at the bottom of the first insulating sheath can increase the creepage distance of a primary pole, the distance can be effectively increased when high voltage is tested, test failure is avoided, and the insulating sheath is simple in structure, low in manufacturing cost, convenient to install and suitable for popularization and application. The problem that the safety distance of an existing insulating sheath is usually short is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of charger, more specifically, especially relate to a plane transformer insulation sheath. BACKGROUND

[0002] With the rapid development of electronic information technology, various intelligent terminal equipment such as mobile phone, tablet computer, notebook computer etc. play an increasingly important role in people's daily life, and the normal use of these devices cannot be separated from stable and reliable power supply, therefore, as essential peripheral equipment, charger is also increasingly valued in the electronic product market, at present, most chargers adopt switching transformer structure, and the core component is transformer.

[0003] Such as patent number for 201220503297.X Chinese utility model patent, provide the transformer insulation sheath, the sheath is set up through upper cover and lower cover, adopt high temperature vulcanization of synthetic silicone rubber, do not deform, high flexibility, long service life, have good insulating property, design is reasonable, easy to install, buckle joint structure is convenient for disassembling and reusing during overhaul, however, the traditional insulation sheath is short in safety distance, and it is easy to cause charger damage. UTILITY MODEL CONTENTS

[0004] In order to solve the above technical problems, the utility model provides a kind of plane transformer insulation sheath, to solve the technical problems that traditional insulation sheath is short in safety distance in prior art.

[0005] The purpose and effect of the plane transformer insulation sheath of the utility model are achieved by the following specific technical means:

[0006] A kind of plane transformer insulation sheath, including first PCB plate and second PCB plate, the first PCB plate side is provided with the second PCB plate, the first PCB plate top is provided with first insulation sheath, the first insulation sheath top has second insulation sheath, transformer assembly is arranged between the first insulation sheath and the second insulation sheath, the transformer assembly includes first magnetic core, second magnetic core and PCB coil, the first insulation sheath bottom is provided with protruding portion.

[0007] According to a preferred embodiment, the first insulation sheath and the second insulation sheath are provided with the PCB coil, one side of the PCB coil is provided with the first magnetic core, and the other side of the PCB coil is provided with the second magnetic core.

[0008] According to a preferred embodiment, the first magnetic core and the second magnetic core are detachably connected on one side, and the first insulation sheath and the second insulation sheath are detachably connected at the bottom.

[0009] According to a preferred embodiment, the first PCB board top is provided with an L-shaped slot, and the first insulating sleeve bottom is clamped in the L-shaped slot.

[0010] According to a preferred embodiment, the first PCB board top is provided with a first clamping slot and a second clamping slot, one end of the PCB coil is clamped in the first clamping slot, and the other end of the PCB coil is clamped in the second clamping slot.

[0011] According to a preferred embodiment, one side of the PCB coil is provided with a mounting slot, and the opposite end of the first insulating sleeve and the second insulating sleeve is provided with a mounting protrusion, and the two groups of mounting protrusions are clamped in the mounting slot.

[0012] According to a preferred embodiment, the first PCB board top is provided with a capacitor.

[0013] According to a preferred embodiment, one side of the first PCB board and the second PCB board are detachably connected.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. Through the cooperation of the first insulating sleeve and the second insulating sleeve, the insulated planar transformer can be insulated with other lines, so that the safety distance is not enough to cause the charger to be damaged, the first insulating sleeve bottom protrusion can increase the initial pole creepage distance, and when testing high voltage, the distance can be effectively pulled apart to avoid test failure, and the problem that the traditional insulating sleeve has a short safety distance and is easy to cause the charger to be damaged is solved.

[0016] 2. When the user installs the insulating sleeve, the second PCB board can be clamped on one side of the first PCB board, the mounting protrusions of the first magnetic core and the second magnetic core are clamped into the mounting slot in the center of the PCB coil, the first insulating sleeve and the second insulating sleeve are installed, the PCB coil, the first magnetic core and the second magnetic core are wrapped in the inside of the first insulating sleeve and the second insulating sleeve, then the first insulating sleeve bottom is aligned with the L-shaped slot of the first PCB board, the two ends of the PCB coil bottom are aligned with the first clamping slot and the second clamping slot of the first PCB board, then the installation is completed by inserting, the convenience is high, and the insulating sleeve has the advantages of simple structure, low manufacturing cost and convenient installation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure diagram of the utility model planar transformer insulating sleeve;

[0018] Figure 2 It is an explosion view of the utility model planar transformer insulating sleeve;

[0019] Figure 3The utility model provides a kind of planar transformer insulation sheath, including first PCB board 100 and second PCB board 101, first PCB board 100 side is provided with second PCB board 101, first PCB board 100 top is provided with first insulation sheath 106, and first insulation sheath 106 top has second insulation sheath 107, and first insulation sheath 106 and second insulation sheath 107 can be insulated planar transformer and other lines, avoid safety distance not enough to lead to charger damage, transformer component is arranged between first insulation sheath 106 and second insulation sheath 107, and transformer component includes first magnetic core 108, second magnetic core 109 and PCB coil 110, and first insulation sheath 106 bottom is provided with protruding part, and protruding part can increase the creepage distance of first pole.

[0020] Figure 4 The utility model provides a kind of planar transformer insulation sheath, including first PCB board 100 and second PCB board 101, first PCB board 100 side is provided with second PCB board 101, first PCB board 100 top is provided with first insulation sheath 106, and first insulation sheath 106 top has second insulation sheath 107, and first insulation sheath 106 and second insulation sheath 107 can be insulated planar transformer and other lines, avoid safety distance not enough to lead to charger damage, transformer component is arranged between first insulation sheath 106 and second insulation sheath 107, and transformer component includes first magnetic core 108, second magnetic core 109 and PCB coil 110, and first insulation sheath 106 bottom is provided with protruding part, and protruding part can increase the creepage distance of first pole.

[0021] In the drawing, the corresponding relationship between component name and figure number is as follows:

[0022] 100, first PCB board;101, second PCB board;102, capacitor;103, L-shaped slot;104, first clamping groove;105, second clamping groove;106, first insulation sheath;107, second insulation sheath;108, first magnetic core;109, second magnetic core;110, PCB coil;111, mounting groove;112, mounting protrusion. Specific implementation

[0023] The embodiment of the utility model is further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0024] Example:

[0025] As shown in the accompanying Figure 1 to the accompanying Figure 4 As shown:

[0026] The utility model provides a kind of planar transformer insulation sheath, including first PCB board 100 and second PCB board 101, first PCB board 100 side is provided with second PCB board 101, first PCB board 100 top is provided with first insulation sheath 106, and first insulation sheath 106 top has second insulation sheath 107, and first insulation sheath 106 and second insulation sheath 107 can be insulated planar transformer and other lines, avoid safety distance not enough to lead to charger damage, transformer component is arranged between first insulation sheath 106 and second insulation sheath 107, and transformer component includes first magnetic core 108, second magnetic core 109 and PCB coil 110, and first insulation sheath 106 bottom is provided with protruding part, and protruding part can increase the creepage distance of first pole.

[0027] The PCB coil 110 is arranged between the first insulating sheath 106 and the second insulating sheath 107, one side of the PCB coil 110 is provided with the first magnetic core 108, the other side of the PCB coil 110 is provided with the second magnetic core 109, one side of the first magnetic core 108 and the second magnetic core 109 is detachably connected, the bottom of the first insulating sheath 106 and the second insulating sheath 107 is detachably connected, after the first magnetic core 108 and the second magnetic core 109 are installed, the PCB coil 110 is wrapped by the first magnetic core 108 and the second magnetic core 109, after the first insulating sheath 106 and the second insulating sheath 107 are installed, the transformer assembly is wrapped by the first insulating sheath 106 and the second insulating sheath 107, so as to insulate the transformer assembly.

[0028] The L-shaped slot 103 is arranged at the top of the first PCB 100, and the bottom of the first insulating sheath 106 is clamped in the L-shaped slot 103, so that the first insulating sheath 106 is installed.

[0029] The first clamping groove 104 and the second clamping groove 105 are arranged at the top of the first PCB 100, one end of the PCB coil 110 is clamped in the first clamping groove 104, and the other end of the PCB coil 110 is clamped in the second clamping groove 105, so that the PCB coil 110 is fixed on the first PCB 100.

[0030] The mounting groove 111 is arranged at one side of the PCB coil 110, the mounting groove 111 is arranged at the center of the PCB coil 110, and the shape of the mounting groove 111 corresponds to the shape of the mounting protrusion 112, one end of the first insulating sheath 106 and the second insulating sheath 107 is provided with the mounting protrusion 112, and the two groups of mounting protrusions 112 are clamped in the mounting groove 111, through the cooperation of the mounting protrusion 112 and the mounting groove 111 arranged at the center of the PCB coil 110, the first magnetic core 108 and the second magnetic core 109 can be installed on both sides of the PCB coil 110.

[0031] The capacitor 102 is arranged at the top of the first PCB 100, and one side of the first PCB 100 is detachably connected with the second PCB 101.

[0032] The specific use and role of the embodiment are as follows: when the insulating sleeve is used, the second PCB 101 is clamped on one side of the first PCB 100, the mounting protrusion 112 of the first magnetic core 108 and the second magnetic core 109 is clamped into the mounting groove 111 in the center of the PCB coil 110, the first insulating sleeve 106 and the second insulating sleeve 107 are installed, the PCB coil 110, the first magnetic core 108 and the second magnetic core 109 are wrapped in the first insulating sleeve 106 and the second insulating sleeve 107, then the bottom of the first insulating sleeve 106 is aligned with the L-shaped slot 103 of the first PCB 100, the two ends of the bottom of the PCB coil 110 are aligned with the first clamping groove 104 and the second clamping groove 105 of the first PCB 100, then the first insulating sleeve 106 is inserted and installed, and the cooperation of the first insulating sleeve 106 and the second insulating sleeve 107 can insulate the planar transformer from other lines, so that the charger is not damaged due to insufficient safety distance, the protruding part at the bottom of the first insulating sleeve 106 can increase the creepage distance of the first primary, and when high voltage is tested, the distance can be effectively increased to avoid test failure, and the problem that the safety distance of the traditional insulating sleeve is short and the charger is easily damaged is solved.

[0033] Embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the application and its practical application, and to enable others skilled in the art to understand the application for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A planar transformer insulation jacket, characterized by: The utility model provides a PCB transformer, including first PCB board (100) with second PCB board (101), one side of first PCB board (100) is provided with second PCB board (101), the top of first PCB board (100) is provided with first insulating sheath (106), the top of first insulating sheath (106) has second insulating sheath (107), be provided with transformer assembly between first insulating sheath (106) with second insulating sheath (107), and the transformer assembly includes first magnetic core (108), second magnetic core (109) and PCB coil (110), the bottom of first insulating sheath (106) is provided with the protruding part.

2. An insulation sheath for a planar transformer as defined in claim 1, characterized in that: The PCB coil (110) is provided between the first insulating sheath (106) and the second insulating sheath (107), one side of the PCB coil (110) is provided with the first magnetic core (108), and the other side of the PCB coil (110) is provided with the second magnetic core (109).

3. An insulation sheath for a planar transformer as defined in claim 2, characterized in that: The first magnetic core (108) and the second magnetic core (109) are detachably connected on one side, and the first insulating sheath (106) and the second insulating sheath (107) are detachably connected on the bottom.

4. A planar transformer insulation jacket as defined in claim 1, wherein: The first PCB board (100) is provided with an L-shaped slot (103) on the top, and the first insulating sheath (106) is clamped in the L-shaped slot (103).

5. An insulation sheath for a planar transformer as defined in claim 1, wherein: The first PCB board (100) is provided with a first clamping groove (104) and a second clamping groove (105) on the top, one end of the PCB coil (110) is clamped in the first clamping groove (104), and the other end of the PCB coil (110) is clamped in the second clamping groove (105).

6. An insulation sheath for a planar transformer as defined in claim 1, wherein: The PCB coil (110) is provided with a mounting groove (111) on one side, and the first insulating sheath (106) and the second insulating sheath (107) are provided with mounting protrusions (112) on opposite ends.

7. An insulation sheath for a planar transformer as defined in claim 1, wherein: The first PCB board (100) is provided with a capacitor (102) on the top.

8. A planar transformer insulation jacket as defined in claim 1, wherein: One side of the first PCB board (100) is detachably connected with the second PCB board (101).

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