Charging module driving transformer
By setting an inner recess and a wire outlet groove in the housing base, the problems of interference and complex assembly caused by excessively long drive transformer leads are solved, achieving the effects of simplifying the process, improving consistency and reducing the defect rate.
Patent Information
- Application Number
- CN202422834923.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-11-20
AI Technical Summary
The main winding of the existing drive transformer is sunken inside the shell, and the excessively long leads are prone to radiation interference with surrounding components. In addition, the assembly process is complicated, resulting in unstable electrical performance and a high failure rate.
Design a charging module drive transformer, which adopts an inner recessed groove and a wire outlet groove in the plastic shell base. The winding leads are connected to the pins through the wire outlet groove, eliminating the need for a top cover structure and adhesive bonding, and simplifying the assembly process.
It simplifies the assembly process, reduces component interference, improves product consistency and space utilization, reduces material and wire usage, and lowers the defect rate.
Smart Images

Figure CN223638205U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to transformer field, concretely relates to a charging module drive transformer. BACKGROUND
[0002] Drive transformer has been widely applied in switching power supply and so on, can realize square wave input, square wave output.
[0003] As Figure 1 The main winding of the existing drive transformer is sunken in the rubber shell, the lead is too long, is easy to interfere with the surrounding elements, and the I piece needs to be fixed by point bonding and temperature baking, which is complicated and can cause unstable electrical properties and high defective rate.
[0004] Therefore, the utility model is provided. UTILITY MODEL CONTENT
[0005] The utility model solves the problems in the background art.
[0006] To solve the above technical problems, the basic idea of the technical scheme of the utility model is as follows:
[0007] A charging module drive transformer, comprising: a rubber shell base, the rubber shell base is provided with an inner sunken groove in the bottom, a magnetic ring is arranged in the inner sunken groove, a winding is wound around the side of the magnetic ring, a plurality of pins are arranged on both sides of the bottom of the rubber shell base, a plurality of wire outlet grooves are arranged on both sides of the bottom of the rubber shell base and communicated with the inner sunken groove, and a lead is arranged at the end of the winding.
[0008] Optionally, the number of pins is six, two of which are arranged on one side of the rubber shell base, and the other four are arranged on the other side of the rubber shell base.
[0009] Optionally, the number of wire outlet grooves is six, two of which are arranged on one side of the rubber shell base, and the other four are arranged on the other side of the rubber shell base.
[0010] Optionally, the pins are arranged on one side of the wire outlet groove.
[0011] Optionally, the winding comprises three coils, the lead is fixedly connected to the end of each coil, and the lead at the end of each coil is connected to the pin through the wire outlet groove.
[0012] Compared with the prior art, the utility model has the following beneficial effects, of course, any product of the utility model does not necessarily need to achieve all the advantages described below:
[0013] 1, through the line groove set in the shell base, save the top cover piece structure and bonding, save the product material and cover piece mold production link;
[0014] 2, through the line groove set in the shell base, save the cover piece assembly and bonding process, the consistency of product structure is effectively guaranteed;
[0015] 3, the line is from the line groove in the bottom of the shell base, shortens the outgoing line length of winding, saves the wire, the product whole does not become simple because the wire top line is messy, improves the overall consistency of product;
[0016] 4, the outgoing line of winding is simple and reduces the interference with surrounding elements, reduces the element volume, and simultaneously releases limited space for the mainboard, and in today's electronic devices are more and more miniaturized, the application space is wider.
[0017] The specific embodiments of the utility model will be described in further detail below in combination with the drawings. DESCRIPTION OF DRAWINGS
[0018] The drawings in the following description are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.In the drawings
[0019] In the drawings:
[0020] Figure 1 It is the existing drive transformer structure schematic diagram;
[0021] Figure 2 It is the shell base structure schematic diagram;
[0022] Figure 3 It is the inner sink structure schematic diagram;
[0023] Figure 4 It is the magnetic ring structure schematic diagram;
[0024] Figure 5 It is the winding structure schematic diagram;
[0025] Figure 6 It is the pin structure schematic diagram;
[0026] Figure 7 It is the line groove structure schematic diagram;
[0027] Figure 8 It is the winding circuit schematic diagram;
[0028] Figure 9 Winding welding size schematic diagram.
[0029] In the drawings, the components represented by each reference numeral are listed as follows:
[0030] The glue shell base 1, the pin 2, the magnetic ring 3, the winding 4, the lead wire 5, the inner sink groove 6, the outgoing line groove 7.
[0031] It should be noted that these drawings and written descriptions are not intended to limit the concept range of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION
[0032] The utility model will be further explained in detail in combination with the drawings.
[0033] Please refer to Figures 2-7 As shown in the figure, in the embodiment, a charging module driving transformer is provided, comprising: a glue shell base 1, the bottom of the glue shell base 1 is provided with an inner sink groove 6, the inner sink groove 6 is provided with a magnetic ring 3, the winding 4 is wound around the side of the magnetic ring 3, the bottom of the glue shell base 1 is provided with a plurality of pins 2 on both sides, the bottom of the glue shell base 1 is provided with a plurality of outgoing line grooves 7 on both sides, which are communicated with the inner sink groove 6, the end of the winding 4 is provided with a lead wire 5, and the lead wire 5 is connected with the pin 2 through the outgoing line groove 7.
[0034] One aspect of the application of the embodiment is that when the transformer is assembled, the electrodes of the winding 4 are stripped by laser, and the winding 4 is assembled and bonded with the inner sink groove 6 at the bottom of the glue shell base 1, and the magnetic ring 3 and the winding 4 in the inner sink groove 6 are fixed by temperature control baking. It should be noted that all the electrical equipment involved in the application can be powered by a storage battery or an external power source.
[0035] Through the outgoing line groove 7 provided on the glue shell base 1, the top cover structure and bonding are omitted, the product material and the cover mold production link are saved; through the outgoing line groove 7 provided on the glue shell base 1, the cover assembly and bonding process are saved, and the consistency of the product structure is effectively guaranteed; the outgoing line is taken out from the outgoing line groove 7 at the bottom of the glue shell base 1, the outgoing line length of the winding 4 is shortened, the wire material is saved, the product as a whole is simple and neat without being messy due to the outgoing line at the top of the wire material, and the overall consistency of the product is improved; the outgoing line of the winding 4 is simple, which reduces the interference with the surrounding elements, reduces the element volume, and at the same time, leaves limited space for the mainboard, and the application space is wider today when electronic devices are more and more miniaturized.
[0036] As Figures 6-7As shown, in this embodiment, there are six pins 2, two of which are located on one side of the housing base 1 and the other four are located on the other side of the housing base 1; there are six wire outlet slots 7, two of which are located on one side of the housing base 1 and the other four are located on the other side of the housing base 1; the pins 2 are located on one side of the slot opening of the wire outlet slot 7.
[0037] like Figure 4 As shown, the winding 4 in this embodiment includes three coils, and leads 5 are fixedly connected to the ends of the three coils respectively; the end leads 5 of the three coils are respectively connected to six pins 2 through six wire outlet slots 7, wherein the coils are all AIW insulated wires, such as Figure 8 The circuit of winding 4 shown is as follows: Figure 9 The welding dimensions of winding 4 shown are as shown in Table 1, which contains electrical parameters.
[0038] Table 1: Electrical Parameters
[0039]
[0040] Each winding 4 coil is wrapped in a closed magnetic loop in the charging module drive transformer, which has good EMI shielding and insulation effects. In addition, it saves the top cover and fixing adhesive of the original solution for the same size, saving on product structure, materials and processes.
[0041] This utility model is not limited to the above-described embodiments. Anyone should know that structural changes made under the guidance of this utility model, and any technical solutions that are the same as or similar to this utility model, fall within the protection scope of this utility model. Technical aspects, shapes, and structures not described in detail in this utility model are all publicly known technologies.
Claims
1. A charging module drive transformer, characterized by, Include: The rubber shell base (1) bottom is provided with inner groove (6), the inner groove (6) is provided with magnetic ring (3), the magnetic ring (3) side is wound with winding (4), the rubber shell base (1) bottom both sides are provided with a plurality of pins (2), the rubber shell base (1) bottom both sides are provided with a plurality of wire grooves (7) communicated with the inner groove (6), the winding (4) end is provided with lead wire (5), the lead wire (5) is connected with the pin (2) through the wire groove (7).
2. A charging module drive transformer according to claim 1, characterized in that The number of the pin (2) is six, wherein two of the pin (2) is located on one side of the rubber shell base (1), and the other four of the pin (2) is located on the other side of the rubber shell base (1).
3. A charging module drive transformer according to claim 1, wherein, The number of the wire groove (7) is six, wherein two of the wire groove (7) is located on one side of the rubber shell base (1), and the other four of the wire groove (7) is located on the other side of the rubber shell base (1).
4. A charging module drive transformer according to claim 1, wherein, The pin (2) is located on one side of the wire groove (7) slot.
5. A charging module drive transformer according to claim 1, wherein, The winding (4) includes three coils, and the lead wire (5) is respectively fixedly connected to the end of the three coils.
6. A charging module drive transformer according to claim 5, wherein, The lead wire (5) of the end of the three coils is connected with the six pins (2) through the six wire grooves (7).