CN112469226A

CN112469226A - Formwork structure and electronic function module

Info

Publication number: CN112469226A
Application number: CN202011396761.5A
Authority: CN
Inventors: 吴烽华; 周佳发
Original assignee: Dongguan Jinrui Electronic Technology Co ltd
Current assignee: Dongguan Keou Magnetoelectric Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-03-09

Abstract

The invention discloses a formwork structure and an electronic function module with the formwork structure, wherein the formwork structure comprises an insulating base, the insulating base is provided with an accommodating cavity and a side wall forming the accommodating cavity, a plurality of terminal grooves for allowing wiring terminals to pass are arranged on the side wall of the accommodating cavity at intervals, each terminal groove comprises a wiring groove at the upper end and a pin groove at the lower end, a lead channel communicated with the accommodating cavity is arranged on each wiring groove, each lead channel comprises a pair of channels which are arranged on the wiring groove and are opposite to the accommodating cavity and are used for allowing connecting leads to pass through, at least one of the pair of channels is a clamping groove, and the width of the clamping groove is smaller than the diameter of the connecting lead so that the clamping groove can clamp the connecting lead in the clamping groove; when the electronic function module with the structure is assembled, the clamping groove can clamp the connecting wire in the clamping groove, so that the connecting wire can be prevented from moving in the welding process, the electronic function module can be assembled more conveniently, and the assembling quality can be effectively improved.

Description

Formwork structure and electronic function module

Technical Field

The invention relates to the technical field of functional module packaging, in particular to a formwork structure for an electronic functional module and the electronic functional module.

Background

The electronic function module, such as filter, transformer, inductor, etc., its main structure includes the mould hull and one or more magnetic rings installed in the mould hull, each magnetic ring is connected with several connecting wires, when producing, each wire is connected with the terminal on the mould hull. When the terminals are connected, the connecting wires on the magnetic ring need to be pulled into the wiring grooves on the formwork, and then the wiring ends of the connecting wires are welded with the terminals. However, for the existing formwork structure, the width of the wiring groove on the formwork is far larger than the diameter of the connecting lead, for example, chinese patent CN108430169A discloses a method for welding a magnetic coil, according to the specification and the attached drawings 1 and 4, for this formwork structure, in the process of welding the connecting lead, the movement of the connecting lead in the wiring groove cannot be guaranteed, the connecting lead needs to be fixed by other means, otherwise, the welding quality cannot be guaranteed. Therefore, there is a need for an improved form work structure of the electronic functional module.

Disclosure of Invention

One of the objects of the present invention is to provide a formwork arrangement that secures the connecting wires in the welding position during assembly.

Another object of the present invention is to provide an electronic functional module capable of securing a connecting wire at a soldering position during an assembling process, so as to improve assembling quality.

In order to achieve the above object, the present invention discloses a formwork structure for an electronic functional module, the shuttering structure comprises an insulating base, the insulating base is provided with a holding cavity for holding the electronic function module and a side wall forming the holding cavity, a plurality of terminal grooves for the terminal to pass through are arranged on the side wall of the accommodating cavity at intervals, the terminal grooves comprise wiring grooves at the upper end and pin grooves at the lower end, the wiring groove is provided with a lead passage communicated with the accommodating cavity, the lead passage comprises a pair of channels which are arranged on two sides of the wiring groove opposite to the accommodating cavity and are used for connecting leads to pass through, and at least one of the pair of channels is a card slot having a width less than a diameter of the connecting wire such that the card slot can retain the connecting wire therein.

Preferably, the slot comprises a guide opening at the top end opening of the slot and a slot groove below the guide opening, and the diameter of the guide opening is larger than that of the slot groove.

Preferably, the guiding opening includes two inclined planes disposed on two side walls of the opening of the channel and extending oppositely to the central axis of the channel.

Preferably, the insulation cover is covered above the accommodating cavity and is clamped with the insulation base.

Preferably, the width of the clamping groove is 0.05-0.25 mm.

The invention also discloses an electronic function module, which comprises the formwork structure, wherein an electronic function module is arranged in the accommodating cavity, a wiring terminal is arranged in the terminal groove, and the wiring terminal comprises a wiring terminal positioned in the wiring groove and a pin end positioned in the pin groove.

Preferably, the terminal is a U-shaped groove which is opened upwards.

Preferably, the wiring terminal is an L-shaped wiring platform.

Preferably, the terminal is a square or circular terminal platform.

Preferably, the electronic function module comprises a plurality of magnetic coils, and each magnetic coil comprises a magnetic ring and a connecting wire wound on the magnetic ring.

Compared with the prior art, the formwork structure on the electronic function module comprises an insulating base, wherein the wiring groove on the insulating base is provided with a wire channel, at least one of the channels forming the wire channel is a clamping groove, and when a connecting wire is straightened and put into the wiring groove through the wire channel in the process of assembling the electronic function module, the clamping groove clamps the connecting wire in the wiring groove, so that the connecting wire is fixed in the wiring groove in a tensioning state, the connecting wire cannot move in welding, and a special fixing tool does not need to be arranged for the connecting wire, so that the assembling of the electronic function module is more convenient, and the assembling quality can be effectively improved.

Drawings

Fig. 1 is a schematic perspective view of an electronic functional module according to an embodiment of the present invention.

Fig. 2 is a longitudinal cross-sectional view of an electronic functional module according to an embodiment of the invention.

Fig. 3 is a schematic perspective view of an insulating base according to an embodiment of the present invention, on which a terminal is mounted.

Fig. 4 is a longitudinal sectional view of the insulating base, on which the connection terminals are not mounted, according to the embodiment of the present invention.

Fig. 5 is a side view of an insulating base in an embodiment of the invention.

Fig. 6 is a schematic perspective view of a connection terminal according to an embodiment of the invention.

Fig. 7 is a schematic perspective view of a terminal according to another embodiment of the invention.

Fig. 8 is a schematic perspective view of a terminal according to another embodiment of the invention.

Fig. 9 is a schematic perspective view of a terminal according to another embodiment of the invention.

Fig. 10 is a schematic perspective view of a terminal according to another embodiment of the invention.

Detailed Description

In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

As shown in fig. 1 to 5, the present invention discloses an electronic function module, which includes a formwork structure, an electronic function module disposed in the formwork structure, and a connection terminal 4. Specifically, the electronic function module in this embodiment includes a plurality of magnetic coils, and each magnetic coil includes a magnetic ring 30 and a connecting wire 31 wound around the magnetic ring 30. The formwork structure comprises an insulating base 10, wherein an accommodating cavity 11 for accommodating an electronic function module and a side wall 12 forming the accommodating cavity 11 are arranged on the insulating base 10, a plurality of terminal grooves 13 for allowing wiring terminals 4 to pass through are arranged on the side wall 12 of the accommodating cavity 11 at intervals, each terminal groove 13 comprises a wiring groove 130 positioned at the upper end and a pin groove 131 positioned at the lower end, a wire channel L communicated with the accommodating cavity 11 is arranged on each wiring groove 130, each wire channel L comprises a pair of channel 14 which is arranged on the wiring groove 130 and opposite to the accommodating cavity 11 and is used for allowing a connecting wire 31 to pass through, at least one of the pair of channel 14 is a clamping groove, and the width D of the clamping groove is smaller than the diameter of the connecting wire 31, so that the clamping groove can clamp the connecting wire 31 therein. The terminal block 4 includes a terminal 40 positioned in the terminal groove 130 and a pin end 41 positioned in the pin groove 131.

In addition, in the above embodiment, two opposite sides of the receiving cavity 11 respectively have a side wall 12, the two side walls 12 are provided with terminal slots 13, the magnetic ring 30 is provided with connecting wires 31 respectively stretching to two sides, when assembling the electronic function module with the above structure, the connecting wires 31 at two sides of the magnetic ring are firstly tightened, the connecting wires 31 on both sides are then respectively placed into the wire connection slots 130 through the wire passage L, since at least one of the grooves 14 constituting the conductor passage L is a card slot, after the connecting conductor 31 enters the wire connecting slot 130, the clamping groove holds the free end of the connecting-wire 31 therein, and holds the connecting-wire 31 in this position in a tensioned state, so that, when the connecting lead 31 is welded on the terminal 40 of the terminal 4, the movement of the connecting lead 31 can be effectively avoided, and the assembly efficiency and the assembly quality of the electronic function module can be improved. Preferably, the two channels 14 forming the wire passage L in the present embodiment are slots, and the width D of the slot is preferably 0.05-0.25 mm.

To facilitate the snapping of the connecting wire 31 into the wire passage L, the channel 14 comprises a guide opening 140 at its top end opening and a wire groove 141 below the guide opening 140, the diameter of the guide opening 140 being larger than the diameter of the wire groove 141. In this embodiment, the connecting wire 31 can be conveniently and accurately inserted into the wire slot 141 by the arrangement of the guide opening 140. Specifically, the guiding opening 140 includes two oppositely extending slopes disposed on two side walls of the opening of the slot 14 relative to the central axis of the slot 14.

In a further improvement, as shown in fig. 1, the formwork structure further includes an insulating cover 15 covering the accommodating cavity 11, and the insulating cover 15 is clamped with the insulating base 10.

In addition, as for the specific structure of the terminal 40 on the terminal block 4, the present embodiment specifically discloses the following five modes.

The first method is as follows: as shown in fig. 6, the terminal 40 is a U-shaped groove opened upward.

The second method comprises the following steps: as shown in fig. 7, the terminal 40 is an L-shaped terminal platform.

The third method comprises the following steps: the terminal 40 is a square platform that can be located on one side of the lead end 41 (see fig. 8) or can be located opposite the lead end 41 (see fig. 9).

The method is as follows: the terminal 40 is a circular wiring platform.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.

Claims

1. The utility model provides a formwork structure, its is used for electronic function module, its characterized in that, formwork structure includes an insulating base, be provided with the holding chamber that is used for holding electronic function module on the insulating base and constitute the lateral wall in holding chamber, the interval is provided with a plurality of terminal grooves that supply the terminal to pass through on the lateral wall in holding chamber, the terminal groove is including being located the wiring groove of upper end and the pin groove that is located the lower extreme, be provided with on the wiring groove with the wire passageway in holding chamber intercommunication, the wire passageway include in on the wiring groove with a pair of channel that supplies connecting wire to pass through that the both sides that the holding chamber is relative set up, and it is a pair of at least one in the channel is the draw-in groove, the width of draw-in groove is less than connecting wire's diameter, so that the draw-in groove can with connecting wire centre gripping wherein.

2. A formwork arrangement in accordance with claim 1, wherein the channel includes a pilot at a top opening thereof and a wire chase below the pilot, the pilot having a diameter greater than a diameter of the wire chase.

3. A formwork arrangement as claimed in claim 2, wherein the guide opening comprises two oppositely extending inclined surfaces on opposite sides of the channel opening relative to a central axis of the channel.

4. A formwork arrangement as claimed in claim 1, further comprising an insulating cover covering the chamber, the insulating cover being snap-fitted to the insulating base.

5. A formwork arrangement in accordance with claim 1, wherein the width of the slot is 0.05-0.25 mm.

6. An electronic function module, comprising a formwork structure as claimed in any one of claims 1 to 5, wherein an electronic function module is disposed in the accommodating chamber, and a connection terminal is disposed in the terminal groove, and the connection terminal comprises a connection terminal located in the connection groove and a pin end located in the pin groove.

7. The electronic function module of claim 6, wherein said terminals are upwardly open U-shaped slots.

8. The electronic function module of claim 6, wherein said terminal is an L-shaped wiring platform.

9. The electronic function module of claim 6, wherein the terminal is a square or circular terminal platform.

10. The electronic function module of claim 6, wherein the electronic function module comprises a plurality of magnetic coils, the magnetic coils comprising a magnetic ring and a connecting wire wound around the magnetic ring.