CN213936180U

CN213936180U - Jumper structure and diode

Info

Publication number: CN213936180U
Application number: CN202023344159.5U
Authority: CN
Inventors: 赵宇
Original assignee: Shenzhen Xuchanghui Semiconductor Co ltd
Current assignee: Shenzhen Xuchanghui Semiconductor Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-10
Anticipated expiration: 2030-12-31

Abstract

The embodiment of the utility model discloses a jumper wire structure and a diode, which comprises a jumper wire body, a jumper wire body frame and a chip, wherein the jumper wire body frame is used for connecting the diode body frame with the chip; the jumper wire body is provided with a first positioning part and a plurality of welding parts, the first positioning part is used for limiting the movement range of the jumper wire body, and the welding parts are used for welding and fixing the diode body frame and the chip. Through setting up the wire jumper body, set up weld part and first location portion on the wire jumper body, carry out the primary localization through first location portion to the wire jumper body, rethread first location portion and diode frame carry out the primary localization, and the motion range of restriction wire jumper body is with first location portion and diode frame welded connection again, compares in the precision of the equipment control wire jumper installation through high accuracy processing, the utility model discloses a wire jumper structure and diode simple structure require lowly to the precision of processing equipment, can also ensure diode quality and production efficiency simultaneously.

Description

Jumper structure and diode

Technical Field

The utility model relates to a diode technical field especially relates to a wire jumper structure and diode.

Background

The diode comprises a diode frame, a jumper wire and a chip, wherein the jumper wire is used for connecting the chip and the diode frame into an integrated structure. At present, jumper positioning in diodes in the industry is controlled by precision of processing equipment, and the requirement on the processing precision of the equipment is extremely high. Is difficult to be popularized and applied in a large scale.

Therefore, a novel jumper structure and a novel diode for guaranteeing the jumper positioning accuracy are needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at: the jumper structure and the diode are simple and reliable in structure.

In order to achieve one or a part or all of the above or other purposes, the present invention provides a jumper structure, wherein the jumper body is used for connecting the diode body frame and the chip; the jumper wire body is provided with a first positioning part and a plurality of welding parts, the first positioning part is used for limiting the movement range of the jumper wire body, and the welding parts are used for welding and fixing the diode body frame and the chip.

Optionally, the cross section of the jumper body is L-shaped, the welding portion is located on a long side of the jumper body, and the first positioning portion is located on a short side of the jumper body.

Optionally, the weld is a boss.

Optionally, the first positioning portion is a clamping protrusion.

Optionally, a second positioning portion for positioning through glue injection is further arranged on the jumper wire body.

Optionally, the second positioning portion is a positioning hole or a positioning groove.

The utility model discloses another aspect provides a diode, including chip, diode frame and any one of the aforesaid wire jumper structure, the first location portion of wire jumper structure with the installation position that corresponds on the diode frame is connected, is used for the restriction the range of motion of wire jumper structure, the weld part of wire jumper structure with the chip and/or diode frame welded connection.

Optionally, the diode frame includes a first frame and a second frame, the welding portion of the jumper body is electrically connected to the first frame, and the first positioning portion of the jumper body is electrically connected to the second frame.

Optionally, a positioning slot matched with the first positioning portion is disposed at a position, corresponding to the jumper body, on the second frame, so as to limit a movement range of the jumper structure.

Optionally, the first frame and the second frame are U-shaped structures, the U-shaped openings of the first frame and the second frame are oppositely arranged, and the jumper structure is connected in a space enclosed by the first frame and the second frame.

Implement the embodiment of the utility model provides a, will have following beneficial effect:

through setting up the wire jumper body, set up weld part and first location portion on the wire jumper body, carry out the primary localization through first location portion to the wire jumper body, rethread first location portion and diode frame carry out the primary localization, and the motion range of restriction wire jumper body is with first location portion and diode frame welded connection again, compares in the precision of the equipment control wire jumper installation through high accuracy processing, the utility model discloses a wire jumper structure and diode simple structure require lowly to the precision of processing equipment, can also ensure diode quality and production efficiency simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of an embodiment of the jumper structure of the present invention;

FIG. 2 is a top view of the jumper structure of FIG. 1;

fig. 3 is a front view of one embodiment of the diode of the present invention;

fig. 4 is a top view of an embodiment of a diode center frame body of the present invention;

FIG. 5 is a front view of the frame body of FIG. 4;

fig. 6 is a top view of another embodiment of a diode of the present invention;

fig. 7 is a front view of the diode of fig. 6.

In the figure: 1-a jumper structure; 11-a jumper body; 111-a first positioning portion; 112-a weld; 113-a second positioning section; 2-chip; a 3-diode frame; 31-a first frame; 311-diode frame solder; 32-a second frame; 33-positioning the card slot; 34-a third location portion; 35-dents; 4-colloid.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as … … according to upper, lower, left, right, front and back) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a wire jumper structure and including the diode of this wire jumper structure, the wire jumper structure is equipped with first location portion and weld part including the wire jumper body that is the L type on the wire jumper body, first location portion and diode frame attach, weld part and diode frame rigid coupling.

Fig. 1 is the utility model discloses a main view of jumper structure an embodiment, fig. 2 is the plan view of jumper structure in fig. 1, refer to fig. 1 and fig. 2, jumper structure 1 includes jumper body 11, be equipped with first positioning portion 111 and a plurality of weld part 112 on the jumper body 11, first positioning portion 111 is used for restricting the range of motion of jumper body 11, weld part 112 is used for welding fixed diode body frame and chip, tentatively fix jumper body 11 through first positioning portion 111, later rethread welding portion 112 is through solder and chip and diode frame rigid coupling formula structure as an organic whole, compare in the present jumper structure 1 for setting up first positioning portion 111, can obviously reduce the operation degree of difficulty of jumper structure 1 in the erection joint process, reduce the machining precision requirement of processing equipment, thereby improve jumper structure 1's installation effectiveness and installation quality.

The shape of wire jumper body 11 can be diversified, and specific shape can adjust according to actual operation requirement, as long as be provided with the structure that is used for the location on it all should consider to belong to the utility model discloses a protection scope. This embodiment is described in detail only with the embodiment in which the jumper body 11 has an L-shaped cross section. The transversal L type of personally submitting of wire jumper body 11, first locating part 111 is located the minor face of wire jumper body 11, weld part 112 is located the long limit of wire jumper body 11, make wire jumper body 11 in the in-process with this body coupling of frame, make the position of installing the chip on the long limit of wire jumper body 11 and the frame body have certain interval space through the minor face, and then when making with the chip rigid coupling between wire jumper body 11 and diode frame, wire jumper body 11 and chip, be in the installation angle of preferred between wire jumper body 11 and the diode frame, ensure wire jumper body 11 erection joint's reliability to a certain extent.

Optionally, the soldering portion 112 is of a boss structure, specifically, the soldering portion 112 may be a triangular boss, a polygonal boss or a circular boss, and preferably, the soldering portion 112 is a square boss, so as to increase the contact area during die bonding and effectively reduce the thermal impedance of the device.

Optionally, the first positioning portion 111 is a clamping protrusion for clamping the jumper body 11 on the diode frame to perform a preliminary positioning, so as to avoid deviation of the jumper body 11 from the welding portion 112 in a process of welding the jumper body 11, thereby improving welding quality of the jumper body 11 and welding efficiency. It is understood that the first positioning portion 111 may also be a groove structure or a barb mechanism or other structures capable of being used for positioning, which is not limited in this embodiment.

Optionally, the jumper body 11 is further provided with a second positioning portion 113 for positioning through glue injection, and the jumper body 11 is connected with the frame body through solid glue after being stabilized through the glue injection to form an integrated structure, so that the reliability of the connection structure of the jumper body and the frame body is enhanced. Specifically, the second positioning portion 113 may be a positioning hole or a positioning groove, and it is understood that the second positioning portion 113 may be an opening through which the glue can pass.

Fig. 3 is the utility model discloses the front view of an embodiment of diode, fig. 4 is the utility model discloses the top view of an embodiment of frame body in the diode, fig. 5 is the front view of frame body in fig. 4, refer to fig. 3 to 5, the diode includes jumper wire structure 1, chip 2 and diode frame 3, the installation position that corresponds on jumper wire structure 1's first location portion 111 and the diode frame 3 is connected for limit jumper wire structure 1's range of motion, jumper wire structure 1's weld part 112 and chip 2 and/or diode frame 3 welded connection, thereby be connected as an organic whole structure diode frame 3 and chip 2, jumper wire structure 1. The diode frame 3 includes a first frame 31 and a second frame 32, the soldering portion 112 of the jumper body 11 is electrically connected to the first frame 31, and the first positioning portion 111 of the jumper body 11 is electrically connected to the second frame 32. Preferably, a diode frame welding part 311 is further disposed on the first frame 31, and the diode frame welding part 311 is used for welding and connecting the chip 2 and/or the jumper structure 1. Further, still be equipped with indent 35 on diode frame 3, the setting of indent 35 makes diode frame 3 after the injecting glue is stable, can increase the contact area that diode frame 3 and the colloid after the injecting glue is stable connect to and increase diode frame 3 and the frictional force of colloid, guarantee the reliability that diode frame 3 is connected. The first frame 31 and the second frame 32 are integrally of a U-shaped structure, the chip 2 is connected to the inner side of the first frame 31, one end of the jumper wire structure 1 is connected with the chip 2 in a welding mode, the other end of the jumper wire structure is connected with the second frame 32, the chip 2 and the jumper wire structure 1 are located, and U-shaped openings of the first frame 31 and the second frame 32 are oppositely arranged to enclose a space formed by the U-shaped openings. It is understood that the core chip 2 and the jumper structure 1 may be disposed outside the first frame 31 and the second frame 32, and may be adjusted according to the use situation. A positioning slot 33 matched with the first positioning portion 111 is arranged at a position, corresponding to the jumper body 11, on the diode frame 3, and the movement range of the jumper structure 1 is limited by the clamping connection of the positioning slot 33 and the first positioning portion 111.

Optionally, the first frame 31 and the second frame 32 are both provided with a third positioning portion 34, and after glue is injected through the third positioning portion 34, the first frame 31, the second frame 32, the jumper structure 1 and the chip 2 are fixed to be an integrated structure, so that the stability and reliability of the diode mechanism are further ensured.

Fig. 6 is a plan view of another embodiment of the diode of the present invention, fig. 7 is a front view of the diode in fig. 6, referring to fig. 6 and fig. 7, the diode further includes a solid colloid 4, the jumper structure 1, the chip 2 and the diode frame 3 are connected to the structure as an integral whole through the colloid 4, the first positioning portion 111 and the plurality of welding portions 112, and the jumper structure 1 and the chip 2 are wrapped inside the colloid 4, so that the diode is positioned in multiple ways to ensure the forming quality and the processing efficiency of the diode.

The technical features of the embodiments described above can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. Jumper structure, its characterized in that includes:

the jumper wire body is used for connecting the diode body frame and the chip;

the jumper wire body is provided with a first positioning part and a plurality of welding parts, the first positioning part is used for limiting the movement range of the jumper wire body, and the welding parts are used for welding and fixing the diode body frame and the chip.

2. The jumper structure according to claim 1, wherein the jumper body has an L-shaped cross section, the welding portion is located on a long side of the jumper body, and the first positioning portion is located on a short side of the jumper body.

3. The jumper structure of claim 2, wherein the weld is a boss.

4. The jumper structure of claim 1, wherein the first detent is a snap-fit projection.

5. The jumper structure according to claim 1, wherein the jumper body is further provided with a second positioning portion for positioning through glue injection.

6. The jumper structure according to claim 5, wherein the second positioning portion is a positioning hole or a positioning groove.

7. The diode comprises a chip, a diode frame and the jumper structure of any one of claims 1 to 6, wherein the first positioning part of the jumper structure is connected with the corresponding mounting position on the diode frame so as to limit the movement range of the jumper structure, and the welding part of the jumper structure is connected with the chip and/or the diode frame in a welding mode.

8. The diode of claim 7, wherein the diode frame comprises a first frame and a second frame, the solder portion of the jumper body is electrically connected to the first frame, and the first positioning portion of the jumper body is electrically connected to the second frame.

9. The diode of claim 8, wherein the second frame is provided with a positioning slot corresponding to the position of the jumper body, and the positioning slot is matched with the first positioning portion, so as to limit the movement range of the jumper structure.

10. The diode of claim 8, wherein the first frame and the second frame are U-shaped, the U-shaped openings of the first frame and the second frame are disposed opposite to each other, and the jumper structure is connected in a space defined by the first frame and the second frame.