CN218772549U - Jumper wire bonding pad and PCB circuit board - Google Patents

Abstract

The utility model discloses a jumper wire bonding pad and PCB circuit board, including first network end and the second network end that looks opposition and jumper connection, jump the connection through resistance or electric capacity between first network end and the second network end, dispose between first network end and the second network end and form functional circuit; at least one welding pad is welded on the first network end and the second network end; when a plurality of bonding pads are arranged in the same network end, channels are formed between the adjacent bonding pads and are arranged in a separated mode, the channels are in a zigzag shape, and the bonding pads are connected in a short circuit mode. The jumper pad can be compatible with a resistor and a capacitor as a jumper element at the same time, so that the single element of 1. Separate through the passageway between the pad, the passageway is snakelike or S-shaped and has destroyed the inside cohesion of welding back tin cream, makes the welding effect more firm, and does not carry out the short circuit with components and parts, can bear the performance of heavy current work.

Description

Jumper wire bonding pad and PCB circuit board

Technical Field

The utility model belongs to the technical field of the circuit board, concretely relates to wire jumper pad and PCB circuit board.

Background

A Printed Circuit Board (PCB), which is also called a Printed Circuit Board (PCB) as a chinese name, is an important electronic component, a support for electronic components, and a carrier for electrical interconnection of electronic components. It is called a "printed" circuit board because it is made using electronic printing.

The jumper is actually a metal connecting wire for connecting two demand points of a circuit board (PCB), and the jumper is made of different materials and has different thicknesses due to different product designs. Most of the jumpers are used for voltage transmission with the same potential, reference voltage for protecting circuits is also used, and the product performance is greatly influenced by voltage drop generated by a little metal jumper with a precise voltage requirement.

The electronic product technology is developed rapidly, the smaller the size of the required electronic component is, the faster the processing efficiency is, and the traditional jumper wire bonding pad has more defects. As shown in fig. 1, the incompatible capacitor is used as a jumper element, which has a large volume and is not beneficial to miniaturization design; as shown in fig. 2, the capacitor jumper cannot be compatible, the size is smaller than that of fig. 1, but the miniaturization design still has a larger improvement space; although the capacitor can be compatible to be used as a jumper element in the figure 3, the occupied space is small, but the cohesive force is generated when the solder paste on the bonding pad is melted, so that the solder paste between the adjacent bonding pads is separated, the welding effect is poor, and in addition, the performance requirement of large current cannot be met only by short circuit of an electrode of a component.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wire jumper pad and PCB circuit board to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a jumper wire bonding pad comprises a first network end and a second network end which are opposite and in jumper connection, wherein the first network end and the second network end are in jumper connection through a resistor or a capacitor, and a functional circuit is formed between the first network end and the second network end in a configuration mode;

at least one welding pad is welded on the first network end and the second network end;

when a plurality of bonding pads are arranged in the same network end, channels are formed between the adjacent bonding pads and are arranged in a separated mode, the channels are in a zigzag shape, and the bonding pads are connected in a short circuit mode.

Further, the first network terminal and the second network terminal each include a master, and the pads are soldered to the master.

Further, the serpentine shape of the channel includes a serpentine extension or an S-shaped extension.

Further, the width of the channel is between 0.5 and 2 mm.

Further, the functional circuit comprises a jumper circuit, a filter circuit and a coupling circuit.

A PCB circuit board comprises any one jumper wire bonding pad.

Compared with the prior art, the beneficial effects of the utility model are that:

the jumper pad comprises a first network end and a second network end, and a resistor and a capacitor can be compatible between the first network end and the second network end to serve as a jumper element, so that the single element of 1.

A plurality of pads can weld in first network end and the second network end, separate through the passageway between the pad, the passageway is snakelike or S-shaped and has destroyed the inside cohesion of welding back tin cream, makes the welding effect more firm, and does not need components and parts to carry out the short circuit, can bear the performance of heavy current work.

The number of the bonding pads on the first network end and the second network end is jumped to form an N-in-N jumper mode, and a current limiting circuit, a coupling circuit or a filter circuit and the like are formed through the jumpers, so that the circuit function diversification is realized.

Drawings

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

FIG. 1 is a schematic diagram of a conventional jumper connection;

FIG. 2 is a second schematic diagram of a conventional jumper connection;

FIG. 3 is a third schematic diagram of a conventional jumper connection;

fig. 4 is a schematic plan view of a three-in-one mode of the jumper wire bonding pad of the present invention;

fig. 5 is a schematic plan view of a four-in-one mode of the jumper pad of the present invention.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Fig. 1-3 are diagrams of jumper welding methods in existing electronic products, where fig. 1 and fig. 2 only rely on resistors as jumper elements, and cannot be compatible with capacitors, and occupy too much space, and cannot meet the requirement of miniaturization design.

Fig. 3 can compatible electric capacity and resistance as the wire jumper component, compares fig. 1 and fig. 2, and the size has been reduced, but the welding mode of pad is easy because solder paste melts cohesion, appears the phenomenon of soldering tin separation, and it is not firm to weld, can only rely on the components and parts electrode to carry out the short circuit, and the electric current limit that can bear is little, and the performance is relatively poor.

Referring to fig. 4 and 5, being the utility model provides a wire jumper pad sets up on PCB circuit board, and the wire jumper pad is connected through resistance or electric capacity jump connection including opposition position and jump connection first network end 1 and second network end 2 between first network end 1 and the second network end 2, and first network end 1 and 2 configurations of second network end form the functional circuit, the functional circuit includes jumper circuit, filter circuit and coupling circuit, realizes the demand of wire jumper, filtering in step, realizes that the circuit function is abundant.

The first network terminal 1 and the second network terminal 2 can simultaneously use a resistor and a capacitor as a jumper connection element, so that the single-element structure of the circuit board 1 is achieved, and the volume miniaturization of the circuit board design is realized.

In this embodiment, at least one pad 3 is welded on each of the first network end 1 and the second network end 2, each of the first network end 1 and the second network end 2 includes a master disc 4, and the pad 3 is welded on the master disc 4.

When being in same network end when having a plurality of pads 3, form 5 separation settings of passageway between the adjacent pad 3, passageway 5 is sinuous, and the short circuit links to each other between pad 3, and is preferred 5 sinuous includes snakelike extension form or S-shaped extension form, the width of passageway 5 is between 0.5-2mm, separates through passageway 5 between the pad 3, and passageway 5 is snakelike or S-shaped and has destroyed the inside cohesion of welding back tin cream, makes the welding effect more firm, and does not need components and parts to carry out the short circuit, can bear the performance of heavy current work.

When the first network terminal 1 and the second network terminal 2 have a plurality of pads 3, the number of the pads 3 on the first network terminal 1 and the second network terminal 2 are jumped to form an N-in-N jumper mode.

As shown in fig. 4, when the number of the pads 3 on the first network terminal 1 and the second network terminal 2 is one and two, respectively, the network a and the network B are open without mounting any component, and when the network a and the network B are short-circuited, the alternative jumper mode is implemented.

If the 0R resistor is pasted, the network A, the network B and the network C are in short circuit connection, and a three-in-one jumper mode is achieved.

The mounting resistance value is 1K or more than 1K, if the network C is the power supply anode, the network A and the network B are in short circuit together, and a pull-up circuit is formed; if the network C is the ground, the network A and the network B are short-circuited together and form a pull-down circuit; the mounting resistance value is larger than 0R resistor, if the network C is a power supply +, the network A and the network B are in short circuit, and a current limiting circuit is formed between the network C and the network A.

When the capacitor is mounted, the network A, the network B and the network C are all signal networks, and the network A is in short circuit with the network B and forms a coupling circuit with the network C. If one of the networks A and B is a power supply anode network and the network C is the ground, the network A and the network B are in short circuit, and a filter circuit is formed between the network A and the network C.

As shown in FIG. 5, a 0R resistor is mounted, and the network A ', the network B', the network C 'and the network D' are in short circuit connection, so that a four-in-one jumper mode is realized.

If the mounting resistance is 1K or more than 1K, if any one of the networks (such as the network C ') is the positive electrode of the power supply, the network A ' and the network B ' are in short circuit, the network C ' and the network D ' are in short circuit, and a pull-up circuit is formed between the network A ' B ' and the network C ' D '; if the network C ' is the ground, the network A ' and the network B ' are in short circuit, the network C ' and the network D ' are in short circuit, and a pull-down circuit is formed between the network A ' B ' and the network C ' D '; the mounting resistance value is larger than 0R resistor, if the network C ' is the anode of the power supply, the network A ' and the network B ' are in short circuit, and a current limiting circuit is formed between the network A ' and the network B ' and between the network C ' and the network D '.

The surface-mounted capacitor, the network A ', the network B', the network C 'and the network D' are all signal networks, the network A 'is in short circuit with the network B', the network C 'is in short circuit with the network D', and a coupling circuit is formed between the network A 'B' and the network C 'D'.

And a capacitor is attached, if one of the network A 'and the network B' is a power supply positive electrode network, and one of the network C 'and the network D' is a ground, the network A 'is in short circuit with the network B', the network C 'is in short circuit with the network D', and a filter circuit is formed between the network A 'B' and the network C 'D'.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. A jumper pad, characterized in that: the system comprises a first network end and a second network end which are opposite and in jumper connection, wherein the first network end and the second network end are in jumper connection through a resistor or a capacitor, and a functional circuit is formed between the first network end and the second network end in a configuration mode;

at least one welding pad is welded on the first network end and the second network end;

when a plurality of bonding pads are arranged in the same network end, channels are formed between the adjacent bonding pads and are arranged in a separated mode, the channels are in a zigzag shape, and the bonding pads are connected in a short circuit mode.

2. The jumper pad of claim 1, wherein: the first network end and the second network end comprise a master disc, and the bonding pads are welded on the master disc.

3. The jumper pad of claim 1, wherein: the serpentine shape of the channel comprises a serpentine extension or an S-shaped extension.

4. The jumper pad of claim 3, wherein: the width of the channel is between 0.5 and 2 mm.

5. The jumper pad of claim 1, wherein: the functional circuit comprises a jumper circuit, a filter circuit and a coupling circuit.

6. A PCB circuit board, its characterized in that: including the jumper pad of any of claims 1-5.

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