CN210670735U

CN210670735U - Single-side carbon bridge connecting circuit board

Info

Publication number: CN210670735U
Application number: CN201921736275.6U
Authority: CN
Inventors: 陈子安; 李锦光
Original assignee: Guangdong Hetong Technology Co ltd
Current assignee: Guangdong Hetong Technology Co ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-06-02
Anticipated expiration: 2029-10-16

Abstract

The utility model discloses a single face carbon bridge connecting line board, including the PCB board, basic component and IC chip, the corner all around of PCB board is equipped with the locating hole, it has circular carbon oil to distribute on the PCB board, install the button on the PCB board, button and PCB board electric connection, the middle part and the IC chip tin welding of PCB board, install the copper foil on the PCB board, the copper foil welds with the PCB board, the surface of PCB board exceedes and is equipped with the carbon line strip, be equipped with the bar clearance around the PCB board, the PCB board adopts monolithic version material, the button both ends are established dot and are connected with the copper foil extreme point, button finger end interconnect, connect through the carbon line strip of 2-3mm width, cover one deck stoving type printing ink again above the circular carbon oil line, circular carbon oil, add the protection insulating printing ink more than the one deck 20um above the copper foil, the locating hole is 1.5mm-2mm for the diameter. The utility model provides a key signal delay, single-sided board cost reduction more than 50% simultaneously.

Description

Single-side carbon bridge connecting circuit board

Technical Field

The utility model relates to a communication, telephone class product technical field suitable for interconnection of single face circuit board circuit particularly, relate to a single face carbon bridge connecting line board.

Background

Single-sided circuit boards, on the most basic PCB, components are concentrated on one side and conductors are concentrated on the other side, so we call this structure of the PCB a single-sided circuit board because the conductors are present on only one side. The single-sided printed circuit board is manufactured by a screen printing method on a single-sided insulating base material (also called copper clad laminate) to form a single-layer conductive pattern copper foil for electrical connection between components, directly etching the copper foil, screen-printing an insulating layer on the copper foil, and finally completing the guide hole and the appearance of a part in a punching processing mode of a numerical control machine.

The traditional single-sided circuit board has delay errors when transmitting signals, and the cost is increased due to the fact that the number of circuits is too large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a single face carbon bridge connecting line board to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a single face carbon bridge connecting line board, includes PCB board, basic component and IC chip, the corner all around of PCB board is equipped with the locating hole, and it has circular carbon oil to distribute on the PCB board, installs the button on the PCB board, the button with PCB board electric connection, the middle part and the IC chip tin welding of PCB board install the copper foil on the PCB board, and the copper foil welds with the PCB board, and the surface of PCB board is gone beyond and is equipped with the carbon lines, is equipped with the bar clearance around the PCB board.

Further, the PCB is made of a single-chip board material.

Furthermore, dots are arranged at two ends of the key and connected with copper foil end points, and finger ends of the key are connected with each other and connected through a carbon line with the width of 2-3 mm.

Furthermore, a layer of baking type ink is covered on the round carbon oil connecting line.

Furthermore, a layer of protective insulating ink with the thickness of more than 20um is added on the copper foil.

Furthermore, the diameter of the positioning hole is 1.5mm-2 mm.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a solve the signal transmission's of single-panel button functional position delay, adopt the electrically conductive carbon oil of high resistance, through the transmission signal line that forms connection button and button, reach this purpose. In addition, the conductive carbon oil circuit can also pass through the crossed copper foil circuit to achieve the purpose of signal interconnection transmission, so that the circuit board can be realized only by a single panel, and the cost is reduced by more than 50% compared with a double-sided board.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and 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 schematic diagram of a single-sided carbon bridge connection wiring board.

Reference numerals:

1. a PCB board; 2. a base element; 3. circular carbon oil; 4. a strip-shaped gap; 5. copper foil; 6. positioning holes; 7. pressing a key; 8. an IC chip; 9. carbon lines.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Please refer to fig. 1, according to the embodiment of the present invention, a single-sided carbon bridge connecting circuit board, includes a PCB 1, a base element 2 and an IC chip 8, the peripheral corners of the PCB 1 are provided with positioning holes 6 to fix the PCB, circular carbon oil 3 is distributed on the PCB 1, a button 7 is installed on the PCB 1, the button 7 is electrically connected with the PCB 1, the middle part of the PCB 1 is soldered with the IC chip 8, a copper foil 5 is installed on the PCB 1, the copper foil 5 is welded with the PCB 1, a carbon line 9 is additionally provided on the surface of the PCB 1, a bar gap 4 is provided around the PCB 1 to save materials.

Through the above technical scheme of the utility model, PCB board 1 adopts the monolithic edition material, 7 both ends of button are established dot and 5 end connections of copper foil, reach continuous function, 7 finger end interconnect of button, connect through the carbon line 9 of 2-3mm width, cover the one deck again above the 3 lines of circular carbon oil and toast type printing ink, reach the isolated effect of carbon oil and 5 lines of copper foil, add the insulating printing ink of protection more than one deck 20um above the copper foil 5, locating hole 6 is 1.5mm-2mm for the diameter.

The working principle is as follows:

the utility model discloses a single panel material, the wiring of interconnecting link between basic unit position has been done, position at the button number again, adopt circular carbon oil non-connection finger figure to design the button carbon lines, the dot is established at the button both ends and copper foil end point is connected, reach continuous function, again with button finger end interconnect, carbon lines strip through 2-3mm width is connected, the position of carbon lines strip cross copper foil circuit, add the insulating printing ink of protection more than one deck 20um on the circuit copper foil, reach the isolated effect of carbon oil and copper foil circuit, cover the one deck again on the carbon oil line at last and toast type printing ink, reach the efficiency of protection carbon oil.

In summary, the following steps: the utility model discloses a solve the signal transmission's of single-panel button functional position delay, adopt the electrically conductive carbon oil of high resistance, through the transmission signal line that forms connection button and button, reach this purpose. In addition, the conductive carbon oil circuit can also pass through the crossed copper foil circuit to achieve the purpose of signal interconnection transmission, so that the circuit board can be realized only by a single panel, and the cost is reduced by more than 50% compared with a double-sided board.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a single face carbon bridge connecting line board, its characterized in that, includes PCB board (1), basic component (2) and IC chip (8), the corner all around of PCB board (1) is equipped with locating hole (6), it has circular carbon oil (3) to distribute on PCB board (1), install button (7) on PCB board (1), button (7) with PCB board (1) electric connection, the middle part and IC chip (8) tin soldering of PCB board (1), install copper foil (5) on PCB board (1), copper foil (5) with PCB board (1) welding, the surface of PCB board (1) goes out to be equipped with carbon lines (9) more, be equipped with bar clearance (4) around PCB board (1).

2. The single-sided carbon bridge connection wiring board according to claim 1, wherein the PCB board (1) is made of a single piece of board material.

3. The single-sided carbon bridge connection circuit board of claim 1, wherein dots are arranged at two ends of the key (7) and connected with end points of the copper foil (5), and finger ends of the key (7) are connected with each other through a carbon wire (9) with the width of 2-3 mm.

4. The single-sided carbon bridge connection circuit board according to claim 1, wherein a baking ink layer is further covered on the round carbon oil (3) connecting line.

5. The single-sided carbon bridge connection wiring board of claim 1, wherein a layer of protective insulating ink of 20um or more is applied on the copper foil (5).

6. The single-sided carbon bridge connection wiring board according to claim 1, wherein the positioning holes (6) have a diameter of 1.5mm to 2 mm.