CN113271711A - High-current PCB assembly and manufacturing method thereof - Google Patents

High-current PCB assembly and manufacturing method thereof Download PDF

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Publication number
CN113271711A
CN113271711A CN202110535322.6A CN202110535322A CN113271711A CN 113271711 A CN113271711 A CN 113271711A CN 202110535322 A CN202110535322 A CN 202110535322A CN 113271711 A CN113271711 A CN 113271711A
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CN
China
Prior art keywords
pcb
insulation board
board
assembly
groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110535322.6A
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Chinese (zh)
Inventor
阮立波
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to CN202110535322.6A priority Critical patent/CN113271711A/en
Publication of CN113271711A publication Critical patent/CN113271711A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components
    • H05K1/182—Printed circuits structurally associated with non-printed electric components associated with components mounted in the printed circuit board, e.g. insert mounted components [IMC]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering

Abstract

The invention discloses a high current PCB assembly and a manufacturing method thereof, wherein the high current PCB assembly comprises: the PCB comprises a PCB, wherein a conductor is arranged on one side of the PCB, a connecting terminal connected with the conductor is arranged on the other side of the PCB, an insulation board assembly is arranged on one side of the conductor away from the PCB and used for wrapping the conductor, and a plurality of through holes are formed in the PCB and used for connecting electrical components with the conductor. The high-current PCB assembly and the manufacturing method thereof can improve the wiring efficiency of electrical components in the distribution box.

Description

High-current PCB assembly and manufacturing method thereof
Technical Field
The invention relates to the technical field of PCB (printed circuit board) manufacturing, in particular to a high-current PCB assembly and a manufacturing method thereof.
Background
The control of the electrical equipment usually adopts a mode of controlling strong current by weak current, and in a man-machine operation module, an electrical component loaded with weak current is used; however, for a module in which electrical equipment operates, electrical components loaded with a strong current are used, the electrical components loaded with the strong current are generally installed in a centralized manner in a distribution box, and the electrical components in the distribution box are generally connected and conducted by using wires.
Along with the increasingly powerful of electrical equipment function, electrical components in electrical equipment's the block terminal also increase thereupon to the wire that connects between the electrical components in the block terminal usefulness also increases thereupon, because need artifically connect the both ends of wire on electrical components in the block terminal, thereby leads to the inefficiency of wiring in the block terminal.
Disclosure of Invention
The invention aims to provide a high-current PCB assembly and a manufacturing method thereof, which can improve the wiring efficiency of electrical components in a distribution box.
The invention discloses a high current PCB assembly and a manufacturing method thereof, which adopts the technical scheme that:
the utility model provides a heavy current PCB board subassembly, includes the PCB board, one side of PCB board is equipped with the electric conductor, the opposite side is equipped with the binding post that links to each other with the electric conductor, one side that the PCB board was kept away from to the electric conductor is equipped with the insulation board combination, the insulation board combination is used for the parcel of electric conductor, a plurality of through-hole has been seted up to one side that is equipped with binding post on the PCB board, the through-hole is used for being connected of electrical components and parts and electric conductor.
According to a preferable scheme, the electric conductor is a copper wire, one side of the PCB is provided with a plurality of linear tin layers, the copper wire is arranged on the tin layers and is connected with the PCB through the tin layers, the insulating plate assembly is provided with a groove corresponding to the copper wire, and the copper wire is positioned in the groove.
Preferably, the insulation board assembly comprises a first insulation board and a second insulation board attached to the first insulation board, the groove is formed in the first insulation board, the groove is a through groove with two through sides, and the PCB board and the second insulation board are respectively located on two through sides of the groove.
As the preferred scheme, the guide rail is installed to the one side that is equipped with binding post on the PCB board, the guide rail is used for electrical components's fixed.
Preferably, the through holes are distributed on two sides of the guide rail.
A method for manufacturing a high current PCB assembly includes the steps of:
s1, printing and etching a circuit on one side of the PCB, and printing solder paste on the formed circuit to form a plurality of linear tin layers;
s2, placing a plurality of copper wires on the surfaces of a plurality of tin layers in a one-to-one correspondence manner, and welding the copper wires on the surfaces of the tin layers after two ends of the copper wires are aligned with two ends of the tin layers;
s3, processing a plurality of through holes penetrating through the tin layer on the PCB;
s4, processing a plurality of linear grooves on one side of the insulating plate combination;
s5, aligning the groove with the copper wire, and combining and attaching the insulating board to one side of the PCB, on which the copper wire is welded;
and S6, welding the terminal on one side of the PCB, which is far away from the insulating board assembly, thereby completing the manufacture of the high-current PCB assembly.
Preferably, the S4 includes: the insulation board combination comprises a first insulation board and a second insulation board, a plurality of linear grooves are processed on one side of the first insulation board, the bottom of each groove penetrates through the first insulation board, and the second insulation board is attached to one side, provided with the grooves, of the first insulation board.
Preferably, the method further comprises the following steps of 7:
and S7, mounting the guide rail on the side of the PCB board far away from the insulating board combination.
The strong current PCB assembly and the manufacturing method thereof disclosed by the invention have the beneficial effects that: the electric conductor is arranged on the PCB, and the strong current loaded on the PCB is conducted through the electric conductor, so that the PCB cannot be damaged by the strong current; the one end of the wire of connecting electrical components is connected back on electrical components, in the other end can pass through the through-hole of automation equipment welding on the PCB board to the wire only needs the manual connection with the one end that electrical components links to each other, so all need the manual work to connect for the both ends of wire and compare, improved electrical components's wiring efficiency.
Drawings
Fig. 1 is an exploded view of a high current PCB assembly of the present invention.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is an assembled view of a high current PCB assembly according to the present invention.
Fig. 4 is a sectional view taken in the direction B-B in fig. 3.
Fig. 5 is an enlarged schematic view of the portion C in fig. 4.
Detailed Description
The invention will be further elucidated and described with reference to the embodiments and drawings of the specification:
referring to fig. 1 to 5, a high current PCB assembly includes a PCB 10, a plurality of strip-shaped tin layers 20 printed on one side of the PCB 10, copper wires 30 respectively welded on each tin layer 20, and two ends of each copper wire 30 aligned with two ends of each tin layer 20; one side of the PCB 10 welded with the copper wires 30 is provided with an insulation board assembly 40, the insulation board assembly 40 comprises a first insulation board 41 and a second insulation board 42, one side of the first insulation board 41 is provided with a plurality of linear grooves 411, the bottoms of the grooves 411 penetrate through the first insulation board 41, two opposite sides of the first insulation board 41 are respectively attached to the PCB 10 and the second insulation board 42, the copper wires 30 are respectively positioned in the grooves 411 one by one, so that the copper wires 30 are jointly wrapped by the first insulation board 41 and the second insulation board 42, and the first insulation board 41 and the second insulation board 42 play a role in insulation protection for the copper wires 30; one side of the PCB 10 away from the first insulating plate 41 is welded with the connecting terminal 50, a leg of the connecting terminal 50 passes through the PCB 10 to be connected with the copper wire 30, and one side of the PCB 10 welded with the connecting terminal 50 is provided with the through hole 11.
The guide rail 60 is installed to one side of installing binding post 50 on PCB board 10, and a plurality of through-hole 11 is located the both sides of guide rail 60 respectively, and after electrical components fixed on guide rail 60, the wire that electrical components both ends are connected welds respectively in through-hole 11, through copper line 30 mutual electric connection between the electrical components.
The electrical components can be installed on the guide rail 60 in a clamping manner, and compared with a plurality of electrical components which are respectively fixed on the PCB 10 by screws, the number of screws for fixing the guide rail 60 is small, so that the time for fixing the screws is shortened, and the operation efficiency is improved.
Since the copper wire 30 is welded along the circuit on the PCB 10, the strong current loaded on the PCB 10 is conducted through the copper wire 30, so that the PCB 10 is not damaged by the strong current; the one end of the wire of connecting electrical components is connected back on electrical components, the other end can pass through in the through-hole 11 of automation equipment welding on PCB board 10, after electrical components installed on PCB board 10, will install the PCB board 10 integral erection of electrical components in the block terminal again, and PCB board 10 passes through binding post 50 and links to each other with the wire in the block terminal outside to the installation of block terminal has been accomplished. Compared with the prior art, the two ends of the wire in the distribution box need to be manually connected with the electric appliance components, and the improved wire only needs to be manually connected with one end connected with the electric appliance components, so that the wiring efficiency of the electric appliance components is improved.
The above is an explanation of the structural principle of a high current PCB assembly according to the present invention, and the following will describe a method for manufacturing a high current PCB assembly according to the present invention with reference to the accompanying drawings and the specific embodiments.
The invention discloses a manufacturing method of a high-current PCB assembly, which comprises the following specific steps:
s1, printing and etching a circuit on one side of the PCB, and printing solder paste on the formed circuit to form a plurality of linear tin layers;
the circuit on the PCB is designed according to the power distribution of specific electrical equipment, and then a layer of solder paste is printed on a copper layer of the circuit so as to facilitate the subsequent welding.
S2, placing a plurality of copper wires on the surfaces of a plurality of tin layers in a one-to-one correspondence manner, and welding the copper wires on the surfaces of the tin layers after two ends of the copper wires are aligned with two ends of the tin layers;
copper line can be through the welding of automatic welding equipment on the tin layer, and back on the tin layer is welded to the copper line, and when the strong current passed through the PCB board, the electric current switched on through the copper line to can not damage the PCB board, compare with the copper facing method on the circuit, the efficiency of welding the copper line is higher, thereby has practiced thrift the processing cost.
S3, processing a plurality of through holes penetrating through the tin layer on the PCB;
the through-hole is used for being connected of wire and copper line, and the one end of wire links to each other the back with electrical components and parts, and the other end inserts in the through-hole, and the wire passes through the automation equipment welding on the PCB board.
S4, the insulation board assembly comprises a first insulation board and a second insulation board, a plurality of linear grooves are processed on one side of the first insulation board, the bottoms of the grooves penetrate through the first insulation board, and the second insulation board is attached to one side, provided with the grooves, of the first insulation board;
because the bottom of recess is link up first insulation board to can process the recess through multiple modes such as punching or cutting on first insulation board, adopt the mode of first insulation board and the laminating of second insulation board to carry out insulation protection's method to the copper line, compare with milling a fretwork recess on the insulation board, the technological requirement is lower, has practiced thrift the processing cost.
S5, aligning the groove with the copper wire, and combining and attaching the insulating board to one side of the PCB, on which the copper wire is welded;
through burying the copper line in the recess, realized the insulation protection to the copper line.
S6, welding the wiring terminal on one side of the PCB, which is far away from the insulating plate combination;
after the PCB is installed in the distribution box, electrical components on the PCB are connected with the outer side of the distribution box through wiring terminals, and therefore wiring between the electrical components on the PCB is clearly distinguished from the wiring between the PCB and the outside.
And S7, mounting the guide rail on the side of the PCB board far away from the insulating board combination.
The guide rail is fixed on the PCB board through screws.
In summary, according to the high-current PCB assembly of the present invention, the copper wire 30 is welded on the PCB 10, so that the function of loading high current on the PCB is realized; the insulating protection of the insulating plate assembly 40 to the copper wire 30 is realized by arranging the groove 411 on the insulating plate assembly 40; the electrical components are welded with the copper wires 30 on the PCB through the through holes 11, and manual operation of automatic equipment is replaced, so that the wiring efficiency between the electrical components in the distribution box is improved.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (8)

1. The utility model provides a heavy current PCB board subassembly, its characterized in that, includes the PCB board, one side of PCB board is equipped with the electric conductor, and the opposite side is equipped with the binding post that links to each other with the electric conductor, one side that the PCB board was kept away from to the electric conductor is equipped with the insulation board combination, the insulation board combination is used for the parcel of electric conductor, a plurality of through-hole has been seted up to one side that is equipped with binding post on the PCB board, the through-hole is used for being connected of electrical components and parts and electric conductor.
2. The high current PCB assembly of claim 1, wherein the electrical conductor is a copper wire, one side of the PCB is disposed with a plurality of linear tin layers, the copper wire is disposed on the tin layers and connected to the PCB through the tin layers, the insulation board assembly is provided with a groove corresponding to the copper wire, and the copper wire is disposed in the groove.
3. The high current PCB assembly of claim 2, wherein the insulation board assembly comprises a first insulation board and a second insulation board attached to the first insulation board, the groove is formed in the first insulation board, the groove is a through groove with two sides through, and the PCB board and the second insulation board are respectively located at two through sides of the groove.
4. A high current PCB board assembly according to any of claims 1 to 3, wherein a side of the PCB board on which the terminals are provided is mounted with a rail for fixing electrical components.
5. A high current PCB board assembly in accordance with claim 4 wherein the plurality of through holes are distributed on both sides of the rail.
6. A method for manufacturing a high current PCB assembly, comprising the steps of:
s1, printing and etching a circuit on one side of the PCB, and printing solder paste on the formed circuit to form a plurality of linear tin layers;
s2, placing a plurality of copper wires on the surfaces of a plurality of tin layers in a one-to-one correspondence manner, and welding the copper wires on the surfaces of the tin layers after two ends of the copper wires are aligned with two ends of the tin layers;
s3, processing a plurality of through holes penetrating through the tin layer on the PCB;
s4, processing a plurality of linear grooves on one side of the insulating plate combination;
s5, aligning the groove with the copper wire, and combining and attaching the insulating board to one side of the PCB, on which the copper wire is welded;
and S6, welding the terminal on one side of the PCB, which is far away from the insulating board assembly, thereby completing the manufacture of the high-current PCB assembly.
7. A method of manufacturing a high current PCB panel assembly in accordance with claim 6, wherein said S4 comprises: the insulation board combination comprises a first insulation board and a second insulation board, a plurality of linear grooves are processed on one side of the first insulation board, the bottom of each groove penetrates through the first insulation board, and the second insulation board is attached to one side, provided with the grooves, of the first insulation board.
8. A method of manufacturing a high current PCB board assembly as claimed in any of claims 6 to 7, further comprising the step of 7:
and S7, mounting the guide rail on the side of the PCB board far away from the insulating board combination.
CN202110535322.6A 2021-05-17 2021-05-17 High-current PCB assembly and manufacturing method thereof Pending CN113271711A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110535322.6A CN113271711A (en) 2021-05-17 2021-05-17 High-current PCB assembly and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110535322.6A CN113271711A (en) 2021-05-17 2021-05-17 High-current PCB assembly and manufacturing method thereof

Publications (1)

Publication Number Publication Date
CN113271711A true CN113271711A (en) 2021-08-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110535322.6A Pending CN113271711A (en) 2021-05-17 2021-05-17 High-current PCB assembly and manufacturing method thereof

Country Status (1)

Country Link
CN (1) CN113271711A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5223676A (en) * 1989-11-27 1993-06-29 The Furukawa Electric Co., Ltd. Composite circuit board having means to suppress heat diffusion and manufacturing method of the same
CN103906377A (en) * 2012-12-28 2014-07-02 深南电路有限公司 Method for manufacturing circuit board bearing large current, and circuit board bearing large current
CN206865830U (en) * 2017-07-05 2018-01-09 拓卡奔马机电科技有限公司 A kind of circuit board of automatic cutting bed electrical control circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5223676A (en) * 1989-11-27 1993-06-29 The Furukawa Electric Co., Ltd. Composite circuit board having means to suppress heat diffusion and manufacturing method of the same
CN103906377A (en) * 2012-12-28 2014-07-02 深南电路有限公司 Method for manufacturing circuit board bearing large current, and circuit board bearing large current
CN206865830U (en) * 2017-07-05 2018-01-09 拓卡奔马机电科技有限公司 A kind of circuit board of automatic cutting bed electrical control circuit

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Application publication date: 20210817