CN212115786U

CN212115786U - PCBA mounting structure of fuse box

Info

Publication number: CN212115786U
Application number: CN202021261498.4U
Authority: CN
Inventors: 黄志良; 赵顺荣; 金博杰
Original assignee: Zhejiang Zhiwei Electronic Technology Co ltd
Current assignee: Zhejiang Zhiwei Electronic Technology Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2020-12-08
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a PCBA mounting structure of fuse box, including the first circuit board, the second circuit board and the third circuit board that set up in the box body, the second circuit board is connected with the first circuit board and the third circuit board respectively through the connector device, the connector device includes the plug-in components that set up on the second circuit board, and set up on the first circuit board and with the first conductive piece structure of plug-in components's upper interface end to plug-in cooperation, and set up on the third circuit board and with the second conductive piece structure of plug-in components's lower interface to plug-in cooperation, adopt this technical scheme, adopt the connector type to realize the upper and lower to plug-in connection between three circuit boards, the installation effectiveness is high, the installation and dismantlement are all comparatively convenient, reduce the maintenance difficulty, reduce the copper-coated rate on each circuit board, help to lighten weight and reduce production cost, reduce the spoilage of PCBA in the assembly production process, the installation stability and reliability of the PCBA are improved.

Description

PCBA mounting structure of fuse box

Technical Field

The utility model relates to an automobile fuse box technical field, concretely relates to PCBA mounting structure of fuse box.

Background

The automobile fuse box assembly is a fuse box for protecting each electric circuit of an automobile, can effectively protect rated current borne in each electric circuit of the automobile from being limited within a safe range, ensures that each circuit on the automobile cannot cause damage to electric elements or cause fire due to large load or circuit short circuit, and ensures that all automobile electric devices can run safely and reliably.

Install polylith PCBA (printed Circuit Board Assembly) in the box body of current car fuse box, play the function of control protection through polylith PCBA's connection, polylith PCBA is the stromatolite mode equipment in the box body, current mounting means corresponds respectively on two PCBA's Circuit Board and sets up a plurality of contact pins and jack, realize connecting through the plug-in mode of contact pin and jack, then with the contact pin at jack department welded fastening, and couple together a plurality of contact pins with the busbar, current PCBA adopts contact pin welded mounting means still to have following problem: need carry out many places welding on PCBA, whole welding covers copper rate big, and welding process is complicated, and the installation is loaded down with trivial details to and maintain comparatively troublesome to subsequent dismouting, still tear bad PCBA open very easily, the maintenance degree of difficulty is big, increases manufacturing cost.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the polylith PCBA of the automobile fuse box among the prior art and adopting contact pin welding mode erection joint, and welding process is complicated, and the installation is loaded down with trivial details, and follow-up dismouting is maintained comparatively troublesome, still tears bad PCBA open very easily, and the maintenance degree of difficulty is big, increases manufacturing cost's problem.

In order to solve the technical problem, the utility model provides a PCBA mounting structure of fuse box, which is characterized in that the PCBA mounting structure comprises a box body, and a first circuit board, a second circuit board and a third circuit board which are arranged in the box body in parallel from top to bottom, wherein the first circuit board and the third circuit board are respectively and electrically connected with the second circuit board through a connector device; the connector device is including setting up connect the connector element on the second circuit board, connect the connector element have with the relative last interface end of first circuit board, and with the relative lower interface end of third circuit board, still including setting up first circuit board lower surface and with go up the interface end to inserting the first electrically conductive piece structure of complex, and set up and be in third circuit board upper surface and with the lower interface end is to inserting the electrically conductive piece structure of complex second.

As a preferred scheme, the second circuit board is provided with a mounting through hole corresponding to the plug-in component, the upper interface end can penetrate through the mounting through hole, the upper interface end and the lower interface end are respectively arranged on the upper side and the lower side of the second circuit board, and the upper interface end and the lower interface end are not communicated with each other.

As a preferable scheme, the connector extends along the width direction of the second circuit board to a set length, and is fixedly connected to the second circuit board through a clamping structure, a screw structure or an adhesive structure.

As a preferred scheme, the first conductive structure includes a plurality of first rows of pins arranged at intervals along the extending direction of the connector, and a plurality of first jacks in mating connection with the first rows of pins are correspondingly arranged on the upper port end.

As a preferred scheme, the second conductive structure includes a plurality of second pins spaced along the extending direction of the connector, and a plurality of second jacks in mating connection with the second pins are correspondingly disposed on the lower port end.

As a preferred scheme, a plurality of terminal hole structures are arranged at the bottom of the box body, a plurality of first output terminals penetrating into the terminal hole structures are arranged on the first circuit board, and a plurality of second output terminals penetrating through the second circuit board and the first circuit board and inserted into the terminal hole structures are arranged on the third circuit board.

Preferably, the second circuit board and the first circuit board are respectively and correspondingly formed with a plurality of through holes suitable for the second output terminals to pass through.

The utility model discloses technical scheme has following advantage:

1. in the PCBA mounting structure of the fuse box provided by the utility model, the plug-in component is arranged on the second circuit board, the first circuit board and the second circuit board are respectively in plug-in fit with the plug-in component through the first conductive piece structure and the second conductive piece structure, so that the three circuit boards are assembled and connected in a vertical plug-in mode, and can be pre-assembled into a whole outside the box body, and can be directly assembled into the box body as an assembly whole, thereby achieving the integrated assembly effect, the mounting efficiency is high, by adopting the technical scheme, a plurality of PCBAs can be in plug-in connection with each other in a plug-in mode, the assembly and disassembly are convenient, the maintenance difficulty is reduced, the copper-coating rate on each circuit board can be greatly reduced, the weight and the production cost are reduced, the damage rate of the PCBA in the assembly production process is reduced, and the mounting stability and the reliability of the, the service performance of the product is improved.

2. The utility model provides an among the PCBA mounting structure of fuse box, go up the interface end and expose in upper surface one side of second circuit board behind the installation through-hole that passes the second circuit board, and lower interface end then exposes in lower surface one side of second circuit board, the benefit of design like this lies in, when the installation, can insert the interface end with first conductive piece structure accuracy from top to bottom, and insert the lower interface end with second conductive piece structure by supreme accuracy down, guarantee first circuit board, second circuit board and third circuit board form the cooperation of inserting on the vertical direction, improve the installation effectiveness greatly, according to last interface end and each other not communicating with each other between the lower interface end, can avoid first conductive piece structure and second conductive piece structure to contact like this, just can not cause the interference to mounted position separately yet, installation stability is good.

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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are 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 cross-sectional view of a PCBA mounting structure of the fuse box of the present invention;

FIG. 2 is a schematic view of a split structure of a PCBA mounting structure of the fuse box of the present invention;

fig. 3 is a side view of a second circuit board of the present invention;

fig. 4 is a schematic structural diagram of a third circuit board according to the present invention;

description of reference numerals: 1-first circuit board, 11-first output terminal, 12-through hole, 2-second circuit board, 21-mounting through hole, 3-third circuit board, 31-second output terminal, 4-plug component, 41-upper interface terminal, 42-lower interface terminal, 5-first conductive member structure, 6-second conductive member structure, 7-box, 71-terminal hole structure.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

The present embodiment is described in detail below with reference to the accompanying drawings:

the present embodiment provides a PCBA mounting structure of a fuse box as shown in fig. 1-4, which includes a box body 7, and a first circuit board 1, a second circuit board 2 and a third circuit board 3, which are sequentially and parallelly disposed in the box body 7 from top to bottom, wherein the first circuit board 1 and the third circuit board 3 are electrically connected to the second circuit board 2 through a connector device respectively; connector device is including setting up connect plug element 4 on the second circuit board 2, connect plug element 4 have with first circuit board 1 is relative go up interface end 41, and with third circuit board 3 is relative lower interface end 42, still including setting up first circuit board 1 lower surface and with go up interface end 41 to inserting the first electrically conductive piece structure 5 of complex, and set up third circuit board 3 upper surface and with lower interface end 42 is to inserting the second electrically conductive piece structure 6 of complex, in this embodiment, first circuit board second circuit board with third circuit board represents distribution board, logic board and drive plate respectively to realize different function uses in practical application respectively.

The above embodiment is the core technical solution of this embodiment, three PCBA arranged in parallel in the box body are respectively the first circuit board, the second circuit board and the third circuit board, the plug-in component 4 is arranged on the second circuit board 2, the first circuit board 1 and the third circuit board 3 are respectively in butt-plug fit with the plug-in component 4 through the first conductive piece structure 5 and the second conductive piece structure 6, so that the three circuit boards are in butt-plug fit with each other in an up-down butt-plug manner, and can be pre-assembled into a whole outside the box body, and can be directly assembled into the box body as an installation whole, so as to achieve the integrated assembly effect, the installation efficiency is high, by adopting the technical solution, a plurality of PCBA are in butt-plug connection with each other by adopting a connector way, the installation and disassembly are both convenient, the maintenance difficulty is reduced, and the copper-coating rate, the PCBA assembling and producing method is beneficial to reducing weight and production cost, reducing the damage rate of the PCBA in the assembling and producing process, improving the mounting stability and reliability of the PCBA and improving the service performance of products.

As a preferred embodiment, the second circuit board 2 is provided with a mounting through hole corresponding to the plug component 4, through which the upper connector 41 can pass, and the upper connector 41 and the lower connector 42 are separately disposed at the upper side and the lower side of the second circuit board 2, so that the advantage of the design is that the upper connector 41 passes through the mounting through hole of the second circuit board 2 and then is exposed at one side of the upper surface of the second circuit board, and the lower connector 42 is exposed at one side of the lower surface of the second circuit board 2, when mounting, the first conductive member structure 5 can be accurately inserted into the upper connector 41 from top to bottom, and the second conductive member structure 6 can be accurately inserted into the lower connector 42 from bottom to top, so as to ensure that the first circuit board 1, the second circuit board 2 and the third circuit board 3 form a mating fit in the vertical direction, thereby greatly improving the mounting efficiency, and according to the upper connector 41 and the lower connector 42 are not communicated with each other, therefore, the first conductive structure 5 and the second conductive structure 6 can be prevented from being in mutual insertion contact, the interference to the respective installation positions can be avoided, and the installation stability is good.

As shown in fig. 2, the connector 4 extends along the width direction of the second circuit board 2 to a set length, so as to increase the installation length of the connector 4 and enlarge the connection range, the connector 4 is fixedly connected to the second circuit board 2 through a connector structure, the connector structure includes a positioning hole arranged on the second circuit board and a pin correspondingly arranged on the connector 4, and the pin is inserted into the positioning hole and then can be bent, pressed and welded, obviously, the fixing mode of the connector 4 on the second circuit board is not unique, and the connector 4 can also be fixedly connected to the second circuit board through a clamping structure or a screw structure or an adhesive structure. A person skilled in the art can select a specific fixing manner of the adhesive structure according to the above description, and further description of other equivalent embodiments is omitted here.

The specific structure of the first conductive component structure and the second conductive component structure will be described in detail with reference to fig. 1 and fig. 3-4:

first electrically conductive piece structure 5 includes the edge connect a plurality of first row of needles that plug 4 extending direction intervals set up, go up on interface end 41 correspond be provided with a plurality of first jacks that first row of needle cooperation was pegged graft, set up like this and make a plurality of first row of needles accurately insert in a plurality of first jacks, make first circuit board 1 with second circuit board 2 realizes the electricity through mating to inserting the cooperation and is connected, further sets up, second electrically conductive piece structure 6 includes follows connect a plurality of second row needles that plug 4 extending direction intervals set up, correspond on the lower interface end 42 be provided with a plurality of second jacks that second row needle cooperation was pegged graft, set up like this and make a plurality of second row needles accurately insert in a plurality of second jacks, realize second circuit board 2 with electricity between the third circuit board 3 is connected, to sum up can know, realized through the connector mode that the second circuit board respectively with the mating to inserting of first circuit board and third circuit board and arrange the wiring board And the first circuit board 1, the second circuit board 2 and the third circuit board 3 are reliably integrated together for use.

In this embodiment, as shown in fig. 1-2, the bottom of the box body 7 is provided with a plurality of terminal hole structures 71, the first circuit board 1 is provided with a plurality of first output terminals 11 penetrating into the terminal hole structures 71, the third circuit board 3 is provided with a plurality of second output terminals 31 penetrating through the second circuit board 2 and the first circuit board 1 and inserted into the terminal hole structures 71, the second circuit board 2 and the first circuit board 1 are respectively and correspondingly formed with a plurality of through holes 12 suitable for the second output terminals 31 to penetrate through, and the first output terminals 11 and the second output terminals 31 are used for connecting joints of automotive electronic equipment, so that the automotive electronic equipment and an electric circuit can be protected through the fuse box, and the use is safe and reliable.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A PCBA mounting structure of fuse box which characterized in that: the box comprises a box body (7), and a first circuit board (1), a second circuit board (2) and a third circuit board (3) which are sequentially arranged in the box body (7) in parallel from top to bottom, wherein the first circuit board (1) and the third circuit board (3) are respectively and electrically connected with the second circuit board (2) through connector devices; connector device is including setting up connect plug component (4) on second circuit board (2), connect plug component (4) have with first circuit board (1) relative last interface end (41), and with third circuit board (3) relative lower interface end (42), still including setting up first circuit board (1) lower surface and with go up interface end (41) to inserting first electrically conductive piece structure (5) of complex, and set up and be in third circuit board (3) upper surface and with lower interface end (42) are to inserting electrically conductive piece structure (6) of complex second.

2. A PCBA mounting structure for a fuse block as set forth in claim 1, wherein: the second circuit board (2) corresponds plug-in components (4) are provided with the confession go up the installation through-hole that interface end (41) passed, go up interface end (41) and lower interface end (42) and establish respectively the upper and lower both sides of second circuit board (2), go up interface end (41) with each other not communicate with each other between lower interface end (42).

3. A PCBA mounting structure for a fuse box according to claim 1 or 2, wherein: the plug-in component (4) is along the width direction extension of second circuit board (2) sets up length to through grafting structure or joint structure or screw structure fixed connection in second circuit board (2).

4. A PCBA mounting structure for a fuse block as set forth in claim 3, wherein: the first conductive piece structure (5) comprises a plurality of first rows of pins which are arranged at intervals along the extending direction of the plug-in component (4), and a plurality of first jacks which are matched and spliced with the first rows of pins are correspondingly arranged on the upper interface end (41).

5. A PCBA mounting structure for a fuse box according to claim 4, in which: the second conductive piece structure (6) comprises a plurality of second pins which are arranged along the extending direction of the plug-in component (4) at intervals, and a plurality of second jacks which are matched and spliced with the second pins are correspondingly arranged on the lower interface end (42).

6. A PCBA mounting structure for a fuse block as set forth in claim 1, wherein: the bottom of box body (7) is provided with a plurality of terminal hole structures (71), be provided with on first circuit board (1) and penetrate a plurality of first output terminal (11) in terminal hole structure (71), be provided with on third circuit board (3) and pass second circuit board (2) and first circuit board (1) insert a plurality of second output terminal (31) in terminal hole structure (71).

7. A PCBA mounting structure for a fuse box according to claim 6, in which: and a plurality of through holes (12) suitable for the second output terminals (31) to penetrate are correspondingly formed in the second circuit board (2) and the first circuit board (1) respectively.