CN218483028U

CN218483028U - Multilayer circuit board for automobile

Info

Publication number: CN218483028U
Application number: CN202222473646.4U
Authority: CN
Inventors: 尹红华; 谭检朱; 谭军华
Original assignee: Huizhou Huagao Circuit Co ltd
Current assignee: Huizhou Huagao Circuit Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-02-14
Anticipated expiration: 2032-09-19

Abstract

The utility model discloses a multilayer circuit board for car, including the main part board, the equal fixed mounting in front of main part board upper end and upper end rear portion has a branch, two the spout has all been seted up to the front side between and the rear side between the branch the left side all is provided with the limiting plate between and between the branch, two be provided with a plurality of circuit board bodies between the limiting plate jointly, main part board upper end middle part fixed mounting has the mounting box, main part board upper end rear portion fixed mounting has the extension board. A multilayer circuit board for car, through setting up mounting box and radiator unit, drive the push rod through the pneumatic cylinder, make the slider can drive the limiting plate and remove to make circuit board body convenient to detach change, drive through the motor and rotate post and flabellum, and with wind-force in the inlet port inhales the mount, and under the operation by the flabellum, can carry wind-force to circuit board body below, thereby improve the radiating efficiency.

Description

Multilayer circuit board for automobile

Technical Field

The utility model relates to a circuit board technical field, in particular to multilayer circuit board for car.

Background

Circuit boards, also known as printed circuit boards, are providers of electrical connections for electronic components. The development of the circuit board has been over 100 years old, the design is mainly a domain design, and the circuit board has the main advantages of greatly reducing errors of wiring and assembly and improving the automation level and the production labor rate. The printed circuit board can be divided into a single-sided board, a double-sided board, a four-layer board, a six-layer board and other multi-layer circuit boards according to the number of layers of the circuit board. At present, with the development of science and technology, the requirements of electronic products are more and more strict, and the work of the electronic products depends on the performance of the circuit board. When electronic products in an automobile are used, the situation of shaking and even continuous vibration often occurs, so that the circuit board vibrates along with the electronic products, and the working performance of the circuit board is seriously influenced; meanwhile, the circuit board can generate a large amount of heat in the long-time working process, and the heat is accumulated on the circuit layer and the copper plate in a large amount, so that the circuit board is easily damaged, and the working performance of the circuit board is influenced.

The prior art (patent number: CN 214852016U) discloses a multilayer circuit board for an automobile, which comprises a substrate, a first connecting column, a second connecting column, a mounting plate and a fixing bolt, wherein the bottom ends of the first connecting column and the second connecting column are fixedly connected with the top surface of the substrate, a plurality of unit circuit boards are arranged between the first connecting column and the second connecting column, each unit circuit board comprises a copper plate and a circuit layer, and the upper surface of the copper plate is fixedly connected with the lower surface of the circuit layer; the upper surface of the copper plate is provided with a plurality of grooves; a first heat-conducting adhesive layer is filled in the groove; the lower surface of the copper plate is fixedly connected with the radiating fin through a second heat-conducting adhesive layer; the bottom surface of the substrate is fixedly connected with the mounting plate through a plurality of spring assemblies; the fixing bolt penetrates through the base plate and the mounting plate. The beneficial effects of the utility model reside in that: the heat dissipation efficiency of the multilayer circuit board can be improved, so that the influence of heat on the multilayer circuit board is reduced; meanwhile, the anti-seismic effect of the multilayer circuit board is improved, the influence of vibration on the working performance of the multilayer circuit board can be reduced, and the service life of the multilayer circuit board is prolonged.

Present multilayer circuit board for car has following drawback, because multilayer circuit board can produce a large amount of heats when the operation only rely on the fin can not discharge a large amount of heats fast to influence the radiating efficiency, current circuit board need realize demolising through professional instrument when dismantling the change, owing to demolish the process comparatively complicated, cause the damage to the circuit board easily when dismantling, thereby reduce the availability factor, so, we propose a neotype multilayer circuit board for car.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a multilayer circuit board for car can effectively solve multilayer circuit board's radiating efficiency, can solve the problem that the circuit board was dismantled and is changed simultaneously.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the utility model provides a multilayer circuit board for car, includes the main part board, the equal fixed mounting in front portion of main part board upper end and upper end rear portion has a branch, two the spout has all been seted up to the front side between the branch and between the rear side, two the left side all is provided with the limiting plate between and between the branch the right side, two be provided with a plurality of circuit board bodies between the limiting plate jointly, main part board upper end middle part fixed mounting has the mounting box, main part board upper end rear portion fixed mounting has the extension board.

Preferably, the left part of the rear end of the support plate and the right part of the rear end of the support plate are fixedly connected with heat dissipation assemblies.

Preferably, two equal fixedly connected with slider in limiting plate front end lower part and rear end lower part, two the left side between the limiting plate and between the right side all seted up the groove that links up, the equal fixedly connected with pneumatic cylinder of mounting box left end and right-hand member, two the equal swing joint of pneumatic cylinder output has the push rod.

Preferably, the slider sliding connection is in the spout, two the equal fixed connection of one end that the pneumatic cylinder was kept away from to the push rod is on the limiting plate, the circuit board body links up in linking up the inslot.

Preferably, the radiator unit includes the mount, the inlet port of break-over around a plurality of is seted up to the mount rear end, the inside fixedly connected with motor of mount, motor output end fixedly connected with rotates the post, it is connected with the flabellum to rotate post front end fixedly, the mounting groove of break-over around the extension board rear end left part and rear end right part are all seted up, the mount is fixed in the mounting groove.

Preferably, a plurality of the air inlets are distributed in an annular array, a gap exists between the support plate and the branch bar, and a gap exists between the support plate and the limiting plate.

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

1. in the utility model, the heat dissipation treatment of the multilayer circuit board body is realized by arranging the heat dissipation component, when the heat generated by the multilayer circuit board body during operation needs to be treated, the rotating column is driven by the motor, and then the fan blade is driven by the rotating column, so that wind power can be sucked into the fixed frame from the air inlet hole;

2. the utility model discloses in, through setting up the mounting box, make circuit board body convenient to detach change, when using, when circuit board body need dismantle the change, drive the push rod through the pneumatic cylinder, make the slider can remove in the spout to drive the limiting plate by the slider and remove, thereby make the circuit board body convenient to detach change that links up the inslot, can avoid the circuit board body to dismantle the damage that causes because the operation is improper when changing.

Drawings

Fig. 1 is a schematic view of an overall structure of a multilayer circuit board for an automobile according to the present invention;

fig. 2 is a right side view of the overall structure of the multilayer circuit board for an automobile of the present invention;

fig. 3 is a schematic view of an overall structure of a limiting plate of a multilayer circuit board for an automobile according to the present invention;

fig. 4 is a schematic diagram of an overall structure of a heat dissipation assembly of a multilayer circuit board for an automobile.

In the figure: 1. a main body plate; 2. a limiting plate; 3. branch; 4. mounting a box; 5. a circuit board body; 6. a support plate; 7. a chute; 8. a heat dissipating component; 21. a slider; 22. a joining groove; 41. a hydraulic cylinder; 42. a push rod; 61. mounting grooves; 81. a fixed mount; 82. an air intake; 83. a motor; 84. rotating the column; 85. and fan blades.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made 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. Furthermore, the terms "first," "second," and the like 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," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 as a specific case by those skilled in the art.

As shown in fig. 1-4, a multilayer circuit board for an automobile comprises a main body board 1, wherein supporting strips 3 are fixedly mounted on the front portion of the upper end and the rear portion of the upper end of the main body board 1, sliding grooves 7 are formed in the front side between the two supporting strips 3 and the rear side between the two supporting strips, limiting plates 2 are arranged on the left side between the two supporting strips 3 and the right side between the two supporting strips 3, a plurality of circuit board bodies 5 are jointly arranged between the two limiting plates 2, a mounting box 4 is fixedly mounted in the middle of the upper end of the main body board 1, and a supporting plate 6 is fixedly mounted on the rear portion of the upper end of the main body board 1; the left part of the rear end of the support plate 6 and the right part of the rear end of the support plate are fixedly connected with a heat dissipation assembly 8.

The lower parts of the front ends and the lower parts of the rear ends of the two limiting plates 2 are fixedly connected with sliding blocks 21, the left side and the right side between the two limiting plates 2 are provided with connecting grooves 22, the left end and the right end of the mounting box 4 are fixedly connected with hydraulic cylinders 41, and the output ends of the two hydraulic cylinders 41 are movably connected with push rods 42; the hydraulic cylinder 41 drives the push rod 42 to enable the slide block 21 to drive the limiting plate 2 to move, so that the circuit board body 5 is convenient to disassemble and replace; slider 21 sliding connection is in spout 7, and the equal fixed connection of the one end that pneumatic cylinder 41 was kept away from to two push rods 42 is on limiting plate 2, and circuit board body 5 links up in linking up the groove 22.

The heat dissipation assembly 8 comprises a fixing frame 81, a plurality of front and back through air inlets 82 are formed in the rear end of the fixing frame 81, a motor 83 is fixedly connected inside the fixing frame 81, a rotating column 84 is fixedly connected to the output end of the motor 83, a fan blade 85 is fixedly connected to the front end of the rotating column 84, front and back through mounting grooves 61 are formed in the left portion of the rear end and the right portion of the rear end of the support plate 6, and the fixing frame 81 is fixed in the mounting grooves 61; the plurality of air inlets 82 are distributed in an annular array, a gap exists between the support plate 6 and the branch bar 3, and a gap exists between the support plate 6 and the limiting plate 2; the motor 83 drives the rotating column 84 and the fan blades 85, wind power is sucked into the fixed frame 81 from the air inlet 82, and the fan blades 85 run to convey the wind power to the lower part of the circuit board body 5, so that the heat dissipation efficiency is improved.

It should be noted that, the utility model relates to a multilayer circuit board for automobile, through setting up radiator unit 8, realize the heat dissipation of multilayer circuit board body 5 and handle, when using, when multilayer circuit board body 5 produced heat when the operation needs to be handled, drive rotating post 84 through motor 83, drive flabellum 85 by rotating post 84 again, can inhale wind-force from inlet 82 in the mount 81, under the operation of rotating post 84 and flabellum 85 is driven by motor 83 again, can carry wind-force forward, make the heat below circuit board body 5 can keep away from circuit board body 5 fast under the effect of wind-force, thereby improve the radiating efficiency; through setting up mounting box 4, make circuit board body 5 convenient to detach change, when using, when circuit board body 5 need dismantle the change, drive push rod 42 through pneumatic cylinder 41, make slider 21 remove in spout 7 to drive limiting plate 2 by slider 21 and remove, thereby make the circuit board body 5 convenient to detach change in linking groove 22, can avoid circuit board body 5 when dismantling the change because the operation is improper and the damage that causes.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a multilayer circuit board for car, includes main body board (1), its characterized in that: main part board (1) upper end front portion and the equal fixed mounting in upper end rear portion have branch strip (3), two spout (7), two have all been seted up to the front side between branch strip (3) and between the rear side all be provided with limiting plate (2), two on the left side between branch strip (3) and between the right side be provided with a plurality of circuit board bodies (5) jointly between limiting plate (2), main part board (1) upper end middle part fixed mounting has mounting box (4), main part board (1) upper end rear portion fixed mounting has extension board (6).

2. The multilayer circuit board for an automobile according to claim 1, characterized in that: and the left part of the rear end of the support plate (6) and the right part of the rear end of the support plate are fixedly connected with a heat dissipation assembly (8).

3. The multilayer circuit board for an automobile according to claim 2, characterized in that: two equal fixedly connected with slider (21) in limiting plate (2) front end lower part and rear end lower part, two link up groove (22) have all been seted up on the left side between limiting plate (2) and the right side between, the equal fixedly connected with pneumatic cylinder (41) of mounting box (4) left end and right-hand member, two the equal swing joint of pneumatic cylinder (41) output has push rod (42).

4. The multilayer circuit board for an automobile according to claim 3, characterized in that: slider (21) sliding connection is in spout (7), two equal fixed connection of one end of pneumatic cylinder (41) is kept away from in push rod (42) is on limiting plate (2), circuit board body (5) link up in linking up groove (22).

5. The multilayer circuit board for an automobile according to claim 4, characterized in that: radiator unit (8) are including mount (81), inlet port (82) of a plurality of front and back break-over are seted up to mount (81) rear end, mount (81) inside fixedly connected with motor (83), motor (83) output fixedly connected with rotates post (84), rotate post (84) front end fixedly connected with flabellum (85), the mounting groove (61) of break-over around all having been seted up to extension board (6) rear end left part and rear end right part, mount (81) are fixed in mounting groove (61).

6. The multilayer circuit board for an automobile according to claim 5, characterized in that: the air inlets (82) are distributed in an annular array, gaps exist between the support plate (6) and the branch bars (3), and gaps exist between the support plate (6) and the limiting plate (2).