CN218450671U

CN218450671U - Multilayer PCB circuit board

Info

Publication number: CN218450671U
Application number: CN202222299231.XU
Authority: CN
Inventors: 蔡育德
Original assignee: Huizhou Runzhong Technology Co ltd
Current assignee: Huizhou Runzhong Technology Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-02-03
Anticipated expiration: 2032-08-30

Abstract

The utility model discloses a multilayer PCB circuit board relates to PCB circuit board technical field, set up and inside being hollow fixing base including two relatively, the inboard of two fixing bases all is provided with a set of spacing subassembly along vertical direction equidistance, lie in and constitute the cavity between two adjacent spacing subassemblies of one side, lie in spacing circuit board that is provided with between two spacing subassemblies of same horizontal plane, four edges on circuit board top all set up threaded hole, and the circuit board passes through fixing bolt and the spacing subassembly fixed connection that the screw-in hole fit was equipped with, the bottom that lies in the circuit board between two fixing bases is provided with radiator unit. The utility model discloses a radiator unit who is equipped with can dispel the heat to multilayer circuit board simultaneously, can improve the radiating effect to the circuit board, reduces the circuit board and piles up the possibility that can not normal use because of the heat, through the dust removal subassembly that is equipped with, can sweep the dust on circuit board surface, reduces piling up of circuit board surface dust.

Description

Multilayer PCB circuit board

Technical Field

The utility model relates to a PCB circuit board technical field especially relates to a multilayer PCB circuit board.

Background

The printed circuit board, namely a PCB (printed circuit board), also called as a printed circuit board, is a provider for electrical connection of electronic components, and the development of the printed circuit board has been over 100 years; the design of the method is mainly layout design; the circuit board has the main advantages of greatly reducing errors of wiring and assembly, improving the automation level and the production labor rate, and combining a plurality of circuit boards together by using the multilayer PCB.

The existing multilayer circuit board has poor heat dissipation effect, and usually, only two circuit boards at the edge are provided with heat dissipation devices such as a heat dissipation fan, so that heat between the multilayer circuit boards cannot be dissipated in time, more heat is easily accumulated in the heat dissipation plate, and the normal use of the circuit boards is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a multilayer PCB circuit board. The heat dissipation structure has the advantage that the heat dissipation effect of the multilayer circuit board can be improved.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a multilayer PCB circuit board, includes that two set up relatively and inside are hollow fixing base, two vertical direction equidistance is all followed to the inboard of fixing base and is provided with a set of spacing subassembly, lies in adjacent two with one side constitute the cavity between the spacing subassembly, lie in two of same horizontal plane spacing circuit board that is provided with between the spacing subassembly, four edges on circuit board top all set up threaded hole, just the circuit board passes through fixing bolt and the spacing subassembly fixed connection that the screw hole fit was equipped with, two the bottom that lies in the circuit board between the fixing base is provided with radiator unit, one of them one side of fixing base is provided with the dust removal subassembly.

Through the technical scheme: through the spacing subassembly that is equipped with, can carry on spacingly to the both ends of circuit board, cooperation fixing bolt can realize fixing circuit board and fixing base, and through the radiator unit who is equipped with, can dispel the heat simultaneously to the multilayer circuit board, can improve the radiating effect to the circuit board, reduce the circuit board and pile up the possibility that can not normal use because of the heat, through the dust removal subassembly that is equipped with, can sweep the dust on circuit board surface, reduce piling up of circuit board surface dust.

The utility model discloses further set up to, spacing subassembly includes spacing board and lower spacing board, go up the spacing board and all with fixing base fixed connection with lower spacing board, just constitute the spacing groove between last spacing board and the lower spacing board.

Through the technical scheme: constitute the spacing groove through last limiting plate and lower limiting plate, can conveniently carry out spacing the placing with the both ends of circuit board.

The utility model discloses further set up to, radiator unit includes that a set of inside is hollow heat-conducting plate, and is a set of the heat-conducting plate is equidistance setting respectively between two lower limiting plates that are located same horizontal plane, just the both ends of heat-conducting plate all with lower limiting plate fixed connection.

Through the technical scheme: through the heat-conducting plate that is equipped with, can absorb the heat that the circuit board work produced, and can realize connecting two fixing bases through the heat-conducting plate.

The utility model discloses further set up to, a set of the both sides of heat-conducting plate are provided with into water passageway and play water passageway respectively relatively, it all includes a set of branch pipe one, a set of with a set of heat-conducting plate corresponding intercommunication respectively to advance water passageway, and a set of branch pipe one is linked together and is provided with same person in charge one, it is located the fixing base to be responsible for one.

Through the technical scheme: can let in cold water reposition of redundant personnel to branch pipe one in through being equipped with, then go into to the heat-conducting plate in through branch pipe one pump, can carry out the thermal-arrest to the heat-conducting plate fast.

The utility model discloses further set up to, a set of be responsible for one side of one and corresponding respectively and be linked together and be provided with branch pipe two, a set of one side of branch pipe two is linked together and is provided with same person in charge two, one side of being responsible for two is linked together and is provided with communicating pipe, the outside of fixing base is arranged in to the one end of communicating pipe is passed the fixing base.

Through the technical scheme: and cold water is pumped into the second main pipe through the communicating pipe by an external water pump, and the second main pipe shunts the cold water into the second branch pipe.

The utility model discloses further set up to, the dust removal subassembly includes two hair-dryers, two the hair-dryer sets up respectively at the both ends of fixing base one side, and two the air outlet of hair-dryer is connected with same inside and is hollow album wind piece.

Through the technical scheme: through setting up inside for hollow album of wind piece, can concentrate the gas that two hair-dryers are blown.

The utility model discloses further set up to, the inboard of collection wind piece is provided with a set of exhaust pipe along vertical direction equidistance, the one end of exhaust pipe is linked together and is provided with the air-out passageway, the fixed top that sets up at last limiting plate of air-out passageway, just the air outlet slope of air-out passageway upwards sets up.

Through the technical scheme: the air that will the hair-dryer blew into to the air-out passageway along the exhaust pipe, then blows to the surface of circuit board through the air-out passageway again, can realize sweeping the dust on circuit board surface.

The utility model has the advantages that:

1. this multilayer PCB circuit board through the radiator unit who is equipped with, can dispel the heat to multilayer circuit board simultaneously, can improve the radiating effect to the circuit board, reduces the circuit board and piles up the possibility that can not normal use because of the heat, through the dust removal subassembly that is equipped with, can sweep the dust on circuit board surface, reduces piling up of circuit board surface dust.

2. This multilayer PCB circuit board constitutes the spacing groove through last limiting plate and lower limiting plate, can conveniently carry out spacing the placing with the both ends of circuit board, and cooperation fixing bolt can realize fixing circuit board and fixing base.

3. This multilayer PCB circuit board through the heat-conducting plate that is equipped with, can absorb the heat that the circuit board work produced, and can realize connecting two fixing bases through the heat-conducting plate.

Drawings

Fig. 1 is a schematic view of a connection structure between a circuit board and a limiting component of a multilayer PCB circuit board according to the present invention;

fig. 2 is a schematic view of a connection structure between a heat conducting plate and a fixing seat of a multilayer PCB provided by the present invention;

fig. 3 is a schematic view of a connecting structure between a fixing bolt and a circuit board of a multilayer PCB provided by the present invention;

fig. 4 is a schematic structural view of a heat dissipation assembly of a multilayer PCB circuit board according to the present invention;

fig. 5 is the utility model provides a dust removal component schematic structure of multilayer PCB circuit board.

In the figure: 1. a fixed seat; 2. a limiting component; 201. an upper limiting plate; 202. a lower limiting plate; 203. a limiting groove; 3. a circuit board; 4. a threaded hole; 5. fixing the bolt; 6. a heat dissipating component; 601. a heat conducting plate; 602. a first branch pipe; 603. a first main pipe; 604. a second branch pipe; 605. a second main pipe; 606. a communicating pipe; 7. a chamber; 8. a dust removal assembly; 801. a blower; 802. a wind collecting block; 803. an exhaust duct; 804. an air outlet channel.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-5, a multilayer PCB circuit board, including two relative settings and inside be hollow fixing base 1, the inboard of two fixing base 1 all is provided with a set of spacing subassembly 2 along vertical direction equidistance, lie in and constitute cavity 7 between two adjacent spacing subassemblies 2 with one side, it is spacing to be provided with circuit board 3 to lie in between two spacing subassemblies 2 of same horizontal plane, threaded hole 4 has all been seted up to four edges on circuit board 3 top, and circuit board 3 passes through fixing bolt 5 and spacing subassembly 2 fixed connection that the cooperation was equipped with in the threaded hole 4, the bottom that lies in circuit board 3 between two fixing base 1 is provided with radiator unit 6, one side of one of them fixing base 1 is provided with dust removal subassembly 8.

Example 2

Referring to fig. 1-5, the limiting assembly 2 includes an upper limiting plate 201 and a lower limiting plate 202, the upper limiting plate 201 and the lower limiting plate 202 are both fixedly connected with the fixing base 1, a limiting groove 203 is formed between the upper limiting plate 201 and the lower limiting plate 202, and the upper limiting plate 201 and the lower limiting plate 202 form the limiting groove 203, so that two ends of the circuit board 3 can be conveniently limited and placed; the heat dissipation assembly 6 comprises a group of heat conduction plates 601 with hollow interiors, the group of heat conduction plates 601 are respectively arranged between the two lower limiting plates 202 on the same horizontal plane at equal intervals, the two ends of each heat conduction plate 601 are fixedly connected with the lower limiting plates 202, heat generated by the working of the circuit board 3 can be absorbed through the arranged heat conduction plates 601, and the two fixed seats 1 can be connected through the heat conduction plates 601; the two sides of one group of heat-conducting plates 601 are respectively and oppositely provided with a water inlet channel and a water outlet channel, the water inlet channel and the water outlet channel have the same structure and respectively comprise a group of first branch pipes 602, the group of first branch pipes 602 are respectively and correspondingly communicated with the group of heat-conducting plates 601, one side of the group of first branch pipes 602 is communicated with a same first main pipe 603, the first main pipe 603 is positioned in the fixed seat 1, cold water can be shunted and introduced into the first branch pipes 602 through the first main pipe 603, and then the cold water is pumped into the heat-conducting plates 601 through the first branch pipes 602, so that the heat-conducting plates 601 can be rapidly subjected to heat dissipation treatment; one side of the group of the first main pipes 603 corresponds to and is communicated with the second branch pipes 604, one side of the group of the second branch pipes 604 is communicated with the second main pipe 605, one side of the second main pipe 605 is communicated with the communicating pipe 606, one end of the communicating pipe 606 penetrates through the fixed seat 1 and is arranged outside the fixed seat 1, cold water is pumped into the second main pipe 605 along the communicating pipe 606 through an external water pump, and the second main pipe 605 shunts the cold water into the second branch pipes 604.

Example 3

Referring to fig. 1-5, the dust removing assembly 8 includes two blowers 801, the two blowers 801 are respectively disposed at two ends of one side of the fixing base 1, and air outlets of the two blowers 801 are connected to a same air collecting block 802 with a hollow interior, so that air blown by the two blowers 801 can be collected by disposing the air collecting block 802 with a hollow interior; the inboard of wind collection piece 802 is provided with a set of exhaust pipe 803 along vertical direction equidistance, and the one end of exhaust pipe 803 is linked together and is provided with air-out passageway 804, and air-out passageway 804 is fixed to be set up on the top of last limiting plate 201, and the air outlet slope of air-out passageway 804 upwards sets up, and the gas that will blow out hair-dryer 801 is blown into to air-out passageway 804 along exhaust pipe 803, then blows to circuit board 3's surface through air-out passageway 804 again, can realize sweeping the dust on circuit board 3 surface.

The working principle is as follows: through the spacing subassembly 2 that is equipped with, can carry on spacingly to the both ends of circuit board 3, cooperation fixing bolt 5 can realize fixing circuit board 3 and fixing base 1, through the radiator unit 6 that is equipped with, go into the inlet channel with cold water pump through outside water pump, cold water is when through heat-conducting plate 601, can dispel the heat fast to the absorptive heat of heat-conducting plate 601, cold water after the heat absorption is discharging through the outlet channel, can realize dispelling the heat simultaneously to multilayer circuit board 3, can improve the radiating effect to circuit board 3, reduce circuit board 3 and pile up the possibility that can not normally use because of the heat, through the dust removal subassembly 8 that is equipped with, can sweep the dust on circuit board 3 surface, reduce piling up of circuit board 3 surface dust.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a multilayer PCB circuit board, includes that two set up relatively and inside are hollow fixing base (1), its characterized in that, two the inboard of fixing base (1) all is provided with a set of spacing subassembly (2) along vertical direction equidistance, is located two adjacent with one side constitute cavity (7) between spacing subassembly (2), be located two of same horizontal plane spacing between spacing subassembly (2) is provided with circuit board (3), threaded hole (4) are all seted up to four edges on circuit board (3) top, just fixing bolt (5) and spacing subassembly (2) fixed connection that circuit board (3) were equipped with through the cooperation in screw hole (4), two the bottom that lies in circuit board (3) between fixing base (1) is provided with radiator unit (6), one of them one side of fixing base (1) is provided with dust removal subassembly (8).

2. The PCB of claim 1, wherein the limiting component (2) comprises an upper limiting plate (201) and a lower limiting plate (202), the upper limiting plate (201) and the lower limiting plate (202) are both fixedly connected with the fixing base (1), and a limiting groove (203) is formed between the upper limiting plate (201) and the lower limiting plate (202).

3. The PCB of claim 2, wherein the heat sink assembly (6) comprises a set of heat conducting plates (601) with hollow inside, a set of heat conducting plates (601) are respectively and equidistantly arranged between two lower limiting plates (202) on the same horizontal plane, and both ends of the heat conducting plates (601) are fixedly connected with the lower limiting plates (202).

4. The PCB of claim 3, wherein two sides of a group of heat-conducting plates (601) are respectively and oppositely provided with a water inlet channel and a water outlet channel, the water inlet channel and the water outlet channel have the same structure and each comprise a group of first branch pipes (602), a group of first branch pipes (602) are respectively and correspondingly communicated with a group of heat-conducting plates (601), one side of a group of first branch pipes (602) is communicated with a group of first main pipes (603), and the first main pipes (603) are positioned in the fixing base (1).

5. The PCB of claim 4, wherein one side of the group of the first main pipes (603) is correspondingly and communicatively provided with a second main pipe (604), one side of the group of the second main pipes (604) is communicatively provided with a second main pipe (605), one side of the second main pipe (605) is communicatively provided with a communicating pipe (606), and one end of the communicating pipe (606) passes through the fixing base (1) and is disposed outside the fixing base (1).

6. The PCB of claim 1, wherein the dust removing assembly (8) comprises two blowers (801), the two blowers (801) are respectively arranged at two ends of one side of the fixing base (1), and air outlets of the two blowers (801) are connected with the same air collecting block (802) with a hollow inner part.

7. The multilayer PCB circuit board of claim 6, wherein a set of exhaust pipes (803) are equidistantly arranged along a vertical direction on the inner side of the wind collecting block (802), one ends of the exhaust pipes (803) are communicated with an air outlet channel (804), the air outlet channel (804) is fixedly arranged at the top end of the upper limiting plate (201), and an air outlet of the air outlet channel (804) is obliquely and upwardly arranged.