CN217037539U

CN217037539U - Multilayer composite printed circuit board for medical equipment

Info

Publication number: CN217037539U
Application number: CN202220133432.XU
Authority: CN
Inventors: 周华峰
Original assignee: Shenzhen Deren Electronic Co Ltd
Current assignee: Shenzhen Deren Electronic Co Ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-07-22
Anticipated expiration: 2032-01-18

Abstract

The utility model relates to the technical field of medical equipment and discloses a multilayer composite printed circuit board for the medical equipment, which comprises a circuit board body, wherein the circuit board body comprises a substrate layer, a heat conduction layer and an outer surface layer, the heat conduction layer is respectively positioned on the upper side and the lower side of the substrate layer, the outer surface layer is fixedly connected to one side, far away from the substrate layer, of the heat conduction layer, grooves are formed in four corners of the circuit board body, and mounting holes are formed in the grooves. The utility model has the advantages of convenient installation and fixation, and no need of additionally using a dismounting tool, can achieve the purpose of quickly installing the printed circuit board, thereby avoiding the damage of the printed circuit board caused by using bolts, prolonging the service life of the printed circuit board, and solving the problems that the printed circuit board is damaged and can not be normally used because the printed circuit board is usually fixed by using bolts and needs to be installed and fixed by the aid of the dismounting tool, and the printed circuit board is easy to wear because the bolts need to be dismounted during maintenance.

Description

Multilayer composite printed circuit board for medical instrument

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a multilayer composite printed circuit board for medical instruments.

Background

The printed circuit board enables the circuit to be miniaturized and visualized, plays an important role in batch production of fixed circuits and optimization of electric appliance layout, is of a multi-layer structure and is provided with a medium layer between every two layers. In the medical technology field, a variety of medical devices are used, which are typically controlled through a printed wiring board.

At present, a multilayer composite printed circuit board for a medical apparatus is usually fixed by bolts, and needs to be installed and fixed by means of a disassembling tool, and the bolts need to be disassembled during maintenance to easily cause circuit board abrasion, so that the printed circuit board is damaged and cannot be normally used, medical expenses are increased, and the problem is solved by providing the multilayer composite printed circuit board for the medical apparatus.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multilayer composite printed circuit board for medical equipment, which has the advantages of convenient installation and fixation and no need of additionally using a disassembling tool, and solves the problems that the conventional printed circuit board is usually fixed by bolts, needs to be installed and fixed by the disassembling tool, and is easy to wear due to the need of disassembling the bolts during maintenance, so that the printed circuit board is damaged and cannot be normally used.

In order to achieve the purpose, the utility model provides the following technical scheme: a multilayer composite printed circuit board for medical apparatus comprises a circuit board body, wherein the circuit board body comprises a substrate layer, a heat conduction layer and an outer surface layer, the heat conduction layer is respectively positioned at the upper side and the lower side of the substrate layer, the outer surface layer is fixedly connected with one side of the heat conduction layer far away from the substrate layer, four corners of the circuit board body are respectively provided with a groove, the inside of each groove is provided with a mounting hole, a sleeve is fixedly connected inside the mounting hole, positioning blocks are arranged on the upper side and the lower side of the sleeve, the inner part of the sleeve is rotationally connected with a movable pipe, the inner part of the movable pipe is fixedly connected with a fixed plate, the fixing plates are symmetrically arranged, positioning columns penetrate through the surfaces of the fixing plates, one ends of the positioning columns are fixedly connected with the positioning blocks, and the outer side of the positioning column is sleeved with a compression spring, and two ends of the compression spring are fixedly connected with the fixing plate and the positioning block respectively.

Preferably, a semiconductor element is fixedly connected to the middle position of the top of the circuit board body, a pin of the semiconductor element is electrically connected with the conductive copper sheet, an I/O connection port is fixedly connected to the right side of the top of the circuit board body, and the I/O connection port comprises a parallel interface, a serial interface, a direct data transmission interface, an interrupt control interface and a timer/counter interface.

Preferably, the substrate layer is an epoxy resin plate, the heat conduction layer is an aluminum nitride layer, the thickness of the aluminum nitride layer is half of that of the substrate layer, and the outer surface layer is a polypropylene resin layer.

Preferably, the upper side and the lower side of the base material layer are both provided with conductive copper sheets, the conductive copper sheets are parallel to the heat conduction layer, and the thickness of the conductive copper sheets is smaller than that of the heat conduction layer.

Preferably, the surface of the circuit board body is provided with a plurality of through holes, the through holes are symmetrically distributed, and the bonding pad of the conductive copper sheet is electrically connected with the through holes.

Preferably, the positioning blocks are symmetrically arranged, and one opposite sides of the positioning blocks are arc-shaped.

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

according to the utility model, through the arrangement of the circuit board body, the groove, the mounting hole, the sleeve, the positioning block, the movable pipe, the fixing plate, the positioning column and the compression spring, the printed circuit board mounting structure has the advantages of convenience in mounting and fixing and no need of additionally using a dismounting tool, and can achieve the purpose of quickly mounting the printed circuit board, thereby avoiding the damage to the printed circuit board caused by using bolts, prolonging the service life of the printed circuit board, and solving the problems that the printed circuit board is usually fixed by using bolts, the mounting and fixing need to be carried out by means of the dismounting tool, and the circuit board is easy to wear because the bolts need to be dismounted during maintenance, so that the printed circuit board is damaged and cannot be normally used.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a top sectional view of the present invention;

FIG. 3 is a schematic cross-sectional view of the structure of the present invention;

FIG. 4 is an enlarged view of a portion of the utility model at A in FIG. 3;

FIG. 5 is a cross-sectional view of the circuit board body structure of the present invention.

In the figures, the reference symbols have the following meanings: 1. a circuit board body; 101. a substrate layer; 102. a heat conducting layer; 103. an outer surface layer; 2. a semiconductor element; 3. an I/O connection port; 4. a groove; 5. mounting holes; 6. a sleeve; 7. positioning a block; 8. a movable tube; 9. a fixing plate; 10. a positioning column; 11. a compression spring; 12. a conductive copper sheet; 13. and a through hole.

Detailed Description

The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, a multilayer composite printed circuit board for medical devices comprises a circuit board body 1, wherein the circuit board body 1 comprises a substrate layer 101, a heat conduction layer 102 and an outer surface layer 103, the heat conduction layer 102 is respectively positioned at the upper side and the lower side of the substrate layer 101, the outer surface layer 103 is fixedly connected to one side of the heat conduction layer 102 away from the substrate layer 101, the substrate layer 101 is an epoxy resin plate, the heat conduction layer 102 is an aluminum nitride layer, the thickness of the aluminum nitride layer is half of that of the substrate layer 101, the outer surface layer 103 is a polypropylene resin layer, the structural strength of the printed circuit board can be increased, heat conduction is facilitated, heat dissipation is accelerated, the service life of the printed circuit board is prolonged, four corners of the circuit board body 1 are respectively provided with a groove 4, a mounting hole 5 is formed inside the groove 4, a sleeve 6 is fixedly connected inside the mounting hole 5, the upper side and the lower side of the sleeve 6 are respectively provided with a positioning block 7, locating piece 7 is the symmetry setting, and the one side that locating piece 7 is in opposite directions is circular-arcly, and the inside rotation of sleeve pipe 6 is connected with movable tube 8, and the inside fixedly connected with fixed plate 9 of movable tube 8, and fixed plate 9 is the symmetry setting, and the surface of fixed plate 9 runs through and is provided with reference column 10, the one end and the locating piece 7 fixed connection of reference column 10, and the outside cover of reference column 10 is equipped with compression spring 11, compression spring 11's both ends respectively with fixed plate 9 and locating piece 7 fixed connection.

Specifically, the middle position of the top of the circuit board body 1 is fixedly connected with a semiconductor element 2, a pin of the semiconductor element 2 is electrically connected with a conductive copper sheet 12, the right side of the top of the circuit board body 1 is fixedly connected with an I/O connection port 3, and the I/O connection port 3 comprises a parallel interface, a serial interface, a direct data transmission interface, an interrupt control interface and a timer/counter interface.

In this embodiment: the semiconductor element 2 and the I/O connection port 3 are provided to facilitate the assembly and connection of the semiconductor element 2 and to facilitate the connection of data signals to a printed wiring board.

Specifically, the upper side and the lower side of the substrate layer 101 are both provided with the conductive copper sheet 12, the conductive copper sheet 12 is parallel to the heat conduction layer 102, and the thickness of the conductive copper sheet 12 is smaller than that of the heat conduction layer 102.

In this embodiment: through the arrangement of the conductive copper sheet 12, the etching and wiring are facilitated, the purpose of electric conduction is achieved, and meanwhile, the heat is favorably led out.

Specifically, a plurality of through holes 13 are formed in the surface of the circuit board body 1, the through holes 13 are symmetrically distributed, and the bonding pad of the conductive copper sheet 12 is electrically connected with the through holes 13.

In this embodiment: through the setting of through-hole 13, the line of being convenient for printed wiring board gets into inside, and can play radiating effect.

The working principle is as follows: during the use, place circuit board body 1 in the use area, control locating piece 7 after that and to move to the on-line both sides, two inside reference columns 10 of movable tube 8 separate gradually this moment, and make compression spring 11 extend, after that, synchronous rotation locating piece 7, locating piece 7 drives movable tube 8 through compression spring 11 and rotates in the inside of sleeve pipe 6, until locating piece 7 rotates to the connecting piece position with printed wiring board looks adaptation, the elasticity of compression spring 11 can stimulate locating piece 7 and move in opposite directions, until locating piece 7 and connecting piece closely press from both sides tightly, and in the same way, adjust locating piece 7 in circuit board body 1 four corners in proper order, can accomplish the fixed in printed wiring board four corners, reach the purpose of quick installation printed wiring board, thereby can avoid using the bolt to cause the damage to the printed wiring board.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a medical instrument is with compound printed wiring board of multilayer, includes circuit board body (1), its characterized in that: the circuit board body (1) comprises a substrate layer (101), a heat conduction layer (102) and an outer surface layer (103), the heat conduction layer (102) is respectively positioned on the upper side and the lower side of the substrate layer (101), the outer surface layer (103) is fixedly connected to one side, away from the substrate layer (101), of the heat conduction layer (102), grooves (4) are formed in four corners of the circuit board body (1), mounting holes (5) are formed in the grooves (4), sleeves (6) are fixedly connected to the inside of the mounting holes (5), positioning blocks (7) are arranged on the upper side and the lower side of each sleeve (6), movable tubes (8) are rotatably connected to the inside of each sleeve (6), fixed plates (9) are fixedly connected to the inside of each movable tube (8), the fixed plates (9) are symmetrically arranged, and positioning columns (10) are arranged on the surface of each fixed plate (9) in a penetrating mode, one end of the positioning column (10) is fixedly connected with the positioning block (7), a compression spring (11) is sleeved on the outer side of the positioning column (10), and two ends of the compression spring (11) are fixedly connected with the fixing plate (9) and the positioning block (7) respectively.

2. The multilayer composite printed wiring board for medical devices according to claim 1, characterized in that: the circuit board comprises a circuit board body (1), wherein a semiconductor element (2) is fixedly connected to the middle of the top of the circuit board body (1), pins of the semiconductor element (2) are electrically connected with a conductive copper sheet (12), an I/O connection port (3) is fixedly connected to the right side of the top of the circuit board body (1), and the I/O connection port (3) comprises a parallel interface, a serial interface, a direct data transmission interface, an interrupt control interface and a timer/counter interface.

3. The multilayer composite printed wiring board for medical devices according to claim 1, characterized in that: the heat-conducting layer is characterized in that the substrate layer (101) is an epoxy resin plate, the heat-conducting layer (102) is an aluminum nitride layer, the thickness of the aluminum nitride layer is half of that of the substrate layer (101), and the outer surface layer (103) is a polypropylene resin layer.

4. The multilayer composite printed wiring board for medical devices according to claim 1, characterized in that: the upper side and the lower side of the base material layer (101) are both provided with conductive copper sheets (12), the conductive copper sheets (12) are parallel to the heat conduction layer (102), and the thickness of the conductive copper sheets (12) is smaller than that of the heat conduction layer (102).

5. The multilayer composite printed wiring board for medical devices according to claim 4, wherein: the surface of the circuit board body (1) is provided with a plurality of through holes (13), the through holes (13) are symmetrically distributed, and the bonding pad of the conductive copper sheet (12) is electrically connected with the through holes (13).

6. The multilayer composite printed wiring board for medical devices according to claim 1, characterized in that: the positioning blocks (7) are symmetrically arranged, and one opposite sides of the positioning blocks (7) are arc-shaped.