CN220823363U

CN220823363U - Circuit board splicing structure

Info

Publication number: CN220823363U
Application number: CN202322542182.2U
Authority: CN
Inventors: 陈亮; 吴国华; 林志峰; 奉铁钢; 秦登虎; 苏杰
Original assignee: Yada Electronics Luoding Co ltd
Current assignee: Yada Electronics Luoding Co ltd
Priority date: 2023-09-18
Filing date: 2023-09-18
Publication date: 2024-04-19
Anticipated expiration: 2033-09-18

Abstract

The utility model provides a circuit board splicing structure, and belongs to the technical field of circuit boards. The circuit board mainly aims at the problem that the space utilization rate of the traditional circuit board is low due to the fact that the traditional circuit board adopts a whole structure. The technical scheme includes that the circuit board comprises a main circuit board, a plurality of groups of first slots are formed in the top of the main circuit board, first secondary board assemblies are arranged on the tops of the plurality of groups of first slots, two groups of second slots are further formed in the top of the main circuit board, and second secondary board assemblies are arranged on the two groups of second slots; the top of the main circuit board is fixedly connected with a transformer component. Through the setting of first secondary board subassembly and second secondary board subassembly, can be with first secondary circuit board and the vertical main circuit board top of inserting of second secondary circuit board, insert electronic component respectively on three boards simultaneously, compare traditional plane layout can optimize the space, realize more compact circuit layout, solved the problem that traditional circuit board space utilization is not enough.

Description

Circuit board splicing structure

Technical Field

The utility model belongs to the technical field of circuit boards, and particularly relates to a circuit board splicing structure.

Background

With the popularity of wearable electronics and smartphones, there is an increasing demand for portable charging devices. To meet this demand, the functions of various types of charging products are also being continuously enhanced, and the charging circuit structure is becoming more and more complex.

The utility model patent number 202321178306.7 of China provides a double-sided PCB circuit board, which is characterized in that the main circuit board is clamped between the upper outer frame and the lower outer frame through the arrangement of the main circuit board, the upper outer frame and the lower outer frame, and then a component is inserted on one side of the main circuit board close to the upper outer frame, and the other side is also inserted on the other side of the main circuit board; through the design of the plug-in components in the two sides of the circuit board, the heat dissipation area is increased, and the working stability is improved. However, the conventional circuit board mostly adopts a monolithic structure, and all modules are arranged on the same circuit board in a concentrated manner, so that the space of the circuit board is very limited, and the space utilization rate is low, which is not beneficial to design and development.

Disclosure of utility model

In order to solve the technical problems, the utility model provides a circuit board splicing structure, which solves the technical problems that in the prior art, the traditional circuit board adopts a monolithic structure, so that the space utilization rate is low.

The utility model discloses a circuit board splicing structure, which is characterized by comprising the following specific technical means:

The circuit board splicing structure comprises a main circuit board, wherein a plurality of groups of first slots are formed in the top of the main circuit board, a first secondary board assembly is arranged at the top of each group of first slots, two groups of second slots are formed in the top of the main circuit board, and a second secondary board assembly is arranged on each group of second slots; and the top of the main circuit board is fixedly connected with a transformer assembly.

According to a preferred embodiment, the first secondary board assembly includes a first secondary circuit board, a plurality of groups of first pins are disposed at the bottom of the first secondary circuit board and correspond to a plurality of groups of first slots, bonding pads are disposed on a plurality of groups of first slots, and a plurality of groups of first pins are fixedly connected with a plurality of groups of bonding pads respectively.

According to a preferred embodiment, the first secondary board assembly further comprises a resistor element, two groups of resistor element pins are respectively arranged at two ends of the resistor element, and one side, close to the main circuit board, of the first secondary circuit board is connected with four groups of resistor element pins.

According to a preferred embodiment, the second secondary board assembly includes a second secondary circuit board, two groups of second pins are disposed at the bottom of the second secondary circuit board and correspond to two groups of second slots, bonding pads are disposed on the two groups of second slots, and the two groups of second pins are fixedly connected with the two groups of bonding pads respectively.

According to a preferred embodiment, the second secondary board assembly further includes two sets of capacitors, two sets of capacitors are disposed on a side, close to the main circuit board, of the second secondary circuit board, and the two sets of capacitors are connected to the second secondary circuit board through two sets of pins respectively.

According to a preferred implementation mode, one side of the second secondary circuit board, which is far away from the main circuit board, is provided with a USB connector and a connector lug, the USB connector and the connector lug are respectively connected with the second secondary circuit board through pins, a plurality of groups of square holes are formed in the peripheral test of the USB connector and the connector lug, and clamping heads are arranged in the square holes.

According to a preferred embodiment, the transformer assembly comprises a lower shell and an upper shell, the top of the main circuit board is fixedly connected with the lower shell, the top of the lower shell is provided with the upper shell, the side, adjacent to the upper shell, of the lower shell is respectively provided with a placing groove, and the transformer element is clamped in the two groups of placing grooves.

According to a preferred embodiment, the transformer element is provided with a fixing hole, two groups of protrusions are arranged at the bottom of the placement groove and correspond to the fixing hole, the two groups of protrusions penetrate through the fixing hole, and a plurality of groups of pins are arranged on one side of the transformer element and connected with the main circuit board.

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

1. Through the arrangement of the first secondary circuit board, the second secondary circuit board and the main circuit board, when the circuit board is used, the use space of the circuit board is increased by vertically inserting the first secondary circuit board and the second secondary circuit board into the top of the main circuit board; meanwhile, a plurality of electronic elements can be inserted into the three boards in a three-dimensional distribution mode, the space utilization efficiency is improved, the three-dimensional circuit structure is achieved, the space can be optimized compared with the traditional plane layout, and the more compact circuit layout is achieved.

2. Through the arrangement of the first slot and the first pin, the first pin can be directly inserted into the first slot when the circuit board is assembled; the second pin can be directly inserted into the second slot through the arrangement of the second slot and the second pin, and the direct plugging mode ensures that the assembly process of the circuit board is quick and convenient; then welding the pins on the bonding pads in the slots to complete reliable electrical connection; the assembly efficiency of the circuit board is improved, and the circuit board is quite convenient to split and can be maintained conveniently.

Drawings

Fig. 1 is a schematic structural view of a circuit board splicing structure according to the present utility model;

FIG. 2 is an exploded view of a circuit board splice structure according to the present utility model;

FIG. 3 is a top view of a circuit board splice structure according to the present utility model;

Fig. 4 is an expanded view of a first secondary circuit board and a second secondary circuit board in a circuit board splicing structure according to the present utility model;

fig. 5 is a schematic diagram of a split transformer assembly in a circuit board splicing structure according to the present utility model;

fig. 6 is an enlarged schematic view of the region a in fig. 2.

In the figure, the correspondence between the component names and the drawing numbers is:

11. A main circuit board; 12. a first slot; 13. a second slot; 21. a first secondary circuit board; 22. a first pin; 23. a resistive element; 24. a resistor pin; 31. a second secondary wiring board; 32. a second pin; 33. a capacitor; 34. a USB connector; 35. a connector lug; 36. square holes; 37. a chuck; 41. a lower housing; 42. an upper housing; 43. a placement groove; 44. a voltage transformation element; 45. and a fixing hole.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," 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 utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

As shown in fig. 1 to 6: the utility model provides a circuit board splicing structure, which comprises a main circuit board 11, wherein a plurality of groups of first slots 12 and two groups of second slots 13 are formed in the top of the main circuit board 11, a first secondary board component is arranged on the plurality of groups of first slots 12, and a second secondary board component is arranged on the two groups of second slots 13. When maintenance is needed, the plates at all levels are simply pulled out and connected, so that the disassembly and replacement work is very convenient and quick. The design greatly improves the assembly efficiency of the circuit board and is more beneficial to the future maintenance work. The transformer assembly is fixedly connected to the top of the main circuit board 11.

Referring to fig. 2 and 4, the first secondary board assembly includes a first secondary circuit board 21, in order to achieve firm communication with the main circuit board 11, a plurality of groups of first pins 22 are disposed at the bottom of the first secondary circuit board 21 according to the plurality of groups of first slots 12, bonding pads capable of being firmly bonded are disposed on the top wall of the plurality of groups of first slots 12, and when assembling, the plurality of groups of first pins 22 are respectively fixedly connected with the corresponding bonding pads. It is possible to achieve a firm fixation of the first secondary wiring board 21 in the first slot 12 of the main wiring board 11. By vertically inserting the first secondary wiring board 21 to the top of the main wiring board 11, the three-dimensional space above the main wiring board 11 is effectively utilized, and the utilization efficiency of the space is improved.

Referring to fig. 2, the first secondary board assembly further includes a resistor 23, two sets of resistor pins 24 are respectively disposed at two ends of the resistor 23, and the two sets of resistor pins 24 are used for electrically connecting the resistor 23. One side of the first secondary circuit board 21, which is close to the main circuit board 11, is connected with four groups of resistor element pins 24; this avoids a monolithic layout in which the resistive element 23 is directly mounted on the main wiring board 11, realizes separation and modularization of circuits, simplifies wiring, and improves flexibility of the wiring board.

Referring to fig. 2 and fig. 4, the second secondary board assembly includes a second secondary circuit board 31, two sets of second pins 32 are disposed at the bottom of the second secondary circuit board 31 corresponding to two sets of second slots 13, pads are disposed on the two sets of second slots 13, and the two sets of second pins 32 are fixedly connected with the two sets of pads respectively. By vertically inserting the second secondary wiring board 31 to the top of the main wiring board 11, three-dimensionalization of the circuit structure is achieved, and a space can be optimized as compared with a conventional planar layout, and a more compact wiring layout is achieved.

Referring to fig. 2, the second secondary board assembly further includes two sets of capacitors 33 for implementing the capacitive function of the circuit. Two groups of capacitors 33 are arranged on one side of the second secondary circuit board 31, which is close to the main circuit board 11, and the two groups of capacitors 33 are respectively connected with the second secondary circuit board 31 through two groups of pins. The distribution also enables the wiring of the main circuit board 11 to be simpler, avoids wiring intersection, improves the space availability of the main board and improves the performance density of the circuit board.

Referring to fig. 2 and 6, two important external connection areas are specifically provided on the second secondary circuit board 31, namely, the first one is the USB connector 34; the USB connector 34 is electrically connected to the second secondary circuit board 31. The other is a lug 35; it uses similar circuit pins to realize the information transmission with the second secondary circuit board 31, and both external connection parts are arranged at a position far away from the main circuit board 11. Meanwhile, in order to stabilize the installation of the connecting wire, a plurality of groups of square holes 36 are arranged around the USB connector 34 and the connector lug 35, and clamping heads 37 are reserved in the square holes 36. Firm and reliable installation of the connecting wire can be realized through the clamping head 37.

Referring to fig. 2 and 5, the transformer assembly includes a lower case 41 and an upper case 42 for accommodating and protecting a transformer element 44. The top of the main circuit board 11 is fixedly connected with the lower housing 41. The top of the lower shell 41 is provided with an upper shell 42, one side of the lower shell 41 adjacent to the upper shell 42 is respectively provided with a placing groove 43 for placing a voltage transformation element 44, and the voltage transformation element 44 is flat and can be clamped in the two groups of placing grooves 43. For fixing the transformer 44, a fixing hole 45 is formed on the transformer. The bottoms of the two sets of placing grooves 43 are provided with protrusions corresponding to the fixing holes 45 to lock the positions of the transformer elements 44. The transformer 44 is also provided with a plurality of groups of pins on one side, and can be electrically connected with the main circuit board 11 through the pins.

Specific use and action of the embodiment: when the wiring board is assembled, the electronic elements on the three boards can be assembled firstly; the four groups of pins on the voltage transformation element 44 are fixedly connected to the main circuit board 11, and then the voltage transformation element 44 is placed in the placing groove 43 on the lower shell 41 and the upper shell 42 and buckled; the resistor element 23 is welded on the first secondary circuit board 21, two groups of capacitors 33 are welded on the second secondary circuit board 31, then a plurality of groups of first pins 22 at the bottom of the first secondary circuit board 21 are respectively inserted into a plurality of groups of first slots 12 at the top of the main circuit board 11, and two groups of second pins 32 at the bottom of the second secondary circuit board 31 are respectively inserted into two groups of second slots 13 at the top of the main circuit board 11, so that the direct plugging mode ensures that the assembly process of the circuit board is rapid and convenient; then welding the pins on the bonding pads in the slots to complete reliable electrical connection; the assembly efficiency of the circuit board is improved, and the circuit board is quite convenient to split and can be maintained conveniently. By vertically inserting the first secondary circuit board 21 and the second secondary circuit board 31 to the top of the main circuit board 11, the space for use of the circuit boards is increased; the three-dimensional circuit structure is formed, compared with the traditional plane layout, the space can be optimized, the more compact circuit layout is realized, the space utilization rate is improved, and the circuit board is miniaturized.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a circuit board mosaic structure, is including main circuit board (11), its characterized in that: a plurality of groups of first slots (12) are formed in the top of the main circuit board (11), a first secondary board assembly is arranged at the top of each group of first slots (12), two groups of second slots (13) are also formed in the top of the main circuit board (11), and second secondary board assemblies are arranged on the two groups of second slots (13); the top of the main circuit board (11) is fixedly connected with a transformer assembly.

2. The circuit board splicing structure as set forth in claim 1, wherein: the first secondary board assembly comprises a first secondary circuit board (21), a plurality of groups of first pins (22) are arranged at the bottom of the first secondary circuit board (21) corresponding to the plurality of groups of first slots (12), bonding pads are arranged on the plurality of groups of first slots (12), and the plurality of groups of first pins (22) are fixedly connected with the plurality of groups of bonding pads respectively.

3. The circuit board splicing structure as set forth in claim 2, wherein: the first secondary board assembly further comprises a resistor element (23), two groups of resistor element pins (24) are respectively arranged at two ends of the resistor element (23), and one side, close to the main circuit board (11), of the first secondary circuit board (21) is connected with four groups of resistor element pins (24).

4. The circuit board splicing structure as set forth in claim 1, wherein: the second secondary board assembly comprises a second secondary circuit board (31), two groups of second pins (32) are arranged at the bottom of the second secondary circuit board (31) corresponding to the two groups of second slots (13), bonding pads are arranged on the two groups of second slots (13), and the two groups of second pins (32) are fixedly connected with the two groups of bonding pads respectively.

5. The circuit board splicing structure according to claim 4, wherein: the second secondary board assembly further comprises two groups of capacitors (33), two groups of capacitors (33) are arranged on one side, close to the main circuit board (11), of the second secondary circuit board (31), and the two groups of capacitors (33) are connected with the second secondary circuit board (31) through two groups of pins respectively.

6. The circuit board splicing structure according to claim 5, wherein: one side of the second secondary circuit board (31) far away from the main circuit board (11) is provided with a USB connector (34) and a connector lug (35), the USB connector (34) and the connector lug (35) are respectively connected with the second secondary circuit board (31) through pins, a plurality of groups of square holes (36) are formed in the periphery of the USB connector (34) and the connector lug (35), and clamping heads (37) are arranged in the plurality of groups of square holes (36).

7. The circuit board splicing structure as set forth in claim 1, wherein: the transformer assembly comprises a lower shell (41) and an upper shell (42), the top of the main circuit board (11) is fixedly connected with the lower shell (41), the top of the lower shell (41) is provided with the upper shell (42), the lower shell (41) and one side adjacent to the upper shell (42) are respectively provided with a placing groove (43), and the transformer element (44) is clamped in the two placing grooves (43).

8. The circuit board splicing structure of claim 7, wherein: the transformer is characterized in that fixing holes (45) are formed in the transformer element (44), protrusions are arranged at the bottoms of the two groups of the placing grooves (43) corresponding to the fixing holes (45), the two groups of the protrusions penetrate through the fixing holes (45), and a plurality of groups of pins are arranged on one side of the transformer element (44) and connected with the main circuit board (11).