CN115361778A - Modularization concatenation PCBA subassembly and MCU main control board - Google Patents

Modularization concatenation PCBA subassembly and MCU main control board Download PDF

Info

Publication number
CN115361778A
CN115361778A CN202210986663.XA CN202210986663A CN115361778A CN 115361778 A CN115361778 A CN 115361778A CN 202210986663 A CN202210986663 A CN 202210986663A CN 115361778 A CN115361778 A CN 115361778A
Authority
CN
China
Prior art keywords
control board
main control
circuit board
mcu main
fixing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210986663.XA
Other languages
Chinese (zh)
Other versions
CN115361778B (en
Inventor
时蕾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changsha Zhaoxing Botuo Technology Co ltd
Original Assignee
Changsha Zhaoxing Botuo Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changsha Zhaoxing Botuo Technology Co ltd filed Critical Changsha Zhaoxing Botuo Technology Co ltd
Priority to CN202210986663.XA priority Critical patent/CN115361778B/en
Publication of CN115361778A publication Critical patent/CN115361778A/en
Application granted granted Critical
Publication of CN115361778B publication Critical patent/CN115361778B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/14—Structural association of two or more printed circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/73—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/14—Structural association of two or more printed circuits
    • H05K1/145—Arrangements wherein electric components are disposed between and simultaneously connected to two planar printed circuit boards, e.g. Cordwood modules
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Combinations Of Printed Boards (AREA)

Abstract

The application relates to a modularization concatenation PCBA subassembly and MCU main control board. This MCU main control board includes: the circuit board comprises a plurality of first interface modules, a power supply circuit, a plurality of second interface modules and an MCU (microprogrammed control unit) which is displayed on the circuit board; the plurality of first interface modules are used for being connected with third signal interfaces of the corresponding functional circuit boards, and the plurality of second interfaces are used for being connected with fourth signal interfaces of the corresponding functional circuit boards; the MCU main control board is also provided with a fixing component for fixing each functional circuit board and the MCU main control board when each functional circuit board is spliced with the MCU main control board. By the adoption of the method and the device, the utilization rate of the circuit board can be improved.

Description

Modularization concatenation PCBA subassembly and MCU main control board
Technical Field
The application relates to the technical field of electronics, especially relate to a modularization concatenation PCBA subassembly and MCU main control board.
Background
With the development of printed circuit board technology, the field of printed circuit board application is continuously expanded, and the functions of the printed circuit board are more and more powerful.
In the prior art, a plurality of circuits are usually fixed on a circuit board through steps of transfer printing, corrosion and the like. After any one element on the circuit board is damaged, the whole circuit board is generally required to be replaced, and other normal parts are discarded together, so that the utilization rate of the circuit board is increased.
Disclosure of Invention
Based on this, it is necessary to provide a modularized spliced PCBA assembly and an MCU main control board capable of improving circuit boards in order to solve the above technical problems.
In a first aspect, the present application provides an MCU master control board, the MCU master control board includes:
the circuit board comprises a plurality of first interface modules, a power supply circuit, a plurality of second interface modules and an MCU (microprogrammed control unit) which is displayed on the circuit board;
the plurality of first interface modules are used for being connected with third signal interfaces of the corresponding functional circuit boards, and the plurality of second interfaces are used for being connected with fourth signal interfaces of the corresponding functional circuit boards; the MCU main control board is also provided with a fixing component for fixing the functional circuit boards and the MCU main control board when the functional circuit boards are spliced with the MCU main control board.
In one embodiment, the circuit board is square, one or more of four corners of the circuit board has a space, the fixing component is arranged in the space, and the fixing component comprises a 7-shaped block with two mutually perpendicular edges.
In one embodiment, when the 7-shaped block is in a first state, two sides of the 7-shaped block are respectively parallel to one side of the circuit board; when the 7-shaped block is in a second state, one of two sides of the 7-shaped block is intersected with one side corresponding to the circuit board, and the other side is positioned in the space.
In one embodiment, the fixing component is arranged on a buckle at the edge of the circuit board.
In one embodiment, one of the first interface module and one of the second interface module form a pair of interface modules, and any pair of interface modules are adjacently disposed.
In a second aspect, the present application provides a modular spliced PCBA assembly, comprising:
the functional circuit board, the MCU main control board as described in the first aspect, and a substrate for placing the MCU main control board and the functional circuit board.
In one embodiment, the fixing plate has a plurality of fixing edges, and the fixing edges are used for enclosing a fixing space so as to fix the MCU main control board and the functional circuit boards in the fixing space.
In one embodiment, each fixing sideline is provided with a positioning groove and a positioning bolt, and the positioning groove on one fixing sideline is used for being matched with the positioning bolts on other fixing sidelines, so that the two fixing sidelines are relatively fixed.
In one embodiment, each of the fixing borderlines comprises a metal sheet and a magnet; the substrate is positioned between the metal sheet and the magnet.
In one embodiment, the base plate is further provided with a plurality of positioning holes and supporting columns movably inserted into the positioning holes, and the supporting heights of the supporting columns are the same.
Above-mentioned modularization concatenation PCBA subassembly and MCU main control board, the MCU main control board includes: the circuit board comprises a plurality of first interface modules, a power supply circuit, a plurality of second interface modules and an MCU (microprogrammed control unit) which is displayed on the circuit board; the plurality of first interface modules are used for being connected with third signal interfaces of the corresponding functional circuit boards, and the plurality of second interfaces are used for being connected with fourth signal interfaces of the corresponding functional circuit boards; the MCU main control board is also provided with a fixing component for fixing each functional circuit board and the MCU main control board when each functional circuit board is spliced with the MCU main control board. In this way, MCU main control board sets up a plurality of first interface modules that correspond with each pin of MCU in this application, and set up power supply circuit and a plurality of second interface module, so that other functional circuit boards can realize normal circular telegram and work through second interface and power connection, and MCU communication on first interface module and the MCU main control board, other functional circuit then can set up respectively on the different circuit boards, be connected with this MCU main control board again, even a certain functional circuit damages, only need to replace the functional circuit that damages can, need not to change all functional circuit and MCU main control board, establish the basis for the utilization ratio that promotes the circuit.
Drawings
FIG. 1 is a schematic structural diagram of an MCU main control board in a first embodiment;
fig. 2 is a schematic side structure diagram of an MCU main control board in the second embodiment;
FIG. 3 is a schematic structural diagram of an MCU main control board in the third embodiment;
FIG. 4 is an enlarged schematic view of a structure of one corner of the MCU master control board in one embodiment;
FIG. 5 is an enlarged schematic view of a corner of the MCU main control board in another embodiment;
FIG. 6 is a schematic side view of an MCU master control board in an embodiment;
FIG. 7 is a schematic structural diagram of an MCU master control board in the fourth embodiment;
FIG. 8 is a schematic structural diagram of a modular spliced PCBA assembly in the first embodiment;
FIG. 9 is a schematic structural diagram of a modular spliced PCBA component in the second embodiment;
FIG. 10 is a schematic structural diagram of a modular spliced PCBA component in the third embodiment;
FIG. 11 is a schematic view of a fixed border in one embodiment;
FIG. 12 is a side view of a modular split PCBA assembly in a fourth embodiment;
FIG. 13 is a schematic view of a substrate according to an embodiment;
fig. 14 is a schematic side view of a modular spliced PCBA assembly in a fifth embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In one embodiment, as shown in fig. 1, there is provided an MCU master control board, including:
a circuit board 100, a plurality of first interface modules 200, a power circuit 300, a plurality of second interface modules 400, and an MCU500 displayed on the circuit board;
the plurality of first interface modules 200 are used for connecting with third signal interfaces on corresponding functional circuit boards, and the plurality of second interfaces 400 are used for connecting with fourth signal interfaces on corresponding functional circuit boards; the MCU main control board is also provided with a fixing component for fixing each functional circuit board and the MCU main control board when each functional circuit board is spliced with the MCU main control board.
This embodiment is equivalent to mainly dividing the main control board into three parts: the signal part comprises an MCU500 and a plurality of first interface modules 200, the number of the first interface modules 200 is at least equal to the number of pins of the MCU500 minus 1, and each first interface module 200 is connected with one pin on the MCU 500.
The circuit part comprises a power supply circuit 300 and a plurality of second interface modules 400, wherein one output of the power supply circuit 300 is connected with a power supply pin of the MCU500, the number of the second interface modules 400 is at least equal to the number of pins of the power supply circuit 300 minus 1, each second interface module 400 is respectively connected with one pin on the power supply circuit 300, and the power supply circuit 300 is used for supplying power to the MCU500 and other functional circuits.
As an embodiment, as shown in fig. 1, the fixing component includes pins 610, where the pins 610 are used to be inserted into corresponding sockets on other circuit boards, so that the MCU main control board is detachably connected to other circuit boards, the number of the pins 610 is even, two pins 610 form a pair, any pair of pins 610 is located on the same side of the circuit board 100, and at this time, at least two sockets are provided on other functional circuit boards for the pins 610 to be inserted into.
As another embodiment, as shown in fig. 2, the fixing component may include a buckle 620, and at this time, a corresponding position on the other functional circuit board is provided with a card slot matched with the buckle 620, so as to realize that the MCU main control board is detachably connected to the other circuit board.
It is understood that the fixing assembly 600 may include at least one of a latch 610 and a catch 620.
As another example, as shown in fig. 3 and 4, the circuit board 100 is square, and the circuit board 100 of the specific implementation may have other shapes.
One or more of the four corners of the circuit board 100 has a space 110, a 7-shaped block 630 is disposed in each space 110, and the 7-shaped block 630 is located in the space 110. The 7-shaped block 630 has two sides perpendicular to each other. A rotation shaft 631 is provided at a right angle position of the 7-shaped block 630, and the 7-shaped block 630 can rotate in the space 110 using the rotation shaft 631 as a rotation shaft.
When the fixing assembly is in the first state, two sides of the 7-shaped block 630 are respectively parallel to or flush with one side of the circuit board 100, and only two sides of the 7-shaped block 630 need not extend out of the space 110, as shown in fig. 4, so that when the 7-shaped block 630 is not needed, the 7-shaped block 630 can be in the first state, and the MCU main control board is convenient to install.
When the 7-shaped block 630 is in the second state, one of two sides of the 7-shaped block 630 intersects with a corresponding side of the circuit board 100, and extends out of the space 110 to be able to cooperate with the jacks on other functional circuits, so as to detachably connect the MCU main control board with other functional circuits, and the other side is located in the space 110, as shown in fig. 5. It can be understood that, when the 7-shaped block 630 is in the second state, any one of two sides of the 7-shaped block 630 may be extended out of the space 110 according to requirements, and the functional circuit board may be located at a position corresponding to the MCU main control board according to requirements, which is convenient for installation.
As another embodiment, the fixing assembly further includes a 7-shaped block 630 as shown in fig. 5 and a buckle 620 as shown in fig. 2, as shown in fig. 6, so that the MCU main control board and other functional circuit boards are more secure.
Further, in order to facilitate connection with other functional circuit boards, as an embodiment, as shown in fig. 7, a first interface module 200 and a second interface module 400 form a pair of interface modules, and any pair of interface modules are disposed adjacently.
The MCU main control board comprises: the circuit board comprises a plurality of first interface modules, a power supply circuit, a plurality of second interface modules and an MCU (microprogrammed control unit) displayed on the circuit board; the plurality of first interface modules are used for being connected with third signal interfaces of the corresponding functional circuit boards, and the plurality of second interfaces are used for being connected with fourth signal interfaces of the corresponding functional circuit boards; the MCU main control board is also provided with a fixing component for fixing each functional circuit board and the MCU main control board when each functional circuit board is spliced with the MCU main control board. In this way, MCU main control board sets up a plurality of first interface modules that correspond with each pin of MCU in this application, and set up power supply circuit and a plurality of second interface module, so that other functional circuit boards can realize normal circular telegram and work through second interface and power connection, and MCU communication on first interface module and the MCU main control board, other functional circuit then can set up respectively on the different circuit boards, be connected with this MCU main control board again, even a certain functional circuit damages, only need to replace the functional circuit that damages can, need not to change all functional circuit and MCU main control board, establish the basis for the utilization ratio that promotes the circuit.
In one embodiment, as shown in fig. 8, there is provided a modular spliced PCBA assembly comprising:
the functional circuit board 800, the MCU main control board 810, and the substrate 820 for placing the MCU main control board 810 and the functional circuit board 800.
Wherein, MCU main control board 810 includes: a circuit board 100, a plurality of first interface modules 200, a power circuit 300, a plurality of second interface modules 400, and an MCU500 displayed on the circuit board;
a plurality of the first interface modules 200 are used for connecting with third signal interfaces on corresponding functional circuit boards, and a plurality of the second interfaces 400 are used for connecting with fourth signal interfaces on corresponding functional circuit boards; the MCU main control board is also provided with a fixing component for fixing the functional circuit boards and the MCU main control board when the functional circuit boards are spliced with the MCU main control board.
This embodiment is equivalent to mainly dividing the main control board into three parts: the signal part comprises an MCU500 and a plurality of first interface modules 200, the number of the first interface modules 200 is at least equal to the number of pins of the MCU500 minus 1, and each first interface module 200 is connected with one pin on the MCU 500.
The circuit part comprises a power supply circuit 300 and a plurality of second interface modules 400, wherein one output of the power supply circuit 300 is connected with a power supply pin of the MCU500, the number of the second interface modules 400 is at least equal to the number of pins of the power supply circuit 300 minus 1, each second interface module 400 is respectively connected with one pin on the power supply circuit 300, and the power supply circuit 300 is used for supplying power to the MCU500 and other functional circuits.
As an embodiment, as shown in fig. 1, the fixing component includes pins 610, where the pins 610 are used to be inserted into corresponding sockets on other circuit boards, so that the MCU main control board is detachably connected to other circuit boards, the number of the pins 610 is even, two pins 610 form a pair, any pair of pins 610 is located on the same side of the circuit board 100, and at this time, at least two sockets are provided on other functional circuit boards for the pins 610 to be inserted into.
As another embodiment, as shown in fig. 2, the fixing component may include a buckle 620, and at this time, a card slot matched with the buckle 620 is disposed at a corresponding position on the other functional circuit board, so that the MCU main control board is detachably connected to the other circuit board.
It is understood that the fixing assembly 600 may include at least one of a latch 610 and a catch 620.
As another example, as shown in fig. 3 and 4, the circuit board 100 is square, and the circuit board 100 may have other shapes.
One or more of four corners of the circuit board 100 has a space 110, a 7-shaped block 630 is disposed in each space 110, and the 7-shaped block 630 is disposed in the space 110. The 7-shaped block 630 has two sides perpendicular to each other. A rotation shaft 631 is provided at a right angle position of the 7-shaped block 630, and the 7-shaped block 630 can rotate in the space 110 with the rotation shaft 631 as a rotation shaft.
When the fixing assembly is in the first state, two sides of the 7-shaped block 630 are respectively parallel to or flush with one side of the circuit board 100, and only two sides of the 7-shaped block 630 need not extend out of the space 110, as shown in fig. 4, so that when the 7-shaped block 630 is not needed, the 7-shaped block 630 can be in the first state, and the MCU main control board is convenient to install.
When the 7-shaped block 630 is in the second state, one of two sides of the 7-shaped block 630 intersects with a corresponding side of the circuit board 100, and extends out of the space 110 to be capable of being matched with jacks on other functional circuits, so that the MCU main control board is detachably connected with the other functional circuits, and the other side is located in the space 110, as shown in fig. 5. It can be understood that when 7 font piece 630 is in the second state, can stretch out any one in two sides of 7 font piece 630 outside space 110 as required, just also can be as required with the position of the relative MCU main control board of function circuit board, easy to assemble.
As another embodiment, the fixing assembly further includes a 7-shaped block 630 as shown in fig. 5 and a buckle 620 as shown in fig. 2, as shown in fig. 6, so that the MCU main control board and other functional circuit boards are more firm.
Further, in order to facilitate connection with other functional circuit boards, as an embodiment, as shown in fig. 7, a first interface module 200 and a second interface module 400 form a pair of interface modules, and any pair of interface modules are disposed adjacently.
According to the above description, it can be known that the MCU board 810 is the MCU board according to any of the above embodiments.
In this embodiment, two functional circuit boards 800 are provided, the two functional circuit boards 800 are respectively located at the left and right sides of the MCU main control board 810, the left and right sides of the MCU main control board 810 are provided with a plurality of fixing components, and the fixing components may be a plug pin 610 as shown in fig. 7, or a 7-shaped block as shown in fig. 4 and 5. The functional circuit board 800 at least has a jack matching with the fixed component on the MCU main control board 810. The fixing component is matched with the jack, so that the functional circuit board 800 is detachably connected with the MCU main control board 810. In specific implementation, the functional circuit boards 800 may be located on the upper and lower sides of the MCU main control board 810 or on the left and upper sides, depending on the number of functional circuit boards.
After each functional circuit board 800 is detachably connected to the MCU main control board 810, the connected functional circuit board 800 and MCU main control board 810 are placed on the substrate 820. Further, for convenience of use, screw holes may be formed in the functional circuit board 800 and the MCU main control board 810, and a user may fix the connected functional circuit board 800 and the MCU main control board 810 on the substrate 820 through the screw holes by using screws.
Above-mentioned modularization concatenation PCBA subassembly includes: the functional circuit board, MCU main control board to and be used for putting the base plate of MCU main control board and functional circuit board. The MCU main control board includes: the circuit board comprises a plurality of first interface modules, a power supply circuit, a plurality of second interface modules and an MCU (microprogrammed control unit) which is displayed on the circuit board; the plurality of first interface modules are used for being connected with third signal interfaces of the corresponding functional circuit boards, and the plurality of second interfaces are used for being connected with fourth signal interfaces of the corresponding functional circuit boards; the MCU main control board is also provided with a fixing component for fixing the functional circuit boards and the MCU main control board when the functional circuit boards are spliced with the MCU main control board. In this way, the modularized splicing PCBA assembly in the application can be detachably connected with the MCU main control board through the functional circuit board, after any circuit board or the main control board is damaged, only the damaged part can be replaced, and the normal circuit board can be continuously used, so that the utilization rate is improved.
Further, the functional circuit board 800 may further have a 7-shaped block similar to that on the MCU main control board 810 and a space for accommodating the 7-shaped block, when the number of the functional circuit boards 800 is large, as shown in fig. 9, the second functional circuit board 802 and the third functional circuit board 803 are detachably connected to the MCU main control board 810, the first functional circuit board 801 is detachably connected to the second functional circuit board 802, the connection condition between the first functional circuit boards 801 and 802 is substantially the same as the connection condition between the second functional circuit board 802 and the MCU main control board 810, and details thereof are not repeated here.
Further, as shown in fig. 10, as an embodiment, the PCBA assembly further includes a plurality of fixing borders 830 (e.g., black lines in the figure), and the fixing borders 830 are used to enclose a fixing space, so as to fix the MCU main control board 810 and the functional circuit boards 800 in the fixing space.
As an embodiment, as shown in fig. 11, each fixing edge 830 has a positioning groove 831 and a positioning latch 832, the positioning groove 831 on one fixing edge 830 is used for cooperating with the positioning latches 832 on the other fixing edges 830, so that the two fixing edges 830 are relatively fixed, and the plurality of fixing edges 830 are mutually connected in an initial position, so as to form a fixing space, so as to fix the MCU main control board 810 and the functional circuit boards 800 in the fixing space.
As an example, as shown in fig. 12, the PCBA assembly further includes a magnet 840, and a metal piece 850 embedded in each of the fixing borders 830; the substrate 820 is positioned between the metal piece 850 and the magnet 840. Therefore, each fixing edge line 830 is fixed on the substrate 820 through the matching of the metal sheet 850 and the magnet 840, and the MCU main control board 810 and each functional circuit board 800 fixed by each fixing edge line 830 are fixed on the substrate 820.
As an embodiment, as shown in fig. 13 and 14, a plurality of positioning holes 823 and supporting posts 860 movably inserted into the positioning holes 823 are further disposed on the substrate 820, and the heights of the supporting posts 860 are the same. The plurality of support columns 860 are used to support the MCU main control board 810 and the functional circuit boards 800. Therefore, the MCU main control board 810 and the functional circuit boards 800 are located on the same plane, which is also beneficial to heat dissipation of the MCU main control board 810 and the functional circuit boards 800. It will be appreciated that each support post 860 may be inserted into any one of the positioning holes 823 as desired to support the corresponding MCU master control board 810 or functional circuit board 800.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims (10)

1. The MCU main control board is characterized by comprising:
the circuit board comprises a plurality of first interface modules, a power supply circuit, a plurality of second interface modules and an MCU (microprogrammed control unit) which is displayed on the circuit board;
the plurality of first interface modules are used for being connected with third signal interfaces of the corresponding functional circuit boards, and the plurality of second interfaces are used for being connected with fourth signal interfaces of the corresponding functional circuit boards; the MCU main control board is also provided with a fixing component for fixing each functional circuit board and the MCU main control board when each functional circuit board is spliced with the MCU main control board.
2. The MCU main control board of claim 1, wherein the circuit board is square, one or more of the four corners of the circuit board has a space, the fixing component is arranged in the space, and the fixing component comprises a 7-shaped block with two sides perpendicular to each other.
3. The MCU main control board according to claim 2, wherein when the 7-shaped block is in the first state, two sides of the 7-shaped block are respectively parallel to one side of the circuit board; when the 7-shaped block is in a second state, one of two sides of the 7-shaped block is intersected with one side corresponding to the circuit board, and the other side is positioned in the space.
4. The MCU master control board of any one of claims 1-3, wherein the fixation assembly further comprises a snap on an edge of the circuit board.
5. The MCU master control board of claim 1, wherein one of the first interface modules and one of the second interface modules constitute a pair of interface modules, and any pair of interface modules are disposed adjacently.
6. A modular spliced PCBA component, comprising:
the MCU master control board of any one of claims 1-5, and a substrate for placing the MCU master control board and the functional circuit board.
7. The PCBA assembly as claimed in claim 6, further comprising a plurality of fixing lines for enclosing a fixing space to fix the MCU master control board and each functional circuit board in the fixing space.
8. The PCBA assembly as claimed in claim 7, wherein each fixing edge has a locating slot and a locating pin, the locating slot of one fixing edge being adapted to co-operate with the locating pin of the other fixing edge to fix the two fixing edges relative to each other.
9. The PCBA assembly as recited in claim 7, further comprising a magnet, and a metal tab embedded within each of the securing border lines; the substrate is positioned between the metal sheet and the magnet.
10. A PCBA assembly as claimed in claim 6, in which the base plate is also provided with a plurality of locating holes, and support posts movably inserted into the locating holes, each at the same height.
CN202210986663.XA 2022-08-17 2022-08-17 Modular spliced PCBA assembly and MCU main control board Active CN115361778B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210986663.XA CN115361778B (en) 2022-08-17 2022-08-17 Modular spliced PCBA assembly and MCU main control board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210986663.XA CN115361778B (en) 2022-08-17 2022-08-17 Modular spliced PCBA assembly and MCU main control board

Publications (2)

Publication Number Publication Date
CN115361778A true CN115361778A (en) 2022-11-18
CN115361778B CN115361778B (en) 2023-07-21

Family

ID=84002483

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210986663.XA Active CN115361778B (en) 2022-08-17 2022-08-17 Modular spliced PCBA assembly and MCU main control board

Country Status (1)

Country Link
CN (1) CN115361778B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190320532A1 (en) * 2018-04-17 2019-10-17 Tri-Net Electronics Co., Ltd. Modular circuit board
CN110446340A (en) * 2018-05-06 2019-11-12 马春辉 Modular combination circuit board and its method for manufacturing
CN111182722A (en) * 2020-02-26 2020-05-19 王致刚 MCU application circuit board of modularization concatenation
CN217113148U (en) * 2022-01-20 2022-08-02 深圳凯晖电子科技有限公司 Side extension computer based on calculation module

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190320532A1 (en) * 2018-04-17 2019-10-17 Tri-Net Electronics Co., Ltd. Modular circuit board
CN110446340A (en) * 2018-05-06 2019-11-12 马春辉 Modular combination circuit board and its method for manufacturing
CN111182722A (en) * 2020-02-26 2020-05-19 王致刚 MCU application circuit board of modularization concatenation
CN217113148U (en) * 2022-01-20 2022-08-02 深圳凯晖电子科技有限公司 Side extension computer based on calculation module

Also Published As

Publication number Publication date
CN115361778B (en) 2023-07-21

Similar Documents

Publication Publication Date Title
US5203004A (en) Multi-board system having electronic keying and preventing power to improperly connected plug-in board with improperly configured diode connections
CN102263644A (en) Function expansion card and expansion device
CN115361778A (en) Modularization concatenation PCBA subassembly and MCU main control board
CN205103731U (en) UTCA system and transversely to picture peg constructional device thereof
CN101446935B (en) Structure of bus socket and expansion method thereof
CN201654605U (en) Computer host
CN2563890Y (en) Plug-in and-out device for fixing fan
CN215500111U (en) Novel fixed bolster of primary and secondary circuit board
CN210093673U (en) Foldable circuit board
CN205264262U (en) Panel display device
CN217085708U (en) Power supply adapter plate, computer module and computer equipment
CN201349081Y (en) Expansion card switching device
CN221010409U (en) Foldable flexible circuit board device and portable equipment circuit board mounting structure
CN215769625U (en) Reinforced computer backboard based on PC104
CN217701727U (en) Circuit board contact pin welding position frock
CN208402215U (en) A kind of combined mobile phone board
CN215499728U (en) High-precision multilayer PCB circuit board
CN208445840U (en) Electronic equipment mainboard processing base
CN219609558U (en) Conversion adjusting device suitable for multiple computer motherboard interfaces
CN213423808U (en) Notebook computer mainboard with power locking function
CN211529066U (en) Storage server and novel mounting structure of BMC integrated circuit board thereof
CN210466380U (en) Identity information recognition device based on block chain
CN216055330U (en) Female seat mounting structure of docking station
CN221575687U (en) Novel transparent PCB circuit board
CN214625825U (en) Assembled interim switch board

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant