Fixed multilayer circuit board and use method thereof

Abstract

The invention discloses a fixed multilayer circuit board and a use method thereof, the fixed multilayer circuit board comprises a fixed frame and circuit board monomers, the inner wall of the fixed frame is provided with at least three slots, one side of the fixed frame is provided with a baffle plate, the baffle plate is plugged with the fixed frame, the center of the baffle plate is provided with a data interface, and the data interface is connected with the fixed frame. A button indicator light assembly is arranged above the fixing frame, a heat dissipation opening is formed in the back of the fixing frame, a fan is arranged in the heat dissipation opening and connected with the fixing frame through screws, a dustproof net is arranged in the heat dissipation opening and connected with the fixing frame into a whole, and the dustproof net is arranged on one side of the fan. Each layer of circuit board of the fixed multilayer circuit board is independently installed, the corresponding layer of circuit board can be correspondingly disassembled for replacement when the circuit board is replaced, and enough space is reserved between the upper layer of circuit board and the lower layer of circuit board for circuit connection, so that the use effect of the multilayer circuit board is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of circuit boards, and in particular to a fixed multilayer circuit board and a method for using the same. Background Art

[0002] Circuit boards are made by combining flexible circuit boards and rigid circuit boards through processes such as pressing and other processes according to relevant process requirements to form circuit boards with the characteristics of flexible circuit boards and rigid circuit boards. Multilayer printed circuits are the product of the development of electronic technology towards high speed, multi-function, large capacity and small size. With the continuous development of electronic technology, especially the extensive and in-depth application of large-scale and ultra-large-scale integrated circuits, multilayer printed circuits are rapidly developing towards high density, high precision and high-layer digitization, and technologies such as fine lines, small aperture penetrations, blind holes and buried holes, and high board thickness aperture ratio have emerged to meet market needs.

[0003] The Chinese patent publication number is CN216565722U, and the authorization announcement date is May 17, 2022. A fixed multi-layer circuit board includes a fixed frame, a fixed frame is movably embedded and installed inside the fixed frame, a circuit board is movably installed inside the fixed frame, clamps are movably installed on both sides of the circuit board, and a limit rod is movably installed in front of the fixed frame. Partitions are fixedly installed on both sides of the internal surface of the fixed frame, and the fixed frame is movably connected to the fixed frame through the partition. A slide groove is provided on the upper surface of the partition, and a slider is fixedly installed on the lower surface of the fixed frame near the rear surface. The slider is movably connected to the partition through the slide groove, and a support bar is fixedly installed on the inner surface of the fixed frame near the lower surface. The fixed multi-layer circuit board described in the utility model can remove a single layer for replacement when replacing the circuit board to avoid moving the multi-layer circuit boards at the same time, and can make the fixed frame suitable for fixing circuit boards of various sizes.

[0004] Existing multi-layer circuit boards are generally installed in a stacked manner. When replacing and repairing the circuit board on the lower layer, a single layer of the circuit board cannot be removed for replacement. The multi-layer circuit boards need to be moved at the same time, and they are prone to blocking each other when connecting lines, which reduces the use effect of the multi-layer circuit boards and cannot meet the use requirements. Summary of the invention

[0005] The object of the present invention is to provide a fixed multi-layer circuit board and a method for using the same, so as to solve the problem mentioned in the above background technology that the existing multi-layer circuit boards are generally installed in a stacked manner. When the circuit board on the lower layer is replaced and repaired, a single layer of the circuit board cannot be removed for replacement, and the multi-layer circuit boards need to be moved at the same time. When the circuits are connected, they are easily blocked from each other, which reduces the use effect of the multi-layer circuit board and cannot meet the use requirements.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a fixed multilayer circuit board, comprising a fixed frame and a circuit board monomer, a slot is arranged on the inner wall of the fixed frame, at least three slots are arranged, and the slots are arranged vertically equidistantly on the inner wall of the fixed frame, the cross-section of the slot is U-shaped, and the circuit board monomer is slidably connected to the fixed frame, a baffle is arranged on one side of the fixed frame, and the baffle is arranged corresponding to the slot, the baffle is plugged into the fixed frame, a data interface is arranged at the center of the baffle, and the data interface is connected to the baffle by screws, and the data interface is plugged into the circuit board monomer, a button indicator light assembly is arranged above the fixed frame, and the button indicator light assembly is connected to the fixed frame by screws, and the button indicator light assembly is electrically connected to the data interface, a heat dissipation port is arranged on the back of the fixed frame, a fan is arranged inside the heat dissipation port, and the fan is connected to the fixed frame by screws, a dustproof net is arranged inside the heat dissipation port, and the dustproof net is connected to the fixed frame as a whole, and the dustproof net is arranged on one side of the fan.

[0007] Preferably, L-shaped plug-ins are provided on both sides of the baffle, two L-shaped plug-ins are provided, and the L-shaped plug-ins are integrated with the baffle, connecting holes are provided on the L-shaped plug-ins, and protruding blocks are provided on both sides of the fixed frame, and the protruding blocks are fixedly connected to the fixed frame, the protruding blocks are arranged corresponding to the connecting holes, and the protruding blocks are clamped with the L-shaped plug-ins, and the front end surface of the protruding blocks is arranged in an arc shape.

[0008] Preferably, a first sponge block is provided at the bottom of the slot and is fixedly connected to the fixed frame, a second sponge block is provided on one side of both ends of the baffle, two second sponge blocks are provided, compression springs are provided between the two second sponge blocks and the baffle, and both ends of the compression springs are fixedly connected to the baffle and the second sponge block, respectively.

[0009] Preferably, balls are arranged on the inner wall of the slot, at least six balls are arranged, and the balls are arranged equidistantly along the direction of the slot, and the balls are rollingly connected to the fixing frame.

[0010] Preferably, a support bar is provided inside the fixing frame, and one end of the support bar is connected to the fixing frame by a screw, and the support bar is provided below one side of the slot.

[0011] Preferably, a temperature and humidity sensor is arranged above the fixed frame, and the temperature and humidity sensor is connected to the fixed frame by screws, the temperature and humidity sensor is connected to the fixed frame, a drying plate is arranged on the top of the fixed frame, and the drying plate is fitted and connected to the fixed frame.

[0012] Preferably, mounting plates are provided on both sides of the lower end of the fixed frame, two mounting plates are provided, and the mounting plates are welded to the fixed frame as a whole, mounting holes are provided at both ends of the two mounting plates, mounting bolts are provided above the mounting plates, and the mounting bolts and the mounting plates are slidably arranged, rubber pads are provided below the two mounting plates, and the rubber pads are fitted and connected to the mounting plates, and elastic gaskets are provided on the outside of the mounting bolts, and the elastic gaskets are slidably connected to the mounting bolts.

[0013] A method for using a fixed multilayer circuit board comprises the following steps:

[0014] Step 1: First align the two ends of the circuit board unit with the slots and insert them into the fixed frame, then align the two ends of the baffle with the slots and insert them, and connect the data interface with the button indicator assembly and the circuit board unit;

[0015] Step 2: Push the raised block into the connection hole and connect it with the L-shaped plug-in block, limit the connected baffle, and repeat the above steps to install the circuit board monomer in sequence;

[0016] Step 3: Use the mounting bolts to connect the mounting plate to the mounting carrier to achieve fixed multi-layer circuit board installation;

[0017] Step 4: The drying board absorbs the moisture in the fixed frame to ensure a dry operating environment for the multi-layer circuit board;

[0018] Step 5: The temperature and humidity sensor measures the temperature and humidity inside the fixed frame. When the temperature or humidity exceeds the standard, the fan is triggered. The fan speeds up the air circulation inside the fixed frame, and the moisture or heat inside the fixed frame is discharged with the flowing air, thereby reducing the temperature and humidity of the circuit board operating environment.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. The invention arranges the button indicator light assembly, baffle, data interface, support bar, L-shaped plug-in block, slot, protruding block and connection hole. The two ends of the circuit board unit are aligned with the slot and inserted into the fixed frame, the two ends of the baffle are aligned with the slot and inserted into the slot, the data interface is connected with the button indicator light assembly and the circuit board unit, the protruding block is pushed into the connection hole and connected with the L-shaped plug-in block, the connected baffle is limited, and the above steps are repeated to install the circuit board unit in sequence. The support bar supports the installed circuit board unit to prevent the circuit board unit from falling and bending after long-term use, so that multiple circuit board units are installed horizontally and parallelly, the L-shaped plug-in block is separated from the protruding block and the baffle is removed, which is convenient for disassembly and assembly of the circuit board unit;

[0021] 2. The invention adopts the arrangement of temperature and humidity sensors, fans and drying plates. The drying plates absorb the moisture in the fixed frame to ensure that the operating environment of the multi-layer circuit board is dry. The temperature and humidity sensors measure the temperature and humidity inside the fixed frame. When the temperature or humidity exceeds the standard, the fans are triggered to speed up the air circulation inside the fixed frame. The moisture or heat inside the fixed frame is discharged with the flowing air, thereby reducing the temperature and humidity of the operating environment of the circuit board.

[0022] 3. The invention arranges the first sponge block, the second sponge block and the compression spring. The compression spring applies a thrust to the second sponge block. Under the action of the thrust, the first sponge block and the second sponge block are in close contact with both sides of one end of the circuit board monomer, thereby clamping the installed circuit board monomer, improving the stability of the installed circuit board monomer, and enabling the installed circuit board monomer to have a buffering and shock absorbing function. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 This is a front view of the fixing frame of the present invention;

[0025] Figure 3 It is a rear view of the present invention;

[0026] Figure 4 is a cross-sectional view of the present invention;

[0027] Figure 5 A diagram showing the connection relationship between the circuit board unit and the fixing frame of the present invention;

[0028] Figure 6 This is a structural diagram of the connection between the L-shaped plug block and the baffle of the present invention;

[0029] Figure 7 For the present invention Figure 1 A partial enlarged view of area A;

[0030] Figure 8 For the present invention Figure 5 A partial enlarged view of area B.

[0031] In the figure: 1. fixing frame; 2. mounting plate; 3. rubber pad; 4. mounting bolt; 5. button indicator assembly; 6. temperature and humidity sensor; 7. baffle; 8. data interface; 9. support bar; 10. circuit board unit; 11. L-shaped plug-in block; 12. mounting hole; 13. slot; 14. ball bearing; 15. fan; 16. raised block; 17. heat dissipation port; 18. dustproof net; 19. elastic gasket; 20. drying plate; 21. first sponge block; 22. second sponge block; 23. connecting hole; 24. compression spring. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0033] See also Figure 1-8 An embodiment of the present invention is as follows: a fixed multilayer circuit board comprises a fixed frame 1 and a circuit board monomer 10, a slot 13 is arranged on the inner wall of the fixed frame 1, at least three slots 13 are arranged, and the slots 13 are arranged vertically equidistantly on the inner wall of the fixed frame 1, the cross section of the slot 13 is arranged in a U-shape, and the circuit board monomer 10 is slidably connected with the fixed frame 1, a baffle 7 is arranged on one side of the fixed frame 1, and the baffle 7 is arranged corresponding to the slot 13, the baffle 7 is plugged with the fixed frame 1, a data interface 8 is arranged at the center of the baffle 7, and the data interface 8 is connected to the baffle 7 by screws, and the data interface 8 is plugged with the circuit board monomer 10, a button indicator light assembly 5 is arranged above the fixed frame 1, and the button indicator light assembly 5 is connected to the fixed frame 1 by screws, and the button indicator light assembly Part 5 is electrically connected to the data interface 8, a heat dissipation port 17 is provided on the back of the fixed frame 1, a fan 15 is provided inside the heat dissipation port 17, and the fan 15 is connected to the fixed frame 1 by screws, a dustproof net 18 is provided inside the heat dissipation port 17, and the dustproof net 18 is connected to the fixed frame 1 as a whole, and the dustproof net 18 is arranged on one side of the fan 15, L-shaped plug-in blocks 11 are provided on both sides of the baffle 7, two L-shaped plug-in blocks 11 are provided, and the L-shaped plug-in blocks 11 are arranged as a whole with the baffle 7, and a connecting hole 23 is provided on the L-shaped plug-in block 11, protruding blocks 16 are provided on both sides of the fixed frame 1, and the protruding blocks 16 are fixedly connected to the fixed frame 1, the protruding blocks 16 are arranged corresponding to the connecting holes 23, and the protruding blocks 16 are snap-fitted with the L-shaped plug-in blocks 11, and the front end surface of the protruding blocks 16 is arranged in an arc shape.

[0034] When in use: align both ends of the circuit board monomer 10 with the slots 13 and insert them to connect with the fixed frame 1, align both ends of the baffle 7 with the slots 13 and insert them, connect the data interface 8 with the button indicator light assembly 5 and the circuit board monomer 10, push the protruding block 16 into the connecting hole 23 and connect with the L-shaped plug-in block 11, limit the connected baffle 7, repeat the above steps to install the circuit board monomer 10 in turn, and the fan 15 accelerates the air circulation inside the fixed frame 1, and discharges the moisture or heat inside the fixed frame 1 with the flowing air, thereby reducing the temperature and humidity of the operating environment of the circuit board.

[0035] See also Figure 5 , Figure 6 and Figure 8A first sponge block 21 is provided at the bottom of the slot 13, and the first sponge block 21 is fixedly connected to the fixed frame 1, and a second sponge block 22 is provided on one side of both ends of the baffle 7, and two second sponge blocks 22 are provided, and a compression spring 24 is provided between the two second sponge blocks 22 and the baffle 7, and the two ends of the compression spring 24 are respectively fixedly connected to the baffle 7 and the second sponge block 22, and the compression spring 24 applies a thrust to the second sponge block 22. Under the action of the thrust, the first sponge block 21 and the second sponge block 22 are in close contact with both sides of one end of the circuit board monomer 10, which plays a clamping role on the installed circuit board monomer 10, improves the stability of the installed circuit board monomer 10, and also enables the installed circuit board monomer 10 to have a buffering and shock absorbing function.

[0036] See also Figure 2 , Figure 4 and Figure 5 A ball bearing 14 is arranged on the inner wall of the slot 13, at least six ball bearings 14 are arranged, and the ball bearings 14 are arranged equidistantly along the direction of the slot 13, the ball bearings 14 are rollingly connected to the fixed frame 1, a support bar 9 is arranged inside the fixed frame 1, and one end of the support bar 9 is connected to the fixed frame 1 by a screw, and the support bar 9 is arranged below one side of the slot 13, the ball bearings 14 can reduce the sliding resistance between the circuit board monomer 10 and the fixed frame 1, and the support bar 9 supports the installed circuit board monomer 10 to prevent the circuit board monomer 10 from falling and bending after long-term use.

[0037] See also Figure 1 and Figure 4 A temperature and humidity sensor 6 is arranged above the fixed frame 1, and the temperature and humidity sensor 6 is connected to the fixed frame 1 by screws. The temperature and humidity sensor 6 is connected to the fixed frame 1. A drying plate 20 is arranged on the top of the fixed frame 1, and the drying plate 20 is closely connected to the fixed frame 1. The drying plate 20 absorbs the moisture in the fixed frame 1 to ensure that the operating environment of the multi-layer circuit board is dry. The temperature and humidity sensor 6 measures the internal temperature and humidity of the fixed frame 1, and triggers the fan 15 to cool down and reduce humidity when the temperature or humidity exceeds the standard.

[0038] See also Figure 1 , Figure 2 and Figure 3, mounting plates 2 are provided on both sides of the lower end of the fixed frame 1, two mounting plates 2 are provided, and the mounting plates 2 are welded to the fixed frame 1 as a whole, mounting holes 12 are provided at both ends of the two mounting plates 2, mounting bolts 4 are provided above the mounting plates 2, and the mounting bolts 4 and the mounting plates 2 are slidably arranged, rubber pads 3 are provided below the two mounting plates 2, and the rubber pads 3 are fitted and connected with the mounting plates 2, elastic gaskets 19 are provided outside the mounting bolts 4, and the elastic gaskets 19 are slidably connected with the mounting bolts 4, and the mounting bolts 4 are used to connect the mounting plates 2 with the mounting carrier to realize the installation of the fixed multi-layer circuit board, the rubber pads 3 and the elastic gaskets 19 themselves have elastic properties, and the fixed multi-layer circuit board is subjected to external forces during use, which plays a buffering role, thereby improving the operating stability of the fixed multi-layer circuit board.

[0039] A method for using a fixed multilayer circuit board comprises the following steps:

[0040] Step 1: first align the two ends of the circuit board monomer 10 with the slots 13 and insert it to connect with the fixing frame 1, then align the two ends of the baffle 7 with the slots 13 and insert it, and connect the data interface 8 with the button indicator assembly 5 and the circuit board monomer 10;

[0041] Step 2: The protruding block 16 is pushed into the connecting hole 23 to connect with the L-shaped plug block 11, and the connected baffle 7 is limited. Repeat the above steps to install the circuit board monomer 10 in sequence;

[0042] Step 3: Use the mounting bolts 4 to connect the mounting plate 2 to the mounting carrier to achieve fixed multi-layer circuit board installation;

[0043] Step 4: The drying plate 20 absorbs the moisture in the fixing frame 1 to ensure that the operating environment of the multilayer circuit board is dry;

[0044] Step 5: The temperature and humidity sensor 6 measures the temperature and humidity inside the fixed frame 1, and triggers the fan 15 when the temperature or humidity exceeds the standard. The fan 15 accelerates the air circulation inside the fixed frame 1, and discharges the moisture or heat inside the fixed frame 1 with the flowing air, thereby reducing the temperature and humidity of the circuit board operating environment.

[0045] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fixed multilayer circuit board, comprising a fixed frame (1) and a circuit board unit (10), characterized in that: The inner wall of the fixed frame (1) is provided with a slot (13), at least three slots (13) are provided, and the slots (13) are vertically equidistantly arranged on the inner wall of the fixed frame (1), the cross section of the slot (13) is U-shaped, and the circuit board monomer (10) is slidably connected to the fixed frame (1), a baffle (7) is provided on one side of the fixed frame (1), and the baffle (7) and the slot (13) are arranged correspondingly, the baffle (7) and the fixed frame (1) are plugged, a data interface (8) is provided at the center of the baffle (7), and the data interface (8) is connected to the baffle (7) by screws, and the data interface (8) is connected to the circuit board monomer (10) plug-in, a button indicator light assembly (5) is arranged above the fixing frame (1), and the button indicator light assembly (5) is connected to the fixing frame (1) by screws, the button indicator light assembly (5) is electrically connected to the data interface (8), a heat dissipation port (17) is arranged at the back of the fixing frame (1), a fan (15) is arranged inside the heat dissipation port (17), and the fan (15) is connected to the fixing frame (1) by screws, a dustproof net (18) is arranged inside the heat dissipation port (17), and the dustproof net (18) is connected to the fixing frame (1) as a whole, and the dustproof net (18) is arranged on one side of the fan (15).

2. A fixed multilayer circuit board according to claim 1, characterized in that: L-shaped plug blocks (11) are provided on both sides of the baffle (7), two L-shaped plug blocks (11) are provided, and the L-shaped plug blocks (11) and the baffle (7) are provided as a whole, and the L-shaped plug blocks (11) are provided with connection holes (23), and protruding blocks (16) are provided on both sides of the fixed frame (1), and the protruding blocks (16) are fixedly connected to the fixed frame (1), the protruding blocks (16) and the connection holes (23) are provided correspondingly, and the protruding blocks (16) are clamped with the L-shaped plug blocks (11), and the front end surface of the protruding blocks (16) is provided in an arc shape.

3. A fixed multilayer circuit board according to claim 2, characterized in that: A first sponge block (21) is arranged at the bottom of the slot (13), and the first sponge block (21) is fixedly connected to the fixed frame (1); a second sponge block (22) is arranged on one side of both ends of the baffle (7); two second sponge blocks (22) are arranged, and a compression spring (24) is arranged between the two second sponge blocks (22) and the baffle (7); and the two ends of the compression spring (24) are fixedly connected to the baffle (7) and the second sponge block (22), respectively.

4. A fixed multilayer circuit board according to claim 3, characterized in that: A ball bearing (14) is arranged on the inner wall of the slot (13), at least six balls (14) are arranged, and the balls (14) are arranged equidistantly along the direction of the slot (13), and the balls (14) are rollingly connected to the fixing frame (1).

5. A fixed multilayer circuit board according to claim 4, characterized in that: A support bar (9) is arranged inside the fixing frame (1), and one end of the support bar (9) is connected to the fixing frame (1) by means of screws. The support bar (9) is arranged below one side of the slot (13).

6. A fixed multilayer circuit board according to claim 5, characterized in that: A temperature and humidity sensor (6) is arranged above the fixing frame (1), and the temperature and humidity sensor (6) is connected to the fixing frame (1) via screws. The temperature and humidity sensor (6) is connected to the fixing frame (1). A drying plate (20) is arranged on the top of the fixing frame (1), and the drying plate (20) is connected to the fixing frame (1) in a close fit.

7. A fixed multilayer circuit board according to claim 6, characterized in that: Mounting plates (2) are provided on both sides of the lower end of the fixing frame (1), two mounting plates (2) are provided, and the mounting plates (2) and the fixing frame (1) are welded as a whole, mounting holes (12) are provided at both ends of the two mounting plates (2), mounting bolts (4) are provided above the mounting plates (2), and the mounting bolts (4) and the mounting plates (2) are slidably connected, rubber pads (3) are provided below the two mounting plates (2), and the rubber pads (3) are fitted and connected to the mounting plates (2), and elastic gaskets (19) are provided outside the mounting bolts (4), and the elastic gaskets (19) are slidably connected to the mounting bolts (4).

8. The method for using a fixed multilayer circuit board according to claim 7, characterized in that: The following steps are involved: Step 1: first align the two ends of the circuit board unit (10) with the slots (13) and insert them into the fixing frame (1) to connect them, then align the two ends of the baffle (7) with the slots (13) and insert them, and connect the data interface (8) with the button indicator light assembly (5) and the circuit board unit (10); Step 2: The protruding block (16) is pushed into the connecting hole (23) to connect with the L-shaped plug block (11), and the connected baffle (7) is limited. The above steps are repeated to install the circuit board monomer (10) in sequence; Step 3: Use the mounting bolts (4) to connect the mounting plate (2) to the mounting carrier to achieve fixed multi-layer circuit board installation; Step 4: The drying plate (20) absorbs the moisture in the fixing frame (1) to ensure that the operating environment of the multilayer circuit board is dry; Step 5: The temperature and humidity sensor (6) measures the temperature and humidity inside the fixed frame (1), and triggers the fan (15) when the temperature or humidity exceeds the standard. The fan (15) accelerates the air circulation inside the fixed frame (1), and discharges the moisture or heat inside the fixed frame (1) with the flowing air, thereby reducing the temperature and humidity of the operating environment of the circuit board.

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