CN113747659A - Anti-warping structure of circuit board - Google Patents
Anti-warping structure of circuit board Download PDFInfo
- Publication number
- CN113747659A CN113747659A CN202111176058.8A CN202111176058A CN113747659A CN 113747659 A CN113747659 A CN 113747659A CN 202111176058 A CN202111176058 A CN 202111176058A CN 113747659 A CN113747659 A CN 113747659A
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- circuit board
- heat insulation
- board body
- ring
- thermal
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- 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
- H05K1/0271—Arrangements for reducing stress or warp in rigid printed circuit boards, e.g. caused by loads, vibrations or differences in thermal expansion
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- 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
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
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- 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
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
-
- 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
- H05K1/0272—Adaptations for fluid transport, e.g. channels, holes
-
- 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
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1401—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means
- H05K7/1402—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means for securing or extracting printed circuit boards
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a circuit board warping-proof structure which comprises a heat insulation box and a circuit board body, wherein a plurality of fixing mechanisms are arranged at the top of an inner cavity of the heat insulation box; the circuit board body is fixed by the plurality of fixing mechanisms, so that the circuit board body can be prevented from deforming and warping due to high temperature in the use process, the heat insulation box can play a heat insulation role, the circuit board body is prevented from warping due to heating in the use process in a high-temperature environment, the inner diameter of the sealing ring can be adjusted by the diameter adjusting element, the airtightness of the interior of the threading pipe is improved, the influence of external temperature on the circuit board body is reduced, the movement of the output end of the fixing mechanism is controlled by the diameter adjusting assembly, the output end of the fixing mechanism can be controlled to fix the circuit board body while the diameter is adjusted, the operation process is simplified, and the circuit board body is more convenient to use.
Description
Technical Field
The invention relates to the technical field of circuit boards, in particular to a circuit board warping-proof structure.
Background
The circuit board has the name: circuit board, PCB board, aluminium base board, high frequency board, PCB, ultra-thin circuit board, printed (copper etching technology) circuit board etc.. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout; with the rapid development of electronic technology, the requirements on electronic products are higher and higher, the functions are more and more, the integration level of chips is higher and higher, and the design requirements on circuit boards are higher and higher in contrast to the integration level of chips.
Chinese patent CN111465169A discloses an anti-warping PCB, which comprises a PCB, a ceramic heat sink, a first support plate, a second support plate, a third support plate, a fourth support plate, a bottom plate, a notch and a fixture block. According to the invention, the ceramic heat dissipation plate is attached to the bottom of the PCB, and the plurality of heat dissipation ports are formed in the bottom of the ceramic heat dissipation plate, so that the heat dissipation capability of the PCB can be effectively improved, and the condition that part of components are abnormally used due to overhigh heat in the operation process of the PCB is prevented; through set up a plurality of first backup pads, second backup pad, third backup pad and fourth backup pad between ceramic cooling plate and bottom plate, can effectually prevent that the PCB board from being heated or under some special environment, leading to the warpage's condition because of the change of PCB board internal stress to lead to PCB board surface components and parts to take place the deformation and lead to the bad contact condition because of the PCB board.
The circuit board is supported by the support plates, so that the circuit board is prevented from deforming, but the circuit board is still easily deformed and warped under the influence of high temperature in special high-temperature environments such as high-temperature equipment of steel plants, and the high-temperature resistance is poor.
Therefore, it is necessary to provide a circuit board anti-warping structure to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a circuit board anti-warping structure to solve the problem that the conventional circuit board in the background art is easily deformed and warped under the influence of high temperature.
In order to achieve the purpose, the invention provides the following technical scheme: a circuit board warping-proof structure comprises a heat insulation box and a circuit board body, wherein a plurality of fixing mechanisms are arranged at the top of an inner cavity of the heat insulation box, a supporting seat is fixedly arranged at the bottom of the inner cavity of the heat insulation box, a plurality of supporting mechanisms are fixedly arranged at the top end of the supporting seat, the circuit board body is arranged between the fixing mechanisms and the supporting mechanisms, one side of the heat insulation box is communicated with a threading pipe, a sealing ring is arranged in the threading pipe, a diameter adjusting assembly used for adjusting the inner diameter of the sealing ring is arranged on the threading pipe, a transmission assembly used for driving the output end of the fixing mechanism to move relative to the heat insulation box is arranged on the threading pipe, and the diameter adjusting assembly is in transmission connection with the transmission assembly; the lateral wall that the threading pipe was kept away from to thermal-insulated box is provided with the lid, the lid with thermal-insulated box block is connected.
When the wiring board is used, the box cover is opened, the circuit board body is placed between the fixing mechanism and the supporting mechanism, the circuit joint of the circuit board body penetrates through the sealing ring, then the inner diameter of the sealing ring is adjusted through the adjusting assembly, the inner wall of the sealing ring is tightly attached to the outer wall of the circuit interface of the circuit board body, meanwhile, when the inner diameter of the sealing ring is adjusted through the regulating assembly, the output end of the fixing mechanism can be driven to move towards the circuit board body through the transmission assembly, so that the circuit board body is fixed, the circuit board body is fixed through the plurality of fixing mechanisms, the circuit board body is prevented from deforming and warping due to high temperature in the using process, the heat insulation effect can be achieved through the heat insulation box, the circuit board body is prevented from being heated and warped in the using process under the high-temperature environment, the inner diameter of the sealing ring can be adjusted through the diameter adjusting element, and the airtightness inside the wiring board is improved, the influence of the external temperature on the circuit board body is reduced, the movement of the output end of the fixing mechanism is controlled through the diameter adjusting assembly, the output end of the fixing mechanism can be controlled to fix the circuit board body while the diameter is adjusted, the operation flow is simplified, and the circuit board fixing device is more convenient to use.
As a further scheme of the invention, the fixing mechanism comprises a heat insulation seat, the heat insulation seat is fixedly installed at the top of an inner cavity of the heat insulation box, a cylinder is fixedly installed at the bottom end of the heat insulation seat, a piston is slidably installed in the inner cavity of the cylinder, a connecting column is fixedly installed at the bottom end of the piston and penetrates through the bottom wall of the cylinder, and a pressing block is fixedly installed at the bottom end of the connecting column.
As a further scheme of the invention, a plurality of first grooves are formed at the top end of the circuit board body, heat insulation pads are fixedly arranged in the first grooves, and the pressing block presses on the heat insulation pads.
As a further scheme of the invention, the diameter adjusting assembly comprises an adjusting ring, the adjusting ring is sleeved on the threading pipe and is in threaded connection with the threading pipe, a plurality of connecting rods are fixedly connected to the side wall of the adjusting ring, which is far away from the heat insulation box, one ends of the connecting rods, which are far away from the adjusting ring, extend into the threading pipe, and the ends of the connecting rods are fixedly connected with a pushing ring, and the pushing ring is in contact with the sealing ring.
As a further scheme of the invention, the transmission assembly comprises a hollow cylinder, the hollow cylinder is arranged in an annular shape, the hollow cylinder is sleeved on the threading pipe, an annular piston is slidably mounted in the inner cavity of the threading pipe, the side wall of the annular piston, which is far away from the heat insulation box, is fixedly connected with a connecting ring, one end of the connecting ring, which is far away from the heat insulation box, is rotatably connected with the diameter adjusting ring, a flow dividing pipe is communicated with one end of the hollow cylinder, which is close to the heat insulation box, and is located in the heat insulation box, the flow dividing pipe is provided with a plurality of air delivery ports, and the plurality of air delivery ports are respectively communicated with the tops of the inner cavities of the plurality of cylinder barrels.
When the sealing device is used, the circuit board body is placed on the supporting mechanism and slides to the inside of the heat insulation box, the circuit joint of the circuit board body penetrates through the sealing ring, then the adjusting ring is rotated, the adjusting ring is in threaded connection with the threading pipe, so that the adjusting ring moves relative to the threading pipe when rotating, the adjusting ring moves towards the heat insulation box, the connecting rod is driven to move towards the heat insulation box, the connecting rod drives the pushing ring to move towards the heat insulation box, the sealing ring is compressed, the inner diameter of the compressed sealing ring is reduced, the inner wall of the sealing ring is tightly attached to the outer wall of the circuit joint of the circuit board body, a sealing effect is achieved, meanwhile, the connecting ring is driven to move towards the heat insulation box when moving towards the heat insulation box, the annular piston is driven to move towards the heat insulation box through the connecting ring, and gas in the cavity of the hollow cylinder is pressed into the shunt pipe when moving towards the heat insulation box, the sealing ring is conveyed into the cylinder barrel through the plurality of gas transmission ports, so that the piston is pushed to move downwards, the pressing block moves downwards through the connecting column, the pressing block enters the first groove, the circuit board is fixed, the circuit board body is difficult to deform and warp when being heated under the fixing action of the plurality of pressing blocks, meanwhile, under the action of the heat insulation pad, heat is difficult to transfer to the circuit board body through the fixing mechanism, so that the circuit board body is prevented from deforming due to overhigh temperature, when the circuit board body needs to be disassembled, the adjusting ring is rotated reversely, the adjusting ring moves towards the direction far away from the heat insulation box, the connecting rod drives the pushing ring to move towards the direction far away from the heat insulation box, so that the sealing ring is stretched under the action of self elasticity, the inner diameter of the sealing ring is increased, and meanwhile, when the adjusting ring moves towards the direction far away from the heat insulation box, the connecting ring drives the annular piston to move towards the direction far away from the heat insulation box through the connecting ring, annular piston passes through the shunt tubes during towards the direction removal of keeping away from thermal-insulated box in with the gas suction cavity section of thick bamboo of cylinder inner chamber to make piston rebound, drive the briquetting rebound through the spliced pole during piston rebound, thereby make the briquetting break away from out in first recess, then with circuit board body roll-off can, the process of dismantling the circuit board body is comparatively convenient, convenient to use.
As a further scheme of the invention, the supporting mechanism comprises a supporting seat, a supporting rod is fixedly installed at the top end of the supporting seat, an installation seat is fixedly installed at the top end of the supporting rod, a rotating ball is rotatably installed at the top end of the installation seat, and the rotating ball is rotatably connected with the installation seat through a rotating shaft.
As a further scheme of the invention, a second groove is formed in the bottom end of the circuit board body, a heat insulation groove is fixedly mounted in the second groove, the heat insulation groove is made of heat insulation materials, and the top of the rotary ball is arranged in the heat insulation groove.
As a further scheme of the invention, the rotating shaft is made of heat insulating materials, and the rotating ball is not in contact with the mounting seat.
During specific use, place the circuit board body on the roating ball during installation, make the top of roating ball be located the heat-proof tank to slide to thermal-insulated box in can, can play thermal-insulated effect through the heat-proof tank, prevent heat transfer to the circuit board body on the heat-insulated ball, because the pivot is made for thermal insulation material, make on the mount pad heat be difficult to transmit the roating ball through the pivot on, because the roating ball not with the mount pad contacts for heat on the mount pad can't direct transfer for the roating ball, reduced on the thermal-insulated box heat transmit the circuit board body through supporting seat and supporting mechanism.
As a further scheme of the invention, a cooling plate is fixedly installed at the bottom end of the circuit board body, the cooling plate is arranged in a hollow mode, a plurality of refrigerating pieces are arranged in the cooling plate, the type of the refrigerating pieces is TLT-TEC, the refrigerating pieces are electrically connected with an external power supply, and refrigerating liquid is filled in the cooling plate.
When specifically using, in order to avoid electronic component on the circuit board body to generate heat and lead to circuit board body high temperature, consequently set up the cooling plate, under the refrigeration effect of refrigeration piece, the refrigeration liquid temperature reduces to make the cooling plate temperature reduce, thereby absorb the heat that electronic component on the circuit board body gived off through the cooling plate, thereby cool down for the circuit board body.
The working principle is as follows: when the sealing ring is installed, the circuit board body is placed on the rotary ball, the top of the rotary ball is positioned in the heat insulation groove and slides into the heat insulation box, the circuit joint of the circuit board body penetrates through the sealing ring, then the adjusting ring is rotated, the adjusting ring is in threaded connection with the threading pipe, the adjusting ring moves relative to the threading pipe when rotating, the adjusting ring moves towards the heat insulation box, the connecting rod is driven to move towards the heat insulation box, the connecting rod drives the push ring to move towards the heat insulation box, the sealing ring is compressed, the inner diameter of the compressed sealing ring is reduced, the inner wall of the sealing ring is tightly attached to the outer wall of the circuit joint of the circuit board body, a sealing effect is achieved, meanwhile, the connecting ring is driven to move towards the heat insulation box when moving towards the heat insulation box by the adjusting ring, the annular piston is driven to move towards the heat insulation box by the connecting ring, and the gas in the inner cavity of the hollow cylinder is pressed into the shunt pipe when the annular piston moves towards the heat insulation box, the sealing ring is conveyed into the cylinder barrel through the plurality of gas transmission ports, so that the piston is pushed to move downwards, the pressing block moves downwards through the connecting column, the pressing block enters the first groove, the circuit board is fixed, the circuit board body is difficult to deform and warp when being heated under the fixing action of the plurality of pressing blocks, meanwhile, under the action of the heat insulation pad, heat is difficult to transfer to the circuit board body through the fixing mechanism, so that the circuit board body is prevented from deforming due to overhigh temperature, when the circuit board body needs to be disassembled, the adjusting ring is rotated reversely, the adjusting ring moves towards the direction far away from the heat insulation box, the connecting rod drives the pushing ring to move towards the direction far away from the heat insulation box, so that the sealing ring is stretched under the action of self elasticity, the inner diameter of the sealing ring is increased, and meanwhile, when the adjusting ring moves towards the direction far away from the heat insulation box, the connecting ring drives the annular piston to move towards the direction far away from the heat insulation box through the connecting ring, annular piston passes through the shunt tubes during towards the direction removal of keeping away from thermal-insulated box in with the gas suction cavity section of thick bamboo of cylinder inner chamber to make piston rebound, drive the briquetting rebound through the spliced pole during piston rebound, thereby make the briquetting break away from out in following first recess, then with circuit board body roll-off can.
According to the anti-warping structure of the circuit board, the circuit board body is fixed through the plurality of fixing mechanisms, the circuit board body can be prevented from deforming and warping due to high temperature in the using process, the heat insulation effect can be achieved through the heat insulation box, the circuit board body is prevented from being heated and warping when used in a high-temperature environment, the inner diameter of the sealing ring can be adjusted through the diameter adjusting element, accordingly, the airtightness of the interior of the threading pipe is improved, the influence of external temperature on the circuit board body is reduced, the movement of the output end of the fixing mechanism is controlled through the diameter adjusting assembly, the output end of the fixing mechanism can be controlled to fix the circuit board body while the diameter is adjusted, the operation process is simplified, and the use is more convenient.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is a schematic front sectional view of the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 3B;
FIG. 5 is a schematic side sectional view of the present invention;
FIG. 6 is a schematic cross-sectional view of the fastening mechanism of the present invention;
FIG. 7 is a schematic cross-sectional view of the support mechanism of the present invention;
FIG. 8 is a schematic cross-sectional view of the circuit board body according to the present invention;
FIG. 9 is an enlarged view of the structure of FIG. 8 at C;
fig. 10 is an enlarged schematic view of fig. 8 at D.
In the figure: 1. a heat insulation box; 2. a box cover; 3. a circuit board body; 4. a fixing mechanism; 401. a heat insulation seat; 402. a cylinder barrel; 403. a piston; 404. connecting columns; 405. briquetting; 5. a supporting seat; 6. a support mechanism; 601. a support bar; 602. a mounting seat; 603. a rotating shaft; 604. rotating the ball; 7. a threading tube; 8. a seal ring; 9. a hollow cylinder; 10. an annular piston; 11. a connecting ring; 12. an adjusting ring; 13. a connecting rod; 14. a shunt tube; 141. a gas transmission port; 15. a cooling plate; 16. a refrigeration plate; 17. a refrigerant fluid; 18. a heat insulating pad; 19. a heat insulation groove; 20. the ring is pushed.
Detailed Description
As shown in fig. 1 to 5, a circuit board warpage preventing structure comprises a heat insulation box 1 and a circuit board body 3, wherein a plurality of fixing mechanisms 4 are arranged at the top of an inner cavity of the heat insulation box 1, a supporting seat 5 is fixedly arranged at the bottom of the inner cavity of the heat insulation box 1, a plurality of supporting mechanisms 6 are fixedly arranged at the top end of the supporting seat 5, the circuit board body 3 is arranged between the fixing mechanisms 4 and the supporting mechanisms 6, one side of the heat insulation box 1 is communicated with a threading pipe 7, a sealing ring 8 is arranged in the threading pipe 7, the sealing ring 8 is made of rubber materials, a diameter adjusting assembly for adjusting the inner diameter of the sealing ring 8 is arranged on the threading pipe 7, a transmission assembly for driving the output end of the fixing mechanism 4 to move relative to the heat insulation box 1 is arranged on the threading pipe 7, and the diameter adjusting assembly is in transmission connection with the transmission assembly; the lateral wall of the heat insulation box 1 far away from the threading pipe 7 is provided with a box cover 2, and the box cover 2 is connected with the heat insulation box 1 in a clamping manner.
When the circuit board connector is used specifically, the box cover 2 is opened, the circuit board body 3 is placed between the fixing mechanism 4 and the supporting mechanism 6, the circuit connector of the circuit board body 3 penetrates through the sealing ring 8, and then the circuit connector is adjustedDiameter of a pipeThe inner diameter of the sealing ring 8 is adjusted by the assembly, so that the inner wall of the sealing ring 8 is tightly attached to the outer wall of the circuit interface of the circuit board body 3, and meanwhile, the menstruation is regulatedDiameter of a pipeWhen the internal diameter of the sealing ring 8 is adjusted by the component, the output end of the fixing mechanism 4 can be driven to move towards the circuit board body 3 through the transmission component, so that the circuit board body 3 is fixed, the circuit board body 3 is fixed through the arrangement of the plurality of fixing mechanisms 4, the circuit board body 3 can be prevented from deforming and warping due to high temperature influence in the use process, the heat insulation effect can be achieved through the heat insulation box 1, the situation that the circuit board body 3 is warped due to heating in the use process under the high-temperature environment is avoided, and the diameter adjusting element is used for adjusting the internal diameter of the sealing ringGroup ofThe internal diameter of an adjustable sealing ring 8 of piece to improve the inside seal of threading pipe 7, reduce ambient temperature to circuit board body 3's influence, the removal of 4 output ends of fixed establishment is controlled through transferring the footpath subassembly, can control 4 output ends of fixed establishment and fix circuit board body 3 when transferring the footpath, simplified operation flow, it is more convenient to use.
As shown in fig. 3 to 9, the fixing mechanism 4 includes a heat insulation seat 401, the heat insulation seat 401 is fixedly installed at the top of an inner cavity of the heat insulation box 1, a cylinder 402 is fixedly installed at the bottom end of the heat insulation seat 401, a piston 403 is slidably installed in the inner cavity of the cylinder 402, a connecting column 404 is fixedly installed at the bottom end of the piston 403, the connecting column 404 penetrates through the bottom wall of the cylinder 402, a pressing block 405 is fixedly installed at the bottom end of the connecting column 404, and the pressing block 405 is an output end of the fixing mechanism 4; a plurality of first grooves are formed in the top end of the circuit board body 3, heat insulation pads 18 are fixedly mounted in the first grooves, and the pressing block 405 presses on the heat insulation pads 18; the diameter adjusting assembly comprises an adjusting ring 12, the adjusting ring 12 is sleeved on the threading pipe 7, the adjusting ring 12 is in threaded connection with the threading pipe 7, the adjusting ring 12 is far away from a plurality of connecting rods 13 fixedly connected with the side walls of the heat insulation box 1, and the connecting rods 13 comprise two mutually parallel arranged connecting rodsCross bar and connecting two straightHorizontal barThe end parts of the vertical rods are fixedly connected, one transverse rod is longer than the other transverse rod, the vertical rods and the transverse rods are perpendicular to each other, the connecting rod 13 can slide left and right relative to the threading pipe 7, one end, far away from the adjusting ring 12, of the connecting rod 13 extends into the threading pipe 7, the end of the connecting rod is fixedly connected with the push ring 20, and the push ring 20 is in contact with the sealing ring 8; the transmission assembly includes a cavity section of thick bamboo 9, a cavity section of thick bamboo 9 sets up to the annular, a cavity 9 suit is in on the threading pipe 7, slidable mounting has annular piston 10 in the 7 inner chambers of threading pipe, the lateral wall fixedly connected with go-between 11 of thermal-insulated box 1 is kept away from to annular piston 10, go-between 11 keep away from thermal-insulated box 1 one end with transfer footpathNode (C)The ring rotates to be connected, the one end intercommunication that the hollow tube 9 is close to thermal-insulated box 1 is provided with shunt tubes 14, shunt tubes 14 are located in the thermal-insulated box 1, shunt tubes 14 are provided with a plurality of gas transmission ports 141, and is a plurality of gas transmission ports 141 are linked together with the top of a plurality of cylinder 402 inner chambers respectively.
When the thermal insulation box is used, the circuit board body 3 is placed on the supporting mechanism 6 and slides to the inside of the thermal insulation box 1, the circuit joint of the circuit board body 3 penetrates through the sealing ring 8, then the adjusting ring 12 is rotated, the adjusting ring 12 is in threaded connection with the threading pipe 7, the adjusting ring 12 moves relative to the threading pipe 7 when rotating, the adjusting ring 12 moves towards the thermal insulation box 1, the connecting rod 13 is driven to move towards the thermal insulation box 1, the connecting rod 13 drives the pushing ring 20 to move towards the thermal insulation box 1, the sealing ring 8 is compressed, the inner diameter of the sealing ring 8 is reduced after being pressed, the inner wall of the sealing ring 8 is tightly attached to the outer wall of the circuit joint of the circuit board body 3, the sealing effect is achieved, meanwhile, the adjusting ring 12 drives the connecting ring 11 to move towards the thermal insulation box 1 when moving towards the thermal insulation box 1, and the annular piston 10 is driven to move towards the thermal insulation box 1 through the connecting ring 11, when the annular piston 10 moves towards the heat insulation box 1, the gas in the inner cavity of the hollow cylinder 9 is pressed into the shunt tube 14 and is conveyed into the cylinder 402 through the plurality of gas transmission ports 141, so that the piston 403 is pushed to move downwards, the pressing block 405 moves downwards through the connecting column 404, the pressing block 405 enters the first groove, so that the circuit board is fixed, under the fixing action of the plurality of pressing blocks 405, the circuit board body 3 is difficult to deform and warp when being heated, meanwhile, under the action of the heat insulation pad 18, the heat is difficult to transfer to the circuit board body 3 through the fixing mechanism 4, so that the circuit board body 3 is prevented from deforming due to overhigh temperature, when the circuit board body 3 needs to be disassembled, the adjusting ring 12 is rotated reversely, the adjusting ring 12 moves towards the direction away from the heat insulation box 1, so that the connecting rod 13 drives the pushing ring 20 to move towards the direction away from the heat insulation box 1, and the sealing ring 8 stretches under the action of self elasticity, thereby make the internal diameter increase of sealing ring 8, simultaneously, the adjustable ring 12 drives annular piston 10 and removes towards the direction of keeping away from thermal-insulated box 1 through go-between 11 when moving towards the direction of keeping away from thermal-insulated box 1, annular piston 10 removes in the gas suction of cylinder 402 inner chamber through shunt tubes 14 during the direction of keeping away from thermal-insulated box 1 removes, thereby make piston 403 rebound, drive briquetting 405 rebound through spliced pole 404 during piston 403 rebound, thereby make briquetting 405 break away from out in the first recess, then with circuit board body 3 roll-off can, the process of dismantling circuit board body 3 is comparatively convenient, and convenient to use.
As shown in fig. 7 to 9, the supporting mechanism 6 includes a supporting base 5, the supporting base 5 is made of a heat insulating material, a supporting rod 601 is fixedly installed at a top end of the supporting base 5, an installation base 602 is fixedly installed at a top end of the supporting rod 601, a rotating ball 604 is rotatably installed at a top end of the installation base 602, and the rotating ball 604 is rotatably connected with the installation base 602 through a rotating shaft 603; a second groove is formed in the bottom end of the circuit board body 3, a heat insulation groove 19 is fixedly installed in the second groove, the heat insulation groove 19 is made of heat insulation materials, and the top of the rotating ball 604 is arranged in the heat insulation groove 19; the rotating shaft 603 is made of a heat insulating material, and the rotating ball 604 does not contact with the mounting seat 602.
During specific use, place circuit board body 3 on swivel ball 604 during the installation, make the top of swivel ball 604 be located the heat-proof slot 19, and slide to heat-proof box 1 in can, can play thermal-insulated effect through heat-proof slot 19, prevent on heat-proof ball transmits circuit board body 3, because pivot 603 is made for thermal insulation material, make the heat on mount pad 602 difficult to transmit to swivel ball 604 through pivot 603 on, because swivel ball 604 not with mount pad 602 contacts, make the heat on mount pad 602 unable direct transfer for swivel ball 604, reduced on the heat-proof box 1 heat transmitted circuit board body 3 through supporting seat 5 and supporting mechanism 6.
As shown in fig. 10, a cooling plate 15 is fixedly mounted at the bottom end of the circuit board body 3, the cooling plate 15 is hollow, a plurality of refrigeration pieces 16 are arranged in the cooling plate 15, the type of the refrigeration pieces 16 is TLT-TEC, the refrigeration pieces 16 are electrically connected with an external power supply, the cooling plate 15 is filled with a refrigeration liquid 17, and the refrigeration liquid 17 is preferably water.
During specific use, in order to avoid the electronic component on the circuit board body 3 from generating heat and lead to the circuit board body 3 high temperature, consequently set up cooling plate 15, under the refrigeration effect of refrigeration piece 16, the refrigerant 17 temperature reduces to make cooling plate 15 temperature reduce, thereby absorb the heat that the electronic component on the circuit board body 3 gived off through cooling plate 15, thereby cool down for circuit board body 3.
The working principle is as follows: when the circuit board is installed, the circuit board body 3 is placed on the rotary ball 604, the top of the rotary ball 604 is positioned in the heat insulation groove 19 and slides into the heat insulation box 1, the circuit joint of the circuit board body 3 passes through the sealing ring 8, then the adjusting ring 12 is rotated, because the adjusting ring 12 is in threaded connection with the threading pipe 7, the adjusting ring 12 moves relative to the threading pipe 7 when rotating, the adjusting ring 12 moves towards the heat insulation box 1, the connecting rod 13 is driven to move towards the heat insulation box 1, the connecting rod 13 drives the pushing ring 20 to move towards the heat insulation box 1, the sealing ring 8 is compressed, the inner diameter of the compressed sealing ring 8 is reduced, the inner wall of the sealing ring 8 is tightly attached to the outer wall of the circuit joint of the circuit board body 3, the sealing effect is achieved, meanwhile, the connecting ring 12 drives the connecting ring 11 to move towards the heat insulation box 1 when moving towards the heat insulation box 1, and the annular piston 10 is driven to move towards the heat insulation box 1 through the connecting ring 11, when the annular piston 10 moves towards the heat insulation box 1, the gas in the inner cavity of the hollow cylinder 9 is pressed into the shunt tube 14 and is conveyed into the cylinder 402 through the plurality of gas transmission ports 141, so that the piston 403 is pushed to move downwards, the pressing block 405 moves downwards through the connecting column 404, the pressing block 405 enters the first groove, so that the circuit board is fixed, under the fixing action of the plurality of pressing blocks 405, the circuit board body 3 is difficult to deform and warp when being heated, meanwhile, under the action of the heat insulation pad 18, the heat is difficult to transfer to the circuit board body 3 through the fixing mechanism 4, so that the circuit board body 3 is prevented from deforming due to overhigh temperature, when the circuit board body 3 needs to be disassembled, the adjusting ring 12 is rotated reversely, the adjusting ring 12 moves towards the direction away from the heat insulation box 1, so that the connecting rod 13 drives the pushing ring 20 to move towards the direction away from the heat insulation box 1, and the sealing ring 8 stretches under the action of self elasticity, thereby make the internal diameter increase of sealing ring 8, simultaneously, the adjusting ring 12 drives annular piston 10 towards the direction of keeping away from thermal-insulated box 1 through go-between 11 when moving towards the direction of keeping away from thermal-insulated box 1 and removes, annular piston 10 is in keeping away from the gas suction of thermal-insulated box 1 inner chamber of cylinder barrel 402 in the hollow cylinder 9 through shunt tubes 14 when moving towards the direction of keeping away from thermal-insulated box 1, thereby make piston 403 rebound, drive briquetting 405 rebound through spliced pole 404 when piston 403 rebound, thereby make briquetting 405 break away from out in the first recess, then with circuit board body 3 roll-off can.
Claims (8)
1. The utility model provides a crooked structure of proof warp of circuit board, includes thermal-insulated box and circuit board body, its characterized in that: the top of thermal-insulated box inner chamber is provided with a plurality of fixed establishment, the bottom fixed mounting of thermal-insulated box inner chamber has the supporting seat, the top fixed mounting of supporting seat has a plurality of supporting mechanism, the circuit board body sets up between fixed establishment and supporting mechanism, one side intercommunication of thermal-insulated box is provided with the threading pipe, the intraductal sealing ring that is provided with of threading, be provided with the accent footpath subassembly that is used for adjusting the sealing ring internal diameter on the threading pipe, be provided with the drive assembly that is used for driving the relative thermal-insulated box of fixed establishment's output and removes on the threading pipe, transfer footpath subassembly with the drive assembly transmission is connected.
2. The anti-warping structure of claim 1, wherein: the fixing mechanism comprises a heat insulation seat, the heat insulation seat is fixedly installed at the top of an inner cavity of the heat insulation box, a cylinder barrel is fixedly installed at the bottom end of the heat insulation seat, a piston is installed in the inner cavity of the cylinder barrel in a sliding mode, a connecting column is fixedly installed at the bottom end of the piston and penetrates through the bottom wall of the cylinder barrel, and a pressing block is fixedly installed at the bottom end of the connecting column.
3. The anti-warping structure of claim 2, wherein: a plurality of first recesses have been seted up on the top of circuit board body, fixed mounting has the heat insulating mattress in the first recess, the briquetting is pressed on the heat insulating mattress.
4. The anti-warping structure of claim 2, wherein: the transfer footpath subassembly includes the adjustable ring, the adjustable ring cover is established on the threading pipe, just the adjustable ring with threading pipe threaded connection, the lateral wall fixedly connected with a plurality of connecting rods of thermal-insulated box are kept away from to the adjustable ring, the one end that the adjustable ring was kept away from to the connecting rod extends to in the threading pipe, and this end fixedly connected with promotes the ring, promote the ring with the sealing ring contacts.
5. The anti-warping structure of claim 4, wherein: the transmission assembly comprises a hollow cylinder, the hollow cylinder is arranged to be annular, the hollow cylinder is sleeved on the threading pipe, an annular piston is slidably mounted in the inner cavity of the threading pipe, the annular piston is far away from a connecting ring fixedly connected with the side wall of the heat insulation box, one end of the heat insulation box is far away from the connecting ring, and the connecting ring is used for adjusting the position of the heat insulation boxRadial jointThe ring rotates to be connected, the one end intercommunication that the cavity section of thick bamboo is close to thermal-insulated box is provided with the shunt tubes, the shunt tubes is located in the thermal-insulated box, the shunt tubes is provided with a plurality of gas transmission ports, and is a plurality of the gas transmission port is linked together with the top of a plurality of cylinder inner chambers respectively.
6. The anti-warping structure of claim 1, wherein: the supporting mechanism comprises a supporting seat, a supporting rod is fixedly mounted at the top end of the supporting seat, a mounting seat is fixedly mounted at the top end of the supporting rod, a rotary ball is rotatably mounted at the top end of the mounting seat, and the rotary ball is rotatably connected with the mounting seat through a rotating shaft.
7. The anti-warping structure of claim 6, wherein: the circuit board comprises a circuit board body and is characterized in that a second groove is formed in the bottom end of the circuit board body, a heat insulation groove is fixedly mounted in the second groove, and the top of a rotating ball is arranged in the heat insulation groove.
8. The anti-warping structure of claim 1, wherein: the bottom fixed mounting of circuit board body has the cooling plate, the cooling plate is cavity setting, be provided with a plurality of refrigeration pieces in the cooling plate, the intussuseption of cooling plate is filled with the refrigeration liquid.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111176058.8A CN113747659B (en) | 2021-10-09 | 2021-10-09 | Anti-warping structure of circuit board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111176058.8A CN113747659B (en) | 2021-10-09 | 2021-10-09 | Anti-warping structure of circuit board |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02116549A (en) * | 1988-10-26 | 1990-05-01 | Matsushita Electric Works Ltd | Structure of cooling plate of warpage correcting device for printed wiring board |
| CN207869487U (en) * | 2017-12-27 | 2018-09-14 | 红板（江西）有限公司 | A kind of three sandwich circuit boards of warpage preventing |
| CN210274675U (en) * | 2019-06-10 | 2020-04-07 | 深圳捷多邦科技有限公司 | Composite circuit board |
| CN111970826A (en) * | 2020-07-23 | 2020-11-20 | 朱雷 | Polyimide film flexible circuit board feeding device, feeding method and automatic forming equipment |
| CN212970321U (en) * | 2020-09-27 | 2021-04-13 | 深圳市凯卓电路有限公司 | Single-sided circuit board with warp-proof function |
-
2021
- 2021-10-09 CN CN202111176058.8A patent/CN113747659B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02116549A (en) * | 1988-10-26 | 1990-05-01 | Matsushita Electric Works Ltd | Structure of cooling plate of warpage correcting device for printed wiring board |
| CN207869487U (en) * | 2017-12-27 | 2018-09-14 | 红板（江西）有限公司 | A kind of three sandwich circuit boards of warpage preventing |
| CN210274675U (en) * | 2019-06-10 | 2020-04-07 | 深圳捷多邦科技有限公司 | Composite circuit board |
| CN111970826A (en) * | 2020-07-23 | 2020-11-20 | 朱雷 | Polyimide film flexible circuit board feeding device, feeding method and automatic forming equipment |
| CN212970321U (en) * | 2020-09-27 | 2021-04-13 | 深圳市凯卓电路有限公司 | Single-sided circuit board with warp-proof function |
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| Publication number | Publication date |
|---|---|
| CN113747659B (en) | 2023-02-03 |
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