CN210579470U - Circuit board assembly and vehicle-mounted electronic device - Google Patents
Circuit board assembly and vehicle-mounted electronic device Download PDFInfo
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- CN210579470U CN210579470U CN201921469052.8U CN201921469052U CN210579470U CN 210579470 U CN210579470 U CN 210579470U CN 201921469052 U CN201921469052 U CN 201921469052U CN 210579470 U CN210579470 U CN 210579470U
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Abstract
The utility model discloses a circuit board assembly subassembly and on-vehicle electron device, circuit board assembly subassembly includes first circuit board, second circuit board and support piece, be equipped with first grafting portion on the first circuit board, be equipped with second grafting portion on the second circuit board, work as first circuit board with when the second circuit board is pegged graft, first grafting portion with second grafting portion is fixed and makes first circuit board with the second circuit board is the contained angle and connects, support piece connect in first circuit board reaches on the second circuit board, and support first circuit board. Circuit board assembly connect firm and contact well.
Description
Technical Field
The utility model relates to a new energy automobile technical field especially relates to a circuit board assembly subassembly and on-vehicle electron device.
Background
A PCBA Board (Printed Circuit Board + Assembly) is a PCB (Printed Circuit Board) Board to which electronic components have been soldered and assembled. PCBA structure in electronic products in new energy automobile industry takes new energy automobile charger product as a representative. Because the volume of new forms of energy machine that charges is less, in order to reduce the volume of machine that charges, the formula PCBA board is inserted to the inside PCBA structure ubiquitous of machine that charges, and the formula PCBA board is inserted to current perpendicular being connected of formula PCBA board and mainboard PCBA easily pine or splitting, the contact failure appears easily.
SUMMERY OF THE UTILITY MODEL
The utility model provides a connect firm and good circuit board assembly subassembly of contact and on-vehicle electron device.
The utility model provides a circuit board assembly component, which comprises a first circuit board, a second circuit board and a support piece, wherein the first circuit board is provided with a first plug-in part, the second circuit board is provided with a second plug-in part,
when the first circuit board is connected with the second circuit board in an inserting mode, the first inserting portion and the second inserting portion are fixed, so that the first circuit board is connected with the second circuit board in an included angle, and the supporting piece is connected to the first circuit board and the second circuit board and supports the first circuit board.
In one embodiment, the second circuit board includes a circuit board and a fixed bottom board, the fixed bottom board is provided with a plurality of protruding columns on a surface thereof close to the circuit board, the plurality of protruding columns are arranged at intervals on a periphery of the surface of the fixed bottom board, the circuit board is provided with a plurality of mounting holes, each mounting hole corresponds to one of the protruding columns, and when the plurality of protruding columns are respectively matched and fixed with the plurality of mounting holes, a gap is formed between the circuit board and the fixed bottom board.
In one embodiment, the first insertion part includes an insertion pin penetrating the first circuit board, and the second insertion part includes an insertion hole on the circuit board, wherein the insertion pin is inserted into the insertion hole along a first direction to fix the first circuit board and the circuit board in a matching manner.
In one embodiment, the plug pins include first ends and second ends, when the first circuit board is plugged with the second circuit board, the first ends of the plug pins are fixedly connected with the first circuit board, and the second ends of the plug pins penetrate through the plug holes of the circuit boards and extend into the gaps.
In one embodiment, the circuit board includes a circuit board insertion region, the circuit board insertion region is provided with a plurality of insertion hole groups with different sizes, the number of the first circuit boards is multiple, the sizes and the numbers of the insertion pins of the plurality of first circuit boards are different from each other, each insertion hole group corresponds to one insertion pin of the first circuit board, and the correspondence includes correspondence between the size of the insertion hole group and the size of the insertion pin and correspondence between the number of the insertion hole and the number of the insertion pin.
In one embodiment, the supporting member includes a first side surface, a first supporting pin is disposed on the first side surface of the supporting member, a first through hole is disposed on the first circuit board in a penetrating manner, the first through hole allows the first supporting pin to be inserted along a second direction so that the supporting member and the first circuit board are fixed in a matching manner, wherein the second direction is different from the first direction.
In one embodiment, the supporting member includes a second side surface, the second side surface is connected to the first side surface, the second side surface is provided with a second supporting leg, a second through hole is formed in a position, close to the insertion hole, of the circuit board, and the second through hole allows the second supporting leg to be inserted in the first direction so that the supporting member is matched and fixed with the circuit board.
In one embodiment, after the first supporting leg of the supporting member is inserted into the first through hole of the first circuit board along the second direction and fixed with the first through hole, the first circuit board drives the supporting member to move together to approach the circuit board along the second direction, so that the insertion pin of the first circuit board is inserted into the insertion hole of the circuit board and fixed with the insertion hole, and meanwhile, the second supporting leg of the supporting member is inserted into the second through hole of the circuit board and fixed with the second through hole of the circuit board in a matching manner.
In one embodiment, the support is made of a metal material, and the thickness of the support is in the range of 0.3mm to 1.0 mm.
The utility model also provides an on-vehicle electron device, on-vehicle electron device includes the casing and circuit board assembly subassembly, circuit board assembly unit mount in the casing.
The utility model discloses a circuit board assembly subassembly realizes the communication function between first circuit board and the second circuit board through pegging graft first circuit board and second circuit board. And first circuit board and second circuit board are the contained angle and are connected, have reduced the required installation space of circuit board assembly spare greatly, are favorable to the miniaturization of on-vehicle electronic device. Meanwhile, the support piece is additionally arranged between the first circuit board and the second circuit board and is connected with the first circuit board and the second circuit board to support the first circuit board, so that the connection strength between the first circuit board and the second circuit board is enhanced, the problem of poor contact caused by loose connection or fracture in the mutual contact process of the first circuit board and the second circuit board is avoided, the first circuit board has high shock resistance, a better connection and fixation effect can be realized, and good contact between the circuit boards is ensured.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required for the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is an angle schematic diagram of a circuit board assembly provided by the present invention;
FIG. 2 is another perspective view of the circuit board assembly shown in FIG. 1, wherein the first circuit board is not connected to the second circuit board;
FIG. 3 is a schematic view of the connection of a first circuit board to a second circuit board of the circuit board assembly shown in FIG. 2;
FIG. 4 is an I-th partial schematic view of the circuit board assembly shown in FIG. 1;
FIG. 5 is a schematic view of a support member of the circuit board assembly shown in FIG. 1;
FIG. 6 is a schematic view of another embodiment of a support member of the circuit board assembly shown in FIG. 1;
fig. 7 is a schematic view of still another embodiment of a support member of the circuit board assembly shown in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a vehicle-mounted electronic device (not shown), vehicle-mounted electronic device includes casing and circuit board assembly subassembly. The circuit board assembly mounted in the housing serves as a core component for realizing specific functions of the in-vehicle electronic device, and determines the service life, operating speed, reliability and stability of the in-vehicle electronic device. In the embodiment of the application, the vehicle-mounted electronic device is a vehicle-mounted charger.
Referring to fig. 1-5, the circuit board assembly 100 includes a first circuit board 10, a second circuit board 20 and a supporting member 30, wherein the first circuit board 10 is provided with a first plugging portion (not shown), the second circuit board 20 is provided with a second plugging portion (not shown),
when the first circuit board 10 is plugged with the second circuit board 20, the first plugging portion and the second plugging portion are fixed to form an included angle between the first circuit board 10 and the second circuit board 20, and the supporting member 30 is connected to the first circuit board 10 and the second circuit board 20 and supports the first circuit board 10.
It should be noted that the first Circuit Board 10 and the second Circuit Board 20 are PCB (Printed Circuit Board) boards formed by mounting PCB (Printed Circuit Board) blanks by SMT (Surface Mount Technology) and then by DIP (dual in-line Package) packages, and in short, are PCB boards with electronic components soldered and assembled. The element may be, but is not limited to, a resistor, a capacitor, a light emitting diode, or a transistor.
The first circuit board 10 and the second circuit board 20 are connected by plugging, so that the communication function between the first circuit board 10 and the second circuit board 20 is realized. The first circuit board 10 and the second circuit board 20 are connected at an included angle, so that the installation space required by the circuit board assembly 100 is greatly reduced, and the miniaturization of the vehicle-mounted electronic device is facilitated. Meanwhile, the supporting member 30 is additionally arranged between the first circuit board 10 and the second circuit board 20, and the supporting member 30 is connected with the first circuit board 10 and the second circuit board 20 to support the first circuit board 10, so that the connection strength between the first circuit board 10 and the second circuit board 20 is enhanced, the problem of poor contact caused by connection loosening or fracture in the mutual contact process of the first circuit board 10 and the second circuit board 20 is avoided, the first circuit board 10 has high shock resistance, a better connection fixing effect can be realized, and good contact between the circuit boards is ensured.
The second circuit board 20 includes a circuit board 21 and a fixing base plate 22 which are stacked, a plurality of convex columns 23 are arranged on the surface of the fixing base plate 22 close to the circuit board 21, the plurality of convex columns 23 are arranged at intervals on the periphery of the surface of the fixing base plate 22, a plurality of mounting holes 211 are arranged on the circuit board 21, each mounting hole 211 corresponds to one convex column 23, and when the plurality of convex columns 23 are respectively matched and fixed with the plurality of mounting holes 211, a gap 24 is formed between the circuit board 21 and the fixing base plate 22. In this embodiment, the protruding pillar 23 and the fixed base plate 22 are integrally formed.
The circuit board 21 serves on the one hand to enable a communication connection with the first circuit board 10 and on the other hand also to carry and electrically connect electronic components. The fixing bottom plate 22 bears the circuit board 21 and provides stable support for the circuit board 21, and a gap 24 formed between the fixing bottom plate and the circuit board 21 is used for providing an accommodating space for the free ends of the pins of the circuit board 21 exposed by the electronic element and the first circuit board 10 when the electronic element and the first circuit board 10 are inserted into the circuit board 21, so that the free ends of the pins are protected from collision, the problems of connection loosening or poor contact caused by bending and breaking of the free ends of the pins due to direct exposure in an unprotected environment are avoided, and the reliability and stability of connection are ensured.
Further, the size of the mounting hole 211 of the circuit board 21 corresponds to the size of the stud 23 to be plugged. Therefore, each mounting hole 211 can correspond to the size of the corresponding convex column 23, and the connection strength between the circuit board 21 and the fixed bottom plate 22 is further improved. The second circuit board 20 further includes a positioning pin 25, the positioning pin 25 is located around the circuit board 21, a positioning hole 231 is disposed on the protruding pillar 23, and the positioning hole 231 is located at an end of the protruding pillar 23 away from the circuit board 21. When the convex columns 23 are inserted into the corresponding mounting holes 211, the positioning pins 25 are inserted to fix the circuit board 21 on the fixed base plate 22, so as to improve the connection stability between the circuit board 21 and the fixed base plate 22. In one embodiment, the mounting holes 211 are threaded holes and the alignment pins 25 are bolts.
In this embodiment, the first plugging portion includes a plugging pin 11 disposed on the first circuit board 10, the second plugging portion includes a plugging hole 212 disposed on the circuit board 21, and the plugging hole 212 is used for allowing the plugging pin 11 to be plugged in a first direction so as to fix the first circuit board 10 and the circuit board 21 in a matching manner. Specifically, the socket pins 11 are integrally formed with the first circuit board 10. The plugging hole 212 is a soldering hole, and when the plugging pin 11 is inserted into the plugging hole 212 along the first direction, the plugging pin 11 is soldered into the plugging hole 212 by a soldering method to fix the first circuit board 10 and the circuit board 21, thereby realizing communication between the first circuit board 10 and the circuit board 21. The first direction is a direction perpendicular to the surface of the circuit board 21 away from the fixing base plate 22, so that the first circuit board 10 can be connected to the circuit board 21 perpendicularly. In other embodiments, the plug pins 11 of the first circuit board 10 and the plug holes 212 of the circuit board 21 may be fixed by other embodiments such as an adhesive, but not limited thereto.
Further, the plug pins 11 include first ends (not shown) and second ends, when the first circuit board 10 is plugged with the second circuit board 20, the first ends of the plug pins 11 are fixedly connected with the first circuit board 10, and the second ends of the plug pins 11 pass through the plug holes 212 of the circuit board 21 and extend into the gaps 24. The first end of the plug pin 11 is fixedly connected to the first circuit board 10, so that the plug pin 11 can electrically connect the first circuit board 10 to the circuit board 21 of the second circuit board 20 when the first circuit board 10 is plugged into the circuit board 21. The second end of the plug pin 11 can extend into the gap 24 formed by the circuit board 21 and the fixing bottom plate 22 when the plug pin 11 is inserted into the plug hole 212, so that the second end of the plug pin 11 is always positioned in the protection of the gap 24, the problem of connection interruption or poor contact between the first circuit board 10 and the circuit board 21 caused by bending, breaking and loosening of the plug pin 11 due to external impact can be avoided, and the reliability and stability of connection can be ensured
Further, the circuit board 21 includes a circuit board insertion region 213, the circuit board insertion region 213 is provided with a plurality of insertion hole sets (not shown) with different sizes, the number of the first circuit boards 10 is plural, and the sizes and the numbers of the insertion pins 11 of the plurality of first circuit boards 10 are different from each other, each insertion hole set corresponds to one insertion pin 11 of the first circuit board 10, wherein, the correspondence between the size of the insertion hole 212 corresponding to the insertion hole set and the size of the insertion pin 11 and the correspondence between the number of the insertion holes 212 and the number of the insertion pins 11 correspond to each other.
It can be understood that, since the number of the first circuit boards 10 is plural, and the sizes and the numbers of the plugging pins 11 of the plural first circuit boards 10 are different from each other, in order to enable the plugging pin 11 of each circuit assembly board to be plugged with the corresponding plugging hole 212 on the circuit board 21 to realize communication, plural plugging hole groups are disposed in the circuit board plugging region 213, each plugging hole group corresponds to one plugging pin 11 of the first circuit board 10, that is, the number of the plugging holes 212 in the plugging hole group is the same as the number of the corresponding plugging pins 11 on the first circuit board 10, and the size of the plugging hole 212 in the plugging hole group is the same as the size of the corresponding plugging pin 11 on the first circuit board 10.
In a specific implementation scenario, the large-sized plug pins 11 cannot pass through the small-sized plug holes 212 to fix the first circuit board 10 on the circuit board 21, and the small-sized plug pins 11 cannot fit into the large-sized plug holes 212 when inserted into the large-sized plug holes 212. Therefore, each plugging hole group can correspond to the plugging pin 11 of a specific first circuit board 10, so that the first circuit boards 10 of other specifications can be prevented from being plugged by an employee by mistake.
In this embodiment, the supporting member 30 is triangular, and includes a first side surface 301 and a second side surface 302, and the first side surface 301 and the second side surface 302 are connected to each other and form two connecting right-angle surfaces of the supporting member 30. The first side surface 301 of the supporting member 30 is provided with a first supporting pin 31, and the first circuit board 10 is provided with a first through hole (not shown) through which the first supporting pin 31 is inserted along a second direction, which is different from the first direction, so that the supporting member 30 is fixed to the first circuit board 10.
Specifically, the first supporting leg 31 is integrally formed with the supporting member 30. The first through hole is a through-soldering hole, and when the first supporting pin 31 is inserted into the first through hole along the second direction, the first supporting pin 31 is soldered into the first through hole by soldering, so that the supporting member 30 is fixed to the first circuit board 10. The second direction is perpendicular to the surface of the first circuit board 10, and the second direction is perpendicular to the first direction, so that the first side 301 of the supporting member 30 can be perpendicularly connected to the surface of the first circuit board 10. In other embodiments, the first supporting leg 31 of the supporting member 30 may be fixed to the first through hole of the first circuit board 10 by other embodiments such as an adhesive, and the like, which is not limited thereto.
The second side 302 of the supporting member 30 is provided with a second supporting foot 32, and a second through hole (not shown) is provided on the circuit board 21 near the inserting hole 212, and the second through hole is used for inserting the second supporting foot 32 along the first direction so as to fix the supporting member 30 and the circuit board 21 in a matching manner.
Specifically, second support foot 32 is integrally formed with support 30. The second through hole is a through-soldering hole, and when the second support leg 32 is inserted into the second through hole along the first direction, the second support leg 32 is soldered into the second through hole in a soldering manner so as to fix the support member 30 with the circuit board 21 of the second circuit board 20, so that the second side surface 302 of the support member 30 can be vertically connected with the surface of the circuit board 21 away from the fixing base plate 22. In other embodiments, the second supporting leg 32 of the supporting member 30 and the second through hole of the circuit board 21 of the second circuit board 20 may be fixed by other embodiments such as an adhesive, and the like, which is not limited thereto.
In this embodiment, the supporting member 30 is made of a metal material, and the thickness of the supporting member 30 is in the range of 0.3mm to 1.0 mm. The supporting member 30 is used to support the first circuit board 10 when the first circuit board 10 and the second circuit board 20 are fixed, so that the anti-seismic performance of the first circuit board 10 is improved, and the problem of poor contact caused by loose connection or breakage of the first circuit board 10 in the process of mutual contact of the second circuit board 20 is avoided. Compared with the traditional dispensing reinforcement process, the dispensing reinforcement process has the advantages that the maintenance is inconvenient, the dispensing amount is difficult to control, and the glue drying is slow, so that the effect of enhancing the connection between the first circuit board 10 and the second circuit board 20 is achieved, the maintainability can be improved, and the production benefit is effectively provided.
In this embodiment, the cross-sectional shape of the supporting member 30 is a triangle. However, in other embodiments, as shown in fig. 6 to 7, the cross-sectional shape of the supporting member 30 may be a rectangle, a quarter circle, or an irregular shape as long as the first circuit board 10 can be connected to the circuit board 21 of the second circuit board 20, and the volume of the supporting member 30 is not limited, and may be a large volume that can provide more stable support, or a small volume that can ensure the connection strength.
It should be understood that, in the assembly process of the circuit boards 21 of the first circuit board 10 and the second circuit board 20, after the first supporting leg 31 of the supporting member 30 is inserted into the first through hole and the first through hole of the first circuit board 10 along the second direction and fixed, the first circuit board 10 drives the supporting member 30 to move together to approach the circuit board 21 along the second direction, so that the inserting pin 11 of the first circuit board 10 is inserted into the inserting hole 212 and fixed with the inserting hole 212 of the circuit board 21, and at the same time, the second supporting leg 32 of the supporting member 30 is inserted into the second through hole of the circuit board 21 and fixed with the second through hole of the circuit board 21.
Further, the second circuit board 20 is also provided with a signal output port 26, and the signal output port is used for user control to realize specific functions of the second circuit board 20.
The utility model discloses a circuit board assembly subassembly 100 realizes the communication function between first circuit board 10 and the second circuit board 20 through pegging graft first circuit board 10 and second circuit board 20. The first circuit board 10 and the second circuit board 20 are connected at an included angle, so that the installation space required by the circuit board assembly 100 is greatly reduced, and the miniaturization of the vehicle-mounted electronic device is facilitated. Meanwhile, the supporting member 30 is additionally arranged between the first circuit board 10 and the second circuit board 20, and the supporting member 30 is connected with the first circuit board 10 and the second circuit board 20 to support the first circuit board 10, so that the connection strength between the first circuit board 10 and the second circuit board 20 is enhanced, the problem of poor contact caused by connection loosening or fracture in the mutual contact process of the first circuit board 10 and the second circuit board 20 is avoided, the first circuit board 10 has high shock resistance, a better connection fixing effect can be realized, and good contact between the circuit boards is ensured.
The embodiments of the present invention have been described in detail, and the principles and embodiments of the present invention have been explained herein using specific embodiments, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. A circuit board assembly component is characterized by comprising a first circuit board, a second circuit board and a supporting piece, wherein the first circuit board is provided with a first plugging part, the second circuit board is provided with a second plugging part,
when the first circuit board is connected with the second circuit board in an inserting mode, the first inserting portion and the second inserting portion are fixed, so that the first circuit board is connected with the second circuit board in an included angle, and the supporting piece is connected to the first circuit board and the second circuit board and supports the first circuit board.
2. The circuit board assembly of claim 1, wherein the second circuit board comprises a circuit board and a fixing base plate stacked together, the fixing base plate has a plurality of protruding columns on a surface thereof adjacent to the circuit board, the plurality of protruding columns are spaced apart from each other at a periphery of the surface of the fixing base plate, the circuit board has a plurality of mounting holes, each of the mounting holes corresponds to one of the protruding columns, and when the plurality of protruding columns are respectively fixed in the plurality of mounting holes, a gap is formed between the circuit board and the fixing base plate.
3. The circuit board assembly of claim 2, wherein the first mating portion includes a mating pin extending through the first circuit board, and the second mating portion includes a mating hole formed in the circuit board, the mating hole allowing the mating pin to be inserted in a first direction to mate and fix the first circuit board with the circuit board.
4. The circuit board assembly of claim 3, wherein the socket pins include first ends and second ends, the first ends of the socket pins are fixedly connected to the first circuit board when the first circuit board is plugged to the second circuit board, and the second ends of the socket pins extend into the gap through the socket holes of the circuit board.
5. The circuit board assembly according to claim 4, wherein the circuit board includes a circuit board insertion area, the circuit board insertion area is provided with a plurality of insertion hole sets with different sizes, the number of the first circuit boards is multiple, the sizes and the numbers of the insertion pins of the first circuit boards are different from each other, each insertion hole set corresponds to one insertion pin of the first circuit board, and the correspondence includes correspondence between the size of the insertion hole set and the size of the insertion pin and correspondence between the number of the insertion holes and the number of the insertion pins.
6. The circuit board assembly of claim 3, wherein the supporting member includes a first side surface, the first side surface of the supporting member is provided with a first supporting pin, the first circuit board is provided with a first through hole, the first through hole is used for inserting the first supporting pin along a second direction to fix the supporting member and the first circuit board in a matching manner, and the second direction is different from the first direction.
7. The circuit board assembly of claim 6, wherein the supporting member includes a second side surface, the second side surface is connected to the first side surface, the second side surface is provided with a second supporting leg, a second through hole is provided on the circuit board near the insertion hole, and the second through hole allows the second supporting leg to be inserted along the first direction so that the supporting member is fixed to the circuit board.
8. The circuit board assembly of claim 7, wherein after the first support leg of the support member is inserted into the first through hole of the first circuit board along the second direction and fixed with the first through hole, the first circuit board drives the support member to move together to approach the circuit board along the second direction, so that the plug pin of the first circuit board is inserted into the plug hole of the circuit board and fixed with the plug hole, and meanwhile, the second support leg of the support member is inserted into the second through hole of the circuit board and fixed with the second through hole of the circuit board.
9. The circuit board assembly of claim 1, wherein the support member is made of a metal material, and a thickness of the support member is in a range of 0.3mm to 1.0 mm.
10. An in-vehicle electronic device, characterized in that the in-vehicle electronic device comprises a housing and a circuit board assembly according to any one of claims 1-9, the circuit board assembly being mounted to the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921469052.8U CN210579470U (en) | 2019-09-04 | 2019-09-04 | Circuit board assembly and vehicle-mounted electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921469052.8U CN210579470U (en) | 2019-09-04 | 2019-09-04 | Circuit board assembly and vehicle-mounted electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210579470U true CN210579470U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921469052.8U Active CN210579470U (en) | 2019-09-04 | 2019-09-04 | Circuit board assembly and vehicle-mounted electronic device |
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| Country | Link |
|---|---|
| CN (1) | CN210579470U (en) |
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- 2019-09-04 CN CN201921469052.8U patent/CN210579470U/en active Active
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