CN221928599U - High-voltage high-power connecting mechanism of PCB laminated structure - Google Patents
High-voltage high-power connecting mechanism of PCB laminated structure Download PDFInfo
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- CN221928599U CN221928599U CN202420327925.6U CN202420327925U CN221928599U CN 221928599 U CN221928599 U CN 221928599U CN 202420327925 U CN202420327925 U CN 202420327925U CN 221928599 U CN221928599 U CN 221928599U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 16
- 238000000605 extraction Methods 0.000 claims abstract description 16
- 239000004020 conductor Substances 0.000 claims description 10
- 230000003071 parasitic effect Effects 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of PCB boards, and provides a high-voltage high-power connecting mechanism of a PCB laminated structure, which comprises two groups of PCB board main bodies, an inner connecting rod, an insulating cylinder, an outer connecting sleeve and a fixing nut, wherein the insulating cylinder and the outer connecting sleeve are sequentially sleeved on the inner connecting rod, two ends of the inner connecting rod are respectively provided with an extraction rod, and the two groups of PCB board main bodies are respectively sleeved on the extraction rods at two ends of the inner connecting rod and are fixedly connected by threads formed by the fixing nut and the extraction rods. The device aims to solve the technical problems that the structure of the device in the prior art is complex, the connection efficiency is reduced, and the use is influenced by larger parasitic inductance. Compared with the prior art, the utility model has the following beneficial effects: the complexity of the device is reduced, the convenience of the device during installation is improved, the installation speed of the device is improved, the parasitic inductance in the conduction process is effectively reduced, and the influence of the parasitic inductance on the use of the device is reduced.
Description
Technical Field
The utility model belongs to the technical field of PCB boards, and particularly relates to a high-voltage high-power connecting mechanism of a PCB laminated structure.
Background
The existing PCB up-down lamination structure connection scheme is mainly realized by means of butt joint of a board-to-board connector, an edge connector and the like, the distance between the pins of the common connector is 1.27-5.08mm, the most commonly used distance is 2.54mm, and the PCB up-down lamination structure connection scheme is suitable for low-voltage low-current control and communication signals.
In high voltage applications, there may be instances where insulation and creepage distance are insufficient due to distance limitations, and in use, the insulation and creepage distance requirements are often met by eliminating some of the pins. When heavy current is applied, one needle can not meet the requirement of overcurrent, a plurality of needles are required to be used in parallel to run the same signal current, the complexity of the device is increased, the device is inconvenient to use in a quick connection mode, current in a positive electrode loop and a negative electrode loop can not be tightly attached when the existing connector is connected, and a magnetic field generated by the current in the loop can not be effectively counteracted, so that larger parasitic inductance can be generated in the whole loop, and the parasitic inductance is very sensitive in heavy current application.
Disclosure of utility model
The utility model aims to provide a high-voltage high-power connecting mechanism with a PCB laminated structure, and aims to solve the technical problems that the structure of a device in the prior art is complex, the connecting efficiency is reduced, and the use is influenced by larger parasitic inductance.
The high-voltage high-power connecting mechanism of the PCB laminated structure comprises two groups of PCB main bodies, an inner connecting rod, an insulating cylinder, an outer connecting sleeve and a fixing nut, wherein the insulating cylinder and the outer connecting sleeve are sequentially sleeved on the inner connecting rod, two ends of the inner connecting rod are respectively provided with an extraction rod, the two groups of PCB main bodies are respectively sleeved on the extraction rods at two ends of the inner connecting rod and are fixedly connected with the extraction rods through threads formed by the fixing nut and the extraction rods, and the outer connecting sleeve and the insulating cylinder are clamped and fixed by the PCB main bodies at two ends.
The technical scheme is as follows: the PCB main body is provided with a first bonding pad and a second bonding pad, the second bonding pad is located in the middle of the PCB main body and is provided with a through hole, and the first bonding pad is of an arc-shaped structure and distributed around the second bonding pad.
The technical scheme is as follows: and a plurality of groups of square positioning holes which are distributed at intervals are formed in the first bonding pad.
The technical scheme is as follows: the two ends of the outer connecting sleeve are respectively provided with a convex plate with an arc-shaped structure, the convex plates are matched with the first bonding pads, and a plurality of groups of positioning plates matched with the square positioning holes are fixedly arranged on the convex plates.
The technical scheme is as follows: the connecting rod is a good electric conductor, the connecting rod is of a cylindrical structure, and the leading-out rods at two ends of the connecting rod are polished rods or one of the connecting rods with standard threads.
The technical scheme is as follows: the outer connecting sleeve is an electric good conductor and is arranged into a cylindrical structure, and the convex plate is positioned on the outer side of the end face of the outer connecting sleeve.
The technical scheme is as follows: the insulating cylinder is a poor electric conductor, is of a cylindrical cylinder structure, is positioned between the inner connecting rod and the outer connecting sleeve, and keeps insulation between the inner connecting rod and the outer connecting sleeve.
Compared with the prior art, the utility model has the following beneficial effects:
1. The device can be assembled into a whole by fixing a plurality of parts in advance, and can be directly connected with the PCB main body, so that the complexity of the device is reduced, the convenience of device installation is improved, and the installation speed of the device is improved.
2. The two magnetic fields generated by the current flowing mode are in a coaxial state, and then the two magnetic fields can be basically offset, so that parasitic inductance in the conducting process can be effectively reduced, the influence of the parasitic inductance on the use of the device is reduced, the use limit of the device is reduced, and the application range of the device is increased.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic cross-sectional view of the present utility model.
Fig. 3 is a schematic diagram of an explosive structure according to the present utility model.
In the accompanying drawings: 1. a PCB main body; 2. a first bonding pad; 3. positioning the square hole; 4. a second bonding pad; 5. connecting rods internally; 6. a fixing nut; 7. an insulating cylinder; 8. an outer connecting sleeve; 9. a convex plate; 10. and (5) positioning the plate.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
As shown in fig. 1-3, the high-voltage high-power connecting mechanism with the PCB laminated structure provided by the utility model comprises two groups of PCB main bodies 1, an inner connecting rod 5, an insulating cylinder 7, an outer connecting sleeve 8 and a fixing nut 6, wherein the insulating cylinder 7 and the outer connecting sleeve 8 are sequentially sleeved on the inner connecting rod 5, both ends of the inner connecting rod 5 are provided with leading-out rods, the two groups of PCB main bodies 1 are respectively sleeved on the leading-out rods at both ends of the inner connecting rod 5 and are fixedly connected by threads formed by the fixing nut 6 and the leading-out rods, and the outer connecting sleeve 8 and the insulating cylinder 7 are clamped and fixed by the PCB main bodies 1 at both ends.
In practical application, the inner connecting rod 5, the insulating cylinder 7 and the outer connecting sleeve 8 are coaxially connected, then a group of PCB main bodies 1 are mounted on the leading-out rod at the end part of the inner connecting rod 5, then the PCB main bodies 1 are abutted against the end surface of the inner connecting rod 5 through the threaded connection formed by the fixing nut 6 and the leading-out rod, so that the fixing of the PCB main bodies 1 is realized, the other group of PCB main bodies 1 are mounted and fixed at the other end of the inner connecting rod 5, the device can be mounted and used at the moment, the insulating cylinder 7 can be fixedly connected with the inner connecting rod 5 or the outer connecting sleeve 8 or can be simultaneously and coaxially fixedly connected with the inner connecting rod 5 or the outer connecting sleeve 8 before the device is mounted, and therefore, the connection with the PCB main bodies 1 can be directly carried out subsequently, the complexity of the device is reduced, the convenience of the device mounting is improved, and the mounting speed of the device is facilitated;
When the device is used, the inner connecting rod 5 runs high-voltage current, the outer connecting sleeve 8 runs low-voltage current, the high-voltage current and the low-voltage current are equal in size and opposite in direction, and according to ampere rule, two currents can generate two magnetic fields with equal sizes and opposite directions, and the two magnetic fields are in a coaxial state, so that the two magnetic fields can be basically offset, parasitic inductance in a conducting process can be effectively reduced, the influence of the parasitic inductance on the use of the device is reduced, the use limit of the device is reduced, and the application range of the device is increased.
As shown in fig. 1-3, in the high-voltage high-power connecting mechanism with the PCB laminated structure provided by the utility model, a first bonding pad 2 and a second bonding pad 4 are arranged on a PCB main body 1, the second bonding pad 4 is positioned in the middle of the PCB main body 1, a through hole is arranged in the middle of the second bonding pad 4, and the first bonding pad 2 is in an arc structure and is distributed around the second bonding pad 4.
Specifically, a plurality of groups of square positioning holes 3 which are distributed at intervals are formed in the first bonding pad 2.
Specifically, both ends of the outer connecting sleeve 8 are provided with convex plates 9 with arc structures, the convex plates 9 are matched with the first bonding pads 2, and a plurality of groups of positioning plates 10 matched with the square positioning holes 3 are fixedly arranged on the convex plates 9.
In practical application, after the inner connecting rod 5, the insulating cylinder 7 and the outer connecting sleeve 8 are coaxially connected, the PCB main body 1 is mounted on an extraction rod at the end part of the inner connecting rod 5 through the second bonding pad 4, the extraction rod passes through a through hole on the second bonding pad 4, the angle of the PCB main body 1 is adjusted to align the positioning square hole 3 on the first bonding pad 2 with the positioning plate 10, then the PCB main body 1 is pushed to move so that the positioning plate 10 passes through the positioning square hole 3, and after the PCB main body 1 contacts with the end surface of the inner connecting rod 5, the PCB main body 1 is fixedly connected with the extraction rod through a threaded structure on the fixing nut 6, so that the PCB main body 1 is fixed with the inner connecting rod 5, and the outer connecting sleeve 8 is limited and fixed through the PCB main bodies 1 at two ends, so that the mounting and fixing of the device are completed;
through the setting of flange 9, the through-hole becomes big when being close to both ends, leaves when being connected with PCB board main part 1 with the insulating distance of interconnect link 5, leaves interconnect link 5 simultaneously and outer adapter sleeve 8's insulation and creepage distance when PCB top layer wiring and copper-clad, guarantees the safe handling of device.
As shown in fig. 1-3, in the high-voltage high-power connection mechanism with a PCB laminated structure provided by the present utility model, the inner connection rod 5 is a good electrical conductor, the inner connection rod 5 is a cylindrical structure, and the two end extraction rods are one of polished rods or standard threads.
Specifically, the outer connecting sleeve 8 is an electric good conductor and is provided with a cylindrical structure, and the convex plate 9 is positioned on the outer side of the end face of the outer connecting sleeve 8.
Specifically, the insulating cylinder 7 is an electrical poor conductor, and the insulating cylinder 7 is in a cylindrical cylinder structure and is located between the inner connecting rod 5 and the outer connecting sleeve 8, and the inner connecting rod 5 and the outer connecting sleeve 8 are kept insulated.
In practical application, the internal connecting rod 5 and the external connecting sleeve 8 are good conductors for electricity to improve the conducting effect, the threaded structure on the extraction rod can be set or not according to the installation requirement during installation, when one end of the extraction rod is a polished rod, the smooth end is fixed through welding, when both ends are smooth cylinders, the two ends are suitable for welding and fixing, the internal connecting rod 5 and the external connecting sleeve 8 are kept in an insulating state through the insulating cylinder 7, the insulating safety during subsequent use is ensured, the length of the insulating cylinder 7 is slightly shorter than the main body length of the internal connecting rod 5, and the subsequent installation and clamping are convenient;
The insulating cylinder 7 can be the individual that exists alone when the installation, rely on the PCB board main part 1 at both ends to press from both sides tightly fixedly, also can make insulating cylinder 7 and interior connecting rod 5 or outer adapter sleeve 8 fixed coaxial coupling when not installing, also can make insulating cylinder 7, interior connecting rod 5 and outer adapter sleeve 8 direct coaxial fixation become the overall structure, and the three part position is absolute fixed, reduces the complexity of device structure, convenient follow-up installation.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
- The high-voltage high-power connecting mechanism of the PCB laminated structure comprises two groups of PCB main bodies (1), an inner connecting rod (5), an insulating cylinder (7), an outer connecting sleeve (8) and a fixing nut (6), and is characterized in that the insulating cylinder (7) and the outer connecting sleeve (8) are sequentially sleeved on the inner connecting rod (5), two ends of the inner connecting rod (5) are respectively provided with an extraction rod, the two groups of PCB main bodies (1) are respectively sleeved on the extraction rods at two ends of the inner connecting rod (5) and are fixedly connected with the threaded connection formed by the fixing nut (6) and the extraction rods, and the outer connecting sleeve (8) and the insulating cylinder (7) are clamped and fixed by the PCB main bodies (1) at two ends.
- 2. The high-voltage high-power connecting mechanism of the PCB laminated structure according to claim 1, wherein the PCB main body (1) is provided with a first bonding pad (2) and a second bonding pad (4), the second bonding pad (4) is positioned in the middle of the PCB main body (1) and is provided with through holes in the middle of the PCB main body, and the first bonding pads (2) are of arc-shaped structures and are distributed around the second bonding pad (4).
- 3. The high-voltage high-power connecting mechanism of the PCB laminated structure according to claim 2, wherein a plurality of groups of positioning square holes (3) which are distributed at intervals are formed on the first bonding pad (2).
- 4. The high-voltage high-power connecting mechanism of the PCB laminated structure according to claim 3, wherein convex plates (9) with arc structures are arranged at two ends of the outer connecting sleeve (8), the convex plates (9) are matched with the first bonding pads (2), and a plurality of groups of positioning plates (10) matched with the square positioning holes (3) are fixedly arranged on the convex plates (9).
- 5. The high-voltage high-power connecting mechanism of the PCB laminated structure according to claim 1, wherein the connecting rod (5) is a good electric conductor, the connecting rod (5) is a cylindrical structure, and the leading-out rods at two ends of the connecting rod are one of polished rods and standard threads.
- 6. The high-voltage high-power connecting mechanism of the PCB laminated structure according to claim 1, wherein the outer connecting sleeve (8) is an electric good conductor and is provided with a cylindrical structure, and the convex plate (9) is positioned on the outer side of the end face of the outer connecting sleeve (8).
- 7. The high-voltage high-power connecting mechanism of the PCB laminated structure according to claim 1, wherein the insulating cylinder (7) is an electric poor conductor, the insulating cylinder (7) is of a cylindrical cylinder structure and is positioned between the inner connecting rod (5) and the outer connecting sleeve (8) and the inner connecting rod (5) is insulated from the outer connecting sleeve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420327925.6U CN221928599U (en) | 2024-02-22 | 2024-02-22 | High-voltage high-power connecting mechanism of PCB laminated structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420327925.6U CN221928599U (en) | 2024-02-22 | 2024-02-22 | High-voltage high-power connecting mechanism of PCB laminated structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221928599U true CN221928599U (en) | 2024-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420327925.6U Active CN221928599U (en) | 2024-02-22 | 2024-02-22 | High-voltage high-power connecting mechanism of PCB laminated structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221928599U (en) |
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2024
- 2024-02-22 CN CN202420327925.6U patent/CN221928599U/en active Active
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