CN211236098U - Dual-purpose HN-K connects insulation test switching box - Google Patents
Dual-purpose HN-K connects insulation test switching box Download PDFInfo
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- CN211236098U CN211236098U CN201921870320.7U CN201921870320U CN211236098U CN 211236098 U CN211236098 U CN 211236098U CN 201921870320 U CN201921870320 U CN 201921870320U CN 211236098 U CN211236098 U CN 211236098U
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Abstract
The utility model relates to the technical field of special joint switching, in particular to a dual-purpose HN-K joint insulation test switching box, if the switching box is a pincer type insulation tester, a field cable is connected to the HN-K joint, protective caps of a binding post A and a binding post B are twisted open, and a clamp of the insulation tester clamps the binding post A and the binding post B, so that an insulation experiment can be started; if the insulation tester is a jack type insulation tester, a field cable is connected to the HN-K connector, and the insulation tester is inserted into the holes of the wiring terminal A and the wiring terminal B, so that an insulation experiment can be started. The utility model discloses the commonality of switching box is stronger, need not to change the insulation tester, but the centre gripping measures the radio frequency line insulativity, and the contact pin of compatible producer is measured simultaneously also.
Description
Technical Field
The utility model belongs to the technical field of the special joint switching, concretely relates to dual-purpose HN-K connects insulation test switching box.
Background
The HN joint is a universal high-voltage radio-frequency signal transmission line joint and is divided into two joints, namely HN-K joint and HN-J joint. In use, in order to ensure that the transmission signal of the high-voltage radio-frequency signal wire is stable, the insulation of the radio-frequency signal wire needs to be measured regularly. Need use the switching box to connect core wire and shielding layer to two terminals respectively when insulation measurement, make things convenient for insulating instrument wiring.
The HN-K connector adapter box used by the prior manufacturer is a jack type, while the insulation tester used by the nuclear power plant is a clamp type, and the insulation tester can only clamp but cannot be inserted into a wiring hole, so that the jack type adapter box of the manufacturer cannot be used.
Disclosure of Invention
An object of the utility model is to provide a dual-purpose HN-K connects insulation test switching box, but both the plug-in hole is again the centre gripping.
The technical scheme of the utility model as follows:
a dual-purpose HN-K joint insulation test adapter box comprises a joint component, a joint seat, an upper cover plate, a shell, a wiring terminal A, a wiring terminal B and a lower cover plate;
the joint component is a standard component and sequentially comprises an HN-K joint, a hexagonal transition component and an SMA-J joint from top to bottom;
the upper part of the joint seat is a rectangular flat plate, upper cover fixing screw holes are respectively processed at four corners of the rectangular flat plate, and upper cover fixing nut grooves are respectively processed at corresponding positions on the back surface of the rectangular flat plate;
a regular hexagon opening is processed at the center of the rectangular flat plate at the upper part of the joint seat and can penetrate through a hexagon transition component on the joint component;
the lower part of the joint seat is of a cylinder structure, and a cylinder space tangent to the regular hexagon opening is processed at the center of the upper part of the cylinder structure and serves as a joint component accommodating space for accommodating a hexagon transition component in the joint component;
a round hole is coaxially processed at the lower part of the cylinder structure and the space of the cylinder, so that the SMA-J joint can penetrate through the round hole;
the shell is of a cuboid structure, the joint seat is erected at the upper part of the shell, the joint assembly is arranged in the joint seat, and the SMA-J joint extends out of the joint seat and is positioned in the shell;
wiring post holes are symmetrically processed at the lower parts of the two side surfaces of the shell respectively;
the wiring terminal A and the wiring terminal B are respectively arranged at wiring terminal holes at two sides of the shell;
an SMA wire is led out from the SMA-J joint, wherein the inner wire core of the SMA wire is connected with the wiring terminal A, and the outer insulating layer is connected with the wiring terminal B;
two lower cover fixing nut grooves are axially processed on the bottom surface of the shell, and then two lower cover fixing screw holes are coaxially processed respectively;
the upper cover plate is formed by splicing two rectangular plates from left to right, and the outer edge profile of the upper cover plate is the same as the size of the upper surface of the shell; semi-circular grooves are respectively machined in the middle positions of the two opposite rectangular plates, are surrounded into a circular hole shape and can be tightly matched with the HN-K connector; upper cover counter bores are respectively processed on the two rectangular plates and correspond to the upper cover fixing screw holes at the four corners of the upper surface of the joint seat one by one;
the upper cover plate is arranged above the shell, and the HN-K connector penetrates through a round hole in the upper cover plate and is positioned above the upper cover plate;
fixing the upper cover plate and the joint assembly by sticking a nut into an upper cover fixing nut groove on the joint seat and sequentially screwing screws into upper cover counter bores on the upper cover plate and upper cover fixing screw holes on the joint seat;
two lower cover counter bores are axially processed on the lower cover plate and correspond to the lower cover fixing screw holes on the bottom surface of the shell in position one by one;
the lower cover plate is arranged below the shell, a nut is pasted in a lower cover fixing nut groove on the bottom surface of the shell, and a screw is screwed into the lower cover fixing screw hole to fix the lower cover plate and the shell.
Processing a side fixed joint screw cap groove and a side fixed joint screw hole respectively at symmetrical positions on two sides of a cylinder structure at the lower part of the joint seat;
the side face fixing joint screw hole is communicated with the joint assembly accommodating space and used for screwing a screw into the side face to abut against the joint assembly so as to fix the joint assembly without rotation.
The bottom surface of the shell is of a step-shaped concave structure, and the lower cover plate is of a step structure with a narrow upper part and a wide lower part;
the step structure of the lower cover plate is consistent with the concave shape of the bottom surface of the shell, and the lower cover plate and the shell are sealed reliably.
The hexagonal transition assembly in the joint assembly needs to rotate by 30 degrees after being placed in the joint assembly accommodating space, so that six edges of the hexagonal transition assembly are clamped on six edges of the regular hexagonal opening at the upper part of the joint seat, and the hexagonal transition assembly cannot be pulled out of the joint assembly accommodating space.
The diameter of the round hole at the lower part of the cylinder structure is 1mm larger than the external diameter of the SMA-J joint.
The HN-K connector can be clamped by the upper cover plate and cannot be pulled out of the connector base.
If the insulation tester is a pincer type insulation tester, a field cable is connected to the HN-K connector, protective caps of the wiring terminal A and the wiring terminal B are unscrewed, and the insulation tester clamps the wiring terminal A and the wiring terminal B, so that an insulation experiment can be started;
if the insulation tester is a jack type insulation tester, a field cable is connected to the HN-K connector, and the insulation tester is inserted into the holes of the wiring terminal A and the wiring terminal B, so that an insulation experiment can be started.
Through testing, the insulation resistance can reach 800G omega under the voltage of 500V; under the voltage of 1000V, the insulation resistance can reach 350G omega, and the requirement is met.
The beneficial effects of the utility model reside in that:
the utility model discloses the commonality of switching box is stronger, need not to change the insulation tester, but the centre gripping measures the radio frequency line insulativity, and the contact pin of compatible producer is measured simultaneously also.
Drawings
Fig. 1 is a schematic view of the overall structure of the adapter box;
FIG. 2 is a schematic view of a joint assembly;
FIG. 3 is a cross-sectional view of the joint block;
FIG. 4 is a schematic top perspective view of the connector block;
FIG. 5 is a schematic cross-sectional view of the housing;
FIG. 6 is a schematic view of the assembly of the connector housing and the connector assembly;
FIG. 7 is a schematic view of the right half upper cover plate;
fig. 8 is a perspective view of the lower cover plate structure.
In the figure: 1. a joint assembly; 2. an upper cover plate; 3. a housing; 4. a binding post A; 5. a binding post B; 6. a lower cover plate; HN-K linker; 8. a hexagonal transition assembly; SMA-J joints; 10. a joint assembly receiving space; 11. a circular hole; 12. a joint screw cap groove is fixed on the side surface; 13. a joint screw hole is fixed on the side surface; 14. the upper cover is fixed with a screw hole; 15. the upper cover is fixed with a nut groove; 16. a terminal post hole; 17. the lower cover is fixed with a nut groove; 18. the lower cover is fixed with a screw hole; 19. a semicircular groove; 20. a counter bore of the upper cover; 21. and a lower cover counter bore.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The dual-purpose HN-K connector insulation test adapter box shown in figure 1 comprises a connector assembly 1, a connector base, an upper cover plate 2, a shell 3, a wiring terminal A4, a wiring terminal B5 and a lower cover plate 6.
As shown in figure 2, the joint component 1 is a standard component and sequentially comprises a HN-K joint 7, a hexagonal transition component 8 and an SMA-J joint 9 from top to bottom.
As shown in fig. 3 and 4, the upper portion of the connector base is a rectangular flat plate, and upper cover fixing screw holes 14 are respectively processed at four corners of the flat plate, and upper cover fixing nut grooves 15 are respectively processed at corresponding positions on the back surface of the flat plate.
A regular hexagon opening is processed at the center position of the rectangular flat plate at the upper part of the joint seat and can penetrate through a hexagon transition component 8 on the joint component 1. The lower part of the joint seat is of a cylinder structure, and a cylinder space tangent to the regular hexagon opening is processed at the center of the upper part of the cylinder structure and serves as a joint component accommodating space 10 for accommodating a hexagon transition component 8 in the joint component 1. And a round hole 11 with the diameter larger than 1mm of the external diameter of the SMA-J joint 9 is coaxially processed at the lower part of the cylinder structure and the space of the cylinder, so that the SMA-J joint 9 can conveniently penetrate through the round hole.
And a side fixed joint screw cap groove 12 and a side fixed joint screw hole 13 are respectively machined at the symmetrical positions on two sides of the lower cylinder structure of the joint seat. The side face fixing joint screw hole 13 is communicated with the joint component accommodating space 10 and used for screwing a screw in the side face to abut against the joint component 1 so as to fix the joint component without rotation.
As shown in fig. 5, the housing 3 is a rectangular parallelepiped, the joint base is erected on the upper portion of the housing 3, and the joint assembly 1 is disposed in the joint base, wherein the SMA-J joint 9 extends out of the joint base and is located inside the housing 3. And terminal post holes 16 are symmetrically processed at the lower parts of the two side surfaces of the shell 3 respectively. The terminal A4 and the terminal B5 are respectively arranged at the terminal holes 16 at the two sides of the shell 3. An SMA wire is led out from the SMA-J joint 8, wherein the inner wire core of the SMA wire is connected with a binding post A4, and the outer insulating layer is connected with a binding post B5. The bottom surface of the shell 3 is of a step-shaped concave structure, and two lower cover fixing nut grooves 17 are axially processed on the bottom surface of the shell 3, and then two lower cover fixing screw holes 18 are coaxially processed respectively.
As shown in fig. 6, during assembly, the hexagonal transition member 8 in the joint assembly 1 is placed in the joint assembly accommodating space 10 and then rotated by 30 ° so that six corners of the hexagonal transition member 8 are engaged with six sides of the regular hexagonal opening at the upper portion of the joint base to ensure that the hexagonal transition member cannot be pulled out of the joint assembly accommodating space 10.
As shown in fig. 7, the upper cover plate 2 is formed by splicing two rectangular plates from left to right, and the outer edge contour of the upper cover plate 2 is the same as the size of the upper surface of the shell 3. Semi-circular grooves 19 are respectively processed in the middle positions of the two opposite rectangular plates, are surrounded into a circular hole shape and can be tightly matched with the HN-K connector 7. And upper cover counter bores 20 are respectively processed on the two rectangular plates and correspond to the upper cover fixing screw holes 14 at the four corners of the upper surface of the joint seat one by one.
The upper cover plate 2 is arranged above the shell 3, wherein the HN-K connector 7 penetrates through a round hole in the upper cover plate 2 and is positioned above the upper cover plate 2, and the HN-K connector 7 can be clamped through the upper cover plate 2 and cannot be pulled out of the connector base. The upper cover plate 2 and the joint assembly 1 are fixed by sticking nuts into the upper cover fixing nut grooves 15 on the joint base and screwing screws into the upper cover counter bores 20 on the upper cover plate 2 and the upper cover fixing screw holes 14 on the joint base in sequence.
As shown in fig. 8, the lower cover plate 6 has a stepped structure with a narrow top and a wide bottom, and two lower cover counter bores 21 are axially formed in the lower cover plate 6 and are in one-to-one correspondence with the lower cover fixing screw holes 18 on the bottom surface of the housing 3. The lower cover plate 6 is arranged below the shell 3, and the lower cover plate 6 and the shell 3 are fixed by sticking a nut in a lower cover fixing nut groove 17 on the bottom surface of the shell 3 and screwing a screw into a lower cover fixing screw hole 18. The step structure of the lower cover plate 6 is consistent with the concave shape of the bottom surface of the shell 3, and the two are sealed reliably.
If the insulation tester is a clamp-type insulation tester, a field cable is connected to the HN-K connector 7, the protective caps of the terminal A4 and the terminal B5 are unscrewed, and the insulation tester clamps the terminal A4 and the terminal B5, so that an insulation experiment can be started; in the case of a jack-type insulation tester, the insulation test can be started by connecting the field cable to the HN-K connector 7 and inserting the insulation tester into the holes of the terminal a4 and the terminal B5.
Through testing, the insulation resistance can reach 800G omega under the voltage of 500V; the insulation resistance can reach 350G omega under 1000V voltage. And the insulation experiment is qualified promptly more than 10G omega under 500V voltage, the utility model discloses satisfy the requirement.
Claims (8)
1. The utility model provides a dual-purpose HN-K connects insulation test switching box which characterized in that: the connector comprises a connector component (1), a connector seat, an upper cover plate (2), a shell (3), a binding post A (4), a binding post B (5) and a lower cover plate (6);
the joint component (1) is a standard component and sequentially comprises an HN-K joint (7), a hexagonal transition component (8) and an SMA-J joint (9) from top to bottom;
the upper part of the joint seat is a rectangular flat plate, the four corners of the joint seat are respectively provided with an upper cover fixing screw hole (14), and the corresponding positions on the back surface of the joint seat are respectively provided with an upper cover fixing nut groove (15);
a regular hexagon opening is processed at the center of the rectangular flat plate at the upper part of the joint seat and can penetrate through a hexagon transition assembly (8) on the joint assembly (1);
the lower part of the joint seat is of a cylindrical structure, and a cylindrical space tangent to the regular hexagonal opening is processed at the center of the upper part of the cylindrical structure and serves as a joint component accommodating space (10) for accommodating a hexagonal transition component (8) in the joint component (1);
a round hole (11) is machined in the lower part of the cylinder structure and is coaxial with the cylinder space, so that the SMA-J joint (9) can penetrate through the round hole;
the shell (3) is of a cuboid structure, the joint seat is erected at the upper part of the shell (3), the joint assembly (1) is arranged in the joint seat, and the SMA-J joint (9) extends out of the joint seat and is positioned in the shell (3);
wiring post holes (16) are symmetrically processed at the lower parts of the two side surfaces of the shell (3) respectively;
the wiring terminal A (4) and the wiring terminal B (5) are respectively arranged at wiring terminal holes (16) at two sides of the shell (3);
an SMA wire is led out from the SMA-J joint (9), wherein the inner wire core of the SMA wire is connected with the wiring terminal A (4), and the outer insulating layer is connected with the wiring terminal B (5);
two lower cover fixing nut grooves (17) are axially processed on the bottom surface of the shell (3) and two lower cover fixing screw holes (18) are further coaxially processed respectively;
the upper cover plate (2) is formed by splicing two rectangular plates from left to right, and the outline of the outer edge of the upper cover plate (2) is the same as the size of the upper surface of the shell (3); semi-circular grooves (19) are respectively machined in the middle positions of the two rectangular plates, are surrounded into a circular hole shape and can be tightly matched with the HN-K connector (7); upper cover counter bores (20) are respectively processed on the two rectangular plates and are in one-to-one correspondence with upper cover fixing screw holes (14) at four corners of the upper surface of the joint seat;
the upper cover plate (2) is arranged above the shell (3), wherein the HN-K connector (7) penetrates through a round hole in the upper cover plate (2) and is positioned above the upper cover plate (2);
fixing the upper cover plate (2) and the joint component (1) by sticking a nut into an upper cover fixing nut groove (15) on the joint seat and sequentially screwing screws into an upper cover counter bore (20) on the upper cover plate (2) and an upper cover fixing screw hole (14) on the joint seat;
two lower cover counter bores (21) are axially processed on the lower cover plate (6) and are in one-to-one correspondence with the positions of the lower cover fixing screw holes (18) on the bottom surface of the shell (3);
the lower cover plate (6) is arranged below the shell (3), a nut is pasted in a lower cover fixing nut groove (17) on the bottom surface of the shell (3), and a screw is screwed into a lower cover fixing screw hole (18) to fix the lower cover plate (6) and the shell (3).
2. The dual-purpose HN-K connector insulation test adapter box of claim 1, wherein: a side fixed joint screw cap groove (12) and a side fixed joint screw hole (13) are respectively machined at the symmetrical positions of two sides of the cylinder structure at the lower part of the joint seat;
the side face fixing joint screw hole (13) is communicated with the joint component accommodating space (10) and used for screwing a screw in the side face to abut against the joint component (1) so as to fix the joint component without rotating.
3. The dual-purpose HN-K connector insulation test adapter box of claim 1, wherein: the bottom surface of the shell (3) is of a step-shaped concave structure, and the lower cover plate (6) is of a step structure with a narrow upper part and a wide lower part;
the step structure of the lower cover plate (6) is consistent with the concave shape of the bottom surface of the shell (3), and the two are sealed reliably.
4. The dual-purpose HN-K connector insulation test adaptor box of claim 3, wherein: the hexagonal transition assembly (8) in the joint assembly (1) needs to rotate by 30 degrees after being placed into the joint assembly accommodating space (10), so that six corners of the hexagonal transition assembly (8) clamp six sides of the regular hexagonal opening in the upper part of the joint seat, and the hexagonal transition assembly cannot be pulled out of the joint assembly accommodating space (10).
5. The dual-purpose HN-K connector insulation test adapter box of claim 1, wherein: the diameter of the round hole (11) at the lower part of the cylinder structure is 1mm larger than the outer diameter of the SMA-J joint (9).
6. The dual-purpose HN-K connector insulation test adapter box of claim 1, wherein: the HN-K connector (7) can be clamped by the upper cover plate (2) and cannot be pulled out of the connector seat.
7. The dual-purpose HN-K connector insulation test adapter box of any one of claims 1 to 6, wherein: if the insulation tester is a pincer type insulation tester, a field cable is connected to the HN-K connector (7), protective caps of the wiring terminal A (4) and the wiring terminal B (5) are unscrewed, and the insulation tester clamp clamps the wiring terminal A (4) and the wiring terminal B (5), so that an insulation experiment can be started;
if the insulation tester is a jack type insulation tester, a field cable is connected to the HN-K connector (7), and the insulation tester is inserted into the holes of the terminal A (4) and the terminal B (5) to start an insulation experiment.
8. The dual-purpose HN-K joint insulation test adapter box of claim 7, wherein: through testing, the insulation resistance can reach 800G omega under the voltage of 500V; under the voltage of 1000V, the insulation resistance can reach 350G omega, and the requirement is met.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921870320.7U CN211236098U (en) | 2019-11-01 | 2019-11-01 | Dual-purpose HN-K connects insulation test switching box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921870320.7U CN211236098U (en) | 2019-11-01 | 2019-11-01 | Dual-purpose HN-K connects insulation test switching box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211236098U true CN211236098U (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921870320.7U Active CN211236098U (en) | 2019-11-01 | 2019-11-01 | Dual-purpose HN-K connects insulation test switching box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211236098U (en) |
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2019
- 2019-11-01 CN CN201921870320.7U patent/CN211236098U/en active Active
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