CN219936771U - High-voltage resistor - Google Patents
High-voltage resistor Download PDFInfo
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- CN219936771U CN219936771U CN202321358825.1U CN202321358825U CN219936771U CN 219936771 U CN219936771 U CN 219936771U CN 202321358825 U CN202321358825 U CN 202321358825U CN 219936771 U CN219936771 U CN 219936771U
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- conductive flange
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- upper conductive
- lower conductive
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
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Abstract
The utility model relates to a high-voltage resistor, and belongs to the technical field of resistors. The high-voltage resistor comprises a parallel resistor string, wherein the parallel resistor string comprises an upper conductive flange, a lower conductive flange, a plurality of resistors and an insulating support column, the upper conductive flange and the lower conductive flange are coaxially arranged, the insulating support column is arranged between the upper conductive flange and the lower conductive flange, one end of the insulating support column is connected with the bottom of the upper conductive flange, the other end of the insulating support column is connected with the top of the lower conductive flange, the plurality of resistors are arranged on the peripheral walls of the upper conductive flange and the lower conductive flange at intervals, one end of each resistor is detachably and electrically connected with the peripheral wall of the upper conductive flange, and the other end of each resistor is detachably and electrically connected with the peripheral wall of the lower conductive flange. The high-voltage resistor provided by the utility model can provide different resistance values, reduce expenditure and save space.
Description
Technical Field
The utility model belongs to the technical field of resistors, and particularly relates to a high-voltage resistor.
Background
The high-voltage resistor is a resistor (also called a resistor) working under high voltage, the working voltage can reach 10-100 kV, and the high-voltage resistor can be applied to a high-voltage device and used as a voltage divider and a bleeder resistor.
Since the high voltage resistor is to withstand very high voltages, it must have a very high resistance value, which results in a high volume of the high voltage resistor. When the high-voltage device works, a plurality of high-voltage resistors with different resistance values are usually needed, if all the high-voltage resistors with different resistance values are prepared, not only is a lot of expenditure increased, but also a lot of space is occupied by a large number of high-voltage resistors, so that inconvenience is brought.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides a high-voltage resistor for providing different resistance values, reducing expenditure and saving space.
The high voltage resistor comprises a parallel resistor string comprising an upper conductive flange, a lower conductive flange, a plurality of resistors and insulating support posts,
the upper conductive flange and the lower conductive flange are coaxially arranged, the insulating support column is arranged between the upper conductive flange and the lower conductive flange, one end of the insulating support column is connected with the bottom of the upper conductive flange, the other end of the insulating support column is connected with the top of the lower conductive flange, the resistors are arranged on the peripheral wall of the upper conductive flange and the peripheral wall of the lower conductive flange at intervals, one end of each resistor is detachably connected with the peripheral wall of the upper conductive flange, and the other end of each resistor is detachably connected with the peripheral wall of the lower conductive flange.
Optionally, the number of parallel resistor strings is greater than or equal to 2, each of the parallel resistor strings is sequentially stacked,
and in the two adjacent parallel resistor strings, the lower conductive flange of the upper parallel resistor string is electrically connected with the upper conductive flange of the lower parallel resistor string.
Optionally, the upper conductive flange is a blind flange, a conductive boss is arranged at the top center of the upper conductive flange, an external thread is arranged on the conductive boss, an internal thread is arranged in a flange hole of the lower conductive flange, and the external thread is matched with the internal thread.
Optionally, the parallel resistor string further comprises a plurality of upper conductive clips and a plurality of lower conductive clips,
the plurality of upper conductive clips are mounted on the outer peripheral wall of the upper conductive flange at intervals,
the plurality of lower conductive clips are mounted on the outer peripheral wall of the lower conductive flange at intervals,
the upper conductive clips are in one-to-one correspondence with the lower conductive clips, one end of the resistor is detachably clamped on the upper conductive clips, and the other end of the resistor is detachably clamped on the corresponding lower conductive clips.
Optionally, the upper conductive clip and the lower conductive clip are both U-shaped metal clips.
Optionally, the diameters of the cross sections of the upper conductive flange and the lower conductive flange are the same.
Optionally, the plurality of resistors are uniformly spaced on the peripheral walls of the upper and lower conductive flanges.
Optionally, the number of the resistors is 1-10.
Optionally, the resistor is a high voltage non-inductive resistor.
Optionally, two ends of the insulating support column are connected with the bottom of the upper conductive flange and the top of the lower conductive flange through bolts respectively.
The utility model has the following effects: the high-voltage resistor comprises a parallel resistor string, wherein one ends of a plurality of resistors in the parallel resistor string are electrically connected to an upper conductive flange together, and the other ends of the plurality of resistors are electrically connected to a lower conductive flange together; the resistors are detachably and electrically connected with the upper conductive flange and the lower conductive flange, so that the number of resistors on the parallel resistor strings can be arranged according to the required resistance value, and compared with the high-voltage resistors with all the resistance values, the number of the resistors is reduced, the cost is reduced, and the space can be saved.
Drawings
FIG. 1 is a schematic diagram of a high voltage resistor including a parallel resistor string provided by the present utility model;
fig. 2 is a schematic structural view of a lower conductive flange according to the present utility model.
In the figure, an upper conductive flange, an 11 conductive boss, a 2 lower conductive flange, a 21 flange hole, a 3 resistor, 4 insulating support columns, 41 bolts, an 5 upper conductive clamp, a 6 lower conductive clamp and 7 metal fasteners are arranged.
Detailed Description
The utility model is further described below with reference to the drawings and detailed description.
The utility model provides a high voltage resistor comprising a parallel resistor string. Fig. 1 is a schematic diagram of a high voltage resistor including a parallel resistor string according to the present utility model. Referring to fig. 1, the parallel resistor string includes an upper conductive flange 1, a lower conductive flange 2, a plurality of resistors 3, and insulating support columns 4.
The upper conductive flange 1 and the lower conductive flange 2 are arranged at intervals and coaxially, the insulating support column 4 is arranged between the upper conductive flange 1 and the lower conductive flange 2, one end of the insulating support column 4 is connected with the bottom of the upper conductive flange 1, the other end of the insulating support column 4 is connected with the top of the lower conductive flange 2, the plurality of resistors 3 are arranged on the peripheral walls of the upper conductive flange 1 and the lower conductive flange 2 at intervals, one end of each resistor 3 is detachably electrically connected with the peripheral wall of the upper conductive flange 1, and the other end of each resistor 3 is detachably electrically connected with the peripheral wall of the lower conductive flange 2.
When the high-voltage resistor comprises a parallel resistor string, one ends of the resistors 3 are commonly and electrically connected to the upper conductive flange 1, and the other ends of the resistors 3 are commonly and electrically connected to the lower conductive flange 2, so that the resistors 3 are connected in parallel through the upper conductive flange 1 and the lower conductive flange 2, and the upper conductive flange 1 and the lower conductive flange 2 are respectively connected into a circuit as two connecting terminals of the high-voltage resistor. Because the resistor 3 is detachably electrically connected with the upper conductive flange 1 and the lower conductive flange 2, the number of the resistors 3 on the parallel resistor string can be arranged according to the required resistor 3 value, and compared with the high-voltage resistors with all the resistor values, the number of the resistors 3 is reduced, so that the cost is reduced, and the space can be saved.
In addition, the upper conductive flange 1 and the lower conductive flange 2 are supported by the insulating support columns 4 to realize interval arrangement, so that heat dissipation of the resistor 3 is facilitated.
Alternatively, both ends of the insulating support column 4 are connected to the bottom of the upper conductive flange 1 and the top of the lower conductive flange 2 by bolts 41, respectively.
Optionally, the number of insulating support columns 4 is 4, the insulating support columns 4 being uniformly spaced between the upper conductive flange 1 and the lower conductive flange 2.
Optionally, the insulating support columns 4 are plastic support columns.
Optionally, the parallel resistor string further comprises a plurality of upper conductive clips 5 and a plurality of lower conductive clips 6.
A plurality of upper conductive clips 5 are installed on the outer circumferential wall of the upper conductive flange 1 at intervals. A plurality of lower conductive clips 6 are mounted on the outer peripheral wall of the lower conductive flange 2 at intervals. The upper conductive clips 5 are in one-to-one correspondence with the lower conductive clips 6. One end of the resistor 3 is detachably clamped on the upper conductive clamp 5, and the other end of the resistor 3 is detachably clamped on the corresponding lower conductive clamp 6.
Optionally, the upper conductive clip 5 and the lower conductive clip 6 have the same structure, and preferably, the upper conductive clip 5 and the lower conductive clip 6 are both U-shaped metal clips.
Correspondingly, the bottoms of the U-shaped metal clamps are arranged on the upper conductive flange 1 and the lower conductive flange 2 through metal fasteners 7, and the two support arms of the U-shaped metal clamps can be arc-shaped structures matched with the shapes of the resistors 3, so that the resistors 3 can be stably clamped.
The metal fastener 7 may be a bolt.
Both the U-shaped metal clip and the metal fastener 7 are capable of conducting electricity, ensuring the electrical connection of the resistor 3 with the upper conductive flange 1 and the lower conductive flange 2, respectively.
Alternatively, the plurality of resistors 3 are uniformly spaced on the outer peripheral walls of the upper conductive flange 1 and the lower conductive flange 2.
Alternatively, the number of resistors 3 is 1 to 10.
Alternatively, the resistor 3 is a high voltage non-inductive resistor. Preferably, the resistor 3 is of the Dahongpao RI80 type.
Optionally, the number of parallel resistor strings is greater than or equal to 2, each parallel resistor string being stacked in sequence. Of the two adjacent parallel resistor strings, the lower conductive flange 2 of the upper parallel resistor string is electrically connected with the upper conductive flange 1 of the lower parallel resistor string.
In this way, each parallel resistor string will be connected in series. In application, different numbers of parallel resistor strings can be selected for series connection according to the required size of the resistor 3, so that the high-voltage resistor is more widely applied.
Preferably, the number of resistors 3 in the parallel resistor string is 10, and the maximum resistance of the parallel resistor string can be 500 kilo-ohms, can withstand 50 kilovolts and can pass 100 milliamps.
In this embodiment, the upper conductive flange 1 and the lower conductive flange 2 are both disc-shaped, and the embodiment does not limit the types of the upper conductive flange 1 and the lower conductive flange 2, and the upper conductive flange 1 and the lower conductive flange 2 may be flanges with holes or flanges without holes.
Preferably, the diameters of the cross sections of the upper conductive flange 1 and the lower conductive flange 2 are the same. Thus, the length direction of each resistor 3 is parallel.
Preferably, the upper conductive flange 1 is a blind flange, referring to fig. 1, a conductive boss 11 is arranged at the top center of the upper conductive flange 1, and external threads are arranged on the conductive boss 11.
Fig. 2 is a schematic structural diagram of the lower conductive flange 2 provided by the present utility model, referring to fig. 2, the lower conductive flange 2 may be a flange with holes, and the flange holes 21 of the lower conductive flange 2 are provided with internal threads, and the external threads are matched with the internal threads.
In this way, among the two adjacent parallel resistor strings, the conductive boss 11 of the lower parallel resistor string is screwed with the flange hole 21 of the upper parallel resistor string, so as to realize the serial connection of the two adjacent parallel resistor strings.
It will be appreciated by persons skilled in the art that the high voltage resistor of the present utility model is not limited to the examples described in the detailed description, which are given above for the purpose of illustration only and not for the purpose of limiting the utility model. Other embodiments will occur to those skilled in the art from a consideration of the specification and practice of the utility model as claimed and as claimed in the claims and their equivalents.
Claims (10)
1. A high voltage resistor, characterized in that it comprises a parallel resistor string comprising an upper conductive flange (1), a lower conductive flange (2), a plurality of resistors (3) and insulating support columns (4),
the utility model discloses a high-voltage power supply device, including upper conductive flange (1) and lower conductive flange (2), insulating support column (4) are arranged on the upper conductive flange (1) with between lower conductive flange (2), the one end of insulating support column (4) with the bottom of upper conductive flange (1) is connected, the other end of insulating support column (4) with the top of lower conductive flange (2) is connected, a plurality of resistance (3) interval arrangement is in upper conductive flange (1) with on the periphery wall of lower conductive flange (2), one end detachably of resistance (3) with the periphery wall electricity of upper conductive flange (1) is connected, the other end detachably of resistance (3) with the periphery wall electricity of lower conductive flange (2) is connected.
2. The high-voltage resistor of claim 1 wherein the number of parallel resistor strings is greater than or equal to 2, each of the parallel resistor strings being stacked in sequence,
and in the two adjacent parallel resistor strings, the lower conductive flange (2) of the upper parallel resistor string is electrically connected with the upper conductive flange (1) of the lower parallel resistor string.
3. A high voltage resistor according to claim 2, characterized in that the upper conductive flange (1) is a blind flange, a conductive boss (11) is arranged in the top center of the upper conductive flange (1), an external thread is arranged on the conductive boss (11), a flange hole (21) of the lower conductive flange (2) is provided with an internal thread, and the external thread is matched with the internal thread.
4. A high voltage resistor according to any of the claims 1-3, characterized in that the parallel resistor string further comprises a plurality of upper conductive clips (5) and a plurality of lower conductive clips (6),
the plurality of upper conductive clips (5) are installed on the peripheral wall of the upper conductive flange (1) at intervals,
the plurality of lower conductive clips (6) are installed on the peripheral wall of the lower conductive flange (2) at intervals,
the upper conductive clamps (5) are in one-to-one correspondence with the lower conductive clamps (6), one end of the resistor (3) is detachably clamped on the upper conductive clamps (5), and the other end of the resistor (3) is detachably clamped on the corresponding lower conductive clamps (6).
5. A high voltage resistor according to claim 4, characterized in that the upper conductive clip (5) and the lower conductive clip (6) are both U-shaped metal clips.
6. A high voltage resistor according to any of claims 1-3, characterized in that the diameters of the cross sections of the upper conductive flange (1) and the lower conductive flange (2) are the same.
7. A high voltage resistor according to any of claims 1-3, characterized in that the plurality of resistances (3) are evenly spaced on the peripheral walls of the upper conductive flange (1) and the lower conductive flange (2).
8. A high voltage resistor according to any of claims 1-3, characterized in that the number of said resistances (3) is 1-10.
9. A high voltage resistor according to any of claims 1-3, characterized in that the resistor (3) is a high voltage non-inductive resistor.
10. A high voltage resistor according to any of claims 1-3, characterized in that the two ends of the insulating support column (4) are connected to the bottom of the upper conductive flange (1) and the top of the lower conductive flange (2) by bolts (41), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321358825.1U CN219936771U (en) | 2023-05-30 | 2023-05-30 | High-voltage resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321358825.1U CN219936771U (en) | 2023-05-30 | 2023-05-30 | High-voltage resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219936771U true CN219936771U (en) | 2023-10-31 |
Family
ID=88498774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321358825.1U Active CN219936771U (en) | 2023-05-30 | 2023-05-30 | High-voltage resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219936771U (en) |
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2023
- 2023-05-30 CN CN202321358825.1U patent/CN219936771U/en active Active
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