CN212380213U - High-voltage resistor - Google Patents
High-voltage resistor Download PDFInfo
- Publication number
- CN212380213U CN212380213U CN202020964937.1U CN202020964937U CN212380213U CN 212380213 U CN212380213 U CN 212380213U CN 202020964937 U CN202020964937 U CN 202020964937U CN 212380213 U CN212380213 U CN 212380213U
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- pull rod
- insulating ceramic
- ceramic pipe
- support
- metal pull
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Abstract
The utility model relates to a high-voltage resistor, including support, binding post, metal pull rod, resistance body and insulating ceramic pipe, the even coiling of resistance body is on insulating ceramic pipe, and insulating ceramic pipe both ends are fixed on the support, binding post sets up at insulating ceramic pipe both ends, the metal pull rod is located insulating ceramic pipe, metal pull rod both ends are equipped with lock nut, and is taut fixed with support and insulating ceramic pipe, the metal pull rod includes first pull rod and second pull rod, and first pull rod and second pull rod pass through middle insulating part and connect. The high-voltage resistor is characterized in that the metal pull rod is divided into two parts, and then the two parts are connected through the middle insulating part, the middle insulating part separates the metal pull rod, so that supports at two ends are insulated and isolated, high voltage between two wiring terminals is prevented from discharging through the supports and the metal pull rod, the common resistor can be applied to high-voltage occasions, the technical transformation cost is low, the existing manufacturing process of the common resistor is still adopted, and the high-voltage resistor is simple in structure and convenient to install.
Description
Technical Field
The utility model relates to an electronic components technical field especially relates to a high-tension resistor.
Background
Common ordinary resistance generally includes support, binding post, metal pull rod, resistance body and insulating ceramic pipe on the market, the even coiling of resistance body is on insulating ceramic pipe, and insulating ceramic pipe both ends are fixed on the support, binding post sets up at insulating ceramic pipe both ends to be connected with resistance body electricity, the metal pull rod is located insulating ceramic pipe, metal pull rod both ends are equipped with lock nut, and it is taut fixed with support and insulating ceramic pipe. The metal pull rod is good in strength and can be made to be very thin, but suspension potentials exist on supports at two ends, so that the creepage distance/the electric gap of the resistor can be reduced, the resistor cannot be directly made into a high-voltage resistor for use, if the metal pull rod is directly replaced by the insulation pull rod, although the creepage distance/the electric gap of the resistor can be increased, if the metal pull rod and the metal pull rod have the same strength, the diameter of the insulation pull rod can be increased more, particularly, for a high-power resistor, the span is very large, the insulation pull rod is long and thick, and the weight, the cost and the like are unacceptable. In the prior art, some high-voltage resistors with other structures exist, but the production process is complex, the cost is high, the installation is inconvenient, and improvement is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, simple to operate's high tension resistance.
The utility model provides a technical scheme does: the utility model provides a high-voltage resistor, includes support, binding post, metal pull rod, resistance body and insulating ceramic pipe, the even coiling of resistance body is on insulating ceramic pipe, and insulating ceramic pipe both ends are fixed on the support, binding post sets up at insulating ceramic pipe both ends to be connected with resistance body electricity, form the resistance return circuit, the metal pull rod is located insulating ceramic pipe, metal pull rod both ends are equipped with lock nut, and it is taut fixed with support and insulating ceramic pipe, the metal pull rod includes first pull rod and second pull rod, and first pull rod and second pull rod are connected through middle insulating part.
The middle insulating part comprises an insulator and two internal thread inserts, the two internal thread inserts are respectively arranged at two ends of the insulator, and external threads are arranged at the inner side ends of the first pull rod and the second pull rod and are respectively connected with the two internal thread inserts in a screwing mode.
Wherein the insulator material is plastic, ceramic or glass.
Wherein, the support is an insulating support.
The utility model has the advantages that: the high-voltage resistor is slightly optimized on the basis of a common resistor used in large quantities, and the specific scheme is that a metal pull rod is divided into two parts, then the two parts are connected by a middle insulating part, the middle insulating part separates the metal pull rod, so that supports at two ends are insulated and isolated, (when the high-voltage resistor is actually used, the suspension potentials on the supports at two ends of the resistor are isolated by the middle insulating part, the creepage distance/electric gap of the resistor is increased), the high-voltage between two connecting terminals is prevented from discharging through the supports and the metal pull rod, so that the common resistor can be applied to high-voltage occasions, the problem of discharging of the common resistor in the high-voltage application occasions due to insufficient electric gap/creepage distance is solved, and in the overall view, the first pull rod and the second pull rod are consistent with the original metal pull rod in size, only the middle insulating part can be thickened, so as to ensure that, the technical transformation cost is low, the existing manufacturing process of the common resistor is still adopted, the structure is simple, and the installation is convenient.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the high voltage resistor according to the present invention;
fig. 2 is a schematic view of the first pull rod and the second pull rod in a matching relationship with the intermediate insulating member.
Wherein, 1, a bracket; 2. a wiring terminal; 3. a metal tie rod; 31. a first pull rod; 32. a second pull rod; 33. an intermediate insulating member; 331. an insulator; 332. an internal thread insert; 4. a resistor body; 5. an insulating ceramic tube; 6. and (5) locking a nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As the embodiment of high tension resistance, as shown in fig. 1 and fig. 2, including support 1, binding post 2, metal pull rod 3, resistance body 4 and insulating ceramic pipe 5, the even coiling of resistance body 4 is on insulating ceramic pipe 5, and 5 both ends of insulating ceramic pipe are fixed on support 1, binding post 2 sets up at 5 both ends of insulating ceramic pipe to be connected with resistance body 4 electricity, form the resistance return circuit, metal pull rod 3 is located insulating ceramic pipe 5, 3 both ends of metal pull rod are equipped with lock nut 6, and it is fixed with support 1 and 5 tensioning of insulating ceramic pipe, metal pull rod 3 includes first pull rod 31 and second pull rod 32, and first pull rod 31 and second pull rod 32 are connected through middle insulating part 33.
The high-voltage resistor is slightly optimized on the basis of a common resistor used in large quantities, and the specific scheme is that the metal pull rod 3 is divided into two parts, then the two parts are connected by the middle insulating part 33, the middle insulating part 33 separates the metal pull rod 3, so that the supports 1 at the two ends are insulated and isolated, (when in actual use, the suspension potentials on the supports at the two ends of the resistor are isolated by the middle insulating part, the creepage distance/electric clearance of the resistor is increased), the high-voltage between the two wiring terminals 2 is prevented from discharging through the supports 1 and the metal pull rod 3, so that the common resistor can be applied to high-voltage occasions, the problem of discharging of the common resistor in the high-voltage application occasions due to insufficient electric clearance/creepage distance is solved, and in the whole, the first pull rod 31 and the second pull rod 32 are consistent with the original metal pull rod in size, and only the middle insulating part 33 is thickened to ensure sufficient tensile strength, the technical transformation cost is low, the existing manufacturing process of the common resistor is still adopted, the structure is simple, and the installation is convenient.
In this embodiment, as shown in fig. 2, the intermediate insulating member 33 includes an insulating body 331 and two female screw inserts 332, the two female screw inserts 332 are respectively disposed at two ends of the insulating body 331, and the inner ends of the first pull rod 31 and the second pull rod 32 are provided with male screws and are respectively screwed with the two female screw inserts 332. The intermediate insulating member 33 is also called an insulator, is commonly known as an SM series, is a common standard member, can be directly purchased in the market, and does not need to be manufactured by opening a mold.
In this embodiment, the insulator 331 is made of plastic, ceramic or glass, and may be organic or inorganic, and may be selected according to actual requirements, and the specific shape and size may also be adjusted according to actual requirements.
In the present embodiment, the support 1 is an insulating support.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. The utility model provides a high-voltage resistor, includes support, binding post, metal pull rod, resistance body and insulating ceramic tube, the even coiling of resistance body is on insulating ceramic tube, and insulating ceramic tube both ends are fixed on the support, binding post sets up at insulating ceramic tube both ends to be connected with resistance body electricity, form the resistance return circuit, the metal pull rod is located insulating ceramic tube, metal pull rod both ends are equipped with lock nut, and it is taut fixed with support and insulating ceramic tube, its characterized in that, the metal pull rod includes first pull rod and second pull rod, and first pull rod and second pull rod are connected through middle insulator.
2. The high-voltage resistor according to claim 1, wherein the intermediate insulator comprises an insulator and two internally threaded inserts, the two internally threaded inserts are respectively disposed at two ends of the insulator, and the inner ends of the first and second tie rods are respectively provided with external threads and are respectively screwed with the two internally threaded inserts.
3. The high voltage resistor of claim 2, wherein the insulator material is plastic, ceramic, or glass.
4. The high voltage resistor according to claim 1, characterized in that the support is an insulating support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020964937.1U CN212380213U (en) | 2020-06-01 | 2020-06-01 | High-voltage resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020964937.1U CN212380213U (en) | 2020-06-01 | 2020-06-01 | High-voltage resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212380213U true CN212380213U (en) | 2021-01-19 |
Family
ID=74179691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020964937.1U Active CN212380213U (en) | 2020-06-01 | 2020-06-01 | High-voltage resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212380213U (en) |
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2020
- 2020-06-01 CN CN202020964937.1U patent/CN212380213U/en active Active
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