CN221040701U - Improved resistance shielding structure - Google Patents
Improved resistance shielding structure Download PDFInfo
- Publication number
- CN221040701U CN221040701U CN202321900466.8U CN202321900466U CN221040701U CN 221040701 U CN221040701 U CN 221040701U CN 202321900466 U CN202321900466 U CN 202321900466U CN 221040701 U CN221040701 U CN 221040701U
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- China
- Prior art keywords
- shielding
- shielding structure
- resistor
- resistor body
- inner walls
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims abstract description 10
- 238000004804 winding Methods 0.000 claims abstract description 8
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 229920002379 silicone rubber Polymers 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000002250 absorbent Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 13
- 230000009471 action Effects 0.000 description 3
- WBLJAACUUGHPMU-UHFFFAOYSA-N copper platinum Chemical compound [Cu].[Pt] WBLJAACUUGHPMU-UHFFFAOYSA-N 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Details Of Resistors (AREA)
Abstract
The utility model relates to an improved resistor shielding structure which comprises a resistor body, wherein shielding covers are movably arranged on the outer surfaces of the front side and the rear side of the resistor body, metal caps are movably arranged in the two shielding covers, a shielding layer is arranged in the resistor body, an insulating layer is arranged on the inner wall of the shielding layer, an amorphous iron core is arranged on the inner wall of the insulating layer, signal wires are arranged on the inner wall of the amorphous iron core, screw rods are arranged in the shielding covers, and nuts with the number of two are connected with the outer surface threads of the screw rods. According to the improved resistor shielding structure, when the resistor shielding structure is used, the resistor body is connected in parallel to the amorphous iron core coil, so that high voltage cannot be generated when the current transformer is opened, major fault hidden dangers in the operation of a power system are fundamentally eliminated, the safety of personnel and equipment is guaranteed to the greatest extent, the shielding layer is of a double shielding structure formed by winding copper braid belts and semiconductive crepe paper in a crossing mode, and the shielding effect is good.
Description
Technical Field
The utility model relates to the technical field of resistance shielding, in particular to an improved resistance shielding structure.
Background
With the rapid development of electronic technology, microcomputer relay protection and intelligent ammeter gradually take the leading role, and in relay protection and measurement, the energy flow and information flow of a control part are separated, so that the monitoring equipment does not need a transformer with high power output; meanwhile, due to the rapid development of the power industry, comprehensive automation of a transformer substation, distribution automation and application of a new energy system.
The defects of the traditional partial resistor shielding structure in the existing market are more and more obvious, such as higher energy consumption and unstable performance, in addition, in the assembly structure of the potential resistor, metal caps at two ends of the resistor are not completely assembled in a shielding cover, and hidden danger of discharging exists in the use process, so that an improved resistor shielding structure is proposed.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides an improved resistance shielding structure, which has the advantages of avoiding the danger of generating tip discharge in the use process and the like, and solves the danger problem of generating tip discharge in the use process.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a modified resistance shielding structure, includes the resistance body, the equal movable mounting of both sides surface has the shield cover around the resistance body, two the equal movable mounting in inside of shield cover has the metal cap, the inside of resistance body is equipped with the shielding layer, the inner wall of shielding layer is equipped with the insulating layer, the inner wall of insulating layer is equipped with amorphous iron core, the inner wall of amorphous iron core is equipped with the signal line, the inside of shield cover is equipped with the screw rod, the surface threaded connection of screw rod has the nut that is two in quantity, the surface movable mounting of screw rod has reset spring that is two in quantity.
Further, the shielding layer is a double shielding structure formed by cross winding of copper braid strips and semiconductive crepe paper.
Further, the insulating layer is made of ceramic silicon rubber composite insulating tape, the core deflection of the insulating layer is smaller than 3%, and the left side and the right side of the two reset springs are respectively attached to the inner walls of the metal cap and the shielding cover.
Further, grooves are formed in the outer surfaces of the two shielding cases, and fixing grooves are formed in the inner walls of the two grooves.
Further, the inner walls of the two fixing grooves are matched with the outer surface of the screw, and the two metal caps are located on the outer surface of the screw.
Further, the outer surfaces of the two shielding cases are round, and the water-absorbing resin is uniformly distributed in the resistor body.
Further, the coil on the amorphous iron core is wound in a bidirectional symmetrical mode, then wound clockwise, and copper and platinum are embedded on the outer surface of the insulating layer.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
The improved resistor shielding structure is characterized in that a resistor body is connected in parallel to an amorphous iron core coil when the resistor body is used, so that high voltage cannot be generated when a current transformer is opened, major fault hidden danger in the operation of a power system is fundamentally eliminated, safety of personnel and equipment is guaranteed to the greatest extent, a shielding layer is a double shielding structure formed by winding copper braid belts and semi-conductive crepe paper in a crossing mode, the shielding effect is good, the resistor shielding structure is stable in performance, the appearance of a shielding cover adopts a smooth transition structure, the danger of tip discharge in the use process is avoided, metal caps at two ends of the resistor body are completely assembled in circular holes of the shielding cover, the danger of short circuit caused by spark discharge is avoided, copper platinum is embedded on the outer surface of the shielding layer, a voltage signal is generated by using capacitance ratio, the function of a product is increased, the insulating effect is enhanced, the structure is formed by using a ceramic silicon rubber composite insulating belt, the deflection core degree of the insulating layer is less than 3%, the insulating effect can be enhanced, the danger of tip discharge in the use process can be avoided by using the structures, and the danger of tip discharge in the use process is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a side cross-sectional view of the structure of the present utility model;
Fig. 3 is a front partial cross-sectional view of the structure of the present utility model.
In the figure: 1. a resistor body; 2. a shield; 3. a metal cap; 4. a shielding layer; 5. an insulating layer; 6. an amorphous iron core; 7. a signal line; 8. a screw; 9. a nut; 10. and a return spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, an improved resistor shielding structure in this embodiment includes a resistor body 1, shielding cases 2 are movably mounted on the outer surfaces of the front and rear sides of the resistor body 1, a shielding layer 4 is a double shielding structure formed by winding copper braid strips and semiconductive crepe paper in a crossing manner, the shielding effect is good, the performance is very stable, in addition, by adopting a smooth transition structure to the shape of the shielding cases 2, the danger of tip discharge in the use process is avoided, metal caps 3 are movably mounted inside the two shielding cases 2, a shielding layer 4 is arranged inside the resistor body 1, the metal caps 3 at the two ends of the resistor body 1 are completely assembled in the circular holes of the shielding cases 2, thereby realizing better shielding effect, avoiding the danger of short circuit of tapping windings due to spark discharge, copper platinum is embedded on the outer surface of the shielding layer 4, the capacitor ratio is utilized to generate voltage signals for signal processing, the function of a product is increased, the inner wall of the shielding layer 4 is provided with an insulating layer 5, the insulating layer 5 is made of a ceramic silicon rubber composite insulating tape, the core deflection degree of the insulating layer 5 is less than 3 percent, thereby enhancing the insulating effect, the danger of tip discharge in the use process can be avoided through the structures, the danger problem of tip discharge in the use process is solved, the inner wall of the insulating layer 5 is provided with an amorphous iron core 6, the coil of the amorphous iron core 6 is connected with a resistor body 1 in parallel, thereby avoiding high voltage in the open circuit of a current transformer, fundamentally eliminating major fault hidden trouble in the operation of a power system, maximally guaranteeing the safety of personnel and equipment, the inner wall of the amorphous iron core 6 is provided with a signal wire 7, the inside of shield cover 2 is equipped with screw rod 8, and the surface threaded connection of screw rod 8 has nut 9 that is two in quantity, and the surface movable mounting of screw rod 8 has reset spring 10 that is two in quantity.
In fig. 2, the shielding effect can be enhanced by forming the shielding layer 4 in a double shielding structure by winding a copper braid and a semi-conductive crepe paper alternately.
In fig. 2, copper and platinum are embedded on the outer surface of the insulating layer 5, so that voltage signals can be generated by using capacitance ratio, and the functions of the product are increased.
In fig. 2, the insulating layer 5 is made of a ceramic silicone rubber composite insulating tape, and the eccentricity of the insulating layer 5 is less than 3%, whereby an enhanced insulating effect can be achieved.
In summary, this modified resistance shielding structure, when using, through parallelly connected resistive body 1 on amorphous iron core 6 coil, thereby can not produce high voltage when current transformer opens circuit, fundamentally eliminate the major fault hidden danger in the electric power system operation, the safety of personnel and equipment has been ensured to the maximum extent, and shielding layer 4 is the dual shielding structure that is alternately coiling by copper braid and semiconductive crepe paper, shielding effect is good, it is very stable in performance, in addition, through adopting smooth transition's structure with the appearance of shield cover 2, avoid producing the danger of tip discharge in the use, the metal cap 3 at resistive body 1 both ends is assembled in the circular hole of shield cover 2 completely, thereby realized playing better shielding effect, realized avoiding the tapping winding to produce the danger of short circuit because of spark discharge, and embedded copper platinum at the surface of shielding layer 4, the function that utilizes the capacitance ratio to produce voltage signal, through being ceramic silicon rubber composite insulation tape with the constituent material of insulating layer 5, and the off-core degree of insulating layer 5 is less than 3%, thereby can realize that can realize in the use in the realization of several structures when using the dangerous discharge that can produce the dangerous in the use in the realization of the process of tip discharge.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An improved resistor shielding structure, comprising a resistor body (1), characterized in that: the novel resistor is characterized in that shielding covers (2) are movably mounted on the outer surfaces of the front side and the rear side of the resistor body (1), metal caps (3) are movably mounted in the shielding covers (2), shielding layers (4) are arranged in the resistor body (1), insulating layers (5) are arranged on the inner walls of the shielding layers (4), amorphous iron cores (6) are arranged on the inner walls of the insulating layers (5), signal wires (7) are arranged on the inner walls of the amorphous iron cores (6), screw rods (8) are arranged in the shielding covers (2), nuts (9) with two screw rods are connected with the outer surface threads of the screw rods (8), and reset springs (10) with two numbers are movably mounted on the outer surfaces of the screw rods (8).
2. An improved resistive shielding structure according to claim 1, wherein: the shielding layer (4) is a double shielding structure formed by cross winding of copper braid strips and semiconductive crepe paper.
3. An improved resistive shielding structure according to claim 1, wherein: the insulating layer (5) is made of ceramic silicon rubber composite insulating tape, the core deflection of the insulating layer (5) is smaller than 3%, and the left side and the right side of the two reset springs (10) are respectively attached to the inner walls of the metal cap (3) and the shielding cover (2).
4. An improved resistive shielding structure according to claim 1, wherein: the outer surfaces of the two shielding cases (2) are provided with grooves, and the inner walls of the two grooves are provided with fixing grooves.
5. An improved resistive shielding structure according to claim 4 wherein: the inner walls of the two fixing grooves are matched with the outer surface of the screw rod (8), and the two metal caps (3) are located on the outer surface of the screw rod (8).
6. An improved resistive shielding structure according to claim 1, wherein: the outer surfaces of the two shielding cases (2) are round, and the inside of the resistor body (1) is uniformly distributed with water-absorbent resin.
7. An improved resistive shielding structure according to claim 1, wherein: the coil on the amorphous iron core (6) is wound in a bidirectional symmetrical mode, then wound clockwise, and copper and platinum are embedded on the outer surface of the insulating layer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321900466.8U CN221040701U (en) | 2023-07-19 | 2023-07-19 | Improved resistance shielding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321900466.8U CN221040701U (en) | 2023-07-19 | 2023-07-19 | Improved resistance shielding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221040701U true CN221040701U (en) | 2024-05-28 |
Family
ID=91180443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321900466.8U Active CN221040701U (en) | 2023-07-19 | 2023-07-19 | Improved resistance shielding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221040701U (en) |
-
2023
- 2023-07-19 CN CN202321900466.8U patent/CN221040701U/en active Active
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