CN218768922U - Thermal proportion unit tool structure for arrester resistor disc - Google Patents
Thermal proportion unit tool structure for arrester resistor disc Download PDFInfo
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- CN218768922U CN218768922U CN202223124493.9U CN202223124493U CN218768922U CN 218768922 U CN218768922 U CN 218768922U CN 202223124493 U CN202223124493 U CN 202223124493U CN 218768922 U CN218768922 U CN 218768922U
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- resistor disc
- voltage terminal
- arrester
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Abstract
The utility model discloses a thermal proportion unit tooling structure for a lightning arrester resistance card, which comprises a high-voltage terminal, a low-voltage terminal, an upper connecting plate, a lower connecting plate, an insulating cylinder and a resistance card; the insulating cylinder is arranged between an upper connecting plate and a lower connecting plate which are arranged in parallel, a cavity is arranged in the insulating cylinder, a vent valve is arranged on the upper connecting plate, a through hole is formed in the upper connecting plate, and the vent valve penetrates through the through hole to be communicated with the cavity in the insulating cylinder so as to exhaust gas in the cavity; the high-voltage terminal penetrates through the upper connecting plate, and the wiring end of the high-voltage terminal is arranged on one side, far away from the lower connecting plate, of the upper connecting plate; the low-voltage terminal penetrates through the lower connecting plate, and the wiring end of the low-voltage terminal is arranged on one side of the lower connecting plate, which is far away from the upper connecting plate; the resistance card is arranged in the cavity of the insulating cylinder, one side of the resistance card is contacted with the high-voltage terminal, and the other side of the resistance card is contacted with the low-voltage terminal, so that electric conduction is formed. The utility model provides the high heat equivalence of arrester resistance card with heat proportion unit and arrester.
Description
Technical Field
The utility model relates to an arrester technical field especially relates to an arrester resistance card is with hot proportion unit frock structure.
Background
According to the relevant standard requirements of the lightning arrester product, a heat proportion unit for the lightning arrester resistance card is required to be used in a heat dissipation characteristic test, an action load test and a power frequency endurance time characteristic test related to a type test so as to ensure the heat equivalence of the resistance card and the lightning arrester during the test.
In practical application, some high voltage grade lightning arresters have better thermal insulation performance due to the structural characteristics of the lightning arrester body, however, after a test mechanism conducts a heat dissipation characteristic test on a heat proportion unit provided by a manufacturer, the lightning arrester body often finds that the lightning arrester body cannot achieve better heat equivalence.
Therefore, how to improve the thermal equivalence between the thermal proportion unit for the arrester resistance card and the arrester is a technical problem to be solved by those skilled in the art at present.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a thermal proportion unit frock structure for arrester resistance card to improve the thermal equivalence of thermal proportion unit for arrester resistance card and arrester.
In order to achieve the above object, the present invention provides the following technical solutions:
a thermal proportion unit tooling structure for a lightning arrester resistor disc comprises a high-voltage terminal, a low-voltage terminal, an upper connecting plate, a lower connecting plate, an insulating cylinder and a resistor disc;
the insulating cylinder is arranged between an upper connecting plate and a lower connecting plate which are arranged in parallel, a cavity is arranged in the insulating cylinder, a vent valve is arranged on the upper connecting plate, a through hole is formed in the upper connecting plate, and the vent valve penetrates through the through hole to be communicated with the cavity in the insulating cylinder so as to exhaust gas in the cavity;
the high-voltage terminal penetrates through the upper connecting plate, and the wiring end of the high-voltage terminal is arranged on one side, far away from the lower connecting plate, of the upper connecting plate;
the low-voltage terminal penetrates through the lower connecting plate, and the wiring end of the low-voltage terminal is arranged on one side of the lower connecting plate, which is far away from the upper connecting plate;
the resistance card is arranged in the cavity of the insulating cylinder, one side of the resistance card is contacted with the high-voltage terminal, and the other side of the resistance card is contacted with the low-voltage terminal, so that electric conduction is formed.
Optionally, in the thermal proportion unit tooling structure for the arrester resistor disc, the tooling structure further includes conductive cushion blocks, and the conductive cushion blocks are arranged on two sides of the resistor disc to be connected with the resistor disc.
Optionally, in the above thermal proportional unit tooling structure for the arrester resistor disc, the area of the conductive pad block is equal to the area of the resistor disc.
Optionally, in the above thermal proportional unit tooling structure for a resistor disc of a lightning arrester, the thermal proportional unit tooling structure further includes a compression module, the compression module includes an upper supporting tile, an elastic member and a lower supporting tile, the upper supporting tile is connected with the high-voltage terminal, the lower supporting tile is connected with the resistor disc, the elastic member is arranged between the upper supporting tile and the lower supporting tile, and the elastic member is in a compressed state.
Optionally, in the above thermal proportional unit tooling structure for a lightning arrester resistor disc, the high-voltage terminal and the top supporting tile are connected by a bolt.
Optionally, in the above thermal proportion unit tool structure for the arrester resistor disc, a sealing groove is formed at a joint of the upper connecting plate and/or the lower connecting plate and the insulating cylinder, and a sealing ring is arranged in the sealing groove.
Optionally, in the above thermal proportion unit tool structure for the arrester resistor disc, the thermal proportion unit tool structure further includes an arc isolating cylinder, the arc isolating cylinder is disposed between the insulating cylinder and the resistor disc, and the height of the arc isolating cylinder is the same as that of the insulating cylinder.
Optionally, in the above thermal proportional unit tooling structure for the arrester resistor disc, a groove is formed in the lower connecting plate, and the arc isolating cylinder is detachably arranged in the groove; and/or the arc-isolating cylinder is made of an insulating material.
Optionally, in the above thermal proportional unit tooling structure for a lightning arrester resistor disc, the upper connecting plate, the lower connecting plate and the insulating cylinder are fixed by bolts.
Optionally, in the above thermal proportional unit tooling structure for the arrester resistor disc, the upper connecting plate, the lower connecting plate and the insulating cylinder are made of insulating materials.
The utility model provides a lightning arrester resistance card is with hot proportion unit frock structure includes high-pressure terminal, low voltage terminal, upper junction plate, lower connecting plate, insulating cylinder and resistance card, sets up the insulating cylinder between parallel arrangement's upper junction plate and lower connecting plate. The cavity of the insulating cylinder is connected with the vent valve through the through hole in the upper connecting plate, the inside of the cavity can be vacuumized through the vent valve, and when the inside of the cavity is close to a vacuum state, the transmission of a medium to heat can be reduced, so that the heat insulation performance of the whole structure is improved, and the heat equivalence of the heat proportion unit tool structure for the resistor disc of the lightning arrester and the lightning arrester is improved.
The high-voltage terminal is arranged on the upper connecting plate, the low-voltage terminal is arranged on the lower connecting plate, the high-voltage terminal and the low-voltage terminal are connected with the resistor disc, the metal material dissipates heat faster than the insulating material, the high-voltage terminal and the low-voltage terminal of the metal material are used for replacing the upper connecting plate and the lower connecting plate of the metal material, the size of the metal material in the whole structure is reduced while the connection of a wire in an experiment is realized, the heat dissipation performance of the whole structure is reduced, and the heat equivalence of the heat proportion unit tool structure for the resistor disc of the lightning arrester and the lightning arrester is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an overall structure diagram of a heat proportion unit tooling structure for a lightning arrester resistance card disclosed by the embodiment of the invention;
fig. 2 is an explosion diagram of a thermal proportion unit tooling structure for a lightning arrester resistor disc disclosed by the embodiment of the invention;
fig. 3 is a front view of a thermal proportional unit tooling structure for a lightning arrester resistor disc disclosed in an embodiment of the present invention;
fig. 4 is a front view of a disclosed upper supporting tile according to an embodiment of the present invention;
fig. 5 is a front view of a lower shoe according to an embodiment of the present invention;
the meaning of the various reference numerals in figures 1 to 5 is as follows:
100 is an upper connecting plate; 101 is a high voltage terminal; 102 is a vent valve;
200 is a lower connecting plate; 201 is a low voltage terminal;
300 is an insulating cylinder;
400 is a resistance card; 401 is a conductive cushion block;
500 is a compression module; 501 is a top supporting tile; 502 is an elastic member; 503 is a lower holding tile;
600 is a sealing ring; 700 is an arc-isolating cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 5 of the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without making novelty work belong to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "top surface", "bottom surface", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description and simplification of description, and does not indicate or imply that the position or element referred to must have a specific orientation, be constituted in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 and fig. 2, the utility model discloses a thermal proportion unit tooling structure for arrester resistance card, including high-voltage terminal 101, low-voltage terminal 201, upper junction plate 100, lower junction plate 200, insulating cylinder 300 and resistance card 400, insulating cylinder 300 sets up between upper junction plate 100 and lower junction plate 200 that parallel placed, there is the cavity in insulating cylinder 300, is provided with vent valve 102 on the upper junction plate 100, has seted up the through-hole on the upper junction plate 100, vent valve 102 passes the through-hole and switches on with the cavity in insulating cylinder 300 to discharge the gas in the cavity; the high-voltage terminal 101 penetrates through the upper connecting plate 100, and the terminal of the high-voltage terminal 101 is arranged on one side, far away from the lower connecting plate 200, of the upper connecting plate 100; the low-voltage terminal 201 penetrates through the lower connecting plate 200, and the terminal of the low-voltage terminal 201 is arranged on one side, far away from the upper connecting plate 100, of the lower connecting plate 200; the resistive sheet 400 is disposed in the cavity of the insulating cylinder 300, and one side of the resistive sheet 400 is in contact with the high voltage terminal 101 and the other side is in contact with the low voltage terminal 201 to form electrical conduction.
The insulation barrel 300 is disposed between the upper connection plate 100 and the lower connection plate 200 placed in parallel. The cavity of the insulating cylinder 300 is connected with the vent valve 102 through the through hole in the upper connecting plate 100, the interior of the cavity can be vacuumized through the vent valve 102, and when the interior of the cavity is close to a vacuum state, the transmission of media to heat can be reduced, so that the heat insulation performance of the whole structure is improved, and the heat equivalence of the lightning arrester resistor disc heat proportion unit tool structure and the lightning arrester is improved.
As shown in fig. 3, the high voltage terminal 101 is provided on the upper connection plate 100, the low voltage terminal 201 is provided on the lower connection plate 200, and the resistor 400 is connected through the high voltage terminal 101 and the low voltage terminal 201, and since the metal material dissipates heat faster than the insulating material, the high voltage terminal 101 and the low voltage terminal 201 made of the metal material are used instead of the upper connection plate 100 and the lower connection plate 200 made of the metal material, thereby reducing the volume of the metal material in the entire structure, reducing the heat dissipation performance of the entire structure, and improving the thermal equivalence between the unit fixture structure for the thermal proportion for the arrester resistor and the arrester.
Because metal material dispels the heat faster than insulating material, for reducing metal material's volume in overall structure, set up the material of upper junction plate 100 and lower connecting plate 200 into insulating material. In order to ensure the heat insulation performance of the thermal proportion unit tooling structure for the arrester resistor disc, the insulating cylinder 300 is made of an insulating material.
The interior of the cavity is vacuumized through the vent valve 102, so that the interior of the cavity is close to a vacuum state, a sealing groove is formed in the joint of the upper connecting plate 100 and/or the lower connecting plate 200 and the insulating cylinder 300 for further enhancing the air tightness of the whole structure, and a sealing ring 600 is arranged in the sealing groove. Through the setting of sealing washer 600, realize the arrester resistance card with the good thermal insulation effect of heat proportion unit frock structure, improve overall structure's thermal insulation performance, reach the thermal equivalence with the arrester.
For improving the stability of the whole structure, the connection between the upper connecting plate 100, the lower connecting plate 200 and the insulating cylinder 300 is more stable, the upper connecting plate 100 and the lower connecting plate 200 are provided with threaded holes, and the insulating cylinder 300 is fixed on the upper connecting plate 100 and the lower connecting plate 200 through bolts.
In order to optimize the technical scheme and ensure stable electric contact of the heat proportion unit tooling structure for the arrester resistance card in the use process and reduce the possibility of electric breakdown or other bad phenomena caused by contact gaps, the two sides of the resistance card 400 are provided with the conductive cushion blocks 401 to be connected with the resistance card 400. The conductive pads 401 are electrically connected by contacting with the resistive sheet 400, and the thickness of the conductive pads 401 can be adjusted for different thicknesses of the resistive sheet 400 to reduce the possibility of contact gaps.
Each test involved in the model test has certain destructiveness, the resistor disc 400 is directly connected with the high-voltage terminal 101 or the low-voltage terminal 201, the high-voltage terminal 101 and the low-voltage terminal 201 can be damaged due to arc ablation generated by the test, the subsequent test is affected, and the high-voltage terminal 101 and the low-voltage terminal 201 are used as a part of the upper connecting plate 100 and the lower connecting plate 200, and replacement is difficult. After the conductive cushion block 401 is added, the arc generated in the test ablates to damage the conductive cushion block 401 and protect the high-voltage terminal 101 and the low-voltage terminal 201, so that the conductive cushion block 401 is easier to replace, and the cost is lower. Meanwhile, the addition of the conductive cushion block 401 is beneficial to heat absorption in the test process and is beneficial to test passing to a certain extent.
Further, the area of the conductive pad 401 is set to be equal to the area of the resistive sheet 400, so as to reduce the possibility of occurrence of a contact gap and ensure the stability of electrical contact.
The utility model discloses an in the embodiment, set up between resistance card 400 and high voltage terminal 101 and compress tightly module 500, compress tightly module 500 and include pop-up tile 501, elastic component 502 and lower support tile 503, pop-up tile 501 and lower support tile 503's structure is shown in fig. 4 and 5, pop-up tile 501 is connected with high voltage terminal 101, lower support tile 503 is connected with resistance card 400, elastic component 502 sets up between pop-up tile 501 and lower support tile 503, elastic component 502 is in the compression state. It should be noted that, since in an embodiment, the conductive pads 401 are disposed on two sides of the resistive sheet 400, the lower back-up pad 503 may also be connected to the conductive pads 401. The elastic force of the compressed elastic piece 502 on the lower supporting tile 503 enables the connection between the lower supporting tile 503 and the conductive cushion block 401 to be tighter, and the electric contact of the heat proportion unit tool structure for the arrester resistance card is more stable in use.
Further, in order to ensure that the connection between the upper supporting tile 501 and the high voltage terminal 101 is more stable, the upper supporting tile 501 and the high voltage terminal 101 are connected through a bolt. A through hole is formed in the center of the upper supporting tile 501, a threaded hole is formed in the center of one side, connected with the upper supporting tile 501, of the high-voltage terminal 101, and a bolt penetrates through the through hole and the threaded hole to fix the upper supporting tile 501 on the high-voltage terminal 101. The lower supporting tile 503 is tightly attached to the conductive pad block 401 under the elastic force of the elastic piece 502, the conductive pad block 401 is connected with the resistor disc 400, and the low-voltage terminal 201 and the conductive pad block 401 form electric contact, so that electric conduction is formed.
The utility model provides a lightning arrester resistance card is with hot proportion unit frock structure in the use, because the reason of resistance card 400 self characteristic, arc ablation phenomenon probably appears, causes the damage of the spare part material that uses insulating material as the owner around the resistance card 400, and the spare part material that uses insulating material as the owner here indicates insulating cylinder 300. The arc insulation cylinder 700 is arranged between the insulation cylinder 300 and the resistance card 400, the height of the arc insulation cylinder 700 is consistent with that of the insulation cylinder 300, the insulation cylinder 300 can be protected from arc erosion, and when an arc occurs, the arc insulation cylinder 700 can replace the insulation cylinder 300 to bear damage. When the resistance card 400 is subjected to electric breakdown to generate electric arcs, and therefore damage is caused to surrounding media, repeated use can be achieved by replacing the arc isolating cylinder 700, work efficiency can be improved, and use cost is reduced.
It should be noted that, in order to ensure the protection effect of the arc-isolating cylinder 700 on the insulating cylinder 300, the arc-isolating cylinder 700 is made of an insulating material, and there is no electrical contact between the arc-isolating cylinder 700 and the upper connecting plate 100, the lower connecting plate 200, and the insulating cylinder 300.
Furthermore, a groove is formed in the lower connecting plate 200, and the arc isolating cylinder 700 is detachably arranged in the groove, so that the position of the arc isolating cylinder 700 in the insulating cylinder 300 can be fixed, the phenomenon of position deviation cannot occur, and the stability of the arc isolating cylinder 700 is improved.
It should be noted that the elastic member 502 may be a spring, a torsion spring, or other structures having an elastic function, and in the embodiment of the present invention, the elastic member 502 is a spring.
It should be noted that the utility model provides a can be used to arrester technical field or other fields. The other field is any field other than the technical field of lightning arresters. The above-mentioned is the example only, and is not to the utility model provides an application area of arrester resistance card is with hot proportion unit frock structure limits.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A thermal proportion unit tooling structure for a lightning arrester resistor disc is characterized by comprising a high-voltage terminal (101), a low-voltage terminal (201), an upper connecting plate (100), a lower connecting plate (200), an insulating cylinder (300) and a resistor disc (400);
the insulation cylinder (300) is arranged between the upper connecting plate (100) and the lower connecting plate (200) which are arranged in parallel, a cavity is formed in the insulation cylinder (300), a vent valve (102) is arranged on the upper connecting plate (100), a through hole is formed in the upper connecting plate (100), and the vent valve (102) penetrates through the through hole to be communicated with the cavity in the insulation cylinder (300) so as to exhaust gas in the cavity;
the high-voltage terminal (101) penetrates through the upper connecting plate (100), and a terminal of the high-voltage terminal (101) is arranged on one side, away from the lower connecting plate (200), of the upper connecting plate (100);
the low-voltage terminal (201) penetrates through the lower connecting plate (200), and the terminal of the low-voltage terminal (201) is arranged on one side, away from the upper connecting plate (100), of the lower connecting plate (200);
the resistor disc (400) is arranged in the cavity of the insulating cylinder (300), one side of the resistor disc (400) is in contact with the high-voltage terminal (101), and the other side of the resistor disc is in contact with the low-voltage terminal (201) to form electric conduction.
2. The thermal proportion unit tooling structure for the arrester resistor disc according to claim 1, further comprising conductive spacers (401), wherein the conductive spacers (401) are arranged on two sides of the resistor disc (400) to be connected with the resistor disc (400).
3. The thermal proportion unit tooling structure for the arrester resistor disc according to claim 2, wherein the area of the conductive pad block (401) is equal to the area of the resistor disc (400).
4. The thermal proportion unit tooling structure for the arrester resistor disc according to claim 1, further comprising a compression module (500), wherein the compression module (500) comprises an upper supporting tile (501), an elastic member (502) and a lower supporting tile (503), the upper supporting tile (501) is connected with the high-voltage terminal (101), the lower supporting tile (503) is connected with the resistor disc (400), the elastic member (502) is arranged between the upper supporting tile (501) and the lower supporting tile (503), and the elastic member (502) is in a compressed state.
5. The thermal proportional unit tooling structure for the arrester resistor disc according to claim 4, characterized in that the high-voltage terminal (101) and the upper supporting tile (501) are connected through a bolt.
6. The thermal proportion unit tooling structure for the arrester resistor disc according to claim 1, wherein a sealing groove is formed at the joint of the upper connecting plate (100) and/or the lower connecting plate (200) and the insulating cylinder (300), and a sealing ring (600) is arranged in the sealing groove.
7. The thermal proportion unit tooling structure for the arrester resistor disc according to claim 1, further comprising an arc insulation cylinder (700), wherein the arc insulation cylinder (700) is arranged between the insulating cylinder (300) and the resistor disc (400), and the height of the arc insulation cylinder (700) is consistent with the height of the insulating cylinder (300).
8. The thermal proportion unit tooling structure for the arrester resistor disc according to claim 7, wherein a groove is formed on the lower connecting plate (200), and the arc-isolating cylinder (700) is detachably arranged in the groove; and/or the arc isolating cylinder (700) is made of an insulating material.
9. The thermal proportional unit tooling structure for the arrester resistor disc according to claim 1, wherein the upper connecting plate (100), the lower connecting plate (200) and the insulating cylinder (300) are fixed by bolts.
10. The thermal proportional unit tooling structure for the arrester resistor disc according to claim 1, wherein the upper connecting plate (100), the lower connecting plate (200) and the insulating cylinder (300) are made of insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223124493.9U CN218768922U (en) | 2022-11-23 | 2022-11-23 | Thermal proportion unit tool structure for arrester resistor disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223124493.9U CN218768922U (en) | 2022-11-23 | 2022-11-23 | Thermal proportion unit tool structure for arrester resistor disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218768922U true CN218768922U (en) | 2023-03-28 |
Family
ID=85675195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223124493.9U Active CN218768922U (en) | 2022-11-23 | 2022-11-23 | Thermal proportion unit tool structure for arrester resistor disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218768922U (en) |
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- 2022-11-23 CN CN202223124493.9U patent/CN218768922U/en active Active
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