CN203434303U - Connection terminal of electrical equipment - Google Patents
Connection terminal of electrical equipment Download PDFInfo
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- CN203434303U CN203434303U CN201320526296.1U CN201320526296U CN203434303U CN 203434303 U CN203434303 U CN 203434303U CN 201320526296 U CN201320526296 U CN 201320526296U CN 203434303 U CN203434303 U CN 203434303U
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Abstract
The utility model provides a connection terminal of electrical equipment. The connection terminal of the electrical equipment mainly comprises a conductor (1), a high-voltage shield body (2), a low-voltage shield body (3) and an insulator (4). The insulator (4) is the main body of the connection terminal and is in an umbrella skirt shape structure in the outer appearance; one end of the insulator (4) wraps and fastens the conductor (1); the opening end of inner cavity at the other end the insulator wraps and fastens the low-voltage shield body (3); one end of the conductor (1) is exposed out of the insulator (4), and the other end of the conductor extends into the cavity of the insulator (4); the high-voltage shield body (2) is positioned on the bottom of the cavity of the insulator (4) and is wrapped on the main body of the conductor (1) arranged in the cavity of the insulator (4). According to the connection terminal of the electrical equipment, the maintenance cost of external power supply lines and electrical equipment connected with the power supply lines is saved, the problem of an electrical equipment interface is solved and the cases of air discharge, flashover and the like generated at the combination area on the surface of a box body of the electrical equipment for the electrical equipment and the external power supply circuits are solved.
Description
Technical field
The utility model relates to the jockey field of electric equipment and supply line, especially relates to the connection terminal of a kind of electric equipment that the electric equipments such as on-pole switch, transformer are connected with supply line.
Background technology
The electric equipments such as on-pole switch of the prior art and being connected of externally fed circuit are generally to adopt bonding conductor that electrical equipment box body inside stretches out directly and the mode of casing externally fed connection, in order to solve creepage distance, the interface problem of electric equipment, the conductor conventionally stretching out in electrical equipment box body inside is built epoxide resin material layer and suit gum sleeve outward.The defect body of this structure is following three aspects now:
The first, due to gum sleeve and epoxide resin material layer employing sleeve structure, after equipment long-time running, gum sleeve and epoxide resin material layer there will be aging lax, cause gum sleeve and epoxy resin layer interfacial pressure to produce not electric discharge phenomena.
Second, the part out of doors such as gum sleeve, epoxy resin layer is compared with easy damaged or aging, once externally supply line or electric equipment maintenance find that gum sleeve or epoxy resin layer lost efficacy, need to dismantle electrical equipment box body, even change electric equipment integral body, cause renewal cost costliness and replacement cycle long.
The 3rd, the electric equipment interiors of products such as existing on-pole switch do not have earth shield, earth potential is electric component box surface, easily like this causes that electric component box surface produces the phenomenons such as atmospherical discharges, flashover in the bonding conductor stretching out with the electrical equipment box body inside region that combines.
Utility model content
The technical problems to be solved in the utility model is: the problem existing for prior art, a kind of connection terminal of electric equipment is provided, solve electric equipment and produce the phenomenons such as atmospherical discharges, flashover with the calmodulin binding domain CaM of externally fed circuit in electric component box surface, and the maintenance cost of the electric equipment that is connected of saving externally fed circuit He Yu supply line.
The technical problems to be solved in the utility model realizes by the following technical solutions: a kind of connection terminal of electric equipment, mainly comprise conductor, high-tension shielding body and low pressure shield and insulator, described insulator is to connect terminal body, its profile is full skirt shape structure, the full skirt body not waited by several diameters rearranges, one end of insulator conductor that is coated and fixed, other end inside is cavity type structure, the openend of the described cavity low pressure shield that is coated and fixed; Outside one end of described conductor main body, be exposed at insulator body outside, the other end extends to insulator cavity inside; Described high-tension shielding body is positioned at insulator cavity bottom and is coated in the conductor main body that is positioned at insulator cavity inside.
Further, described conductor is comprised of two parts cylinder, and its main part cylinder is coated and fixed in insulator body part, and conductor main part cylinder diameter is greater than the connection contact cylinder diameter that conductor is positioned at insulator cavity inside.
Further, described high-tension shielding phosphor bodies is coated and fixed in conductor main body, high-tension shielding phosphor bodies is provided with the 3rd projection to insulator cavity openend bearing of trend, the connection contact of the 3rd described protruding ring end conductor distributes, and the 3rd projection bottom internal diameter is greater than conductor main part external diameter.
Further, described low pressure shield is provided with the second projection, and the second described projection exposes to the openend end face outside of insulator internal cavities, and other parts of low pressure shield are all coated and fixed inner at insulator.
Further, described low pressure shield inside is provided with toroidal cavity, and the opening direction of described toroidal cavity is consistent with the cavity opening direction of inside, insulator one end.
Further, in the toroidal cavity of described low pressure shield inside, be provided with the first groove (5), the tapered low pressure shielding phosphor bodies inside that is distributed in of the first described groove.
Further, described insulator is provided with the first projection, and the first described projection exposes to the openend end face outside of insulator internal cavities.
Further, described insulator is provided with the second groove, and the second described groove is near the first projection and tapered insulator body inside that is distributed in.
Further, the cavity of inside, described insulator one end is conical cavity, and in described conical cavity two ends, relatively little one end is adjacent with high-tension shielding body, the openend that relatively large one end is insulator.
Compared with prior art, the beneficial effects of the utility model are: inner of the electrical equipment box bodies such as on-pole switch need a protruding normal sleeve, this connection terminal is directly connected with normal sleeve socket, being arranged in the conductor that the bonding conductor stretching out from electrical equipment box body inside of normal sleeve can connect terminal by this is connected in series mutually with externally fed circuit, thereby main body and the externally fed line terminal of having realized the electric equipments such as on-pole switch are separated, in the time need to changing the electrical connection equipment of externally fed circuit, only need to change this connection terminal and not need to dismantle whole electric equipment, saved the maintenance cost of the electric equipment that externally fed circuit He Yu supply line is connected.
This connection terminal fully contacts with the outer metallic surface of electrical equipment box body by low pressure shield, has solved the problem with grounding of low pressure shield; In addition, this connection terminal is introduced into earth potential by low pressure shield the insulator inside that connects terminal, shield interface electric field, produces the phenomenons such as atmospherical discharges, flashover thereby solved electric equipment interface problem and electric equipment and the externally fed circuit calmodulin binding domain CaM in electric component box surface effectively.
This connection terminal is positioned at first on insulator projection and the second groove can guarantee to be connected that first in terminal is protruding fully contacts with the outer metallic surface of the electrical equipment box body such as on-pole switch together, thereby play the effect of waterproof sealing, prevent that steam etc. from entering to electric equipment interiors of products by connecting the joint face of terminal and electrical equipment box body.
Being positioned at the 3rd projection on the high-tension shielding body of this connection terminal insulator inside can shielded electrical the equipment box normal sleeve stretching out and the air electric field that is connected terminal conductor contact area, thereby effectively reduces the electric field strength that connects the normal sleeve contact interface that terminal and electrical equipment box body stretch out.
Accompanying drawing explanation
Fig. 1 is the structural map of the connection terminal of a kind of electric equipment of the utility model.
Fig. 2 is A place partial enlarged drawing in Fig. 1.
Fig. 3 is B place partial enlarged drawing in Fig. 1.
Fig. 4 is the overall installation diagram of the connection terminal of a kind of electric equipment of the utility model.
Mark in figure: 1-conductor, 2-high-tension shielding body, 3-low pressure shield, 4-insulator, 5-the first groove, 6-the first projection, 7-the second projection, 8-the second groove, 9-the 3rd projection, 10-normal sleeve, 11-equipment box, 12-full skirt body, 13-connects contact.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the drawings and specific embodiments, the utility model is elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, a kind of connection terminal of electric equipment, is mainly comprised of conductor 1, high-tension shielding body 2 and low pressure shield 3 and insulator 4.Wherein, described insulator 4 is made by electro-insulating rubber, it is the main body that connects end product, its profile is full skirt shape structure, the full skirt body 12 not waited by several diameters rearranges, the less full skirt body of diameter 12 both sides distribute the full skirt body 12 that diameter is larger are set, and full skirt body 12 alternating sequences that these diameters do not wait are arranged on insulator 4 outer surfaces, and keep suitable spacing between adjacent diameter full skirt body 12 not etc.; One end of insulator 4 conductor 1 that has been coated and fixed, other end inside is conical cavity structure, one end relatively little in described conical cavity two ends is adjacent with high-tension shielding body 2, relatively large one end is the openend of insulator 4, at the openend of the described insulator 4 low pressure shield 3 that has been coated and fixed; Cavity open end outward flange in insulator 4 lower ends is outwards provided with the first projection 6, and the first described projection 6 exposes to the openend end face outside of insulator 4 internal cavities; From the first projection 6, to the relatively little extreme direction of insulator 4, be provided with the second groove 8, described the second groove 8 is near the first projection 6 and tapered insulator 4 body interior that are distributed in, and the openend of the second groove 8 is positioned at insulator 4 outer surfaces.The full skirt shape structure of above-mentioned insulator 4 can increase the creepage distance of product surface, the second groove 8 makes the first projection 6 have certain extendable room, therefore, on insulator 4 first projection 6 can guarantee to be connected the projection of first in terminal 6 with the second groove 8 and fully contact with the outer metallic surface of electrical equipment box body 11, thereby play the effect of waterproof sealing, prevent that steam etc. from entering to electric equipment interiors of products by connecting the joint face of terminal and electrical equipment box body 11.
Above-mentioned conductor 1 is comprised of two parts cylinder, and its material can be copper material or aluminium.The main part cylinder of conductor 1 is coated and fixed in insulator 4 main parts, its one end is exposed in insulator 4 main bodys outside, the other end extends to insulator 4 cavity insides, and the conductor 1 that is positioned at insulator 4 cavity insides forms one and connects contact 13 in end, the main part cylinder diameter of conductor 1 is greater than the cylinder diameter that conductor 1 is positioned at the connection contact 13 of insulator 4 cavity insides, thereby the main part at conductor 1 forms a step with the junction that is connected contact 13, after normal sleeve 10 sockets that connect on terminal and electrical equipment box body 11, this place's step contacts with normal sleeve 10 ends, make the connection contact 13 of conductor 1 be coated on normal sleeve 10 inside completely, being conducive to connect contact 13 fully contacts with the exposed junction that stretches out of electrical equipment box body 11 inner conductors, this place's step can also stop normal sleeve 10 excessive compression conductors 1 simultaneously, guarantee to connect the connection reliability of terminal, fail safe.
Conical cavity at insulator 4 is inner, conductor 1 main body one end is socketed mutually with the high-tension shielding body 2 that adopts semi-conductive rubber to make, described high-tension shielding body 2 is positioned at the bottom of insulator 4 relatively little one end of conical cavity, and its main part is covered by insulator 4 inside and is coated and fixed simultaneously in conductor 1 main body.As shown in Figure 3, the outer surface that is covered by the high-tension shielding body 2 of insulator 4 inside is by the arc structure of radian transition, and on insulator 4 conical cavity openend bearing of trends, form the 3rd projection 9 in high-tension shielding body 2 main bodys, the connection contact 13 of the 3rd described projection 9 ring conductor 1 ends distributes, the 3rd protruding 9 bottom internal diameters are greater than conductor 1 main part external diameter, the 3rd protruding 9 tops are bullet, the end of this bullet is the arc structure of radian transition, and the bottom of the 3rd projection 9 is greater than or equal to 8mm to the distance at top.After normal sleeve 10 sockets on connection terminal and electrical equipment box body 11 put in place, the 3rd projection 9 on high-tension shielding body 2 is coated on normal sleeve 10 ends, these normal sleeve 10 ends are contacted with the step that is connected contact 13 junctions with the 3rd protruding 9 bottoms, conductor 1 main part simultaneously, therefore, electrical equipment box body 11 inner conductors and conductor 1 are completely jointly coated by normal sleeve 10, high-tension shielding body 2 and insulator 4, guarantee to connect connection safety, the reliability of terminal.
The necessary ground connection of connection terminal in practical application, for this reason, in the insulator 4 at conical cavity openend place that connects terminal, low pressure shield 3 is installed, described low pressure shield 3 can adopt semi-conductive rubber to make, it is relative with high-tension shielding body 2, and lays respectively at the conical cavity two ends that connect terminal.As shown in Figure 2, low pressure shield 3 is loop configuration, its main part is coated on insulator 4 inside, and the terminal surface of the blind end of this main part is the arc structure of radian transition, the inside of low pressure shield 3 openends is provided with toroidal cavity, the opening direction of described toroidal cavity is consistent with the conical cavity opening direction of insulator 4 inside, one end, and low pressure shield 3 openends expose to the part of insulator 4 outsides that connect terminal and outwards give prominence to formation the second projection 7, the second described projection 7 exposes to the openend end face outside of insulator 4 internal cavities, other parts of low pressure shield 3 are all coated and fixed in insulator 4 inside, in the toroidal cavity of low pressure shield 3 inside, be provided with the first groove 5, tapered low pressure shield 3 body interior that are distributed in of the first described groove 5, the openend of the first groove 5 is arranged in the toroidal cavity of low pressure shield 3 inside.Such structure can guarantee that the second projection 7 of low pressure shield 3 ends has certain stroke in the toroidal cavity direction along low pressure shield 3 inside.Therefore, the toroidal cavity of low pressure shield 3 inside, the first groove 5 and expose to low pressure shield 3 main bodys second projection 7 these threes can guarantee that together low pressure shield 3 fully contacts with electrical equipment box body 11 metal coverings, thereby solved the problem with grounding of low pressure shield 3.
Adopt the utility model of said structure can increase by the full skirt body 12 on insulator 4 creepage distance of product surface, and, the order permutation and combination of the full skirt body 12 that diameter does not wait can be avoided the edge of rainwater by large full skirt body to connect being aligned reducing creepage distance, so that cause electric equipment external flashover.When concrete practical application, as shown in Figure 4, inner of electrical equipment box body 11 needs a protruding normal sleeve 10, utilize this connection terminal to be directly connected with normal sleeve 10 sockets, be arranged in the conductor 1 that the bonding conductor stretching out from electrical equipment box body 11 inside of normal sleeve 10 can connect terminal by this and be connected in series mutually with externally fed circuit, thereby main body and the externally fed line terminal of having realized the electric equipments such as on-pole switch are separated.Wherein, because the conical cavity of insulator 4 inside, one end has guide effect, facilitate the plug operation of normal sleeve 10, but also be conducive to can fully contact with the conical cavity inner surface of insulator 4 after normal sleeve 10 access insulators 4, make electrical equipment box body 11 the inside conductor stretching out and conductor 1 conductively-closed completely better that is connected terminal.
In the time need to changing the electrical connection equipment of externally fed circuit, only need to change this connection terminal and no longer need to dismantle whole electrical equipment box body 11, saved the maintenance cost of the electric equipment that externally fed circuit He Yu supply line is connected.Simultaneously, the low pressure shield 3 of this connection terminal fully contacts with the outer metallic surface of electrical equipment box body 11, can solve the problem with grounding of low pressure shield 3, again earth potential is introduced into insulator 4 inside that connect terminal, shield interface electric field, produces the phenomenons such as atmospherical discharges, flashover thereby solved electric equipment interface problem and electric equipment and the externally fed circuit calmodulin binding domain CaM in electric component box surface effectively.In addition, the normal sleeve 10 stretching out at electrical equipment box body 11 is provided with a high-tension shielding body 2 with the join domain that is connected terminal, by high-tension shielding body 2 and on the 3rd projection 9 can shielded electrical equipment box 11 normal sleeve 10 stretching out and the air electric field that is connected conductor 1 contact area of terminal, thereby effectively reduce the electric field strength that connects normal sleeve 10 contact interfaces that terminal and electrical equipment box body 11 stretch out.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; it should be pointed out that all any modifications of doing within spirit of the present utility model and principle, be equal to replacement and improvement etc., within all should being included in protection range of the present utility model.
Claims (9)
1. the connection terminal of an electric equipment, it is characterized in that: mainly comprise conductor (1), high-tension shielding body (2) and low pressure shield (3) and insulator (4), described insulator (4) is to connect terminal body, its profile is full skirt shape structure, the full skirt body (12) not waited by several diameters rearranges, one end of insulator (4) conductor (1) that is coated and fixed, other end inside is cavity type structure, the openend of the described cavity low pressure shield (3) that is coated and fixed; Outside one end of described conductor (1) main body, be exposed at insulator (4) main body outside, the other end extends to insulator (4) cavity inside; Described high-tension shielding body (2) is positioned at insulator (4) cavity bottom and is coated in conductor (1) main body that is positioned at insulator (4) cavity inside.
2. the connection terminal of a kind of electric equipment according to claim 1, it is characterized in that: described conductor (1) is comprised of two parts cylinder, its main part cylinder is coated and fixed in insulator (4) main part, and conductor (1) main part cylinder diameter is greater than connection contact (13) cylinder diameter that conductor (1) is positioned at insulator (4) cavity inside.
3. the connection terminal of a kind of electric equipment according to claim 1, it is characterized in that: described high-tension shielding body (2) main body is coated and fixed in conductor (1) main body, high-tension shielding body (2) main body is provided with the 3rd projection (9) to insulator (4) cavity openend bearing of trend, the connection contact (13) of the 3rd described projection (9) ring conductor (1) end distributes, and the 3rd projection (9) bottom internal diameter is greater than conductor (1) main part external diameter.
4. the connection terminal of a kind of electric equipment according to claim 1, it is characterized in that: described low pressure shield (3) is provided with the second projection (7), described the second projection (7) exposes to the openend end face outside of insulator (4) internal cavities, and other parts of low pressure shield (3) are all coated and fixed in insulator (4) inside.
5. according to the connection terminal of a kind of electric equipment described in claim 1 or 4, it is characterized in that: described low pressure shield (3) inside is provided with toroidal cavity, and the opening direction of described toroidal cavity is consistent with the cavity opening direction of insulator (4) inside, one end.
6. the connection terminal of a kind of electric equipment according to claim 5, it is characterized in that: in the toroidal cavity of described low pressure shield (3) inside, be provided with the first groove (5), tapered low pressure shield (3) body interior that is distributed in of described the first groove (5).
7. according to the connection terminal of a kind of electric equipment described in claim 1 to 4 any one, it is characterized in that: described insulator (4) is provided with the first projection (6), described the first projection (6) exposes to the openend end face outside of insulator (4) internal cavities.
8. the connection terminal of a kind of electric equipment according to claim 7, it is characterized in that: described insulator (4) is provided with the second groove (8), described the second groove (8) is near the first projection (6) and tapered insulator (4) body interior that is distributed in.
9. the connection terminal of a kind of electric equipment according to claim 7, it is characterized in that: the cavity of described insulator (4) inside, one end is conical cavity, and one end relatively little in described conical cavity two ends is adjacent with high-tension shielding body (2), and relatively large one end is the openend of insulator (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320526296.1U CN203434303U (en) | 2013-08-27 | 2013-08-27 | Connection terminal of electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320526296.1U CN203434303U (en) | 2013-08-27 | 2013-08-27 | Connection terminal of electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203434303U true CN203434303U (en) | 2014-02-12 |
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ID=50063323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320526296.1U Withdrawn - After Issue CN203434303U (en) | 2013-08-27 | 2013-08-27 | Connection terminal of electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203434303U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441347A (en) * | 2013-08-27 | 2013-12-11 | 成都盛帮密封件股份有限公司 | Connection terminal of electric device |
-
2013
- 2013-08-27 CN CN201320526296.1U patent/CN203434303U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441347A (en) * | 2013-08-27 | 2013-12-11 | 成都盛帮密封件股份有限公司 | Connection terminal of electric device |
| CN103441347B (en) * | 2013-08-27 | 2015-12-30 | 成都盛帮双核科技有限公司 | A kind of connection terminal of electric equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHENGDU SHENGBANG DUAL CORE TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHENGDU SHENGBANG SEAL CO., LTD. Effective date: 20140513 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140513 Address after: 610200, No. two, 1388, Airport Road, Southwest Economic Development Zone, Shuangliu County, Sichuan, Chengdu Patentee after: CHENGDU SHENGBANG SHUANGHE TECHNOLOGY CO., LTD. Address before: 610200, No. 999, south section of twin Road, Chengdu, Sichuan, Shuangliu County Patentee before: Chengdu Shengbang Seals Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140212 Effective date of abandoning: 20151230 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |