CN214044072U - Contact conductive structure and protective equipment - Google Patents

Contact conductive structure and protective equipment Download PDF

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Publication number
CN214044072U
CN214044072U CN202120037777.0U CN202120037777U CN214044072U CN 214044072 U CN214044072 U CN 214044072U CN 202120037777 U CN202120037777 U CN 202120037777U CN 214044072 U CN214044072 U CN 214044072U
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Prior art keywords
contact
conductive
contact finger
conduction structure
conductive sleeve
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CN202120037777.0U
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Chinese (zh)
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赵菊芬
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Xiamen Shengli Electronic Technology Co ltd
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Xiamen Shengli Electronic Technology Co ltd
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Abstract

The utility model provides a contact conductive structure and a protection device; the contact conductive structure comprises a pole housing with a receiving cavity, a first conductive sleeve arranged at the upper part of the receiving cavity and a second conductive sleeve arranged at the lower part of the receiving cavity; the inner cavity of the first conductive sleeve is provided with a first conductive spring contact finger, and the inner cavity of the second conductive sleeve is provided with a second conductive spring contact finger. The utility model discloses the advantage: the structure is simple, the volume is small, the material consumption is less, and the cost is low; the high-voltage switch can transmit strong current in a small space, can meet the requirement of small size of the space in design, is suitable for compact design, is beneficial to simplifying the design of devices, and is suitable for being used in various static or dynamic medium-high voltage environments; the multi-point contact has high concentration force, almost no loss contact can be realized, the conductivity is good, and the method is suitable for various electric contact designs; meanwhile, the service and operation temperature of the device is lower, and the service life is longer.

Description

Contact conductive structure and protective equipment
[ technical field ] A method for producing a semiconductor device
The utility model discloses distribution protection equipment field, a special design contact conductive structure and protective apparatus.
[ background of the invention ]
The boundary switch equipment is a protection equipment for a distribution branch line, and when a distribution line branch or a user side has a fault, if the relay protection action time limit of the boundary switch equipment is not matched with the relay protection action time limit of a substation outgoing line switch of a power supply company, the outgoing line switch of the substation can be switched off. When the existing demarcation switch equipment is used specifically, the problems that the structure of a device is not compact enough and the contact of a fuse is not good exist. In view of the above problems, the present inventors have conducted extensive studies and have made the present invention.
[ Utility model ] content
The to-be-solved technical problem of the utility model lies in providing a contact conductive structure and protective apparatus, solves current protective apparatus and has the device structure compact enough, the not good problem of fuse contact.
The utility model discloses a realize like this: a contact conduction structure comprises a pole housing with a receiving chamber, a first conduction sleeve arranged at the upper part of the receiving chamber and a second conduction sleeve arranged at the lower part of the receiving chamber; the inner cavity of the first conductive sleeve is provided with a first conductive spring contact finger, and the inner cavity of the second conductive sleeve is provided with a second conductive spring contact finger.
Furthermore, the inner cavity of the first conductive sleeve is annularly provided with a first contact finger installation groove.
Furthermore, the first conductive spring contact finger is installed in the first contact finger installation groove, and the first conductive spring contact finger is partially exposed out of the first contact finger installation groove.
Further, the first contact finger mounting groove is an arc-shaped groove.
Furthermore, a second contact finger installation groove is annularly arranged in the inner cavity of the second conductive sleeve.
Furthermore, the second conductive spring contact finger is installed in the second contact finger installation groove, and the second conductive spring contact finger is partially exposed out of the second contact finger installation groove.
Further, the second contact finger mounting groove is an arc-shaped groove.
Further, the contact conductive structure further comprises an incoming cable connected with the first conductive sleeve and extending out of the pole housing.
Furthermore, the contact conductive structure further comprises an outgoing cable connected with the second conductive sleeve and extending out of the pole housing.
Furthermore, the pole housing is formed by pouring engineering plastics.
Furthermore, the pole housing is a housing formed by pouring an epoxy resin material or a composite nylon material.
Furthermore, the first conductive sleeve, the second conductive sleeve, the incoming cable, the outgoing cable and the pole housing are cast into a whole.
Further, the cavity inlet of the receiving cavity is located at the bottom of the pole housing.
Further, the inner cavity of the second conductive sleeve forms a through hole for the fuse to pass through.
Further, the outer side wall of the second conductive sleeve is provided with an outlet cable insertion opening.
Further, the first conductive sleeve is disposed at a top of the receiving chamber.
Furthermore, the upper end of the first conductive sleeve is provided with an inlet cable insertion opening.
A protective device comprising a contact conductive structure and a fuse as described above; the fuse is installed in the receiving cavity of the pole housing; the upper end of the fuse is provided with a first conductive part in contact with the first conductive spring contact finger for conduction, and the lower end of the fuse is provided with a second conductive part in contact with the second conductive spring contact finger for conduction.
The utility model has the advantages that:
firstly, the method comprises the following steps: the invention adopts the technical scheme that the first conductive spring contact finger is arranged in the inner cavity of the first conductive sleeve, and the second conductive spring contact finger is arranged in the inner cavity of the second conductive sleeve, so that the invention has the following beneficial effects in specific use: 1. the structure is simple, the volume is small, the material consumption is less, and the cost is low; the high-voltage switch can transmit strong current in a small space, can meet the requirement of small size of the space in design, is suitable for compact design, is beneficial to simplifying the design of devices, and is suitable for being used in various static or dynamic medium-high voltage environments; 2. the multi-point contact has high concentration force, almost no loss contact can be realized, the conductivity is good, and the method is suitable for various electric contact designs; meanwhile, the service and operation temperature of the device is lower, and the service life is longer; 3. the contact pressure of each contact point is not high, and the wear resistance is good; 4. the unique structure makes it have a wide working range; each coil will independently compensate for contact and surface variations, allowing for larger tolerances at the contact surface; the method has larger adaptability to machining errors and assembly errors, and is more suitable for large-scale production.
Secondly, the method comprises the following steps: with first electrically conductive external member, the electrically conductive external member of second, inlet wire cable, be qualified for the next round of competitions cable and utmost point post casing pouring and form an organic whole, have following beneficial effect: 1. the casting process is used for integral casting molding, so that the assembly process is simplified, the production efficiency is improved, and the firmness is good; meanwhile, the insulation performance of the cast pole shell is good, the insulation and voltage resistance level can be improved, and the use safety of high-voltage power distribution is ensured; 2. the sealing performance can be ensured, the influence of the external severe environment on the first conductive external member, the second conductive external member, the connecting end of the incoming cable and the connecting end of the outgoing cable is avoided, and the service life is prolonged; 3. can ensure compact and beautiful integral structure and reduce occupied space.
[ description of the drawings ]
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
FIG. 1 is a schematic view of a contact conducting structure according to the present invention when the fuse is not installed;
fig. 2 is a schematic structural diagram of a first conductive sleeve when a first conductive spring finger is installed in the present invention;
fig. 3 is a schematic structural diagram of the first conductive sleeve of the present invention when the first conductive spring finger is not installed;
fig. 4 is a schematic structural view of a second conductive sleeve when the second conductive spring contact finger is installed in the present invention;
fig. 5 is a schematic structural diagram of the second conductive sleeve when the second conductive spring finger is not installed in the present invention;
fig. 6 is a schematic structural diagram of a contact conductive structure when a fuse is installed.
Description of reference numerals:
1-pole housing, 11-receiving chamber, 111-cavity inlet, 2-first conductive external member, 21-first contact finger installation groove, 22-incoming cable insertion opening, 3-second conductive external member, 31-second contact finger installation groove, 32-through hole, 33-outgoing cable insertion opening, 4-first conductive spring contact finger, 5-second conductive spring contact finger, 6-fuse, 7-incoming cable and 8-outgoing cable.
[ detailed description ] embodiments
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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 creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Detailed description of the preferred embodiment 1
Referring to fig. 1 to 6, a preferred embodiment of a contact conductive structure of the present invention includes a pole housing 1 having a receiving chamber 11, a first conductive sleeve 2 disposed at an upper portion of the receiving chamber 11, and a second conductive sleeve 3 disposed at a lower portion of the receiving chamber 11; the inner cavity of the first conductive sleeve 2 is provided with a first conductive spring contact finger 4, and the inner cavity of the second conductive sleeve 3 is provided with a second conductive spring contact finger 5.
The invention adopts the technical scheme that the first conductive spring contact finger 4 is arranged in the inner cavity of the first conductive sleeve 2, and the second conductive spring contact finger 5 is arranged in the inner cavity of the second conductive sleeve 3, so that the invention has the following beneficial effects in specific use: 1. the structure is simple, the volume is small, the material consumption is less, and the cost is low; the high-voltage switch can transmit strong current in a small space, can meet the requirement of small size of the space in design, is suitable for compact design, is beneficial to simplifying the design of devices, and is suitable for being used in various static or dynamic medium-high voltage environments; 2. the multi-point contact has high concentration force, almost no loss contact can be realized, the conductivity is good, and the method is suitable for various electric contact designs; meanwhile, the service and operation temperature of the device is lower, and the service life is longer; 3. the contact pressure of each contact point is not high, and the wear resistance is good; 4. the unique structure makes it have a wide working range; each coil will independently compensate for contact and surface variations, allowing for larger tolerances at the contact surface; the method has larger adaptability to machining errors and assembly errors, and is more suitable for large-scale production.
In this embodiment, in order to facilitate the installation of the first conductive spring contact finger 4 in the inner cavity of the first conductive sleeve 2, the inner cavity of the first conductive sleeve 2 is annularly provided with a first contact finger installation groove 21.
In this embodiment, the first conductive spring contact finger 4 is installed in the first contact finger installation groove 21, and the first conductive spring contact finger 4 is partially exposed out of the first contact finger installation groove 21, so that after the fuse 6 is installed in the receiving cavity 11, one end of the fuse 6 can be in contact with the first conductive spring contact finger 4 for conducting electricity.
In this embodiment, the first finger mounting groove 21 is a circular arc groove. Because the spring contact finger generally adopts the design of a circular ring structure, in order to realize better contact effect by matching with the first conductive spring contact finger 4, the first contact finger mounting groove 21 is designed to be a circular arc-shaped groove.
In this embodiment, in order to facilitate the installation of the second conductive spring contact finger 5 in the inner cavity of the second conductive sleeve 3, the inner cavity of the second conductive sleeve 3 is annularly provided with a second contact finger installation groove 31.
In this embodiment, the second conductive spring contact finger 5 is installed in the second contact finger installation groove 31, and the second conductive spring contact finger 5 is partially exposed out of the second contact finger installation groove 31, so that the other end of the fuse 6 can be electrically contacted with the second conductive spring contact finger 5 after the fuse 6 is installed in the receiving cavity 11.
In this embodiment, the second finger mounting groove 31 is a circular arc groove. Because the spring contact finger generally adopts the design of a circular ring structure, in order to realize better contact effect by matching with the second conductive spring contact finger 5, the second contact finger mounting groove 31 is designed to be a circular arc-shaped groove.
In this embodiment, the contact conductive structure further includes an incoming cable 7 connected to the first conductive sleeve 2 and extending out of the terminal housing 1, so as to electrically connect a high voltage to the fuse 6, thereby protecting the electrical safety of the user side.
In this embodiment, the contact conductive structure further includes an outgoing cable 8 connected to the second conductive sleeve 3 and extending out of the terminal housing 1, so as to connect the high-voltage power to the user side and meet the power supply requirement of the user side.
In this embodiment, the pole housing 1 is a housing formed by casting engineering plastics. The pole housing 1 is formed by pouring engineering plastics, so that the pole housing 1 can be ensured to have good insulativity, and the use safety is ensured.
In this embodiment, as a best implementation mode, in order to achieve a better insulation effect and ensure reliability, the pole housing 1 is a housing formed by pouring an epoxy resin material or a composite nylon material.
In this embodiment, the first conductive sleeve 2, the second conductive sleeve 3, the incoming cable 7, the outgoing cable 8 and the pole housing 1 are integrally cast. In specific implementation, the first conductive sleeve 2, the second conductive sleeve 3, the incoming cable 7 and the outgoing cable 8 are placed in a mold, and then the pole housing 1 is cast through a casting process, so that the first conductive sleeve 2, the second conductive sleeve 3, the incoming cable 7 and the outgoing cable 8 are all combined and fixed together by the pole housing 1. For example, when an epoxy material is used, the casting may be performed by an APG casting process, which is mainly applied to the production of medium and high voltage epoxy insulation products.
The utility model discloses a with first electrically conductive external member 2, the electrically conductive external member 3 of second, inlet wire cable 7, be qualified for the next round of competitions cable 8 and 1 pouring of utmost point post casing and form integratively, have following beneficial effect: 1. the casting process is used for integral casting molding, so that the assembly process is simplified, the production efficiency is improved, and the firmness is good; meanwhile, the insulation performance of the cast pole housing 1 is good, the insulation and voltage resistance level can be improved, and the use safety of high-voltage power distribution is ensured; 2. the sealing performance can be ensured, the influence of the external severe environment on the connecting ends of the first conductive sleeve 2, the second conductive sleeve 3, the incoming cable 7 and the outgoing cable 8 is avoided, and the service life is prolonged; 3. can ensure compact and beautiful integral structure and reduce occupied space.
In this embodiment, the cavity entrance 111 of the receiving chamber 11 is located at the bottom of the pole housing 1 for ease of installation and use.
In the present embodiment, in order to facilitate the installation and the conductive connection of the fuse 6, the inner cavity of the second conductive sleeve 3 forms a through hole 32 through which the fuse 6 passes.
In the present embodiment, in order to facilitate the conductive connection between the outgoing cable 8 and the second conductive sleeve 3, the outer sidewall of the second conductive sleeve 3 has an outgoing cable insertion opening 33. Before the pole housing 1 is poured, the inner core of the outgoing cable 8 needs to be inserted into the outgoing cable insertion opening 33 and then poured, so as to ensure that the outgoing cable 8 and the second conductive external member 3 are firmly fixed together.
In this embodiment, the first conductive sleeve 2 is arranged on top of the receiving chamber 11 to facilitate connection of the incoming cable 7 and to make the overall structure more compact.
In this embodiment, in order to facilitate the conductive connection of the incoming cable 7 with the first conductive sleeve 2, the upper end of the first conductive sleeve 2 has an incoming cable insertion opening 22. Before pouring the pole housing 1, the inner core of the incoming cable 7 needs to be inserted into the incoming cable insertion opening 22 and then poured, so as to ensure that the incoming cable 7 and the first conductive sleeve 2 are firmly fixed together.
Specific example 2
Referring to fig. 1 to 6, a preferred embodiment of a protection device of the present invention includes the contact conductive structure and the fuse 6; the fuse 6 is mounted in the receiving chamber 11 of the pole housing 1; the fuse 6 has a first conductive part 61 at the upper end for contacting and conducting with the first conductive spring contact finger 4, and a second conductive part 62 at the lower end for contacting and conducting with the second conductive spring contact finger 5, so as to realize the conductive function. The detailed structure of the contact conductive structure refers to the description of embodiment 1, and the description is not repeated here.
The utility model discloses well design fuse 6 has first conductive part 61 and second conductive part 62 to make first conductive part 61 touch to indicate 4 through first conductive spring and be connected with electrically conductive of first conductive external member 2, make second conductive part 62 touch to indicate 5 through second conductive spring and be connected with electrically conductive of second conductive external member 3, have following beneficial effect when specifically using: 1. the structure is simple, the volume is small, the material consumption is less, and the cost is low; the high-voltage switch can transmit strong current in a small space, can meet the requirement of small size of the space in design, is suitable for compact design, is beneficial to simplifying the design of devices, and is suitable for being used in various static or dynamic medium-high voltage environments; 2. the multi-point contact has high concentration force, almost no loss contact can be realized, the conductivity is good, and the method is suitable for various electric contact designs; meanwhile, the service and operation temperature of the device is lower, and the service life is longer; 3. the contact pressure of each contact point is not high, and the wear resistance is good; 4. the unique structure makes it have a wide working range; each coil will independently compensate for contact and surface variations, allowing for larger tolerances at the contact surface; the method has larger adaptability to machining errors and assembly errors, and is more suitable for large-scale production.
Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.

Claims (18)

1. A contact conduction structure, comprising: the pole comprises a pole housing with a receiving cavity, a first conductive sleeve arranged at the upper part of the receiving cavity and a second conductive sleeve arranged at the lower part of the receiving cavity; the inner cavity of the first conductive sleeve is provided with a first conductive spring contact finger, and the inner cavity of the second conductive sleeve is provided with a second conductive spring contact finger.
2. A contact conduction structure as claimed in claim 1, wherein: and a first contact finger mounting groove is annularly arranged in the inner cavity of the first conductive sleeve.
3. A contact conduction structure as claimed in claim 2, wherein: the first conductive spring contact finger is arranged in the first contact finger mounting groove, and the first conductive spring contact finger is partially exposed out of the first contact finger mounting groove.
4. A contact conduction structure as claimed in claim 2, wherein: the first contact finger mounting groove is an arc-shaped groove.
5. A contact conduction structure as claimed in claim 1, wherein: and a second contact finger mounting groove is annularly arranged in the inner cavity of the second conductive sleeve.
6. A contact conduction structure as claimed in claim 5, wherein: the second conductive spring contact finger is arranged in the second contact finger mounting groove, and part of the second conductive spring contact finger is exposed out of the second contact finger mounting groove.
7. A contact conduction structure as claimed in claim 5, wherein: the second contact finger mounting groove is an arc-shaped groove.
8. A contact conduction structure as claimed in claim 1, wherein: the contact conductive structure further comprises an incoming cable connected with the first conductive sleeve and extending out of the pole housing.
9. A contact conduction structure as claimed in claim 8, wherein: the contact conductive structure further comprises an outgoing cable connected with the second conductive sleeve and extending out of the pole housing.
10. A contact conduction structure as claimed in claim 9, wherein: the pole column shell is a shell formed by pouring engineering plastics.
11. A contact conduction structure as claimed in claim 10, wherein: the pole column shell is a shell formed by pouring an epoxy resin material or a composite nylon material.
12. A contact conduction structure as claimed in claim 11, wherein: the first conductive external member, the second conductive external member, the incoming cable, the outgoing cable and the pole shell are cast into a whole.
13. A contact conduction structure as claimed in claim 1, wherein: the cavity inlet of the receiving cavity is positioned at the bottom of the pole housing.
14. A contact conduction structure as claimed in claim 13, wherein: the inner cavity of the second conductive sleeve forms a through hole for the fuse to pass through.
15. A contact conduction structure as claimed in claim 14, wherein: the outer side wall of the second conductive sleeve is provided with an outlet cable insertion opening.
16. A contact conduction structure as claimed in claim 13, wherein: the first conductive sleeve is disposed at a top of the receiving chamber.
17. A contact conduction structure as claimed in claim 16, wherein: the upper end of the first conductive sleeve is provided with an inlet cable insertion opening.
18. A protective device, characterized by: comprising the contact conductive structure and the fuse of any one of claims 1-17; the fuse is installed in the receiving cavity of the pole housing; the upper end of the fuse is provided with a first conductive part in contact with the first conductive spring contact finger for conduction, and the lower end of the fuse is provided with a second conductive part in contact with the second conductive spring contact finger for conduction.
CN202120037777.0U 2021-01-07 2021-01-07 Contact conductive structure and protective equipment Active CN214044072U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120037777.0U CN214044072U (en) 2021-01-07 2021-01-07 Contact conductive structure and protective equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120037777.0U CN214044072U (en) 2021-01-07 2021-01-07 Contact conductive structure and protective equipment

Publications (1)

Publication Number Publication Date
CN214044072U true CN214044072U (en) 2021-08-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120037777.0U Active CN214044072U (en) 2021-01-07 2021-01-07 Contact conductive structure and protective equipment

Country Status (1)

Country Link
CN (1) CN214044072U (en)

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