CN214622904U - Side splicing bus connector test terminal - Google Patents
Side splicing bus connector test terminal Download PDFInfo
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- CN214622904U CN214622904U CN202120819174.6U CN202120819174U CN214622904U CN 214622904 U CN214622904 U CN 214622904U CN 202120819174 U CN202120819174 U CN 202120819174U CN 214622904 U CN214622904 U CN 214622904U
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- adapter
- test terminal
- bus connector
- insulating boot
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Abstract
The utility model discloses a bus connector test terminal is pieced together to side belongs to the technical field of inflatable cubical switchboard, and this test terminal is used for expanding female allies oneself with sleeve pipe looks adaptation connection with the side of installing on inflatable cubical switchboard, the side expands female allies oneself with the intraductal pouring of allies oneself with and has central conductor, and this test terminal includes: the adapter is matched with the side expanding female coupling sleeve; the insulating boot sleeve is sleeved on the adapter, and the insulating boot sleeve is conducted through the adapter and grounded; and the other end of the connecting conductor sequentially penetrates through the adapter and the insulating boot sleeve and extends out of the insulating boot sleeve so as to apply voltage to the inflatable switch cabinet through the side expanding female coupler sleeve and solve the problem that the sleeve discharges to the box body during pressurization.
Description
Technical Field
The utility model belongs to the technical field of inflatable cubical switchboard, especially, use the side to piece up the detection area of the well low pressure gas filled cabinet of bus connection, particularly, relate to a bus connector test terminal is pieced together to side.
Background
Along with the higher and higher requirements of various industries on the reliability of power utilization, the use number of the inflatable switch cabinets, particularly the ring main units, is more and more. The ring main unit is a group of electric equipment which is used for installing transmission and distribution electric equipment in a metal or nonmetal main unit body or is made into an assembled interval ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse. The transformer substation is widely applied to distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like.
Bus connectors are used for connecting main buses among the inflatable cabinet bodies or among different intervals. The bus connector not only needs to meet the insulation between the main bus and the cabinet body, but also has the function of transmitting voltage and current.
When the inflatable switch cabinet leaves the factory, local discharge and power frequency withstand voltage of the cabinet body need to be detected, main elements of the inflatable switch cabinet are all sealed inside the box body, and no proper place is connected with high voltage, so that the local discharge and power frequency withstand voltage of the cabinet body cannot be smoothly detected, and the factory quality of the inflatable switch cabinet cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
In view of this, in order to solve the above-mentioned problem that prior art exists, the utility model aims at providing a side splicing bus connector test terminal is with expanding female allies oneself with the sleeve pipe through the side and exert voltage to inflatable cubical switchboard, the sleeve pipe is to the problem of box discharge when solving the pressurization simultaneously.
The utility model discloses the technical scheme who adopts does: the utility model provides a bus connector test terminal is pieced together to side, this test terminal be used for with install the side on inflatable cubical switchboard expand female allies oneself with bushing looks adaptation connection, the side expands and has central conductor in the female allies oneself with the sheathed tube pouring of pouring, and this test terminal includes:
the adapter is matched with the side expanding female coupling sleeve;
the insulating boot sleeve is sleeved on the adapter, and the insulating boot sleeve is conducted through the adapter and grounded;
and the connecting conductor is arranged in the adapter, one end of the connecting conductor is connected with the central conductor in a fault-tolerant mode, and the other end of the connecting conductor sequentially penetrates through the adapter and the insulating boot sleeve and extends out of the insulating boot sleeve.
Further, the adapter includes:
the conical part is sleeved in an inner cavity of the side expanding female joint sleeve;
a cylindrical portion integrally formed with the conical portion, an exterior of the cylindrical portion being connected to the insulating boot sleeve in a sleeved manner:
so that one end of the adapter is arranged on the lateral expanding female coupling sleeve, and the other end of the adapter is connected with the insulating boot sleeve in a sleeved mode.
Furthermore, one end of the conical part is provided with a positioning cavity, the positioning cavity is matched with the positioning end face of the side expanding female coupling sleeve, a central conductor is poured on the positioning end face, and therefore the whole test terminal can be accurately installed on the side expanding female coupling sleeve.
Furthermore, a high-voltage shielding layer made of a semi-conductive material is attached to the inner surface of the positioning cavity, so that no partial discharge is generated in the positioning cavity.
Furthermore, a step is formed at the joint between the conical part and the cylindrical part, and a grounding shield is embedded on the side part of the step in the direction towards the side expanded female coupling sleeve, so that the influence of the sharp angle of the opening on the partial discharge when the side expanded female coupling sleeve is installed on the side surface of the inflatable switch cabinet is shielded, the influence of the sharp angle of the installation flange on the partial discharge is shielded, and the influence of other external factors on the partial discharge of the product is also shielded.
Furthermore, a boss is arranged on the side wall of the cylindrical portion, a through hole is formed in the boss, the boss is connected with a grounding wire through the boss to be grounded, and semi-conductive grounding shielding layers are attached to the surfaces of the step, the grounding shield, the boss and the cylindrical portion to ensure that external interference signals do not affect the test.
Furthermore, the insulating boot sleeve is of a hollow structure, a plurality of disc-shaped bulges are arranged outside the hollow structure, a grounding electrode is arranged inside the hollow structure and is in conductive connection with a grounding shielding layer, and the purpose of grounding shielding and electric field concentration shielding is achieved.
Further, the connecting conductor is set to be a tubular structure, a step ring groove is arranged outside one end of the tubular structure, and a plurality of notches are arranged at the end part of one end provided with the step ring groove of the tubular structure, so that the connecting conductor is used for: when the spherical structure of the central conductor is sleeved into the connecting conductor, the inner diameter of the connecting conductor can be expanded, so that the central conductor can be easily installed into the connecting conductor.
Further, the tip of center conductor is established to spherical structure, and fault-tolerant cup joints between the hole of this spherical structure and step annular, and is equipped with the spring between the outside of step annular and the adapter, and the effect of spring lies in: one is that the spring provides enough elastic force to provide a continuous and stable contact force between the connecting conductor and the central conductor; secondly, under the effect of this contact force, can make the circular cone portion and the side expand and have invariable contact force between the female hole of female union coupling pipe, and then this side splicing bus connector test terminal can not droop because of the gravity of test terminal self when using.
Furthermore, one end of the central conductor is a connecting part, the connecting part and the side expanding female coupling sleeve are cast into a whole, the other end of the central conductor is a spherical structure, and a fault-tolerant groove is formed between the spherical structure and the connecting part, so that the fault-tolerant capability between the central conductor and the connecting conductor is better.
The utility model has the advantages that:
1. adopt the utility model provides a bus connector test terminal is pieced together to side, it passes through the adapter, connecting conductor, the cooperation of insulating boots cover is used, expand female antithetical couplet through the side and apply voltage to inflatable cubical switchboard, can make loaded voltage not discharge to the box, make inflatable cubical switchboard's terminal test become probably, and then realize detecting local discharge and the power frequency withstand voltage of the counter cabinet body self, and simultaneously, this test terminal is when the design, through the adapter, connecting conductor, the connection between each other of insulating boots cover, can make the connection become simply when doing the terminal test, reliably and conveniently.
Drawings
Fig. 1 is a schematic structural diagram of a side-expanding female coupling sleeve when the side-splicing bus connector test terminal provided by the present invention is applied;
fig. 2 is a schematic diagram of an overall structure of a side-splicing bus connector test terminal provided by the present invention;
fig. 3 is a schematic structural diagram of an adapter in a side-splicing bus connector test terminal provided by the present invention;
fig. 4 is a schematic structural diagram of a connection conductor in the side-splicing bus connector test terminal provided by the present invention;
FIG. 5 is a side schematic view of FIG. 4;
fig. 6 is a schematic structural view of an insulating boot in the side-splicing bus connector test terminal provided by the present invention;
the drawings are labeled as follows:
1-adapter, 2-connecting conductor, 3-insulating boot sleeve, 4-grounding wire, 5-side expanded female coupling sleeve, 11-conical part, 12-cylindrical part, 13-positioning cavity, 14-step, 15-grounding shield, 16-boss, 17-grounding shield layer, 21-step ring groove, 22-spring, 23-notch, 31-protrusion and 32-grounding electrode.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
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 efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that the indication of the position or the positional relationship is based on the position or the positional relationship shown in the drawings, or the position or the positional relationship that the utility model is usually placed when using, or the position or the positional relationship that the skilled person conventionally understands, or the position or the positional relationship that the utility model is usually placed when using, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or suggest that the indicated device or element must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases for a person of ordinary skill in the art; the drawings in the embodiments are provided to clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Example 1
When the inflatable switch cabinet leaves the factory, need carry out partial discharge, power frequency withstand voltage and lightning impulse isoelectrical property test to the inflatable switch cabinet, in this embodiment, the side of providing splices bus connector test terminal, this test terminal is used for with installing the side that expands on the inflatable switch cabinet and allies oneself with sleeve 5 looks adaptation connection, as shown in fig. 1 to accomplish the relevant terminal test to the inflatable switch cabinet.
The design of the opposite side splicing bus connector test terminal, as shown in fig. 2, mainly includes: the testing terminal comprises an adapter 1, a connecting conductor 2, an insulating shoe sleeve 3 and a grounding wire 4, and the adapter 1, the connecting conductor 2 and the insulating shoe sleeve 3 are used in a matched mode to achieve corresponding functions of the testing terminal of the side splicing bus connector.
(ii) an adapter
As shown in fig. 3, the adapter 1 is configured with the side expanding female coupling sleeve 5, and the adapter 1 includes: the conical part 11 and the cylindrical part 12 which is integrally formed with the conical part 11.
For the design of the conical portion 11: the shape of the conical part 11 is conical, and the conical shape matches the inner cavity of the side expanded female coupling sleeve 5 so as to ensure that the conical part 11 can be sleeved in the inner cavity of the side expanded female coupling sleeve 5.
In order to further ensure that the positioning assembly is carried out between the adapter 1 and the side expanding female joint sleeve 5, a positioning cavity 13 is arranged at one end of the conical part 11, a convex positioning end face is arranged in an inner cavity of the side expanding female joint sleeve 5, and the positioning cavity 13 is matched with the positioning end face of the side expanding female joint sleeve 5, so that the accuracy and the reliability of the installation of the adapter 1 are ensured. In practical application, a high-voltage shielding layer made of a semiconductive material is attached to the inner surface of the positioning cavity 13 to ensure that the connecting conductor 2 is at a high potential when in use, and after the high-voltage shielding layer is contacted with the connecting conductor 2, the high potential is formed on the high-voltage shielding layer made of the semiconductive material, so that no partial discharge is generated inside the positioning cavity 13.
When the electrical property of the inflatable switch cabinet is tested, the inflatable switch cabinet needs to be connected with high voltage, and the high voltage connection is realized through the central conductor arranged in the expanded bus coupler 5 at the upper side of the inflatable switch cabinet, so that the central conductor is poured on the positioning end face of the expanded bus coupler 5, and fault-tolerant connection is carried out between the central conductor and the connecting conductor 2.
For the design of the cylindrical portion 12: the cylindrical portion 12 has a cylindrical shape, and the outside of the cylindrical portion 12 is fitted and connected to the insulating boot 3, so that the insulating boot 3 is fixed.
A boss 16 is provided on the side wall of the cylindrical portion 12, a through hole is provided at a central position of the boss 16 and the ground wire 4 is connected through the boss 16 to be grounded, that is: the ground wire 4 is fixed through this through hole and connects the ground shield layer 17 to the ground. The surfaces of the step 14, the grounding shield 15, the boss 16 and the cylindrical part 12 are all attached with a semi-conductive grounding shield layer 17, and the grounding shield layers 17 are arranged in the areas and are connected with the grounding wire 4 after being communicated with each other, so that the external interference signals are ensured not to influence the test.
The junction between the conical portion 11 and the cylindrical portion 12 forms a step 14, and a ground shield 15 is fitted on the side of the step 14 in the direction toward the side enlarged female coupling 5. With the inside of ground connection shielding 15 embedding to adapter 1, its effect is that shielding inflatable cubical switchboard is trompil closed angle when side installation side expands female allies oneself with sleeve pipe 5 to partial discharge's influence, shields the influence of mounting flange closed angle to partial discharge, also shields the influence of other external factors to product partial discharge simultaneously.
② connecting conductor
As shown in fig. 4 and 5, the connecting conductor 2 is installed inside the adapter 1, and the connecting conductor 2 is sleeved on the central conductor of the side expanded female coupling sleeve 5, so that the electrical performance of the inflatable switch cabinet is tested. In order to ensure that the test terminal has good fault tolerance when being connected with the side expansion bus coupler, the following design is adopted:
one end of the connecting conductor 2 is set to be fault-tolerant connected with the central conductor, and the other end passes through the adapter 1 and the insulating shoe 3 in sequence and extends out of the insulating shoe 3. In practical application, the connecting conductor 2 is set to be a tubular structure, a step ring groove 21 is arranged outside one end of the tubular structure, a plurality of notches 23 are further arranged at one end of the tubular structure provided with the step ring groove 21, each notch 23 can be arranged along the circumferential direction of the end of the tubular structure, and as the inner diameter of the connecting conductor 2 is smaller than the outer diameter of the spherical structure of the central conductor, the length of the notch 23 is optimal as long as the length of the notch 23 does not exceed the length of the step ring groove 21. When the spherical structure of the central conductor is sleeved into the connecting conductor 2, the inner diameter of the connecting conductor 2 can be expanded, so that the central conductor can be easily installed in the connecting conductor 2.
The end of the central conductor is designed to be a spherical structure, the spherical structure is in fault-tolerant sleeve joint with the inner hole of the step ring groove 21, a spring 22 is arranged between the outer part of the step ring groove 21 and the adapter 1, one end of the spring 22 abuts against the side wall of the inner hole of the cylindrical part 12 of the adapter 1, and the other end of the spring 22 abuts against the step ring groove 21 of the connecting conductor 2. The effect of the spring 22 is by design: one is to provide enough elastic force by the spring 22 to provide a continuous and stable contact force between the connecting conductor 2 and the central conductor; secondly, under the action of the contact force, a constant contact force can be formed between the conical part 11 and the inner hole of the side expanded female coupling sleeve 5, and the test terminal of the side splicing bus connector cannot droop due to the gravity of the test terminal when in use.
The center conductor of the spherical structure used in the above is only a preferable embodiment in the present embodiment, but the present invention is not limited to the test terminal which can be fitted only to the side enlarged female coupling pipe 5 having the spherical structure when the test terminal is used. In practical applications, the central conductor may also be provided as a pillar-like structure, which can also be fitted into the inner bore of the connecting conductor 2, and which can also meet the corresponding functional requirements.
For further promoting the central conductor when emboliaing to connecting conductor 2 inside, fault-tolerant ability is better between central conductor and the connecting conductor 2, establish the one end of central conductor as connecting portion and the pouring of side expansion female coupling pipe 5 as an organic whole, the other end is spherical structure and is equipped with fault-tolerant recess between spherical structure and the connecting portion. On the basis of designing the fault-tolerant recess, when practical application, because central conductor and side expand female allies oneself with sleeve 5 and pour into an organic whole and fix at the cabinet lateral wall of aerifing through side expand female allies oneself with sleeve 5, simultaneously, through spherical contact between connecting conductor 2 and the central conductor, the existence of fault-tolerant recess can make connecting conductor 2 and central conductor contact the time, to other orientation rotation an angle to can well eliminate the installation deviation of aerifing the cabinet, provide reliable guarantee for test terminal's test.
Third insulating boot cover
As shown in fig. 6, the insulating shoe 3 is fitted over the adapter 1, specifically, over the cylindrical portion 12 of the adapter 1, and the insulating shoe 3 is conducted through the adapter 1 and grounded, where the conduction is the ground conduction of the insulating shoe 3.
In practice, the insulating boot 3 is provided as a hollow structure, which fits into the cylindrical portion 12 of the adapter 1. During practical application, the hollow part and the cylindrical part 12 of the adapter 1 are in interference fit, and are assembled on the cylindrical part 12 through interference fit, so that certain holding force is formed, and under the action of the holding force, the product is not subjected to creepage breakdown in use and is not easy to move, and the position is relatively fixed.
This hollow structure's outside is equipped with a plurality of and is discoid protruding 31, lies in through the effect that sets up the protruding 31 of a plurality of: the creepage distance can be increased.
The grounding electrode 32 is arranged inside the hollow structure and the grounding electrode 32 is conductively connected with the grounding shielding layer 17, wherein the grounding electrodes 32 are symmetrically arranged inside the hollow structure and the grounding electrodes 32 are made of semiconductor materials, and the purpose of the grounding shielding 15 is to shield electric field concentration.
By the test terminal, when the inflatable switch cabinet needs to perform an electrical performance test on the box body when leaving a factory, and when the voltage is loaded from the side of the side expansion bus coupler sleeve of the inflatable switch cabinet, the loaded voltage can not discharge to the box body, so that the smooth performance of the electrical energy test is ensured.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (10)
1. The utility model provides a bus connector test terminal is pieced together to side, this test terminal be used for with install the side on inflatable cubical switchboard expand female allies oneself with bushing looks adaptation connection, the side expands the interior pouring of female allies oneself with the sheathed tube and has central conductor, its characterized in that, this test terminal includes:
the adapter is matched with the side expanding female coupling sleeve;
the insulating boot sleeve is sleeved on the adapter, and the insulating boot sleeve is conducted through the adapter and grounded;
and the connecting conductor is arranged in the adapter, one end of the connecting conductor is connected with the central conductor in a fault-tolerant mode, and the other end of the connecting conductor sequentially penetrates through the adapter and the insulating boot sleeve and extends out of the insulating boot sleeve.
2. The side splicing bus connector test terminal of claim 1, wherein the adapter comprises:
the conical part is sleeved in an inner cavity of the side expanding female joint sleeve;
and the cylindrical part is integrally formed with the conical part, and the outer part of the cylindrical part is connected with the insulating boot sleeve in a sleeved mode.
3. The side splicing bus connector test terminal according to claim 2, wherein a positioning cavity is formed at one end of the conical portion, the positioning cavity is matched with a positioning end face of the side expanding female coupling sleeve, and a central conductor is poured on the positioning end face.
4. The side-splicing bus connector test terminal as claimed in claim 3, wherein a high-voltage shielding layer made of a semi-conductive material is attached to an inner surface of the positioning cavity.
5. The side-splicing bus connector test terminal as claimed in claim 2, wherein the junction between the conical portion and the cylindrical portion forms a step, and a side portion of the step is fitted with a ground shield in a direction toward the side-expanding female coupling sleeve.
6. The terminal of claim 5, wherein a boss is disposed on a sidewall of the cylindrical portion, the boss is provided with a through hole and connected to a ground line through the boss for grounding, and the steps, the ground shield, the boss and the cylindrical portion are attached with a ground shield layer made of a semi-conductive material on surfaces thereof.
7. The terminal of claim 6, wherein the insulating boot is a hollow structure, a plurality of protrusions are formed on an outer portion of the hollow structure, a ground electrode is formed on an inner portion of the hollow structure, and the ground electrode is electrically connected to the ground shield.
8. The terminal of claim 1, wherein the connecting conductor is a tubular structure, a stepped ring groove is formed outside one end of the tubular structure, and a plurality of notches are formed at the end of the tubular structure where the stepped ring groove is formed.
9. The side splicing bus connector test terminal of claim 8, wherein the end of the center conductor is formed as a spherical structure that is in a fault-tolerant fit with an inner bore of the stepped ring groove, and a spring is disposed between an outer portion of the stepped ring groove and the adapter.
10. The side splicing bus connector test terminal of claim 9, wherein one end of the central conductor is a connecting portion and the connecting portion is integrally cast with the side expanding female coupling sleeve, and the other end of the central conductor is a spherical structure and a fault-tolerant groove is formed between the spherical structure and the connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120819174.6U CN214622904U (en) | 2021-04-20 | 2021-04-20 | Side splicing bus connector test terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120819174.6U CN214622904U (en) | 2021-04-20 | 2021-04-20 | Side splicing bus connector test terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214622904U true CN214622904U (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120819174.6U Active CN214622904U (en) | 2021-04-20 | 2021-04-20 | Side splicing bus connector test terminal |
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| Country | Link |
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| CN (1) | CN214622904U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113030670A (en) * | 2021-04-20 | 2021-06-25 | 成都盛帮双核科技有限公司 | Side splicing bus connector test terminal |
-
2021
- 2021-04-20 CN CN202120819174.6U patent/CN214622904U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113030670A (en) * | 2021-04-20 | 2021-06-25 | 成都盛帮双核科技有限公司 | Side splicing bus connector test terminal |
| CN113030670B (en) * | 2021-04-20 | 2025-01-28 | 成都盛帮双核科技有限公司 | A side-joined busbar connector test terminal |
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