CN212033521U - Mutual inductance sleeve and switch cabinet - Google Patents
Mutual inductance sleeve and switch cabinet Download PDFInfo
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- CN212033521U CN212033521U CN202021061685.8U CN202021061685U CN212033521U CN 212033521 U CN212033521 U CN 212033521U CN 202021061685 U CN202021061685 U CN 202021061685U CN 212033521 U CN212033521 U CN 212033521U
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- sleeve body
- mutual inductance
- electric connector
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- insulating sleeve
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Abstract
The utility model discloses an mutual inductance sleeve pipe and cubical switchboard, mutual inductance sleeve pipe includes: the transformer comprises an electric connector, an insulating sleeve body and a mutual inductor. The electric connector is connected between at least two ends to be connected; the insulating sleeve body is sleeved on the outer side of the electric connector; the mutual inductor is provided with a mounting hole, and the mounting hole is installed on the outer peripheral surface of the insulating sleeve body in a limiting mode. The insulating sleeve body is sleeved on the peripheral wall surface of the insulating terminal, further insulation of the electric connector is achieved, and in addition, the mutual inductor is directly installed in a limiting mode through the mutual inductor and the insulating sleeve body, so that installation convenience is greatly improved while installation stability of the mutual inductor is achieved. Guarantee simultaneously that mutual inductance sleeve pipe has wall overlap joint, protection, measuring function simultaneously, in addition, realize mutual-inductor and circuit breaker integration when mutual inductance sleeve pipe and circuit breaker cooperation installation, make the circuit breaker from taking protection and measuring function to indirectly reduced cubical switchboard volume and the design assembly degree of difficulty, the cost is reduced.
Description
Technical Field
The utility model relates to a power transmission and distribution technical field, concretely relates to mutual inductance sleeve pipe and cubical switchboard.
Background
The switch cabinet is used as an electric device, an external line firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. Such as instruments, automatic control, magnetic switches of motors, various alternating current contactors and the like, and also high-voltage chambers and low-voltage chamber switch cabinets, high-voltage buses, such as power plants and the like, and low-frequency load shedding for keeping main equipment. With the continuous update of technical requirements, the switch cabinet requires protection and measurement functions to be integrated.
Chinese patent document CN210040949U discloses a high-voltage switch cabinet, which includes a partition board, a disconnecting switch, a wall bushing with a shield, a breaker switch, a feed-through current transformer and a grounding switch; wherein, the area shielding wall bushing includes: the central conductor, the mutual inductor, the insulator and the mounting boss are connected with the mutual inductor when in use, and the insulator is sleeved outside the central conductors on the two sides of the boss to realize the mounting effect.
However, in the switch cabinet with the above structure, because the installation boss adapted to the mutual inductor needs to be installed independently, the installation position of the installation boss needs to be set independently, the insulator is cut off, and the installation boss is installed between the two cut-off insulators, the installation and use of the actual wall bushing with the shielding function are complicated, and the inconvenience in use is caused.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem that because need install the installation boss of adaptation in mutual-inductor alone among the prior art, and need set up the installation boss mounted position alone after to cut the insulator, install the installation boss between two insulators that are cut off, lead to actually taking the shielding wall bushing installation to use comparatively complicatedly, cause inconvenient defect in the use.
Therefore, the utility model provides an mutual inductance sleeve pipe, include:
the electric connector is connected between the at least two to-be-connected ends;
the insulating sleeve body is sleeved on the outer side of the electric connector;
the mutual inductor is provided with a mounting hole, and the mounting hole is installed on the outer peripheral surface of the insulating sleeve body in a limiting mode.
Optionally, in the mutual inductance sleeve, the insulating sleeve body is an umbrella skirt.
Optionally, in the mutual inductance sleeve, the insulating sleeve body is in interference fit with the mounting hole.
Optionally, in the mutual inductance sleeve, the electrical connector includes a central conductor and a mounting sleeve, and the mounting sleeve is sleeved on the outer side of the central conductor;
the insulating sleeve body is arranged on the outer side of the mounting sleeve body.
Optionally, in the mutual inductance sleeve, the transformer is a feedthrough current transformer.
A switch cabinet comprises
The partition plate is used for separating at least two chambers to be connected, and any chamber to be connected is provided with at least one end to be connected;
the mutual inductance sleeve is arranged on two sides of the partition board in a penetrating mode, and the electric connector is communicated with at least two adjacent to-be-connected ends.
Optionally, in the switch cabinet, the electric connector has two connecting ends,
the switch cabinet also comprises a connecting cable and a circuit breaker which are arranged in the two chambers to be connected;
at least one end of the electric connector is connected with the isolating switch and the cable; at least one end of the electric connector is connected with a vacuum circuit breaker.
Optionally, the switch cabinet further includes a mounting structure, where the mounting structure includes: a connecting piece and a locking piece;
the connecting piece clamps in the electric connector outside, the locking piece wears to establish in the connecting hole of connecting piece, just the locking piece the baffle locking is connected.
Optionally, in the switch cabinet, the connecting pieces are at least two splicing connecting bodies, and each splicing connecting body is provided with a groove in an arc surface;
all the grooves of the splicing connecting body are spliced into the limiting holes of the connecting piece, and the electric connecting body is clamped in the limiting holes.
Optionally, the switch cabinet is provided with two splicing connecting bodies, and the groove is semicircular.
The technical scheme provided by the utility model, following advantage has:
1. the utility model provides an mutual inductance sleeve pipe, include: the transformer comprises an electric connector, an insulating sleeve body and a mutual inductor. The electric connector is connected between at least two ends to be connected; the insulating sleeve body is sleeved on the outer side of the electric connector; the mutual inductor is provided with a mounting hole, and the mounting hole is installed on the outer peripheral surface of the insulating sleeve body in a limiting mode.
The mutual inductance sleeve with the structure is sleeved on the peripheral wall surface of the insulation terminal through the insulation sleeve body, further insulation of the electric connector is achieved, in addition, the mutual inductor is directly installed in a limiting mode through the mutual inductor and the insulation sleeve body, and meanwhile the installation convenience is greatly improved when the installation stability of the mutual inductor is achieved. Guarantee simultaneously that mutual inductance sleeve pipe has wall overlap joint, protection, measuring function simultaneously, in addition, realize mutual-inductor and circuit breaker integration when mutual inductance sleeve pipe and circuit breaker cooperation installation, make the circuit breaker from taking protection and measuring function to indirectly reduced cubical switchboard volume and the design assembly degree of difficulty, the cost is reduced.
2. The utility model provides an mutual inductance sleeve, the insulating sleeve body is the full skirt. The insulating sleeve body is in interference fit with the mounting hole. According to the mutual inductance sleeve with the structure, the insulating sleeve body can adopt the umbrella skirt made of flexible materials, so that the connection relation between the insulating sleeve body and the mounting hole is in interference fit, and the mutual inductor and the insulating sleeve body are further convenient to mount and use. In addition, the setting of full skirt increases mutual inductance sleeve pipe surface creepage distance, prevents dirty the sudden strain of a muscle.
3. The utility model provides a switch cabinet, include: a baffle plate and a mutual inductance sleeve. The device comprises a partition board, a plurality of chamber bodies to be connected and a plurality of connecting ports, wherein the partition board separates at least two chamber bodies to be connected, and any one chamber body to be connected is provided with at least one connecting port to be connected; the mutual inductance sleeve is arranged on two sides of the partition board in a penetrating mode, and the electric connector is communicated with at least two adjacent to-be-connected ends. Mutual inductance sleeve pipe is installed in the both sides of baffle to divide IE with the link of both sides to be connected, further guarantee the reliability that the circuit breaker is connected, realize mutual-inductor and circuit breaker integration when mutual inductance sleeve pipe and circuit breaker cooperation installation, make the circuit breaker from taking protection and measuring function, thereby indirectly reduced cubical switchboard volume and the design assembly degree of difficulty, the cost is reduced.
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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are 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 a schematic structural view of a switchgear provided in embodiment 1;
FIG. 2 is a schematic diagram of the structure of the mutual inductance sleeve provided in embodiment 1;
description of reference numerals:
1-a central conductor; 2, mounting a sleeve body;
3-an insulating sleeve body; 4-a transformer; 5-a separator; 6-an isolating switch; 7-a cable; 8-vacuum circuit breaker;
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
The present embodiment provides a switch cabinet, as shown in fig. 1 and 2, including: a disconnector 6 and cables 7, a vacuum interrupter 8, a partition 5 and a mutual inductance bushing. The partition plate 5 separates two chambers to be connected, and any chamber to be connected is provided with a to-be-connected end; mutual inductance sleeves penetrate through two sides of the partition board 5, one end of each mutual inductance sleeve is connected with the isolating switch 6 and the cable 7, and the other end of each mutual inductance sleeve is connected with the transformer after being connected with the vacuum circuit breaker 8.
As shown in fig. 2, the present embodiment provides a mutual inductance sleeve, including: an electrical connector, a bushing body 3 and a transformer 4. The electric connector comprises a central conductor 1 and a mounting sleeve body 2, wherein two ends of the central conductor 1 are respectively connected to two ends to be connected, and the mounting sleeve body 2 is sleeved outside the central conductor 1; the insulating sleeve body 3 is arranged outside the mounting sleeve body 2; and the mutual inductor 4 is provided with a mounting hole, and the mounting hole is limited and mounted on the outer peripheral surface of the insulating sleeve body 3. The transformer 4 is, for example, a feedthrough current transformer 4. In this embodiment, the center conductor 1 is made of T2 copper or a same-property conductive material. The mounting sheath body 2 is made of a composite insulating material, such as epoxy resin, but in other alternative embodiments, the composite insulating material may also be made of high-voltage silicone rubber. The mounting sleeve body 2 is poured or coated on the outer side of the central conductor 1.
Specifically, the insulating sheath body 3 is a shed. And the insulating sleeve body 3 is in interference fit with the mounting hole. The umbrella skirt can be made of silica gel, and the insulating sleeve body 3 can be made of flexible material, so that the insulating sleeve body 3 and the mounting hole are in interference fit, and the mutual inductor 4 and the insulating sleeve body 3 are further convenient to mount and use. In addition, the setting of full skirt increases mutual inductance sleeve pipe surface creepage distance, prevents dirty the sudden strain of a muscle.
The aforesaid still includes mounting structure, mounting structure includes: a connecting piece and a locking piece; the connecting piece clamps in the electric connector outside, and the locking piece is worn to establish in the connecting hole of connecting piece, and locking piece baffle 5 locking connection. The connecting piece is at least two splicing connecting bodies, and each splicing connecting body is provided with a groove in an arc surface; the grooves of all the splicing connectors are spliced into the limiting holes of the connecting pieces, and the electric connectors are clamped in the limiting holes. Specifically, the connecting piece has two concatenation connectors, and the recess semicircular in shape.
In other embodiments, the connecting members are three, four, five, etc. splicing connecting bodies, as long as the splicing connecting bodies are ensured to have the grooves in the arc surfaces; and all the grooves can be enclosed into a round limiting hole.
The mutual inductance sleeve pipe that this embodiment provided cup joints on the peripheral wall face of insulation terminal through insulator housing 3, realizes the further insulation to the electric connector, in addition, through mutual-inductor 4 direct with insulator housing 3's spacing installation, when realizing the stability of mutual-inductor 4 installation, has improved the convenience of installation greatly. Guarantee simultaneously that mutual inductance sleeve pipe has wall overlap joint, protection, measuring function simultaneously, in addition, realize mutual-inductor 4 and circuit breaker integration when mutual inductance sleeve pipe and circuit breaker cooperation installation, make the circuit breaker from taking protection and measuring function to indirectly reduced cubical switchboard volume and the design assembly degree of difficulty, the cost is reduced. It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A mutual inductance sleeve is characterized by comprising
The electric connector is connected between the at least two to-be-connected ends;
the insulating sleeve body (3) is sleeved on the outer side of the electric connector;
and the mutual inductor (4) is provided with a mounting hole, and the mounting hole is mounted on the outer peripheral surface of the insulating sleeve body (3) in a limiting manner.
2. The mutual inductance sleeve according to claim 1,
the insulating sleeve body (3) is an umbrella skirt.
3. The mutual inductance sleeve according to claim 2,
the insulating sleeve body (3) is in interference fit with the mounting hole.
4. Mutual inductance sleeve according to any one of claims 1-3,
the electric connector comprises a central conductor (1) and a mounting sleeve body (2), and the mounting sleeve body (2) is sleeved on the outer side of the central conductor (1);
the insulating sleeve body (3) is arranged on the outer side of the mounting sleeve body (2).
5. Mutual inductance sleeve according to any one of claims 1-3,
the mutual inductor (4) is a straight-through current mutual inductor (4).
6. A switch cabinet is characterized by comprising
The partition plate (5) is used for partitioning at least two chambers to be connected, and any chamber to be connected is provided with at least one end to be connected;
and the mutual inductance sleeve of any one of claims 1-5, which is arranged on two sides of the partition board (5) in a penetrating way, and the electric connector is communicated with at least two adjacent to-be-connected ends.
7. The switchgear cabinet as claimed in claim 6, characterized in that the electrical connector has two connection ends,
the switch cabinet also comprises a connecting cable (7) and a circuit breaker which are arranged in the two chambers to be connected;
at least one end of the electric connector is connected with the isolating switch (6) and the cable (7); at least one end of the electric connector is connected with a vacuum breaker (8).
8. The switchgear of claim 6, further comprising a mounting structure, the mounting structure comprising: a connecting piece and a locking piece;
the connecting piece is clamped outside the electric connector, the locking piece penetrates through a connecting hole of the connecting piece, and the partition plate (5) is connected in a locking mode.
9. Switch cabinet according to claim 8,
the connecting pieces are at least two splicing connecting bodies, and each splicing connecting body is provided with a groove in an arc surface;
all the grooves of the splicing connecting body are spliced into the limiting holes of the connecting piece, and the electric connecting body is clamped in the limiting holes.
10. The switchgear as claimed in claim 9,
the splicing connector is provided with two splicing connectors, and the groove is semicircular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021061685.8U CN212033521U (en) | 2020-06-10 | 2020-06-10 | Mutual inductance sleeve and switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021061685.8U CN212033521U (en) | 2020-06-10 | 2020-06-10 | Mutual inductance sleeve and switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212033521U true CN212033521U (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021061685.8U Active CN212033521U (en) | 2020-06-10 | 2020-06-10 | Mutual inductance sleeve and switch cabinet |
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| Country | Link |
|---|---|
| CN (1) | CN212033521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112858740A (en) * | 2021-01-26 | 2021-05-28 | 西安高压电器研究院有限责任公司 | Insulation type test intelligent control cabinet for medium-voltage switchgear |
-
2020
- 2020-06-10 CN CN202021061685.8U patent/CN212033521U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112858740A (en) * | 2021-01-26 | 2021-05-28 | 西安高压电器研究院有限责任公司 | Insulation type test intelligent control cabinet for medium-voltage switchgear |
| CN112858740B (en) * | 2021-01-26 | 2023-10-20 | 西安高压电器研究院股份有限公司 | Insulating type test intelligent control cabinet for medium-voltage switchgear |
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Effective date of registration: 20230908 Granted publication date: 20201127 |