CN217215264U - Connector and inflatable cabinet - Google Patents
Connector and inflatable cabinet Download PDFInfo
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- CN217215264U CN217215264U CN202220217423.9U CN202220217423U CN217215264U CN 217215264 U CN217215264 U CN 217215264U CN 202220217423 U CN202220217423 U CN 202220217423U CN 217215264 U CN217215264 U CN 217215264U
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- connector
- blind hole
- insulating sleeve
- insulating
- metal conductive
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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Abstract
The utility model discloses a connector and an inflatable cabinet using the connector, which solves the problem that the insulation performance and the sealing performance of the traditional connector can not meet the long-term operation requirement of the existing offshore environment; the two outer sleeves are oppositely arranged; each outer sleeve comprises a metal conductive head and an insulating sleeve; the metal conductive head is embedded on the insulating sleeve; one end of the metal conductive head extends out of the insulating sleeve and is used for being electrically connected with external equipment, the other end of the metal conductive head is positioned in the insulating sleeve, and the end is provided with a first blind hole; a second blind hole is formed in the insulating sleeve, the second blind hole and the first blind hole are coaxial, and the aperture of the second blind hole is larger than that of the first blind hole; two ends of the conductive tube are respectively inserted into the first blind holes of the two outer sleeves; and an intermediate insulating part is arranged between the conductive tube and the second blind holes of the two insulating sleeves.
Description
Technical Field
The utility model belongs to the electric power field, in particular to connector and use cabinet of aerifing of this connector.
Background
In the face of common problems of human beings such as energy shortage, environmental pollution, climate change and the like, clean energy has become a main development direction in the industry, at present, an offshore wind power project mainly takes 40.5kV system voltage as a main part, and as the space of the offshore wind power project is limited, in order to reduce the number of fan loops, save the space of an offshore booster station and reduce investment and operation and maintenance costs, offshore wind power is gradually increased from 40.5kV to 72.5kV systems, and 72.5kV gas insulated metal closed switch equipment in a wind tower is more and more widely applied.
In order to meet the use requirement of offshore wind power, a plurality of inflatable cabinets are required to be connected in parallel to supply power to a plurality of devices simultaneously, and the plurality of inflatable cabinets need to be electrically connected.
However, offshore wind power is difficult to maintain and replace due to severe environmental conditions, and the requirements on moisture resistance, corrosion resistance, mold resistance, salt spray resistance and the like of products are very high. The traditional connector has the advantages that the insulating property and the sealing property can not meet the long-term operation requirement of the existing offshore environment.
Disclosure of Invention
The utility model discloses a solve the insulating properties and the sealing performance of traditional connector and can not satisfy the problem that current marine environment's long-term operation required, the utility model provides a connector.
Simultaneously the utility model also provides an use the cabinet of aerifing of above-mentioned connector.
This the utility model discloses a concrete technical scheme as follows:
a connector comprises an outer sleeve, an intermediate insulating piece and a conductive tube;
the two outer sleeves are oppositely arranged;
each outer sleeve comprises a metal conductive head and an insulating sleeve;
the metal conductive head is embedded on the insulating sleeve; one end of the metal conductive head extends out of the insulating sleeve and is used for being electrically connected with external equipment, the other end of the metal conductive head is positioned in the insulating sleeve, and the end is provided with a first blind hole; a second blind hole is formed in the insulating sleeve, the second blind hole and the first blind hole are coaxial, and the aperture of the second blind hole is larger than that of the first blind hole;
two ends of the conductive tube are respectively inserted into the first blind holes of the two outer sleeves; and an intermediate insulating part is arranged between the conductive tube and the second blind holes of the two insulating sleeves.
Furthermore, two ends of the conductive tube are electrically connected with the metal conductive head through the conductive contact fingers.
Furthermore, the second blind hole is a conical hole, and the middle insulating part is integrally in a frustum shape, so that the middle insulating part and the insulating sleeve form conical surface matching.
Furthermore, the connector also comprises a sealing and grounding structure, wherein the sealing and grounding structure comprises a sealing ring and an O-shaped metal ring; a sealing ring groove is formed in the end face, far away from the metal conductive head, of the insulating sleeve, and a sealing ring is installed in the sealing ring groove;
the middle insulating part is provided with an O-shaped metal ring on the outer surface of the middle area, and the O-shaped metal ring is grounded through a lead.
Furthermore, the connector further comprises positioning pins, a plurality of positioning pin holes are uniformly arranged on the end face of one end, far away from the metal conductive head, of the insulating sleeve along the circumferential direction, and positioning pins are arranged between the plurality of positioning pin holes in the two outer sleeves.
Furthermore, the insulating sleeve is provided with a climbing-increasing structure at one end close to the metal conductive head.
Further, the insulating part is made by epoxy resin casting or rubber vulcanization process.
In addition the utility model also provides an aerify the cabinet, use as offshore wind power cabinet of aerifing, should aerify the cabinet including two cabinet bodies that set up side by side, realize the electricity through above-mentioned connector between two cabinet bodies and connect.
Compared with the prior art, the beneficial effects are as follows:
1. the utility model discloses an outer tube, current-conducting tube and middle insulating part have constituted the connector, and middle insulating part and outer tube adopt the conical surface cooperation, not only convenient assembly, and the leakproofness is good simultaneously, has avoided appearing the discharge passage between middle insulating part and the outer tube moreover, and pressure resistance promotes greatly.
2. The utility model discloses a metal conductive head of electrically conductive finger and two outer tubes realizes the electricity to be connected, its advantage is on-the-spot simple to operate, and electric conductive property is reliable.
3. The utility model discloses an among the connector, the insulating boot of two outer tubes all sets up the sealing washer, middle insulator sets up O type becket in middle zone (corresponding the position between two outer tubes promptly) simultaneously, not only prevented that moisture and salt fog from permeating on the middle insulator of the contact tube and the internal portion of cabinet through the clearance of two cabinets body, the middle insulator that causes contact tube and the internal portion of cabinet damages or corrodes, realized the protection against the tide of gas insulated switchgear, anticorrosion, mould proof, the purpose of salt fog proof, O type becket passes through wire ground connection simultaneously, it is reliable to have ensured that the connector is insulating.
4. The utility model discloses an among the connector, the insulating cover one end of outer tube sets up increases climbs the structure, under the prerequisite that does not occupy cabinet body inner space, increases creepage distance for aerify the electrical insulation level that the cabinet can reach high voltage (66 KV).
5. The utility model discloses adopt the locating pin to realize fixing a position in the connector, guarantee the concentricity of reliability and connector itself when two cabinet bodies are parallelly connected.
Drawings
FIG. 1 is a schematic cross-sectional view of a connector applied between two cabinets;
FIG. 2 is a cross-sectional schematic view of the connector;
fig. 3 is a schematic sectional view of the outer sleeve.
The reference numbers are as follows:
1-outer sleeve, 11-metal conducting head, 12-insulating sleeve, 13-first blind hole, 14-second blind hole, 2-intermediate insulating part, 3-conducting tube, 31-conducting contact finger, 32-sealing ring, 33-O type metal ring and 34-positioning pin.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below, and it is obvious that 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 having ordinary skill in the art without creative efforts shall belong to the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Meanwhile, in the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "front, rear, inner and outer" and the like are based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms first, second, or third are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The terms "mounted, connected and connected" in the present application are to be understood broadly, unless otherwise explicitly stated or limited, for example: can be fixedly connected, detachably connected or integrally connected; they may be mechanically, electrically, or directly connected, or indirectly connected through intervening media, or 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.
The connector that this embodiment provided makes it have stronger high pressure resistance and leakproofness through unique structural design, and applicable physical connection and the electricity that aerify between the cabinet under various occasions, the environment are connected, and this embodiment introduces the concrete structure of connector for the example with this connector is used in offshore wind power aerifys the cabinet:
as shown in fig. 1 and 2, the offshore wind power charging cabinet comprises two parallel-connected cabinets (a cabinet a and a cabinet B shown in fig. 1), and the connector comprises an outer sleeve 1, an intermediate insulator 2 and a conductive tube 3;
the two outer sleeves 1 are respectively arranged on the side wall of the cabinet body A and the side wall of the cabinet body B;
as shown in fig. 3, each outer sleeve 1 includes a metal conductive head 11 and an insulating sleeve 12; the metal conductive head 11 is embedded on the insulating sleeve 12; one end of the metal conductive head 11 extends out of the insulating sleeve 12 and is externally used for connecting a busbar of the cabinet body A and a busbar of the cabinet body B, the other end of the metal conductive head is positioned in the insulating sleeve 12, and the end is provided with a first blind hole 13; a second blind hole 14 is formed in the insulating sleeve 12, the second blind hole 14 and the first blind hole 13 are coaxial, and the aperture of the second blind hole 14 is larger than that of the first blind hole 13; one end of the insulating sleeve 12 close to the metal conductive head 11 is provided with a creepage increasing structure;
two ends of the conductive tube 3 are respectively inserted into the first blind holes 13 of the two outer sleeves 11; an intermediate insulating part 2 is arranged between the conductive tube 30 and the second blind holes 14 of the two insulating sleeves 12, the intermediate insulating part 2 is made by epoxy resin pouring or by a rubber vulcanization process, and in the embodiment, the intermediate insulating part is made by the rubber vulcanization process.
In order to have a better conductive effect, in this embodiment, the two ends of the conductive tube 30 are provided with the conductive contact fingers 31, and the conductive tube 3 is electrically connected with the metal conductive heads 11 of the two outer sleeves 1 through the conductive contact fingers 31, so that the cabinet body a and the cabinet body B are conducted.
In this embodiment, the second blind hole 14 is a tapered hole, and the whole intermediate insulating member 2 is in a frustum shape, so that the intermediate insulating member 2 and the insulating sleeve 12 form a taper fit. The conical surface matching not only facilitates assembly, but also has good sealing performance, avoids a discharge channel between the middle insulating part 2 and the outer sleeve 1, and greatly improves the pressure resistance.
In order to meet the requirements of the offshore wind power on the air inflation cabinet on moisture resistance, corrosion resistance, mould resistance, salt mist resistance and the like, the connector of the embodiment is provided with a sealing and grounding structure, and the sealing and grounding structure comprises a sealing ring 32 and an O-shaped metal ring 33; a sealing ring groove is formed in the end face, far away from the metal conductive head 11, of the insulating sleeve 12, and a sealing ring 32 is installed in the sealing ring groove; the middle insulating part is provided with an O-shaped metal ring 33 on the outer surface of the middle area (corresponding to the position between the two outer sleeves), and the O-shaped metal ring 33 is grounded through a lead, so that the insulation reliability of the connector is ensured.
In order to realize the reliable assembly of the cabinet body a and the cabinet body B, the connector of the embodiment further includes a positioning pin 34, the insulating sleeve 12 is uniformly provided with a plurality of positioning pin holes along the circumferential direction on the end face of the end far away from the metal conductive head 11, and the positioning pin 34 is arranged between the plurality of positioning pin holes on the two outer sleeves 1.
With the above description of the connector structure, the assembling and two-cabinet butt-joint processes of the connector are now described:
firstly, respectively installing two outer sleeves 1 on the side wall of a cabinet body A and the side wall of a cabinet body B;
secondly, the middle insulating part 2 is arranged in the second blind holes 14 of the two outer sleeves 1, and the sealing ring 31 and the positioning pin 33 are arranged at one end of the outer sleeve 1 far away from the metal conductive head 11 in the cabinet body A or the cabinet body B;
then, after the two ends of the conductive tube 3 are respectively provided with the conductive contact fingers 31, one end of the conductive tube 3 is inserted into the metal conductive head 11 of the outer sleeve in the cabinet body A, and the other end is placed into the metal conductive head 11 of the outer sleeve in the other cabinet body B;
then, the cabinet body A is pushed to move towards the cabinet body B, so that the two ends of the conductive tube 3 are fully matched with the first blind holes 13 of the two metal conductive heads 11, and meanwhile, the positioning pin 33 is inserted into the positioning pin holes;
and finally, after the cabinet body A and the cabinet body B are tightly attached, the two cabinet bodies A and the two cabinet bodies B can be connected into a whole by welding or screw connection.
The above disclosure is only for the specific embodiments of the present invention, however, the embodiments of the present invention are not limited thereto, and any changes that can be considered by those skilled in the art should fall within the protection scope of the present invention.
Claims (8)
1. A connector, characterized by: comprises an outer sleeve, an intermediate insulating part and a conductive tube;
the two outer sleeves are oppositely arranged;
each outer sleeve comprises a metal conductive head and an insulating sleeve;
the metal conductive head is embedded on the insulating sleeve; one end of the metal conductive head extends out of the insulating sleeve and is used for being electrically connected with external equipment, the other end of the metal conductive head is positioned in the insulating sleeve, and the end is provided with a first blind hole; a second blind hole is formed in the insulating sleeve, the second blind hole and the first blind hole are coaxial, and the aperture of the second blind hole is larger than that of the first blind hole;
two ends of the conductive tube are respectively inserted into the first blind holes of the two outer sleeves; and an intermediate insulating part is arranged between the conductive tube and the second blind holes of the two insulating sleeves.
2. The connector of claim 1, wherein: the two ends of the conductive tube are electrically connected with the metal conductive head through the conductive contact fingers.
3. The connector of claim 2, wherein: the second blind hole is a conical hole, and the middle insulating part is integrally in a frustum shape, so that the middle insulating part and the insulating sleeve form conical surface matching.
4. The connector of claim 3, wherein: the sealing and grounding structure comprises a sealing ring and an O-shaped metal ring; a sealing ring groove is formed in the end face, far away from the metal conductive head, of the insulating sleeve, and a sealing ring is installed in the sealing ring groove;
the middle insulating part is provided with an O-shaped metal ring on the outer surface of the middle area, and the O-shaped metal ring is grounded through a lead.
5. The connector of claim 4, wherein: the connector further comprises positioning pins, a plurality of positioning pin holes are uniformly arranged on the end face of one end, far away from the metal conductive head, of the insulating sleeve along the circumferential direction, and positioning pins are arranged between the plurality of positioning pin holes in the two outer sleeves.
6. The connector of claim 5, wherein: and the insulating sleeve is provided with a climbing-increasing structure at one end close to the metal conductive head.
7. The connector of claim 6, wherein: the insulating part is made by epoxy resin pouring or by a rubber vulcanization process.
8. The utility model provides an aerify cabinet, use as offshore wind power aerify cabinet which characterized in that: the inflatable cabinet comprises two cabinet bodies which are arranged side by side, and the two cabinet bodies are electrically connected through a connector according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220217423.9U CN217215264U (en) | 2022-01-26 | 2022-01-26 | Connector and inflatable cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220217423.9U CN217215264U (en) | 2022-01-26 | 2022-01-26 | Connector and inflatable cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217215264U true CN217215264U (en) | 2022-08-16 |
Family
ID=82793738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220217423.9U Active CN217215264U (en) | 2022-01-26 | 2022-01-26 | Connector and inflatable cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217215264U (en) |
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2022
- 2022-01-26 CN CN202220217423.9U patent/CN217215264U/en active Active
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