CN215452486U - Air cooling cable joint - Google Patents
Air cooling cable joint Download PDFInfo
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- CN215452486U CN215452486U CN202120691432.7U CN202120691432U CN215452486U CN 215452486 U CN215452486 U CN 215452486U CN 202120691432 U CN202120691432 U CN 202120691432U CN 215452486 U CN215452486 U CN 215452486U
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- outer sleeve
- air
- sleeve
- cable
- internal thread
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Abstract
The utility model discloses an air-cooled cable joint, which comprises an inner sleeve with insulating property, an outer sleeve, a connecting terminal and a gas pipe joint, wherein the outer sleeve is provided with a first internal thread and a second internal thread; the inner side of the outer sleeve is provided with an annular boss, and the outer sleeve is provided with a notch in the first inner thread section of the outer sleeve; the connecting terminal is provided with a circular mounting part and a connecting part, and a through hole is formed in the circular mounting part; in the outer sleeve, a circular mounting part is arranged between the first external thread section of the inner sleeve and the annular boss, and a connecting part extends out of the outer sleeve through a notch; the air-cooled cable has simple joint structure and high efficiency, is connected with a matched cable, realizes the circulation of air in the conductor and has the function of high-efficiency cooling.
Description
Technical Field
The utility model relates to an air-cooled cable joint for conveying cooling air to the interior of an air-cooled cable.
Background
With the requirement of high-power charging, the medium cooling cable develops rapidly, and at present, the state has no relevant standard document, so that the medium cooling cable blooms on the market comprehensively, has a liquid cooling cable, an air cooling cable and the like, has a structure with eight doors, and has various advantages and limitations. The appearance of new construction cable must have the cable joint who matches with it, especially need come the structure of cooling down to the cable inside with the help of external medium, needs a novel cable joint, both need guarantee the normal conduction of heavy current, reliable heat transfer efficiency again.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an air-cooled cable joint, which realizes the transmission of cooling air into an air-cooled cable.
In order to solve the technical problem, the air-cooled cable joint comprises an inner sleeve with insulating property, an outer sleeve, a connecting terminal and an air pipe joint, wherein the outer sleeve is provided with a first internal thread and a second internal thread; the inner side of the outer sleeve is provided with an annular boss, and the outer sleeve is provided with a notch on a first internal thread section of the outer sleeve; the connecting terminal is provided with a circular mounting part and a connecting part, and a through hole is formed in the circular mounting part; in the outer sleeve, the circular installation part is installed between the first external thread section of the inner sleeve and the annular boss, and the connecting part extends out of the outer sleeve through the notch.
Adopt interior sleeve pipe of disconnect-type, outer tube, easy to assemble connects, and the trachea connects convenient easy, and service equipment is conveniently connected to binding post's connecting portion.
Preferably, the inner sleeve and the outer sleeve are made of hard plastics, and the connecting terminal is made of copper.
The utility model mainly aims at air-cooled cables, and the original stranded conductor of the air-cooled cable is replaced by a hollow copper pipe, and a single-layer or multi-layer hollow copper pipe is regularly stranded. The copper pipe is as conductor transmission current, pours into low temperature air into at hollow copper pipe simultaneously, because of the copper pipe heat conductivility is good, customizes the joint through the installation, along with cold air's circulation flow, takes away the inside temperature of copper pipe, makes the effective reduction of insulation temperature. The current-carrying capacity of the cable is improved under the condition of not changing the conductor material consumption of the cable, and the production cost is reduced.
The air cooling cable is worn inside the inner sleeve, then the hollow copper pipe stretching out of the inner sleeve is connected (welded) with the through hole in the circular mounting part, and the inner sleeve is mounted on the outer sleeve to clamp the connecting terminal. At the moment, the hollow copper pipe is only communicated with the outer sleeve, the outer sleeve is externally connected with the air pipe connector, the hollow copper pipe is connected with the air pipe connector, the air pipe connector is connected with an external air cooling device pipeline, cold air is connected, and the size of the air pipe connector can be selected according to the size of the external air cooling device pipeline.
The air-cooled cable has a simple joint structure and high efficiency, is connected with a matched cable, realizes the circulation of air in the conductor, has the function of high-efficiency cooling, improves the current-carrying capacity of the cable, reduces the production cost and improves the practical value.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic diagram of an air-cooled cable.
FIG. 2 is a schematic view of the structure of the present invention.
Fig. 3 is a schematic diagram of a connection terminal.
FIG. 4 is a schematic diagram of the present invention.
Detailed Description
The utility model is mainly used for air-cooled cables, as shown in figure 1, the air-cooled cable replaces the original stranded conductor with a hollow copper tube 2, a single-layer or multi-layer hollow copper tube 2 is regularly stranded, and an insulating layer 1 is arranged outside the hollow copper tube 2.
As shown in fig. 2-4, the air-cooled cable joint comprises an inner sleeve 3, an outer sleeve 5, a connecting terminal and a gas pipe joint 10, wherein the inner sleeve 3 and the outer sleeve 5 are made of hard plastics, so that the air-cooled cable joint has a good insulating effect, is high in strength, is not easy to damage and has a long service life. The inner sleeve 3 is of an integral cylindrical structure, the inner aperture is slightly smaller than the outer diameter of the cable insulation layer 1, and tight fit and air tightness are ensured when the cable is connected. The connecting terminal is made of copper.
Adopt interior sleeve pipe 3 of disconnect-type, outer tube 5, the connection of easy to assemble, specifically: the outer sleeve 5 is provided with a first internal thread 6 and a second internal thread 7, one end of the inner sleeve 3 is provided with a first external thread 4, one end of the air pipe joint 10 is provided with a second external thread 11, the inner sleeve 3 is installed on the outer sleeve 5 through the first internal thread 4 and the first external thread 6, and the air pipe joint 10 is installed on the outer sleeve 5 through the second internal thread 7 and the second external thread 11.
The inner side of the outer sleeve 5 is provided with an annular boss 8, and the outer sleeve 5 is provided with a notch 9 in a first internal thread section of the outer sleeve 5, so that a connecting part 13 described below is exposed out of the outer sleeve 5 and is convenient to connect with a using device. As shown in fig. 3, the connection terminal has a circular mounting portion 12 and a connection portion 13, and the circular mounting portion 12 has a through hole 14. The conductor (hollow copper tube 2) is connected to the inside of the through hole 14 and fixed by soldering. The connecting part 13 is used for external connection equipment and mainly plays a role in transmitting current. In the outer sleeve 5, the circular mounting part 12 is mounted between the first external thread section of the inner sleeve 3 and the annular boss 8, and the connecting part 13 extends out of the outer sleeve 5 through the notch 9.
The air pipe joint 10 is a conventional standard joint and is in threaded connection with the outer sleeve 5, and the outer diameter of the air pipe joint is sealed by an O-shaped sealing ring, so that the joint is ensured to be airtight. The size of the air pipe joint 10 can be selected according to the size of a pipeline of an external air cooling device, and the air pipe joint is convenient to obtain and low in cost.
And (3) assembling the integral structure: firstly, penetrating a cable belt insulating layer 1 into an inner sleeve 3, and stripping the insulating layer 1 according to requirements to expose a conductor; the conductors (several hollow copper tubes 2) are inserted into the through holes 14 of the corresponding circular mounting parts 12 and fixed by soldering. Then, the notch 9 of the outer sleeve 5 is matched with the connecting part 13, the inner sleeve 3 is rotated to enable the inner and outer sleeves to be tightly connected, and finally, the air pipe joint 10 is installed to complete the installation of the wiring device, as shown in fig. 4. Through outside cooling air generator, the transmission air is inside the air cooling cable (transmit to in hollow copper pipe 2 promptly), and the flow of cooling air takes away the conductor internal temperature, guarantees that the conductor temperature is in normal condition, can very big increase conductor current-carrying capacity.
The above embodiments do not limit the present invention in any way, and all technical solutions obtained by means of equivalent substitution or equivalent transformation fall within the protection scope of the present invention.
Claims (3)
1. An air-cooled cable joint is characterized by comprising an inner sleeve (3) with insulating property, an outer sleeve (5), a connecting terminal and a gas pipe joint (10), wherein the outer sleeve (5) is provided with a first internal thread (6) and a second internal thread (7), one end of the inner sleeve (3) is provided with a first external thread (4), one end of the gas pipe joint (10) is provided with a second external thread (11), the inner sleeve (3) is installed on the outer sleeve (5) through the first internal thread (6) and the first external thread (4), and the gas pipe joint (10) is installed on the outer sleeve (5) through the second internal thread (7) and the second external thread (11); the inner side of the outer sleeve (5) is provided with an annular boss (8), and the outer sleeve (5) is provided with a notch (9) at a first internal thread section of the outer sleeve (5); the connecting terminal is provided with a circular mounting part (12) and a connecting part (13), and the circular mounting part (12) is provided with a through hole (14); in the outer sleeve (5), the circular mounting part (12) is mounted between the first outer thread section of the inner sleeve (3) and the annular boss (8), and the connecting part (13) extends out of the outer sleeve (5) through the notch (9).
2. An air-cooled cable joint according to claim 1, characterized in that: the inner sleeve (3) and the outer sleeve (5) are made of hard plastics.
3. An air-cooled cable joint according to claim 1, characterized in that: the connecting terminal is made of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120691432.7U CN215452486U (en) | 2021-04-06 | 2021-04-06 | Air cooling cable joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120691432.7U CN215452486U (en) | 2021-04-06 | 2021-04-06 | Air cooling cable joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215452486U true CN215452486U (en) | 2022-01-07 |
Family
ID=79703899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120691432.7U Active CN215452486U (en) | 2021-04-06 | 2021-04-06 | Air cooling cable joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215452486U (en) |
-
2021
- 2021-04-06 CN CN202120691432.7U patent/CN215452486U/en active Active
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