CN217933356U

CN217933356U - Superconductive split flexible thermal connecting piece

Info

Publication number: CN217933356U
Application number: CN202222350973.0U
Authority: CN
Inventors: 蔡海青; 闫杰; 王良; 张�林
Original assignee: Zhejiang Bridgold Copper Science And Technology Co ltd
Current assignee: Zhejiang Bridgold Copper Science And Technology Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2022-11-29
Anticipated expiration: 2032-09-05

Abstract

The utility model discloses a superconductive components of a whole that can function independently flexible heat connecting piece, including a plurality of copper strands, its characterized in that: the copper stranded wires are uniformly distributed and form more than two layers, and two ends of each copper stranded wire are broken up and straightened; one end of each copper stranded wire which is uniformly distributed in more than two layers is sleeved with the same copper sleeve, the other end of each copper stranded wire is sleeved with the copper sleeve, the copper sleeves and the copper stranded wires are scattered, the two straightened ends of each copper stranded wire are in seamless compression fit, the corresponding copper sleeves are pressed into a flat shape through interference cold pressing, and connecting holes are further formed in the copper sleeves. The utility model discloses realize that one end is to the multiterminal heat transfer, nimble flexibility, the product levels, and the deflection is little, improves the yields.

Description

Superconductive split flexible thermal connecting piece

Technical Field

The utility model relates to an improved utility model of a heat exchange connector, in particular to an improved invention of a split flexible thermal connector for superconduction.

Background

The connection between the GM coldhead and the magnetic resonance system needs to transfer heat between two or more locations and provide variable displacement in the event of shock, vibration, mechanical function and thermal expansion or contraction, so there is a need for a flexible connection for absorbing vibration. The cryostat and cryocooler, and the daily shock and vibration profiles associated with the operation of the equipment, are closely related events and may be paired with vibration isolation systems and coldheads to provide additional damping, heat transfer, and mechanical decoupling.

In order to successfully use the GM coldhead to cool the superconducting magnet, it is necessary to establish an effective thermal connection between the GM coldhead and the superconducting magnet, so as to maximize the thermal conductivity between the GM coldhead and the superconducting magnet.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, provide a superconductive components of a whole that can function independently flexible heat connecting piece with.

In order to solve the technical problem, the utility model discloses an adopt following technical scheme to realize: the split flexible thermal connecting piece for superconduction comprises a plurality of copper stranded wires and is characterized in that: the copper stranded wires are uniformly distributed and form more than two layers, and two ends of each copper stranded wire are broken up and straightened; one end of each of the copper stranded wires which are uniformly distributed in more than two layers is sleeved with the same copper sleeve, the other end of each of the copper stranded wires is sleeved with the copper sleeve, the copper sleeves and the copper stranded wires are scattered, the two straightened ends of each of the copper stranded wires are in seamless compression fit, the corresponding copper sleeves are pressed into flat shapes through interference cold pressing, and connecting holes are further formed in the copper sleeves.

The copper bush which is pressed into a flat shape by interference cold pressing is subjected to heat treatment by adopting a vacuum welding technology.

And performing finish machining treatment on the surface of the hardened area of the copper bush after the heat treatment.

And an annular groove is formed in the inner wall of the sleeved port of the copper sleeve.

And the annular groove and the inner wall of the copper sleeve are in 45-degree slope transition.

And the outer end corner and the inner end corner of the sleeved port of the copper sleeve are both processed into round corners.

The copper stranded wire is made of a TU0 copper wire, and the diameter of a single wire of the TU0 copper wire is 0.05-0.15mm.

The beneficial effects of the utility model are that the superconductive components of a whole that can function independently flexible heat connecting piece after the improvement realizes that one end is to the multiterminal heat transfer, nimble flexibility, the product is level and smooth, and the deflection is little, improves the yields, has effectively solved the problem that needs in the finite space with energy dispersion to a plurality of devices, can satisfy aerospace and portable electronic equipment high heat conduction, lightweight requirement simultaneously.

Drawings

The following describes the present invention in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the structure of the present invention.

Fig. 3 is a sectional view of the copper sleeve of the present invention.

Detailed Description

The structure of the present invention is shown in the attached drawings, and the details thereof will be further described with reference to the attached drawings. In the embodiment, the split flexible thermal connecting piece for superconduction comprises a plurality of copper stranded wires 2, wherein the copper stranded wires 2 are made of TU0 copper wires, the diameter of each single wire of the TU0 copper wire is preferably 0.05-0.15mm, the plurality of copper stranded wires 2 are uniformly distributed and form more than two layers, and two ends of each copper stranded wire 2 are broken up and straightened; one end of a copper stranded wire 2 which is uniformly distributed more than two layers is sleeved into the same copper sleeve 1, the other end of the copper stranded wire 2 is sleeved into the copper sleeve 1 respectively, the copper sleeve 1 and the copper stranded wire 2 are scattered to be in seamless compression fit at two straightened ends, the corresponding copper sleeve 1 is flattened through compression and cold pressing, 500-ton hydraulic equipment is adopted for interference and cold pressing, a connecting hole 3 is further formed in the copper sleeve 1, the connecting hole 3 is formed through a milling process and used for being connected with devices such as a GM cold head and a superconducting magnet, heat transfer from one end to multiple ends is achieved, and energy is dispersed to multiple devices in a limited space.

As a further improved embodiment, the copper sleeve 1 which is subjected to interference cold pressing to be flat is subjected to heat treatment by adopting a vacuum welding technology, so that the compression joint stress and the gap are eliminated.

As a further improved specific implementation mode, the surface of the hardened area of the copper bush 1 after the heat treatment is subjected to finish machining, and the finish machining comprises conventional processes such as deburring, grinding and the like, so that the flatness and the roughness are ensured.

As a specific embodiment of further improvement, an annular groove 4 is arranged on the inner wall of the sleeved port of the copper sleeve 1; the annular groove 4 and the inner wall of the copper sleeve 1 are transited through a 45-degree slope 5; the outer end angle and the inner end angle of the sleeved port of the copper sleeve 1 are both processed into round angles. The setting of ring channel 4 can effectively avoid the copper sheathing 1 that the interference was colded pressed to cause the damage and influence evenly arrange to copper strands 2, and the setting of 45 degrees slopes and fillet further reduces the influence to copper strands 2.

In summary, the above are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a superconductive components of a whole that can function independently flexible thermal connecting piece, including a plurality of copper strands, its characterized in that: the copper stranded wires are uniformly distributed and form more than two layers, and two ends of each copper stranded wire are broken up and straightened; one end of each copper stranded wire which is uniformly distributed in more than two layers is sleeved with the same copper sleeve, the other end of each copper stranded wire is sleeved with the copper sleeve, the copper sleeves and the copper stranded wires are scattered, the two straightened ends of each copper stranded wire are in seamless compression fit, the corresponding copper sleeves are pressed into a flat shape through interference cold pressing, and connecting holes are further formed in the copper sleeves.

2. A split flexible thermal connector for superconducting as claimed in claim 1, wherein: the copper bush which is pressed into a flat shape by interference cold pressing is subjected to heat treatment by adopting a vacuum welding technology.

3. A split flexible thermal connector for superconducting as claimed in claim 2, wherein: and performing finish machining treatment on the surface of the hardened area of the copper bush after the heat treatment.

4. A split flexible thermal connector for superconducting as claimed in claim 1, wherein: and an annular groove is formed in the inner wall of the sleeved port of the copper sleeve.

5. A split flexible thermal connector for superconducting as claimed in claim 4, wherein: the annular groove and the inner wall of the copper sleeve are in 45-degree slope transition.

6. A split flexible thermal connector for superconducting according to claim 4, wherein: and the outer end corner and the inner end corner of the sleeved port of the copper sleeve are both processed into round corners.

7. A split flexible thermal connector for superconducting as claimed in claim 1, wherein: the copper stranded wire is made of a TU0 copper wire, and the diameter of a single wire of the TU0 copper wire is 0.05-0.15mm.