阅读说明：本技术 磁力耦合驱动散热机构以及散热装置 (Magnetic coupling driving heat dissipation mechanism and heat dissipation device ) 是由 向建化 陈稀波 刘泽宇 廖红艳 邓亮明 于 2020-06-15 设计创作，主要内容包括：本发明公开了一种磁力耦合驱动散热机构以及散热装置,磁力耦合驱动散热机构用于安装在散热管上,包括：内叶轮,安装在散热管内部,内叶轮设置成能够在散热管内转动；内磁转子,设置成与内叶轮同轴转动；外磁转子,安装在散热管外部,外磁转子与内磁转子磁吸耦合,使得外磁转子能够跟随内磁转子同步转动；以及外叶轮,设置成与外磁转子同轴转动。磁力耦合驱动散热机构一般安装在散热管的受热端,通过在散热管上安装该装置,可充分利用热气流产生的动能,除去电磁能,无需额外提供动力即可驱动外叶轮转动,进而进一步提高散热效果。(The invention discloses a magnetic coupling driving heat dissipation mechanism and a heat dissipation device, wherein the magnetic coupling driving heat dissipation mechanism is used for being installed on a heat dissipation pipe and comprises the following components: an inner impeller installed inside the heat radiating pipe, the inner impeller being configured to be rotatable within the heat radiating pipe; an inner magnetic rotor arranged to rotate coaxially with the inner impeller; the outer magnetic rotor is arranged outside the radiating pipe and is magnetically coupled with the inner magnetic rotor, so that the outer magnetic rotor can synchronously rotate along with the inner magnetic rotor; and an outer impeller disposed to rotate coaxially with the outer magnetic rotor. The magnetic coupling driving heat dissipation mechanism is generally arranged at the heated end of the heat dissipation pipe, and the device is arranged on the heat dissipation pipe, so that kinetic energy generated by hot air flow can be fully utilized, electromagnetic energy is removed, the outer impeller can be driven to rotate without providing extra power, and the heat dissipation effect is further improved.)

1. Magnetic coupling drive heat dissipation mechanism for install on the cooling tube, its characterized in that includes:

an inner impeller installed inside the heat radiating pipe, the inner impeller being provided to be rotatable in the heat radiating pipe;

an inner magnetic rotor arranged to rotate coaxially with the inner impeller;

the outer magnetic rotor is arranged outside the radiating pipe and is magnetically coupled with the inner magnetic rotor, so that the outer magnetic rotor can synchronously rotate along with the inner magnetic rotor; and

an outer impeller disposed to rotate coaxially with the outer magnetic rotor.

2. The magnetically coupled driven heat dissipation mechanism of claim 1, wherein: the outer circumference of the inner magnetic rotor is provided with at least two first magnetic stripes distributed at intervals, the magnetic poles of the opposite ends of the two adjacent first magnetic stripes are different, the inner circumference of the outer magnetic rotor is provided with second magnetic stripes with the same number as the first magnetic stripes, the second magnetic stripes are paired with the first magnetic stripes one by one, the magnetic poles of the opposite ends of the two adjacent second magnetic stripes are different, and the magnetic poles of the paired first magnetic stripes and the magnetic poles of the paired second magnetic stripes are distributed oppositely.

3. The magnetically coupled driven heat dissipation mechanism of claim 2, wherein: the first magnetic stripe array is distributed on the outer periphery of the inner magnetic rotor, the second magnetic stripe array is distributed on the inner periphery of the outer magnetic rotor, and the second magnetic stripe is located right above the first magnetic stripe in the radial direction.

4. The magnetically coupled driven heat dissipation mechanism of claim 2 or 3, wherein: the outer magnetic rotor is arranged into a bearing structure, the bearing structure comprises an outer ring, a rolling part and an inner ring, the outer ring is fixedly arranged on the radiating pipe, the second magnetic strips are distributed on the inner side wall of the inner ring, and the inner ring is rotatably connected with the outer ring through the rolling part.

5. The magnetically coupled driven heat dissipation mechanism of claim 4, wherein: the inner ring is axially provided with a connecting key, and the outer impeller is fixedly connected with the inner ring through the connecting key.

6. The magnetically coupled driven heat dissipation mechanism of claim 4, wherein: a first preset gap is formed between the first magnetic strip and the inner peripheral wall of the radiating pipe, and a second preset gap is formed between the second magnetic strip and the outer peripheral wall of the radiating pipe.

7. Heat abstractor, its characterized in that: the magnetically coupled driving heat dissipation mechanism of any one of claims 1 to 6, comprising a heat dissipation pipe and a heat receiving end, wherein the heat dissipation pipe comprises a heat receiving end and a cooling end, the magnetically coupled driving heat dissipation mechanism is installed near the heat receiving end, and the outer impeller is used for driving an air flow to flow from the heat receiving end to the cooling end.

8. The heat dissipating device of claim 7, wherein: the heating end and the cooling end of cooling tube all are provided with connecting portion, connecting portion are planar, the surface area of connecting portion is greater than the cross-sectional area of cooling tube.

9. The heat dissipating device of claim 8, wherein: the radiating pipe is a straight pipe or a U-shaped pipe.

10. The heat dissipating device of claim 7, wherein: and a capillary core structure is arranged in the heat dissipation pipe.

Technical Field

The invention relates to the technical field of heat dissipation, in particular to a magnetic coupling driving heat dissipation mechanism and a heat dissipation device.

Background

At present, the development of the domestic magnetic transmission technology is relatively late, the application fields are relatively few, and the technology is not mature enough. There are also fewer devices that utilize magnetic coupling in the heat sink.

A circulation loop is formed in the existing radiating pipe, airflow flows from a heating end of the radiating pipe to a cooling end of the radiating pipe in the radiating pipe, the airflow flows in the pipe under the power of pressure difference, the thermal power of the airflow is directly wasted, and no effect can be brought to radiating.

Disclosure of Invention

The present invention is directed to solve at least one of the problems of the prior art, and provides a magnetic coupling driving heat dissipation mechanism and a heat dissipation device, which can utilize the power of the airflow in the heat dissipation tube to assist in heat dissipation.

The technical scheme adopted by the invention is as follows: magnetic coupling drive heat dissipation mechanism for install on the cooling tube, include: an inner impeller installed inside the heat radiating pipe, the inner impeller being provided to be rotatable in the heat radiating pipe; an inner magnetic rotor arranged to rotate coaxially with the inner impeller; the outer magnetic rotor is arranged outside the radiating pipe and is magnetically coupled with the inner magnetic rotor, so that the outer magnetic rotor can synchronously rotate along with the inner magnetic rotor; and an outer impeller disposed to rotate coaxially with the outer magnetic rotor.

The method has the following beneficial effects: the magnetic coupling driving heat dissipation mechanism is generally installed at the heated end of the heat dissipation pipe, the gas in the heat dissipation pipe expands when heated, the pressure is higher, and the gas flows to the cooling end under the action of the pressure difference. At the moment, the inner impeller arranged in the radiating pipe can rotate under the power action of airflow, the inner magnetic rotor rotates synchronously, the outer magnetic rotor rotates synchronously under the magnetic coupling effect, the outer impeller is driven to rotate, and wind energy generated by the outer impeller is used for heat dissipation of the heat pipe. By installing the device on the radiating pipe, the kinetic energy generated by hot air flow can be fully utilized, electromagnetic energy is removed, the outer impeller can be driven to rotate without additional power supply, and the radiating effect is further improved.

In some embodiments, at least two first magnetic strips distributed at intervals are arranged on the outer periphery of the inner magnetic rotor, magnetic poles of opposite ends of two adjacent first magnetic strips are different from each other, second magnetic strips with the same number as the first magnetic strips are arranged on the inner periphery of the outer magnetic rotor, the second magnetic strips are paired with the first magnetic strips one by one, magnetic poles of opposite ends of two adjacent second magnetic strips are different from each other, and the magnetic poles of the paired first magnetic strips and the magnetic poles of the paired second magnetic strips are distributed oppositely.

In some embodiments, the first magnetic stripe array is distributed on the outer periphery of the inner magnetic rotor, the second magnetic stripe array is distributed on the inner periphery of the outer magnetic rotor, and the second magnetic stripe is located directly above the first magnetic stripe in the radial direction.

In some embodiments, the outer magnetic rotor is configured as a bearing structure, the bearing structure includes an outer ring, a rolling portion, and an inner ring, the outer ring is fixedly installed on the heat dissipation pipe, the second magnetic strips are distributed on an inner sidewall of the inner ring, and the inner ring is rotatably connected with the outer ring through the rolling portion.

In some embodiments, the inner ring is formed with a connecting key along the axial direction, and the outer impeller is fixedly connected with the inner ring through the connecting key.

In some embodiments, a first predetermined gap is formed between the first magnetic strip and the inner peripheral wall of the heat pipe, and a second predetermined gap is formed between the second magnetic strip and the outer peripheral wall of the heat pipe.

The heat dissipation device comprises a heat dissipation pipe and a magnetic coupling drive heat dissipation mechanism, wherein the heat dissipation pipe comprises a heated end and a cooling end, the magnetic coupling drive heat dissipation mechanism is close to the heated end for installation, and an outer impeller is used for driving an air flow to the cooling end from the heated end.

In some embodiments, the heat receiving end and the cooling end of the heat dissipating pipe are both provided with a connection portion, the connection portion is planar, and the surface area of the connection portion is greater than the cross-sectional area of the heat dissipating pipe.

In some embodiments, the heat dissipation pipe is a straight pipe or a U-shaped pipe.

In some embodiments, a wick structure is disposed within the radiating pipe.

Drawings

The invention is further illustrated with reference to the following figures and examples:

fig. 1 is a schematic diagram illustrating an overall structure of a heat dissipation device in which a heat dissipation pipe is a straight pipe according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a magnetic coupling driving heat dissipation mechanism according to an embodiment of the present invention;

fig. 3 is a schematic distribution diagram of magnetic poles of magnetic strips on the inner magnetic rotor and the outer magnetic rotor.

Fig. 4 is a schematic view of the overall structure of a device in which the heat dissipation pipe is a U-shaped pipe according to the embodiment of the present invention.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.