A hinge-type metal shell flexible heat pipe emulating the cervical vertebra structure of a bird

Abstract

The application relates to a hinge type metal shell flexible heat pipe imitating the cervical vertebra structure of a bird, which comprises a rigid metal shell, a hinge type flexible metal shell, a polymer sealing layer, a liquid absorbing core and a liquid working medium; the number of the rigid metal shells is at least two, the rigid metal shells are connected through the hinge type flexible metal shell, the polymer sealing layer wraps the hinge type flexible metal shell, so that the interiors of the rigid metal shell and the hinge type flexible metal shell are connected into a sealed cavity, and the liquid absorbing core and the liquid working medium are located in the sealed cavity. The application adopts the hinge type metal universal rotator with metal as the shell, has high thermal conductivity and good flexibility, and can effectively solve the heat dissipation problem of the current flexible screen electronic equipment and belongs to the heat pipe field.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of heat pipes, in particular to a hinge type metal shell flexible heat pipe imitating the structure of the cervical vertebrae of birds. BACKGROUND

[0002] Phase change heat dissipation technology is widely used in the heat dissipation system of various electronic devices, and is an effective means to solve the heat dissipation problem of electronic devices. Traditional phase change heat transfer elements have a metal shell and cannot be bent at will, making it difficult to meet the heat dissipation needs of flexible electronic devices such as wearable VR devices and flexible screens. Existing flexible phase change heat transfer elements usually use flexible polymers as the shell, which has a low thermal conductivity, and currently there is no flexible heat pipe with a metal shell that can be bent at will. SUMMARY

[0003] In view of the technical problems existing in the prior art, the purpose of the present application is to provide a hinge type metal shell flexible heat pipe imitating the structure of the cervical vertebrae of birds, which adopts a metal shell and can be flexibly bent.

[0004] In order to achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0005] A hinge type metal shell flexible heat pipe imitating the structure of the cervical vertebrae of birds, comprising a rigid metal shell, a hinge type flexible metal shell, a polymer sealing layer, a wick and a liquid working medium; the number of rigid metal shells is at least two, the rigid metal shells are connected by the hinge type flexible metal shell, the polymer sealing layer wraps the hinge type flexible metal shell, so that the interiors of the rigid metal shell and the hinge type flexible metal shell are connected into a sealed cavity; the wick and the liquid working medium are located in the sealed cavity.

[0006] As a preferred embodiment, the hinge type flexible metal shell comprises at least one hinge type metal universal joint; the hinge type metal universal joint comprises an upper ball chamber, a lower ball chamber and a steering ball; the upper ball chamber is connected with the lower ball chamber, and a cavity for accommodating the steering ball is formed between the upper ball chamber and the lower ball chamber; the steering ball is provided with a channel, the lower ball chamber is provided with a channel, and the channel of the steering ball communicates with the channel of the lower ball chamber, so as to communicate the two ends of the hinge type metal universal joint.

[0007] As a preferred embodiment, the steering ball is provided with a through channel, and the inner side of the steering ball is an installation part connected with the rigid metal shell or the adjacent hinge type metal universal joint; the inner side of the upper ball chamber is provided with an upper cavity at the upper part and an installation part sleeved on the outer side of the lower ball chamber at the lower part; the inner side of the lower ball chamber is provided with a lower cavity at the upper part, a channel for the steering ball to pass in and out when rotating at the middle part, a through channel at the lower part, an installation part matched with the installation part of the upper ball chamber at the upper part of the outer side, and an installation part connected with the other rigid metal shell or the adjacent hinge type metal universal joint at the lower part of the outer side; the upper cavity of the upper ball chamber and the lower cavity of the lower ball chamber form a cavity for the steering ball to rotate flexibly.

[0008] As a kind of preferred, the lower part of the lower ball chamber is a connecting pipe, the outer diameter of the connecting pipe is same with the inner diameter of the channel of the steering ball;When two sections of hinged metal universal rotator are connected, the connecting pipe of the upper section of hinged metal universal rotator is inserted into the steering ball of the lower section of hinged metal universal rotator for installation.

[0009] As a kind of preferred, in the lower ball chamber, the inner diameter of the inner lower channel is less than the inner diameter of the inner middle channel.

[0010] As a kind of preferred, the upper ball chamber and the lower ball chamber are connected by internal and external threads, or by welding;The steering ball and the rigid metal shell or the adjacent hinged metal universal rotator are connected by internal and external threads, or by welding;The lower ball chamber and the rigid metal shell or the adjacent hinged metal universal rotator are connected by internal and external threads, or by welding.

[0011] As a kind of preferred, the rigid metal shell is a circular pipe, and the ends of the circular pipe are closed.

[0012] As a kind of preferred, the liquid absorbing core is a silk screen sintering type liquid absorbing core.

[0013] As a kind of preferred, the liquid working medium is one or several of pure water, ethanol and acetone.

[0014] As a kind of preferred, the polymer sealing layer is a polymer film with thermal shrinkage, which is wrapped outside the hinged flexible metal shell by heating and shrinking;Or the polymer sealing layer is a polymer solution applied outside the hinged flexible metal shell, which is formed after solidification.

[0015] The principle of the present application is:

[0016] The present application provides a hinged metal shell flexible phase change heat transfer element imitating the cervical vertebra structure of birds, which utilizes the good flexibility, hollow structure and good air tightness of the cervical vertebra of birds, imitates the joint structure of the cervical vertebra of birds, and manufactures a hollow metal part with a similar structure of the cervical vertebra of birds, according to actual needs, a certain number of metal parts are spliced to realize the manufacture of the hinged metal shell flexible phase change heat transfer element with the structure of the cervical vertebra of birds.

[0017] In the position needing bending, the hinged metal universal rotator is used, and the number of hinged metal universal rotators is selected according to the degree of bending, so that the heat pipe not only has high thermal conductivity, but also can be flexibly bent.

[0018] In general, the present application has the following advantages:

[0019] 1. The heat pipe has a metal outer shell and adopts a hinged metal universal rotator. It has high thermal conductivity and good flexibility, which can effectively solve the heat dissipation problem of current flexible screen electronic devices.

[0020] 2. Bending is achieved through a hinged metal universal rotator, which improves the low thermal conductivity of flexible heat dissipation devices with polymer shells and enables high-efficiency heat dissipation.

[0021] 3. A polymer sealing layer is used to ensure the airtightness of the phase change heat transfer element.

[0022] 4. It adopts a wire mesh sintered liquid suction core, which has good flexibility and can exert good capillary performance in a bent state.

[0023] 5. The present invention can flexibly arrange multiple hinged flexible metal shells according to the bending parts as needed, and flexibly select multiple hinged metal universal rotators according to the degree of bending. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of a flexible heat pipe with a hinged metal shell, inspired by the cervical spine structure of a bird.

[0025] Figure 2 This is a three-dimensional connection diagram of a three-section hinged metal universal joint.

[0026] Figure 3 This is a cross-sectional view of a three-section hinged metal universal joint.

[0027] Figure 4 This is a 3D diagram of the upper ball court.

[0028] Figure 5 This is a 3D diagram of the steering ball.

[0029] Figure 6 This is a 3D diagram of the lower ball court.

[0030] Among them, 1 is a rigid metal shell, 2 is a hinged flexible metal shell, 3 is a polymer sealing layer, 21 is the upper ball chamber, 22 is the steering ball, and 23 is the lower ball chamber. Detailed Implementation

[0031] The present invention will now be described in further detail with reference to specific embodiments.

[0032] Example 1

[0033] A hinge type metal shell flexible heat pipe imitating the cervical vertebra structure of a bird, comprising rigid metal shells, hinge type flexible metal shells, a polymer sealing layer, a wick and a liquid working medium. The number of rigid metal shells is two, the rigid metal shells are connected by hinge type flexible metal shells, the polymer sealing layer wraps the hinge type flexible metal shells, so that the interiors of the rigid metal shells and the hinge type flexible metal shells are connected into a sealed cavity, and the wick and the liquid working medium are located in the sealed cavity.

[0034] The rigid metal shell is a circular tube, the end of the circular tube is closed, and the material is red copper. The circular tube is a copper inner groove pipe with a diameter of 6 mm and a length of 50 mm, one end of the circular tube has an M6 inner thread, and the other end of the circular tube has an M6 outer thread.

[0035] The hinge type flexible metal shell comprises three hinge type metal universal rotators, the hinge type metal universal rotators comprise upper ball chambers, lower ball chambers and steering balls, and the materials are red copper. The steering ball is provided with a through channel, the inner side of the steering ball is a mounting part connected with the rigid metal shell or an adjacent hinge type metal universal rotator, and has an M6 inner thread. The inner side of the upper ball chamber is provided with an upper cavity, the upper cavity is recessed inward, so as to limit the upward movement of the steering ball, the lower part of the inner side of the upper ball chamber is a mounting part sleeved on the outer side of the lower ball chamber and has an M8 inner thread. The inner side of the lower ball chamber is provided with a lower cavity, a channel for the steering ball to pass in and out, and a through channel. The channel is reduced to limit the downward movement of the steering ball. The outer side of the lower ball chamber is provided with a mounting part matched with the mounting part of the upper ball chamber and has an M8 outer thread. The lower part of the lower ball chamber is a 6 mm long connecting pipe, the outer diameter of the connecting pipe is the same as the inner diameter of the channel of the steering ball, and both have an M6 thread. When two hinge type metal universal rotators are connected, the connecting pipe of the upper hinge type metal universal rotator is inserted into the steering ball of the lower hinge type metal universal rotator. The inner diameter of the lower channel of the lower ball chamber is smaller than the inner diameter of the middle channel.

[0036] The wick is a silk screen sintering type wick.

[0037] The liquid working medium is pure water.

[0038] The polymer sealing layer is a polymer film with thermal shrinkage, which is wrapped outside the hinge type flexible metal shell by heating and shrinking.

[0039] The assembly process of the present application is as follows:

[0040] (1) the steering ball 22 is placed between the upper ball chamber 21 and the lower ball chamber 23, and the upper ball chamber 21 and the lower ball chamber 23 are assembled in a threaded fitting relationship, completing the assembly of the hinged metal universal joint; (2) the connecting pipe of the lower ball chamber 23 is assembled with the steering ball 22 through threading, completing the assembly of the 3-section hinged metal universal joint; (3) a rigid metal shell with an M6 external thread at one end is connected with the steering ball 22 through threading, and the other end of the rigid metal shell is sealed by using the pipe shrinking and gas shield welding process; (4) a rigid metal shell with an M6 internal thread at one end is assembled with the connecting pipe of the lower ball chamber through threading, at which time the outer shell of the flexible heat pipe is assembled, and the 200-mesh copper mesh wick is placed inside the pipe shell; (5) the iron fluorine dragon heat shrinkable pipe is sleeved outside the hinged flexible metal shell 2 located in the middle, a hot air gun is used to heat the heat shrinkable pipe, so that the heat shrinkable pipe shrinks tightly and wraps outside the hinged flexible metal shell, forming a polymer sealing layer 3; (6) the opening end of the rigid metal shell is treated by pipe shrinking process, vacuumized to 0Pa, and 2ml deionized water is filled as working medium, and the opening end of the rigid metal shell is sealed by using the extrusion and gas shield process; (7) the heat transfer performance of the flexible heat pipe is detected, and the flexible phase change heat transfer element is completed.

[0041] Example two

[0042] A hinged metal shell flexible heat pipe imitating the cervical spine structure of birds, comprising a rigid metal shell, a hinged flexible metal shell, a polymer sealing layer, a wick, and a liquid working medium.

[0043] The number of rigid metal shells is three sections, connected by two hinged flexible metal shells.

[0044] Each hinged flexible metal shell comprises four hinged metal universal joints.

[0045] The part not mentioned in this embodiment is the same as in example one.

[0046] Example three

[0047] A hinged metal shell flexible heat pipe imitating the cervical spine structure of birds, comprising a rigid metal shell, a hinged flexible metal shell, a polymer sealing layer, a wick, and a liquid working medium.

[0048] The number of rigid metal shells is four sections, connected by three hinged flexible metal shells.

[0049] Among the three hinged flexible metal shells, one section comprises four hinged metal universal joints, one section comprises three hinged metal universal joints, and one section comprises two hinged metal universal joints.

[0050] The part not mentioned in this embodiment is the same as in example one.

[0051] The above embodiments are the preferred embodiments of the present application, but the embodiments of the present application are not limited to the above embodiments, and any changes, modifications, substitutions, combinations, simplifications, etc. made without departing from the spirit and principles of the present application should be equivalent replacement manners and should be included in the protection scope of the present application.

Claims

1. A hinge-type metal enclosure flexible heat pipe emulating the cervical spine structure of a bird, characterized by: The application relates to a sealed container, which comprises a rigid metal shell, a hinged flexible metal shell, a polymer sealing layer, a liquid absorbing core and a liquid working medium. The rigid metal shell is connected with the hinged flexible metal shell through the polymer sealing layer. The hinged flexible metal shell comprises at least one hinged metal universal rotator. The hinged metal universal rotator comprises an upper ball chamber, a lower ball chamber and a steering ball. The steering ball is provided with a channel, and the lower ball chamber is provided with a channel. The steering ball is provided with a channel penetrating through the steering ball. The inner side of the steering ball is provided with a mounting part connected with the rigid metal shell or the adjacent hinged metal universal rotator. The upper side of the inner side of the upper ball chamber is provided with an upper cavity, and the lower side of the inner side of the upper ball chamber is provided with a mounting part sleeved on the outer side of the lower ball chamber.

2. A hinged metal casing flexible heat pipe emulating the cervical spine structure of a bird according to claim 1, characterized in that: The upper side of the inner side of the lower ball chamber is provided with a lower cavity, the middle part of the inner side of the lower ball chamber is provided with a channel for the steering ball to pass through, the lower part of the inner side of the lower ball chamber is provided with a channel penetrating through the lower ball chamber, the upper side of the outer side of the lower ball chamber is provided with a mounting part matched with the mounting part of the upper ball chamber, and the lower side of the outer side of the lower ball chamber is provided with a mounting part connected with the other rigid metal shell or the adjacent hinged metal universal rotator.

3. A hinged metal shell flexible heat pipe emulating the cervical spine structure of a bird according to claim 1, characterized in that: The upper cavity of the upper ball chamber and the lower cavity of the lower ball chamber form a cavity for the steering ball to rotate.

4. A hinged metal casing flexible heat pipe emulating the cervical spine structure of a bird according to claim 2, characterized in that: The lower part of the lower ball chamber is provided with a connecting pipe with the same outer diameter as the channel of the steering ball.

5. A hinged metal shell flexible heat pipe emulating the structure of cervical vertebrae of a bird according to any one of claims 1 to 4, characterized in that: The inner diameter of the lower part of the inner side of the lower ball chamber is smaller than the inner diameter of the middle part of the inner side of the lower ball chamber.

6. A hinged metal shell flexible heat pipe emulating the structure of cervical vertebrae of a bird according to any one of claims 1 to 4, characterized in that: The upper ball chamber and the lower ball chamber are connected through internal and external threads or welding.

7. A hinged metal shell flexible heat pipe emulating the structure of cervical vertebrae of a bird according to any one of claims 1 to 4, characterized in that: The steering ball and the rigid metal shell or the adjacent hinged metal universal rotator are connected through internal and external threads or welding.

8. A hinged metal shell flexible heat pipe emulating the structure of cervical vertebrae of a bird according to any one of claims 1 to 4, characterized in that: The lower ball chamber and the rigid metal shell or the adjacent hinged metal universal rotator are connected through internal and external threads or welding. The rigid metal shell is a circular pipe, and the end of the circular pipe is closed. The liquid absorbing core is a silk screen sintering type liquid absorbing core. The liquid working medium is one or more of pure water, ethanol and acetone. The polymer sealing layer is a polymer film with thermal shrinkage, which is wrapped on the outside of the hinged flexible metal shell through heating and shrinkage; or the polymer sealing layer is a polymer solution coated on the outside of the hinged flexible metal shell and formed through solidification.

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