TWI612883B - Temperature-uniforming plate with supporting effect - Google Patents

Abstract

The present invention provides a temperature equalizing plate having a supporting gain effect, which mainly comprises a substrate, a cover plate and a frame member disposed between the inner surface of the substrate and the bottom surface of the cover plate, and the substrate and the cover. A vacuum chamber is formed between the plate and the frame member, and two inwardly extending support arms are respectively connected to the frame member, and the inwardly extending ends of the two inwardly extending support arms are spaced apart from each other and are oppositely arranged. Defining a fluid passage portion, and supporting the two inward support arms between the inner surface of the substrate and the bottom surface of the cover plate, and extending the length of the inner extension end of the two inner support arms to the heat conduction defined by the heat conduction surface of the corresponding substrate Within the scope of the region; thereby, the temperature equalizing plate can achieve both the thinned structure and the practical progress such as simple structure, favorable molding, low manufacturing cost, and better support rigidity.

Description

Mean temperature plate with support gain effect

The invention relates to a temperature equalizing plate; in particular to a novel structural type revealer of a uniform temperature plate with a supporting gain effect.

In the conventional design of the uniform temperature plate structure, the inner closed chamber is usually formed by a substrate and a cover plate formed by folding by means of punching and fixing together; When the temperature plate structure is larger in size and relatively better in plate thickness, the structural strength is basically not a problem. When assembled in a computer or other device, it can withstand normal pressure without deformation; however, when the temperature is uniform When the board is designed to be thinner in accordance with the computer device product, the thickness of the board and the height of the chamber are greatly reduced. As a result, the substrate and the cover plate are difficult to withstand large forces during assembly and locking and after assembly. A problem that causes deformation and thus affects its heat transfer effect.

Based on the problems mentioned in the previous paragraph, although the related industry has obtained support from the internal closed chamber of the uniform temperature plate through the provision of the support body, including adding a solid cylinder, a substrate or a cover plate to form a curved support edge, and utilizing Any form of capillary structure forming support shape, however, these conventional structural reinforcement forms still have some imperfections. For example, in the manner in which a solid cylinder is added, although the support effect is better, the process is improved. It is difficult and time-consuming to configure the positioning. In addition, the excessive distribution of solid cylinders directly affects the smoothness of the internal working fluid and steam flow. It is also easy to form the curved support edge of the substrate or cover plate. The problem of poor flatness of the substrate or the cover plate, and the rigidity of the support is not good; in addition to the shape of the support shape formed by the capillary structure, in addition to the problem that the process is difficult to perform, there is also support Problems and shortcomings of poor rigidity.

Therefore, in view of the problems existing in the above-mentioned conventional average temperature plate structure type, how to develop an innovative structure that can be more ideal and practical, and the relevant industry should further consider the goal and direction of breakthrough; The inventor has been engaged in the manufacturing development and design experience of related products for many years. After detailed design and careful evaluation of the above objectives, the inventor has finally obtained the practical invention.

The main object of the present invention is to provide a temperature equalizing plate with a supporting gain effect, and the technical problem to be solved is to think about how to develop a new type of uniform temperature plate structure type with more ideal practicability. Innovation breakthrough.

The technical feature of the present invention is mainly that the temperature equalizing plate system comprises: a substrate having a heat conducting surface and an inner surface; the substantial contact range of the heat conducting surface and the set heat source defines a heat conducting area; And the substrate is disposed in a spaced relationship with each other, the top surface of the cover plate and the bottom surface spaced apart from the substrate; a frame member is sandwiched and positioned on the circumferential side between the inner surface of the substrate and the bottom surface of the cover plate; a vacuum chamber is formed by an inner closed space formed by the inner surface of the substrate, the bottom surface of the cover plate and the frame member, and the vacuum chamber is provided with a capillary structure, a support portion and a working fluid, and the support portion The top support is between the inner surface of the substrate and the bottom surface of the cover; the two inner support arms are respectively connected to two opposite frame members, and the two inner support arms each have an inner extending end, and the inner extending end of the inner support arm Between the two spaced apart support arms, and the two inward support arms are supported between the inner surface of the substrate and the bottom surface of the cover; a fluid passage portion is spaced apart from each other by the inward end of the two inward support arms Separate configuration relationship ; Extending the support arm and the two ends of the inner projecting length extending the thermal transfer region extends to the range shall be thermally conductive surface of the substrate as defined in pairs.

The main effects and advantages of the present invention are that the frame member has the innovative technical features of the two inwardly extending support arms, so that the temperature equalization plate can achieve a simple structure and a favorable structure under the thinning structure. The utility model has the advantages of low manufacturing cost, good practical support rigidity and better industrial economic benefit.

Please refer to the first, second, third, fourth, and fifth figures, which are preferred embodiments of the present invention having a supporting temperature effect, but these embodiments are for illustrative purposes only, and are not used in patent applications. Limited by this structure;

The temperature equalizing plate A comprises the following structure: a substrate 10 having a heat conducting surface 11 and an inner surface 12, wherein the heat conducting surface 11 and a set heat source 05 (such as a central processing unit of a computer) have substantial contact range A heat-conducting region 13 is defined; a cover plate 20 is disposed in spaced relation to the substrate 10, and the cover plate 20 has a top surface 21 and a bottom surface 22 spaced apart from the substrate 10; a frame member 30 is formed a surrounding frame portion is disposed on a circumferential side portion between the inner surface of the substrate 10 and the bottom surface of the cover plate 20; a vacuum chamber 40, the inner surface 12 of the substrate 10, the bottom surface 22 of the cover plate 20, and The frame member 30 is formed by a relatively formed inner closed space, and the vacuum chamber 40 is provided with more than one capillary structure 41 and a support portion 42 (may be but not limited to being configured as a cylinder and a capillary structure) And the working fluid (not shown in the drawing), wherein the supporting portion 42 is supported between the inner surface 12 of the substrate 10 and the bottom surface 22 of the cover 20; The two inwardly extending support arms 31 each have an inwardly extending end 32, and the two inwardly extending ends are disposed at opposite sides of the frame member 30. The inwardly extending ends 32 of the arms 31 are spaced apart from each other, and the two inwardly extending support arms 31 are supported between the inner surface 12 of the substrate 10 and the bottom surface 22 of the cover plate 20; a fluid passage portion 33 And the inwardly extending ends 32 of the two inwardly extending support arms 31 are oppositely defined in a spaced apart relationship; and wherein the inwardly extending ends 32 of the two inwardly extending support arms 31 extend to a length It should be within the range of the thermally conductive region 13 defined by the thermally conductive surface 11 of the substrate 10.

With the above structural composition and technical features, the practical application of the uniform temperature plate A product of the present invention is as shown in FIG. 4, and the heat conduction surface 11 of the substrate 10 is in contact with the heat source 05 (such as a computer). The central processing unit), the heat introduced through the substrate 10 causes the working fluid in the vacuum chamber 40 to vaporize due to the temperature rise, thereby rapidly and uniformly transferring the thermal temperature to each part of the vacuum chamber 40 to achieve the purpose of soaking; In the technical content of the present invention, the two inward support arms 31 are respectively connected by the opposite ends of the frame member 30, and the inwardly extending ends 32 of the two inward support arms 31 are spaced apart from each other. The fluid channel portion 33 is oppositely defined, and the inward end 32 of the two inward support arms 31 has a length extending to a shape corresponding to the heat conduction region 13 defined by the heat conduction surface 11 of the substrate 10, The region of the vacuum chamber 40 where the original structural strength is the weakest (ie, the range corresponding to the heat conductive region 13) can be rigidly supported, and can effectively withstand the uniform temperature plate A product in the assembly process and after the assembly is completed. External And in terms of the process surface, the in-extension support arm 31 together with the frame member 30 can be formed by a simple, fast and low-cost metal plate punching technology, which can meet the better industrial economic benefits, and at the same time To achieve the thinning specification requirements, it can be easily realized. For example, if the frame member 30 adopts a plate thickness of 1.5 mm, the thinning space requirement can be achieved, and the metal frame member of the plate thickness is resistant to pressure and resistance. Bend can meet the requirements of this product.

The inwardly extending end 32 of the two inwardly extending support arms 31 is further provided with a curved portion or a bifurcated portion; this portion is the inwardly extending end 32B of the inwardly extending support arm 31B as disclosed in FIG. Each type is set to a different type of curved portion and bifurcation portion.

Wherein, the inwardly extending ends 32 of the two inwardly extending support arms 31 are mutually aligned or offset from each other in any one of the spaced relationship; this portion is as shown in FIG. The extending ends 32 are arranged in a spaced relationship with each other; and the inwardly extending ends 32B of the two inward supporting arms 31B as shown in FIG. 6 are disposed in a spaced relationship with each other. In this example, the shape of the different inward end 32B is also different.

As shown in Fig. 7, in this example, the inwardly extending end 32C of the two inwardly extending support arms 31C is further provided with a sub-fluid passage portion 34 in a concave shape at a front interval.

As shown in FIG. 8 , in the present embodiment, the two inward support arms 31 and the base plate 10 and the cover plate 20 are provided with at least two locking holes 50 penetrating through each other.

As shown in Fig. 9, in this example, the peripheral portion of the substrate 10 or the cover 20 is formed with stamped and formed bent edge portions 15, 25.

As shown in FIGS. 1 to 3, in this example, the frame member 30 is further provided with a breaking gap 35 for vacuuming and working fluid infusion of the vacuum chamber 40. For use in the passage, and after completion of the evacuation and working fluid infusion process, the break gap 35 is closed with a joint sealant 36 (such as solder, only labeled in Figure 1).

As shown in FIG. 10, in this example, the frame member 30 is further provided with a through hole 37 for use as a vacuuming and working fluid perfusion channel of the vacuum chamber 40, and After the evacuation and working fluid infusion steps are completed, the perforations 37 are closed with a caulking sealant (such as solder, not shown).

As shown in FIG. 11, in this example, the cover 20 is further provided with a working through slit 38 having a meandering cross section, and the working through slit 38 is used as the vacuum chamber 40. The vacuuming and working fluid perfusion channels are used, and after the vacuuming and working fluid infusion process is completed, the working through slits 38 are closed with a joint sealing material (such as solder, not shown).

Advantages of the present invention: The "average temperature plate having a supporting gain effect" disclosed by the present invention mainly comprises the substrate, the cover plate, the frame member, the vacuum chamber, the inward support arm, the fluid passage portion, and the like, and the second Innovative unique structural types and technical features, such as the extension of the inwardly extending end of the inwardly extending support arm to the extent of the thermally conductive region defined by the thermally conductive surface of the corresponding substrate, make the present invention in contrast to the conventional structure proposed in [Prior Art] The frame member has the innovative technical features of the two inward support arms at intervals, so that the temperature equalization plate can achieve a simple structure, facilitate molding, and low manufacturing cost under the thinning structure. The practical progress of better supporting the rigidity effect and the better industrial economic benefits.

A‧‧‧Wall plate

05‧‧‧heat source

10‧‧‧Substrate

11‧‧‧heat conduction surface

12‧‧‧ inside

13‧‧‧Heat conduction zone

15‧‧‧The edge of the twist

20‧‧‧ Cover

21‧‧‧ top surface

22‧‧‧ bottom

25‧‧‧The edge of the twist

30‧‧‧ frame

31, 31B, 32C‧‧‧inward support arm

32, 32B, 32C‧‧‧

33‧‧‧ Fluid Channel Department

34‧‧‧Subfluidic channel

35‧‧‧break gap

36‧‧‧Sealing Sealant

37‧‧‧Perforation

38‧‧‧Working through slits

40‧‧‧vacuum chamber

41‧‧‧Muscle tissue

42‧‧‧Support

50‧‧‧Lock hole

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view showing a combination of preferred embodiments of the temperature equalizing plate of the present invention. Figure 2 is a partially exploded perspective view of a preferred embodiment of the temperature equalizing plate of the present invention. Fig. 3 is a perspective view showing a detailed portion of a preferred embodiment of the temperature equalizing plate of the present invention. Figure 4 is a cross-sectional view showing a preferred embodiment of the temperature equalizing plate of the present invention. Figure 5 is a plan view of a preferred embodiment of the temperature equalizing plate of the present invention. Fig. 6 is a view showing another embodiment of the inward end type of the inward support arm of the present invention. Fig. 7 is a view showing an embodiment in which a sub-fluid passage portion is provided at an inner end of an inner extension support arm of the present invention. Fig. 8 is a view showing an embodiment in which the inner extending support arm of the present invention is provided with a locking hole penetrating through the substrate and the cover plate. Fig. 9 is a view showing an embodiment in which a peripheral portion of the substrate and the cover of the present invention is formed with a meandering edge portion. Fig. 10 is a view showing an embodiment in which a frame member of the present invention is provided with a perforation. Fig. 11 is a view showing an embodiment in which the frame member of the present invention is provided with a running through slit.

A‧‧‧Wall plate

10‧‧‧Substrate

11‧‧‧heat conduction surface

12‧‧‧ inside

13‧‧‧Heat conduction zone

20‧‧‧ Cover

21‧‧‧ top surface

22‧‧‧ bottom

30‧‧‧ frame

31‧‧‧Inside support arm

32‧‧‧Inside

33‧‧‧ Fluid Channel Department

35‧‧‧break gap

40‧‧‧vacuum chamber

41‧‧‧Muscle tissue

42‧‧‧Support

Claims (6)

A temperature equalizing plate having a supporting gain effect, the temperature equalizing plate comprising: a substrate having a heat conducting surface and an inner surface, wherein a substantial contact area of the heat conducting surface and a set heat source defines a heat conducting region; The cover plate is disposed in a spaced relationship with the substrate, the cover plate has a top surface and a bottom surface spaced apart from the substrate; a frame member is disposed on the inner surface of the substrate in a surrounding frame shape and a peripheral portion between the bottom surfaces of the cover plates; a vacuum chamber formed by the inner surface of the substrate, the bottom surface of the cover plate, and an inner closed space formed between the frame members, and the vacuum chamber Having more than one capillary structure, a support portion, and a working fluid, wherein the support portion is supported between the inner surface of the substrate and the bottom surface of the cover plate; and two inner support arms are respectively connected to the frame member The two inwardly extending support arms each have an inwardly extending end, and the inwardly extending ends of the two inwardly extending support arms are spaced apart from each other, and the two inwardly extending support arms are supported by the two The inner surface of the substrate and the bottom surface of the cover a fluid passage portion is formed by the oppositely defined relationship between the inwardly extending ends of the two inwardly extending support arms; and wherein the inwardly extending end of the two inwardly extending support arms extends to Corresponding to the heat conduction area defined by the heat conduction surface of the substrate; wherein the inward end of the two inward support arms is further provided with a curved portion or a bifurcation; wherein the inward end of the two inward support arms Between each other being aligned with each other or offset from each other in any one of the interval configuration relationships; Wherein, the inwardly extending end of the two inwardly extending support arms is further provided with a sub-fluid passage portion in a concave shape. The temperature equalizing plate having the supporting gain effect as described in claim 1, wherein the two inward supporting arms and the substrate and the cover system are further provided with at least two locking holes penetrating through each other. A temperature equalizing plate having a supporting gain effect as described in claim 2, wherein the substrate or the peripheral portion of the cover plate is further formed with a stamped and formed meandering edge portion. A temperature equalizing plate having a supporting gain effect as described in claim 1, 2 or 3, wherein the frame member is further provided with a breaking gap, and the breaking gap is used as the vacuum chamber. The vacuuming and working fluid perfusion channels are used, and the opening gap is closed with a sealing sealant after the vacuuming and working fluid infusion steps are completed. A temperature equalizing plate having a supporting gain effect as described in claim 1, 2 or 3, wherein the frame member is further provided with a perforation, and the perforation is used as a vacuuming of the vacuum chamber. The working fluid is perfused into the passage, and the perforation is closed with a caulking sealant after the vacuuming and working fluid infusion steps are completed. A temperature equalizing plate having a supporting gain effect as described in claim 1, 2 or 3, wherein the cover is further provided with a running through slit having a curved cross section, and the working through The slit is used as the vacuuming and working fluid perfusion channel of the vacuum chamber, and is sealed by a seam after the vacuuming and working fluid filling process is completed. The mouth material seals the through slit of the work.