TWI696802B - Roll bond plate evaporator structure and manufacturing method thereof - Google Patents

Abstract

A roll bond plate evaporator structure and a manufacturing method thereof. The roll bond plate evaporator structure includes a heat dissipation member, at least one inlet and at least one outlet. The heat dissipation member is composed of a first plate body and a second plate body, which are correspondingly mated with each other. The first and second plate bodies together define a flow way. A working fluid is filled in the flow way. The inlet is formed at one end of the heat dissipation member in communication with the flow way and the outlet is formed at the other end of the heat dissipation member in communication with the flow way.

Description

Inflatable plate structure and its manufacturing method

The invention relates to an inflation plate structure and a manufacturing method thereof, in particular to an inflation plate structure and a manufacturing method thereof which can enhance the sealing performance of a seal and greatly reduce the risk of leakage of working fluid.

Existing mobile devices, personal computers, servers, communication cases, or other systems or devices have improved computing performance, and the heat generated by their internal computing units has also increased. Therefore, a heat dissipation unit is more needed to assist their heat dissipation. Most manufacturers choose radiators (composed of multiple cooling fins), heat pipes, temperature equalization plates and other cooling elements to match the fans for auxiliary heat dissipation, and choose a heat dissipation device (radiator) when they need to dissipate heat in a large area. And cooling fan for forced cooling.

At present, there are manufacturers on the market who use inflation plates to replace traditional heat dissipation fins. Whether the inflation plate or the inflation process is used in the manufacturing process, graphite powder and flux are sprayed during the welding process. Subsequent manufacturing, therefore, there will be impurities in the flow path of the inflation plate and cannot be removed, and once the flow path is evacuated, the impurities in the flow path may be extracted together and adsorbed into the vacuum device , Resulting in easy destruction of the vacuum device and reduced life. Furthermore, when the inflation plate is filled with a working fluid and sealed, due to the presence of impurities in the flow channel, it is easy to cause the seal to be difficult to seal the seal during welding, causing the working fluid to leak easily Risk, the problem of significantly increasing the defect rate.

As mentioned above, the conventional knowledge has the following disadvantages: 1. It is not easy to seal the seal; 2. The working fluid is prone to the risk of leakage; 3. The vacuum device is very easy to damage.

Therefore, how to solve the above-mentioned problems and deficiencies in practice is the one where the inventors of this case and related manufacturers engaged in this industry are desperate to study the direction of improvement.

Therefore, in order to effectively solve the above problems, the main object of the present invention is to provide an inflation plate structure that greatly enhances the sealing performance of the seal.

The secondary object of the present invention is to provide an inflation plate structure that greatly reduces the risk of leakage of working fluid.

The secondary objective of the present invention is to provide an inflation plate structure that greatly improves the product yield.

The secondary object of the present invention is to provide an inflation plate structure that prevents damage to the vacuum device.

The secondary object of the present invention is to provide a method for manufacturing an inflation plate that greatly enhances the sealing performance of the seal.

The secondary object of the present invention is to provide a method for manufacturing an inflation plate that greatly reduces the risk of leakage of working fluid.

The secondary object of the present invention is to provide a method for manufacturing an inflation plate that greatly improves the product yield.

The secondary object of the present invention is to provide a method for manufacturing an inflation plate that prevents damage to a vacuum device.

To achieve the above object, the present invention provides an inflation plate structure, which includes a heat dissipation element and at least one inlet and at least one outlet. The heat dissipation element is composed of a first plate body and a second plate body corresponding to each other , And the first and second plates jointly define a flow channel, the flow channel is filled with a working fluid, and the inlet and the outlet are formed at both ends of the heat dissipating member and communicate with the flow channel.

In order to achieve the above object, the present invention provides a method for manufacturing an inflation plate, which includes the following steps: providing a heat dissipating member having at least one inlet and at least one outlet, and a heat channel and the inlet and the outlet are formed inside the heat dissipating member Communicate with each other, provide a cleaning liquid into the interior of the heat sink from the inlet, so that the cleaning liquid flows from the inlet to the flow channel and then to the outlet to be discharged to the outside of the heat sink, providing a sealing device The outlet is sealed, a vacuum device is provided to evacuate the flow channel, and a working fluid is injected from the inlet to close the inlet.

Through the structural design and manufacturing method of the present invention, since the flow channel has been flushed with the cleaning solution, there will be no impurities in the flow channel. Therefore, during the manufacturing process of the heat dissipation element, all When the vacuum device performs vacuuming on the flow channel, the problem of damage caused by impurities remaining in the flow channel, in addition, the inlet and the outlet can also be flushed out by the cleaning solution to discharge impurities at the same time. The inlet and the outlet greatly increase the sealing of the inlet and the outlet when performing the sealing treatment welding, thereby reducing the risk of leakage of the working fluid and greatly improving the product yield.

1: Inflatable plate structure

10: Heat sink

101: the first plate

1010: First recess

102: second board

1020: Second recess

103: the first end

104: second end

105: runner

2: working fluid

3: entrance

4: Export

5: Capillary structure

S1~S6: Step

Figure 1 is an exploded perspective view of the first embodiment of the inflation plate structure of the present invention; Figure 2 is a perspective assembled view of the first embodiment of the inflation plate structure of the present invention; Figure 3 is a blown view of the present invention A cross-sectional view of the first embodiment of the inflation plate structure; FIG. 4 is a cross-sectional view of the second embodiment of the inflation plate structure of the present invention; FIG. 5 is a step flow of the first embodiment of the manufacturing method of the inflation plate of the present invention Figure 6 is a flow chart of the steps of the second embodiment of the manufacturing method of the inflation plate of the present invention; Figure 7 is a flow chart of the steps of the third embodiment of the manufacturing method of the inflation plate of the present invention; It is a flow chart of the steps of the fourth embodiment of the manufacturing method of the inflation plate of the present invention.

The above objects, structural and functional characteristics of the present invention will be described based on the preferred embodiments of the accompanying drawings.

Please refer to FIGS. 1 to 3, which are perspective views of a first embodiment of an inflation plate structure of the present invention. As shown in the figure, an inflation plate structure 1 includes a heat sink 10 and at least one inlet 3 and at least An outlet 4, the heat dissipation element 10 is formed by a corresponding cover of a first plate 101 and a second plate 102, and the heat dissipation element 10 further has a first end 103 and a second end 104, the first A plate 101 has a plurality of first recesses 1010, and the second plate 102 has a plurality of second recesses 1020, the first and second recesses 1010, 1020 are correspondingly attached to make the first and second plates 101, 102 is correspondingly covered, and the outer peripheral sides of the first and second recesses 1010 and 1020 corresponding to the cover are connected to each other to form a first flow channel 105, and the flow channel 105 is filled with a working fluid 2 at the first end of the heat sink 10 The inlet 3 is formed at 103, the outlet 4 is formed at the second end 104 of the heat sink 10, and the inlet 3 and the outlet 4 and the flow channel 105 are in communication with each other.

Please refer to FIG. 4 for the second embodiment of the inflation plate structure of the present invention. In one embodiment, at least one capillary structure 5 is further provided on the inner wall of the flow channel 105, and the capillary structure 5 is a grid Any one or a combination of a body or fiber body or a porous structure or groove or whisker, the purpose of which is to multiply the gas-liquid two-phase circulation of the working fluid 2 inside the heat sink 10 Of effect.

Please refer to FIG. 5, which is a flow chart of the steps of the first embodiment of the method for manufacturing an inflation plate of the present invention. As shown in the figure, a method for manufacturing an inflation plate includes the following steps:

S1: Provide a heat dissipation member (sheet, plate) having at least one inlet and at least one outlet, and a channel is formed inside the heat dissipation member to communicate with the inlet and the outlet; first, a heat dissipation member 10 is provided, and the heat dissipation member 10 is composed of a first plate body 101 and a second plate body 102 that are correspondingly covered by welding, stamping, snapping or other combination methods. The first and second plates 101 and 102 are correspondingly closed At least one inlet 3 is formed at one end, corresponding to the other At least one outlet 4 is formed at the end, and the first and second plates 101, 102 together define a first-class channel 105. The inlet 3, the flow channel 105, and the outlet 4 are mutually connected. It should be noted that the heat dissipating member 10 is A blown board.

S2: Provide a cleaning liquid into the inside of the heat dissipation element from the inlet, so that the cleaning liquid flows from the inlet to the flow channel and then to the outlet to be discharged to the outside of the heat dissipation element; A cleaning liquid is injected into the flow path 105 of the heat dissipation element 10 through the inlet 3 of the heat dissipation element 10, so that the cleaning liquid flows through the flow path 105 from the inlet 3 first, and finally the cleaning solution flows out from the outlet 4 and is discharged To the outside of the heat dissipation member 10, in this step, the inside of the heat dissipation member 10 is flushed by the continuous circulation of the cleaning solution to remove impurities in the flow channel 105. It should be noted that the cleaning The liquid system is a chemical agent.

S3: providing a sealing device for sealing the outlet; and providing a sealing device, which may be a welding device or other equivalent device, the welding device is selected to use argon arc welding or flame welding or high frequency welding or The laser welding or wheel welding method first seals the exit 4 of the cleaned heat sink 10.

S4: Provide a vacuum device to evacuate the flow channel, and inject a working fluid from the inlet and close the inlet.

Then, a vacuum device is correspondingly disposed at the inlet 3 of the heat sink 10 to enable the vacuum device to evacuate the flow channel 105, and then a working fluid 2 is injected from the inlet 3 and the inlet 3 The vacuum device can be a vacuum pump or other equivalent device to complete the manufacturing process of the inflation plate structure 1 by closing.

Please refer to FIG. 6 again, which is a flowchart of the steps of the second embodiment of the method for manufacturing an inflation plate of the present invention. The difference between this embodiment and the first embodiment of the method for manufacturing an inflation plate is that, in the S2: providing a The cleaning liquid is injected into the interior of the heat sink from the inlet, so that the cleaning liquid flows from the inlet to the flow channel After flowing to the outlet to be discharged to the outside of the heat sink, the method further includes a step:

S5: Provide a drying device to bake and dry the flow channel.

A drying device is used to bake and dry the flow channel 105 that has been cleaned by the cleaning solution, so that the inside of the flow channel 105 can be quickly dried to speed up the subsequent process.

Please refer to FIG. 7 again, which is a flow chart of the steps of the third embodiment of the method for manufacturing an inflation plate of the present invention. The difference between this embodiment and the first embodiment of the method for manufacturing an inflation plate is that, in the S2: providing a The cleaning liquid is injected into the inside of the heat dissipation member from the inlet, so that the cleaning liquid flows from the inlet to the flow channel and then to the outlet to be discharged to the outside of the heat dissipation member.

S6: Provide a liquid to be injected into the heat dissipation member from the inlet to rinse the cleaning liquid remaining in the flow channel and discharge to the outside of the heat dissipation member through the outlet.

The flow channel 105 cleaned by the cleaning liquid is reused by a liquid to be washed and dry cleaned again, that is, the flow channel 105 cleaned by the cleaning liquid is used by the heat dissipating member 10 using the liquid (which may be pure water) The inlet 3 is injected into the flow channel 105 inside the heat dissipation element 10 to completely wash the cleaning liquid remaining on the flow channel 105, and then is discharged to the outside of the heat dissipation element 10 through the outlet 4, of course, after this step is completed, The foregoing step S5 may be further performed: a drying device is provided to bake and dry the flow channel (the process is shown in FIG. 8 and is the fourth embodiment of the method for manufacturing an inflation plate of the present invention), and The subsequent manufacturing process is the same as the step flow of the second embodiment, so it will not be described in detail.

Therefore, through the structural design and manufacturing method of the present invention, since the flow channel 105 has been flushed with the cleaning solution and liquid, there will be no impurities in the flow channel 105. Therefore, the During the manufacturing process, the vacuum device can prevent the damage caused by the impurities remaining in the flow channel 105 when the flow channel 105 is evacuated. In addition, the inlet 3 and the outlet 4 can also be The cleaning liquid and liquid are washed to discharge impurities to the outside of the heat dissipation member 10, so that the sealing performance of the inlet 3 and the outlet 4 can be greatly increased when the sealing process welding is performed on the inlet 3 and the outlet 4, thereby reducing the outside of the working fluid 2 The risk of leakage greatly improves the product yield.

As mentioned above, the present invention has the following advantages over conventional ones: 1. Significantly enhances the sealing performance of the seal; 2. Significantly reduces the risk of leakage of working fluid; 3. Significantly improves the product yield; 4. Prevents damage to the vacuum device .

The present invention has been described in detail above, but the above is only one of the preferred embodiments of the present invention. When the scope of the present invention cannot be limited, that is, all changes and modifications made in accordance with the scope of the application of the present invention Etc., should still be covered by the patent of the present invention.

1: Inflatable plate structure

101: the first plate

1010: First recess

102: second board

1020: Second recess

105: runner

3: entrance

4: Export

Claims (11)

An inflation plate structure includes: a heat dissipation member, which is formed by correspondingly covering a first plate body and a second plate body, and the first plate body and the second plate body jointly define a flow path, and the flow path is filled A working fluid; at least one inlet corresponding to one end of the heat sink and communicating with the flow channel; and at least one outlet corresponding to the other end of the heat sink and communicating with the flow channel. The inflation plate structure according to claim 1, wherein the heat dissipating member further has a first end and a second end, the first end forms the inlet to communicate with the flow channel, and the second end forms The outlet is in communication with the flow channel. The inflation plate structure according to claim 1, wherein the first plate body has a plurality of first concave portions, the second plate body has a plurality of second concave portions, and the first and second concave portions correspond to each other to make The first and second recesses are connected to the outer peripheral side to form the flow channel. A method for manufacturing an inflation plate includes the following steps: providing a heat dissipating member having at least one inlet and at least one outlet, and forming a flow channel inside the heat dissipating member to communicate with the inlet and the outlet; providing a cleaning solution The inlet is injected into the inside of the heat dissipation member, so that the cleaning fluid flows from the inlet to the flow channel and then to the outlet to be discharged to the outside of the heat dissipation member; providing a sealing device to seal the outlet; and providing A vacuum device evacuates the flow channel, and injects a working fluid through the inlet and closes the inlet. The method for manufacturing an inflation plate according to claim 4, wherein said providing a cleaning liquid is injected into the interior of the heat sink from the inlet, so that the cleaning liquid flows from the inlet to the flow channel After flowing to the outlet to be discharged to the outside of the heat dissipation element, the method further includes a step of providing a drying device for baking and drying the flow channel. The method for manufacturing an inflation plate according to claim 4, wherein the providing a cleaning liquid is injected into the inside of the heat sink from the inlet, so that the cleaning liquid flows from the inlet to the flow channel and then to the outlet After being discharged to the outside of the heat dissipation element, it further includes a step of: providing a liquid to be injected into the inside of the heat dissipation element from the inlet, so as to rinse the cleaning liquid remaining in the flow channel and discharged to the heat dissipation element through the outlet external. The method for manufacturing an inflation plate according to claim 6, wherein the supply of a liquid is injected into the heat dissipation member from the inlet to rinse the cleaning liquid remaining in the flow channel and discharged to the outlet through the outlet After the heat dissipation element is external, it further includes a step: providing a drying device to perform baking and drying treatment on the flow channel. The method for manufacturing an inflation plate according to claim 4, wherein the cleaning liquid is a chemical agent. The method for manufacturing an inflation plate according to claim 6, wherein the liquid system is pure water. The method for manufacturing an inflation plate according to claim 4, wherein the sealing device is a welding device, and the welding device uses argon arc welding, flame welding, high frequency welding or laser welding to seal the outlet . The method for manufacturing an inflation plate according to claim 4, wherein the heat dissipation member is composed of a first plate body and a second plate body correspondingly covered by welding, and the first and second plate bodies are jointly defined The flow channel.

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