阅读说明：本技术 高温均热板 (High-temperature soaking plate ) 是由 程长青 于 2020-06-14 设计创作，主要内容包括：本发明一种高温均热板包括冷凝板,蒸发板,支撑架,低熔点合金。支撑架固定在蒸发板和冷凝板之间的空腔内,蒸发板和冷凝板的边缘互相连接固定密封,支撑架提高了蒸发板和冷凝板的平面承压效能。低熔点合金填充在蒸发板和冷凝板之间的支撑架中,低熔点合金在高温均热板的空腔内进行固液相变的传热,低熔点金属受热融化后也不会产生过高压力的。高温均热板的蒸发板与冷凝板之间的空腔内是常压状态,蒸发板与冷凝板之间有一点泄漏进气,也不影响高温均热板的使用。传热温度在300℃～500℃的高温均热板可以在锅炉,厨具炒锅等高温场景中做导热传热应用。高温均热板的结构简单,制作工艺简易,制造成本低。(The high-temperature soaking plate comprises a condensing plate, an evaporating plate, a support frame and low-melting-point alloy. The support frame is fixed in the cavity between evaporating plate and the condensing plate, and the edges of evaporating plate and condensing plate are connected with each other for fixed sealing, and the support frame improves the plane pressure-bearing efficiency of evaporating plate and condensing plate. The low-melting-point alloy is filled in the support frame between the evaporation plate and the condensation plate, the low-melting-point alloy conducts solid-liquid phase change heat transfer in the cavity of the high-temperature soaking plate, and the low-melting-point metal cannot generate over-high pressure after being heated and melted. The cavity between the evaporating plate and the condensing plate of the high-temperature soaking plate is in a normal-pressure state, and a little air leakage is formed between the evaporating plate and the condensing plate, so that the use of the high-temperature soaking plate is not influenced. The high-temperature vapor chamber with the heat transfer temperature of 300-500 ℃ can be applied to heat conduction and heat transfer in high-temperature scenes such as boilers, kitchen ware and woks. The high-temperature soaking plate has the advantages of simple structure, simple manufacturing process and low manufacturing cost.)

1. A high-temperature soaking plate comprises a condensing plate (1), an evaporating plate (2), a support frame (3) and a low-melting-point alloy (4); the method is characterized in that: the edges of the evaporation plate (2) and the condensation plate (1) are mutually connected, fixed and sealed, a cavity is formed at the concave position between the evaporation plate (2) and the condensation plate (1), and the inside of the cavity is fixedly supported by a support frame (3);

one surface of the support frame (3) is fixed on the evaporation plate (2), and the other surface is fixed on the condensation plate (1); the support frame (3), the evaporation plate (2) and the condensation plate (1) are fixed into a whole;

the support frame (3) is a metal net (6) or a stamping plate (8);

the low-melting-point alloy (4) is arranged in the support frame (3) between the evaporating plate (2) and the condensing plate (1).

2. A high temperature soaking plate according to claim 1, wherein: the thickness of the evaporating plate (2) is 0.05-1 mm, and the thickness of the condensing plate (1) is 0.05-1 mm.

3. A high temperature soaking plate according to claim 1, wherein: the thickness of the support frame (3) is 1-8 mm.

4. A high temperature soaking plate according to claim 1, wherein: the metal net (6) is woven by metal wires, and the diameter of the metal wires is 0.1-1 mm.

5. A high temperature soaking plate according to claim 1, wherein: the stamping plate (8) is integrally formed by stamping or processing a metal sheet (7) by other processes, and the adjacent row spacing of each row of convex holes is 2-8 mm.

6. A high temperature soaking plate according to claim 1, wherein: the low-melting-point alloy (4) is a metal or alloy having a melting point of 180 ℃ or lower.

Technical Field

The invention relates to a soaking plate, in particular to a high-temperature soaking plate.

Background

The existing vapor chamber is a flat plate, the upper and lower evaporation plates are mutually sealed with the condensation plate, and the interior is a vacuum cavity with a microstructure; when the vapor chamber works in liquid-gas phase-change heat transfer, the liquid in the cavity is vaporized to cause the pressure to be far higher than the atmospheric pressure, so that the vapor chamber is prevented from bulging, the traditional vapor chamber is provided with special reinforcing ribs to connect the cover plate and the bottom plate, the manufacturing cost is high, and the vapor chamber is not suitable for large-scale production. The heat transfer temperature of the vapor chamber is about 80-120 ℃, and the vapor chamber with liquid-gas phase change heat transfer cannot be applied to a boiler, a kitchen ware and a wok in a high-temperature scene of 300-500 ℃.

Disclosure of Invention

The invention provides a high-temperature soaking plate, which aims to solve the problems of soaking plates in the market.

In order to achieve the purpose, the invention is realized by the following technical scheme: a high-temp soaking plate is composed of condensing plate, evaporating plate, supporting frame and low-smelting-point alloy.

The high-temperature soaking plate is round in appearance, 18-580 mm in diameter and 1.5-18 mm in thickness. The high-temperature soaking plate is square in appearance, the length is 30-580 mm, the width is 18-380 mm, and the thickness is 1.5-18 mm. The shape and the size of the high-temperature soaking plate are designed into proper sizes according to the actual needs of heat transfer and heat dissipation.

The heating surface below the high-temperature soaking plate is an evaporating plate, and the heat transfer and radiation surface above the high-temperature soaking plate is a condensing plate.

The material for making the condensation plate and the evaporation plate is metal plate. The metal plate is a stainless steel plate, or a steel plate, or an aluminum plate, or other material plates according to requirements. The condensing plate and the evaporating plate are provided with stamped reinforcing ribs; the reinforcing ribs are integrated with the condensing plate and the evaporating plate. The reinforcing ribs are of a circular ring type or of a strip type. The strengthening rib has strengthened the level and smooth intensity of face of condensing panel and evaporating plate, has improved the bending resistance of the roughness of the face of condensing panel and evaporating plate.

The thickness of the evaporation plate is 0.05-1 mm, and the thickness of the condensation plate is 0.05-1 mm.

The thickness of the support frame is 1-8 mm.

The support frame is a metal net or a stamping plate.

The metal net is woven and processed by metal wires, and the thickness of the metal net is 1-8 mm; the wire is a steel wire, or a stainless steel wire, or a wire of other suitable material. The diameter of the metal wire is 0.1 to 1 mm.

The stamping plate is integrally formed by stamping or processing a metal sheet by other processes. The thickness of the metal sheet is 0.1 to 1 mm. The thickness of the stamping plate is 1-8 mm, and the thickness of the stamping plate comprises the height of a concave surface and the height of a convex surface. Convex surfaces of rows of convex holes on the upper and lower sides of the stamping plate protrude out of the metal sheet, and the adjacent row spacing of each row of convex holes is 2-8 mm. The convex holes are in the shape of trapezoidal wave crests and wave troughs alternately, the holes of the adjacent convex holes on the punching plate are communicated longitudinally and transversely, and the convex holes are in the shape of round mouths or square. The height of the convex surface of the convex hole protruding on the metal sheet is 0.4-3.5 mm, and the hole diameter of the convex hole is 1-10 mm.

The upper and lower of the metal sheet of the punching plate are respectively provided with a row of convex holes, the convex surface of each convex hole supports the corresponding part of the evaporation plate or the condensation plate on the same side, and the parts fixedly supported by the supporting frame evenly distribute the pressure to ensure that the stress of the evaporation plate and the stress of the condensation plate are basically the same. The high-temperature soaking plate has high-strength fixed supporting force of the supporting frame, and the inward collapse or outward expansion deformation of the evaporating plate or the condensing plate is avoided.

The evaporating plate and the condensing plate are processed by stamping, and the middle positions of the evaporating plate and the condensing plate after the metal plate is processed by stamping through a die are concave, or the middle position of the evaporating plate is concave, and the condensing plate is planar.

The edges of the evaporation plate and the condensation plate are mutually connected, fixed and sealed, a cavity is formed in the concave position between the evaporation plate and the condensation plate, and the inside of the cavity is fixedly supported by a support frame. Through the welding, the one side of support frame is fixed on the evaporating plate, and the another side is fixed on the condensing plate, and the support frame is fixed as an organic whole with evaporating plate, condensing plate, and the support frame has strengthened the plane pressure-bearing efficiency of evaporating plate and condensing plate.

The low melting point alloy is arranged in the support frame between the evaporating plate and the condensing plate.

As is well known, metals generally have the property of expanding with heat and contracting with cold. The volume of the liquid metal block after being heated is 13-15% larger than that of the original solid metal, and the volume of the solid metal block with the same weight after being cooled is 11-13% smaller than that of the original liquid metal.

The low-melting point alloy is a metal or alloy having a melting point of 180 ℃ or lower, and is usually composed of a low-melting point metal such as Sn, Pb, In, solder, or tin; the low-melting-point alloy is a low-melting-point alloy with a melting point of 70 ℃, or a low-melting-point alloy with a melting point of 100 ℃, or a low-melting-point alloy made of materials with different melting point temperatures according to the heat transfer temperature.

The invention discloses a manufacturing method of a high-temperature soaking plate, which comprises the following steps:

step one, a support frame is fixed on an evaporation plate. The lower surface of the support frame is fixed on the concave inner surface of the evaporation plate by welding technology, and the support frame and the evaporation plate are fixedly connected into a whole.

And secondly, heating and melting the low-melting-point alloy, filling the liquid low-melting-point alloy into the support frame in the concave shape of the evaporation plate, and filling the liquid low-melting-point alloy into the pores of the support frame.

And step three, cooling the liquid low-melting-point alloy to obtain a solid low-melting-point alloy. After the liquid low-melting-point alloy is cooled, the volume of the cooled solid low-melting-point alloy is reduced by 11-13% compared with the volume of the original liquid low-melting-point alloy, the cooled solid low-melting-point alloy is concave, a volume expansion space of 13-15% of the volume of the liquid low-melting-point alloy obtained by reheating and melting the solid low-melting-point metal is reserved, and the low-melting-point metal cannot generate too high pressure in the high-temperature soaking plate after being heated and melted.

And step four, covering the condensing plate on a support frame fixed with the solid-state low-melting-point alloy, welding the position of the condensing plate, which is attached to the support frame, by a welding technology, and connecting and fixing the condensing plate and the support frame into a whole.

And fifthly, connecting the edges of the evaporation plate and the condensation plate with each other, fixing and sealing, wherein the joint of the evaporation plate and the condensation plate is fixed, sealed and airtight.

And step six, checking. And packaging the qualified finished product of the high-temperature soaking plate to finish production.

The second method for manufacturing the high-temperature soaking plate comprises the following steps:

step one, a support frame is fixed on an evaporation plate. The lower surface of the support frame is fixed on the concave inner surface of the evaporation plate by welding technology, and the support frame and the evaporation plate are fixedly connected into a whole.

And step two, covering the condensing plate on a support frame fixed with the solid-state low-melting-point alloy, welding the position of the condensing plate, which is attached to the support frame, by a welding technology, and connecting and fixing the condensing plate and the support frame into a whole.

And step three, reserving an exhaust port and a feed port at the joint of the evaporation plate and the condensation plate, and connecting, fixing and sealing the edges of the evaporation plate and the condensation plate.

And step four, heating and melting the low-melting-point alloy, filling the liquid low-melting-point alloy into the support frame in the cavity between the evaporation plate and the condensation plate through the reserved feed inlet, and filling the liquid low-melting-point alloy into the pores of the support frame. And after the gas in the cavity between the evaporating plate and the condensing plate is extruded by the liquid-like low-melting-point alloy, the gas is discharged through a reserved exhaust port.

And step five, after the liquid low-melting-point alloy is cooled to be solid low-melting-point alloy, welding, fixing and sealing the reserved exhaust port and the reserved feed port. After the liquid low-melting-point alloy is cooled, the volume of the cooled solid low-melting-point alloy is reduced by 11-13% compared with the volume of the original liquid low-melting-point alloy, the cooled solid low-melting-point alloy is concave, 13-15% of the volume expansion space of the liquid low-melting-point alloy obtained by reheating and melting the solid low-melting-point metal is reserved, and the low-melting-point metal cannot generate too high pressure in the high-temperature soaking plate after being heated and melted.

And step six, checking. And packaging the qualified finished product of the high-temperature soaking plate to finish production.

The solid-liquid phase change heat transfer process of the low-melting-point alloy of the high-temperature soaking plate has the following advantages:

1. the support frame is fixed between evaporating plate and condensing plate, and the support frame has improved the plane pressure-bearing efficiency of evaporating plate and condensing plate.

2. The low melting point alloy performs solid-liquid phase change heat transfer in the cavity. When the evaporation plate is heated by an external heat source, the evaporation plate is a heated end, the solid low-melting-point alloy in the cavity, namely the molten liquid, is changed into liquid low-melting-point alloy, the liquid low-melting-point alloy conducts flow heat in the support frame in the cavity, the liquid low-melting-point alloy carries heat energy to be transferred to the condensation plate in the forms of heat conduction and heat radiation, and the heat energy is conducted and dissipated through the condensation plate.

3. The solid low-melting-point alloy in the cavity between the evaporating plate and the condensing plate is in a concave surface shape, and a space for volume expansion of the liquid low-melting-point alloy after the lower solid low-melting-point metal is heated and melted is reserved. Therefore, the low-melting-point metal does not generate excessive pressure after being melted by heat.

4. The cavity between the evaporating plate and the condensing plate of the high-temperature soaking plate is in a normal pressure state. The cavity between the evaporating plate and the condensing plate does not need to be vacuumized, the vacuum state does not need to be kept in the cavity, and a little air leakage is caused between the evaporating plate and the condensing plate, so that the use of the high-temperature soaking plate is not influenced.

5. The boiling point of the low-melting-point alloy of the high-temperature soaking plate determines the highest heat transfer temperature of the low-melting-point alloy, and the heat transfer temperature of the low-melting-point alloy of the soaking plate can be designed to be 300-500 ℃ according to the requirement of the heat transfer temperature. The high-temperature vapor chamber with the heat transfer temperature of 300-500 ℃ can be applied to heat conduction and heat transfer in high-temperature scenes such as boilers, kitchen ware and wok, chemical industry, food industry and the like.

6. The high-temperature soaking plate has the advantages of simple structure, simple manufacturing process and low manufacturing cost.

Compared with the existing vapor chamber, the vapor chamber has the following beneficial effects: a high-temp soaking plate is composed of condensing plate, evaporating plate, supporting frame and low-smelting-point alloy. The support frame is fixed in the cavity between evaporating plate and the condensing plate, and the edges of evaporating plate and condensing plate are connected with each other for fixed sealing, and the support frame improves the plane pressure-bearing efficiency of evaporating plate and condensing plate. The low-melting-point alloy is filled in the support frame between the evaporation plate and the condensation plate, the low-melting-point alloy performs solid-liquid phase change heat transfer in the cavity of the high-temperature soaking plate, and the low-melting-point metal cannot generate too high pressure after being heated and melted. The cavity between the evaporating plate and the condensing plate of the high-temperature soaking plate is in a normal-pressure state, and a little air leakage is formed between the evaporating plate and the condensing plate, so that the use of the high-temperature soaking plate is not influenced. The high-temperature soaking plate has the advantages of simple structure, simple manufacturing process and low manufacturing cost.

Description of the drawings:

FIG. 1 is a schematic structural view of a high-temperature soaking plate according to the present invention;

FIG. 2 is a schematic view of the fixed connection of the stamped plate type support frame, the condensing plate and the evaporating plate of the high temperature soaking plate of the invention;

FIG. 3 is a schematic structural view of a stamping plate of the support frame of the high-temperature soaking plate of the invention;

FIG. 4 is the schematic view of the fixed connection of the metal mesh type support frame, the condensing plate and the evaporating plate of the high-temperature soaking plate of the invention.

In the figure: 1. condensing plate, 2, evaporating plate, 3, support frame, 4, low-melting-point alloy, 5, convex surface, 6, metal net, 7, metal sheet, 8 and stamping plate.

The specific implementation mode is as follows:

the invention is further described below with reference to the accompanying drawings and examples.

Example 1:

referring to fig. 1, 2 and 3, the high-temperature soaking plate shown in fig. 1 comprises a condensing plate 1, an evaporating plate 2, a support frame 3 and a low-melting-point alloy 4.

The high temperature soaking plate was circular in appearance, 280mm in diameter and 5mm in thickness.

The condensing plate 1 and the evaporating plate 2 are made of stainless steel plates; the condensing plate 1 and the evaporating plate 2 are provided with reinforcing ribs which are punched into a whole with the condensing plate 1 and the evaporating plate 2.

The thickness of the evaporation plate 2 is 1mm, and the thickness of the condensation plate 1 is 0.1 mm.

The support frame 3 is a stamping plate 8; the thickness of the support frame 3 is 4 mm.

The stamping plate 8 is integrally formed by stamping and processing the metal sheet 7. The thickness of the metal thin plate 7 is 0.1mm, and the thickness of the punched plate 8 is 4 mm. The convex surfaces 5 of the punching plate 8, which are provided with rows of convex holes at the upper part and the lower part, protrude out of the metal sheet 7, the adjacent row spacing of each row of convex holes is 5mm, the holes of the convex holes on the punching plate 8 are communicated with each other longitudinally and transversely, and the shape of the convex holes is round. The height of the projection of the convex surface 5 on the metal sheet 7 is 2mm and the hole diameter of the convex hole is 5 mm.

The evaporating plate 2 and the condensing plate 1 are processed by punching, the middle position of the evaporating plate 2 after the metal plate is processed by punching through a die is concave, and the condensing plate 1 is planar.

The edges of the evaporation plate 2 and the condensation plate 1 are mutually connected, fixed and sealed, a cavity is formed in the concave position between the evaporation plate 2 and the condensation plate 1, and the inside of the cavity is fixedly supported by a support frame 3. One surface of the supporting frame 3 is fixed on the evaporating plate 2, and the other surface is fixed on the condensing plate 1; the support frame 3 is fixed with the evaporation plate 2 and the condensation plate 1 into a whole.

The low-melting-point alloy 4 is filled in the support frame 3 between the evaporating plate 2 and the condensing plate 1; the low melting point alloy 4 is a low melting point alloy having a melting point of 70 ℃.

The manufacturing method of the high-temperature soaking plate comprises the following steps:

firstly, a stamping plate 8 of a support frame 3 is fixed on an evaporation plate 2. The convex surface 5 of each convex hole on the metal sheet 7 of the stamping plate 8 supports the corresponding position of the evaporation plate 2 on the same side, the convex surface 5 below the stamping plate 8 of the support frame 3 is fixed on the concave inner surface of the evaporation plate 2 by welding technology, and the support frame 3 and the evaporation plate 2 are fixedly connected into a whole.

And step two, heating and melting the low-melting-point alloy 4, filling the liquid low-melting-point alloy 4 into the support frame 3 in the concave shape of the evaporating plate 2, and filling the liquid low-melting-point alloy 4 into the pores of the support frame 3.

And step three, cooling the liquid low-melting-point alloy 4 to obtain the solid low-melting-point alloy 4. After the liquid low-melting-point alloy 4 is cooled, the volume of the cooled solid low-melting-point alloy 4 is reduced by 11-13% compared with the volume of the original liquid low-melting-point alloy 4, the cooled solid low-melting-point alloy 4 is in a concave surface shape, a volume expansion space of 13-15% of the liquid low-melting-point alloy 4 is reserved after the solid low-melting-point metal is heated and melted again, and the low-melting-point metal cannot generate too high pressure in the high-temperature soaking plate after being heated and melted.

And step four, covering the condensing plate 1 on the convex surface 5 of the stamping plate 8 of the support frame 3 fixed with the solid low-melting-point alloy 4, welding the condensing plate 1 at the position of the convex surface 5 on the stamping plate 8 of the support frame 3 by a welding technology, and connecting and fixing the condensing plate 1 and the stamping plate 8 of the support frame 3 into a whole.

And fifthly, connecting the edges of the evaporation plate 2 and the condensation plate 1 with each other, fixing and sealing, wherein the joint of the evaporation plate 2 and the condensation plate 1 is fixed, sealed and airtight.

And step six, checking. And packaging the qualified finished product of the high-temperature soaking plate to finish production.

The high-temperature soaking plate with the heat transfer temperature of the low-melting-point alloy of the high-temperature soaking plate being 300-500 ℃ is used for soaking and heat transfer on a frying pan of a kitchen ware. The high-temperature soaking plate is arranged on the bottom of the pan, the pan body of the bottom of the pan is attached to the high-temperature soaking plate, the high-temperature soaking plate can uniformly conduct heat generated by a heat source to the pan body of the bottom of the pan, and the central position of the bottom of the pan cannot be overheated.

Example 2:

referring to fig. 1, a high temperature soaking plate shown in fig. 4 comprises a condensing plate 1, an evaporating plate 2, a support frame 3 and a low melting point alloy 4.

The high temperature soaking plate has either a square shape, a length of 380mm, a width of 280mm and a thickness of 6 mm.

The combination structure of the high temperature soaking plate of the embodiment 2 is the same as that of the high temperature soaking plate of the embodiment 1, and the description thereof is omitted.

Referring to fig. 1, the supporting frame 3 of a high temperature soaking plate shown in fig. 4 is a metal mesh 6. The metal net 6 is woven and processed by metal wires, and the thickness of the metal net 6 is 5 mm; the wire is a stainless steel wire, the diameter of which is 0.2 mm.

The middle positions of the evaporation plate 2 and the condensation plate 1 are concave.

The manufacturing method of the high-temperature soaking plate comprises the following steps:

step one, the support frame 3 is fixed on the evaporation plate 2. The lower surface of the metal net 6 of the support frame 3 is fixed on the concave inner surface of the evaporation plate 2 by welding technology, and the metal net 6 of the support frame 3 is fixedly connected with the evaporation plate 2 into a whole.

And step two, covering the condensing plate 1 on the metal mesh 6 of the support frame 3 fixed with the solid low-melting-point alloy 4, welding the condensing plate 1 on the upper part of the metal mesh 6 of the support frame 3 by a welding technology, and connecting and fixing the condensing plate 1 and the metal mesh 6 of the support frame 3 into a whole.

And step three, reserving an exhaust port and a feed port at the joint of the evaporation plate 2 and the condensation plate 1, and connecting, fixing and sealing the edges of the evaporation plate 2 and the condensation plate 1.

Heating and melting the low-melting-point alloy 4, filling the liquid low-melting-point alloy 4 into the metal mesh 6 of the support frame 3 in the cavity between the evaporating plate 2 and the condensing plate 1 through the feeding hole, and filling the liquid low-melting-point alloy 4 into the pores of the metal mesh 6 of the support frame 3; the gas in the cavity between the evaporating plate 2 and the condensing plate 1 is exhausted through an exhaust port.

And step five, after the liquid low-melting-point alloy 4 is cooled to be the solid low-melting-point alloy 4, welding, fixing and sealing the exhaust port and the feed port.

And step six, checking. And packaging the qualified finished product of the high-temperature soaking plate to finish production.

The above embodiments are only used to help understand the manufacturing method and the core concept of the present invention, and the specific implementation is not limited to the above specific embodiments, and those skilled in the art can make changes without creative efforts from the above concepts, which all fall within the protection scope of the present invention.