CN112635647A - Thermoelectric module capable of well radiating and manufacturing method thereof - Google Patents
Thermoelectric module capable of well radiating and manufacturing method thereof Download PDFInfo
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- CN112635647A CN112635647A CN202011529404.1A CN202011529404A CN112635647A CN 112635647 A CN112635647 A CN 112635647A CN 202011529404 A CN202011529404 A CN 202011529404A CN 112635647 A CN112635647 A CN 112635647A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/10—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects
- H10N10/13—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects characterised by the heat-exchanging means at the junction
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/01—Manufacture or treatment
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/10—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects
- H10N10/17—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects characterised by the structure or configuration of the cell or thermocouple forming the device
Abstract
The invention discloses a thermoelectric module capable of well radiating, which comprises a plurality of folding radiating plates and refrigerating sheets, wherein the folding radiating plates are formed by folding a radiating plate, and heat absorbing surfaces of the folding radiating plates are arranged on the refrigerating sheets. The folding heat dissipation plate and the refrigerating piece are connected together through the adhesive on the two sides of the refrigerating piece, when the positive electrode and the negative electrode of the conducting wire of the refrigerating piece are electrified, the current forms a working loop, the refrigerating piece generates heat, and at the moment, the copper heat dissipation plates on the two sides play a heat dissipation role and transfer away the heat generated by the refrigerating piece. The invention provides a thermoelectric module which has good heat dissipation effect and simple manufacture and can dissipate heat well and a manufacturing method thereof.
Description
Technical Field
The invention relates to the technical field of refrigeration and heat dissipation, in particular to a thermoelectric module capable of dissipating heat well and a manufacturing method thereof.
Background
The existing thermoelectric module generally comprises a thermoelectric cooling sheet, a heat-conducting silicone grease and an aluminum radiator. The existing structure has two major defects: firstly, due to the limitation of the processing technology of the aluminum profile radiator, the radiator can only be made into a straight tooth shape, the tooth thickness is thick, and the space between the teeth is large, so that the radiating area is relatively small; secondly, in order to meet the requirement of heat dissipation capacity, only the heat radiator can be enlarged, so that the length of the common heat radiator is more than 4 times of that of the thermoelectric cooling sheet, the width of the heat radiator is more than at least 3 times of that of the cooling sheet, and the height of the heat radiator is more than 10 times, even 20 times or more of that of the cooling sheet, thereby leading to larger volume of the whole module; thirdly, the length, the width, the height, the tooth pitch and the like of the radiators at the two sides are different, and the radiators need to be manufactured and managed separately, so that more raw materials are consumed, and the cost is higher. To sum up, the existing structure is not suitable for the occasions with compact space, high requirement on heat dissipation capacity and low requirement on cost, and is not suitable for the development requirement on light weight of the modules in the future. In order to improve the situation, the structure of the copper radiating fin is introduced, and the requirements of small volume and large radiating capacity are met.
Chinese patent publication No. CN1445841, published 2015, 05 and 20, entitled heat sink with serpentine slotted fins, includes a serpentine slotted fin (26) for a heat sink (10), the heat sink (10) for cooling an electronic device (12) having a heat dissipating surface (14). The heat sink (10) includes a plate (16) having a first surface (18) and a second surface (20), wherein the first surface (18) is configured to receive heat from a surface (14) of the electronic device (12). A heat sink (26) is bonded to the second surface and includes a plurality of offset sidewall portions (48). The radiating effect of this application scheme is not good to can not fully take away the heat on the refrigeration piece.
Disclosure of Invention
The invention provides a thermoelectric module which has good heat dissipation effect and simple manufacture and can dissipate heat well and a manufacturing method thereof, aiming at overcoming the problems of poor heat dissipation effect or complex manufacture in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the technical scheme adopted by the invention for solving the technical problems is as follows: a thermoelectric module capable of dissipating heat well comprises a plurality of folding heat dissipation plates and refrigeration sheets, wherein the folding heat dissipation plates are formed by folding a heat dissipation plate, and heat absorption surfaces of the folding heat dissipation plates are arranged on the refrigeration sheets. The folding heat dissipation plate and the refrigerating piece are connected together through the adhesive on the two sides of the refrigerating piece, when the positive electrode and the negative electrode of the conducting wire of the refrigerating piece are electrified, the current forms a working loop, the refrigerating piece generates heat, and at the moment, the copper heat dissipation plates on the two sides play a heat dissipation role and transfer away the heat generated by the refrigerating piece.
Preferably, the folding heat dissipation plate comprises a long folding heat dissipation plate and a short folding heat dissipation plate, and the distance from the outermost side of the long folding heat dissipation plate to the refrigeration piece is larger than the distance from the outermost side of the short folding heat dissipation plate to the refrigeration piece. The folding heating panel can dispel the heat of refrigeration piece, and long folding heating panel and short folding heating panel can form the heat dissipation inequality when the heat dissipation, and then arouse the air convection for the air flows, improves the radiating effect.
Preferably, the long folding heat dissipation plate and the short folding heat dissipation plate respectively comprise a heat absorption plate, a connecting plate and a heat dissipation plate, the left side of the heat absorption plate is connected with a first connecting plate, the right side, opposite to the heat absorption plate, of the heat absorption plate is connected with a second connecting plate, the left side of the heat dissipation plate is connected with a second connecting plate, the right side, opposite to the heat absorption plate, of the heat absorption plate is connected with a first connecting plate, and the heat absorption plates are arranged on the refrigerating sheet. The heat absorbing plates are arranged on the refrigerating sheet in a mutually adjacent mode, so that the heat dissipation area is increased, the heat dissipation effect is improved, and the heat absorbing plates, the connecting plates and the heat releasing plates can be formed by folding one heat dissipation plate, so that the heat dissipation plate is simple to manufacture.
Preferably, the width of the connecting plate of the long folding heat dissipation plate is larger than that of the short folding heat dissipation plate.
Preferably, the long folding heat dissipation plate and the short folding heat dissipation plate are arranged on the refrigerating sheet in an intermediate manner. The heat of refrigeration piece can be dispelled through arranging folding heating panel in the time, and long folding heating panel and short folding heating panel can form the heat dissipation inequality when the heat dissipation, and then arouse the air convection for the air current improves the radiating effect.
Preferably, the two surfaces of the refrigeration sheet are both provided with folding heat dissipation plates. Thus, the heat dissipation area is increased, and the heat dissipation effect is improved.
Preferably, the folding heat dissipation plate comprises a heat absorption plate, connecting plates and heat dissipation plates, wherein the left side of the heat absorption plate is connected with a first connecting plate, the right side, opposite to the heat absorption plate, is connected with a second connecting plate, the left side of the heat dissipation plate is connected with a second connecting plate, the right side, opposite to the heat absorption plate, is connected with a first connecting plate, the heat absorption plates are mutually and adjacently arranged on a refrigerating sheet, each heat dissipation plate is provided with a plurality of heat dissipation holes, and two heat dissipation connecting plates are arranged on two sides of each heat dissipation hole. The heat dissipation cavity can be used for dissipating heat inside the folding heat dissipation plate, so that the heat is prevented from accumulating inside the folding heat dissipation plate to influence the heat dissipation efficiency, and the heat dissipation connection plate can accelerate the process.
Preferably, the heat dissipation connecting plates on two sides of the heat dissipation cavity are connected with the external heat dissipation plate at one end far away from the refrigerating sheet. The external heat dissipation plate can increase the heat dissipation effect.
A method for manufacturing a thermoelectric module capable of dissipating heat well, which uses the above-mentioned thermoelectric module capable of dissipating heat well, comprising the following steps: a plurality of grooves are cut on one side, away from the refrigeration piece, of the folding heat dissipation plate, the heat dissipation plate is cut off, and the heat dissipation plate is punched towards one side, away from the refrigeration piece, by the aid of punching equipment, so that a heat dissipation connection plate and an external heat dissipation plate are formed. Use cutting device to surely go out a plurality of grooves on folding heating panel very easily, the process is simple, then uses stamping equipment to go out the heating panel punching press and draw out heat-dissipating connecting plate and external heating panel, compares other designs, and the technical scheme of this application is simple and easy.
Therefore, the invention has the following beneficial effects: (1) the heat dissipation structure can be applied to occasions with compact space, high heat dissipation capacity requirement and low cost;
(2) the heat of the refrigerating sheet can be dissipated through the folding heat dissipation plates arranged at intervals, and the long folding heat dissipation plate and the short folding heat dissipation plate can be unevenly dissipated when dissipating heat, so that air convection is caused, air flow is accelerated, and the heat dissipation effect is improved;
(3) the module has small volume and light weight, and can meet the development requirement of light weight of the module;
(4) the manufacturing process of the module is convenient;
(5) the heat dissipation holes can dissipate heat inside the foldable heat dissipation plate, so that heat accumulation inside the foldable heat dissipation plate is avoided, the heat dissipation efficiency is prevented from being influenced, and the process can be accelerated by the heat dissipation connecting plate;
(6) use cutting device to surely go out a plurality of grooves on folding heating panel very easily, the process is simple, then uses stamping equipment to go out the heating panel punching press and draw out heat-dissipating connecting plate and external heating panel, compares other designs, and the technical scheme of this application is simple and easy.
Drawings
FIG. 1 is a schematic diagram of a structure of the present invention
FIG. 2 is a top view of a structure of the present invention
FIG. 3 is a side view of a structure of the present invention
FIG. 4 is a partial schematic view of the present invention
In the figure: 1. the refrigerator comprises a refrigerating sheet, 2 folded heat dissipation plates, 21 short folded heat dissipation plates, 22 long folded heat dissipation plates, 211 second connecting plates, 212 first connecting plates, 213 heat dissipation plates, 214 heat absorption plates and 3 heat dissipation connecting plates. 4. An external heat radiation plate.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
Example (b): a thermoelectric module capable of radiating well comprises a plurality of folding radiating plates 2 and refrigerating sheets 1, wherein the folding radiating plates are formed by folding a radiating plate, and heat absorbing surfaces of the folding radiating plates are arranged on the refrigerating sheets. The folding heat dissipation plate comprises a long folding heat dissipation plate 22 and a short folding heat dissipation plate 21, and the distance from the outermost side of the long folding heat dissipation plate to the refrigeration sheet is larger than the distance from the outermost side of the short folding heat dissipation plate to the refrigeration sheet. The long folding heat dissipation plate and the short folding heat dissipation plate respectively comprise a heat absorption plate 214, a connecting plate and a heat dissipation plate 213, the left side of the heat absorption plate is connected with a first connecting plate, the right side opposite to the heat absorption plate is connected with a second connecting plate 211, the left side of the heat dissipation plate is connected with a second connecting plate 212, the right side opposite to the heat absorption plate is connected with a first connecting plate, and the heat absorption plates are mutually and closely arranged on a refrigerating sheet. The width of the connecting plate of the long folding heat dissipation plate is larger than that of the short folding heat dissipation plate. The long folding heat dissipation plate and the short folding heat dissipation plate are arranged on the refrigerating sheet in an intermediate mode. Folding heating panels are arranged on both sides of the refrigerating sheet. The heat dissipation plate is made of copper.
Firstly, coating a layer of special adhesive on the heat absorption surface of the refrigerating sheet through a printing screen; then the refrigeration sheet is turned over, a layer of special adhesive is also coated on the heat release surface of the refrigeration sheet, and the thickness of the adhesive needs to be carefully controlled; then the folding heat dissipation plate is put into a special fixing jig; then putting the refrigerating sheet with 5 adhesive on both sides on the folding heat dissipation plate; then the heat absorbing surface copper heat radiating fin is placed on the refrigerating fin; then, firmly buckling the special fixing jig; then putting the mixture into a drying oven for heating and drying the adhesive; and finally, taking out the jig and disassembling the product.
The folding heat dissipation plate and the refrigerating piece are connected together through the adhesive on the two sides of the refrigerating piece, when the positive electrode (+), the negative electrode (-) of the conducting wire of the refrigerating piece are electrified, the current forms a working loop, the refrigerating piece generates heat, and at the moment, the copper heat dissipation plates on the two sides play a heat dissipation role and transfer away the heat generated by the refrigerating piece.
The folding heating panel can dispel the heat of refrigeration piece, and long folding heating panel and short folding heating panel can form the heat dissipation inequality when the heat dissipation, and then arouse the air convection for the air flows, improves the radiating effect.
The heat absorbing plates are arranged on the refrigerating sheet in a mutually adjacent mode, so that the heat dissipation area is increased, the heat dissipation effect is improved, and the heat absorbing plates, the connecting plates and the heat releasing plates can be formed by folding one heat dissipation plate, so that the heat dissipation plate is simple to manufacture.
The heat of refrigeration piece can be dispelled through arranging folding heating panel in the time, and long folding heating panel and short folding heating panel can form the heat dissipation inequality when the heat dissipation, and then arouse the air convection for the air current improves the radiating effect.
Thus, the heat dissipation area is increased, and the heat dissipation effect is improved.
Example 2: the same technical scheme as that of the embodiment 1 is adopted, and the difference is that: the folding heat dissipation plate comprises a heat absorption plate, connecting plates and heat dissipation plates, wherein a first connecting plate is connected to the left side of the heat absorption plate, a second connecting plate is connected to the right side, opposite to the heat absorption plate, a second connecting plate is connected to the left side of the heat dissipation plate, a first connecting plate is connected to the right side, opposite to the heat absorption plate, the heat absorption plate is arranged on a refrigerating sheet in a mutually adjacent mode, a plurality of heat dissipation holes are formed in each heat dissipation plate, and two heat dissipation connecting plates are arranged on two sides of each heat. The heat dissipation cavity can enable heat inside the folding heat dissipation plate to be dissipated, heat accumulation inside the folding heat dissipation plate is avoided, heat dissipation efficiency is prevented from being affected, and the progress can be accelerated through the heat dissipation connecting plate. The heat radiation connecting plates 3 on two sides of one heat radiation hole are connected with the external heat radiation plate at one end far away from the refrigerating sheet. The external heat dissipation plate 4 can increase the heat dissipation effect.
The invention comprises a method for manufacturing a thermoelectric module capable of radiating heat well, and the method for manufacturing the thermoelectric module capable of radiating heat well comprises the following steps: a plurality of grooves are cut on one side, away from the refrigeration piece, of the folding heat dissipation plate, the heat dissipation plate is cut off, and the heat dissipation plate is punched towards one side, away from the refrigeration piece, by the aid of punching equipment, so that a heat dissipation connection plate and an external heat dissipation plate are formed. Use cutting device to surely go out a plurality of grooves on folding heating panel very easily, the process is simple, then uses stamping equipment to go out the heating panel punching press and draw out heat-dissipating connecting plate and external heating panel, compares other designs, and the technical scheme of this application is simple and easy.
Claims (9)
1. A thermoelectric module capable of dissipating heat well is characterized by comprising a plurality of folding heat dissipation plates and refrigeration sheets, wherein the folding heat dissipation plates are formed by folding a heat dissipation plate, and heat absorption surfaces of the folding heat dissipation plates are arranged on the refrigeration sheets.
2. The thermoelectric module with excellent heat dissipation as set forth in claim 1, wherein the folded heat dissipation plate comprises a long folded heat dissipation plate and a short folded heat dissipation plate, and the outermost side of the long folded heat dissipation plate is spaced from the refrigerating sheet more than the outermost side of the short folded heat dissipation plate.
3. The thermoelectric module of claim 2, wherein the long and short folded heat dissipating plates each comprise a heat absorbing plate, connecting plates and a heat dissipating plate, the heat absorbing plate is connected to a first connecting plate on a left side thereof, the heat absorbing plate is connected to a second connecting plate on an opposite right side thereof, the heat dissipating plate is connected to a second connecting plate on a left side thereof, the heat absorbing plate is connected to a first connecting plate on an opposite right side thereof, and the heat absorbing plates are disposed adjacent to each other on the cooling plate.
4. A thermoelectric module with excellent heat dissipation according to claim 2 or 3, wherein the width of the connecting plate of the long folded radiating plate is larger than that of the short folded radiating plate.
5. The thermoelectric module with excellent heat dissipation as set forth in claim 2, wherein the long folded radiating plate and the short folded radiating plate are arranged alternately on the cooling sheet.
6. The thermoelectric module with good heat dissipation as claimed in claim 1, wherein the cooling plate has folded heat dissipation plates on both sides.
7. The thermoelectric module of claim 1, wherein the folded heat dissipating plate comprises a heat absorbing plate, a connecting plate and a heat dissipating plate, wherein a first connecting plate is connected to a left side of the heat absorbing plate, a second connecting plate is connected to an opposite right side of the heat absorbing plate, a second connecting plate is connected to a left side of the heat dissipating plate, a first connecting plate is connected to an opposite right side of the heat absorbing plate, the heat absorbing plates are disposed adjacent to each other on the cooling plate, each heat dissipating plate has a plurality of heat dissipating holes, and two heat dissipating connecting plates are disposed on both sides of one heat dissipating hole.
8. The thermoelectric module with good heat dissipation as set forth in claim 7, wherein the heat-dissipating connecting plates on both sides of a heat-dissipating hollow are connected to the external heat-dissipating plate at the end away from the cooling plate.
9. A method for manufacturing a thermoelectric module capable of dissipating heat well, using the thermoelectric module capable of dissipating heat well according to any one of claims 1, 7 and 8, comprising the steps of: a plurality of grooves are cut on one side, away from the refrigeration piece, of the folding heat dissipation plate, the heat dissipation plate is cut off, and the heat dissipation plate is punched towards one side, away from the refrigeration piece, by the aid of punching equipment, so that a heat dissipation connection plate and an external heat dissipation plate are formed.
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| CN202011529404.1A CN112635647B (en) | 2020-12-22 | 2020-12-22 | Thermoelectric module capable of well dissipating heat and manufacturing method thereof |
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| CN202011529404.1A CN112635647B (en) | 2020-12-22 | 2020-12-22 | Thermoelectric module capable of well dissipating heat and manufacturing method thereof |
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| CN112635647A true CN112635647A (en) | 2021-04-09 |
| CN112635647B CN112635647B (en) | 2022-10-25 |
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| CN112635647B (en) | 2022-10-25 |
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