KR20100098868A - Manufacturing method of heat pipe type cooling/heating panel - Google Patents

Manufacturing method of heat pipe type cooling/heating panel Download PDF

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KR20100098868A
KR20100098868A KR1020090017553A KR20090017553A KR20100098868A KR 20100098868 A KR20100098868 A KR 20100098868A KR 1020090017553 A KR1020090017553 A KR 1020090017553A KR 20090017553 A KR20090017553 A KR 20090017553A KR 20100098868 A KR20100098868 A KR 20100098868A
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South Korea
Prior art keywords
cooling
heating
panel body
panel
heat pipe
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KR1020090017553A
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Korean (ko)
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KR101086925B1 (en
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이종수
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이종수
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D13/00—Electric heating systems
    • F24D13/02—Electric heating systems solely using resistance heating, e.g. underfloor heating
    • F24D13/022—Electric heating systems solely using resistance heating, e.g. underfloor heating resistances incorporated in construction elements
    • F24D13/028—Glass panels, e.g. mirrors, design radiators, etc.
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/0275—Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/07—Heat pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/20—Heat consumers
    • F24D2220/2009—Radiators
    • F24D2220/2063—Central heating radiators having heat storage material incorporated
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/12—Hot water central heating systems using heat pumps

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

Abstract

PURPOSE: A method for manufacturing a heat pipe type cooling/heating panel is provided to reduce cooling-and-heating time and have uniform temperature distribution, since working fluid moves along a flow path and transfers heat to the outside. CONSTITUTION: A method for manufacturing a heat pipe type cooling/heating panel comprises following steps. A first panel body of a warship hull shape is manufactured(S10). A thin plate is bent in a concavo-convex shape and molds a corrugated panel(S20). Corrugated material is inserted inside the first panel body(S30). A second panel body of a warship hull shape is manufactured(S50). A cooling/heating unit is installed inside a second panel body(S60). The first panel body and the second panel body are connected(S70).

Description

Manufacturing method of heat pipe type heating and cooling panel {Manufacturing Method Of Heat Pipe Type Cooling / Heating Panel}

The present invention relates to a method for manufacturing a heat pipe type heating / cooling panel, and more particularly, to a method for manufacturing a heat pipe type heating / heating panel which can shorten the heating and cooling time, and realize a uniform and comfortable heating and cooling during heating and cooling.

In general, the air-conditioning system of a large building is a convection-type air-conditioning system using air as a medium to perform cooling or heating by forcibly circulating air, a heat transfer medium. However, such a convection heating and cooling system has a problem in that a lot of energy is consumed in the process of heating or cooling the air as a medium. In addition, when the air-conditioning system is operated for a long time or the air purification is neglected, the air may be contaminated by harmful substances and germs, and when it comes into contact with the polluted air, it is very unsanitary.

On the other hand, the air-conditioning system of a general house is a heating and cooling system using radiant heat to install a pipe on the floor and circulate the hot or cold water through the pipe, or heating and heating by installing a heating wire.

By the way, the cooling and heating system using radiant heat has a problem that the temperature distribution is not uniform at the initial stage of cooling and heating, and the cooling and heating time is delayed. In particular, since the dew condensation occurs due to a severe temperature difference with the cooling source when cooling, a dehumidification device is also required.

To solve this problem, a heating and heating pipe and heating wire were installed on the ceiling. This method allows heat transfer by radiation and convection during cooling, but it is less effective since heat transfer is possible only by radiation when heating. In addition, because of the heating and cooling method using a pipe and a heating wire, the problem of delayed cooling and heating time or nonuniform temperature distribution still remained.

In recent years, heat pipes with fast heat transfer have been applied to form a heating and cooling system. Heat pipe (heat pipe) is a device that transfers heat between the two ends of the vessel through the process of gas-liquid phase change continuously in the sealed container, by moving the heat using the latent heat (latent heat) It exhibits very high heat transfer performance compared to conventional heat transfer equipment using a working fluid.

By applying the heat pipe to the cooling and heating system as described above, the problem of delayed cooling and heating time and uneven temperature distribution have been solved to some extent, but they are not satisfactory and are somewhat insufficient to realize comfortable heating and cooling.

Accordingly, an object of the present invention is to provide a method for manufacturing a heat pipe type heating and cooling panel capable of shortening the air-conditioning time, achieving a uniform temperature distribution during air-conditioning, and implementing comfortable air-conditioning. In addition, another object of the present invention is to provide a method for manufacturing a heat pipe type heating and cooling panel having low power consumption and excellent heat transfer efficiency.

The method for manufacturing a heat pipe type heating and cooling panel according to the present invention for achieving the above object comprises the steps of manufacturing a first panel body having an open shape in the lower part, and bending the thin plate into an uneven shape to form a corrugated material. And inserting the corrugated material into the inside of the first panel body, manufacturing a second panel body having an open shape in an upper portion thereof, and installing cooling and heating means in the inside of the second panel body. And connecting the first panel body and the second panel body, and injecting a working fluid into the second panel body and forming a vacuum.

The heat pipe type heating and cooling panel according to the present invention can shorten the heating and cooling time by operating the cooling and heating means as described above, the working fluid changes phase, moves along the transfer path, and transfers heat to the outside, and the temperature distribution is uniform during heating and cooling. It can realize comfortable air-conditioning.

In addition, since the cooling or heating by the heat pipe method, power consumption is low, heat transfer efficiency is excellent, and condensation does not occur because the temperature difference between the heat source or the cold source is small.

In addition, since the space (floor and ceiling) required for installing pipes and heating wires for heating and cooling is not required, the height of the building can be greatly reduced.

With reference to the accompanying drawings will be described embodiments of the present invention; Hereinafter, in describing the embodiments according to the present invention, detailed descriptions of related known configurations or functions will be omitted. In addition, in adding the reference numerals to the components of each drawing, the same reference numerals are added to the same components as much as possible.

1 is a flow chart showing a manufacturing process of a heat pipe type heating and cooling panel according to the present invention, Figure 2 is a perspective view showing a first embodiment of a heat pipe type heating and cooling panel according to the present invention, Figure 3 is Is a partial cutaway perspective view showing a first embodiment of a heat pipe type heating and cooling panel.

1 to 3, the method 100 for manufacturing a heat pipe type heating and cooling panel according to the present invention includes the steps of manufacturing a first panel body 110 having a lower body shape having an open bottom (S10) and a thin plate. The step of forming the corrugated material 112 by bending the concave-convex shape (S20), the step of inserting the corrugated material 112 into the interior of the first panel body 110 (S30), and the top is open Producing a second panel body 120 of the enclosure shape (S50), Installing the heating and heating means 130 in the inside of the second panel body 120 (S60), and the first panel body ( And connecting the second panel body 120 (S70), and injecting the working fluid 140 into the second panel body 120 and forming a vacuum (S80).

Here, through the front part 114 by infiltrating the working fluid 140 to the front part 114 side of the first panel body 110 by capillary force during the cooling and heating by the heat pipe type heating and cooling panel 100. A thin net 119 is inserted between the first panel body 110 and the corrugated material 112 so as to absorb the radiant heat to be transferred to the cooling and heating means 130 (S40).

Meanwhile, the first panel body 110 and the second panel body 120 are connected by brazing. In more detail, a brazing junction is performed in a hydrogen atmosphere using a nickel alloy filler metal. At this time, the brazing temperature is 1120 ℃, when the first panel body 110 and the second panel body 120 is made of aluminum, an aluminum-silicon alloy filler metal is used as a bonding agent and the brazing temperature is 600 ℃.

Referring to the heat pipe type heating and cooling panel manufactured by the above-described process with reference to Figures 2 and 3 as follows.

As shown in FIG. 2 and FIG. 3, the heat pipe type heating and cooling panel 100 includes a first panel body 110 having a conveying path 118 therein, and a portion of the first panel body 110. The second panel body 120 is provided in the lower portion and in communication with the conveying path 112, the cooling and heating means 130 is built, and comprises a working fluid 140 is filled in the second panel body 120 do.

The first panel body 110 is a plate material having a predetermined thickness and the inside is empty, the inside is provided with a corrugated material 112 and a fine mesh 119 bent in an uneven shape. That is, the inner space between the front portion 114 and the rear portion 116 of the first panel body 110 is partitioned by the corrugated material 112, the front portion 114 and the corrugated material 112 Between the detail network 119 is located. At this time, the plurality of internal spaces partitioned by the corrugated material 112 becomes a transfer path 118 for the movement of the working fluid 140. In addition, the fine mesh 119 infiltrates the working fluid 140 toward the front portion 114 by capillary force during heating and cooling.

The second panel body 120 is a square pipe having the same length as the width of the first panel body 110, the cooling and heating means 130 is installed therein and the working fluid 140 is filled. In this case, an injection hole 122 is formed at one end of the second panel body 120 to inject the working fluid 140 or to vacuum the interior of the transfer path 118 and the second panel body 120. . In addition, the other end of the second panel body 120 is formed with a through hole 124 for the installation of the terminal or connector of the cooling and heating means 130.

The air-conditioning means 130 is a means for changing the phase (liquid-gas or gas-liquid) by heating or cooling the working fluid 140 filled in the second panel body 120. In this case, a heating coil or a heating cartridge may be used as the cooling and heating means 130, and a heat exchange tube capable of injecting cold water and hot water may be used.

The cooling and heating means 130 illustrated in this embodiment is a heating cartridge. The heating cartridge is formed with a narrow gap between the heating wire and the metal sheath (sheath) wire can reduce the temperature difference between the heating wire and the sheath wire and the heating wire, thereby maintaining the maximum efficiency in terms of heat conduction, long life.

One end of the heating cartridge is provided with a terminal 132 to enable power supply from the outside. In addition, the terminal 132 is exposed to the outside through the through hole 124 of the second panel body 120 when the air conditioner 130 is installed.

The working fluid 140 is a means for phase change (liquid-gas or gas-liquid) during operation of the cooling / heating means 130, moving along the transfer path 118, and transferring heat to the outside. As the working fluid 140, methanol, acetone, water, and mercury, which are easy to change phase, may be used, but it is preferable to use water which is easily obtained without fear of environmental pollution.

Heat pipe type heating and cooling panel 100 manufactured by the present invention configured as described above should be able to predict the heat transfer amount ( Q ) by radiation in order to implement the cooling and heating by low-temperature radiation. And the heat transfer amount ( Q ) can be obtained through [Equation 1] below.

Figure 112009500850102-PAT00008

Where σ is the Stefan-Boltzmann radiant heat transfer constant, A is the heat transfer area, and T 1 and T 2 are the absolute temperature of the radiation plane and the subject's absolute temperature (K).

In addition, the cross-sectional area A v of the transfer path 118 of the heat pipe type heating and cooling panel 100 manufactured by the present invention can be obtained through the following [Equation 2] and [Equation 3].

Figure 112009500850102-PAT00002

In this case, ω and δ are the width (mm) and depth (mm) of the transfer path 118, μ v is the viscosity (kg / m-sec) of the working fluid 140, λ is the heat of evaporation (J / kg) )to be.

Using the Reynolds number ( Re v ) calculated by the above [Equation 2],

Figure 112009500850102-PAT00003

Where M v is the Mach number (m / sec), ρ v is the vapor density (kg / ㎥), λ is the heat of vaporization (J / kg), Re v is Reynolds number, and T v is the absolute temperature of the working fluid 140 (K),

Figure 112009500850102-PAT00009
Is the specific heat ratio 1.4 of the working fluid 140.

For example, when the thickness of the first panel body 110 is 10 mm, the thickness between the front part 114 and the rear part 116 is 5 mm, and the thickness of the corrugated material 112 is 0.3 mm, the transport path 118. ) The width (mm) and depth (mm) are 3.7mm and 4.4mm, respectively.

In order for the estimated cross-sectional area of the transport path 118 to be suitable for the radiant heat emitted through the radiant heat transfer area, the radiant heat amount must be known. That is, the air-conditioning by the heat pipe type air-conditioning panel 100 produced by the present invention is air-conditioning by low temperature radiation. Assume that 1.44m 2 , the heat transfer amount ( Q max ) by heat radiation through [Equation 1] can be seen that 233W.

In addition, when the calculated heat transfer amount Q max is substituted into [Equation 2], the Reynolds number Re v is calculated to be 1740. At this time, since the Reynolds number ( Re v ) is 2300 or less, it can be seen that the working fluid 140 in the transfer path 118 is laminar.

On the other hand, it can be seen that the ideal cross-sectional area A v of the transfer path 118 is 15.7 (mm 2 ) through [Equation 3]. Comparing this with the actual cross-sectional area (3.7 mm x 4.4 mm) of the conveying path 118 corresponds to 96% of the ideal cross-sectional area of the actual cross-sectional area of the conveying path 118.

Figure 4 is a state diagram used in the heat pipe type heating and cooling panel produced by the method for producing a heat pipe type heating and cooling panel according to the present invention.

As shown in FIG. 4, the heat pipe type heating and cooling panel 100 is assembled to a predetermined rectangular frame 200. At this time, the terminal 132 of the heat pipe type heating and cooling panel 100 is exposed to the outside through the side of the frame 200. And it is connected to the outlet 220 installed on the inner wall of the building through the wire 210 shown in the drawing.

The frame 200 in which the heat pipe type heating and cooling panel 100 is assembled is installed along the wall of the building to emit radiant heat when power is applied to cool and heat the interior of the building.

Therefore, the heating and cooling time can be shortened, and the temperature distribution during the heating and cooling is uniform and comfortable heating and cooling can be realized. In addition, since the cooling or heating by the heat pipe method, power consumption is low, heat transfer efficiency is excellent, and condensation does not occur because the temperature difference between the heat source or the cold source is small. In addition, since the space (floor and ceiling) required for installing pipes and heating wires for heating and cooling is not required, the height of the building can be greatly reduced.

As described above, the process of the manufacturing method of the heat pipe type heating and cooling panel according to the preferred embodiment of the present invention is shown in accordance with the above description and drawings, but this is only an example and does not depart from the spirit of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made within the scope.

1 is a flow chart illustrating a manufacturing process of a heat pipe type heating and cooling panel according to the present invention.

Figure 2 is a perspective view showing a first embodiment of a heat pipe type heating and cooling panel according to the present invention.

3 is a partial cutaway perspective view showing a first embodiment of a heat pipe type heating and cooling panel according to the present invention;

Figure 4 is a state of use of the heat pipe type heating and cooling panel produced by the method for producing a heat pipe type heating and cooling panel according to the present invention.

* Description of the symbols for the main parts of the drawings *

100: heat pipe type heating and cooling panel

110: first panel body 112: corrugated material

114: front part 116: rear part

118: transfer route 119: Semok network

120: second panel body 122: injection hole

124: through hole 130: cooling and heating means

132: terminal 140: working fluid

Claims (3)

Manufacturing a first panel body having an open shape having a lower portion thereof; Forming the corrugated sheet by bending the thin plate into an uneven shape; Inserting the corrugated material into the first panel body; Manufacturing a second panel body having an upper shape of an enclosure; Installing air-conditioning means in the second panel body; Connecting the first panel body and the second panel body; And Method of manufacturing a heat pipe type heating and cooling panel comprising the step of injecting a working fluid into the second panel body and forming a vacuum. The method of claim 1, The method of manufacturing a heat pipe type heating and cooling panel further comprising the step of inserting a fine mesh between the first panel body and the corrugated material. The method of claim 2, The first panel body and the second panel body is brazing (brazing) bonding method of manufacturing a heat pipe type heating and cooling panel, characterized in that connected.
KR20090017553A 2009-03-02 2009-03-02 Manufacturing Method Of Heat Pipe Type Cooling/Heating Panel KR101086925B1 (en)

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KR20090017553A KR101086925B1 (en) 2009-03-02 2009-03-02 Manufacturing Method Of Heat Pipe Type Cooling/Heating Panel

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KR101086925B1 KR101086925B1 (en) 2011-11-29

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