JPH04320784A - Insulation structural body - Google Patents
Insulation structural bodyInfo
- Publication number
- JPH04320784A JPH04320784A JP8677991A JP8677991A JPH04320784A JP H04320784 A JPH04320784 A JP H04320784A JP 8677991 A JP8677991 A JP 8677991A JP 8677991 A JP8677991 A JP 8677991A JP H04320784 A JPH04320784 A JP H04320784A
- Authority
- JP
- Japan
- Prior art keywords
- heat insulating
- hcfc
- insulating material
- space
- insulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009413 insulation Methods 0.000 title abstract description 18
- 239000004088 foaming agent Substances 0.000 claims abstract description 15
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000011810 insulating material Substances 0.000 claims description 33
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 claims description 14
- 238000005057 refrigeration Methods 0.000 claims description 9
- 239000006260 foam Substances 0.000 claims description 7
- 239000012774 insulation material Substances 0.000 abstract description 18
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 abstract description 12
- 238000009833 condensation Methods 0.000 abstract description 11
- 230000005494 condensation Effects 0.000 abstract description 11
- 238000005187 foaming Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 8
- 239000004604 Blowing Agent Substances 0.000 description 7
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- 238000009835 boiling Methods 0.000 description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000005437 stratosphere Substances 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- OHMHBGPWCHTMQE-UHFFFAOYSA-N 2,2-dichloro-1,1,1-trifluoroethane Chemical compound FC(F)(F)C(Cl)Cl OHMHBGPWCHTMQE-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229940029284 trichlorofluoromethane Drugs 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Refrigerator Housings (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、発泡断熱材を内部に充
填して構成される断熱構造体であって、特に発泡断熱材
原液に混入する発泡剤としてＨＣＦＣ−２２若しくはＨ
ＣＦＣ−１３４ａを用いた断熱構造体に関する。[Industrial Field of Application] The present invention relates to a heat insulating structure which is constructed by filling the inside with a foam heat insulating material, and in particular, HCFC-22 or H
The present invention relates to a heat insulating structure using CFC-134a.
【０００２】0002
【従来の技術】従来のこの種断熱構造体は、ポリオ−ル
、イソシアネ−ト、水、トリクロロフルオロメタン（Ｃ
Ｃｌ３Ｆ、以下ＣＦＣ−１１と略す）発泡剤などを原料
とし、例えば特公平２−６４３４号公報に示されるよう
な方法で構成されていた。[Prior Art] Conventional heat insulating structures of this type are made of polyol, isocyanate, water, trichlorofluoromethane (C
Using a foaming agent such as Cl3F (hereinafter abbreviated as CFC-11) as a raw material, it was constructed by a method as disclosed in, for example, Japanese Patent Publication No. 2-6434.
【０００３】ここで近年、前記発泡剤のＣＦＣ−１１が
成層圏のオゾン層を破壊することが発見され、特定フロ
ンとしてその生産、使用の規制が開始されるに至ってい
る。従って、係る特定フロンに代わる代替物の使用が重
要になってきている。[0003] In recent years, it has been discovered that the blowing agent CFC-11 destroys the ozone layer in the stratosphere, and the production and use of CFC-11 as a specified fluorocarbon has been regulated. Therefore, the use of substitutes for such specific fluorocarbons has become important.
【０００４】オゾン層を破壊しないという点においては
、ＨＣＦＣ−１２３が最も有力な代替物としてあげられ
るが、毒性及び有機材料に対する作用の点で使用が難し
い。[0004] HCFC-123 is the most promising alternative in terms of not destroying the ozone layer, but it is difficult to use due to its toxicity and effects on organic materials.
【０００５】また一方では、ＣＦＣ−１１の沸点が約＋
２３．８℃であるため、ＣＦＣ−１１を発泡剤として使
用した断熱体を、例えば−３０℃〜−４０℃の環境下で
断熱材として使用した場合、独立気泡中のＣＦＣ−１１
は液化してしまい、そのため断熱材の熱伝導率が大きく
なり断熱効果が損なわれるので、このような低温下でも
液化することなく低い熱伝導率を維持できるような発泡
剤を用いた断熱体の製造が望まれている。On the other hand, the boiling point of CFC-11 is about +
Since the temperature is 23.8°C, if a heat insulating material using CFC-11 as a blowing agent is used as a heat insulating material in an environment of -30°C to -40°C, for example, CFC-11 in the closed cells will
liquefies, which increases the thermal conductivity of the insulation material and impairs its insulation effect.Therefore, it is recommended to create insulation materials using foaming agents that can maintain low thermal conductivity without liquefying even at such low temperatures. Manufacturing is desired.
【０００６】これらの問題を解決する手段として、成層
圏のオゾン層の破壊や地球温暖化の問題が少ないクロロ
ジフルオロメタン（ＣＨＣｌＦ２、以下ＨＣＦＣ−２２
と略す）や１，１，１，２−テトラフルオロエタン（Ｃ
Ｈ２ＦＣＦ３、以下ＨＣＦＣ−１３４ａと略す）を断熱
材の発泡剤として用いることが考えられる。[0006] As a means to solve these problems, chlorodifluoromethane (CHClF2, hereinafter HCFC-22), which has fewer problems of depletion of the stratospheric ozone layer and less global warming, has been developed.
) and 1,1,1,2-tetrafluoroethane (C
It is conceivable to use H2FCF3 (hereinafter abbreviated as HCFC-134a) as a foaming agent for the heat insulating material.
【０００７】これらの発泡剤は毒性及び有機材料に対す
る作用の点で問題なく、その沸点も、ＨＣＦＣ−２２で
は約−４０℃、ＨＣＦＣ−１３４ａでは約−２６℃と常
温よりきわめて低いため、前述のような−３０℃〜−４
０℃の低温環境下にて用いる場合には、独立気泡中の発
泡剤の凝縮が少なく、断熱材として低い熱伝導率を維持
できる。These blowing agents have no problems in terms of toxicity and action on organic materials, and their boiling points are about -40°C for HCFC-22 and about -26°C for HCFC-134a, which are extremely lower than room temperature. -30℃～-4
When used in a low temperature environment of 0° C., there is little condensation of the blowing agent in the closed cells, and low thermal conductivity can be maintained as a heat insulating material.
【０００８】[0008]
【発明が解決しようとする課題】然し乍ら、発泡剤をＣ
ＦＣ−１１からＨＣＦＣ−２２或るいはＨＣＦＣ−１３
４ａに変更すると断熱材の熱伝導率（Ｋ−Ｆａｃｔｏｒ
）が大きくなる。例えば、ＣＦＣ−１１を全体の１０％
程度入れた場合の断熱材の熱伝導率は０．０１５ｋｃａ
ｌ／ｍｈｒ℃であるものがＨＣＦＣ−２２或るいはＨＣ
ＦＣ−１３４ａでは全体の５％程度入れた場合で０．０
１８ｋｃａｌ／ｍｈｒ℃となり、常温域では断熱特性が
２０％程悪くなる。[Problem to be solved by the invention] However, if the blowing agent is
FC-11 to HCFC-22 or HCFC-13
When changing to 4a, the thermal conductivity of the insulation material (K-Factor
) becomes larger. For example, 10% of the total CFC-11
The thermal conductivity of the insulation material is 0.015kca
l/mhr℃ is HCFC-22 or HC
For FC-134a, it is 0.0 when about 5% of the total is added.
It becomes 18 kcal/mhr°C, and the heat insulation properties deteriorate by about 20% in the room temperature range.
【０００９】そのため、断熱構造体に冷凍サイクルを取
り付けて冷却貯蔵庫として用いると、表面に結露が発生
し易くなる。即ち、この種断熱構造体は必要最小限の厚
みで設計されるため、同じ断熱厚みで発泡剤を前述のＣ
ＦＣ−１１からＨＣＦＣ−２２或るいはＨＣＦＣ−１３
４ａに置き換えた場合、湿度及び温度が高い等の雰囲気
条件が悪い時に、特に冷凍サイクルの低温部品が存在す
るような一部断熱効果の悪い部分に結露が生じる問題が
あった。[0009] Therefore, when a refrigeration cycle is attached to a heat insulating structure and used as a cooling storage, dew condensation tends to occur on the surface. In other words, since this type of insulation structure is designed with the minimum necessary thickness, the foaming agent can be added to the C.
FC-11 to HCFC-22 or HCFC-13
When replacing with 4a, there was a problem in that dew condensation occurred in some parts where the insulation effect was poor, especially where low-temperature parts of the refrigeration cycle were present, when the atmospheric conditions were bad such as high humidity and temperature.
【００１０】本発明は、係る課題を解決し、熱伝導率の
大きい発泡剤を用いた場合にも、断熱構造体表面の結露
を防止することを目的とする。The object of the present invention is to solve this problem and to prevent dew condensation on the surface of a heat insulating structure even when a foaming agent with high thermal conductivity is used.
【００１１】[0011]
【課題を解決するための手段】本発明は、内部に空間を
構成した殻体と、この空間内に配置した冷凍サイクルの
低温部品と、空間内に発泡充填された断熱材とから成る
断熱構造体において、前記断熱材には発泡剤としてＨＣ
ＦＣ−２２若しくはＨＣＦＣ−１３４ａを混入すると共
に、前記低温部品に対応する位置の断熱材の厚みのみを
厚くしたものである。[Means for Solving the Problems] The present invention provides a heat insulating structure consisting of a shell having a space inside, low-temperature parts of a refrigeration cycle arranged in this space, and a heat insulating material filled with foam in the space. In the body, the insulation material contains HC as a blowing agent.
FC-22 or HCFC-134a is mixed therein, and only the thickness of the heat insulating material at the position corresponding to the low-temperature parts is increased.
【００１２】また、同様の断熱構造体において、低温部
品と殻体間には発泡剤としてＣＦＣ−１１を用いて成形
した断熱材を配置したものである。Furthermore, in a similar heat insulating structure, a heat insulating material molded using CFC-11 as a foaming agent is disposed between the low temperature component and the shell.
【００１３】更に、同様の断熱構造体において、低温部
品と殻体間には真空断熱材を配置したものである。Furthermore, in a similar heat insulating structure, a vacuum heat insulating material is disposed between the low temperature component and the shell.
【００１４】[0014]
【作用】本発明によれば、断熱構造体において特に低温
となり、結露の生じ易い部分の断熱効果を高く維持でき
る。また、この時断熱構造体全体の断熱厚みの拡大は回
避することができる。特に、発泡剤として、ＨＣＦＣ−
２２若しくはＨＣＦＣ−１３４ａを用いているので、成
層圏のオゾン層破壊の危険性も少ない。[Function] According to the present invention, it is possible to maintain a high heat insulation effect particularly in the parts of the heat insulation structure that are at a low temperature and where dew condensation is likely to occur. Further, at this time, it is possible to avoid increasing the insulation thickness of the entire insulation structure. In particular, HCFC-
Since 22 or HCFC-134a is used, there is little risk of depletion of the ozone layer in the stratosphere.
【００１５】[0015]
【実施例】次に、図１〜図４に基づき本発明を詳述する
。EXAMPLES Next, the present invention will be explained in detail based on FIGS. 1 to 4.
【００１６】図１は断熱構造体１の縦断面図であり、図
２は断熱構造体１の後方斜視図を示している。図２にお
いて断熱構造体１の下部には、冷凍サイクルを構成する
圧縮機や凝縮器等の機械部品が収納された機械室２が形
成されている。FIG. 1 is a longitudinal sectional view of the heat insulating structure 1, and FIG. 2 is a rear perspective view of the heat insulating structure 1. In FIG. 2, a machine room 2 is formed in the lower part of the heat insulating structure 1, in which mechanical parts such as a compressor and a condenser forming a refrigeration cycle are housed.
【００１７】図１において殻体３は金属或るいは合成樹
脂にて成形された上方に開放する外箱４と、これと耐フ
ロン性樹脂からなる化粧枠５によって間隔を存して接続
された上方に開放する内箱６から構成され、これによっ
て殻体１内部には断熱材充填空間１０、及び内箱６内に
貯蔵室１４が構成されている。In FIG. 1, the shell 3 is connected at a distance by an upwardly open outer box 4 made of metal or synthetic resin, and a decorative frame 5 made of fluorocarbon-resistant resin. It consists of an inner box 6 that opens upward, thereby forming a heat insulating material filling space 10 inside the shell 1 and a storage chamber 14 inside the inner box 6.
【００１８】内箱６の垂直壁６ａ外面には前記冷凍サイ
クルの蒸発器を構成する蛇行状の冷媒管７が熱伝導関係
に取り付けられており、更にそれに連続する低温部品と
しての冷凍サイクルのアキュムレ−タ−８が、外箱４の
後壁４ａと内箱６の垂直壁６ａ間の空間１０内に配置さ
れている。一方、外箱４の後壁４ａのアキュムレ−タ−
８に対応する部分は、座押し加工により外方に膨出され
て、突出部９が形成されている。A meandering refrigerant pipe 7 constituting the evaporator of the refrigeration cycle is attached to the outer surface of the vertical wall 6a of the inner box 6 in a heat-conducting manner, and an accumulator of the refrigeration cycle as a low-temperature component is connected thereto. - holder 8 is arranged in a space 10 between the rear wall 4a of the outer box 4 and the vertical wall 6a of the inner box 6. On the other hand, the accumulator on the rear wall 4a of the outer box 4
The portion corresponding to 8 is bulged outward by the seat pressing process to form a protrusion 9.
【００１９】断熱材充填空間１０に発泡充填される断熱
材１１は、ポリオ−ル及びイソシアネ−トを主体とした
ポリウレタン断熱材であり、整泡剤、難燃剤及び発泡剤
が混入され、特に発泡剤としてはＨＣＦＣ−２２若しく
はＨＣＦＣ−１３４ａが混入されている。The insulation material 11 foamed and filled into the insulation material filling space 10 is a polyurethane insulation material mainly composed of polyol and isocyanate, and contains a foam stabilizer, a flame retardant, and a foaming agent. As the agent, HCFC-22 or HCFC-134a is mixed.
【００２０】前記突出部９の存在により、空間１０内に
充填された断熱材１１の厚みは突出部９の部分で他の部
分よりも厚くなる。即ち、アキュムレ−タ−８部分の断
熱材１１の断熱特性は他の部分より高くなっている。Due to the presence of the protrusion 9, the thickness of the heat insulating material 11 filled in the space 10 is thicker at the protrusion 9 than at other parts. That is, the heat insulating properties of the heat insulating material 11 in the accumulator 8 portion are higher than in other portions.
【００２１】ここで、アキュムレ−タ−８には冷媒管７
を通過した後の低温の気液冷媒が溜っているため、極め
て温度が低い。また、冷媒管７よりも外箱４の後壁４ａ
側に存在することになるので、それに対応する外箱４は
他の部分よりも冷却作用を強く受け、結露しやすくなる
。然し乍ら、前述の如くアキュムレ−タ−８部分の断熱
材を厚くして断熱特性を高くしているので、外箱４をア
キュムレ−タ−８の冷却から断熱し、後壁４ａへの結露
を防止できる。Here, the refrigerant pipe 7 is connected to the accumulator 8.
The temperature is extremely low because the low-temperature gas-liquid refrigerant that has passed through the refrigerant is stored there. Further, the rear wall 4a of the outer box 4 is
Since the outer box 4 is located on the side, the corresponding outer box 4 receives a stronger cooling effect than other parts, and condensation is more likely to occur. However, as mentioned above, the heat insulating material in the accumulator 8 portion is made thicker to improve the heat insulating properties, so the outer box 4 is insulated from the cooling of the accumulator 8 and condensation on the rear wall 4a is prevented. can.
【００２２】次に、図３は他の断熱構造体１の縦断面図
であり、図４は他の断熱構造体１の前方斜視図を示して
いる。図１〜図２と同符号は同一のものを示している。
図３においては、アキュムレ−タ−８の周囲に発泡剤と
してＣＦＣ−１１を用いてあらかじめ成形した発泡ポリ
ウレタン断熱材１２が配置されている。断熱材１２は断
熱材１１の発泡充填以前にアキュムレ−タ−８周囲に取
り付けられ、その後断熱材１１が充填される。断熱材１
２はブロック状に成形したものの中にアキュムレ−タ−
８を収納する空間を形成したものでも良く、薄板状に成
形してそれをアキュムレ−タ−８周囲に巻回しても良い
。Next, FIG. 3 is a longitudinal sectional view of another heat insulating structure 1, and FIG. 4 is a front perspective view of another heat insulating structure 1. As shown in FIG. The same reference numerals as in FIGS. 1 and 2 indicate the same parts. In FIG. 3, a foamed polyurethane heat insulating material 12 preformed using CFC-11 as a foaming agent is placed around the accumulator 8. The heat insulating material 12 is attached around the accumulator 8 before the foam filling of the heat insulating material 11, and then the heat insulating material 11 is filled. Insulation material 1
2 is an accumulator inside the block-shaped one.
The accumulator 8 may be formed with a space for accommodating the accumulator 8, or it may be formed into a thin plate and wound around the accumulator 8.
【００２３】いずれにしても断熱材１２は従来の断熱性
能を有する断熱材であるから、アキュムレ−タ−８部分
の断熱性能の低下を来さない。従って、外箱４をアキュ
ムレ−タ−８の冷却から断熱し、後壁４ａへの結露を防
止できる。また、断熱材１２は全体からみればわずかで
あるから、オゾン層破壊作用も従来に比して極めて小さ
くなる。In any case, since the heat insulating material 12 is a heat insulating material having a conventional heat insulating performance, the heat insulating performance of the accumulator 8 portion does not deteriorate. Therefore, the outer box 4 can be insulated from the cooling of the accumulator 8, and dew condensation on the rear wall 4a can be prevented. Furthermore, since the amount of the heat insulating material 12 is small compared to the whole, the ozone layer depletion effect is also much smaller than in the past.
【００２４】ここで、断熱材１２としては上記の如く発
泡剤としてＣＦＣ−１１を用いた発泡ポリウレタン断熱
材を用いることなく、例えばパ−ライト等の粉末石をシ
−ト内に真空封入した所謂真空断熱材を用いても良い。
係る真空断熱材は発泡ポリウレタン断熱材よりも熱伝導
率が低く、アキュムレ−タ−８部分の断熱性能を高くす
ることができる。但し、この場合は板状の断熱材１２を
アキュムレ−タ−８と外箱４の後壁４ａ間に配置するこ
とになるが、成形が可能であれば前述同様アキュムレ−
タ−８周囲に配設しても良い。Here, as the heat insulating material 12, instead of using the foamed polyurethane heat insulating material using CFC-11 as a foaming agent as described above, for example, a so-called so-called insulating material in which powdered stone such as perlite is vacuum sealed in a sheet is used. A vacuum insulation material may also be used. Such a vacuum insulation material has a lower thermal conductivity than a foamed polyurethane insulation material, and can improve the insulation performance of the accumulator 8 portion. However, in this case, the plate-shaped heat insulating material 12 will be placed between the accumulator 8 and the rear wall 4a of the outer box 4, but if molding is possible, the accumulator
It may be arranged around the tar-8.
【００２５】尚、本発明は実施例に示したものに限られ
ず、特に断熱構造体の形状や、低温部品は本発明の趣旨
を逸脱しない範囲で種々変更可能である。It should be noted that the present invention is not limited to those shown in the embodiments, and in particular, the shape of the heat insulating structure and the low-temperature parts can be changed in various ways without departing from the spirit of the present invention.
【００２６】[0026]
【発明の効果】本発明によれば、発泡剤としてＨＣＦＣ
−２２若しくはＨＣＦＣ−１３４ａを用いて断熱構造体
の断熱性能が低下しても、断熱構造体の特に低温となり
、結露の生じ易い部分の断熱効果を高く維持でき、断熱
構造体全体の断熱厚みの拡大を回避しつつ、結露を防止
できる。Effects of the Invention According to the present invention, HCFC is used as a blowing agent.
Even if the insulation performance of the insulation structure is reduced by using -22 or HCFC-134a, it is possible to maintain a high insulation effect in the parts of the insulation structure that are particularly low temperature and prone to condensation, and the insulation thickness of the entire insulation structure can be maintained. It is possible to prevent condensation while avoiding expansion.
【００２７】特に、オゾン層破壊の危険性を解消若しく
は低くすることができるので、環境保全及び地球温暖化
回避に寄与できる。[0027] In particular, since the risk of ozone layer depletion can be eliminated or reduced, it can contribute to environmental conservation and avoidance of global warming.
【図１】断熱構造体の縦断面図。FIG. 1 is a vertical cross-sectional view of a heat insulating structure.
【図２】断熱構造体の後方斜視図。FIG. 2 is a rear perspective view of the heat insulating structure.
【図３】他の断熱構造体の縦断面図。FIG. 3 is a vertical cross-sectional view of another heat insulating structure.
【図４】他の断熱構造体の前方斜視図。FIG. 4 is a front perspective view of another heat insulating structure.
１ 断熱構造体 ３ 殻体 ４ 外箱 ６ 内箱 ８ アキュムレ−タ− ９ 突出部 １０ 断熱材充填空間 １１ 断熱材 １２ 断熱材 1 Heat insulation structure 3 Shell body 4 Outer box 6 Inner box 8 Accumulator 9 Protruding part 10 Insulation material filling space 11 Insulation material 12 Insulation material
Claims (3)
間内に配置した冷凍サイクルの低温部品と、前記空間内
に発泡充填された断熱材とから成り、該断熱材は発泡剤
としてＨＣＦＣ−２２若しくはＨＣＦＣ−１３４ａが混
入されていると共に、前記低温部品に対応する位置の前
記断熱材の厚みを他の部分よりも厚くしたことを特徴と
する断熱構造体。Claim 1: Consisting of a shell with a space inside, a low-temperature component of a refrigeration cycle arranged in the space, and a heat insulating material filled with foam in the space, the heat insulating material containing HCFC as a foaming agent. -22 or HCFC-134a is mixed therein, and the thickness of the heat insulating material at a position corresponding to the low-temperature component is made thicker than other parts.
間内に配置した冷凍サイクルの低温部品と、前記空間内
に発泡充填された断熱材とから成り、該断熱材は発泡剤
としてＨＣＦＣ−２２若しくはＨＣＦＣ−１３４ａが混
入されていると共に、前記低温部品と殻体間には発泡剤
としてＣＦＣ−１１を用いて成形した断熱材を配置した
ことを特徴とする断熱構造体。2. Consisting of a shell with a space inside, a low-temperature component of a refrigeration cycle arranged in the space, and a heat insulating material filled with foam in the space, the heat insulating material containing HCFC as a foaming agent. -22 or HCFC-134a, and a heat insulating material molded using CFC-11 as a foaming agent is disposed between the low-temperature component and the shell.
間内に配置した冷凍サイクルの低温部品と、前記空間内
に発泡充填された断熱材とから成り、該断熱材は発泡剤
としてＨＣＦＣ−２２若しくはＨＣＦＣ−１３４ａが混
入されていると共に、前記低温部品と前記殻体間には真
空断熱材を配置したことを特徴とする断熱構造体。3. Consisting of a shell with a space inside, a low-temperature component of a refrigeration cycle disposed in the space, and a heat insulating material filled with foam in the space, the heat insulating material containing HCFC as a foaming agent. -22 or HCFC-134a is mixed therein, and a vacuum heat insulating material is disposed between the low-temperature component and the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08677991A JP3172200B2 (en) | 1991-04-18 | 1991-04-18 | Insulation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08677991A JP3172200B2 (en) | 1991-04-18 | 1991-04-18 | Insulation structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04320784A true JPH04320784A (en) | 1992-11-11 |
| JP3172200B2 JP3172200B2 (en) | 2001-06-04 |
Family
ID=13896244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP08677991A Expired - Fee Related JP3172200B2 (en) | 1991-04-18 | 1991-04-18 | Insulation structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3172200B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104291774A (en) * | 2013-07-15 | 2015-01-21 | 飞龙家电集团有限公司 | Composite thermal insulation layer structure for refrigerators and freezers |
| CN104295858A (en) * | 2013-07-15 | 2015-01-21 | 慈溪市飞龙电器有限公司 | Thermal insulating layer structure for refrigerator and freezer |
-
1991
- 1991-04-18 JP JP08677991A patent/JP3172200B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104291774A (en) * | 2013-07-15 | 2015-01-21 | 飞龙家电集团有限公司 | Composite thermal insulation layer structure for refrigerators and freezers |
| CN104295858A (en) * | 2013-07-15 | 2015-01-21 | 慈溪市飞龙电器有限公司 | Thermal insulating layer structure for refrigerator and freezer |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3172200B2 (en) | 2001-06-04 |
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| LAPS | Cancellation because of no payment of annual fees |