JPH0125909Y2 - - Google Patents
Info
- Publication number
- JPH0125909Y2 JPH0125909Y2 JP17281084U JP17281084U JPH0125909Y2 JP H0125909 Y2 JPH0125909 Y2 JP H0125909Y2 JP 17281084 U JP17281084 U JP 17281084U JP 17281084 U JP17281084 U JP 17281084U JP H0125909 Y2 JPH0125909 Y2 JP H0125909Y2
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- heat
- tube
- downstream
- refrigerant
- 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.)
- Expired
Links
- 238000011144 upstream manufacturing Methods 0.000 claims description 16
- 239000003507 refrigerant Substances 0.000 claims description 14
- 230000007423 decrease Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 241000287227 Fringillidae Species 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Description
【考案の詳細な説明】
産業上の利用分野
本考案は、空気流に対して上流側熱交換器と下
流側熱交換器に分離されたフインチユーブ式熱交
換器に関するものである。[Detailed Description of the Invention] Industrial Application Field The present invention relates to a Finch-Ube heat exchanger that is separated into an upstream heat exchanger and a downstream heat exchanger with respect to an air flow.
従来の技術
近年、空気調和機に使用されるフインチユーブ
式熱交換器は小型化するために第２図のように熱
交換器１を構成する冷媒チユーブ２の内面に冷媒
乱流溝を形成（以下内面みぞ付管という）し冷媒
側熱伝達率を向上させると共に、矢印で示す空気
流に対して上流側熱交換器１ａとしてのフイン群
と、下流側熱交換器１ｂとしての下流側フイン群
とに分離し、境界層前縁効果を向上させて熱交換
器能力を向上せしめている。BACKGROUND ART In recent years, in order to downsize finch-tube heat exchangers used in air conditioners, refrigerant turbulence grooves have been formed on the inner surface of refrigerant tubes 2 constituting the heat exchanger 1, as shown in FIG. In addition to improving the heat transfer coefficient on the refrigerant side (called an internally grooved tube), a group of fins as an upstream heat exchanger 1a and a group of downstream fins as a downstream heat exchanger 1b are used for the air flow shown by the arrow. This improves the leading edge effect of the boundary layer and improves the heat exchanger capacity.
考案が解決しようとする問題点
しかしながら、このような構成では、上流側熱
交換器１ａでの熱交換量が大きいため、下流側熱
交換器の入口空気３の放熱又は吸熱効果が非常に
少なくなる。特にヒートポンプ式冷暖房機の室外
側熱交換器の暖房時の蒸発器として使用した場
合、下流側熱交換器のフイン表面の温度が低下
し、早期着霜によつて暖房能力が低下する問題点
を有していた。また、この内面みぞ付管はコスト
が高い欠点もあつた。Problems to be solved by the invention However, in such a configuration, since the amount of heat exchanged in the upstream heat exchanger 1a is large, the heat radiation or heat absorption effect of the inlet air 3 of the downstream heat exchanger is extremely small. . In particular, when used as an evaporator for heating the outdoor heat exchanger of a heat pump type air conditioner, the temperature of the fin surface of the downstream heat exchanger decreases, and heating capacity decreases due to early frost formation. had. Furthermore, this internally grooved tube also had the disadvantage of high cost.
問題点を解決するための手段
本考案は上記問題点に鑑み成されたものであ
り、空気流に対して上流側熱交換器の冷媒チユー
ブを内面が平坦な平滑管（以下平滑管という）と
し、下流側熱交換器の冷媒チユーブを内面みぞ付
管としたものである。Means for Solving the Problems The present invention was made in view of the above problems, and the refrigerant tube of the heat exchanger on the upstream side of the air flow is a smooth tube with a flat inner surface (hereinafter referred to as a smooth tube). , the refrigerant tube of the downstream heat exchanger is a grooved tube on the inside.
作 用
本考案は上記した構成によつて、上流側熱交換
器での放熱又は吸熱量を少なくし、下流側熱交換
器の入口空気の保有する放熱又は吸熱効果の低下
を少なくし下流側熱交換器の熱交換量を増加する
ことができる。Effect The present invention has the above-described configuration, which reduces the amount of heat radiation or heat absorption in the upstream heat exchanger, reduces the decrease in the heat radiation or heat absorption effect of the inlet air of the downstream heat exchanger, and reduces the amount of heat radiation or heat absorption in the upstream heat exchanger. The heat exchange amount of the exchanger can be increased.
従つて、ヒートポンプ式冷暖房機の室外側熱交
換器の蒸発器として使用した場合には、下流側熱
交換器のフイン表面の温度低下が少なくなり、フ
インへの早期着霜による暖房能力の低下を防止で
きる。 Therefore, when used as an evaporator for the outdoor heat exchanger of a heat pump type air conditioner, the temperature drop on the fin surface of the downstream heat exchanger is reduced, and the reduction in heating capacity due to early frost formation on the fins is reduced. It can be prevented.
また、上流側熱交換器の熱交換量は減少する
が、下流側熱交換器の熱交換量が増加するので、
全体の熱交換器の能力を確保しながら安価な熱交
換器を提供することができる。 Also, the amount of heat exchanged by the upstream heat exchanger decreases, but the amount of heat exchanged by the downstream heat exchanger increases.
It is possible to provide an inexpensive heat exchanger while ensuring the capacity of the entire heat exchanger.
実施例
以下本考案の一実施例のフインチユーブ式熱交
換器について、図面を参照しながら説明する。Embodiment A Finch-Hube heat exchanger according to an embodiment of the present invention will be described below with reference to the drawings.
第１図は本考案の実施例におけるフインチユー
ブ式熱交換器を示すものである。第１図におい
て、４はフインチユーブ式熱交換器で、矢印で示
す空気流に対して上流側熱交換器４ａとしてのフ
イン群と、下流側熱交換器４ｂとしてのフイン群
とに分離されている。 FIG. 1 shows a Finch-Hube heat exchanger according to an embodiment of the present invention. In FIG. 1, reference numeral 4 denotes a finch tube heat exchanger, which is separated into a group of fins as an upstream heat exchanger 4a and a group of fins as a downstream heat exchanger 4b with respect to the air flow indicated by the arrow. .
これらの熱交換器４ａ，４ｂにはフイン群を貫
通するようにそれぞれ冷媒チユーブ５ａ，５ｂが
設けられており、上流側熱交換器４ａの冷媒チユ
ーブ５ａは平滑管とし、下流側熱交換器４ｂの冷
媒チユーブ５ｂは内面みぞ付管としている。 These heat exchangers 4a and 4b are provided with refrigerant tubes 5a and 5b, respectively, so as to penetrate through the fin group. The refrigerant tube 5b is a grooved tube on the inside.
以上のように構成しているので、上流側熱交換
器４ａでの放熱又は吸熱量を少なくし、下流側熱
交換器４ｂの入口空気６の保有する放熱又は吸熱
効果の低下を少なくし、下流側熱交換器４ｂの熱
交換量を大きくできる。 With the above configuration, the amount of heat dissipation or heat absorption in the upstream heat exchanger 4a is reduced, the decrease in the heat dissipation or heat absorption effect of the inlet air 6 of the downstream heat exchanger 4b is reduced, and The amount of heat exchanged by the side heat exchanger 4b can be increased.
従つて、ヒートポンプ式冷暖房機の室外側熱交
換器の蒸発器として使用した場合には、上流側熱
交換器の入口空気の吸熱効果の増加により、フイ
ン表面の温度低下が少なくなり、フインへの早期
着霜による暖房能力の低下を防止できる。 Therefore, when used as an evaporator for the outdoor heat exchanger of a heat pump type air conditioner, the increase in the heat absorption effect of the inlet air of the upstream heat exchanger reduces the temperature drop on the fin surface and reduces the temperature drop to the fin. It is possible to prevent a decrease in heating capacity due to early frost formation.
また、上流側熱交換器４ａの熱交換量は減少す
るが、下流側熱交換器４ｂの熱交換量が増加する
ので、全体の熱交換器の能力を確保しながら安価
な熱交換器を提供することができる。 Furthermore, although the amount of heat exchanged by the upstream heat exchanger 4a decreases, the amount of heat exchanged by the downstream heat exchanger 4b increases, thereby providing an inexpensive heat exchanger while ensuring the capacity of the entire heat exchanger. can do.
考案の効果
以上のように、空気流に対して上流側熱交換器
と下流側熱交換器に分離し、この上流側熱交換器
の冷媒チユーブを内面が平坦な平滑管とし、下流
側熱交換器の冷媒チユーブを内面に冷媒乱流溝を
形成した内面みぞ付管とすることにより、ヒート
ポンプ式冷暖房機の室外側熱交換器の蒸発器とし
て使用した場合に、下流側熱交換器の入口空気の
吸熱効果の増加により、フイン表面の温度低下が
少なくなり、フインへの早期着霜による暖房能力
の低下を防止できる。Effects of the invention As described above, the air flow is separated into an upstream heat exchanger and a downstream heat exchanger, and the refrigerant tube of the upstream heat exchanger is a smooth tube with a flat inner surface, and the downstream heat exchanger is By making the refrigerant tube of the refrigerant tube an inner grooved tube with refrigerant turbulence grooves formed on the inner surface, when used as an evaporator for the outdoor heat exchanger of a heat pump type air conditioner, it is possible to reduce the inlet air of the downstream heat exchanger. Due to the increase in the heat absorption effect, the temperature drop on the surface of the fins is reduced, and it is possible to prevent a decrease in heating capacity due to early frost formation on the fins.
また、上流側熱交換器の熱交換量は減少する
が、下流側熱交換器の熱交換量が増加するので、
全体の熱交換器の能力を確保しながら安価な熱交
換器を提供できる効果もあり、実用性大である。 Also, the amount of heat exchanged by the upstream heat exchanger decreases, but the amount of heat exchanged by the downstream heat exchanger increases, so
It has the effect of providing an inexpensive heat exchanger while ensuring the overall heat exchanger capacity, and is highly practical.
第１図は本考案の一実施例におけるフインチユ
ーブ式熱交換器の断面図、第２図は従来のフイン
チユーブ式熱交換器の断面図である。
４……フインチユーブ式熱交換器、４ａ……上
流側熱交換器、４ｂ……下流側熱交換器、５ａ…
…平滑管、５ｂ……内面みぞ付管。
FIG. 1 is a cross-sectional view of a Finch-Ube heat exchanger according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view of a conventional Finch-Ube heat exchanger. 4... Finch tube heat exchanger, 4a... Upstream heat exchanger, 4b... Downstream heat exchanger, 5a...
...Smooth tube, 5b...Inner grooved tube.
Claims (1)
チユーブとで構成し、空気流に対して上流側熱交
換器と下流側熱交換器に分離し、この上流側熱交
換器の冷媒チユーブを内面が平坦な平滑管とし、
下流側熱交換器の冷媒チユーブを内面に冷媒乱流
溝を形成した内面みぞ付管としたフインチユーブ
式熱交換器。 It consists of a plate fin and a refrigerant tube that passes through the fin, and separates the air flow into an upstream heat exchanger and a downstream heat exchanger. As a smooth tube,
A finch-tube heat exchanger in which the refrigerant tube of the downstream heat exchanger is an internally grooved tube with refrigerant turbulence grooves formed on the inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17281084U JPH0125909Y2 (en) | 1984-11-13 | 1984-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17281084U JPH0125909Y2 (en) | 1984-11-13 | 1984-11-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6189669U JPS6189669U (en) | 1986-06-11 |
| JPH0125909Y2 true JPH0125909Y2 (en) | 1989-08-02 |
Family
ID=30730469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17281084U Expired JPH0125909Y2 (en) | 1984-11-13 | 1984-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0125909Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012247180A (en) * | 2012-08-10 | 2012-12-13 | Hitachi Appliances Inc | Heat exchanger |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0443756Y2 (en) * | 1985-08-02 | 1992-10-15 |
-
1984
- 1984-11-13 JP JP17281084U patent/JPH0125909Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012247180A (en) * | 2012-08-10 | 2012-12-13 | Hitachi Appliances Inc | Heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6189669U (en) | 1986-06-11 |
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