JP2000018767A - Adsorption module for adsorption refrigerating machine - Google Patents
Adsorption module for adsorption refrigerating machineInfo
- Publication number
- JP2000018767A JP2000018767A JP10176337A JP17633798A JP2000018767A JP 2000018767 A JP2000018767 A JP 2000018767A JP 10176337 A JP10176337 A JP 10176337A JP 17633798 A JP17633798 A JP 17633798A JP 2000018767 A JP2000018767 A JP 2000018767A
- Authority
- JP
- Japan
- Prior art keywords
- adsorbent
- adsorption
- adhesive
- powder adhesive
- 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.)
- Granted
Links
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
-
- 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]
-
- 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]
- Y02B30/62—Absorption based systems
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、冷媒を吸着脱離
（脱着）する吸着剤が表面に接着された、吸着式冷凍機
の吸着モジュールに関するものである。The present invention relates to an adsorption module of an adsorption refrigerator in which an adsorbent for adsorbing and desorbing (desorbing) a refrigerant is adhered to the surface.
【０００２】[0002]
【従来の技術】例えば特開平６−５８６４４号公報に記
載の発明では、液状エマルジョンの酢酸ビニルを接着剤
として吸着剤を熱交換器に接着している。2. Description of the Related Art For example, in the invention described in JP-A-6-58644, an adsorbent is bonded to a heat exchanger using vinyl acetate of a liquid emulsion as an adhesive.
【０００３】[0003]
【発明が解決しようとする課題】しかし、上記公報に記
載のごとく、液状エマルジョンの酢酸ビニルを接着剤と
して吸着剤を接着した場合、接着剤が吸着剤の表面を被
覆したような状態となってしまうため、吸着剤と蒸気冷
媒とが接触する面積が減少してしまい、吸着剤の実質的
な吸着能力が低下してしまうという問題が発生する。However, as described in the above-mentioned publication, when an adsorbent is adhered using vinyl acetate in a liquid emulsion as an adhesive, the adhesive becomes a state in which the adhesive covers the surface of the adsorbent. Therefore, the area where the adsorbent and the vapor refrigerant come into contact with each other is reduced, which causes a problem that the adsorbent's substantial adsorption capacity is reduced.
【０００４】また、液状エマルジョンの酢酸ビニルを接
着剤として吸着剤を接着した場合、後述するように、吸
着剤を接着して吸着モジュールを製造するための製造工
数が多いため、吸着モジュールの製造原価低減を図る上
で障害が多い。本発明は、上記点に鑑み、製造工数低減
を図りつつ、吸着剤の吸着能力を低下させることなく吸
着剤を熱交換器に接着することを目的とする。In addition, when the adsorbent is bonded using vinyl acetate in a liquid emulsion as an adhesive, the manufacturing cost of the adsorption module is increased because the number of manufacturing steps for manufacturing the adsorption module by bonding the adsorbent is large as described later. There are many obstacles in achieving reduction. In view of the above, an object of the present invention is to bond an adsorbent to a heat exchanger without reducing the adsorbing capacity of the adsorbent while reducing the number of manufacturing steps.
【０００５】[0005]
【課題を解決するための手段】本発明は、上記目的を達
成するために、以下の技術的手段を用いる。請求項１〜
４に記載の発明では、熱硬化型の粉体接着剤又は熱可塑
型の粉体接着剤にて吸着剤（３４）を熱交換器（１１、
１２）に接着したことを特徴とする。The present invention uses the following technical means to achieve the above object. Claim 1
According to the invention described in Item 4, the adsorbent (34) is heat-exchanged with a heat-curing type powder adhesive or a thermoplastic type powder adhesive.
It is characterized in that it is adhered to 12).
【０００６】これにより、粉体接着剤が吸着剤（３４）
の表面に分散（離散）した状態で吸着剤（３４）を熱交
換器（１１、１２）に接着することができるので、接着
剤が吸着剤（３４）の表面の多くを覆うような状態を防
止できる。したがって、吸着剤（３４）と蒸気冷媒とが
接触する面積が減少してしまうことを防止できるので、
吸着剤（３４）の実質的な吸着能力が低下することを防
止できる。As a result, the powder adhesive becomes the adsorbent (34).
The adsorbent (34) can be adhered to the heat exchangers (11, 12) in a state of being dispersed (discrete) on the surface of the adsorbent (34). Can be prevented. Therefore, it is possible to prevent the area where the adsorbent (34) comes into contact with the vapor refrigerant from decreasing, and
It is possible to prevent a substantial decrease in the adsorption capacity of the adsorbent (34).
【０００７】また、粉体接着剤であるので、後述するよ
うに、乾燥工程及び洗浄工程等を必要としない。したが
って、製造工数を少なくすることができ、吸着モジュー
ルの製造原価低減を図ることができる。なお、粉体接着
剤の量は、請求項２に記載の発明のごとく、吸着剤（３
４）の量の１ｗｔ％以上７ｗｔ％以下であることが望ま
しい。Further, since it is a powder adhesive, a drying step and a washing step are not required as described later. Therefore, the number of manufacturing steps can be reduced, and the manufacturing cost of the suction module can be reduced. In addition, the amount of the powder adhesive is determined as in the second aspect of the present invention.
It is desirable that the amount of 4) is 1 wt% or more and 7 wt% or less.
【０００８】また、粉体接着剤の粒径は、請求項３に記
載のごとく、吸着剤（３４）の粒径の１０％以下である
ことが望ましい。また、粉体接着剤の加熱条件は、請求
項４に記載のごとく、１２０℃以上１５０℃以下の温
度、かつ、５分以上１５分以下の時間とすることが望ま
しい。因みに、上記各手段の括弧内の符号は、後述する
実施形態に記載の具体的手段との対応関係を示す一例で
ある。The particle size of the powder adhesive is preferably not more than 10% of the particle size of the adsorbent (34). As for the heating condition of the powder adhesive, it is desirable that the temperature is 120 ° C. or more and 150 ° C. or less and the time is 5 minutes or more and 15 minutes or less. Incidentally, the reference numerals in parentheses of the above means are examples showing the correspondence with specific means described in the embodiments described later.
【０００９】[0009]
【発明の実施の形態】（第１実施形態）本実施形態は、
本発明に係る吸着モジュールを車両用吸着式冷凍機１の
第１、第２吸着コア（熱交換機）１１、１２に適用した
ものであって、図１は吸着式冷凍機１の模式図である。
そして、両吸着コア１１、１２それぞれは、第１、２密
閉容器１４、１５内に収容されており、両密閉容器１
４、１５には、蒸気（気相）冷媒の出入口部１６、１７
が設けられている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment)
The adsorption module according to the present invention is applied to first and second adsorption cores (heat exchangers) 11 and 12 of an adsorption refrigerator 1 for a vehicle. FIG. 1 is a schematic diagram of the adsorption refrigerator 1. .
The two suction cores 11 and 12 are accommodated in first and second closed containers 14 and 15, respectively.
4 and 15 have inlet / outlet portions 16 and 17 for a vapor (gas phase) refrigerant.
Is provided.
【００１０】また、両出入口部１６、１７には、第１、
２三方切換弁１８、１９が接続されており、これらの三
方切換弁１８、１９の間には、冷媒を液化する凝縮器２
０、冷媒を気相冷媒と液相冷媒とに分離するとともに、
液相冷媒を蓄えるレシーバ（気液分離手段）２１、冷媒
を循環させるポンプ２２、及び液相冷媒を蒸発させて外
気との熱交換を行う蒸発器２３各々が、直列に接続され
て冷媒回路２５を構成している。そして、冷媒回路２５
内には、所要量の冷媒（本実施形態では水）が所定量封
入されている。因みに、冷媒回路２５内は、略真空に保
たれている。The first and second entrances 16 and 17 are provided with the first,
2 Three-way switching valves 18 and 19 are connected, and between these three-way switching valves 18 and 19, a condenser 2 for liquefying the refrigerant is provided.
0, while separating the refrigerant into a gas-phase refrigerant and a liquid-phase refrigerant,
A receiver (gas-liquid separation means) 21 for storing the liquid-phase refrigerant, a pump 22 for circulating the refrigerant, and an evaporator 23 for evaporating the liquid-phase refrigerant and exchanging heat with the outside air are connected in series to form a refrigerant circuit 25. Is composed. And the refrigerant circuit 25
A predetermined amount of refrigerant (in this embodiment, water) is enclosed in a predetermined amount. Incidentally, the inside of the refrigerant circuit 25 is maintained at a substantially vacuum.
【００１１】なお、三方切換弁１８、１９及びポンプ２
２は、電子制御装置（図示せず）によりその作動が制御
されている。次に、図２に基づいて吸着コア１１、１２
の構造について述べる。２６は冷媒が流通する扁平チュ
ーブ（以下、チューブと略す。）であり、これらチュー
ブ２６の両端には、ヘッダタンク２７、２８がろう付け
接合されている。なお、ヘッダタンク２７は各チューブ
２６に第２冷媒を分配供給するものであり、ヘッダタン
ク２８は各チューブ２６から流出する冷媒を集合回収す
るものである。The three-way switching valves 18 and 19 and the pump 2
The operation of 2 is controlled by an electronic control unit (not shown). Next, based on FIG.
The structure of is described. Reference numeral 26 denotes a flat tube through which a refrigerant flows (hereinafter, abbreviated as a tube), and header tanks 27 and 28 are brazed to both ends of the tube 26. The header tank 27 distributes and supplies the second refrigerant to each tube 26, and the header tank 28 collects and collects the refrigerant flowing out of each tube 26.
【００１２】５０は波状のコルゲートフィン（以下、フ
ィンと略す。）であり、このフィン５０の表面には、熱
硬化型の粉体接着剤（本実施形態では、ナイロン又はエ
ポキシ）にて粉体状のシリカゲル３４が接着されてい
る。ここで、シリカゲル３４は、蒸発した冷媒を吸着す
るとともに、加熱されることにより吸着した冷媒を脱離
するものであり、以下、シリカゲル３４を吸着剤３４と
呼ぶ。また、吸着コア（熱交換器）１１、１２に吸着剤
３４を接着したものを吸着モジュール３２と呼ぶ。Reference numeral 50 denotes a corrugated corrugated fin (hereinafter abbreviated as a fin). The surface of the fin 50 is powdered with a thermosetting powder adhesive (in the present embodiment, nylon or epoxy). Silica gel 34 is adhered. Here, the silica gel 34 adsorbs the evaporated refrigerant and desorbs the adsorbed refrigerant by being heated, and the silica gel 34 is hereinafter referred to as an adsorbent 34. In addition, the one in which the adsorbent 34 is adhered to the adsorption cores (heat exchangers) 11 and 12 is referred to as an adsorption module 32.
【００１３】因みに、ヘッダタンク２７、２８は成形性
に優れた材料、例えば樹脂、アルミニウム、銅等からな
り、チューブ２６及びフィン５０は、熱伝導に優れた材
料、例えばアルミや銅から構成されている。なお、吸着
剤３４を加熱するときには、両吸着コア１１、１２内
（チューブ２６及びヘッダタンク２７、２８）に加熱流
体（エンジン冷却水等の温水等）を流通させる。Incidentally, the header tanks 27 and 28 are made of a material excellent in moldability, for example, resin, aluminum, copper or the like, and the tube 26 and the fin 50 are made of a material excellent in heat conduction, for example, aluminum or copper. I have. When the adsorbent 34 is heated, a heating fluid (hot water such as engine cooling water or the like) is caused to flow through both the adsorption cores 11 and 12 (the tubes 26 and the header tanks 27 and 28).
【００１４】ここで、吸着冷凍機１の概略作動を述べて
おく（図１参照）。吸着式冷凍機１にて冷凍能力を発揮
させる場合には、ポンプ２２を稼働させて第１冷媒を冷
媒回路２５に循環させるとともに、両三方切換弁１８、
１９を所定時間毎に切換制御する。具体的には、蒸発器
２３から流出した気相冷媒を第２吸着コア１２に流通さ
せるとともに、加熱されて第１吸着コア１１から脱離し
た気相冷媒を凝縮器２０に流通させる場合と、蒸発器２
３から流出した気相冷媒を第１吸着コア１１に流通させ
るとともに、加熱されて第２吸着コア１２から脱離した
気相冷媒を凝縮器２０に流通させる場合とを切り替え
る。Here, the general operation of the adsorption refrigerator 1 will be described (see FIG. 1). When the refrigeration capacity is exhibited by the adsorption refrigerator 1, the pump 22 is operated to circulate the first refrigerant to the refrigerant circuit 25, and the two-way switching valves 18 and
19 is switched at predetermined time intervals. Specifically, a case where the gas-phase refrigerant flowing out of the evaporator 23 flows through the second adsorption core 12 and the gas-phase refrigerant heated and desorbed from the first adsorption core 11 flows through the condenser 20; Evaporator 2
The flow is switched between flowing the gaseous refrigerant flowing out of the third adsorption core 11 to the first adsorption core 11 and flowing the heated gaseous refrigerant desorbed from the second adsorption core 12 to the condenser 20.
【００１５】これにより、冷媒は、ポンプ２２が稼働し
ている間は、擬似的に冷媒回路２５を循環することとな
るので、冷凍能力を継続的に発揮することができる。次
に、吸着モジュール３２の製造方法（吸着材３４の接着
方法）について、図３に示す製造工程フローチャートに
基づき、その工程順に説明する。 １．吸着材３４及び粉体接着剤の配合工程（Ｓ１００） 吸着材３４の量（質量）に対して、粉体接着剤の量（質
量）が吸着剤３４の量の１ｗｔ％以上７ｗｔ％以下とな
るように両者を配合する。このとき、粉体接着剤の平均
粒径が吸着剤３４の平均粒径の１０％以下である粉体接
着剤を使用することが望ましく、本実施形態では、吸着
剤３４の平均粒径を０．５〜０．８ｍｍ以下とし、粉体
接着剤の平均粒径を０．０５〜０．０８ｍｍ以下として
いる。As a result, while the pump 22 is operating, the refrigerant simulates circulates in the refrigerant circuit 25, so that the refrigeration capacity can be continuously exhibited. Next, a method for manufacturing the suction module 32 (a method for bonding the adsorbent 34) will be described in the order of steps based on a manufacturing process flowchart shown in FIG. 1. Step of blending adsorbent 34 and powder adhesive (S100) The amount (mass) of the powder adhesive is 1 wt% or more and 7 wt% or less of the amount of adsorbent 34 with respect to the amount (mass) of adsorbent 34. Are blended together. At this time, it is desirable to use a powder adhesive in which the average particle size of the powder adhesive is 10% or less of the average particle size of the adsorbent 34. In the present embodiment, the average particle size of the adsorbent 34 is set to 0. 0.5 to 0.8 mm or less, and the average particle size of the powder adhesive is 0.05 to 0.08 mm or less.
【００１６】なお、本実施形態では、所定の穴径を有す
る篩（ふるい）を用いて吸着剤３４及び粉体接着剤の平
均粒径を揃えている。 ２．撹拌工程（Ｓ２００） 吸着材３４及び粉体接着剤が所定割合で配合されたもの
を、図４に示すように、円筒状のドラム（撹拌容器）２
０１内に入れた後、ドラム２００を５〜１５分回転させ
て、吸着剤３４の表面に粉体接着剤が均一に分散するよ
うに（図６参照）両者を撹拌する。なお、２００は、ド
ラム２０１及びドラム２０１を回転させるローラ２０２
を有する撹拌機である。In the present embodiment, the average particle diameter of the adsorbent 34 and the powder adhesive is made uniform by using a sieve having a predetermined hole diameter. 2. Stirring Step (S200) As shown in FIG. 4, a mixture of the adsorbent 34 and the powder adhesive in a predetermined ratio is used as a cylindrical drum (stirring vessel) 2.
After that, the drum 200 is rotated for 5 to 15 minutes, and both are agitated so that the powder adhesive is uniformly dispersed on the surface of the adsorbent 34 (see FIG. 6). 200 is a drum 201 and a roller 202 for rotating the drum 201.
Is a stirrer having
【００１７】３．注入工程（Ｓ３００） 撹拌工程にて撹拌されたもの（以下、このものを合剤と
呼ぶ。）を、図５に示すように、両吸着コア１１、１２
のコア部（チューブ２６とフィン５０とで構成された部
分）に注入していく。因みに、注入する合剤の量（体
積）は、コア部を構成する空間の体積（≒チューブ２６
の長さ×ヘッダタンク２７の長さ）相当である。3. Injecting Step (S300) The stirring in the stirring step (hereinafter, this is called a mixture) is performed as shown in FIG.
(A portion formed by the tube 26 and the fin 50). Incidentally, the amount (volume) of the mixture to be injected depends on the volume of the space constituting the core portion (≒ tube 26
X the length of the header tank 27).
【００１８】このとき、コア部（吸着コア１１、１２）
の下側には、粉体接着剤に接着しない剥離性の良いプレ
ート３００を敷いて合剤がコア部の下側から漏れ出すこ
とを防止しておく。なお、図６は、コア部に注入された
合剤の様子を示す模式図であり、粉体接着剤が吸着剤３
４の表面に均一的に分散（離散）している。At this time, the core portions (adsorption cores 11, 12)
On the lower side, a plate 300 having good releasability that does not adhere to the powder adhesive is laid to prevent the mixture from leaking from the lower side of the core portion. FIG. 6 is a schematic view showing the state of the mixture injected into the core portion.
4 are uniformly dispersed (discrete) on the surface.
【００１９】４．加熱硬化工程（Ｓ４００） 合剤が注入された吸着コア１１、１２を恒温槽４００
（図７参照）に入れて、粉体接着剤を加熱硬化させる。
このとき、粉体接着剤の加熱条件は、１２０℃以上１５
０℃以下の温度、かつ、５分以上１５分以下の時間とす
る。次に、本実施形態の特徴を述べる。4. Heat curing step (S400) The adsorption cores 11 and 12 into which the mixture has been injected are placed in a thermostat 400.
(See FIG. 7), and the powder adhesive is cured by heating.
At this time, the heating condition of the powder adhesive is 120 ° C. or more and 15 ° C.
The temperature is 0 ° C. or less and the time is 5 minutes or more and 15 minutes or less. Next, features of the present embodiment will be described.
【００２０】本実施形態によれば、吸着剤３４を吸着コ
ア１１、１２（フィン５０）に接着する接着剤として、
粉体接着剤を用いているので、図８に示すように、粉体
接着剤が吸着剤３４の表面に分散（離散）した状態で吸
着剤３４を吸着コア１１、１２（フィン５０）に接着す
ることができ、接着剤が吸着剤３４の表面の多くを覆う
ような状態を防止できる。According to the present embodiment, as the adhesive for bonding the adsorbent 34 to the adsorption cores 11 and 12 (fins 50),
Since the powder adhesive is used, the adsorbent 34 is bonded to the adsorption cores 11 and 12 (fins 50) in a state where the powder adhesive is dispersed (discrete) on the surface of the adsorbent 34 as shown in FIG. Thus, a state in which the adhesive covers much of the surface of the adsorbent 34 can be prevented.
【００２１】したがって、吸着剤３４と気相（蒸気）冷
媒とが接触する面積が減少してしまうことを防止できる
ので、吸着剤３４の実質的な吸着能力が低下することを
防止できる。なお、図９は、接着剤として液状エマルジ
ョンの酢酸ビニルを用いた従来の吸着モジュールの吸着
率と、本実施形態に係る吸着モジュール３２の吸着率と
の試験結果を示すグラフであり、図９から明らかなよう
に、本実施形態に係る吸着モジュール３２では、吸着率
が０．１上昇していることが判る。Therefore, it is possible to prevent the area where the adsorbent 34 comes into contact with the gaseous (vapor) refrigerant from being reduced, and it is possible to prevent the adsorbent 34 from substantially reducing the adsorption capacity. FIG. 9 is a graph showing test results of the adsorption rate of the conventional adsorption module using vinyl acetate of a liquid emulsion as an adhesive and the adsorption rate of the adsorption module 32 according to the present embodiment. As is apparent, in the suction module 32 according to the present embodiment, it can be seen that the suction rate is increased by 0.1.
【００２２】因みに、吸着率とは、試験により求めた実
際に利用している水分吸着振幅を温度条件から求めた理
想（理論上）の水分吸着振幅で除した値である。ところ
で、上記公報に記載のごとく、液状エマルジョンの酢酸
ビニルを接着剤として吸着剤を接着した場合、注入工程
と加熱硬化工程との間にスラリー状の合剤（吸着剤と液
状エマルジョンの酢酸ビニルとを配合したもの）を乾燥
させる乾燥工程を必要とするとともに、加熱工程終了
後、吸着コアを洗浄する洗浄工程等を必要とする。この
ため、液状エマルジョンの酢酸ビニルを接着剤として吸
着剤を接着した場合は、本実施形態に比べて、吸着剤を
接着するための製造工数が多くなってしまう。Incidentally, the adsorption rate is a value obtained by dividing the actually used moisture adsorption amplitude obtained by the test by the ideal (theoretical) moisture adsorption amplitude obtained from the temperature condition. By the way, as described in the above-mentioned publication, when the adsorbent is adhered using vinyl acetate of a liquid emulsion as an adhesive, a slurry-like mixture (adsorbent and vinyl acetate of the liquid emulsion are mixed) between the pouring step and the heat curing step. And a drying step of drying the adsorption core after the heating step. For this reason, when the adsorbent is bonded using vinyl acetate of the liquid emulsion as an adhesive, the number of manufacturing steps for bonding the adsorbent is increased as compared with the present embodiment.
【００２３】これに対して、本実施形態では、前述のご
とく、乾燥工程及び洗浄工程等を必要としないので、製
造工数を少なくすることができ、吸着モジュールの製造
原価低減を図ることができる。ところで、上述の実施形
態では、吸着剤３４としてシリカゲルを用いたが、本発
明はこれに限定されることなく、例えば活性アルミナ、
活性炭、ゼオライト、モレキュラーシービングカーボン
等でも良い。因みに、冷媒としてアルコールを用いると
きは、吸着剤３４として活性炭を用いるのがよい。On the other hand, in the present embodiment, as described above, since a drying step and a washing step are not required, the number of manufacturing steps can be reduced, and the manufacturing cost of the suction module can be reduced. By the way, in the above-described embodiment, silica gel is used as the adsorbent 34, but the present invention is not limited to this. For example, activated alumina,
Activated carbon, zeolite, molecular sieving carbon and the like may be used. Incidentally, when alcohol is used as the refrigerant, it is preferable to use activated carbon as the adsorbent 34.
【００２４】また、上述の実施形態では、粉体接着剤と
して熱硬化型の粉体接着剤を用いたが、本発明はこれに
限定されることなく、熱可塑型の粉体接着剤を用いても
良い。また、上述の実施形態では、吸着材３４の量に対
して、粉体接着剤の量が吸着剤３４の量の１ｗｔ％以上
７ｗｔ％以下となるように両者を配合したが、本発明は
必ずしもこの配合比に限定されるものではない。しか
し、粉体接着剤の量が過度に少ないと接着力が低下する
おそれがあり、また、粉体接着剤の量が過度に多いと吸
着剤３４の表面を過度に覆う（被覆率が大きくなる）お
それがあるので、粉体接着剤の量を設定するに当たって
は、上記２点を考慮する必要がある。In the above embodiment, a thermosetting powder adhesive is used as the powder adhesive. However, the present invention is not limited to this, and a thermoplastic powder adhesive may be used. May be. Further, in the above-described embodiment, the two are blended so that the amount of the powder adhesive is 1 wt% or more and 7 wt% or less of the amount of the adsorbent 34 with respect to the amount of the adsorbent 34. It is not limited to this mixing ratio. However, if the amount of the powder adhesive is excessively small, the adhesive strength may be reduced, and if the amount of the powder adhesive is excessively large, the surface of the adsorbent 34 is excessively covered (the covering rate increases). Therefore, when setting the amount of the powder adhesive, the above two points must be considered.
【００２５】また、加熱条件として上述の実施形態で
は、１２０℃以上１５０℃以下の温度、かつ、５分以上
１５分以下の時間としたが、本発明はこの条件に限定さ
れるものではない。しかし、加熱条件は被覆率に大きく
影響を与えるので、加熱条件の選定は、粉体接着剤の種
類、粉体接着剤と吸着剤との配合比、両者の粒径比等を
考慮して行う必要がある。In the above embodiment, the heating condition is a temperature of 120 ° C. or more and 150 ° C. or less, and a time of 5 minutes or more and 15 minutes or less, but the present invention is not limited to this condition. However, since the heating conditions greatly affect the coverage, the selection of the heating conditions is performed in consideration of the type of the powder adhesive, the compounding ratio of the powder adhesive and the adsorbent, the particle size ratio of both, and the like. There is a need.
【図１】吸着式冷凍機の模式図である。FIG. 1 is a schematic diagram of an adsorption refrigerator.
【図２】吸着コアの斜視図である。FIG. 2 is a perspective view of a suction core.
【図３】製造工程を示すフローチャートである。FIG. 3 is a flowchart showing a manufacturing process.
【図４】撹拌機の模式図である。FIG. 4 is a schematic view of a stirrer.
【図５】注入工程を示す模式図である。FIG. 5 is a schematic view showing an injection step.
【図６】合剤注入後の吸着剤及び粉体接着剤の状態を示
す模式図である。FIG. 6 is a schematic diagram showing states of an adsorbent and a powder adhesive after the mixture is injected.
【図７】恒温槽の斜視図である。FIG. 7 is a perspective view of a thermostat.
【図８】加熱硬化後の吸着剤及び粉体接着剤の状態を示
す模式図である。FIG. 8 is a schematic diagram showing states of an adsorbent and a powder adhesive after heat curing.
【図９】吸着率を示すグラフである。FIG. 9 is a graph showing an adsorption rate.
２６…チューブ、３４…吸着剤、５０…フィン。 26 ... tube, 34 ... adsorbent, 50 ... fin.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 蛸谷 悟司 愛知県刈谷市昭和町１丁目１番地 株式会 社デンソー内 (72)発明者 中村 友和 愛知県刈谷市昭和町１丁目１番地 株式会 社デンソー内 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Satoshi Octoya 1-1-1, Showa-cho, Kariya-shi, Aichi Pref. Inside DENSO
Claims (4)
されることによりその吸着した冷媒を脱離する吸着剤
（３４）と、 前記吸着剤（３４）が表面に接着された熱交換器（１
１、１２）とを有する吸着式冷凍機の吸着モジュールで
あって、 前記吸着剤（３４）は、熱硬化型の粉体接着剤又は熱可
塑型の粉体接着剤にて前記熱交換器（１１、１２）に接
着されていることを特徴とする吸着剤モジュール。An adsorbent (34) that adsorbs the evaporated refrigerant and desorbs the adsorbed refrigerant by being heated, and a heat exchanger (1) having the adsorbent (34) adhered to the surface.
1, 12), wherein the adsorbent (34) is a thermosetting powder adhesive or a thermoplastic powder adhesive. 11. An adsorbent module, which is bonded to (11) or (12).
４）の量の１ｗｔ％以上７ｗｔ％以下であることを特徴
とする請求項１に記載の吸着剤モジュール。2. The method according to claim 1, wherein the amount of the powder adhesive is the same as that of the adsorbent (3).
The adsorbent module according to claim 1, wherein the amount of 4) is 1 wt% or more and 7 wt% or less.
（３４）の粒径の１０％以下であることを特徴とする請
求項１または２に記載の吸着剤モジュール。3. The adsorbent module according to claim 1, wherein the particle size of the powder adhesive is 10% or less of the particle size of the adsorbent (34).
以上１５０℃以下の温度、かつ、５分以上１５分以下の
時間とすることを特徴とする請求項１ないし３のいずれ
か１つに記載の吸着剤モジュール。4. The heating condition of the powder adhesive is 120 ° C.
The adsorbent module according to any one of claims 1 to 3, wherein the temperature is not less than 150 ° C and the time is not less than 5 minutes and not more than 15 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17633798A JP3921820B2 (en) | 1998-06-23 | 1998-06-23 | Adsorption module of adsorption refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17633798A JP3921820B2 (en) | 1998-06-23 | 1998-06-23 | Adsorption module of adsorption refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000018767A true JP2000018767A (en) | 2000-01-18 |
| JP3921820B2 JP3921820B2 (en) | 2007-05-30 |
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ID=16011830
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17633798A Expired - Fee Related JP3921820B2 (en) | 1998-06-23 | 1998-06-23 | Adsorption module of adsorption refrigerator |
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| JP (1) | JP3921820B2 (en) |
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