JP4211737B2 - Adsorber for adsorption type refrigerator and method of manufacturing the adsorber for adsorption type refrigerator - Google Patents

Description

  The present invention relates to an adsorber for an adsorption refrigeration machine that evaporates the refrigerant by utilizing the action of the adsorbent adsorbing the gas-phase refrigerant and exhibits the refrigerating capacity by the latent heat of evaporation, and The present invention relates to a manufacturing method, and is particularly effective when applied to an air conditioner.

  As an adsorber for this type of adsorption refrigeration machine, the applicant applies a first heat exchange member that forms an adsorption / desorption layer by filling an adsorbent therein, and a condensation / evaporation surface layer by enclosing a refrigerant therein. And the first heat exchange member and the second heat exchange member are external parts for increasing the heat transfer area so that the adsorbent and the refrigerant respectively exchange heat with an external heat medium. A plurality of corrugated protrusions projecting from each other are formed so as to be opposed to each other.

  Then, the outer peripheral edge of the corrugated protruding portion is formed on a flat surface by plastic working such as press working, and the flat surfaces are overlapped to be metal-bonded. As a result, the conventional heat exchanger composed of fins and tubes is reduced in size, and the corrugated protrusion is a heat transfer surface between the adsorbent or the refrigerant and the heat medium. An application has been filed for an adsorber for an adsorption refrigeration machine characterized in that the number of parts such as fins is reduced to reduce the manufacturing cost (see, for example, JP-A-2004-254865).

  However, according to the corrugated protrusion having the above-described configuration, the heat transfer area per unit area is increased, so that the adsorbent adsorption efficiency, adsorption speed, filling efficiency, and other performance aspects can be improved. According to the subsequent examination by the applicant, when trying to reduce the thickness of the protruding portion, in the plastic working to form the outer peripheral edge of the protruding portion on a flat surface, when the protruding height protruding outside increases, It has been found that there is a problem of forming defects such as cracks if the plate thickness is not increased.

  In other words, if the corrugated heat transfer surface and the flat joint surface are integrally formed, the heat transfer surface is deep drawn, so that if the base material is thin, a molding failure occurs and the thickness is reduced. It becomes difficult. Moreover, if the size of the adsorber is reduced, the protruding height increases, making it difficult to reduce the thickness.

  Accordingly, an object of the present invention has been made in view of the above points, and forms a gas-tight structure with a simple shape and heat exchange so as to promote heat exchange between the internal adsorbent or refrigerant and the external heat medium. An object of the present invention is to provide an adsorber for an adsorption refrigeration machine and a method for producing the adsorber for the adsorption refrigeration machine that can be reduced in size and reduced in manufacturing cost by forming the members.

In order to achieve the above object, the technical means according to claims 1 to 15 are employed. That is, according to the first aspect of the present invention, the first heat exchange member (220) that forms the absorption / desorption layer by filling the adsorbent therein, and the condensation / evaporation surface layer is formed by enclosing the refrigerant inside. An adsorber for an adsorption refrigeration machine that has a second heat exchange member (230) that evaporates the refrigerant by utilizing the action of the adsorbent adsorbing the gas-phase refrigerant and exhibits the refrigerating capacity by the latent heat of vaporization In
The first and second casings (220a, 230a), which are box-shaped and are arranged opposite to each other to form an airtight structure, and a heat transfer surface for promoting heat exchange of heat generated by the action of the adsorbent or the refrigerant First and second internal fin members (221, 231) having
The first heat exchange member (220) heats the heat of adsorption / desorption action of the adsorbent heat-exchanged by the first internal fin member (221) and the heat medium circulating outside the first housing (220a). The second heat exchange member (230) is configured to be exchanged, and is circulated to the outside of the second housing (230a) and the heat of the condensation / evaporation action of the refrigerant heat exchanged by the second internal fin member (231). The first heat exchanging member (220) and the second heat exchanging member (230) are oppositely joined to each other.

  According to the first aspect of the present invention, the first and second internal fin members (221, 231) serving as heat transfer surfaces and the first and second housings (220a, 230a) serving as joint portions are separated. By providing it with a body, it is possible to form an airtight structure that maintains a substantially vacuum state with a simple shape. Therefore, the manufacturing cost can be reduced with a small size.

  In the invention according to claim 2, the first internal fin member (221) disposed on the first heat exchange member (220) side adsorbs the adsorbent filled in the first housing (220a). Based on the adsorption efficiency, adsorption speed, or adsorbent filling efficiency in action, the packed bed thickness (h) and the fin pitch (P) of the first internal fin member (221) in which the heat transfer surfaces are adjacent to each other are obtained. It is characterized by being formed into an optimal corrugated shape.

  Specifically, the optimum shape of the first internal fin member (221) can be obtained based on the adsorption efficiency, the adsorption speed, and the filling efficiency. Accordingly, the first heat exchange member (220) can be reduced in size by forming an optimum shape according to the required adsorption performance with the packed bed thickness (h) and the fin pitch (P).

  In the invention according to claim 3, the first internal fin member (221) is a corrugated type with a louver or an opening hole, and the filling layer thickness (h) is preferably about 2 mm or more and about 10 mm. The fin pitch (P) is preferably about 1 mm or more and about 4 mm or less.

  According to the third aspect of the present invention, the packed bed thickness (h) has an appropriate range depending on the balance between the amount of the necessary adsorbent and the installation area of the adsorber, and the fin pitch (P) is the adsorption performance of the adsorbent. There is an appropriate range depending on the balance with the filling efficiency. More specifically, if the packed bed thickness (h) and the fin pitch (P) are within the above appropriate ranges, a small adsorber can be provided.

  Further, if the first internal fin member (221) is a corrugated type, the heat transfer area per unit area is large, so that the first heat exchange member (220) can be reduced in size and the manufacturing cost can be reduced.

  The invention according to claim 4 is characterized in that the first internal fin member (221) has an opening whose louver or opening hole is larger than the maximum particle diameter of the adsorbent. According to the invention described in claim 4, since the heat transfer surface on one side of the fin becomes effective by the louver or the opening hole, the first heat exchange member (220) can be downsized. Further, when the back surface side of the fin is a closed space, the adsorbent can be easily filled on one surface side of the fin through the louver or the opening hole.

  According to the fifth aspect of the present invention, the second internal fin member (231) disposed on the second heat exchange member (220) side evaporates the refrigerant sealed in the second casing (230a). Based on the heat exchange efficiency in the condensing action, the heat transfer area is obtained and formed into a corrugated optimum shape.

  According to invention of Claim 5, it became possible to obtain | require the optimal shape of a 2nd internal fin member (231) based on heat exchange efficiency. Thereby, since the optimal shape according to required evaporation and condensation performance can be formed by calculating | requiring a heat transfer area, size reduction of a 2nd heat exchange member (230) can be achieved.

  In the invention described in claim 6, the second internal fin member (231) is a corrugated type with a louver, and the heat transfer area, preferably a part of the second internal fin member (231) is the second housing. The floor area to be joined to the body (230a) is about 5 times or more. According to the sixth aspect of the present invention, the second heat exchange member (230) can be downsized if the heat transfer area is about five times or more the floor area.

  In the invention according to claim 7, the first heat exchange member (220) and the second heat exchange member (230) are bonded to each other, preferably by metal bonding, between the first and second housings (220a, 230a). More preferably, they are oppositely bonded by low-temperature metal bonding. According to the seventh aspect of the present invention, the low temperature metal bonding can perform stable metal bonding without evaporation of moisture from the adsorbent.

  In the invention according to claim 8, the first heat exchange member (220) and the second heat exchange member (230) are small in thermal conductivity between the first and second housings (220a, 230a). A mesh-shaped partition member (240) made of a metal material is provided.

  According to invention of Claim 8, when the refrigerant | coolant enclosed in the 2nd heat exchange member (230) evaporates by adsorption | suction, a water splash phenomenon generate | occur | produces toward an upper adsorbent, but a division member (240) can prevent water splashing. Thereby, the fall of the adsorption | suction performance of adsorption agent can be prevented. Furthermore, by using a metal material having a low thermal conductivity, the first heat exchange member (220) and the second heat exchange member (230) can be insulated.

  In the invention according to claim 9, the first heat exchange member (220) and the second heat exchange member (230) have a small thermal conductivity between the first and second housings (220a, 230a). A heat insulating strength member (245) made of an inorganic ceramic material or glass material is provided.

  According to invention of Claim 9, a temperature difference arises in the inside of the 1st heat exchange member (220) and the 2nd heat exchange member (230). Therefore, it is possible to prevent heat transfer by providing a heat insulating strength member (245) made of a material having low thermal conductivity. Moreover, since the inside has a vacuum-tight airtight structure, deformation of the first and second housings (220a, 230a) can be prevented.

  In the invention described in claim 10, the first and second circulating water casings (250, 260) are provided outside the first and second casings (220a, 230a) to form a circulation path for the heat medium. The first circulating water casing (250) and the second circulating water casing (260) have first and second heat transfer surfaces for promoting heat exchange between each heat medium and the adsorbent or refrigerant. The external fin members (222, 232) are arranged to face each other outside the first housing (220a) and the second housing (230a).

  According to the invention described in claim 10, by providing the first and second external fin members (222, 232), the heat exchange efficiency between the internal heat and the heat medium is improved, whereby the first and second heats are obtained. The replacement member (220, 230) can be downsized.

  In the invention according to claim 11, the first circulating water casing (250) and the second circulating water casing (260) are preferably formed of a resin material, and the first casing (220a) and the second casing are formed. After being provided outside (230a), at least two or more are stacked. According to the eleventh aspect of the present invention, a small adsorber can be configured, and if it is formed of a resin material having low thermal conductivity, there is no heat loss due to lamination.

  In the invention described in claim 12, the first and second casings (220a, 230a), the first and second inner fin members (221, 231), the first and second outer fin members (222, 232), and The first and second circulating water casings (250, 260) are characterized by being made of a metal material having a high thermal conductivity. According to the twelfth aspect of the present invention, in this type of adsorber that switches between adsorption and desorption, the heat capacity can be reduced, so that the adsorption performance can be improved.

In the invention according to claim 13, the first heat exchange member (220) that fills the inside with an adsorbent to form an absorption / desorption layer, and the first heat exchange member (220) that forms a condensation / evaporation surface layer by enclosing a refrigerant therein. Production of an adsorber for an adsorption refrigeration machine that has two heat exchange members (230), evaporates the refrigerant using the action of the adsorbent adsorbing the gas-phase refrigerant, and exhibits the refrigerating capacity by the latent heat of vaporization In the method
The first and second casings (220a, 230a), which are box-shaped and are arranged opposite to each other to form an airtight structure, and a heat transfer surface for promoting heat exchange of heat generated by the action of the adsorbent or the refrigerant And corrugated first and second internal fin members (221, 231) and a heat transfer surface for promoting heat exchange between each heat medium and the adsorbent or refrigerant. The first and second external fin members (222, 232), and the first and second circulating water casings (250, 260) that form the circulation flow paths of the respective heat media,
The first heat exchange member (220) temporarily arranges the first internal fin member (221) inside the first housing (220a), and the first external fin member (222) outside the first housing (220a). ) And the first circulating water casing (250) are temporarily arranged and formed by integral joining,
The second heat exchange member (230) temporarily arranges the second internal fin member (231) inside the second housing (230a), and the second external fin member (232) outside the second housing (230a). ) And the second circulating water casing (260) are temporarily arranged and formed by integral joining, and the first heat exchange member (220) and the second heat exchange member (230) are assembled to face each other and assembled. Yes.

  According to invention of Claim 13, the 1st heat exchange member (220) and the 2nd heat exchange member (230) can each be modularized by laminated structure. Further, since the first and second housings (220a, 230a) are box-shaped and have a simple shape, a simple molding die can be used when forming the joint portion. Furthermore, since the first and second inner fin members (221, 231) and the first and second outer fin members (222, 232) are corrugated, it is possible to cope with them by simple roller molding. Thereby, the production cost can be reduced by improving the productivity.

  In the invention described in claim 14, the first and second heat exchange members (220, 230) are pre-coated with a bonding material on the inner and outer surfaces of the first and second housings (220a, 230a) before being temporarily arranged. Alternatively, after the cladding, the first and second inner fin members (221, 231), the first and second outer fin members (222, 232), and the first and second circulating water casings (250, 260) are the first. The second housing (220a, 230a) is temporarily arranged on the inner and outer surfaces and is integrally formed by a high temperature furnace.

  Specifically, according to the invention described in claim 14, the integrated structure of each of the first and second heat exchange members (220, 230) is assembled by bonding with a precoat of a bonding material or a cladding of a bonding material. Since the manufacturing method is performed, the productivity can be improved and the manufacturing cost can be reduced. In addition, according to the joining by the clad of the joining material, the heat transfer characteristics are better than the pre-coating of the joining material.

In the invention described in claim 15, a mesh-shaped partition member (240) made of a metal material having a low thermal conductivity, and a heat insulating strength member (245) made of an inorganic ceramic material or glass material having a low thermal conductivity. Provided,
The first heat exchange member (220) and the second heat exchange member (230) have a predetermined amount in the first internal fin member (221) before joining the first and second housings (220a, 230a). After adsorbing the adsorbent, the partition member (240) and the heat insulation strength member (245) are temporarily disposed between the first and second housings (220a, 230a), and then the first and second housings ( 220a, 230a) are opposed to each other by low-temperature metal bonding and assembled.

  According to the fifteenth aspect of the present invention, the productivity can be improved and the manufacturing cost can be reduced by assembling by the manufacturing method according to the above procedure. In addition, by using low temperature metal bonding, stable metal bonding can be performed without evaporation of moisture from the adsorbent.

  In addition, the code | symbol in the bracket | parenthesis of each said means shows a corresponding relationship with the specific means of embodiment mentioned later.

(First embodiment)
Hereinafter, the adsorption type refrigerator adsorber according to the first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a schematic diagram showing an overall configuration of an adsorption refrigeration machine in which an adsorption chiller for an adsorption refrigeration machine (hereinafter referred to as an adsorber) according to the present invention is applied to an adsorption chiller for a vehicle air conditioner. FIG. 2 is a schematic view showing the overall configuration of the adsorber 200, and FIG. 3 is an exploded perspective view showing the overall configuration of the adsorber 200.

  As shown in FIG. 1, the adsorption refrigerator of the present embodiment is a water-cooled engine (water-cooled internal combustion engine) 100 for running a vehicle, and 200 is an adsorber according to the present embodiment. Each of them is provided, and when one performs an adsorption action, the other performs a desorption action. When the adsorption action is completed, one performs a desorption action and the other performs an adsorption action.

  Reference numeral 400 denotes an air conditioning case that forms a passage for air to be blown into the room, and a centrifugal blower (hereinafter referred to as a blower) 410 that circulates air into the air conditioning case 400 on the air flow upstream side of the air conditioning case 400. Is provided.

  Reference numeral 420 denotes an indoor heat exchanger that cools the air flowing through the air conditioning case 400. This indoor heat exchanger obtains refrigeration capacity from the adsorber 200 through a heat medium. In the present embodiment, a fluid in which ethylene glycol antifreeze is mixed with water (the same as the cooling water of the engine 100) is used as the heat medium.

  Reference numeral 500 denotes an outdoor heat exchanger that exchanges heat between the heat medium flowing out from the adsorber 200 and outdoor air, and cools the heat medium. 510 and 520 are switching valves that switch the circulation path of the heat medium. The operations of 510 and 520, the pump (not shown) for circulating the heat medium, and the blower 410 are controlled by an electronic control device (not shown).

  Here, as shown in FIG. 1 to FIG. 3, the adsorber 200 of the present embodiment includes a first heat exchange member 220 that is filled with an adsorbent 223 to form an absorption / desorption layer, and a refrigerant inside. A second heat exchange member 230 encapsulated to form a condensation / evaporation surface layer, a partition member 240 and a heat insulation strength member 245 provided between the first heat exchange member 220 and the second heat exchange member 230, The first circulating water casing 250 covers the outside on the heat exchange member 220 side, and the second circulating water casing 260 covers the outside on the second heat exchange member 220 side.

  The first heat exchange member 220 includes a first housing 220a, a first internal fin member 221, a first external fin member 222, and an adsorbent 223. The first housing 220a has a box shape, and is a housing that forms an airtight structure by facing and joining a second housing 230a described later.

  The first internal fin member 221 is a fin having a heat transfer surface for promoting heat exchange of heat generated by the adsorption / desorption action of the adsorbent 223, and specifically, is formed in a corrugated shape with a louver. The adsorbent 223 is held on the wavy heat transfer surface, and one end side (the upper end side in this case) of the folded surface of the heat transfer surface is joined to the inside of the first housing 220a to adsorb the adsorbent 223. The heat generated by the desorption action is transferred to the first housing 220a. Reference numeral 221a shown in FIG. 3 is a louver formed by cutting and raising a plane.

  The first external fin member 222 is a fin having a heat transfer surface for promoting heat exchange between the heat transferred to the first housing 220a and the heat medium flowing outside the first housing 220a. Specifically, it is formed in a corrugated shape, the heat medium is circulated through the corrugated heat transfer surface, and one end side (here, the lower end side) of the folded surface of the heat transfer surface is outside the second housing 230a. The heat generated by the adsorption / desorption action of the adsorbent 223 is exchanged with the heat medium.

  Next, the second heat exchange member 230 includes a second housing 230 a, a second internal fin member 231, and a second external fin member 232. The second housing 220a has a box shape and is a housing that forms an airtight structure by facing and joining the first housing 220a.

  The second internal fin member 231 is a fin having a heat transfer surface for promoting heat exchange of heat generated by the refrigerant condensation / evaporation action, specifically, a corrugated shape with a louver, The refrigerant is brought into contact with the wavy heat transfer surface, and one end side (here, the lower end side) of the folded surface of the heat transfer surface is joined to the inside of the first housing 220a, so that the heat generated by the condensation / evaporation action of the refrigerant is generated. It is configured to transfer heat to the second casing 230a. Reference numeral 231a shown in FIG. 3 is a louver formed by cutting and raising a plane.

  The second external fin member 232 is a fin having a heat transfer surface for promoting heat exchange between the heat transferred to the second casing 230a and the heat medium flowing outside the second casing 230a. Specifically, it is formed in a corrugated shape, the heat medium is circulated through the corrugated heat transfer surface, and one end side (the upper end side in this case) of the folded surface of the heat transfer surface is outside the second housing 230a. The heat generated by the condensation / evaporation action of the refrigerant is exchanged with the heat medium.

  The first circulating water casing 250 and the second circulating water casing 260 are casings that form a circulating water flow path for the heat medium outside the first and second casings 220a and 230a. In order to cover the outside of the first and second casings 220a and 230a, a circulating water flow path is formed so that the heat medium flows through the heat transfer surfaces of the first and second external fin members 222 and 232. Yes.

  A flat outer periphery (not shown) is formed on the outer periphery of each of the first and second casings 220a, and the outer peripheral edges are overlapped so that the first and second casings 220a face each other. The first and second housings 220a are coupled so as to maintain a substantially vacuum state.

  By the way, the first internal fin member 221 will be described in detail later. Based on the adsorption performance of the adsorbent 223 filled in the first heat exchange member 220, the first internal fin member 221 has a predetermined packed bed thickness h and a predetermined fin pitch P. The second internal fin member 231 has a predetermined heat transfer area A based on the evaporation / condensation capacity of the refrigerant sealed in the second heat exchange member 230. Based on the optimal shape.

  Here, the packed layer thickness h refers to the difference in height between the peak and valley of the heat transfer surface, and the fin pitch P is the distance between the peaks (or valleys) of the adjacent heat transfer surfaces. It is called. In the present embodiment, the first and second outer fin members 222 and 232 are formed in a corrugated shape, but like the first and second inner fin members 221 and 231, they are formed in a corrugated shape with a louver. Also good.

  Note that the louver 221a of the first internal fin member 221 has a cut length of the louver 221a of 70% or more of the fin height, and further opens the cut and raised angle larger than the maximum particle size of the adsorbent 223. It is good to form. According to this, when the predetermined amount of adsorbent (for example, silica gel) 223 is filled in the first internal fin member 221 after the first internal fin member 221 is joined to the first housing 220a, a closed space is formed. The adsorbent 223 can be filled on the heat transfer surface side.

  Moreover, in the 2nd internal fin member 231 which contacts a refrigerant | coolant, when enclosing a predetermined amount of refrigerant | coolant, a refrigerant | coolant can be enclosed also to the heat-transfer surface side used as closed space. The first and second casings 220a and 230a, the first and second inner fin members 221 and 231, the first and second outer fin members 222 and 232 and the first and second circulating water casings 250 described above, 260 is formed of a metal material having a high thermal conductivity (for example, a copper material or an alloy material containing copper, or an alloy material containing aluminum or aluminum).

  However, for aluminum-based materials, the enclosed refrigerant generates hydrogen gas, for example, due to the reaction between water and aluminum, so a special surface treatment (for example, a glass film) is required to prevent this. It is.

  And the partition member 240 provided between the 1st heat exchange member 220 and the 2nd heat exchange member 230 was formed in the mesh form which consists of a metal material (this embodiment stainless steel material) with small heat conductivity. It is a partition plate, and prevents the water splash generated when the refrigerant sealed inside the second heat exchange member 230 has an evaporation action from directly hitting the upper adsorbent 223.

  The heat insulating strength member 245 disposed above the partition member 240 is a strength holding member made of an inorganic ceramic material or glass material having a low thermal conductivity and formed with holes or voids through which water vapor flows in the thickness direction. Thus, the first heat exchanging member 220 and the second heat exchanging member 230 are in contact with each other to block the heat transfer and prevent the airtight structure portion that is in a vacuum state from being deformed.

  By the way, the first housing 220a and the second housing 230a sandwich the partition member 240 and the heat insulation strength member 245 so that the inside of the first and second housings 220a and 230a is kept in a substantially vacuum state, for example, Low temperature metal bonding, such as ultrasonic bonding, where the bonded portion does not become high temperature is desirable. The adsorbent 223 is filled in the space with the heat transfer surface of the first internal fin member 221 before being combined, but the refrigerant is sealed by combining the first heat exchange member 220 and the second heat exchange member 230. After that, a predetermined amount is sealed inside the second heat exchange member 230 from an inlet (not shown).

  The first circulating water casing 250 and the second circulating water casing 260 are water jackets formed so as to cover the outside of the first heat exchange member 220 or the second heat exchange member 230, respectively. 1 and FIG. 3, the heat medium A is formed so as to circulate inside the first circulating water casing 250, and the heat medium B is formed so as to circulate inside the second circulating water casing 250. ing.

  The adsorber 200 having the above configuration has the first internal fin member 221 inside the first housing 220a in order to efficiently exhibit the adsorption performance of the adsorbent 223 filled inside the first heat exchange member 220. A first external water fin member 222 is disposed outside the first housing 220a, and a first circulating water housing 250 is formed to circulate the heat medium A through the first external fin member 222. Yes.

  In other words, the first internal fin member 221 for promoting heat exchange of heat generated by the action of the adsorbent 223 and the first for promoting heat exchange between the heat generated by the action of the adsorbent 223 and the heat medium A. The adsorber 200 is reduced in size by disposing the external fin member 222 to improve the adsorption performance.

Here, according to the research by the inventors, the filling layer thickness h of the first internal fin member 221 and the fin pitch P thereof are obtained based on the adsorption performance, adsorption speed, filling efficiency, and the like of the adsorbent 223 to obtain a corrugated shape. Since the optimum shape is found, this will be described with reference to FIGS. FIG. 4A is a calculation model for obtaining the optimum shape, and FIG. 4B is a characteristic diagram showing the relationship between the adsorption performance and the fin pitch P. FIG.

  FIG. 5 is a characteristic diagram showing the relationship between the packed bed thickness h and the required amount of adsorbent, and FIG. 6 is a characteristic diagram showing the relationship between the packed bed thickness h and the adsorber floor area. First, in the corrugated fin, as shown in FIG. 4B, the heat exchange with the adsorbent 223 is promoted as the fin pitch P is reduced, so that the adsorption performance can be improved and the size can be reduced. However, if the fin pitch P is made too small, the volume occupied by the fins is increased and the charging efficiency of the adsorbent 223 is lowered, so that the adsorption performance is drastically lowered, so there is an optimum range.

  Incidentally, it is desirable to set the fin pitch P to about 1 mm to about 4 mm under the condition that the adsorbent particle size is 0.1 to 0.2 mm and the switching time (described later) is about 170 seconds. At this time, the interval between adjacent fins is preferably about 0.5 mm or more and about 2.0 mm or less.

  Next, at the packed layer thickness h, as the thickness h is decreased, the thermal resistance at the heat transfer surface decreases, so that the water vapor resistance of the refrigerant adsorbed (desorbed) into the adsorbent layer decreases. Adsorption performance is improved. Therefore, as shown in FIG. 5, the required adsorbent amount per unit capacity can be reduced as the thickness h is decreased.

  Further, since the adsorption performance is proportional to the adsorption efficiency and inversely proportional to the switching time, the switching time increases as the packed bed thickness h increases. This switching time indicates the adsorption speed of the adsorbent 223. For example, if the adsorption speed increases, the switching time is shortened. As a result, the lower the thickness h, the higher the suction speed, the shorter the switching time, and the higher the suction capacity.

  However, if the thickness h is too low, as shown in FIG. 6, the floor area (installation area of the adsorber) for filling the necessary amount of adsorbent increases rapidly, so there is an optimum range. Incidentally, in this embodiment, it is desirable to set the filling layer thickness h to about 2 mm to about 10 mm. According to the above optimum shape, the adsorption efficiency, the adsorption speed, and the filling efficiency are the best, so that the adsorption performance can be improved and the size can be reduced, and the necessary filling amount of the adsorbent 223 can be reduced.

  On the other hand, in order to efficiently exhibit the condensing performance of the refrigerant sealed inside the second heat exchange member 230 side, the second internal fin member 231 inside the second housing 230a and the outside of the second housing 230a The second external fin member 232 is disposed on the second external fin member 232, and the second circulating water casing 260 is formed so as to circulate the heat medium B through the second external fin member 232.

Specifically, the shape of the second internal fin member 231 determines the heat transfer area based on the heat exchange efficiency in the evaporating action and condensing action of the refrigerant sealed inside. And the heat transfer area is
It is necessary that the surface area of the second internal fin member 231 is expanded to at least about five times the projected area (floor area) in contact with the second housing 230a. More specifically, if the second internal fin member 231 has a heat transfer area that is five times or more the floor area of the second housing 230a, the same shape as the first internal fin member 221 is the optimum shape. .

  By the way, since the first heat exchange member 220 and the second heat exchange member 230 having the above-described configuration are each configured by modularization with a laminated structure, a method for assembling the adsorber 200 of the present invention will be described next. 7 will be described.

  Fig.7 (a) is explanatory drawing which shows the assembly | attachment form of the 1st heat exchange member 220 and the 2nd heat exchange member 230, FIG.7 (b) is A arrow view shown to (a). First, as shown in FIG. 7A, the first heat exchange member 220 precoats an adhesive sheet 220b made of a bonding material on the inside and outside of the first housing 220a. The first internal fin member 221 is temporarily disposed inside the first housing 220a, and the first external fin member 222 and the first circulating water housing 250 are temporarily disposed outside the first housing 220a. Put them in a furnace and join them together.

  On the other hand, the second heat exchange member 230 pre-coats an adhesive sheet 230b made of an adhesive material on the inside and outside of the second housing 230a. The second internal fin member 231 is temporarily arranged inside the second casing 230a, and the second external fin member 232 and the second circulating water casing 260 are temporarily arranged outside the second casing 230a. Put them in a furnace and join them together.

  Then, a predetermined amount of the adsorbent 223 is filled in the heat transfer surface of the first internal fin member 221 on the first heat exchange member 220 side. At this time, one surface of the heat transfer surface is a closed space, but the closed space can be filled with the adsorbent 223 from the louver 221a.

  Then, the partition member 240 and the heat insulation strength member 245 are sandwiched between the first housing 220a and the second housing 230a so that the inside of the first and second housings 220a and 230a is maintained in a substantially vacuum state. As shown in FIG. 7B, the outer peripheral edges of the first and second housings 220a and 230a are joined by low-temperature metal joining, for example, a joining part such as ultrasonic joining that does not reach a high temperature.

  As a result, the first and second casings 220a and 230a are formed in a simple box shape, so that the first and second casings 220a and 230a can be formed with a simple mold. Further, since the first and second inner fin members 221 and 231 and the first and second outer fin members 222 and 232 are formed in a corrugated shape, it is possible to cope with simple roller molding with high productivity. Accordingly, the production cost can be reduced by improving the productivity.

  In the present embodiment, the first and second inner fin members 221 and 231 and the first and second outer fins are prepared by pre-coating an adhesive sheet 220b made of a bonding material on both surfaces of the first and second casings 220a and 230a. The members 222 and 232 are joined. However, the present invention is not limited to this, and a joining material such as a brazing material having a melting point lower than that of the base material is clad (by rolling) on both surfaces of the first and second housings 220a and 230a. You may comprise. According to this, the heat transfer performance of the joint is improved as compared with the adhesive sheet 220b.

  In the present embodiment, the first and second external fin members 222 and 232 are configured to be joined to the outside of the first and second casings 220a and 230a. You may comprise so that it may join to the inside of the circulating water housing | casing 250,260. According to this, the pressure-resistant strength rigidity of the water jacket can be increased.

  Next, the operation of the adsorption refrigerator having the above configuration will be described. First, as shown in FIG. 1, a pump (not shown) and a blower 410 are operated to circulate the heat medium and air, and the switching valves 510 and 520 are operated to operate the first adsorber 200 (hereinafter, left side). Between the first circulating water casing 250 on the side and the outdoor heat exchanger 500, the second circulating water casing 260 on the second adsorber 200 (hereinafter referred to as the right side adsorber) and the outdoor. Between the heat exchanger 500, between the engine 100 and the first circulating water casing 250 on the second adsorber 200 side, and between the second circulating water casing 260 and the indoor heat exchanger 420 on the first adsorber 200 side. Circulate the heat medium between. Hereinafter, such a state is referred to as a first state.

  At this time, since the heat medium heated by the air blown into the room circulates in the second circulating water casing 260 on the first adsorber 200 side, the liquid-phase refrigerant in the second heat exchange member 230 is evaporated. The air blown into the room is cooled by the heat medium cooled by the second heat exchange member 230 by the latent heat of vaporization during the evaporation of the liquid refrigerant.

  At the same time, the first heat exchange member 220 on the first adsorber 200 side adsorbs the vapor-phase refrigerant that has evaporated to promote evaporation. Note that the adsorbent 223 generates heat (condensation heat) when adsorbing the gas-phase refrigerant, and when the temperature of the adsorbent 223 increases, the moisture adsorption capacity decreases. A heat medium is circulated between the circulating water casing 250 and the temperature rise of the adsorbent 223 is suppressed. Hereinafter, the first adsorber 200 in such a state is referred to as an adsorber in an evaporation / adsorption state.

  On the other hand, since the cooling water of the engine 100 flows into the first circulating water casing 250 on the second adsorber 200 side, the adsorbent 223 bonded to the first heat exchange member 220 is heated and adsorbed. Release (desorb) moisture. At this time, since the heat medium cooled by the outdoor heat exchanger 500 is circulated through the second circulating water casing 260 on the second adsorber 200 side, the desorbed vapor phase refrigerant (water vapor) The second heat exchange member 230 cools and condenses. Hereinafter, the second adsorber 200 in such a state is referred to as an adsorber in a condensed / desorbed state.

  Thus, in the first state, on the first adsorber 200 side, evaporation of the refrigerant and adsorption of the evaporated gas phase refrigerant are performed, while on the second adsorber 200 side, the adsorbed moisture Is removed, and the evaporated vapor-phase refrigerant is cooled and condensed. Accordingly, the second heat exchange member 230 on the first adsorber 200 side functions as an evaporator for evaporating the liquid refrigerant, and the second heat exchange member 230 on the second adsorber 300 side is a condenser for condensing the gas-phase refrigerant. Function as.

  Next, when the operation in the first state has elapsed for a predetermined time, as shown in FIG. 8, the switching valves 510 and 520 are operated to exchange heat with the first circulating water casing 250 on the second adsorber 200 side. Between the adsorber 500, between the second circulating water casing 260 on the first adsorber 200 side and the outdoor heat exchanger 500, between the engine 100 and the first circulating water casing 250 on the first adsorber 200 side, In addition, the heat medium is circulated between the second circulating water casing 260 on the second adsorber 200 side and the indoor heat exchanger 420. Hereinafter, such a state is referred to as a second state.

  At this time, since the heat medium heated by the air blown into the room circulates in the second circulating water casing 260 on the second adsorber 200 side, the liquid-phase refrigerant in the second heat exchange member 230 is evaporated. The air blown into the room is cooled by the heat medium cooled by the second heat exchange member 230 by the latent heat of vaporization during the evaporation of the liquid refrigerant.

  At the same time, the first heat exchange member 220 on the second adsorber 200 side adsorbs the vapor-phase refrigerant that has evaporated to prevent the pressure in the first heat exchange member 220 from increasing, and the outdoor heat exchanger A heat medium is circulated between the first circulating water casing 250 and the first circulating water casing 250 to suppress the temperature rise of the adsorbent 223.

  On the other hand, since the coolant of the engine 100 flows into the first circulating water casing 250 on the first adsorber 200 side, the adsorbent 223 bonded to the first heat exchange member 220 in the first state is heated. , The adsorbed water is released (desorbed). At this time, since the heat medium cooled by the outdoor heat exchanger 500 is circulated through the second circulating water casing 260 on the first adsorber 200 side, the desorbed gas-phase refrigerant (water vapor) The second heat exchange member 230 cools and condenses.

  Thus, in the second state, the second adsorber 200 side evaporates the refrigerant and the evaporated vapor phase refrigerant, while the first adsorber 200 side absorbs the adsorbed moisture. Is removed, and the evaporated gas-phase refrigerant is cooled and condensed. Accordingly, the second heat exchange member 230 on the second adsorber 200 side functions as an evaporator for evaporating the liquid refrigerant, and the second heat exchange member 230 on the first adsorber 200 side is a condenser for condensing the gas-phase refrigerant. Function as.

  And when predetermined time passes, it will be set as the 1st state again. In this way, the adsorption refrigerator is continuously operated while repeating the first state and the second state every predetermined time. The predetermined time is selected based on the moisture adsorption performance of the adsorbent 223 of the first heat exchange member 220.

  According to the adsorption chiller adsorber in the first embodiment described above, the first heat exchange member 220 has the first heat and heat of adsorption / desorption action of the adsorbent 223 exchanged by the first internal fin member 221. The second heat exchanging member 230 is configured to exchange heat with the heat medium A flowing outside the housing 220a, and one of the second heat exchanging members 230 is the heat of the condensation / evaporation action of the refrigerant heat exchanged by the second internal fin member 231. And the heat medium B flowing outside the second housing 230a are configured to exchange heat, and the first heat exchange member 220 and the second heat exchange member 230 are opposed to each other.

  As a result, the first and second internal fin members 221 and 231 serving as the heat transfer surfaces and the first and second housings 220a and 230a serving as the joints are provided separately to form a simple shape and a substantially vacuum state. An airtight structure can be formed. Therefore, the manufacturing cost can be reduced with a small size. Moreover, it becomes possible to make it smaller than a general heat exchanger composed of a conventional fin and tube.

  Further, it is possible to obtain the packed layer thickness h and the fin pitch P based on the adsorption efficiency, adsorption speed, and filling efficiency in the adsorption action of the adsorbent 223 for the optimal shape of the first internal fin member 221. Thereby, since the optimal shape according to required adsorption | suction performance can be formed with the packed bed thickness h and the fin pitch P, size reduction of a 1st heat exchange member (220) can be achieved.

  Incidentally, in this embodiment, a corrugated fin with a louver, the filling layer thickness h is preferably about 2 mm or more and about 10 mm or less, and the fin pitch P is preferably about 1 mm or more, When the thickness is about 4 mm or less, the packed layer thickness h has an appropriate range depending on the balance between the required amount of adsorbent and the installation area of the adsorber, and the fin pitch P is a balance between the adsorbent adsorption performance and the packing efficiency. There is an appropriate range.

  More specifically, a small adsorber can be provided as long as the packed bed thickness h and the fin pitch P are within the appropriate ranges. In addition, if the 1st internal fin member 221 is a corrugated type, since the heat-transfer area per unit area is large, the 1st heat exchange member 220 can be reduced in size and manufacturing cost can be reduced.

  Further, by using a corrugated type with a louver, since the louver 221a has an opening larger than the maximum particle size of the adsorbent, the heat transfer surface on one side of the fin is made effective by the louver. 1 The heat exchange member 220 can be downsized.

  On the other hand, the second internal fin member 231 disposed on the second heat exchange member 220 side obtains the heat transfer area based on the heat exchange efficiency in the evaporation and condensation of the refrigerant and obtains the optimum corrugated shape. Is possible.

  Incidentally, it is a corrugated type with a louver, and the heat transfer area is preferably about 5 times or more the floor area where a part of the second internal fin member 231 is preferably joined to the second housing 230a. If the heat transfer area is about 5 times or more than the floor area, the second heat exchange member 230 can be downsized.

  Further, since the first and second housings 220a and 230a are opposed to each other by low-temperature metal bonding, stable metal bonding can be performed without evaporation of moisture from the adsorbent 223 for low-temperature bonding.

  Further, by providing a mesh-shaped partition member 240 made of a metal material having a low thermal conductivity between the first and second casings 220a and 230a, the refrigerant sealed in the second heat exchange member 230 can be obtained. When evaporating by adsorption, a water splash phenomenon occurs toward the upper adsorbent 223, but this partition member 240 can prevent water splash.

  Thereby, the fall of the adsorption | suction performance of the adsorption agent 223 can be prevented. Furthermore, by using a metal material having a low thermal conductivity, heat insulation between the first heat exchange member 220 and the second heat exchange member 230 that cause a temperature difference can be achieved.

  Further, by providing a heat insulating strength member 245 made of an inorganic ceramic material or glass material having a low thermal conductivity between the first and second housings 220a and 230a, the first heat exchange member 220 that generates a temperature difference. And the second heat exchange member 230 can be insulated. In addition, since the inside has an airtight structure in a vacuum state, deformation of the first and second casings 220a and 230a can be prevented.

  In addition, first and second circulating water casings 250 and 260 are provided outside the first and second casings 220a and 230a to form a circulation path for the heat medium. The circulating water casing 260 includes first and second external fin members 222 and 232 having heat transfer surfaces for promoting heat exchange between each heat medium and the adsorbent 223 or the refrigerant. Since the heat exchange efficiency between the internal heat and the heat medium is improved by providing the two housings 230a facing each other, the first and second heat exchange members 220 and 230 can be downsized.

  The first and second casings 220a and 230a, the first and second inner fin members 221, 231 and the first and second outer fin members 222 and 232 and the first and second circulating water casings 250 and 260 are In the adsorber 200 that switches between adsorption and desorption by using a metal material having a high thermal conductivity, the adsorption performance can be improved by reducing the heat capacity.

  Further, in the method of assembling the adsorber 200, the first heat exchange member 220 and the second heat exchange member 230 can be modularized by a laminated structure. In addition, since the first and second housings 220a and 230a are formed in a simple box shape, a simple mold can be used when forming the joint.

  Furthermore, since the first and second inner fin members 221 and 231 and the first and second outer fin members 222 and 232 have a corrugated shape, it is possible to cope with them by simple roller molding. Thereby, the production cost can be reduced by improving the productivity.

  In addition, in the integral joining of the first and second heat exchange members 220 and 230, the inner and outer surfaces of the first and second casings 220a and 230a are pre-coated or clad with a bonding material and then integrally joined by a high temperature furnace. As a result, it is a manufacturing method in which assembly is carried out by pre-coating of the joining material or joining by the cladding of the joining material, so that the productivity can be improved and the manufacturing cost can be reduced. In addition, according to the joining by the clad of the joining material, the heat transfer characteristics are better than the pre-coating of the joining material.

(Second Embodiment)
In the above embodiment, the first and second internal fin members 221 and 231 are arranged so that one end side of the folded surface of the fin is joined to the inside of the first and second casings 220a and 230a. Specifically, as shown in FIGS. 9A and 9B, the fins are disposed so that one end surfaces of the fins are joined to the inside of the first and second housings 220a and 230a. Yes. That is, it is formed so that the adsorbent 223 can be filled on both sides of the fin.

  According to this, there is an advantage that the closed space is not formed by joining one end side of the folded surface of the fin as in the first embodiment. That is, it is possible to prevent the adsorption rate of the adsorbent 223 filled in the closed space from decreasing. Further, since the adsorbent 223 is not filled from the louver 221a side to the one side of the fin, it is not necessary to form the louver 221a with a cut-and-raised angle larger than the maximum particle size of the adsorbent 223.

  In addition to the first and second inner fin members 221 and 231 formed in a corrugated shape with a louver, as shown in FIG. 10, the first and second inner fin members 221 and 231 have holes as shown in FIG. It may be formed in a perforated corrugated shape. In this case, as in the first embodiment, one end side of the folded surface of the fin is disposed so as to be joined to the inside of the first and second housings 220a and 230a, but a plurality of louvers 221a are provided. The hole diameter of the hole 221a is larger than the maximum particle diameter of the adsorbent 223.

(Third embodiment)
In the above embodiment, the louver 221a or the hole 221a is provided so that the first and second internal fin members 221 and 231 are formed in a corrugated shape and the adsorbent 223 can be filled on both sides of the fin. However, the adsorbent 223 may not be filled on one side of the fin that becomes the closed space.

  Specifically, as shown in FIGS. 11 (a) to 11 (c), the opening of the louver 221a or the hole 221a is formed smaller than the particle diameter, and water vapor is generated on the other end side of the folded surface of the fin. A slit-like opening 221b that enters and exits is formed.

  As a result, the closed space of the fin is not filled with the adsorbent 223, and only water vapor can enter and exit. In FIG. 11B, the opening 221a is a minute hole, and in FIG. 11C, the opening 221a is a rectangular hole. Therefore, since the water vapor enters and exits on one side of the fin serving as the closed space, the adsorption efficiency can be improved, and since the adsorbent 223 is not filled in the closed space, the adsorption speed of the adsorbent 223 can be reduced. Therefore, the adsorption performance can be improved.

  As a modified example of the present embodiment, specifically, as shown in FIG. 11, the mesh space may be formed of corrugated mesh fins 221 having a space smaller than the adsorbent particle size.

(Other embodiments)
In the above embodiment, the single adsorber 200 is configured. However, the present invention is not limited to this, and the adsorber 200 may be configured by stacking two or more. Specifically, as shown in FIG. 13, two or more adsorbers 200 are stacked, and according to this, an adsorber 200 that can be reduced in size according to the evaporation capacity or the adsorption capacity can be formed.

  However, when the adsorbers 200 are stacked, heat loss occurs in the overlapping portions if the first and second circulating water casings 250 and 260 are formed of metal materials as in the above embodiments. It is preferable to provide a heat insulating member (not shown) or a resin plate having a low thermal conductivity in the portion.

  In the above embodiment, the first and second circulating water casings 250 and 260 are made of a metal material. However, the present invention is not limited to this, and the first and second circulating water casings 250 and 260 are made of heat conductivity. You may form with a small resin material. According to this, the above-described heat insulating member (not shown) or a resin plate having a low thermal conductivity is not necessary.

  In addition, when the first and second circulating water casings 250 and 260 are formed of a resin material and the first and second heat exchange members 220 and 230 are integrally formed, joining by the clad of the joining material is avoided. Is preferable.

  Further, the first and second circulating water casings 250 and 260 and the first and second heat exchange members 220 and 230 may be assembled without being modularized. In that case, a sealing member (not shown) such as an O-ring or packing is sandwiched between the first and second circulating water casings 250 and 260 and the first and second heat exchange members 220 and 230, and is airtight by caulking or the like. May be.

  Further, in the above embodiment, the heat insulating strength member 245 disposed between the first and second housings 220a and 230a is made of an inorganic ceramic material or glass material having a low thermal conductivity, and has water vapor in the thickness direction. However, the present invention is not limited to this, and as shown in FIG. 14, pillars made of a ceramic material may be aligned.

  In the above embodiment, the present invention is applied to an adsorption refrigerator for a vehicle air conditioner. However, the present invention is not limited to this and may be applied to an adsorption refrigerator for home use or business use.

It is a schematic diagram which shows the whole structure of the adsorption-type refrigerator to which this invention is applied. It is a mimetic diagram showing the whole adsorption machine 200 composition in a 1st embodiment of the present invention. It is a disassembled perspective view which shows the whole structure before the assembly | attachment of the adsorption device 200 in 1st Embodiment of this invention. (A) is explanatory drawing for calculating | requiring the optimal shape of the 1st internal fin member 221 in 1st Embodiment of this invention, (b) It is a characteristic view which shows the relationship between adsorption | suction performance and the fin pitch P. FIG. It is a characteristic view which shows the relationship between packed bed thickness h and the amount of adsorbent required. It is a characteristic view which shows the relationship between packed bed thickness h and an adsorber floor area. (A) is explanatory drawing explaining the assembly | attachment form of the adsorption device 200 in 1st Embodiment of this invention, (b) is A arrow view shown to (a) explaining the joining method. It is a schematic diagram which shows the 2nd state of the adsorption | suction type refrigerator in 1st Embodiment of this invention. (A) is a schematic diagram which shows the arrangement | positioning form of the 1st internal fin member 221 in 2nd Embodiment of this invention, (b) is A arrow view shown to (a). It is a schematic diagram which shows the shape of the 1st internal fin member 221 in the modification of 2nd Embodiment of this invention. (A) thru | or (c) is a schematic diagram which shows the shape of the 1st internal fin member 221 in 3rd Embodiment of this invention. It is a schematic diagram which shows the shape of the 1st internal fin member 221 in the modification of 3rd Embodiment of this invention. It is explanatory drawing which shows the structure at the time of arrange | positioning multiple adsorption machines 200 in other embodiment. (A) And (b) is a schematic diagram which shows the shape of the heat insulation strength member 245 in other embodiment.

Explanation of symbols

220 ... first heat exchange member 220a ... first housing 221 ... first internal fin member 222 ... first external fin member 230 ... second heat exchange member 230a ... second housing 231 ... second internal fin member 232 ... first 2 external fin member 240 ... partition member 245 ... heat insulation strength member 250 ... first circulating water casing 260 ... second circulating water casing

Claims (15)

A first heat exchange member (220) for forming an adsorption / desorption layer by filling an adsorbent therein, and a second heat exchange member (230) for forming a condensation / evaporation surface layer by enclosing a refrigerant therein. In an adsorber for an adsorption refrigeration machine that evaporates the refrigerant using the action of the adsorbent adsorbing the gas-phase refrigerant and exhibits the refrigerating capacity by the latent heat of vaporization,
First and second housings (220a, 230a) which are formed in a box shape and are arranged to face each other to form an airtight structure;
First and second internal fin members (221, 231) having heat transfer surfaces for promoting heat exchange of heat generated by the action of the adsorbent or the refrigerant,
The first heat exchanging member (220) includes heat of adsorption / desorption action of the adsorbent heat-exchanged by the first internal fin member (221) and a heat medium that circulates outside the first casing (220a). Configured to exchange heat with
The second heat exchange member (230) includes heat of refrigerant condensing and evaporating heat exchanged by the second internal fin member (231) and a heat medium circulating outside the second housing (230a). Configured to heat exchange,
The adsorber for an adsorption refrigeration machine, wherein the first heat exchange member (220) and the second heat exchange member (230) are oppositely joined.   The first internal fin member (221) disposed on the side of the first heat exchange member (220) has an adsorption efficiency and adsorption in the adsorption action of the adsorbent filled in the first housing (220a). Based on the speed or the adsorbent filling efficiency, the corrugated optimum is obtained by determining the thickness (h) of the packed bed and the fin pitch (P) of the first internal fin member (221) where the heat transfer surfaces are adjacent to each other. The adsorber for adsorption type refrigerator according to claim 1, wherein the adsorber is formed in a shape.   The first internal fin member (221) is a corrugated type with a louver or an opening hole, and the filling layer thickness (h) is preferably about 2 mm or more and about 10 mm or less. The adsorber for adsorption type refrigerator according to claim 2, wherein the pitch (P) is preferably about 1 mm or more and about 4 mm or less.   The adsorber for an adsorption type refrigerating machine according to claim 3, wherein the first internal fin member (221) has an opening whose louver or opening hole is larger than a maximum particle diameter of the adsorbent.   The second internal fin member (231) disposed on the second heat exchange member (220) side exchanges heat in the evaporating action and condensing action of the refrigerant sealed in the second housing (230a). The adsorber for an adsorption type refrigerator according to claim 1, wherein the heat transfer area is obtained based on the efficiency and is formed into an optimal corrugated shape.   The second internal fin member (231) is a corrugated type with a louver, and the heat transfer area, preferably a part of the second internal fin member (231) is attached to the second casing (230a). 6. The adsorber for adsorption type refrigerator according to claim 5, wherein the adsorber is about 5 times or more than the floor area to be joined.   In the first heat exchange member (220) and the second heat exchange member (230), the first and second housings (220a, 230a) are preferably opposed to each other by metal bonding, more preferably low temperature metal. The adsorber for an adsorption refrigeration machine according to any one of claims 1 to 6, wherein the adsorbers are oppositely bonded by bonding.   The first heat exchange member (220) and the second heat exchange member (230) are in a mesh shape made of a metal material having a low thermal conductivity between the first and second housings (220a, 230a). The adsorber for adsorption type refrigerators according to any one of claims 1 to 7, wherein a partition member (240) is provided.   The first heat exchange member (220) and the second heat exchange member (230) are an inorganic ceramic material or glass having a small thermal conductivity between the first and second housings (220a, 230a). The adsorber for adsorption type refrigerators according to any one of claims 1 to 8, wherein a heat insulating strength member (245) made of a material is provided. First and second circulating water casings (250, 260) that form a circulation path for the heat medium are provided outside the first and second casings (220a, 230a).
The first circulating water housing (250) and the second circulating water housing (260) have first and second heat transfer surfaces for promoting heat exchange between each heat medium and an adsorbent or a refrigerant. 2. The external fin member (222, 232) is disposed opposite to the outside of the first housing (220 a) and the second housing (230 a), according to claim 1. The adsorption machine for adsorption type refrigerators according to claim 1.   The first circulating water casing (250) and the second circulating water casing (260) are preferably formed of a resin material, and are external to the first casing (220a) and the second casing (230a). The adsorber for an adsorption type refrigerating machine according to claim 10, wherein a plurality of at least two or more are laminated after being provided on the adsorbent.   The first and second casings (220a, 230a), the first and second inner fin members (221, 231), the first and second outer fin members (222, 232), and the first and second circulations. The adsorber for an adsorption refrigeration machine according to any one of claims 1 to 11, wherein the water casing (250, 260) is made of a metal material having a high thermal conductivity. A first heat exchange member (220) for forming an adsorption / desorption layer by filling an adsorbent therein, and a second heat exchange member (230) for forming a condensation / evaporation surface layer by enclosing a refrigerant therein. In the method of manufacturing an adsorber for an adsorption refrigeration machine, wherein the adsorbent evaporates the refrigerant using the action of adsorbing the gas-phase refrigerant and exhibits the refrigerating capacity by the latent heat of vaporization.
First and second housings (220a, 230a) which are formed in a box shape and are arranged to face each other to form an airtight structure;
First and second internal fin members (221, 231) having a heat transfer surface for promoting heat exchange of heat generated by the action of an adsorbent or a refrigerant and having a corrugated shape;
First and second external fin members (222, 232) each having a heat transfer surface for promoting heat exchange between each heat medium and the adsorbent or the refrigerant and having a corrugated shape;
First and second circulating water casings (250, 260) that form circulation paths for each heat medium,
The first heat exchange member (220) temporarily arranges the first internal fin member (221) inside the first housing (220a), and the first heat exchange member (220) outside the first housing (220a). The external fin member (222) and the first circulating water casing (250) are temporarily arranged to be integrally joined,
The second heat exchange member (230) temporarily arranges the second internal fin member (231) inside the second housing (230a), and the second heat exchange member (230) outside the second housing (230a). The external fin member (232) and the second circulating water casing (260) are temporarily arranged to be integrally joined,
A method of manufacturing an adsorber for an adsorption refrigeration machine, wherein the first heat exchange member (220) and the second heat exchange member (230) are assembled while facing each other.   The first and second heat exchange members (220, 230) are pre-coated or clad with a bonding material on the inner and outer surfaces of the first and second housings (220a, 230a) before being temporarily placed, 1, the second inner fin members (221, 231), the first and second outer fin members (222, 232) and the first and second circulating water casings (250, 260) The method for manufacturing an adsorber for an adsorption refrigeration machine according to claim 13, wherein the adsorber is temporarily arranged on the inner and outer surfaces of the housing (220a, 230a) and integrally formed by a high temperature furnace. A mesh-shaped partition member (240) made of a metal material having a low thermal conductivity;
A heat insulating strength member (245) made of an inorganic ceramic material or glass material having a small thermal conductivity,
The first heat exchange member (220) and the second heat exchange member (230) may be connected to the first internal fin member (221) before joining the first and second housings (220a, 230a). A predetermined amount of adsorbent is filled therein, and the partition member (240) and the heat insulating strength member (245) are temporarily arranged between the first and second housings (220a, 230a), The method for manufacturing an adsorber for an adsorption refrigeration machine according to claim 13 or 14, wherein the first and second casings (220a, 230a) are assembled by opposingly joining them by low-temperature metal joining.

Images