WO2007074796A1 - 熱交換器およびその製造方法 - Google Patents
熱交換器およびその製造方法 Download PDFInfo
- Publication number
- WO2007074796A1 WO2007074796A1 PCT/JP2006/325828 JP2006325828W WO2007074796A1 WO 2007074796 A1 WO2007074796 A1 WO 2007074796A1 JP 2006325828 W JP2006325828 W JP 2006325828W WO 2007074796 A1 WO2007074796 A1 WO 2007074796A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- receiver
- receiver body
- header tank
- heat exchange
- desiccant
- 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.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
- F28F9/262—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators
- F28F9/268—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators by permanent joints, e.g. by welding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
- F25B2339/044—Condensers with an integrated receiver
- F25B2339/0441—Condensers with an integrated receiver containing a drier or a filter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
- F25B2339/044—Condensers with an integrated receiver
- F25B2339/0446—Condensers with an integrated receiver characterised by the refrigerant tubes connecting the header of the condenser to the receiver; Inlet or outlet connections to receiver
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D2001/0253—Particular components
- F28D2001/026—Cores
- F28D2001/0273—Cores having special shape, e.g. curved, annular
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
- F28D2021/0084—Condensers
Definitions
- the present invention relates to a heat exchanger used in a refrigeration cycle constituting a car air conditioner, for example, and a method for manufacturing the same.
- a pair of header tanks extending vertically and spaced apart from each other are arranged in parallel with a space between the header tanks in the vertical direction.
- a plurality of heat exchange pipes having both ends connected to both header tanks, fins disposed between adjacent heat exchange pipes, and a desiccant placed inside one of the header tanks.
- the first header tank and the second header tank are partitioned at the same height position, so that a condensing part having a function as a condenser is provided below the condensing part.
- a supercooling unit that functions as a supercooler, and the refrigerant flowing out of the condenser passes through the receiver on the peripheral wall of the first header tank and flows into the supercooling unit.
- Liquid receiver connection with flow path Block ⁇ This also to be brazing receiver to receiver connection block is known which is screwed (see Patent Document 1).
- the refrigerant is sealed by sealing between the receiver connection block and the receiver using a seal member such as an O-ring. Leakage is prevented.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2004-211921
- An object of the present invention is to solve the above-mentioned problems and to completely prevent the leakage of refrigerant from between the liquid receiver and the header tank in the heat exchanger in which the liquid receiver is fixed to the header tank. To provide heat exchange.
- the present invention has the following aspect power to achieve the above object.
- a pair of header tanks that are vertically spaced apart from each other and a pair of header tanks that are spaced in parallel in the vertical direction between both header tanks, and both end portions are connected to both header tanks.
- the receiver has first and second communication ports, the first communication port is the refrigerant outlet, and the second communication port is the refrigerant inlet. Heat exchange in which the receiver is directly or indirectly metal-bonded to the first header tank.
- a liquid receiver is disposed in the liquid receiver body that extends in the vertical direction and has a cylindrical liquid receiver body that is open at both upper and lower ends, a cap that closes the upper and lower ends of the liquid receiver body, and And a partition member that divides the receiver body into a plurality of chambers, and a desiccant placed in one of the chambers formed in the receiver body by the partition member,
- the first and second communication ports are formed in the peripheral wall of the receiver body, and the partial force around the two communication ports on the outer peripheral surface of the receiver body is the coolant outlet on the outer peripheral surface of the first header tank and
- the receiver body and the first header tank are brazed so as to be brazed to the part around the refrigerant inlet, both caps are brazed to the upper and lower ends of the receiver body, and the partition member is The heat exchange described in 1) above, in which the multi-hole plate force and the peripheral edge thereof are brazed to the inner peripheral surface of the peripheral wall of the receiver body.
- the liquid receiver is formed by a tubular liquid receiver body extending in the vertical direction and having both upper and lower ends opened, a cap for closing the upper and lower ends of the liquid receiver body, and a mesh.
- a desiccant-containing bag disposed in the main body, and a desiccant contained in the desiccant-containing bag.
- the first and second communication ports are formed in the peripheral wall of the receiver body, and the partial force around the two communication ports on the outer peripheral surface of the receiver body is the coolant outlet on the outer peripheral surface of the first header tank and
- the receiver body and the first header tank are brazed so as to be brazed to the part around the refrigerant inlet, and both caps are brazed to the upper and lower ends of the receiver body to contain the desiccant.
- the receiver support member is metal-bonded to the outer surface of the first header tank, and the receiver is metal-bonded to the receiver support member.
- the heat exchanger as described in 1) above.
- the receiver support member extends downward from the upper surface, and has a large diameter portion and a lower end of the large diameter portion.
- the stepped bottomed hole consisting of a small diameter part connected to the first hole, the first hole passing through the outer surface and the large diameter part of the stepped bottomed hole, and through the outer side surface and the small diameter part of the stepped bottomed hole. And a second hole to let
- the liquid receiver has a cylindrical liquid receiver body whose upper end is closed and whose lower end is open, a partition member made of a multi-hole plate and fixed to the upper part of the liquid receiver body, and the receiver body. And a desiccant placed in a room above the cutting member in
- a first diameter-reduced portion fitted into a portion of the large-diameter portion of the stepped bottomed hole of the receiver support member at a lower end portion of the receiver body, and a first reduced diameter portion
- a tapered portion that is continuous with the lower end of the diameter portion and gradually reduced in diameter downward, and a second reduced diameter portion that is continuous with the lower end of the tapered portion and is fitted into the small diameter portion of the stepped bottom hole.
- a first communication port is formed in the taper portion that communicates with the refrigerant outlet of the first header tank, and a lower end opening of the second reduced diameter portion communicates with the refrigerant inlet of the first header tank; Made,
- the portion around the stepped bottom hole on the upper surface and the outer peripheral surface of the peripheral wall of the receiver body are brazed, and the partial force around the first and second holes on the outer surface of the receiver support member.
- the outer surface of the receiver support member and the peripheral wall of the first header tank are brazed so that the outer peripheral surface of the tank is brazed to the refrigerant outlet and the portion around the refrigerant inlet,
- the first refrigerant flow path is formed by the lower part and the first hole in the large diameter part of the stepped bottomed hole in the receiver support member, and the second part by the lower part and the second hole in the small diameter part of the stepped bottomed hole.
- a pair of header tanks, multiple heat exchange tubes, multiple fins, and up and down A cylindrical receiver body with lower ends open, a cap that closes the upper and lower ends of the receiver body, a partition member that divides the receiver body into a plurality of chambers, and a desiccant are provided. Forming a refrigerant outlet and a refrigerant inlet in the first header tank,
- Both header tanks are spaced apart from each other, and heat exchange tubes and fins are alternately placed between the header tanks.
- the temporary fixing body is heated to the brazing temperature, and both the header tank and the heat exchange pipe, the heat exchange pipe and the fin, the first header tank and the receiver body, and the receiver body, the partition member and the cap are brazed at the same time. And a method for producing heat exchange including removing moisture adsorbed on the desiccant.
- a desiccant-containing bag formed of mesh and containing a desiccant
- Both header tanks are spaced apart from each other, and heat exchange tubes and fins are alternately placed between the header tanks.
- the temporary fixing body is heated to the brazing temperature, and both the header tank and the heat exchange pipe, the heat exchange pipe and the fin, the first header tank and the receiver body, and the receiver body and the cap are brazed at the same time. And a method for producing heat exchange, including removing water adsorbed on the desiccant.
- a desiccant is placed in the upper end of the receiver body, a partition member is disposed below the upper part, and the partition member is fixed in the receiver body by deforming the peripheral wall of the receiver body.
- a first communication port is formed in the tapered portion, and the lower end opening of the second reduced diameter portion is used as the second communication port.
- a stepped bottomed hole consisting of a small diameter portion extending downward from the upper surface of the receiver support member and continuing to the lower end of the large diameter portion and the large diameter portion, and a large diameter of the outer surface and the stepped bottomed hole.
- Both header tanks are spaced apart from each other, and heat exchange tubes and fins are alternately placed between the header tanks.
- the second reduced diameter portion of the receiver body is fitted into the small diameter portion of the stepped bottomed hole of the liquid receiving support member, and the first reduced diameter portion is the first hole in the large diameter portion of the stepped bottomed hole.
- a ring-shaped brazing material between the portion around the stepped bottomed hole on the upper surface of the receiver support member and the outer peripheral surface of the peripheral wall of the receiver body;
- the temporary fixing body is heated to the brazing temperature, both header tanks and heat exchange pipes, heat exchange pipes and fins,
- Method of manufacturing heat exchange including simultaneously brazing the header tank and the receiver support member, and simultaneously receiving the receiver support member and the receiver body and removing the moisture adsorbed on the desiccant .
- the first header tank has the refrigerant outlet and the refrigerant inlet
- the liquid receiver has the first and second communication ports.
- the receiver is directly or indirectly metal-bonded to the first header tank with the first communication port connected to the coolant outlet and the second communication port connected to the refrigerant inlet. It is possible to completely prevent the refrigerant from leaking between the receiver and the first header tank.
- the liquid receiver has a cylindrical liquid receiver body that extends in the vertical direction and is open at both upper and lower ends, and a cap that closes the upper and lower end openings of the liquid receiver body.
- a partition member disposed in the receiver body and partitioning the receiver body into a plurality of chambers, and a drying member placed in one of the chambers formed in the receiver body by the partition member.
- the first and second communication ports are formed in the peripheral wall of the receiver body, and the partial force around the two communication ports on the outer peripheral surface of the receiver body is the peripheral wall of the first header tank.
- the receiver body and the first header tank are brazed so as to be brazed to the refrigerant outlet and the peripheral part of the refrigerant inlet on the outer peripheral surface, the receiver and the first header tank are It becomes possible to completely prevent leakage of the refrigerant from between.
- both the header tank and the heat exchange pipe, the heat exchange pipe and the fin, the first header tank and the liquid receiver body, and the liquid receiver body, the partition member and the cap are simultaneously brazed. Therefore, unlike the integrated heat exchanger described in Patent Document 1, the manufacturing operation is relatively simple because it is not necessary to screw the receiver.
- the moisture adsorbed on the desiccant can be removed simultaneously with the brazing.
- it is built into the refrigeration cycle If the desiccant has deteriorated in performance due to adsorption of a large amount of moisture, remove heat from the refrigeration cycle, for example, heat it in a vacuum atmosphere to add more heat energy than molecular sieving. As a result, the moisture adsorbed on the desiccant can be released and can be reused.
- the liquid receiver has a cylindrical liquid receiver body that extends in the vertical direction and has both upper and lower ends opened, and a cap that closes the upper and lower ends of the liquid receiver body. And a desiccant containing bag formed by a mesh and disposed in the receiver body, and a desiccant contained in the desiccant container bag. And the second communication port is formed, and the portion around the two communication ports on the outer peripheral surface of the peripheral wall of the receiver body is connected to the portion around the refrigerant outlet and the refrigerant inlet on the outer peripheral surface of the first header tank. Since the receiver body and the first header tank are brazed so as to be brazed, it is possible to completely prevent leakage of refrigerant from between the receiver and the first header tank. Become.
- both the header tank and the heat exchange pipe, the heat exchange pipe and the fin, the first header tank and the liquid receiver body, and the liquid receiver body and the cap can be brazed at the same time.
- the manufacturing operation becomes relatively simple.
- the moisture adsorbed on the desiccant can be removed simultaneously with the brazing.
- the heat exchanger is removed and heated, for example, in a vacuum atmosphere. In this way, it is possible to release the moisture adsorbed by the desiccant by measuring the thermal energy beyond the action of the molecular sieve.
- the mesh can be prevented from melting even when heated to the brazing temperature at the time of manufacturing the heat exchange tube.
- the receiver support member is metal-bonded to the outer surface of the first header tank, and the receiver is metal-bonded to the receiver support member.
- the receiver support member includes a refrigerant outlet of the first header tank and a first communication port of the receiver body, and a refrigerant inlet of the first header tank and a second communication port of the receiver body. Are formed between the first header tank and the receiver support member. In addition, it is possible to completely prevent the leakage of the refrigerant from between the receiver support member and the receiver.
- the receiver body When the receiver body is brazed to the receiver support member, moisture adsorbed on the desiccant can be removed simultaneously with the brazing.
- the heat exchanger is removed from the refrigeration cycle and heated, for example, in a vacuum atmosphere. By applying more heat energy than molecular sieves, the moisture adsorbed on the desiccant can be released and reused.
- the adsorbed moisture can be released by heating to the brazing temperature at the time of manufacturing the heat exchange tube.
- the performance does not deteriorate even when the moisture is repeatedly adsorbed and the moisture is released by heating.
- the compressor lubricant is mixed in the refrigerant used in the refrigeration cycle, the lubricant is not adsorbed and only moisture can be adsorbed.
- both the header tank and the heat exchange pipe, the heat exchange pipe and the fin, the first header tank and the liquid receiver main body, and the liquid receiver main body, the partition member, and the cap are connected simultaneously. Therefore, as in the integrated heat exchange described in Patent Document 1, it is not necessary to screw the liquid receiver, and the manufacturing operation becomes relatively simple. In addition, at the same time as the brazing, the moisture adsorbed on the desiccant can be removed.
- both the header tank and the heat exchange pipe, the heat exchange pipe and the fin, the first header tank and the receiver body, and the receiver body and the cap are brazed at the same time. Therefore, like the integrated heat exchange described in Patent Document 1, it is not necessary to screw the liquid receiver, and the manufacturing operation is relatively simple. At the same time as the brazing, it is possible to remove the moisture adsorbed on the desiccant. [0034] According to the above method 11), when the receiver body is brazed to the receiver support member, moisture adsorbed on the desiccant can be removed simultaneously with brazing.
- the term “aluminum” includes an aluminum alloy in addition to pure aluminum.
- the downstream side in the ventilation direction (the back side of the drawing in FIG. 1, the upper side in FIGS. 2 and 6) is referred to as the front, and the opposite side is referred to as the rear.
- FIGS. 1 to 4 This embodiment is shown in FIGS. 1 to 4, and the present invention is an integrated heat exchange in which a condensing part having a condenser function and a supercooling part having a supercooler function are integrated. This is applied to the vessel.
- FIGS. 3 and 4 show the configuration of the main part.
- the integrated heat exchanger (1) includes a pair of left and right aluminum header tanks (2) (3) and two header tanks (2 ) (3) A plurality of aluminum flat shapes arranged in parallel with a vertical interval between them and with both left and right ends connected to both header tanks (2) and (3) by brazing, respectively.
- the left header tank (2) is referred to as the first header tank
- the right header tank (3) is referred to as the second header tank.
- An aluminum side plate (8) is arranged above the heat exchange pipe (4) at the upper end and below the heat exchange pipe (4) at the lower end, respectively, spaced apart from the heat exchange pipe (4).
- An aluminum corrugated fin (5) is also arranged between 8) and the heat exchange pipe (4) and brazed to the side plate (8) and the heat exchange pipe (4).
- the heat exchange core (7) is formed by the heat exchange pipe (4) and the corrugated fin (5), and as shown in Fig. 2, the heat exchange core (7) A straight line that extends, and the center line force of both the header tanks (2) (3) and the receiver body (17) described later of the receiver (6). It is located on an extension line that extends the center line in the ventilation direction at the left and right ends of the part (7) outward in the left-right direction.
- the whole integrated heat exchanger (1) when brazing all parts together, temporarily fix the receiver body (17) using a relatively simple jig. This can lead to a simplified manufacturing process.
- Both header tanks (2) and (3) are formed of a body (2AX3A) formed by forming an aluminum brazing sheet having a brazing filler metal layer on both sides into a cylindrical shape and brazing the butted edges. It consists of a closing member (2BX3B) that closes the top and bottom openings of the main body (2AX3A).
- the heat exchanger tube (4) is formed of an aluminum extruded profile that is an aluminum bare material, and the corrugated fin (5) is formed of an aluminum brazing sheet having brazing material layers on both sides.
- the heat exchange tube (4) may be formed by bending an aluminum brazing sheet having a brazing filler metal layer on both sides and brazing a required portion.
- the two header tanks (2) and (3) of the integrated heat exchanger (1) are divided into upper and lower parts by an aluminum partition plate (12) at the same height at the bottom.
- the condensing part (10) that functions as a condenser that condenses the gas-phase refrigerant into the liquid phase, and the liquid refrigerant condensed in the condensing part (10) is 5 to 15 ° C below the condensation temperature.
- a supercooling section (11) that has the function of a supercooler that supercools to a low temperature is provided in a single vertical line in the same vertical plane.
- the upper part of the first header tank (2) above the partition plate (12) is the condensing unit left header part (2a), and the lower part is the supercooling part left header part (2b), 2
- the upper part of the header tank (3) above the cutting plate (12) is the condensing unit right header (3a), and the lower part is the supercooling unit right header (3b).
- the left portion of the first header tank (2) is formed with a recess (9) that extends vertically and has an inner peripheral surface that is cylindrical. Condensation on the bottom wall of the recess (9) A refrigerant outlet (13) is formed at a portion corresponding to the lower end of the left header portion (2a), and a refrigerant inlet (14) is formed at a portion corresponding to the upper end of the left header portion (2b) of the supercooling portion. (See Fig. 3 and Fig. 4)
- the refrigerant inlet member (15) is brazed to the upper end of the condensing unit right header (3a) so as to communicate with the condensing unit right header (3a).
- the supercooling part right header part (3b) has a refrigerant outlet member ( 16) Power Brazed so as to communicate with the supercooler right header (3b).
- a first partition plate made of aluminum is provided in the middle of the concentrating section right header section (3a) in the height direction.
- the condensing section first header section (2a) The second partition plate made of aluminum is provided inside the lower part of the slab, and the condensing unit (10) has an upper part above the first partition plate, a part between both partition plates, and a lower part than the second partition plate.
- the number of heat exchange tubes (4) constituting each passage group is gradually reduced from the top.
- the flow direction of the refrigerant in all the heat exchange tubes (4) constituting each passage group is the same, and the flow direction of the refrigerant in the heat exchange tubes (4) of the two adjacent passage groups is different. Yes.
- the liquid receiver (6) includes a cylindrical liquid receiver body (17) made of an aluminum bare material extending in the vertical direction and opened at both upper and lower ends, and the liquid receiver body.
- An aluminum cap (18) that closes the top and bottom openings of (17), and a plurality of parts in the receiver body (17) that are arranged in the receiver body (17) at intervals in the vertical direction.
- a strainer (23) that prevents foreign matter and desiccant (21) from flowing out into the supercooling part left header (2b).
- the liquid receiver body (17) is formed of an aluminum bare material, and the peripheral wall thereof matches the refrigerant outlet (13) and the refrigerant inlet (14) of the first header tank (2).
- the first and second communication ports (24X25) are formed at intervals in the vertical direction.
- the liquid receiver body (17) has a partial force around the two communication ports (24X25) on the outer peripheral surface of the peripheral wall.
- the refrigerant outlet (13) and the refrigerant inlet on the outer peripheral surface of the first header tank (2) It is fitted into the recess (9) of the first header tank (2) and brazed to the inner peripheral surface of the recess (9) so as to be brazed to the peripheral portion of (14).
- the cap (18) is made of an aluminum brazing sheet having a brazing filler metal layer on both sides, and a cylindrical portion integrally formed on the peripheral edge thereof is brazed to the inner peripheral surface of the peripheral wall of the receiver body (17). Has been.
- the partition member (19) is formed of a multi-hole plate made of an aluminum brazing sheet having a brazing filler metal layer on both sides, and a cylindrical portion formed integrally with the peripheral edge portion thereof is a receiver body (17) Is brazed to the inner peripheral surface of the peripheral wall.
- the upper partition member (19) and the upper cap (18), and the lower partition member (19) and the lower cap (18) are spaced apart from each other, thereby forming upper and lower chambers (17AX17B). .
- the desiccant (21) here is composed of synthetic zeolite having a pore diameter of 3 to 5 angstroms.
- the strainer (22) for preventing the desiccant (21) from flowing out from the chamber (17B) of the receiver body (17) is a material that maintains a solid phase in a temperature range of 650 ° C or lower.
- it is made of stainless steel and is arranged so as to cover the lower surface of the upper partition member (19) and the upper surface of the lower partition member (19).
- the strainer (23), which prevents the flow of foreign matter and desiccant (21) from the receiver body (17) into the supercooler left header (2b), is a solid phase within a temperature range of 650 ° C or lower.
- the inner periphery of the first header tank (2) is brazed to a portion around the second communication port (25) that leads to the refrigerant inlet (14), thereby allowing the strainer (23) to communicate with the second communication port. Covers mouth (25).
- a recess (9), a refrigerant outlet (13), and a refrigerant inlet (14) are formed in the peripheral wall of the main body (2A) for the first header tank (2).
- the first and second communication ports (24X25) are formed in the peripheral wall of the receiver body (17).
- the main body (2AX3A) for the header tanks (2) and (3) is arranged with an interval in the left-right direction, and a closing member (2BX3B) is arranged at both upper and lower ends of the main body, and further partitioned.
- a closing member (2BX3B) is arranged at both upper and lower ends of the main body, and further partitioned.
- heat exchanger tubes (4) and corrugated fins (5) are alternately placed between the two main bodies (2AX3A) so that the corrugated fins (5) are positioned at both upper and lower ends, and the corrugated fins (5) at both ends are further arranged.
- both partition members (19) are arranged in the receiver body (17) so as to form three chambers (17A), (17B), and (17C) in the receiver body (17).
- a desiccant (21) is disposed between the partition members (19).
- the desiccant (21) from the chamber (17B) is prevented from flowing into the receiver body (17), and foreign matter and desiccant (21) are prevented from flowing into the supercooler left header (2b).
- caps (18) are arranged at both upper and lower ends of the receiver body (17).
- the temporary fixing body is heated to the brazing temperature, and both the main body (2AX3A) and the closing member (2BX3B) are brazed, and the partition plate (12) is brazed to the main body (2AX3A).
- the header tank (2) (3) is formed, and both header tanks (2) (3) and heat exchange pipe (4), heat exchange pipe (4) and corrugated fin (5), corrugated fin (5 ) And side plate (8), first header tank (2) and receiver body (17), receiver body (17), both caps (18) and both partition members (19), and receiver body Braze (17) and frame (26) of strainer (23) at the same time.
- the moisture adsorbed on the desiccant (21) is removed.
- the integrated heat exchanger (1) is manufactured.
- the integrated heat exchanger (1) constitutes a refrigeration cycle together with a compressor, an expansion valve (decompressor), and an evaporator, and is mounted on a vehicle as a car air conditioner.
- the high-temperature and high-pressure gaseous refrigerant compressed by the compressor flows into the condenser right header part (3a) through the refrigerant inlet member (15), and the heat exchange pipe of the condenser part (10).
- Condensates while flowing in the condenser flows into the condenser left header (2a), passes through the refrigerant outlet (13) and the first communication port (24), and enters the receiver (6).
- the refrigerant flows into the supercooling part left header part (2b) through the second communication port (25) and the refrigerant inlet (14), and flows into the refrigerant flow pipe.
- Subcooled 5-15 ° C while flowing in the right direction and flows into the right header (3b) of the subcooling section then flows out through the refrigerant outlet member (16), and the expansion valve Then it is sent to the evaporator.
- Embodiment 2 This embodiment is shown in FIG.
- the partition member (19) as in Embodiment 1 is provided in the receiver body (17) of the receiver (31).
- the desiccant (21) and the strainer (22) between the partition members (19) are not arranged, and the desiccant containing bag (32) containing the desiccant (21) is arranged.
- the desiccant-containing bag (32) is a material that maintains a solid phase within a temperature range of 650 ° C or less, here it is stainless steel, and the size of the eyes is such that the desiccant (21) does not pass through. It is made of size and is formed by a mesh.
- the manufacturing method of the integrated heat exchanger (30) is as follows. Before brazing, the partition body (17) and the desiccant between the partition members (19) in the receiver body (17) (21) In addition, the desiccant-containing bag (32) containing the desiccant (21) is placed instead of the strainer (22). Is the same.
- the heat exchange core portion (7) may be inclined upstream (rear side) in the ventilation direction. That is, the left and right ends of the heat exchange pipe (4), the corrugated fin (5), and the side plate (8) are bent so as to incline upstream in the ventilation direction. Also in this case, the center line of the receiver body (17) of both header tanks (2) (3) and receiver (6) is the ventilation of the inclined parts at the left and right ends of the heat exchange core (7). It is located on an extension line that extends the center line of the direction outward in the left-right direction.
- the liquid receiver support member (41) is brazed to the outer surface of the first header tank (2), and the liquid receiver support member (41) The receiver (42) is brazed.
- the receiver support member (41) is made of aluminum bare material, and extends downward from its upper surface.
- Large diameter part (43a) and small diameter part (43b) connected to the lower end of large diameter part (43a) Stepped bottomed hole (43) with force and large diameter of right side and stepped bottomed hole (43) Portion (43a) through the inner peripheral surface of the first hole (44) and the second hole (45) through the right side surface and the inner peripheral surface of the lower end of the small diameter portion (43b) of the stepped bottomed hole (43) ).
- the receiver support member (41) has a portion around the first and second holes (44X45) on the right side thereof, the refrigerant outlet (13) and the refrigerant on the outer peripheral surface of the peripheral wall of the first header tank (2). It is brazed to the peripheral wall of the first header tank (2) so as to be brazed to the portion around the inlet (14).
- the liquid receiver (42) includes an aluminum cylindrical liquid receiver body (46) whose upper end is closed and whose lower end is open, and a multi-hole plate and a liquid receiver body (46).
- a partition member (47) fixed to the top of the container, a desiccant (21) placed in a chamber (48) above the partition member (47) in the receiver body (46), and a partition member
- a strainer (22) arranged to cover the upper surface of (47) and preventing the desiccant (21) from flowing out of the chamber (48), and a lower end opening of the receiver body (46).
- a strainer (49) for preventing the desiccant (21) and foreign matter from flowing out of the receiver body (46) into the first header tank (2).
- the liquid receiver body (46) is formed of an aluminum bare material, and the lower end of the liquid receiver body (46) is in the large diameter portion (43a) of the stepped bottomed hole (43) of the liquid receiver support member (41).
- the first reduced diameter portion (51) inserted into the portion above the first hole (44) and the lower diameter of the first reduced diameter portion (51) are connected to the lower end of the first reduced diameter portion (51) and gradually reduced in diameter.
- a second reduced diameter portion (53) that is connected to the lower end of the tapered portion (52) and is fitted into the small diameter portion (43b) of the stepped bottomed hole (43). ing.
- a first communication port (54) communicating with the refrigerant outlet (13) of the first header tank (2) is formed in the taper portion (52).
- the lower end opening of the second reduced diameter portion (53) serves as a second communication port (55) communicating with the refrigerant inlet (14) of the first header tank (2).
- the first reduced diameter portion (51) is in the large diameter portion (43a) of the stepped bottomed hole (43) of the receiver support member (41), and the second reduced diameter portion (53) is the small diameter portion ( 43b), the portion around the stepped bottom hole (43) on the upper surface of the receiver support member (41) and the outer peripheral surface of the peripheral wall of the receiver body (46) are inserted into the receiver receiver member (41). It is brazed.
- a first refrigerant flow passage (56) is formed between the refrigerant outlet (13) of the first header tank (2) and the first communication port (54) of the receiver body (46), and is stepped.
- the bottom of the small-diameter portion (43b) of the bottomed hole (43) and the second hole (45) allow the refrigerant inlet (14) of the first header tank (2) and the second of the receiver body (46) to A second refrigerant flow passage (57) is formed through the communication port (55).
- the thickness of the portion around the large-diameter portion (43a) of the stepped bottomed hole (43) in the receiver support member (41) is the first thickness of the receiver main body (46).
- the thickness of the peripheral wall of the reduced diameter part (51) is 2.5 times or less.
- the partition member (47) is formed of a multi-hole plate that also serves as an aluminum bare material, and a downward cylindrical portion formed integrally with the peripheral portion thereof is formed on the peripheral wall of the receiver body (46). By engaging with the inward projecting portion (59), it is fixed to the receiver body (46)!
- the strainer (49) which prevents the desiccant (21) and foreign matter from flowing out of the receiver body (46) into the first header tank (2), has a cylindrical shape with an open lower end and a closed upper end.
- the ring (58) is fixed to the lower end of the ring.
- the strainer (49) and the ring (58) are also materials that remain in a solid state within a temperature range below 650 ° C, here also stainless steel.
- the ring (58) is press-fitted into the upper end of the second reduced diameter portion (53) of the receiver body (46), thereby covering the lower end opening of the receiver body (46).
- the manufacturing method of the integrated heat exchanger (40) is as follows.
- the two main bodies (2A) (3A), the closing members (2B) (3B), the heat exchange pipe (4), the corrugated fin (5), the side plate ( 8) and the partition plate (12) are arranged in the same manner as in Embodiment 1, and then the openings to the right side of the two holes (44X45) and the refrigerant flow of the main body (2A) for the first header tank (2)
- the receiver support member (41) is arranged along the main body (2A) so that the outlet (13) and the refrigerant inlet (14) are aligned.
- a cylindrical liquid receiver body (46), a partition member (47), a desiccant (21), and a strainer (22X49) having an upper end closed and a lower end opened and having the same diameter over the entire length.
- the desiccant (21) is placed in the upper end of the receiver body (46), and the strainer (22) and the partition member (47) are arranged below the receiver body (46).
- the partition member (47) is fixed in the receiver body (46) by deforming the peripheral wall of the inner wall to form the inward projecting portion (59).
- the receiver body (46) The lower end portion is provided with a first reduced diameter portion (51), a tapered portion (52), and a second reduced diameter portion (53), a first communication port (54) is formed in the tapered portion (52), and (2) The lower end opening of the reduced diameter portion (53) is used as the second communication port (55), and the ring (58) at the lower end portion of the strainer (49) is fixed in the upper end portion of the second reduced diameter portion (55).
- the second reduced diameter portion (53) of the receiver body (46) is fitted into the small diameter portion (43b) of the stepped bottom hole (43) of the receiver support member (41).
- the first reduced diameter part (51) is fitted into the upper part of the large diameter part (43a) of the stepped bottom hole (43) above the first hole (44), and both header tanks (2 ) (3)
- the temporary fixing body is heated to a brazing temperature, and both the main body (2AX3A) and the closing member (2BX3B) are brazed, and the partition plate (12) is brazed to the main body (2AX3A).
- the header tank (2) (3) is formed, and both header tanks (2) (3) and heat exchange pipe (4), heat exchange pipe (4) and corrugated fin (5), corrugated fin (5 ) And side plate (8), first header tank (2), receiver support member (41), and top of the receiver support member (41).
- the part and the outer peripheral surface of the peripheral wall of the receiver body (46) are brazed at the same time, and moisture adsorbed on the desiccant (21) is removed. In this way, the integrated heat exchanger (40) is manufactured.
- the heat exchanger according to the present invention is suitably used for, for example, a refrigeration cycle constituting a car air conditioner.
- FIG. 1 is a partially omitted front view showing a first embodiment of an integrated heat exchanger to which a heat exchanger according to the present invention is applied.
- FIG. 2 is a plan view of the integrated heat exchanger of FIG.
- FIG. 3 is a vertical sectional view, seen from the front, showing an enlarged main part of the integrated heat exchanger of FIG.
- FIG. 4 is an enlarged sectional view taken along line AA in FIG.
- FIG. 5 is a view corresponding to FIG. 3 showing Embodiment 2 of the integrated heat exchanger to which the heat exchanger according to the present invention is applied.
- FIG. 6 is a plan view showing a modification of the heat exchange core portion of the integrated heat exchanger of Embodiments 1 and 2.
- FIG. 7 is a view corresponding to FIG. 3 showing Embodiment 3 of the integrated heat exchanger to which the heat exchanger according to the present invention is applied.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
- Air-Conditioning For Vehicles (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007551973A JP5050857B2 (ja) | 2005-12-28 | 2006-12-26 | 熱交換器およびその製造方法 |
| DE112006002854T DE112006002854T5 (de) | 2005-12-28 | 2006-12-26 | Wärmetauscher und Herstellungsverfahren desselben |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005-378702 | 2005-12-28 | ||
| JP2005378702 | 2005-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2007074796A1 true WO2007074796A1 (ja) | 2007-07-05 |
Family
ID=38218016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2006/325828 Ceased WO2007074796A1 (ja) | 2005-12-28 | 2006-12-26 | 熱交換器およびその製造方法 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5050857B2 (ja) |
| DE (1) | DE112006002854T5 (ja) |
| WO (1) | WO2007074796A1 (ja) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2110623A1 (en) * | 2008-04-17 | 2009-10-21 | SHOWA ALUMINIUM CZECH, s.r.o. | Heat exchanger |
| CN102192622A (zh) * | 2010-03-10 | 2011-09-21 | 昭和电工株式会社 | 冷凝器 |
| JP2011183869A (ja) * | 2010-03-05 | 2011-09-22 | Showa Denko Kk | コンデンサ |
| CN102235781A (zh) * | 2010-04-20 | 2011-11-09 | 昭和电工株式会社 | 冷凝器 |
| JP2014020597A (ja) * | 2012-07-13 | 2014-02-03 | Keihin Thermal Technology Corp | コンデンサ |
| US10563890B2 (en) | 2017-05-26 | 2020-02-18 | Denso International America, Inc. | Modulator for sub-cool condenser |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012112708B4 (de) * | 2012-12-20 | 2022-09-08 | Denso Automotive Deutschland Gmbh | Kältemittelkreislauf, insbesondere in einem Fahrzeug |
| DE102013217072A1 (de) * | 2013-08-27 | 2015-03-05 | Behr Gmbh & Co. Kg | Kondensator |
| US12584664B2 (en) * | 2022-07-15 | 2026-03-24 | Rheem Manufacturing Company | Integrated refrigerant charge collector for heat pumps |
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| JP2001074338A (ja) * | 1999-09-06 | 2001-03-23 | Zexel Valeo Climate Control Corp | レシーバタンク一体型コンデンサ |
| JP2001263869A (ja) * | 2000-03-23 | 2001-09-26 | Calsonic Kansei Corp | リキッドタンク |
| JP2002213897A (ja) * | 2001-01-16 | 2002-07-31 | Zexel Valeo Climate Control Corp | 熱交換器 |
| JP2004211921A (ja) * | 2002-12-27 | 2004-07-29 | Showa Denko Kk | 冷凍サイクル用レシーバタンク、レシーバタンク付き熱交換器及び冷凍サイクル用凝縮装置 |
| JP2004271101A (ja) * | 2003-03-11 | 2004-09-30 | Nikkei Nekko Kk | 受液器付き熱交換器 |
| JP2004353936A (ja) * | 2003-05-28 | 2004-12-16 | Denso Corp | 熱交換器および受液器一体型凝縮器 |
-
2006
- 2006-12-26 WO PCT/JP2006/325828 patent/WO2007074796A1/ja not_active Ceased
- 2006-12-26 JP JP2007551973A patent/JP5050857B2/ja not_active Expired - Fee Related
- 2006-12-26 DE DE112006002854T patent/DE112006002854T5/de not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001074338A (ja) * | 1999-09-06 | 2001-03-23 | Zexel Valeo Climate Control Corp | レシーバタンク一体型コンデンサ |
| JP2001263869A (ja) * | 2000-03-23 | 2001-09-26 | Calsonic Kansei Corp | リキッドタンク |
| JP2002213897A (ja) * | 2001-01-16 | 2002-07-31 | Zexel Valeo Climate Control Corp | 熱交換器 |
| JP2004211921A (ja) * | 2002-12-27 | 2004-07-29 | Showa Denko Kk | 冷凍サイクル用レシーバタンク、レシーバタンク付き熱交換器及び冷凍サイクル用凝縮装置 |
| JP2004271101A (ja) * | 2003-03-11 | 2004-09-30 | Nikkei Nekko Kk | 受液器付き熱交換器 |
| JP2004353936A (ja) * | 2003-05-28 | 2004-12-16 | Denso Corp | 熱交換器および受液器一体型凝縮器 |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2110623A1 (en) * | 2008-04-17 | 2009-10-21 | SHOWA ALUMINIUM CZECH, s.r.o. | Heat exchanger |
| JP2011183869A (ja) * | 2010-03-05 | 2011-09-22 | Showa Denko Kk | コンデンサ |
| CN102192622A (zh) * | 2010-03-10 | 2011-09-21 | 昭和电工株式会社 | 冷凝器 |
| JP2011185562A (ja) * | 2010-03-10 | 2011-09-22 | Showa Denko Kk | コンデンサ |
| US8991479B2 (en) | 2010-03-10 | 2015-03-31 | Showa Denko K.K. | Condenser |
| CN102192622B (zh) * | 2010-03-10 | 2015-07-08 | 株式会社京滨冷暖科技 | 冷凝器 |
| CN102235781A (zh) * | 2010-04-20 | 2011-11-09 | 昭和电工株式会社 | 冷凝器 |
| CN102235781B (zh) * | 2010-04-20 | 2015-07-08 | 株式会社京滨冷暖科技 | 冷凝器 |
| JP2014020597A (ja) * | 2012-07-13 | 2014-02-03 | Keihin Thermal Technology Corp | コンデンサ |
| US10563890B2 (en) | 2017-05-26 | 2020-02-18 | Denso International America, Inc. | Modulator for sub-cool condenser |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2007074796A1 (ja) | 2009-06-25 |
| DE112006002854T5 (de) | 2008-11-06 |
| JP5050857B2 (ja) | 2012-10-17 |
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