CN210664073U - Heat exchange device with auxiliary heat exchange function - Google Patents
Heat exchange device with auxiliary heat exchange function Download PDFInfo
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- CN210664073U CN210664073U CN201921836794.XU CN201921836794U CN210664073U CN 210664073 U CN210664073 U CN 210664073U CN 201921836794 U CN201921836794 U CN 201921836794U CN 210664073 U CN210664073 U CN 210664073U
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Abstract
The utility model relates to the field of heat exchangers, in particular to a heat exchange device with an auxiliary heat exchange function; the heat exchanger comprises a plate-fin heat exchanger, a heat pipe and a heat radiating fin; by arranging the heat pipe and the radiating fin, the medium flowing through the low-efficiency heat exchange area can form secondary heat exchange through the heat pipe and the radiating fin, so that the temperature difference between the medium flowing through the low-efficiency heat exchange area and the medium flowing through the high-efficiency heat exchange area is reduced, and the heat exchange efficiency of the medium in the plate-fin heat exchanger is improved; the technical problem of uneven overall heat exchange effect of the heat exchanger caused by the fact that a temperature field with high heat exchange efficiency in the middle and low heat exchange efficiency at two sides is formed on the windward side of the plate-fin heat exchanger and the heat dissipation device in the prior art is solved, the temperature of media flowing through a low-efficiency heat exchange area is high, and the temperature of media flowing through a high-efficiency heat exchange area is low.
Description
Technical Field
The utility model relates to a heat exchanger field specifically is a heat transfer device with supplementary heat transfer function.
Background
The plate-fin heat exchanger generally includes a core and a heat sink, and the heat sink can generally cover the windward side of the core, so that the air pressurized by the heat sink can effectively form a heat exchange state with the core.
In the prior art, a temperature field with high heat exchange efficiency in the middle and low heat exchange efficiency at two sides is formed on the windward side by the plate-fin heat exchanger and the heat dissipation device, the temperature of a medium flowing through a low-efficiency heat exchange area is higher, and the temperature of a medium flowing through a high-efficiency heat exchange area is lower, so that the overall heat exchange effect of the heat exchanger is uneven.
SUMMERY OF THE UTILITY MODEL
For solving prior art, plate-fin heat exchanger and heat abstractor heat transfer efficiency height in the middle of the windward side forms and the temperature field that both sides heat exchange efficiency is low, the temperature of the regional medium of low efficiency heat transfer of flowing through is than higher, and the temperature ratio of the regional medium of high efficiency heat transfer of flowing through is lower to lead to the inhomogeneous technical problem of whole heat transfer effect of heat exchanger, the utility model provides a heat abstractor with supplementary heat transfer function.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
according to one aspect of the present invention, a heat exchanger with auxiliary heat exchange function is provided, which comprises a plate-fin heat exchanger, a heat pipe and a heat sink; the plate-fin heat exchanger is arranged in the vertical direction, one end of the heat pipe is arranged in the plate-fin heat exchanger, and the other end of the heat pipe is arranged outside the plate-fin heat exchanger; the radiating fin is arranged outside the plate-fin heat exchanger and connected with the other end of the heat pipe.
Further, the plate-fin heat exchanger is provided with a discharge end socket; one end of the heat pipe penetrates through the discharge seal head and is arranged in the discharge seal head.
Furthermore, an auxiliary opening is formed in the discharge seal head, and one end of the heat pipe is inserted into the discharge seal head through the auxiliary opening.
Further, the heat pipe is welded in the discharge seal head, and a gap between the heat pipe and the auxiliary opening is sealed in a welding mode.
Further, the heat pipe is detachably arranged in the discharge seal head; a sleeve nut is arranged on the auxiliary opening and movably connected with the auxiliary opening; an external thread sleeve is sleeved on the heat pipe, and a gap between the heat pipe and the external thread sleeve is sealed in a welding mode; the heat pipe is inserted into the auxiliary opening, and the external thread sleeve is in threaded connection with the sleeve nut.
Furthermore, the plate-fin heat exchanger is provided with a plurality of heat medium channels and a plurality of refrigerant channels; an installation groove for arranging the heat pipe is arranged between every two adjacent heat medium channels; two adjacent heat medium channels are arranged between two adjacent refrigerant channels; one end of the heat pipe is welded in the mounting groove, and the other end of the heat pipe extends out of the mounting groove.
Furthermore, the mounting groove is arranged in the vertical direction, one section of the heat pipe is filled in the mounting groove, and at least one end of the heat pipe extends out of the mounting groove.
Furthermore, the mounting groove is arranged in the horizontal direction, one section of the heat pipe is filled in the mounting groove, and at least one end of the heat pipe extends out of the mounting groove.
Furthermore, the cooling fins are arranged at the left end and/or the right end of the outer part of the plate-fin heat exchanger, and at least one heat pipe is fixedly connected with all the cooling fins.
Further, the fan also comprises a fan blade, a motor and an air guide cover; the fan blade is arranged in the air guide cover, the motor is arranged outside the air guide cover, and a rotating shaft of the motor extends into the air guide cover and is connected with the fan blade; the wind scooper is covered on the windward side of the plate-fin heat exchanger, and the radiating fins are arranged outside the covered outline of the wind scooper.
The technical scheme has the following advantages or beneficial effects:
the heat exchange device with the auxiliary heat exchange function, provided by the utility model, can form a second heat exchange by the heat pipe and the radiating fins through the medium flowing through the low-efficiency heat exchange area, thereby reducing the temperature difference between the medium flowing through the low-efficiency heat exchange area and the medium flowing through the high-efficiency heat exchange area and improving the heat exchange efficiency of the medium in the plate-fin heat exchanger; the technical problem of uneven overall heat exchange effect of the heat exchanger caused by the fact that a temperature field with high heat exchange efficiency in the middle and low heat exchange efficiency at two sides is formed on the windward side of the plate-fin heat exchanger and the heat dissipation device in the prior art is solved, the temperature of media flowing through a low-efficiency heat exchange area is high, and the temperature of media flowing through a high-efficiency heat exchange area is low.
Drawings
Fig. 1 is an exploded view of a heat exchanger with an auxiliary heat exchange function provided in embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of the heat pipe and heat sink of FIG. 1;
fig. 3 is an exploded view of a heat exchanger with an auxiliary heat exchange function according to embodiment 2 of the present invention;
FIG. 4 is a schematic diagram of the heat pipe and heat sink of FIG. 3;
fig. 5 is an exploded view of a heat exchanger with an auxiliary heat exchange function according to embodiment 3 of the present invention;
FIG. 6 is a schematic structural view of one of the heat pipes and the mounting groove of FIG. 5;
FIG. 7 is another schematic structural view of the heat pipe and the mounting groove of FIG. 5;
fig. 8 is a further structural schematic view of the heat pipe and the mounting groove of fig. 5.
Detailed Description
For solving prior art, plate-fin heat exchanger and heat abstractor heat transfer efficiency height in the middle of the windward side forms and the temperature field that both sides heat exchange efficiency is low, the temperature of the regional medium of low efficiency heat transfer of flowing through is than higher, and the temperature ratio of the regional medium of high efficiency heat transfer of flowing through is lower to lead to the inhomogeneous technical problem of whole heat transfer effect of heat exchanger, the utility model provides a heat abstractor with supplementary heat transfer function.
Referring to fig. 1, 3 or 5, a heat exchange device with an auxiliary heat exchange function comprises a plate-fin heat exchanger 1, a heat pipe 2 and a heat sink 3;
the plate-fin heat exchanger 1 is arranged in the vertical direction, one end of the heat pipe 2 is arranged in the plate-fin heat exchanger 1, and the other end of the heat pipe 2 is arranged outside the plate-fin heat exchanger 1;
the radiating fins 3 are arranged outside the plate-fin heat exchanger 1, and the radiating fins 3 are connected with the other ends of the heat pipes 2.
The plate-fin heat exchanger 1 is arranged in the vertical direction, the top of the plate-fin heat exchanger 1 is used for injecting media, and the bottom of the plate-fin heat exchanger 1 is used for discharging the media. When the medium flows from the top to the bottom of the plate-fin heat exchanger 1, the temperature of the medium gradually decreases along the flow path of the medium, so that a high temperature region is formed at the top of the heat exchanger and a low temperature region is formed at the bottom of the heat exchanger. When the external heat dissipation device is covered on the windward side of the plate-fin heat exchanger 1, the heat dissipation device generally adopts a fan to pressurize air, so that when the pressurized air flows to the windward side, a circular high-efficiency heat exchange area, a weak-efficiency heat exchange area positioned in the middle of the high-efficiency heat exchange area and a low-efficiency heat exchange area positioned outside the high-efficiency heat exchange area are formed. Therefore, the temperature of the medium at the bottom end of the plate-fin heat exchanger 1 and at the left and right ends of the plate-fin heat exchanger 1 is higher than the temperature of the medium at the bottom end of the plate-fin heat exchanger 1 and at the middle of the plate-fin heat exchanger 1.
Inserting one end of the heat pipe 2 into the plate-fin heat exchanger 1, so that a medium in the plate-fin heat exchanger 1 can be in contact with the heat pipe 2, and thus the end of the heat pipe 2 in contact with the medium forms a high-temperature end, and the end of the heat pipe 2 in contact with the radiating fin 3 forms a low-temperature end; after the heat pipe 2 absorbs the temperature of the medium, the heat transfer medium in the heat pipe 2 is changed from a liquid state to a gaseous state, and the gaseous heat transfer medium flows from the high-temperature end to the low-temperature end of the heat pipe 2, so that the temperature of the medium in the plate-fin heat exchanger 1 is 'transferred' to the outside of the plate-fin heat exchanger 1. The heat radiation fins 3 serve to increase the contact area of the other end of the heat pipe 2 with the air, so that the heat exchange efficiency between the heat pipe 2 and the air can be improved.
One end of the heat pipe 2 is arranged inside the plate-fin heat exchanger 1, and the following two heat 'transferring' modes are formed according to the medium flowing direction of the plate-fin heat exchanger 1:
a, one end of a heat pipe 2 is located at the top of a plate-fin heat exchanger 1, so that the heat pipe 2 and a medium with higher temperature form heat exchange, and the medium in the plate-fin heat exchanger 1 firstly forms first cooling through the heat pipe 2, and forms second cooling through the plate-fin heat exchanger 1 and a heat dissipation device outside the plate-fin heat exchanger 1 along with the medium flowing from the top end to the bottom end of the plate-fin heat exchanger 1, so that the temperature of the medium is lower when the medium is discharged out of the plate-fin heat exchanger 1.
And B, one end of the heat pipe 2 is positioned at the bottom of the plate-fin heat exchanger 1, so that the heat pipe 2 and a medium with lower temperature form heat exchange, the medium in the plate-fin heat exchanger 1 is firstly cooled for the first time through the plate-fin heat exchanger 1, and along with the process that the medium is discharged out of the plate-fin heat exchanger 1, the medium positioned at the bottom end of the plate-fin heat exchanger 1 is cooled for the second time through the heat pipe 2, and the temperature of the medium is lower when the medium is discharged out of the plate-fin heat exchanger 1.
One end of the heat pipe 2 is arranged inside the plate-fin heat exchanger 1, and the heat pipe 2 exchanges heat with a medium in the low-efficiency heat exchange area according to a temperature field formed by the plate-fin heat exchanger 1 and a heat dissipation device, and the following two ways of 'transferring' heat can be formed:
one end of the heat pipe 2 is positioned at the bottom of the plate-fin heat exchanger 1, so that a medium flowing through the low-efficiency heat exchange region can contact with one end of the heat pipe 2 to form a heat exchange state; because the temperature of the medium flowing through the low-efficiency heat exchange region is higher than that of the medium flowing through the high-efficiency heat exchange region, the temperature of the medium flowing through the low-efficiency heat exchange region is further reduced through the heat pipe 2, the temperature difference between the medium flowing through the low-efficiency heat exchange region and the medium flowing through the high-efficiency heat exchange region is reduced, and the overall temperature of all the media is lower when all the media are discharged out of the bottom of the plate-fin heat exchanger.
One end of the heat pipe 2 penetrates through the bottom of the plate-fin heat exchanger 1, so that the heat pipe 2 can be respectively contacted with a medium in the low-efficiency heat exchange region and a medium in the high-efficiency heat exchange region; the media flowing through the two heat exchange areas generate temperature differences relative to the other ends (the ends of the radiating fins 3) of the heat pipes 2, so that the media flowing through the two heat exchange areas can be reduced in temperature through the heat pipes 2, and the overall temperature of the media flowing through the two areas is lower.
It should be understood that, on the basis of the plate-fin heat exchanger in the prior art, by increasing the volume of the plate-fin heat exchanger in the prior art, the effect of reducing the overall temperature of the medium can be achieved; however, the volume of the plate-fin heat exchanger is increased, and the increased weight is larger than the volume of the heat exchange device with the auxiliary heat exchange function provided by the utility model; in addition, in some actual installation areas of the plate-fin heat exchanger in the prior art, the installation areas can limit the actual volume of the plate-fin heat exchanger in the prior art, so that the plate-fin heat exchanger in the prior art is difficult to improve the heat exchange efficiency in a volume increasing mode; and the utility model provides a heat exchange device with supplementary heat transfer function can set up on plate-fin heat exchanger 1 through the mode that changes the direction of heat pipe 2 and fin 3, in the installation area who receives the volume restriction, for example: when the plate-fin heat exchanger 1 is arranged in the vertical direction, and the top-to-bottom direction and the left-to-right direction of the plate-fin heat exchanger are respectively limited by the installation area, the heat pipes 2 and the fins can be arranged on the leeward side or the windward side of the plate-fin heat exchanger 1, so that the limitation of the installation area is avoided; still, the effect that reduces the overall temperature of medium is played through the mode of increase volume to prior art's plate-fin heat exchanger, however, the plate-fin heat exchanger of prior art after the increase volume, it still has low efficiency heat transfer region and high efficiency heat transfer region to make the prior art's plate-fin heat exchanger of increase volume, do not increase actual heat exchange efficiency, and the utility model provides a heat exchange device with supplementary heat transfer function, on the basis that does not change 1 volume of plate-fin heat exchanger, increased plate-fin heat exchanger 1's heat exchange efficiency.
The heat exchange device with the auxiliary heat exchange function, provided by the utility model, can form a second heat exchange by the heat pipe and the radiating fins through the medium flowing through the low-efficiency heat exchange area, thereby reducing the temperature difference between the medium flowing through the low-efficiency heat exchange area and the medium flowing through the high-efficiency heat exchange area and improving the heat exchange efficiency of the medium in the plate-fin heat exchanger; the technical problem of uneven overall heat exchange effect of the heat exchanger caused by the fact that a temperature field with high heat exchange efficiency in the middle and low heat exchange efficiency at two sides is formed on the windward side of the plate-fin heat exchanger and the heat dissipation device in the prior art is solved, the temperature of media flowing through a low-efficiency heat exchange area is high, and the temperature of media flowing through a high-efficiency heat exchange area is low.
The present invention will be described in detail below by way of examples.
Example 1:
in this embodiment, one end of the heat pipe 2 is disposed in the end socket at the bottom of the plate-fin heat exchanger 1, which is specifically as follows:
referring to fig. 1 or fig. 2, the plate fin heat exchanger 1 has a discharge head 103; one end of the heat pipe 2 passes through the discharge head 103 and is arranged in the discharge head 103.
The discharge end enclosure 103 is arranged at the bottom of the plate-fin heat exchanger 1, and correspondingly, the injection end enclosure 104 is arranged at the top of the plate-fin heat exchanger 1; the medium is injected into the plate-fin heat exchanger 1 from the injection head 104, and the medium flows through the plate-fin heat exchanger 1 along the direction from the injection head 104 to the discharge head 103, so that the medium forms a first heat exchange through the plate-fin heat exchanger 1; when the medium flows into the discharge end enclosure 103, the medium can form secondary heat exchange with one end of the heat pipe 2 in the discharge end enclosure 103; the heat pipe 2 'transfers' the heat of the medium to the radiating fin 3 outside the plate-fin heat exchanger 1, and the heat of the medium is discharged to the air through the radiating fin 3.
In this embodiment, in order to facilitate the insertion of one end of the heat pipe 2 into the discharge head 103, the discharge head 103 should be modified as follows:
referring to fig. 1, the discharge head 103 is provided with an auxiliary opening 105, and one end of the heat pipe 2 is inserted into the discharge head 103 through the auxiliary opening 105.
By providing the auxiliary opening 105 on the discharge head 103, one end of the heat pipe 2 can be conveniently inserted into the discharge head 103, so that the connection structure between the heat pipe 2 and the discharge head 103 becomes simple, and the plate-fin heat exchanger 1 of the present embodiment is easy to process and manufacture.
It should be understood that when the discharge head 103 is actually disposed at the bottom of the plate-fin heat exchanger 1, it is preferable to provide the auxiliary openings 105 at the left and right ends of the discharge head 103, because, in the material selection of the discharge head 103, an aluminum alloy profile having an arc shape and a sheet-like plate material are generally used, and the sheet-like plate material is welded at both ends of the aluminum alloy profile having an arc shape; before the flaky plate is welded on the arc-shaped aluminum alloy section, the auxiliary opening 105 is arranged on the flaky plate, so that the flaky plate can be positioned more easily in the process of machining the auxiliary opening 105, and the overall machining difficulty of the discharge seal head 103 can be reduced.
In the present embodiment, a gap is formed between the end socket and the auxiliary opening 105, so that the medium in the plate-fin heat exchanger 1 can flow out of the gap. In order to solve this problem, the present embodiment provides the following solutions, specifically:
referring to fig. 2, the heat pipe 2 is welded in the discharge head 103, and the gap between the heat pipe 2 and the auxiliary opening 105 is sealed by welding.
On one hand, the heat pipe 2 is welded in the discharge end enclosure 103, so that the heat pipe 2 can form fixed connection relative to the discharge end enclosure 103 or the plate-fin heat exchanger 1, and on the other hand, the gap between the heat pipe 2 and the auxiliary opening 105 is sealed by welding, so that the medium in the plate-fin heat exchanger 1 can be prevented from flowing out from the gap between the heat pipe 2 and the auxiliary opening 105. In the process of actually assembling the discharge head 103 and the heat pipe 2, the welding process of the heat pipe 2 and the discharge head 103, and the welding process of the heat pipe 2 and a part of the auxiliary opening 105 may be performed in the same process; alternatively, in the process of actually assembling the discharge head 103, the heat pipe 2 and the plate-fin heat exchanger 1, the welding process of the heat pipe 2 and the discharge head 103, the welding process of the heat pipe 2 and the auxiliary opening 105, and the welding process of the discharge head 103 and the plate-fin heat exchanger 1 may be performed in the same process. Meanwhile, it should be understood that the welding manner among the heat pipe 2, the discharge head 103 and the plate-fin heat exchanger 1 should be brazing.
It should be understood that the other end of the heat pipe 2 in the present embodiment is also provided with the heat sink 3.
Example 2:
the heat exchange device with the auxiliary heat exchange function in this embodiment is similar to the heat exchange device with the auxiliary heat exchange function in embodiment 1 in the above-mentioned overall structure; the difference between the two is that the connection mode of the heat pipe 2 and the discharge end enclosure 103 is different, and the following is specific:
referring to fig. 3 or 4, the heat pipe 2 is detachably disposed in the discharge head 103;
a sleeve nut 106 is arranged on the auxiliary opening 105, and the sleeve nut 106 is movably connected with the auxiliary opening 105;
the heat pipe 2 is sleeved with an external thread sleeve 107, and a gap between the heat pipe 2 and the external thread sleeve 107 is sealed in a welding mode;
the heat pipe 2 is inserted into the auxiliary opening 105, and the male screw 107 and the collet nut 106 are screwed.
Wherein, the discharge end enclosure 103 is provided with an auxiliary opening 105, and one end of the heat pipe 2 can be inserted into the discharge end enclosure 103 through the auxiliary opening 105; furthermore, a movable collet nut 106 is arranged on the auxiliary opening 105, the collet nut 106 being movable in the axial and radial direction relative to the auxiliary opening 105, but the collet nut 106 being inseparable relative to the auxiliary opening 105. A typical arrangement mode is that an annular connecting port protruding out of the auxiliary opening 105 is arranged on the auxiliary opening 105, a protruding ring structure protruding outwards is arranged at the mouth of the annular connecting port, the sleeve nut 106 is cylindrical as a whole, internal threads are arranged in the sleeve nut 106, and an annular structure recessed inwards is arranged at one end of the sleeve nut 106, so that when the sleeve nut 106 is sleeved on the annular connecting port, the annular connecting port is matched with the annular structure of the sleeve nut 106 through the protruding ring structure, and the sleeve nut 106 and the annular connecting port cannot be separated in the axial direction; meanwhile, the sleeve nut 106 is inseparable from the annular connecting port in the radial direction; thereby rendering the aforementioned collet nut 106 non-detachable relative to the secondary opening 105.
And, there is a male thread cover 107 on the heat pipe 2, the heat pipe 2 can pierce through both ends of the male thread cover 107 along the axial direction of the male thread cover 107; the heat pipe 2 and the external thread sleeve 107 are fixed by welding, and the gap between the heat pipe 2 and the external thread sleeve 107 can be sealed by welding, so that the medium in the plate-fin heat exchanger 1 is prevented from flowing out of the gap between the heat pipe 2 and the external thread sleeve 107.
When the heat pipe 2 having the external thread bushing 107 is inserted into the auxiliary opening 105, it is screwed and fixed with the external thread bushing 107 on the heat pipe 2 by rotating the collet nut 106. By adopting the connection mode, the heat pipe 2 and the radiating fins 3 thereof can be assembled on the discharge end enclosure 103 in a detachable mode; during the actual assembly process, the positioning and fixing of the heat pipe 2 relative to the discharge head 103 can be simply realized through the sleeve nut 106 and the external thread sleeve 107; during the maintenance process, the heat pipe 2 and the heat dissipation fins 3 thereof can be replaced by disassembling the sleeve nut 106 by workers.
Example 3:
in this embodiment, one end of the heat pipe 2 and the heat medium channel 101 in the low-efficiency heat exchange region of the plate-fin heat exchanger 1 form a heat exchange state, specifically:
referring to fig. 5, 6, 7 or 8, the plate-fin heat exchanger 1 has a plurality of heat medium channels 101 and a plurality of cooling medium channels 102;
an installation groove 9 for arranging the heat pipe 2 is arranged between two adjacent heat medium channels 101;
two adjacent heat medium channels 101 are arranged between two adjacent refrigerant channels 102 together;
one end of the heat pipe 2 is welded in the mounting groove 9, and the other end of the heat pipe 2 extends out of the mounting groove 9.
The heat pipe 2 is integrally U-shaped, one end of the heat pipe 2 is arranged in the plate-fin heat exchanger 1, and the other end of the heat pipe 2 is arranged outside the plate-fin heat exchanger 1.
An installation groove 9 is provided between two adjacent heat medium channels 101, and one end of the heat pipe 2 is disposed in the installation groove 9, so that the two heat medium channels 101 can respectively form a heat exchange state with the heat pipe 2; the heat pipe 2 absorbs the heat of the medium in the two heat medium channels 101, and then 'transfers' the heat of the medium to the outside of the plate-fin heat exchanger 1.
It should be understood that, when the heat pipe 2 is U-shaped as a whole, one end of the heat pipe 2 is disposed in the installation groove 9, and a portion of the heat pipe 2 should be in a direction-changing structure spanning the installation groove 9, the at least one heat medium channel 101 and the at least one cooling medium channel 102, so that the other end of the heat pipe 2 extends out of the plate-fin heat exchanger 1; in the path that a part of the heat pipe 2 crosses the installation groove 9, the at least one heat medium channel 101 and the at least one cooling medium channel 102, a gap between the heat pipe 2 and the plate-fin heat exchanger 1 is formed, and the gap between the heat pipe 2 and the plate-fin heat exchanger 1 should be welded in a welding manner, so that the medium in the plate-fin heat exchanger 1 is prevented from flowing out from the gap between the heat pipe 2 and the plate-fin heat exchanger 1.
In addition, the two heat medium channels 101 and the installation groove 9 are commonly arranged between the two cooling medium channels 102, so that any one heat medium channel 101 can form a heat exchange state with one cooling medium channel 102 and the heat pipe 2, thereby improving the heat exchange efficiency of the heat medium channel 101 located in the first efficiency heat exchange area.
In the present embodiment, in order to facilitate better contact of the heat pipe 2 to the two heat medium passages 101, it is necessary to provide the installation groove 9 between the two heat medium passages 101, and the heat pipes 2 can be respectively brought into contact with the heat medium passages 101.
The method specifically comprises the following steps:
the mounting groove 9 is arranged in the vertical direction, one section of the heat pipe 2 fills the mounting groove 9, and at least one end of the heat pipe 2 extends out of the mounting groove 9.
As is well known, the plate fin heat exchanger 1 is composed of a partition plate, fins and a seal. In the present embodiment, one heat medium passage 101 is composed of two adjacent partitions, two seals disposed between the two partitions, and a fin disposed between the partitions and the seals, respectively. The installation groove 9 is provided between the two heat medium passages 101 such that when the heat pipe 2 is installed in the installation groove 9, one of the surfaces of the heat pipe 2 is in contact with the partition of one of the heat medium passages 101 and the other surface of the heat pipe 2 is in contact with the partition of the other of the heat medium passages 101, thereby enabling one heat pipe 2 to exchange heat with the two heat medium passages 101.
In the actual processing process, the following schemes can be adopted to actually arrange the mounting groove 9:
referring to fig. 6, the partition plates of the two heat medium passages 101 are shaped as flat plates, and the gaps between the adjacent two partition plates of the two heat medium passages 101 are directly used as the mounting grooves 9; in the brazing process of the plate-fin heat exchanger 1, a pair of symmetrical planes of the heat pipe 2 are respectively coated with brazing solder, and one plane of the heat pipe 2 is in contact with the partition plate of one of the heat medium channels 101 through the brazing solder, and the other plane of the heat pipe 2 is in contact with the partition plate of the other heat medium channel 101 through the brazing solder; after brazing, welding is formed between the heat pipe 2 and the two heat medium passages 101, and the medium temperatures in the two heat medium passages 101 are respectively transmitted to the heat pipe 2 through the partition plates connected with the heat pipe 2, so that the heat exchange state between the heat pipe 2 and the two heat medium passages 101 is formed.
B, referring to fig. 8, the partition plate of one of the heat medium passages 101 is formed in a flat plate shape, the partition plate of the other of the heat medium passages 101 is formed in a groove shape, and a gap enclosed between the flat plate-shaped partition plate of one of the heat medium passages 101 and the groove-shaped partition plate of the other of the heat medium passages 101 is used as the installation groove 9; in the brazing process of the plate-fin heat exchanger 1, one end of the heat pipe 2 is arranged in the groove-shaped partition plate, one surface of the heat pipe 2 is exposed out of the groove-shaped partition plate, and the rest heat pipes 2 are accommodated in the groove-shaped partition plate; the heat pipe 2 is coated with brazing filler metal so that after brazing, the heat pipe 2 is welded to the groove-shaped partition and the plate-shaped partition, respectively, and the medium temperatures in the two heat medium passages 101 are transmitted to the heat pipe 2 through the plate-shaped partition and the groove-shaped partition, respectively, thereby forming a heat exchange state between the heat pipe 2 and the two heat medium passages 101. It should be noted that, when the partition of one of the heat medium passages 101 is provided in a groove shape, the fins of the heat medium passage 101 should be correspondingly changed so that the groove shape can be recessed between the fins toward the inside of the heat medium passage 101.
C, referring to fig. 7, one of the partition plates of the two heat medium passages 101 is respectively provided in a half-groove shape, and the two half-groove-shaped partition plates enclose a gap for accommodating the heat pipe 2 therebetween, and the heat pipe 2 can be provided between the two half-groove-shaped partition plates; coating one end of the heat pipe 2 with brazing solder so that the heat pipe 2 can be respectively contacted with the two semi-groove-shaped clapboards through the brazing solder; after brazing, the heat pipe 2 is welded with the two half-groove-shaped clapboards respectively, and the medium temperature in the two heat medium channels 101 is transmitted to the heat pipe 2 through the two half-groove-shaped clapboards respectively, so that the heat exchange state of the heat pipe 2 and the two heat medium channels 101 is formed. It should be noted that, when the partitions of the two heat medium passages 101 are respectively provided in a half-recessed shape, the fins of the heat medium passages 101 should be correspondingly changed so that the half-recessed shape can be recessed between the fins toward the inside of the heat medium passages 101.
No matter which of the aforesaid specific installation groove 9 is adopted, after heat pipe 2 and plate-fin heat exchanger 1 are actually installed (brazed), plate-fin heat exchanger 1 is arranged in the vertical direction, and heat medium channel 101 is arranged along the vertical direction, wherein one end of heat pipe 2 should be arranged between two adjacent heat medium channels 101 along the vertical direction, wherein the other end of heat pipe 2 both can be arranged in the outside of plate-fin heat exchanger 1 in a vertical manner, also can be arranged in the outside of plate-fin heat exchanger 1 in an inclined or bent manner.
In this embodiment, since the heat pipe 2 in this embodiment is U-shaped, it is inevitable that the heat pipe 2 extends from the inside of the plate-fin heat exchanger 1 to the outside of the plate-fin heat exchanger 1, in the actual plate-fin heat exchanger 1, the heat pipe 2 needs to pass through the end socket located at the bottom of the plate-fin heat exchanger 1 (in the foregoing embodiments 1 and 2, the position structure of the discharge end socket 103 and the heat pipe 2 is already formed), or the heat pipe 2 needs to pass through a part of the partition, the fin and the seal at the bottom end of the plate-fin heat exchanger 1. If the heat pipe 2 needs to penetrate through a part of the partition plate, the fin and the seal at the bottom end of the plate-fin heat exchanger 1, the bottom of the corresponding partition plate, the bottom of the corresponding fin and the bottom of the corresponding seal need to be provided with the mounting grooves 9 respectively.
Specifically, the mounting groove 9 is arranged in the horizontal direction, one section of the heat pipe 2 fills the mounting groove 9, and at least one end of the heat pipe 2 extends out of the mounting groove 9.
The mounting groove 9 arranged in the horizontal direction can accommodate an arc-shaped portion or a horizontal bent portion of the U-shaped heat pipe 2, so that the heat pipe 2 can extend from the inside of the plate-fin heat exchanger 1 to the outside of the plate-fin heat exchanger 1. Moreover, one section of the heat pipe 2 should be welded with the passing sealing plate, fin and seal by means of brazing, so as to prevent the medium from flowing out of the slot-shaped opening through which the heat pipe 2 passes.
In addition to all the foregoing, since the heat pipe 2 can be bent within a limited range, the heat dissipation fins 3 disposed on the other end of the heat pipe 2 can be disposed in any direction and position with respect to the plate-fin heat exchanger 1 according to the bending angle and direction of the heat pipe 2. On the basis of all the foregoing embodiments, a preferred way of arranging the heat sink 3 is as follows:
referring to fig. 1, 3 or 5, the heat dissipation fins 3 are disposed at the left and/or right ends of the exterior of the plate-fin heat exchanger 1, and at least one heat pipe 2 is fixedly connected to all the heat dissipation fins 3.
If only one heat pipe 2 is arranged in the plate-fin heat exchanger 1, the heat pipe 2 is preferably arranged along the outer part of the left end or the outer part of the right end of the plate-fin heat exchanger 1, so that the influence of the heat pipe 2 and the radiating fins 3 on the injection seal head 104 at the top and the discharge seal head 103 at the bottom of the plate-fin heat exchanger 1 can be reduced; in particular, the heat pipes 2 and the heat radiating fins 3 can be prevented from influencing the windward side and the leeward side of the plate-fin heat exchanger 1.
If two heat pipes 2 are arranged in the plate-fin heat exchanger 1, the two heat pipes 2 extend along the left end direction and the right end direction of the plate-fin heat exchanger 1 to form the plate-fin heat exchanger 1, so that the radiating fins 3 on the two heat pipes 2 are arranged outside the left end and the right end of the plate-fin heat exchanger 1 respectively, and the influence of the heat pipes 2 and the radiating fins 3 on an injection seal head 104 at the top and a discharge seal head 103 at the bottom of the plate-fin heat exchanger 1 can be reduced; in particular, the heat pipes 2 and the heat radiating fins 3 can be prevented from influencing the windward side and the leeward side of the plate-fin heat exchanger 1.
If the plate-fin heat exchanger 1 is provided with the plurality of heat pipes 2, the plurality of heat pipes 2 are divided into two groups, and the two groups of heat pipes 2 extend along the left end direction and the right end direction of the plate-fin heat exchanger 1 respectively, so that the radiating fins 3 on the two groups of heat pipes 2 are arranged outside the left end and the right end of the plate-fin heat exchanger 1 respectively, and the influence of the heat pipes 2 and the radiating fins 3 on the injection seal head 104 at the top and the discharge seal head 103 at the bottom of the plate-fin heat exchanger 1 can be reduced; in particular, the heat pipes 2 and the heat radiating fins 3 can be prevented from influencing the windward side and the leeward side of the plate-fin heat exchanger 1.
Further, on the basis of all the above contents, the heat exchange device with the auxiliary heat exchange function provides a better heat dissipation device, and specifically comprises:
referring to fig. 1, 3 or 5, the heat exchange device with the auxiliary heat exchange function further includes a fan blade 5, a motor 6 and an air guiding cover 7;
the fan blade 5 is arranged in the air guide cover 7, the motor 6 is arranged outside the air guide cover 7, and the rotating shaft of the motor 6 extends into the air guide cover 7 and is connected with the fan blade 5;
the wind scooper 7 is covered on the windward side of the plate-fin heat exchanger 1, and the radiating fins 3 are arranged outside the covered outline of the wind scooper 7.
The motor 6 is used for driving the fan blades 5 to rotate, and air flows to the windward side of the plate-fin heat exchanger 1 after being pressurized by the fan blades 5; the air guide cover 7 can block the pressurized air in the radial direction of the fan blades 5, so that the pressurized air is prevented from overflowing along the radial direction of the fan blades 5, and the pressurized air can only flow in the direction of the plate-fin heat exchanger 1.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (10)
1. A heat exchange device with an auxiliary heat exchange function is characterized by comprising a plate-fin heat exchanger, a heat pipe and a heat radiating fin;
the plate-fin heat exchanger is arranged in the vertical direction, one end of the heat pipe is arranged in the plate-fin heat exchanger, and the other end of the heat pipe is arranged outside the plate-fin heat exchanger;
the radiating fin is arranged outside the plate-fin heat exchanger and connected with the other end of the heat pipe.
2. The heat exchange device with the auxiliary heat exchange function according to claim 1, wherein the plate-fin heat exchanger is provided with a discharge end socket;
one end of the heat pipe penetrates through the discharge seal head and is arranged in the discharge seal head.
3. The heat exchange device with the auxiliary heat exchange function as claimed in claim 2, wherein an auxiliary opening is provided on the discharge head, and one end of the heat pipe is inserted into the discharge head through the auxiliary opening.
4. The heat exchange device with the auxiliary heat exchange function according to claim 3, wherein the heat pipe is welded in the discharge end socket, and a gap between the heat pipe and the auxiliary opening is sealed by welding.
5. The heat exchange device with the auxiliary heat exchange function as claimed in claim 3, wherein the heat pipe is detachably arranged in the discharge seal head;
a sleeve nut is arranged on the auxiliary opening and movably connected with the auxiliary opening;
an external thread sleeve is sleeved on the heat pipe, and a gap between the heat pipe and the external thread sleeve is sealed in a welding mode;
the heat pipe is inserted into the auxiliary opening, and the external thread sleeve is in threaded connection with the sleeve nut.
6. The heat exchange device with the auxiliary heat exchange function as claimed in claim 1, wherein the plate-fin heat exchanger is provided with a plurality of heat medium channels and a plurality of refrigerant channels;
an installation groove for arranging the heat pipe is arranged between every two adjacent heat medium channels;
two adjacent heat medium channels are arranged between two adjacent refrigerant channels;
one end of the heat pipe is welded in the mounting groove, and the other end of the heat pipe extends out of the mounting groove.
7. The heat exchange device with the auxiliary heat exchange function according to claim 6, wherein the installation groove is arranged in a vertical direction, one section of the heat pipe fills the installation groove, and at least one end of the heat pipe extends out of the installation groove.
8. The heat exchange device with the auxiliary heat exchange function according to claim 6, wherein the installation groove is arranged in a horizontal direction, one section of the heat pipe fills the installation groove, and at least one end of the heat pipe extends out of the installation groove.
9. The heat exchange device with the auxiliary heat exchange function according to any one of claims 1 to 8, wherein the heat dissipation fins are arranged at the left end and/or the right end of the exterior of the plate-fin heat exchanger, and at least one heat pipe is fixedly connected with all the heat dissipation fins.
10. The heat exchange device with the auxiliary heat exchange function according to claim 9, further comprising fan blades, a motor and an air guide cover;
the fan blade is arranged in the air guide cover, the motor is arranged outside the air guide cover, and a rotating shaft of the motor extends into the air guide cover and is connected with the fan blade;
the wind scooper is covered on the windward side of the plate-fin heat exchanger, and the radiating fins are arranged outside the covered outline of the wind scooper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921836794.XU CN210664073U (en) | 2019-10-29 | 2019-10-29 | Heat exchange device with auxiliary heat exchange function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921836794.XU CN210664073U (en) | 2019-10-29 | 2019-10-29 | Heat exchange device with auxiliary heat exchange function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210664073U true CN210664073U (en) | 2020-06-02 |
Family
ID=70814411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921836794.XU Active CN210664073U (en) | 2019-10-29 | 2019-10-29 | Heat exchange device with auxiliary heat exchange function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210664073U (en) |
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2019
- 2019-10-29 CN CN201921836794.XU patent/CN210664073U/en active Active
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