CN108801028A - A kind of micro-channel heat exchanger and its installation method in Cold Chain Logistics field - Google Patents
A kind of micro-channel heat exchanger and its installation method in Cold Chain Logistics field Download PDFInfo
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- CN108801028A CN108801028A CN201810502582.1A CN201810502582A CN108801028A CN 108801028 A CN108801028 A CN 108801028A CN 201810502582 A CN201810502582 A CN 201810502582A CN 108801028 A CN108801028 A CN 108801028A
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- Prior art keywords
- heat exchange
- flat heat
- exchange pipe
- pipe
- link block
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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
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
-
- 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
- F28D2021/0028—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for cooling heat generating elements, e.g. for cooling electronic components or electric devices
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of micro-channel heat exchangers in Cold Chain Logistics field, including flat heat exchange pipe and fixed frame, it is connected by clamping block between the two neighboring flat heat exchange pipe in left and right, the both ends of link block are both provided with card slot, the end far from link block is connected with shunt pipe in the flat heat exchange pipe of left end, the end far from link block is connected with afflux branch pipe in the flat heat exchange pipe of right end, it is connected by regulating part between neighbouring two flat heat exchange pipes, fin component is evenly arranged between neighbouring two flat heat exchange pipes.The installation method includes the following steps：(1) assembly of lateral flat heat exchange pipe；(2) assembly of longitudinal flat heat exchange pipe；(3) installation of fixed frame.The overall construction design of the present invention is ingenious rationally, micro-channel heat exchanger can carry out the adjustment of flat heat exchange pipe length according to actual heat exchange rate, the increase and decrease that can carry out flat heat exchange pipe or more number again simultaneously improves comprehensive utilization ratio to improve the heat exchange rate of micro-channel heat exchanger.
Description
Technical field
The present invention relates to a kind of micro-channel heat exchangers and its installation method in Cold Chain Logistics field.
Background technology
Microchannel, also referred to as micro-channel heat exchanger are exactly heat exchanger of the channel equivalent diameter at 10-1000 μm.It is this to change
There are tens of subtle runners in the flat tube of hot device, is connected at the both ends of flat tube and round collector.Partition board is set in collector, it will
Heat exchanger runner is separated into several flows.Miniature micro-channel heat exchanger is designed to meet the needs of electronics industry development
A kind of compact-sized, light and handy, efficient heat exchanger, structure type have tablet cross-current type micro heat exchanger, sintered meshwork formula porous
Micro heat exchanger.
There are many types of brand of existing novel micro-channel heat exchanger in the market, but existing novel micro-channel heat exchanger
Size it is certain, flat heat exchange pipe can not carry out the change of length according to practical situation, limit the suitable of micro-channel heat exchanger
Use range.
Invention content
Present invention aims at a kind of microchannel in Cold Chain Logistics field is provided for deficiency of the prior art
The technical solution of heat exchanger and its installation method, overall construction design is ingenious rationally, and micro-channel heat exchanger can be according to actual
Heat exchange rate carries out the adjustment of flat heat exchange pipe length, while can carry out the increase and decrease of flat heat exchange pipe or more number again, to improve
The heat exchange rate of micro-channel heat exchanger, improves comprehensive utilization ratio.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：
A kind of micro-channel heat exchanger in Cold Chain Logistics field, including flat heat exchange pipe and fixed frame, it is characterised in that：It exchanges heat flat
It is evenly arranged with discharge orifice on pipe, is connected by clamping block between the two neighboring flat heat exchange pipe in left and right, the both ends of link block are all provided with
It is equipped with card slot, flat heat exchange pipe matches with card slot, and the end far from link block is connected with point in the flat heat exchange pipe of left end
Branch pipe is flowed, the side far from link block is provided with hollow frame, the upper and lower ends face of hollow frame in the flat heat exchange pipe of left end
On be both provided with embedded slot, shunt pipe is superimposed forms isocon up and down, and sealing-plug is both provided at the top and bottom of isocon,
It is provided with inlet tube on the sealing cover at the top of isocon, is located at the end far from link block in the flat heat exchange pipe of right end and connects
It is connected to afflux branch pipe, the side far from link block is provided with hollow frame in the flat heat exchange pipe of right end, above and below afflux branch pipe
Superposition forms header, is both provided with sealing-plug at the top and bottom of header, is arranged on the sealing-plug of afflux bottom of the tube
Have a protrusion, outlet tube be provided in protrusion, be both provided with slot on afflux branch pipe and the corresponding end face of shunt pipe, slot with
Flat heat exchange pipe matches, and the inside of shunt pipe, the inside of afflux branch pipe connect with discharge orifice, and neighbouring two heat exchange are flat
It is connected by regulating part between pipe, regulating part includes upper adjusting rod, limitting casing and lower dolly bar, and upper adjusting rod and lower adjusting are equal
Matching with embedded slot, the lower end of upper adjusting rod snaps onto in limitting casing, and the upper end of lower dolly bar snaps onto in limitting casing, and on
Adjusting rod and lower dolly bar are fixed by Limit screw and limitting casing limit, are uniformly set between neighbouring two flat heat exchange pipes
It is equipped with fin component, fin component includes upper wave-shaped fins and lower wave-shaped fins, is set between upper wave-shaped fins and lower wave-shaped fins
It is equipped with elastic parts, elastic parts includes upper mounted plate, spring stack and bottom plate, and upper mounted plate is fixed with upper wave-shaped fins to be connected
It connects, between upper mounted plate and bottom plate, bottom plate is fixedly connected spring stack with lower wave-shaped fins, and fixed frame is located at a left side
The junction of right two neighboring flat heat exchange pipe.
Further, it is provided with connecting hole in flat heat exchange pipe, connecting rod is provided in connecting hole, jack is provided on card slot,
Connecting rod matches with connecting hole, jack, and connecting rod passes through connecting hole, card slot to extend in jack, and the design of connecting hole can be with
Convenient for the installation between connecting rod and flat heat exchange pipe, flat heat exchange pipe and link block can further be connected by connecting rod, more just
Positioning clamping between flat heat exchange pipe and link block.
Further, connecting rod is fixedly connected by stud with link block, and the both ends of connecting rod are both provided with first and wear
Hole, link block are provided with the second perforation, and the second perforation is longitudinal to run through link block and jack, the second perforation, the first perforation with it is double
Hook bolt matches, and the both ends of stud are both provided with stop nut, and the design of stud can further fix connection
Bar and link block so that connecting and fixing more securely between flat heat exchange pipe and link block avoids connecting rod in connecting hole
Loosening, the design of stop nut may insure the performance that is completely embedded between stud and link block, while again can be so as to
In subsequent dismounting.
Further, it is both provided with snap ring above the top of shunt pipe and afflux branch pipe, the half of the outer circumference surface of snap ring
Diameter is equal with the radius of the radius of the inner peripheral surface of shunt pipe, the outer circumference surface of afflux branch pipe, the card being located on shunt pipe
Ring is an integral molding structure with shunt pipe, and the snap ring on afflux branch pipe is an integral molding structure with afflux branch pipe, snap ring
Design can be in order to the clamping up and down of shunt pipe and afflux branch pipe, smart structural design is reasonable, snap ring outer circumference surface radius
Design may insure the close performance being superimposed between the close performance sum aggregate stream branch pipe being superimposed between shunt pipe.
Further, be both provided with support base below the lower section of separating tube and collector tube, support base include support baseboard and
Riser is supported, is symmetricly set on support baseboard before and after support riser, the design of support base makes the installation of micro-channel heat exchanger
It places more stable.
Further, fixed frame includes upper frame, embedding bar and lower frame, upper frame and lower frame setting symmetrical above and below, embedding bar
Between upper frame and lower frame, embedding hole is both provided on the opposite face of upper frame and lower frame, embedding hole matches with embedding bar,
By upper frame and lower frame to most upper row and the link block that most descends at the flat heat exchange pipe of row carries out further clamping fixed, make
The connection obtained between most upper row and the flat heat exchange pipe for most descending row is more secured, and the structure for further increasing micro-channel heat exchanger is steady
Qualitative energy, the design of embedding bar can improve the structural strength of fixed frame, together in order to connecting and fixing between upper frame and lower frame
When embedding bar design fixed frame can be allow to carry out the adjustment of length according to the installation discharge of practical flat heat exchange pipe again,
Ensure fixed frame firmly installs performance.
Further, upper frame and lower frame include 2 U-shaped card plates, and 2 U-shaped card plates are symmetrical set, 2 U-shaped cards
U-shaped card slot, the equal length of maximum distance and link block between 2 U-shaped card slots, U-shaped card slot are provided on the madial wall of plate
Design can in order to the clamping between upper frame, lower frame and flat heat exchange pipe, while again can will left and right two flat heat exchange pipes
The link block of junction covers, and smart structural design is reasonable, be more convenient for actual clamping and dismounting.
Further, the front and rear sides of 2 U-shaped card plates are both provided with extension block, by consolidating bar phase between 2 U-shaped card plates
Connection, consolidates between bar and 2 U-shaped card plates and is an integral molding structure, the design of extension block can be in order to micro-channel heat exchanger
Installation is fixed, and consolidates the design of bar so that upper frame, the structure of lower frame are more secured.
Using a kind of installation method of the micro-channel heat exchanger in such as above-mentioned Cold Chain Logistics field, it is characterised in that:Including
Following steps：
1) assembly of lateral flat heat exchange pipe：
(1) installation site of the heat exchange rate first needed for van cooler, heat transfer effect and micro-channel heat exchanger determines
The number of rows of the splicing number of lateral flat heat exchange pipe and longitudinal flat heat exchange pipe in micro-channel heat exchanger, while determining single flat heat exchange pipe
Assembled total number；
(2) it is inserted into connecting rod in the connecting hole of flat heat exchange pipe first, until completing connecting rod in total number flat heat exchange pipe
Installation, next takes a flat heat exchange pipe, in the card slot that one end of the flat heat exchange pipe is snapped onto to link block one end, ensures simultaneously
Connecting rod in flat heat exchange pipe snaps onto in the jack on card slot, and the end of connecting rod touches the inner face of jack, then
Another flat heat exchange pipe is taken, in the card slot that one end of the flat heat exchange pipe is snapped onto to the link block other end, while it is flat to ensure to exchange heat
Connecting rod on pipe snaps onto in the jack of card slot, and the end of connecting rod touches the inner face of jack, then installs double end
Stud is directed at the second perforation on link block, passes through the second perforation by bolt, until run through entire link block, then double
Stop nut is installed at the both ends of hook bolt, and two are further connected and fixed between flat heat exchange pipe and link block, connect by stud
The splicing carried out again between next flat heat exchange pipe and the assembling combination, joining method is carried out according to above-mentioned assembled step, directly
To the assembly for completing an entire row transverse direction flat heat exchange pipe；
After (3) one row's transverse direction flat heat exchange pipe assembly are good, carry out second row transverse direction flat heat exchange pipe assembly, assembling method according to
The assembled process of above-mentioned steps (2) after the completion of second row transverse direction flat heat exchange pipe assembly, then carries out the lateral flat heat exchange pipe of third row
Assembly, until completing the assembly of the lateral flat heat exchange pipe of total number of rows；
2) assembly of longitudinal flat heat exchange pipe：
(1) assembled good lateral flat heat exchange pipe in row's step 1) is taken, is welded in the two side ends of row's transverse direction flat heat exchange pipe
Hollow frame, while the both ends of lateral flat heat exchange pipe reserve the installation site of shunt pipe and afflux branch pipe, are then changed laterally
The left end of hot flat tube installs shunt pipe, and the left end of lateral flat heat exchange pipe is snapped onto in the slot of shunt pipe, until shunting
Branch pipe is contradicted to the end face of left side hollow frame, then installs afflux branch pipe in the right end of lateral flat heat exchange pipe, and laterally heat exchange is flat
The right end of pipe snaps onto in the slot of afflux branch pipe, until afflux branch pipe is contradicted to the end face of right side hollow frame, the horizontal shore protection of a row
After flat heat exchange pipe installs, the installation of second row transverse direction flat heat exchange pipe is carried out, until complete the lateral flat heat exchange pipe of total number of rows
Installation；
(2) the lateral flat heat exchange pipe in two rows of above-mentioned steps (2) is taken, two rows of lateral flat heat exchange pipes are setting up and down, it is ensured that
The snap ring on shunt pipe in lower row's transverse direction flat heat exchange pipe snaps onto in the shunt pipe in row's transverse direction flat heat exchange pipe, simultaneously
Ensure that the snap ring on the afflux branch pipe in lower row's transverse direction flat heat exchange pipe snaps onto in the afflux branch pipe in lower row's transverse direction flat heat exchange pipe,
Again in the both ends installation and adjustment part of two rows of lateral flat heat exchange pipes, unscrew Limit screw, adjusting rod in pullings so that go up adjusting rod
End snaps onto in the embedded slot of top hollow frame, then pulls lower dolly bar so that lower dolly bar snaps onto lower section hollow frame
In embedded slot, then Limit screw is tightened, fin component then is installed between two rows transverse direction flat heat exchange pipe, passes through fixed spiral shell
Nail fixes fin component and flat heat exchange pipe installation, then row's transverse direction flat heat exchange pipe is taken to be overlapped, and specific stacking method is as above
Step is stated, until completing the assembly between entire number of rows transverse direction flat heat exchange pipe；
(3) after longitudinal flat heat exchange pipe assembly is good, the top and bottom peace of the isocon of formation is superimposed above and below shunt pipe
Sealing-plug is filled, and inlet tube is installed on the sealing-plug at the top of isocon, the collection of formation is then superimposed above and below afflux branch pipe
Sealing-plug is installed in the top and bottom of flow tube, then protrusion is installed on the sealing-plug of afflux bottom of the tube, while lobed interior is hollow,
Protrusion with communicated inside sealing-plug, then outlet tube is installed on raised surface again, finally in the bottom of isocon and collector tube peace
Fill support base；
3) installation of fixed frame：
At every place or so, fixed frame is arranged in the junction of two adjacent flat heat exchange pipes, and fixed frame is snapped onto link block
Link block surface is covered, while reserving biperforate position again by surface, first snaps onto upper holder from top to bottom
The upper part of entire flat heat exchange pipe combination, is then inserted into embedding bar, then by lower fixed frame in the embedding hole of the bottom of upper holder
The lower part for snapping onto the combination of entire flat heat exchange pipe from the bottom up, adjusts the position of lower fixed frame so that lower fixed frame with it is upper solid
Determine that frame is symmetrical above and below, embedding bar is right against the embedding hole on lower fixed frame, and the bottom of embedding bar snaps onto in the embedding hole of lower fixed frame.
The present invention is by adopting the above-described technical solution, have the advantages that：
The overall construction design of the present invention is ingenious rationally, and micro-channel heat exchanger can be according to actual installation site, heat exchange
Rate and heat transfer effect carry out the adjustment of own dimensions, and the number by the splicing for changing lateral flat heat exchange pipe can be adjustment stream
Flow path of the body in micro-channel heat exchanger, it is ensured that fluid is in the residence time of micro-channel heat exchanger, to effectively improve
The work quality of micro-channel heat exchanger, and by being connected and fixed between link block between the two neighboring flat heat exchange pipe in left and right, then
By the way that connecting rod to be snapped onto to the design of the jack in link block, the card access surface between flat heat exchange pipe and link block is further increased
Product so that the installation between link block and flat heat exchange pipe is more secured, while passing through stud fixed connecting rod and company again
Block is connect, not only can be to avoid the shaking of connecting rod, but also can improve and be completely embedded performance between flat heat exchange pipe and link block so that
The assembly of lateral flat heat exchange pipe is more solid and reliable, also allows for subsequent dismounting, by the assembly for changing longitudinal flat heat exchange pipe
Number of rows can adjust the displacement volume of micro-channel heat exchanger, it is ensured that fluid is by the rate of micro-channel heat exchanger, to effectively carry
The work quality of high micro-channel heat exchanger, and being attached by adjusting rod between neighbouring flat heat exchange pipe, both can be so as to
It in dismounting, and can carry out highly adjusting between neighbouring flat heat exchange pipe, design is more reasonable, while flat in neighbouring heat exchange
Fin component is set between pipe, to effectively accelerate the heat exchange rate of micro-channel heat exchanger, the heat exchange of upper wave-shaped fins and top
Flat tube installation is fixed, and the flat heat exchange pipe installation of lower wave-shaped fins and lower section is fixed, then can be with by the design of inner elastomeric component
The adjustment that entire fin component length is carried out according to the distance between upper and lower flat heat exchange pipe, to fin component and the heat exchange of being more convenient for
Installing and dismounting between flat tube, while during longitudinal flat heat exchange pipe assembly, above and below the shunt pipes of left and right ends, afflux branch pipe
Superposition formed, be respectively formed isocon and header, fluid is entered from the inlet tube above isocon in isocon, then from point
Flow tube is flowed into the discharge orifice of flat heat exchange pipe, then from flat heat exchange pipe；The discharge orifice of the other end exits into header, finally
It is discharged from the drain pipe of afflux bottom of the tube, overall construction design compact and reasonable, using operation enhanced convenience, and finally fixes
Frame carries out further consolidation processing to the structure of micro-channel heat exchanger, then at the link block of two neighboring flat heat exchange pipe junction
Fixed frame is set, the junction of the two is further connected and fixed by fixed frame, effectively improves micro-channel heat exchanger
Overall construction intensity, while can be fixed again in order to the installation of micro-channel heat exchanger by fixed frame, and the invention will be micro-
The internal structure design of channel heat exchanger at multiple cell cubes structure, then it is assembled by being carried out between cell cube, not only can be with
It convenient for the replacement and dismounting in later stage, is readily transported, and various sizes of assembly can be carried out according to the actual needs again, expand
The use scope of micro-channel heat exchanger, while the waste of resource can be reduced again, inside micro-channel heat exchanger when something goes wrong,
It only needs to replace problematic component.
The overall construction design of the present invention is ingenious rationally, and micro-channel heat exchanger can be changed according to actual heat exchange rate
The adjustment of hot flat tube length, while the increase and decrease of flat heat exchange pipe or more number can be carried out again, to improve micro-channel heat exchanger
Heat exchange rate improves comprehensive utilization ratio.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is a kind of micro-channel heat exchanger in Cold Chain Logistics field of the present invention and its structural schematic diagram of installation method；
Fig. 2 is the mounting structure schematic diagram of connecting rod and flat heat exchange pipe in the present invention；
Fig. 3 is the mounting structure schematic diagram of regulating part and hollow frame in the present invention；
Fig. 4 is the structural schematic diagram of fin component in invention；
Fig. 5 is the structural schematic diagram of link block in the present invention；
Fig. 6 is the structural schematic diagram of upper frame in the present invention；
Fig. 7 is the structural schematic diagram of shunt pipe in the present invention；
Fig. 8 is the splicing structure schematic diagram of the two neighboring flat heat exchange pipe in left and right in the present invention；
Fig. 9 is the partial enlargement structural representation at I in Fig. 8.
In figure：1- flat heat exchange pipes；2- fixed frames；3- discharge orifices；4- link blocks；5- card slots；6- shunt pipes；7- hollow frames；
8- embedded slots；9- isocons；10- sealing-plugs；11- inlet tubes；12- headers；13- protrusions；14- outlet tubes；15- slots；16-
Regulating part；The upper adjusting rods of 17-；18- limitting casings；19- lower dolly bars；20- stop screws；21- fin components；The upper waveform wings of 22-
Piece；Wave-shaped fins under 23-；24- elastic parts；25- upper mounted plates；26- spring stacks；27- bottom plates；28- connecting holes；29-
Connecting rod；30- jacks；31- studs；32- first perforates；33- second perforates；34- stop nuts；35- snap rings；36- branch
Support seat；37- support baseboards；38- supports riser；39- upper frames；The embedding bars of 40-；41- lower frames；The embedding holes 42-；43-U type snap-gauges；
44-U type card slots；45- extension blocks；46- consolidates bar.
Specific implementation mode
As shown in Figures 1 to 9, it is a kind of micro-channel heat exchanger in Cold Chain Logistics field of the present invention, including 1 He of flat heat exchange pipe
Fixed frame 2, it is characterised in that：It is evenly arranged with discharge orifice 3 in flat heat exchange pipe 1, passes through card between the two neighboring flat heat exchange pipe in left and right 1
It connects block to be connected, the both ends of link block 4 are both provided with card slot 5, and flat heat exchange pipe 1 matches with card slot 5, in flat heat exchange pipe 1 is arranged
There is connecting hole 28, connecting rod 29 is provided in connecting hole 28, jack 30 is provided on card slot 5, connecting rod 29 and connecting hole 28 are inserted
Hole 30 matches, and connecting rod 29 passes through connecting hole 28, card slot 5 to extend in jack 30, and the design of connecting hole 28 can be in order to even
Installation between extension bar 29 and flat heat exchange pipe 1 can further connect flat heat exchange pipe 1 and link block 4, more just by connecting rod 29
Positioning clamping between flat heat exchange pipe 1 and link block 4, connecting rod 29 are fixedly connected by stud 31 with link block 4, even
The both ends of extension bar 29 are both provided with the first perforation 32, and link block 4 is provided with the second perforation 33, and the second perforation 33 is longitudinal through connection
Block 4 and jack 30, second the 33, first perforation 32 of perforation match with stud 31, and the both ends of stud 31 are respectively provided with
Have stop nut 34, the design of stud 31 that can further fix connecting rod 29 and link block 4 so that flat heat exchange pipe 1 with
Connecting and fixing more securely between link block 4, avoids loosening of the connecting rod 29 in connecting hole 28, stop nut 34 from setting
Meter may insure the performance that is completely embedded between stud 31 and link block 4, while again can be in order to subsequent dismounting.
End far from link block 4 in the flat heat exchange pipe 1 of left end is connected with shunt pipe 6, is located at left end
Side far from link block 4 in flat heat exchange pipe 1 is provided with hollow frame 7, and embedded slot is both provided in the upper and lower ends face of hollow frame 7
8, the superposition of about 6 shunt pipe forms isocon 9, and the top and bottom of isocon 9 are both provided with sealing-plug 10, is located at isocon
It is provided with inlet tube 11 on the sealing cover at 9 tops, the end far from link block 4 in the flat heat exchange pipe 1 of right end is connected with
Afflux branch pipe, the side far from link block 4 in the flat heat exchange pipe 1 of right end are provided with hollow frame 7, and afflux branch pipe is folded up and down
Add to form header 12, the top and bottom of header 12 are both provided with sealing-plug 10, are located at the sealing-plug of 12 bottom of header
It is provided with protrusion 13 on 10, is provided with outlet tube 14 in protrusion 13, afflux branch pipe and shunt pipe are all provided on 6 corresponding end face
Be equipped with slot 15, slot 15 matches with flat heat exchange pipe 1, the inside of shunt pipe 6, the inside of afflux branch pipe with 3 phase of discharge orifice
Perforation, is both provided with snap ring 35 above the top of shunt pipe 6 and afflux branch pipe, the radius of the outer circumference surface of snap ring 35 with point
It is equal to flow the radius of the inner peripheral surface of branch pipe 6, the radius of the outer circumference surface of afflux branch pipe, the snap ring 35 being located on shunt pipe 6
It is an integral molding structure with shunt pipe 6, the snap ring 35 on afflux branch pipe is an integral molding structure with afflux branch pipe, snap ring
35 design can be in order to the clamping up and down of shunt pipe 6 and afflux branch pipe, and smart structural design is reasonable, 35 outer circumference surface of snap ring
The design of radius may insure the close performance being superimposed between the close performance sum aggregate stream branch pipe being superimposed between shunt pipe 6, point
Support base 36 is both provided with below the lower section of liquid pipe and collector tube, support base 36 includes support baseboard 37 and support riser 38,
It is symmetricly set on support baseboard 37 before and after support riser 38, the design of support base 36 is so that the installation of micro-channel heat exchanger is placed
It is more stable.
It is connected by regulating part 16 between neighbouring two flat heat exchange pipes 1, regulating part 16 includes upper adjusting rod 17, limit
Position frame 18 and lower dolly bar 19, upper adjusting rod 17 and lower adjusting match with embedded slot 8, and the lower end of upper adjusting rod 17 snaps onto
In limitting casing 18, the upper end of lower dolly bar 19 snaps onto in limitting casing 18, and upper adjusting rod 17 and lower dolly bar 19 pass through limit
Position screw rod is fixed with the limit of limitting casing 18, and fin component 21, fins set are evenly arranged between neighbouring two flat heat exchange pipes 1
Part 21 includes upper wave-shaped fins 22 and lower wave-shaped fins 23, is arranged flexible group between upper wave-shaped fins 22 and lower wave-shaped fins 23
Part 24, elastic parts 24 include upper mounted plate 25, spring stack 26 and bottom plate 27, and upper mounted plate 25 is solid with upper wave-shaped fins 22
Fixed connection, between upper mounted plate 25 and bottom plate 27, bottom plate 27 is fixed with lower wave-shaped fins 23 to be connected spring stack 26
It connects.
Fixed frame 2 is located at the junction of the two neighboring flat heat exchange pipe in left and right 1, and fixed frame 2 includes upper frame 39,40 and of embedding bar
Lower frame 41,41 setting symmetrical above and below of upper frame 39 and lower frame, embedding bar 40 is between upper frame 39 and lower frame 41, restocking
Embedding hole 42 is both provided on the opposite face of body 39 and lower frame 41, embedding hole 42 matches with embedding bar 40, by upper frame 39 under
Frame body 41 is to most upper row and the link block 4 at the flat heat exchange pipe 1 of row is most descended to carry out further clamping fixed so that most upper row and
It most descends the connection between the flat heat exchange pipe 1 of row more secured, further increases the structural stability can of micro-channel heat exchanger, it is embedding
The design of bar 40 can improve the structural strength of fixed frame 2, simultaneously in order to connecting and fixing between upper frame 39 and lower frame 41
The design of embedding bar 40 can allow fixed frame 2 according to the tune of the installation discharge progress length of practical flat heat exchange pipe 1 again
It is whole, it is ensured that fixed frame 2 firmly installs performance, and upper frame 39 and lower frame 41 include 2 U-shaped card plates, 43,2 U-shaped card plates
43 are symmetrical set, the most long distance being provided on the madial wall of 2 U-shaped card plates 43 between 44,2 U-shaped card slots 44 of U-shaped card slot
From the equal length with link block 4, the design of U-shaped card slot 44 can be in order between upper frame 39, lower frame 41 and flat heat exchange pipe 1
Clamping, while again can by left and right two 1 junctions of flat heat exchange pipe link block 4 cover, smart structural design is reasonable, more just
In actual clamping and dismounting, the front and rear sides of 2 U-shaped card plates 43 lead between being both provided with 45,2 U-shaped card plates 43 of extension block
It crosses and consolidates bar 46 and be connected, consolidate between bar 46 and 2 U-shaped card plates 43 and be an integral molding structure, the design of extension block 45 can be with
It is fixed convenient for the installation of micro-channel heat exchanger, consolidates the design of bar 46 so that upper frame 39, the structure of lower frame 41 are more firm
Gu.
Using a kind of installation method of the micro-channel heat exchanger in such as above-mentioned Cold Chain Logistics field, include the following steps：
1) assembly of lateral flat heat exchange pipe 1：
(1) installation site of the heat exchange rate first needed for van cooler, heat transfer effect and micro-channel heat exchanger determines
The number of rows of the splicing number of lateral flat heat exchange pipe 1 and longitudinal flat heat exchange pipe 1 in micro-channel heat exchanger, at the same determination individually exchange heat it is flat
The assembled total number of pipe 1；
(2) connecting rod 29 is inserted into the connecting hole 28 of flat heat exchange pipe 1 first, until completing in total number flat heat exchange pipe 1
The installation of connecting rod 29, next takes a flat heat exchange pipe 1, one end of the flat heat exchange pipe 1 is snapped onto to the card slot of 4 one end of link block
In 5, while ensuring that the connecting rod 29 in flat heat exchange pipe 1 snaps onto in the jack 30 on card slot 5, and the end touching of connecting rod 29
To the inner face of jack 30, another flat heat exchange pipe 1 is then taken, one end of the flat heat exchange pipe 1 is snapped onto into 4 other end of link block
Card slot 5 in, while ensuring that the connecting rod 29 in flat heat exchange pipe 1 snaps onto in the jack 30 of card slot 5, and the end of connecting rod 29
The inner face of jack 30 is touched, then mounting stud 31, the second perforation stud 31 being aligned on link block 4
33, the second perforation 33 is passed through, until running through entire link block 4, then stop nut 34, double end are installed at the both ends of stud 31
Bolt 31 will be further connected and fixed between two flat heat exchange pipes 1 and link block 4, then carry out again next flat heat exchange pipe 1 with
Splicing between the assembling combination, joining method is carried out according to above-mentioned assembled step, until completing an entire row transverse direction flat heat exchange pipe 1
Assembly；
After 1 assembly of (3) one row's transverse direction flat heat exchange pipe is good, the assembly of second row transverse direction flat heat exchange pipe 1 is carried out, assembling method is pressed
According to the assembled process of above-mentioned steps (2), after the completion of 1 assembly of second row transverse direction flat heat exchange pipe, then carry out third row laterally heat exchange it is flat
The assembly of pipe 1, until completing the assembly of the lateral flat heat exchange pipe 1 of total number of rows；
2) assembly of longitudinal flat heat exchange pipe 1：
(1) assembled good lateral flat heat exchange pipe 1 in row's step 1) is taken, is welded in the two side ends of row's transverse direction flat heat exchange pipe 1
Type frame 7 is taken back, while the both ends of lateral flat heat exchange pipe 1 reserve the installation site of shunt pipe 6 and afflux branch pipe, then in cross
Shunt pipe 6 is installed to the left end of flat heat exchange pipe 1, the left end of lateral flat heat exchange pipe 1 is snapped onto to the slot 15 of shunt pipe 6
It is interior, until shunt pipe 6 contradicts the end face to left side hollow frame 7, afflux branch then is installed in the right end of lateral flat heat exchange pipe 1
Pipe, the right end of lateral flat heat exchange pipe 1 is snapped onto in the slot 15 of afflux branch pipe, until afflux branch pipe is contradicted to right side hollow frame
7 end face after the horizontal shore protection flat heat exchange pipe of one row 1 installs, carries out the installation of second row transverse direction flat heat exchange pipe 1, until completing total
The installation of the lateral flat heat exchange pipe 1 of number of rows；
(2) the lateral flat heat exchange pipe 1 in two rows of above-mentioned steps (2) is taken, two rows of lateral flat heat exchange pipes 1 are setting up and down, really
Protect the shunt pipe in 35 row's of snapping onto transverse direction flat heat exchange pipe 1 of snap ring on the shunt pipe 6 in lower row's transverse direction flat heat exchange pipe 1
In 6, while ensuring that the snap ring 35 on the afflux branch pipe in lower row's transverse direction flat heat exchange pipe 1 snaps onto in lower row's transverse direction flat heat exchange pipe 1
Afflux branch pipe in, then in the both ends installation and adjustment part 16 of two rows of lateral flat heat exchange pipes 1, unscrew Limit screw, adjusted in pulling
Bar 17 so that the end of upper adjusting rod 17 snaps onto in the embedded slot 8 of top hollow frame 7, then pulls lower dolly bar 19 so that under
Adjusting rod 19 snaps onto in the embedded slot 8 of lower section hollow frame 7, then tightens Limit screw, and then in two rows, laterally heat exchange is flat
Fin component 21 is installed between pipe 1, is fixed fin component 21 and the installation of flat heat exchange pipe 1 by fixing screws, then take a row horizontal
It is overlapped to flat heat exchange pipe 1, specific stacking method such as above-mentioned steps, until between completing entire number of rows transverse direction flat heat exchange pipe 1
Assembly；
(3) after longitudinal flat heat exchange pipe 1 is assembled well, the top and bottom of the isocon 9 of formation are superimposed in about 6 shunt pipe
Sealing-plug 10 is installed, and inlet tube 11 is installed on the sealing-plug 10 at 9 top of isocon, is then superimposed above and below afflux branch pipe
Sealing-plug 10 is installed in the top and bottom of the header 12 of formation, then protrusion is installed on the sealing-plug 10 of 12 bottom of header
13, while raised 13 inner hollows, protrusion 13 with communicated inside sealing-plug 10, the then surface installation outlet tube of protrusion 13 again
14, support base 36 finally is installed in the bottom of isocon 9 and collector tube；
3) installation of fixed frame 2：
At every place or so, fixed frame 2 is arranged in the junction of two adjacent flat heat exchange pipes 1, and fixed frame 2 is snapped onto connection
4 surface of link block is covered, while reserving the position of the second perforation 33 again by the surface of block 4, first by upper holder 2 from upper
The upper part of the combination of entire flat heat exchange pipe 1 is snapped onto down, and embedding bar is then inserted into the embedding hole 42 of the bottom of upper holder 2
40, lower fixed frame 2 is then snapped onto into the lower part that entire flat heat exchange pipe 1 combines from the bottom up, adjusts the position of lower fixed frame 2
It sets so that lower fixed frame 2 and upper holder 2 are symmetrical above and below, and embedding bar 40 is right against the embedding hole 42 on lower fixed frame 2, embedding bar 40
Bottom snaps onto in the embedding hole 42 of lower fixed frame 2.
The overall construction design of the present invention is ingenious rationally, and micro-channel heat exchanger can be according to actual installation site, heat exchange
Rate and heat transfer effect carry out the adjustment of own dimensions, and the number by the splicing for changing lateral flat heat exchange pipe 1 can be adjustment
Flow path of the fluid in micro-channel heat exchanger, it is ensured that fluid is in the residence time of micro-channel heat exchanger, to effectively carry
The work quality of high micro-channel heat exchanger, and it is solid by being clamped between link block 4 between the two neighboring flat heat exchange pipe 1 in left and right
It is fixed, then the design by the way that connecting rod 29 to be snapped onto to the jack 30 in link block 4, further increase flat heat exchange pipe 1 and link block 4
Between clamping area so that the installation between link block 4 and flat heat exchange pipe 1 is more secured, while passing through stud again
31 fixed connecting rods 29 and link block 4, not only can be to avoid the shaking of connecting rod 29, but also can improve flat heat exchange pipe 1 and link block 4
Between be completely embedded performance so that lateral flat heat exchange pipe 1 assembly it is more solid and reliable, also allow for subsequent dismounting, lead to
The displacement volume of micro-channel heat exchanger can be adjusted by crossing the assembled number of rows of change longitudinal direction flat heat exchange pipe 1, it is ensured that fluid passes through micro- logical
The rate of road heat exchanger to effectively improve the work quality of micro-channel heat exchanger, and is led between neighbouring flat heat exchange pipe 1
Toning pole is attached, not only can be easy to disassemble, but also can carry out highly adjusting between neighbouring flat heat exchange pipe 1, design
More rationally, while between neighbouring flat heat exchange pipe 1 fin component 21 is set, to effectively accelerate changing for micro-channel heat exchanger
Hot rate, upper wave-shaped fins 22 and the installation of flat heat exchange pipe 1 of top are fixed, and lower wave-shaped fins 23 and the flat heat exchange pipe 1 of lower section are pacified
Dress is fixed, then can carry out entire fin according to the distance between upper and lower flat heat exchange pipe 1 by the design of inner elastomeric component 24
The adjustment of 21 length of component, to the installing and dismounting between fin component 21 and flat heat exchange pipe 1 of being more convenient for, while longitudinal heat exchange is flat
During 1 assembly of pipe, shunt pipe 6, the afflux branch pipe of left and right ends are superimposed to be formed up and down, are respectively formed isocon 9 and afflux
Pipe 12, fluid is entered from the inlet tube 11 above isocon 9 in isocon 9, then is flowed into flat heat exchange pipe 1 from isocon 9
In discharge orifice 3, then from flat heat exchange pipe 1；The discharge orifice 3 of the other end exits into header 12, finally from 12 bottom of header
Drain pipe discharge, overall construction design compact and reasonable, using operation enhanced convenience, and last fixed frame 2 is to microchannel
The structure of heat exchanger carries out further consolidation processing, then is arranged at the link block 4 of 1 junction of two neighboring flat heat exchange pipe and fixes
Frame 2 further connects and fixes the junction of the two by fixed frame 2, effectively improves the entirety of micro-channel heat exchanger
Structural strength, while can be fixed again in order to the installation of micro-channel heat exchanger by fixed frame 2, and microchannel is changed in the invention
The internal structure design of hot device at multiple cell cubes structure, then it is assembled by being carried out between cell cube, not only can be in order to rear
The replacement and dismounting of phase, is readily transported, and can carry out various sizes of assembly according to the actual needs again, expands microchannel
The use scope of heat exchanger, while the waste of resource can be reduced again, inside micro-channel heat exchanger when something goes wrong, it is only necessary to
Problematic component is replaced.
The overall construction design of the present invention is ingenious rationally, and micro-channel heat exchanger can be changed according to actual heat exchange rate
The adjustment of 1 length of hot flat tube, while the increase and decrease of about 1 number of flat heat exchange pipe can be carried out again, to improve micro-channel heat exchanger
Heat exchange rate, improve comprehensive utilization ratio.
It these are only specific embodiments of the present invention, but the technical characteristic of the present invention is not limited thereto.It is any with this hair
Based on bright, for the technique effect for realizing essentially identical, made ground simple change, equivalent replacement or modification etc. are all covered
Among protection scope of the present invention.
Claims (9)
1. a kind of micro-channel heat exchanger in Cold Chain Logistics field, including flat heat exchange pipe and fixed frame, it is characterised in that：The heat exchange
It is evenly arranged with discharge orifice on flat tube, is connected by clamping block between the two neighboring flat heat exchange pipe in left and right, the link block
Both ends be both provided with card slot, the flat heat exchange pipe matches with the card slot, is located at remote in the flat heat exchange pipe of left end
End from the link block is connected with shunt pipe, is located at one far from the link block in the flat heat exchange pipe of left end
Side is provided with hollow frame, and embedded slot is both provided in the upper and lower ends face of the hollow frame, and the shunt pipe is superimposed shape up and down
At isocon, it is both provided with sealing-plug at the top and bottom of the isocon, is set on the sealing cover at the top of the isocon
It is equipped with inlet tube, the end far from the link block is connected with afflux branch pipe in the flat heat exchange pipe of right end, is located at
The side far from the link block is provided with the hollow frame in the flat heat exchange pipe of right end, and the afflux branch pipe is folded up and down
Add to form header, the sealing-plug is both provided at the top and bottom of the header, is located at the close of the afflux bottom of the tube
It is provided with protrusion on blocking, outlet tube, the afflux branch pipe and the corresponding end of the shunt pipe are provided in the protrusion
Slot is both provided on face, the slot matches with the flat heat exchange pipe, the inside of the shunt pipe, the afflux branch pipe
Inside connect with the discharge orifice, be connected by regulating part between neighbouring two flat heat exchange pipes, the tune
Section part includes upper adjusting rod, limitting casing and lower dolly bar, the upper adjusting rod and the lower adjusting with the embedded slot phase
To match, the lower end of the upper adjusting rod snaps onto in the limitting casing, and the upper end of the lower dolly bar snaps onto in the limitting casing,
And the upper adjusting rod and the lower dolly bar are fixed by Limit screw and limitting casing limit, neighbouring two institutes
It states and is evenly arranged with fin component between flat heat exchange pipe, the fin component includes upper wave-shaped fins and lower wave-shaped fins, described
Elastic parts is provided between upper wave-shaped fins and the lower wave-shaped fins, the elastic parts includes upper mounted plate, spring stack
And bottom plate, fixed plate are fixedly connected with the upper wave-shaped fins, the spring stack be located at fixed plate and
Between the bottom plate, the bottom plate is fixedly connected with the lower wave-shaped fins, and it is adjacent that the fixed frame is located at left and right
The junction of two flat heat exchange pipes.
2. a kind of micro-channel heat exchanger in Cold Chain Logistics field according to claim 1, it is characterised in that：The heat exchange is flat
It is provided with connecting hole on pipe, connecting rod is provided in the connecting hole, jack, the connecting rod and institute are provided on the card slot
State connecting hole, the jack matches, the connecting rod passes through the connecting hole, the card slot to extend in the jack.
3. a kind of micro-channel heat exchanger in Cold Chain Logistics field according to claim 2, it is characterised in that：The connecting rod
It is fixedly connected with the link block by stud, the both ends of the connecting rod are both provided with the first perforation, the link block
It is provided with the second perforation, second perforation is longitudinal to run through the link block and the jack, second perforation, described first
Perforation matches with the stud, and the both ends of the stud are both provided with stop nut.
4. a kind of micro-channel heat exchanger in Cold Chain Logistics field according to claim 1, it is characterised in that：The shunting branch
Snap ring, the radius of the outer circumference surface of the snap ring and shunting branch are both provided with above the top of pipe and the afflux branch pipe
The radius of the inner peripheral surface of pipe, the afflux branch pipe outer circumference surface radius it is equal, be located at the shunt pipe on snap ring
It is an integral molding structure with the shunt pipe, the snap ring on the afflux branch pipe is integrally formed with the afflux branch pipe
Structure.
5. a kind of micro-channel heat exchanger in Cold Chain Logistics field according to claim 1, it is characterised in that：The separating tube
Lower section and the collector tube below be both provided with support base, the support base includes support baseboard and support riser, described
It is symmetricly set on the support baseboard before and after support riser.
6. a kind of micro-channel heat exchanger in Cold Chain Logistics field according to claim 1, it is characterised in that：The fixed frame
Including upper frame, embedding bar and lower frame, the upper frame and lower frame setting symmetrical above and below, the embedding bar are located on described
Between frame body and the lower frame, be both provided with embedding hole on the opposite face of the upper frame and the lower frame, the embedding hole with
The embedding bar matches.
7. a kind of micro-channel heat exchanger in Cold Chain Logistics field according to claim 6, it is characterised in that：The upper frame
Include 2 U-shaped card plates with the lower frame, 2 U-shaped card plates are symmetrical set, the inside of 2 U-shaped card plates
U-shaped card slot, the equal length of maximum distance and the link block between 2 U-shaped card slots are provided on wall.
8. a kind of micro-channel heat exchanger in Cold Chain Logistics field according to claim 7, it is characterised in that：2 described U-shaped
The front and rear sides of snap-gauge are both provided with extension block, are connected by consolidating bar between 2 U-shaped card plates, described to consolidate bar and 2
It is an integral molding structure between a U-shaped card plate.
9. using a kind of installation method of the micro-channel heat exchanger in Cold Chain Logistics field as described in claim 1, feature exists
In:Include the following steps：
1) assembly of lateral flat heat exchange pipe：
(1) installation site of the heat exchange rate first needed for van cooler, heat transfer effect and micro-channel heat exchanger determines micro- logical
The number of rows of the splicing number of lateral flat heat exchange pipe and longitudinal flat heat exchange pipe in road heat exchanger, while determining the spelling of single flat heat exchange pipe
Fill total number；
(2) it is inserted into connecting rod in the connecting hole of flat heat exchange pipe first, until completing the peace of connecting rod in total number flat heat exchange pipe
Dress, next takes a flat heat exchange pipe, in the card slot that one end of the flat heat exchange pipe is snapped onto to link block one end, while ensuring to exchange heat
Connecting rod on flat tube snaps onto in the jack on card slot, and the end of connecting rod touches the inner face of jack, then takes another
One flat heat exchange pipe in the card slot that one end of the flat heat exchange pipe is snapped onto to the link block other end, while ensuring in flat heat exchange pipe
Connecting rod snap onto in the jack of card slot, and the end of connecting rod touches the inner face of jack, then mounting stud,
Stud is directed at the second perforation on link block, passes through the second perforation, until run through entire link block, then in stud
Both ends stop nut is installed, two be further connected and fixed by stud between flat heat exchange pipe and link block, then again into
Splicing between the next flat heat exchange pipe of row and the assembling combination, joining method is carried out according to above-mentioned assembled step, until completing
The assembly of one entire row transverse direction flat heat exchange pipe；
After (3) one row's transverse direction flat heat exchange pipe assembly are good, the assembly of second row transverse direction flat heat exchange pipe is carried out, assembling method is according to above-mentioned
The assembled process of step (2) after the completion of second row transverse direction flat heat exchange pipe assembly, then carries out the spelling of the lateral flat heat exchange pipe of third row
Dress, until completing the assembly of the lateral flat heat exchange pipe of total number of rows；
2) assembly of longitudinal flat heat exchange pipe：
(1) assembled good lateral flat heat exchange pipe in row's step 1) is taken, hollow is welded in the two side ends of row's transverse direction flat heat exchange pipe
Frame, while the both ends of lateral flat heat exchange pipe reserve the installation site of shunt pipe and afflux branch pipe, it is then flat in laterally heat exchange
The left end of pipe installs shunt pipe, and the left end of lateral flat heat exchange pipe is snapped onto in the slot of shunt pipe, until shunt pipe
It contradicts to the end face of left side hollow frame, afflux branch pipe then is installed in the right end of lateral flat heat exchange pipe, by lateral flat heat exchange pipe
Right end snaps onto in the slot of afflux branch pipe, until afflux branch pipe is contradicted to the end face of right side hollow frame, the horizontal shore protection heat exchange of a row
After flat tube installs, the installation of second row transverse direction flat heat exchange pipe is carried out, until completing the installation of the lateral flat heat exchange pipe of total number of rows；
(2) the lateral flat heat exchange pipe in two rows of above-mentioned steps (2) is taken, it is two rows of lateral flat heat exchange pipes are setting up and down, it is ensured that lower row
The snap ring on shunt pipe in lateral flat heat exchange pipe snaps onto in the shunt pipe in row's transverse direction flat heat exchange pipe, ensures simultaneously
The snap ring on afflux branch pipe in lower row's transverse direction flat heat exchange pipe snaps onto in the afflux branch pipe in lower row's transverse direction flat heat exchange pipe, then
The both ends installation and adjustment part of two rows of transverse direction flat heat exchange pipes, unscrews Limit screw, adjusting rod in pullings so that go up the end of adjusting rod
In the embedded slot for snapping onto top hollow frame, then pull lower dolly bar so that lower dolly bar snaps onto the clamped of lower section hollow frame
In slot, then Limit screw is tightened, fin component then is installed between two rows transverse direction flat heat exchange pipe, it will by fixing screws
Fin component is fixed with flat heat exchange pipe installation, then row's transverse direction flat heat exchange pipe is taken to be overlapped, for example above-mentioned step of specific stacking method
Suddenly, until completing the assembly between entire number of rows transverse direction flat heat exchange pipe；
(3) after longitudinal flat heat exchange pipe assembly is good, the top and bottom installation that the isocon of formation is superimposed above and below shunt pipe is close
Blocking, and inlet tube is installed on the sealing-plug at the top of isocon, the header of formation is then superimposed above and below afflux branch pipe
Top and bottom sealing-plug is installed, then protrusion is installed on the sealing-plug of afflux bottom of the tube, while lobed interior is hollow, protrusion
It is communicated with inside sealing-plug, then outlet tube is installed on the surface of protrusion again, finally installs branch in the bottom of isocon and collector tube
Support seat；
3) installation of fixed frame：
At every place or so, fixed frame is arranged in the junction of two adjacent flat heat exchange pipes, and fixed frame is snapped onto to the table of link block
Link block surface is covered, while reserving biperforate position again by face, is first snapped onto upper holder from top to bottom whole
The upper part of a flat heat exchange pipe combination, is then inserted into embedding bar in the embedding hole of the bottom of upper holder, then by lower fixed frame from
Under up snap onto the lower part of entire flat heat exchange pipe combination, adjust the position of lower fixed frame so that lower fixed frame and upper fixation
Frame is symmetrical above and below, and embedding bar is right against the embedding hole on lower fixed frame, and the bottom of embedding bar snaps onto in the embedding hole of lower fixed frame.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013701A (en) * | 2019-05-31 | 2020-12-01 | 杭州三花研究院有限公司 | Collecting piece, manufacturing method of collecting piece and heat exchanger |
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Denomination of invention: Microchannel heat exchanger and its installation method in cold chain logistics field Effective date of registration: 20221009 Granted publication date: 20190906 Pledgee: Shengzhou Sub-branch of Postal Savings Bank of China Co.,Ltd. Pledgor: ZHEJIANG FUYUAN (FUCOOL) REFRIGERATION EQUIPMENT CO.,LTD. Registration number: Y2022330002504 |