CN106247688B - Intermediate Heat Exchanger manufacturing process used for automobile air conditioning - Google Patents
Intermediate Heat Exchanger manufacturing process used for automobile air conditioning Download PDFInfo
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- CN106247688B CN106247688B CN201610622673.XA CN201610622673A CN106247688B CN 106247688 B CN106247688 B CN 106247688B CN 201610622673 A CN201610622673 A CN 201610622673A CN 106247688 B CN106247688 B CN 106247688B
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- supporting plate
- bar shaped
- cooling fin
- shaped cooling
- heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/05—Cost reduction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/09—Improving heat transfers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses Intermediate Heat Exchanger manufacturing process used for automobile air conditioning, include the following steps: the manufacture of 1) the first positioning supporting plate and the second positioning supporting plate, 2) manufacture of bar shaped cooling fin, 3) manufacture of header and connection component, 4) component assembly and 5) Intermediate Heat Exchanger trial operation.Not only step is simple for manufacturing process of the invention, facilitate manufacture, and shorten process time, reduce processing and maintenance cost, realize the mass production of Intermediate Heat Exchanger, the heat exchanger that different model size can be produced on same production line simultaneously, enhances its practical flexibility, improves the practicability of equipment.
Description
Technical field
The present invention relates to Intermediate Heat Exchanger manufacturing process used for automobile air conditioning.
Background technique
In recent years, auto industry is developed rapidly, however along with the exhaustion of fossil fuel, automobile gradually drives into
" oil-free " epoch, electric car also just come into being as environment-friendly and energy-efficient automobile.The high efficiency of electric automobile air conditioner is its tool
There is the basis of higher driving course, and the superiority and inferiority of heat exchanger of automobile air-conditioner performance is then the efficient key of air-conditioning system.
At this stage, the storage battery energy deposit on electric car is limited, short the attacking as Development of Electric Vehicles of continual mileage
Problem is closed, and the use of electric automobile air-conditioning system can consume most energy, refrigeration, heating and defrosting are required by moving
Power battery provides energy, and continual mileage is caused to shorten.
Summary of the invention
Present invention aims at Intermediate Heat Exchanger manufacture used for automobile air conditioning is provided for deficiency of the prior art
The technical solution of technique, not only step is simple for manufacturing process of the present invention, facilitates manufacture, and shorten process time, reduces
Processing and maintenance cost, realize the mass production of Intermediate Heat Exchanger, while it is big different model to be produced on same production line
Small heat exchanger, enhances its flexibility used, and the Intermediate Heat Exchanger of production not only increases effectively bar shaped cooling fin and sky
The contact area of gas, improve refrigeration with heating effect, reduce energy consumption, and make bar shaped cooling fin using more flexible side
Just, it is able to satisfy the use of different model vehicle air-conditioning.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
Intermediate Heat Exchanger manufacturing process used for automobile air conditioning, it is characterised in that include the following steps:
1) manufacture of the first positioning supporting plate and the second positioning supporting plate
A, the size of the first positioning supporting plate and the second positioning supporting plate, and root are determined according to the design requirement of drawing first
Corresponding iron plate is produced according to size, the thickness of iron plate is 3~5mm；
B, then the iron plate progress head and the tail that first positions four faces of structure installation in a ring on supporting plate are welded and fixed, it will
By marking on ink and wash on iron plate for installing bar shaped cooling fin side, and mounting hole is drilled through with drilling machine, made adjacent
Spacing between two mounting holes meets the requirement of setting, then the iron plate is soldered to the left side of ring structure；
C, through-hole is opened up on the iron plate of installation header side then according to the design position of header, and in ring junction
Hidden pipe is installed in structure, corresponding interface is connected to all, finally the iron plate for offering through-hole is soldered in ring structure, make its shape
Repair welding processing is carried out at a closed structure, while to weld, and processing is lubricated to interface；
D, five pieces of iron plates on supporting plate are positioned by second again to weld, forms it into a groove, then in residue one
Limit hole is drilled through by design requirement on block iron plate, so that the spacing between two adjacent limit holes is met design requirement, and to limit
The inside in position hole carries out grinding process, is then marked position corresponding with limit hole by writing brush in groove, and lead to
It crosses installation single-way guiding pipe to be attached two adjacent labels, while temperature sensor is set in the side of respective markers；
D, bend pipe finally is installed in mark, the straight line for connecting bend pipe with limit hole is vertical with the holding of the bottom surface of groove,
Then the iron plate for offering limit hole is soldered to one closed cabinet of formation on groove, and limit hole and bend pipe is consolidated
Fixed connection；
2) manufacture of bar shaped cooling fin
A, hollow outer first according to two above and below the big little makings of design size of bar shaped cooling fin symmetrical hollow outer rims
Radiating groove is uniformly provided on the side of frame, the width of radiating groove is 5~10mm；
B, then that liquid inlet conduit and eluate conduit is oppositely positioned on the same line, and in liquid inlet conduit and eluate conduit
The symmetrically placed expansion flow tube in two sides up and down, with the diversion pipe processed by liquid inlet conduit and eluate conduit and corresponding expansion flow tube into
Row is fixedly connected, and different length can be processed into according to the size of different automobile models by expanding flow tube, meets the peace of Intermediate Heat Exchanger
Reload request, then in the symmetrically placed sealed tube in the two sides of liquid inlet conduit and eluate conduit, sealed tube is connected by diversion pipe expands stream
Pipe, forms it into a flat structure, the number for expanding flow tube is increased or decreased according to the size of Intermediate Heat Exchanger；
C, finally two hollow outer rims are socketed in flat structure, two hollow outer rims is made to be fastened, and
And hollow rotating shaft is installed in the exposing port of liquid inlet conduit and eluate conduit；
3) manufacture of header and connection component
A, the material for selecting header according to design requirement first, is formed by high-frequency welding, then in two headers
Outer surface on equal brushing aluminium-silicon composite layers, and two headers are fixedly connected with engagement plate, upper and lower two engagement plates
Between spacing be 10~15cm；
B, connection component is then processed by template, connection component is fixedly connected on to the top of two headers, and
Inlet tube and outlet tube are installed on the top surface of header；
4) component assembly
A, the header for being equipped with connection component is fixedly connected on the first positioning supporting plate first, and by header and
Mounting hole connection on one positioning supporting plate, carries out encapsulation process；
B, the first positioning supporting plate is then positioned into supporting plate parallel clamping vertically with second, and with supporting plate by bar shaped cooling fin from
On it is evenly distributed down, keep the spacing between two neighboring bar shaped cooling fin equal with the spacing between two neighboring limit hole；
C, it then by the first positioning supporting plate and the second positioning supporting plate close to the two sides of bar shaped cooling fin, will first be dissipated positioned at bar shaped
On the left of backing hollow rotating shaft insertion second positioning supporting plate on limit hole in, then by be located at bar shaped cooling fin on the right side of hollow turn
In mounting hole on axis insertion the first positioning supporting plate, and lubricating oil is coated in the junction of hollow rotating shaft, observes bar shaped cooling fin
Rotational case；
5) Intermediate Heat Exchanger trial operation
The inlet tube of Intermediate Heat Exchanger and outlet tube are separately connected to external water-storing device, and apart from bar shaped cooling fin
Temperature sensor is placed in the position of 5~10cm, then conveys hot and cold water respectively, observes the numerical value change of temperature sensor.
Further, the tensile strength of the expansion flow tube in step 2) process b, sealed tube, liquid inlet conduit and eluate conduit is greater than
85MPa, yield strength are greater than 25MPa, and elongation percentage is greater than 15%.
Further, Intermediate Heat Exchanger includes the first positioning supporting plate, the second positioning supporting plate, bar shaped cooling fin and header, item
Shape cooling fin is evenly distributed on from top to bottom between the first positioning supporting plate and the second positioning supporting plate, and two headers are fixed in parallel to be connected
It connects and is connected between the other side of the first positioning supporting plate, two headers by engagement plate, the top of two headers is provided with
Connection component is provided with inlet tube and outlet tube on connection component；By the way that bar shaped cooling fin is rotatably connected on the first positioning branch
Between plate and the second positioning supporting plate, the contact area of bar shaped cooling fin and air is not only increased effectively, refrigeration and heating are improved
Effect, reduce energy consumption, and make bar shaped cooling fin using more flexible and convenient, be able to satisfy making for different model vehicle air-conditioning
With, when the heat transfer effect of Intermediate Heat Exchanger is bad, only need to change corresponding bar shaped cooling fin, do not need replacement it is entire in
Between heat exchanger, reduce maintenance cost, engagement plate effectively increase header connection stability, improve between two headers
Bonding strength, extends the service life of Intermediate Heat Exchanger, and connection component facilitates inlet tube and outlet tube to be stablized with header
Connection, guarantees the normal operation of Intermediate Heat Exchanger.
Further, bar shaped cooling fin be rotatably connected on the first positioning supporting plate and second positioning supporting plate on, bar shaped cooling fin with
The angle of horizontal direction is a, and the range of angle a is ± 90 ゜, in this angular range, bar shaped cooling fin can according to need into
Row angular adjustment meets heating or refrigeration of the different directions to air, increases the working range of Intermediate Heat Exchanger, improve reality
The property used.
Further, liquid inlet conduit and eluate conduit, liquid inlet conduit and out liquid are symmetrically arranged at the center of bar shaped cooling fin
Be socketed with hollow rotating shaft on conduit, the upper and lower ends of bar shaped cooling fin be provided with sealed tube, sealed tube and liquid inlet conduit and
Be evenly distributed with expansion flow tube between eluate conduit, liquid inlet conduit and expand between flow tube, expand flow tube and expand between flow tube, expand flow tube with
Between sealed tube, expand by diversion pipe connection between flow tube and eluate conduit, it can according to the air conditioning for automobiles of different model size
To increase or decrease expansion flow tube, do not reduce it by the effect of refrigeration or heating while meeting installation requirement, reduce manufacture at
This, stability of the bar shaped cooling fin in rotation can be improved in hollow rotating shaft, and liquid inlet conduit, sealed tube, expands flow tube at eluate conduit
The access that circulation can be formed with diversion pipe facilitates the flowing of liquid.
Further, it is provided with limit hole corresponding with bar shaped cooling fin on the medial surface of the second positioning supporting plate, it is adjacent
It is connected between two limit holes by single-way guiding pipe, is provided with solenoid valve on single-way guiding pipe, passes through on the side of limit hole
Conducting wire is connected with temperature sensor, uses needs according to actual, can control corresponding single-way guiding pipe by solenoid valve
Switch, and then control the work of corresponding bar shaped cooling fin, improves the flexibility of bar shaped fins act, and temperature sensor then can be with
Temperature on each bar shaped cooling fin of real-time delivery, is convenient for controlling.
The present invention is by adopting the above-described technical solution, have the advantages that
1, not only step is simple for manufacturing process of the invention, facilitates manufacture, and shorten process time, reduces processing
And maintenance cost, realize the mass production of Intermediate Heat Exchanger, while different model size can be produced on same production line
Heat exchanger enhances its flexibility used, improves the practicability of equipment；
2, by the way that bar shaped cooling fin to be rotatably connected between the first positioning supporting plate and the second positioning supporting plate, not only effectively increase
The big contact area of bar shaped cooling fin and air, improves the effect of refrigeration with heating, reduces energy consumption, and make bar shaped cooling fin
Using more flexible and convenient, be able to satisfy the use of different model vehicle air-conditioning；
3, when the heat transfer effect of Intermediate Heat Exchanger is bad, corresponding bar shaped cooling fin is only needed to change, is not needed more
Entire Intermediate Heat Exchanger is changed, maintenance cost is reduced, engagement plate effectively increases the stability of header connection, improves two affluxs
Bonding strength between pipe, extends the service life of Intermediate Heat Exchanger, and connection component facilitates inlet tube and outlet tube and header
It is stably connected with, guarantees the normal operation of Intermediate Heat Exchanger.
Not only step is simple for the method for the present invention manufacturing process, facilitates manufacture, and shorten process time, reduces processing
And maintenance cost, realize the mass production of Intermediate Heat Exchanger, while different model size can be produced on same production line
Heat exchanger, enhances its flexibility used, and the Intermediate Heat Exchanger of production not only increases effectively bar shaped cooling fin and air
Contact area, improve refrigeration with heating effect, reduce energy consumption, and make bar shaped cooling fin using more flexible and convenient, energy
Meet the use of different model vehicle air-conditioning.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is the structural schematic diagram of Intermediate Heat Exchanger in present invention Intermediate Heat Exchanger manufacturing process used for automobile air conditioning；
Fig. 2 is the structural schematic diagram of bar shaped cooling fin in the present invention；
Fig. 3 is the structural schematic diagram of the second positioning supporting plate in the present invention.
In figure: 1- header；2- connection component；3- inlet tube；4- outlet tube；5- first positions supporting plate；6- engagement plate；7-
Second positioning supporting plate；8- bar shaped cooling fin；9- liquid inlet conduit；10- hollow rotating shaft；11- expands flow tube；12- diversion pipe；13- closing
Pipe；14- limit hole；15- single-way guiding pipe；16- solenoid valve；17- temperature sensor；18- eluate conduit.
Specific embodiment
Present invention Intermediate Heat Exchanger manufacturing process used for automobile air conditioning, includes the following steps:
1) manufacture of the first positioning supporting plate and the second positioning supporting plate
A, the size of the first positioning supporting plate 5 and the second positioning supporting plate 7 is determined according to the design requirement of drawing first, and
Corresponding iron plate is produced according to size, the thickness of iron plate is 3~5mm；
B, then the iron plate progress head and the tail that first positions four faces of structure installation in a ring on supporting plate 5 are welded and fixed,
It is marked passing through on the iron plate for being used to install 8 side of bar shaped cooling fin on ink and wash, and drills through mounting hole with drilling machine, made adjacent
Two mounting holes between spacing meet the requirement of setting, then the iron plate is soldered to the left side of ring structure；
C, through-hole is opened up on the iron plate of installation 1 side of header then according to the design position of header 1, and in annular
Hidden pipe is installed in structure, corresponding interface is connected to all, finally the iron plate for offering through-hole is soldered in ring structure, makes it
A closed structure is formed, while repair welding processing is carried out to weld, and processing is lubricated to interface；
D, five pieces of iron plates on supporting plate 7 are positioned by second again to weld, forms it into a groove, then in residue one
Limit hole 14 is drilled through by design requirement on block iron plate, the spacing between two adjacent limit holes 14 is made to meet design requirement, and
Grinding process is carried out to the inside of limit hole 14, position corresponding with limit hole 14 is then done by subscript by writing brush in groove
Note, and be attached two adjacent labels by installing single-way guiding pipe 15, while temperature is set in the side of respective markers
Spend sensor 17；
D, bend pipe finally is installed in mark, the bottom surface holding of the straight line for connecting bend pipe with limit hole 14 and groove is hung down
Directly, the iron plate for offering limit hole 14 is then soldered on groove one closed cabinet of formation, and by limit hole 14 with it is curved
Pipe is fixedly connected；
2) manufacture of bar shaped cooling fin
A, hollow first according to two above and below the big little makings of design size of bar shaped cooling fin 8 symmetrical hollow outer rims
Radiating groove is uniformly provided on the side of outer rim, the width of radiating groove is 5~10mm；
B, then that liquid inlet conduit 9 and eluate conduit 18 is oppositely positioned on the same line, and in liquid inlet conduit 9 and liquid out
The symmetrically placed expansion flow tube 11 in the two sides up and down of conduit 18, with the diversion pipe 12 processed by liquid inlet conduit 9 and eluate conduit 18 with
Corresponding expansion flow tube 11 is fixedly connected, and different length can be processed into according to the size of different automobile models by expanding flow tube 11,
Meet the installation requirement of Intermediate Heat Exchanger, then in the symmetrically placed sealed tube 13 in the two sides of liquid inlet conduit 9 and eluate conduit 18, envelope
Stopped pipe 13 expands flow tube 11 by the connection of diversion pipe 12, forms it into a flat structure, expands the number of flow tube 11 according to centre
The size of heat exchanger is increased or decreased, wherein expanding the tension of flow tube 11, sealed tube 13, liquid inlet conduit 9 and eluate conduit 18
Intensity is greater than 85MPa, and yield strength is greater than 25MPa, and elongation percentage is greater than 15%；
C, finally two hollow outer rims are socketed in flat structure, two hollow outer rims is made to be fastened, and
And hollow rotating shaft 10 is installed in the exposing port of liquid inlet conduit 9 and eluate conduit 18；
3) manufacture of header and connection component
A, the material for selecting header 1 according to design requirement first, is formed by high-frequency welding, then in two headers
Equal brushing aluminium-silicon composite layer on 1 outer surface, and be fixedly connected two headers 1 with engagement plate 6, upper and lower two ranks
Spacing between fishplate bar 6 is 10~15cm；
B, connection component 2 is then processed by template, connection component 2 is fixedly connected on to the top of two headers 1, and
Inlet tube 3 and outlet tube 4 are installed on the top surface of header 1；
4) component assembly
A, the header 1 for being equipped with connection component 2 is fixedly connected on the first positioning supporting plate 5 first, and by header 1
It is connected to the mounting hole on the first positioning supporting plate 5, carries out encapsulation process；
B, then by the first positioning supporting plate 5 and the second positioning supporting plate 7 parallel clamping vertically, and with supporting plate by bar shaped cooling fin
8 is evenly distributed from top to bottom, makes the spacing between two neighboring bar shaped cooling fin 8 and the spacing between two neighboring limit hole 14
It is equal；
C, then by the first positioning supporting plate 5 and the second positioning supporting plate 7 close to the two sides of bar shaped cooling fin 8, item will be first located at
In limit hole 14 on the insertion of the hollow rotating shaft 10 second positioning supporting plate 7 in 8 left side of shape cooling fin, then bar shaped cooling fin 8 will be located at
In mounting hole on the insertion of the hollow rotating shaft 10 first positioning supporting plate 5 on right side, and lubrication is coated in the junction of hollow rotating shaft 10
Oil observes the rotational case of bar shaped cooling fin 8；
5) Intermediate Heat Exchanger trial operation
The inlet tube 3 of Intermediate Heat Exchanger and outlet tube 4 are separately connected to external water-storing device, and radiated apart from bar shaped
Temperature sensor 17 is placed in the position of 5~10cm of piece, then conveys hot and cold water respectively, and the numerical value of observation temperature sensor 17 becomes
Change.
As shown in Figure 1 to Figure 3, Intermediate Heat Exchanger includes that the first positioning supporting plate 5, second positions supporting plate 7, bar shaped cooling fin 8
With header 1, bar shaped cooling fin 8 is evenly distributed on from top to bottom between the first positioning supporting plate 5 and the second positioning supporting plate 7, bar shaped
Cooling fin 8 is rotatably connected on the first positioning supporting plate 5 and the second positioning supporting plate 7, and bar shaped cooling fin 8 and the angle of horizontal direction are
The range of a, angle a are ± 90 ゜, and in this angular range, bar shaped cooling fin 8 can according to need carry out angular adjustment, are met
Heating or refrigeration of the different directions to air, increase the working range of Intermediate Heat Exchanger, improve practicability.
It is symmetrically arranged with liquid inlet conduit 9 and eluate conduit 18 at the center of bar shaped cooling fin 8, liquid inlet conduit 9 and liquid is led out
Hollow rotating shaft 10 is socketed on pipe 18, the upper and lower ends of bar shaped cooling fin 8 are provided with sealed tube 13, sealed tube 13 and feed liquor
It is evenly distributed between conduit 9 and eluate conduit 18 and expands flow tube 11, between liquid inlet conduit 9 and expansion flow tube 11, expanded flow tube 11 and expand
Between flow tube 11, expands between flow tube 11 and sealed tube 13, is connected by diversion pipe 12 between expansion flow tube 11 and eluate conduit 18,
It can be increased or decreased according to the air conditioning for automobiles of different model size and expand flow tube 11, drop it not while meeting installation requirement
Low refrigeration or the effect of heating, reduce manufacturing cost, and stabilization of the bar shaped cooling fin 8 in rotation can be improved in hollow rotating shaft 10
Property, liquid inlet conduit 9, eluate conduit 18, sealed tube 13, expansion flow tube 11 and diversion pipe 12 can form the access of circulation, facilitate liquid
The flowing of body.
Limit hole 14 corresponding with bar shaped cooling fin 8 is provided on the medial surface of second positioning supporting plate 7, adjacent two
It is connected between limit hole 14 by single-way guiding pipe 15, solenoid valve 16, the side of limit hole 14 is provided on single-way guiding pipe 15
It is upper that temperature sensor 17 is connected with by conducting wire, needs are used according to actual, corresponding list can control by solenoid valve 16
To the switch of conduction pipe 15, and then the work of corresponding bar shaped cooling fin 8 is controlled, improves the flexibility that bar shaped cooling fin 8 works, temperature
Degree sensor 17 then can be convenient for controlling with the temperature on each bar shaped cooling fin 8 of real-time delivery.
Two headers 1 are fixedly connected on the other side of the first positioning supporting plate 5 in parallel, pass through rank between two headers 1
Fishplate bar 6 connects, and the top of two headers 1 is provided with connection component 2, inlet tube 3 and outlet tube 4 are provided on connection component 2；
By the way that bar shaped cooling fin 8 to be rotatably connected between the first positioning supporting plate 5 and the second positioning supporting plate 7, item is not only increased effectively
The contact area of shape cooling fin 8 and air improves the effect of refrigeration with heating, reduces energy consumption, and make making for bar shaped cooling fin 8
With more flexible and convenient, it is able to satisfy the use of different model vehicle air-conditioning, when the heat transfer effect of Intermediate Heat Exchanger is bad, is only needed
Corresponding bar shaped cooling fin 8 is replaced, does not need to replace entire Intermediate Heat Exchanger, reduces maintenance cost, engagement plate 6 effectively mentions
The stability that high header 1 connects, improves the bonding strength between two headers 1, extend Intermediate Heat Exchanger uses the longevity
Life, connection component 2 facilitate inlet tube 3 and outlet tube 4 to be stably connected with header 1, guarantee the normal fortune of Intermediate Heat Exchanger
Row.
The above is only specific embodiments of the present invention, but technical characteristic of the invention is not limited thereto.It is any with this hair
Based on bright, to realize essentially identical technical effect, made ground simple change, equivalent replacement or modification etc. are all covered
Among protection scope of the present invention.
Claims (6)
1. Intermediate Heat Exchanger manufacturing process used for automobile air conditioning, it is characterised in that include the following steps:
1) manufacture of the first positioning supporting plate and the second positioning supporting plate
A, the size of the first positioning supporting plate and the second positioning supporting plate is determined according to the design requirement of drawing first, and according to ruler
Very little size produces corresponding iron plate, and the thickness of iron plate is 3~5mm；
B, then the iron plate progress head and the tail that first positions four faces of structure installation in a ring on supporting plate are welded and fixed, will be used for
It installs by being marked on ink and wash on the iron plate of bar shaped cooling fin side, and drills through mounting hole with drilling machine, make adjacent two
Spacing between mounting hole meets the requirement of setting, then the iron plate is soldered to the left side of ring structure；
C, through-hole is opened up on the iron plate of installation header side then according to the design position of header, and in ring structure
Hidden pipe is installed, corresponding interface is connected to all, finally the iron plate for offering through-hole is soldered in ring structure, forms it into one
A closed structure, while repair welding processing is carried out to weld, and processing is lubricated to interface；
D, five pieces of iron plates on supporting plate are positioned by second again to weld, forms it into a groove, then in remaining one block of iron
On piece drills through limit hole by design requirement, so that the spacing between two adjacent limit holes is met design requirement, and to limit hole
Inside carry out grinding process, then position corresponding with limit hole is marked by writing brush in groove, and pass through peace
Two adjacent labels are attached by dress single-way guiding pipe, while temperature sensor is arranged in the side of respective markers；
D, bend pipe finally is installed in mark, the straight line for connecting bend pipe with limit hole is vertical with the holding of the bottom surface of groove, then
The iron plate for offering limit hole is soldered to one closed cabinet of formation on groove, and company is fixed in limit hole and bend pipe
It connects；
2) manufacture of bar shaped cooling fin
A, first according to two above and below the big little makings of design size of bar shaped cooling fin symmetrical hollow outer rims, hollow outer rim
Side on be uniformly provided with radiating groove, the width of radiating groove is 5~10mm；
B, then that liquid inlet conduit and eluate conduit is oppositely positioned on the same line, and in the upper of liquid inlet conduit and eluate conduit
The lower symmetrically placed expansion flow tube in two sides is consolidated liquid inlet conduit and eluate conduit with corresponding expansion flow tube with the diversion pipe processed
Fixed connection, then in the symmetrically placed sealed tube in the two sides of liquid inlet conduit and eluate conduit, sealed tube is connected by diversion pipe expands stream
Pipe, forms it into a flat structure, the number for expanding flow tube is increased or decreased according to the size of Intermediate Heat Exchanger；
C, finally two hollow outer rims are socketed in flat structure, two hollow outer rims is made to be fastened, and
The exposing port of liquid inlet conduit and eluate conduit is installed by hollow rotating shaft；
3) manufacture of header and connection component
A, the material for selecting header according to design requirement first, is formed by high-frequency welding, then in the outer of two headers
Equal brushing aluminium-silicon composite layer on surface, and be fixedly connected two headers with engagement plate, between upper and lower two engagement plates
Spacing be 10~15cm；
B, connection component is then processed by template, connection component is fixedly connected on to the top of two headers, and in afflux
Inlet tube and outlet tube are installed on the top surface of pipe；
4) component assembly
A, the header for being equipped with connection component is fixedly connected on the first positioning supporting plate first, and header is determined with first
Mounting hole connection on the supporting plate of position, carries out encapsulation process；
B, the first positioning supporting plate is then positioned into supporting plate parallel clamping vertically with second, and with supporting plate by bar shaped cooling fin from upper past
Under it is evenly distributed, keep the spacing between two neighboring bar shaped cooling fin equal with the spacing between two neighboring limit hole；
C, then by the first positioning supporting plate and the second positioning supporting plate close to the two sides of bar shaped cooling fin, bar shaped cooling fin will be first located at
The hollow rotating shaft insertion second in left side positions in the limit hole on supporting plate, then the hollow rotating shaft being located on the right side of bar shaped cooling fin is inserted
Enter in the mounting hole on the first positioning supporting plate, and coat lubricating oil in the junction of hollow rotating shaft, observes the rotation of bar shaped cooling fin
Turn situation；
5) Intermediate Heat Exchanger trial operation
The inlet tube of Intermediate Heat Exchanger and outlet tube be separately connected to external water-storing device, and apart from bar shaped cooling fin 5~
Temperature sensor is placed in the position of 10cm, then conveys hot and cold water respectively, observes the numerical value change of temperature sensor.
2. Intermediate Heat Exchanger manufacturing process used for automobile air conditioning according to claim 1, it is characterised in that: step 2) process b
In the expansion flow tube, the sealed tube, the liquid inlet conduit and the eluate conduit tensile strength be greater than 85MPa, surrender
Intensity is greater than 25MPa, and elongation percentage is greater than 15%.
3. Intermediate Heat Exchanger manufacturing process used for automobile air conditioning according to claim 1, it is characterised in that: the intermediate heat exchange
Device includes that the first positioning supporting plate, the second positioning supporting plate, bar shaped cooling fin and header, the bar shaped cooling fin are uniform from top to bottom
It is distributed between the first positioning supporting plate and the second positioning supporting plate, two headers are fixedly connected on described in parallel
First positions the other side of supporting plate, is connected between two headers by engagement plate, the top of two headers is set
It is equipped with connection component, is provided with inlet tube and outlet tube on the connection component.
4. Intermediate Heat Exchanger manufacturing process used for automobile air conditioning according to claim 3, it is characterised in that: the bar shaped heat dissipation
Piece is rotatably connected on the first positioning supporting plate and the second positioning supporting plate, the folder of the bar shaped cooling fin and horizontal direction
Angle is a, and the range of the angle a is ± 90 °.
5. Intermediate Heat Exchanger manufacturing process used for automobile air conditioning according to claim 3, it is characterised in that: the bar shaped heat dissipation
Liquid inlet conduit and eluate conduit are symmetrically arranged at the center of piece, socket is free in the liquid inlet conduit and the eluate conduit
Heart shaft, the upper and lower ends of the bar shaped cooling fin are provided with sealed tube, the sealed tube and the liquid inlet conduit and described
Expansion flow tube is evenly distributed between eluate conduit, between the liquid inlet conduit and the expansion flow tube, the expansion flow tube and the expansion
Pass through diversion pipe between flow tube, between the expansion flow tube and the sealed tube, between the expansion flow tube and the eluate conduit
Connection.
6. Intermediate Heat Exchanger manufacturing process used for automobile air conditioning according to claim 3, it is characterised in that: second positioning
It is provided with limit hole corresponding with the bar shaped cooling fin on the medial surface of supporting plate, leads between two adjacent limit holes
Single-way guiding pipe connection is crossed, solenoid valve is provided on the single-way guiding pipe, is connected on the side of the limit hole by conducting wire
There is temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN108189640B (en) * | 2017-11-22 | 2023-06-30 | 珠海格力电器股份有限公司 | Heat exchange control device, air conditioner and control method of air conditioner |
| CN110936106A (en) * | 2019-10-10 | 2020-03-31 | 万金机械配件(东莞)有限公司 | Seamless splicing process combining friction welding and cutting machining and product |
| CN211781864U (en) * | 2020-03-27 | 2020-10-27 | 广东美的制冷设备有限公司 | Sideboard, heat exchange assembly and air conditioner |
| CN112303949B (en) * | 2020-09-22 | 2021-10-26 | 珠海格力电器股份有限公司 | Control method of heat pump system based on micro-channel heat exchanger |
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Address after: 312500 Xinchang provincial high and New Technology Industrial Park (Xinchang Yu Village), Xinchang, Zhejiang Province Applicant after: XINCHANG GREAT WALL AIR-CONDITIONING PARTS Co.,Ltd. Address before: 312500 Xinchang provincial high and New Technology Industrial Park (Xinchang Yu Village), Xinchang, Zhejiang Province Applicant before: XINCHANG GREAT WALL AIR CONDITION PARTS Co.,Ltd. |
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Denomination of invention: Manufacturing technology of intermediate heat exchanger for automobile air conditioner Effective date of registration: 20220125 Granted publication date: 20190705 Pledgee: Agricultural Bank of China Limited by Share Ltd. Xinchang county subbranch Pledgor: XINCHANG GREAT WALL AIR-CONDITIONING PARTS Co.,Ltd. Registration number: Y2022330000174 |
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Date of cancellation: 20230323 Granted publication date: 20190705 Pledgee: Agricultural Bank of China Limited by Share Ltd. Xinchang county subbranch Pledgor: XINCHANG GREAT WALL AIR-CONDITIONING PARTS Co.,Ltd. Registration number: Y2022330000174 |