CN209310550U - A kind of heat exchanger - Google Patents
A kind of heat exchanger Download PDFInfo
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- CN209310550U CN209310550U CN201822188925.XU CN201822188925U CN209310550U CN 209310550 U CN209310550 U CN 209310550U CN 201822188925 U CN201822188925 U CN 201822188925U CN 209310550 U CN209310550 U CN 209310550U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to technical field of new energy more particularly to a kind of heat exchangers.Heat exchanger provided by the utility model includes heat exchange core body, water pump and expansion valve, and water pump and expansion valve are fixedly connected with heat exchange core body respectively, so that heat exchanger is compact-sized.Adjacent and mutually independent first passage and second channel are offered inside heat exchange core body, one end of first passage is connected with the outlet of water pump, and the other end of first passage is connected with the first outlet pipe, and water pump is passed through first fluid into first passage.The entrance of expansion valve is connected with one end of second channel, and the outlet of expansion valve is connected with the other end of second channel, and expansion valve is selectively passed through second fluid into second channel.Heat exchanger provided by the utility model can select the different refrigeration modes of heat exchanger according to the different heat dissipation capacities of battery.
Description
Technical field
The utility model relates to technical field of new energy more particularly to a kind of heat exchangers.
Background technique
Continuous improvement with society to energy-saving and emission-reduction requirement, cleaning, the application of pollution-free, low emission new-energy automobile
Field is more and more extensive.Different from traditional fuel oil, fuel gas vehicle with engine as a source of power, new-energy automobile is with battery
It wraps (group) and is used as energy storage device, using driving motor as power device.Battery pack can generate heat during charge and discharge, drive
Dynamic motor, which converts electrical energy into mechanical energy, can also generate heat.Although new-energy automobile each component in design all has very high
Anti-flammability, but heat build-up still will increase the spontaneous combustion rate of automobile, and automotive interior components is caused to break down, and interfere driving system
The normal work of system.
To solve the above problems, cool down usually using heat exchanger to battery in battery of electric vehicle heat management system, but
Be existing heat exchanger refrigeration mode it is single, and system is too fat to move, complicated, integrated level is lower, occupy vehicle space it is big and at
This is high.
Based on this, it would be highly desirable to invent a kind of heat exchanger that is compact-sized and being able to achieve Multi-mode refrigeration.
Utility model content
Based on the above, the purpose of this utility model is to provide a kind of compact-sized and be able to achieve Multi-mode refrigeration
Heat exchanger.
In order to achieve the above object, the utility model uses following technical scheme:
A kind of heat exchanger, comprising:
Heat exchange core body offers adjacent and mutually independent first passage and second channel thereon；
Water pump is fixedly connected with the heat exchange core body, and the outlet of the water pump is connected with one end of the first passage,
The other end of the first passage is connected with the first outlet pipe, and the water pump is passed through first fluid into the first passage；With
And
Expansion valve is fixedly connected with the heat exchange core body, one end phase of the entrance of the expansion valve and the second channel
Connection, the outlet of the expansion valve is connected with the other end of the second channel, and the expansion valve is selectively to described the
Second fluid is passed through in two channels.
Optionally, the heat exchange core body includes upper cover plate, stack of laminations and lower plate, and the upper cover plate is fixed at described
The top of stack of laminations, the lower plate are fixed at the lower section of the stack of laminations.
Optionally, the stack of laminations includes the lamination that S piece stacks gradually, S >=5, odd number piece lamination and adjacent below
The lamination seals to form the first space, and even slice lamination and the lamination adjacent below seal to form second space, institute
It states the first space to be isolated with the second space, multiple first space connections constitute the first passage, multiple described
Second space connection constitutes the second channel.
Optionally, the odd number piece lamination and the lamination adjacent below pass through the first fit area and second respectively
Fit area fits, and first fit area and second fit area are located at the two sides of the lamination, each
First fit area offers first through hole, and each second fit area offers the second through-hole, and multiple described
One through-hole is connected, and multiple second through-holes are connected, and multiple second spaces are connected to；Positioned at described the of top layer
One through-hole is connected with the outlet of the expansion valve, and second through-hole positioned at top layer is connected with the entrance of the expansion valve
It is logical.
Optionally, the even slice lamination and the lamination adjacent below pass through third fit area and the 4th respectively
Fit area fits, and the third fit area and the 4th fit area are located at the two sides of the lamination, each
The third fit area offers third through-hole, and each 4th fit area offers fourth hole, and multiple described
Three through-holes are connected, and multiple fourth holes are connected, and multiple first spaces are connected to；Positioned at described the of bottom
Three through-holes are connected with the outlet of the water pump, and the fourth hole positioned at top layer is connected with first outlet pipe.
Optionally, the heat exchanger further includes interpolation pipe, and multiple first through hole constitute flow channel, the interpolation pipe
It is arranged in the flow channel, the top of the interpolation pipe is connected with the outlet of the expansion valve, and at least partly described the
One through-hole is extended towards the interpolation pipe first baffle, to block the flow channel, the bottom end opening of the interpolation pipe
Positioned at the lower section of the first baffle of the bottom；Multiple second through-holes composition flow pass, at least partly described second
Through-hole, which is extended, second baffle, to block the flow pass；The quantity of the second baffle and the first baffle
Quantity is identical, and the first baffle and the second baffle are successively arranged alternately along the vertical direction, the first gear of the bottom
Plate is lower than the second baffle of the bottom.
Optionally, the heat exchanger further includes connection pedestal, and the lower plate is fixed on the connection pedestal, the company
It connecing and offers intercommunicating pore on pedestal, the second outlet pipe is provided on the water pump, second outlet pipe passes through the intercommunicating pore,
And it is plugged in the first passage.
Optionally, sealing ring is provided between second outlet pipe and the intercommunicating pore.
Optionally, the heat exchange core body is mutually fixed with the connection pedestal by slice weldering.
Optionally, the heat exchanger further includes assembly bracket, the water pump, the assembly bracket and the connection pedestal according to
It is secondary mutually to be fixed by fastener.
The utility model has the following beneficial effects:
Heat exchanger provided by the utility model includes heat exchange core body, water pump and expansion valve, water pump and expansion valve respectively with change
Hot core is fixedly connected, so that heat exchanger is compact-sized.It is offered inside heat exchange core body adjacent and mutually independent first logical
Road and second channel, one end of first passage are connected with the outlet of water pump, and the other end of first passage is connected with the first water outlet
Pipe, water pump are passed through first fluid into first passage.The entrance of expansion valve is connected with one end of second channel, and expansion valve goes out
Mouth is connected with the other end of second channel, and expansion valve is selectively passed through second fluid into second channel.Work as cell heat
When lower, it is only necessary to be passed through first fluid into first passage by water pump, realize cooling of the heat exchanger to ambient enviroment.
When cell heat is higher, expansion valve can be allowed to be passed through second fluid, first fluid and second fluid into second channel simultaneously
Heat exchange is realized in respective channel, and the better cooling effect of heat exchanger may be implemented.It can be distributed not according to battery
The different refrigeration modes of heat exchanger are selected with heat.
Detailed description of the invention
It, below will be to the utility model embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to the content of the utility model embodiment and these attached drawings.
Fig. 1 is the structural schematic diagram of heat exchanger provided by the utility model；
Fig. 2 is the explosive view of heat exchange core body provided by the utility model；
Fig. 3 is the structural schematic diagram of opening lamination provided by the utility model；
Fig. 4 is the first cross-sectional view of heat exchanger provided by the utility model；
Fig. 5 is the second cross-sectional view of heat exchanger provided by the utility model；
Fig. 6 is lower plate provided by the utility model, the scheme of installation for connecting pedestal and assembly bracket；
Fig. 7 is the cross-sectional view in Fig. 6 at A-A.
It is marked in figure as follows:
100- heat exchanger；
1- heat exchange core body；2- water pump；3- expansion valve；4- connection pedestal；5- assembly bracket；
11- upper cover plate；12- stack of laminations；13- lower plate；The first outlet pipe of 14-；15- interpolation pipe；The second water inlet pipe of 21-；
The second outlet pipe of 22-；31- refrigerant inlet pipe；32- refrigerant outlet pipe；41- intercommunicating pore；
101- first passage；102- second channel；The first apopore of 111-；112- refrigerant inlet hole；113- refrigerant
Outlet opening；114- imports and exports cover board；115- imports and exports pressing plate；121- opening lamination；The silent lamination of 122-；131- first is intake
Hole；221- sealing ring；
The first flow channel of 1011-；Channel between the first plate of 1012-；The first flow pass of 1013-；1021- second flows into logical
Road；Channel between the second plate of 1022-；The second flow pass of 1023-；The first fit area 1201-；The second fit area 1202-；
1203- third fit area；The 4th fit area 1204-；1221- flanging bore；
12011- first through hole；The second through-hole of 12021-；12031- third through-hole；12041- fourth hole.
Specific embodiment
The technical issues of in order to solve the utility model, the technical solution of use and the technical effect that reaches are more clear
Chu is described in further detail, it is clear that described below in conjunction with technical solution of the attached drawing to the utility model embodiment
Embodiment is only the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those skilled in the art's every other embodiment obtained without creative efforts, belongs to this reality
With novel protected range.
Fig. 1 is the structural schematic diagram of heat exchanger 100 provided in this embodiment.As described in Figure 1, heat exchange provided in this embodiment
Device 100 includes heat exchange core body 1, water pump 2, expansion valve 3, connection pedestal 4 and assembly bracket 5.Wherein, the fixed support of heat exchange core body 1
An entirety is formed on connection pedestal 4 and with pedestal 4 is connect, the side of the entirety and assembly bracket 5, water pump 2 pass through fastening
Bolt is fixedly connected, and the other side is fixedly connected with expansion valve 3 by fastening bolt, and heat exchanger 100 is overall to be pacified by assembly bracket 5
It is attached in car body.
Adjacent and mutually independent first passage 101 and second channel 102, first passage are offered inside heat exchange core body 1
101 one end is connected with the outlet of water pump 2, and the other end of first passage 101 is connected with the first outlet pipe 14, and water pump 2 is to
Coolant liquid (first fluid) is passed through in one channel 101.The entrance of expansion valve 3 is connected with one end of second channel 102, expansion valve
3 outlet is connected with the other end of second channel 102, and expansion valve 3 is selectively passed through refrigerant into second channel 102
(second fluid).When cell heat is lower, it is only necessary to be passed through coolant liquid into first passage 101 by water pump 2, realize
Cooling of the heat exchanger 100 to ambient enviroment.When cell heat is higher, expansion valve 3 can be allowed to lead into second channel 102 simultaneously
Enter refrigerant, first passage 101 is adjacent and mutually indepedent with second channel 102, and coolant liquid and refrigerant can be in heat exchange core bodies 1
Middle carry out heat exchange, refrigerant can absorb the heat of coolant liquid, and coolant liquid is made to absorb more automobile power cell packets (group)
Heat avoids heat build-up that automotive interior components is caused to break down, very to preferably be radiated to battery pack (group)
Lead to safety accident to self-burning of vehicle is caused.The different heats that heat exchanger 100 provided in this embodiment can be distributed according to battery
To select different refrigeration modes.
In addition, water pump 2 and expansion valve 3 are fixed with heat exchange core body 1 respectively, so that heat exchanger 100 is compact-sized, reduce
The total volume and total weight of the system, reduce totle drilling cost.In the present embodiment, the material of heat exchange core body 1 and connection pedestal 4 is
Aluminium is simultaneously integrated by furnace lead welding and shaping, and light weight and cost is low, simple process, welding structure is firm and can produce in batches.
Fig. 2 is the explosive view of heat exchange core body 1 provided in this embodiment.As shown in Fig. 2, heat exchange core body 1 include upper cover plate 11,
Stack of laminations 12, lower plate 13, the first outlet pipe 14 and interpolation pipe 15.Wherein, upper cover plate 11 is arranged above stack of laminations 12, bottom
Plate 13 is arranged below stack of laminations 12 and lower plate 13 is fixed on connection pedestal 4, upper cover plate 11, stack of laminations 12 and lower plate 13
Between also by being welded and fixed, form the main part of heat exchange core body 1.It is provided with the first outlet pipe 14 on upper cover plate 11, can incite somebody to action
Coolant liquid is exported from heat exchange core body 1.Interpolation pipe 15 is plugged in stack of laminations 12, is realized and is being flowed into heat exchange core body 1 to refrigerant
Preliminary diversion effect afterwards.Preferably, the internal diameter of interpolation pipe 15 can be 8 millimeters~10 millimeters.
Specifically, offering the first apopore 111 on upper cover plate 11, the first outlet pipe 14 is fixed at the first water outlet
In hole 111, coolant liquid can be exported from the first outlet pipe 14 to external impetus battery after being cooled down in heat exchange core body 1 by refrigerant
(group) cooling circuit is wrapped, to realize the heat dissipation of battery pack (group).Refrigerant inlet hole 112 and system are also provided on upper cover plate 11
Cryogen outlet opening 113, respectively as inlet and outlet of the refrigerant on heat exchange core body 1.Upper cover plate 11 further includes combination settings
Inlet and outlet cover board 114 and inlet and outlet pressing plate 115, inlet and outlet cover board 114 and import and export pressing plate 115 on offer respectively with system
The channel that cryogen inlet hole 112, refrigerant outlet hole 113 are connected realizes refrigerant between heat exchange core body 1 and expansion valve 3
Circulation.Import and export cover board 114 and 11 welded seal of upper cover plate, and import and export cover board 114 be provided with the inlet plenum being isolated and
Outlet chamber, inlet plenum can be by including 112 envelopes of refrigerant inlet hole, and outlet chamber can be by 113 envelope of refrigerant outlet hole
Inside, the diversion effect that heat exchange core body 1 is flowed into, flowed out to refrigerant is realized.Inlet and outlet pressing plate 115 is convexly equipped with the import of refrigerant
Connector and outlet connection, inlet union and outlet connection can be connected with expansion valve 3 respectively.
As shown in Fig. 2, coolant liquid stack of laminations 12 includes the lamination that S piece stacks gradually, (clipped is folded in Fig. 2 for S >=5
Piece).Opening lamination 121 close to upper cover plate 11 is first lamination, and the opening lamination 121 close to lower plate 13 is last a piece of
Lamination.Wherein, odd number piece lamination seals to form the first space with adjacent lamination below, even slice lamination with it is adjacent below
Lamination seal to form second space, the first space and second space are mutually isolated.Multiple first spaces are connected composition first
Channel 101, multiple second spaces, which are connected, constitutes second channel 102.
First passage 101 includes longitudinally disposed the first flow channel 1011 and the first flow pass 1013, and first is empty
Between be formed with channel 1012 between the first plate in the horizontal direction, channel 1012 can be by the first flow channel 1011 and between the first plate
One flow pass 1013 is connected, and realizes that coolant liquid circulates in heat exchange core body 1.Second channel 102 includes longitudinally disposed
Second flow channel 1021 and the second flow pass 1023, second space are formed with channel 1022 between the second plate in the horizontal direction,
The second flow channel 1021 can be connected by channel 1022 with the second flow pass 1023 between second plate, realize that refrigerant is changing
Circulation in hot core 1.
Fig. 3 is the structural schematic diagram of opening lamination 121 provided in this embodiment.As shown in figure 3, under odd number piece lamination and its
The lamination of Fang Xianglin is bonded at the first fit area 1201 and the second fit area 1202, the first fit area 1201 and second
Fit area 1202 is located at the two sides of lamination, and by welded seal, realizes the sealing to the first space.First conformable region
First through hole 12011 is offered on domain 1201, and the second through-hole 12021 is offered on the second fit area 1202.Multiple first is logical
Hole 12011 is connected, and constitutes the second flow channel 1021 of refrigerant, and multiple second through-holes 12021 are connected, and constitutes refrigerant
The second flow pass 1023, realization multiple second spaces are connected.
Even slice lamination and lamination adjacent below paste at third fit area 1203 and the 4th fit area 1204
It closes, third fit area 1203 and the 4th fit area 1204 are located at the other two sides of lamination, and pass through welded seal, real
Now to the sealing of second space.Third fit area 1203 offers third through-hole 12031, and the 4th fit area 1204 offers
Fourth hole 12041.Multiple third through-holes 12031 are connected, and constitute the first flow channel 1011 of coolant liquid, multiple four-ways
Hole 12041 is connected, and constitutes the first flow pass 1013 of coolant liquid, and multiple first spaces are connected by realization.First passage
101 is adjacent and mutually indepedent with 102 position of second channel, to realize that coolant liquid and refrigerant circulate simultaneously in respective channel
Carry out heat exchange.
Fig. 4 is the first cross-sectional view of heat exchanger 100 provided in this embodiment.As shown in figure 4, water pump 2 includes the second water inlet
Pipe 21 and the second outlet pipe 22 connect and offer intercommunicating pore 41 on pedestal 4, offer first on the lower plate 13 of heat exchange core body 1
Inlet opening 131.Second outlet pipe 22 and the third through-hole on intercommunicating pore 41, the first inlet opening 131 and last a piece of lamination
12031 are connected, and realize that coolant liquid flows into heat exchange core body 1.On fourth hole 12041 and upper cover plate 11 on first lamination
The first outlet pipe 14 on first apopore 111 and heat exchange core body 1 is connected, and realizes that coolant liquid flows out heat exchange core body 1.
Specifically, the coolant liquid of circulation is flowed into from the second water inlet pipe 21 in power battery pack (group) cooling circuit
The inside of water pump 2, then pass sequentially through on the second outlet pipe 22, intercommunicating pore 41, the first inlet opening 131 and last a piece of lamination
Third through-hole 12031 is flowed into the first flow channel 1011.Coolant liquid is by the way that baffling flows in channel 1012 between the first plate
It realizes that coolant liquid fully absorbs cooling capacity, and flows into first-class channel 1013 out.Pass through the fourth hole on first lamination
12041, the first apopore 111 and the first outlet pipe 14, coolant liquid are flow back into again in the cooling circuit of power battery pack (group),
To constantly battery pack (group) be helped to radiate, guarantee that automobile dynamic system can work normally.
Second outlet pipe 22 be threaded through connection pedestal 4 intercommunicating pore 41 in, and the second outlet pipe 22 with intercommunicating pore 41
Junction offers the annular groove that can accommodate sealing ring 221, can be carried out to the junction by setting sealing ring 221 circumferential close
Envelope, so that coolant liquid be avoided to leak.
Water pump 2 provided in this embodiment can be electronic water pump, can flexibly control coolant liquid by adjusting load voltage
Flow, to adapt to the various heat exchange demand of different clients heat exchanging device 100.Preferably, the low discharge of coolant liquid can be every for 6 liters
Minute, the high flow capacity of coolant liquid can be 12 Liter Per Minutes.
Fig. 5 is the second cross-sectional view of heat exchanger 100 provided in this embodiment.As shown in figure 5, expansion valve 3 is provided with refrigeration
Agent inlet tube 31 and refrigerant outlet pipe 32, respectively in heat exchange core body 1 inlet and outlet pressing plate 115 on inlet union and outlet
Connector is connected, to realize that refrigerant flows in or out heat exchange core body 1.
Specifically, multiple first through hole 12011 constitute the second flow channel 1021 of refrigerants, interpolation pipe 15 is located at the
In two flow channels 1021.The top of interpolation pipe 15 is fixed in refrigerant inlet hole 112, and with refrigerant inlet hole
112 carry out circumferential seal by welding, and the top of interpolation pipe 15 is connected with the refrigerant inlet pipe 31 of expansion valve 3.One
First through hole 12011 is extended towards interpolation pipe 15 first baffle, to block the second flow channel 1021, the bottom of interpolation pipe 15
End opening is located at the lower section of first baffle.Multiple second through-holes 12021 constitute the second flow pass 1023, second through-hole
12021 are extended and have second baffle, and to block the second flow pass 1023, first baffle is lower than second baffle, and second flows out
Channel 1023 is connected with the refrigerant outlet pipe 32 of expansion valve 3.
Refrigerant in external refrigeration unit circuit flows into expansion valve 3 from refrigerant inlet pipe 31, passes through the section of expansion valve 3
Flowing depressurization becomes low-temperature refrigerant, and by the inlet union on inlet and outlet pressing plate 115, low-temperature refrigerant flows into inlet and outlet
The inlet plenum of cover board 114, then pass through first on 112, first, the refrigerant inlet hole opening lamination 121 on upper cover plate 11
Through-hole 12011 and interpolation pipe 15 flow into heat exchange core body 1 to realize heat exchange.Specifically, interpolation pipe 15 is by low-temperature refrigerant
Take the lead in the lower section for being sent to first baffle, is then flowed into the second flow pass 1023 by channel 1022 between the second plate；Position
Refrigerant below second baffle does not continue to flow along longitudinal direction, but flows into place again by channel 1022 between the second plate
In the second flow channel 1021 above the first baffle；Channel 1022 flows into position between subsequent refrigerant third time passes through the second plate
It in the second flow pass 1023 above the second baffle, is finally flowed into expansion valve 3, completes refrigerant in heat exchange core body 1
In baffling flowing.It is multipaths by the flow setting of refrigerant, can guarantee that heat exchange is abundant.
Flanging bore 1221 is provided on first baffle, interpolation pipe 15 is closely plugged in flanging bore 1221, can guarantee refrigeration
Agent can not pass through between first baffle and interpolation pipe 15.Second baffle is closed plate, is realized second above second baffle
The refrigerant in channel 1023 is isolated with the refrigerant in the second flow pass 1023 below second baffle out.In actual processing
In the process, opening lamination 121 on this laminates first baffle or second baffle be molded as one, to form closing for this layer
Mouth lamination 122.Opening lamination 121 and silent lamination 122 provided in this embodiment can be square corrugated fin type heat exchange plate, pass
The thermal efficiency is high, and the stack of laminations 12 of formation is light-weight and volume compact.
In other embodiments, first baffle and second baffle may be arranged as multiple, the quantity of second baffle and the
The quantity of one baffle is identical, and first baffle and second baffle are successively arranged alternately along the longitudinal direction of heat exchange core body 1, the bottom
The position of first baffle is lower than the second baffle of the bottom.
In addition, the inlet and outlet of the ipsilateral setting refrigerant of expansion valve 3, can be reduced between expansion valve 3 and heat exchange core body 1
Connecting line reduces the occupied area and total weight of heat exchanger 100.
Expansion valve 3 provided in this embodiment can be electric expansion valve or electromagnetic expanding valve, high sensitivity.Expansion valve 3 with
Controller electrical connection, controller are electrically connected with the temperature monitoring device of detection refrigerant temperature, and are previously provided with refrigerant temperature
The preset value of degree.When the temperature that temperature monitoring device detects exceeds preset value, controller controls expansion valve 3 and starts to work；
When the temperature that temperature monitoring device detects is without departing from preset value, controller control expansion valve 3 stops working, and mentions to reach
High refrigerating efficiency and energy-efficient effect.
Fig. 6 is lower plate 13 provided in this embodiment, the scheme of installation for connecting pedestal 4 and assembly bracket 5, and Fig. 7 is Fig. 6
Cross-sectional view at middle A-A.As shown in Figure 6 and Figure 7, it connects on pedestal 4 and assembly bracket 5 and accordingly offers multiple concentric settings
Mounting hole, lower plate 13 and connection pedestal 4 is whole passes through fastening bolt with assembly bracket 5 and mutually fix passes through 5 energy of assembly bracket
Heat exchanger 100 is installed to inside car body by enough realize.
Specifically, offering lightening hole on connection pedestal 4 and assembly bracket 5, material can be saved, cost is reduced and subtracts
The total weight of small heat exchanger 100, so as to improve the performance of automobile dynamic system.The first inlet opening 131 and company on lower plate 13
The concentric setting of intercommunicating pore 41 on pedestal 4 is connect, guarantees that coolant liquid is unimpeded to the flow channel of heat exchange core body 1 from water pump 2.It is preferred that
The aperture size on ground, the first inlet opening 131 can be 8 millimeters~13 millimeters, and the aperture size at 41 port of intercommunicating pore can be
15 millimeters~20 millimeters.
In order to facilitate understanding, the working principle of heat exchanger 100 provided in this embodiment is as follows:
(1) when heat exchanger 100 being needed to open refrigerating function
On the one hand, water pump 2 is constantly to 1 circulating cooling liquid of heat exchange core body, coolant liquid by the second outlet pipe 22 of water pump 2,
The intercommunicating pore 41 on pedestal 4 is connected, is flowed into heat exchange core body 1 from the first inlet opening 131 on lower plate 13, passes through the first plate
Between channel 1012 guide functions, from the first apopore 111 outflow on upper cover plate 11, and pass through first on heat exchange core body 1
Outlet pipe 14 is flow back into the external cooling circuit containing power battery pack (group), realizes the cooling to battery pack (group)；
On the other hand, refrigerant flows into heat exchange core body 1 by the inlet union of expansion valve 3 and inlet and outlet pressing plate 115, and leads to
It crosses interpolation pipe 15 to take the lead in flowing into bottom coolant channel, passes through the first baffle and second on the second flow channel 1021
The baffling of second baffle on flow pass 1023 acts on, and refrigerant carries out three times in channel 1022 from top to bottom between the second plate
Baffling is realized and sufficiently carries out heat exchange with coolant liquid, and the refrigerant after heat exchange passes through the refrigerant outlet hole on upper cover plate 11
113, it is flowed out in expansion valve 3 from the outlet connection on inlet and outlet pressing plate 115, external system is flow back by refrigerant outlet pipe 32
In cold group circuit, refrigerant is cooled down to realize.
(2) when not needing the unlatching refrigerating function of heat exchanger 100
When coolant temperature is lower, and the provided enough external battery packs of cooling capacity (group) are radiated, expansion valve 3 passes through control
The control of device is automatically stopped work, and the continuous circulating cooling liquid of water pump 2.One side coolant liquid is constantly in external cooling circuit
Battery pack (group) is cooled down, and unnecessary energy consumption, save the cost can be reduced by the other hand being stopped working by control expansion valve 3
And improve the cooling efficiency of refrigerant.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (10)
1. a kind of heat exchanger characterized by comprising
Heat exchange core body (1) offers adjacent and mutually independent first passage (101) and second channel (102) thereon；
Water pump (2) is fixedly connected with the heat exchange core body (1), outlet and the first passage (101) of the water pump (2)
One end is connected, and the other end of the first passage (101) is connected with the first outlet pipe (14), water pump (2) Xiang Suoshu
First fluid is passed through in one channel (101)；And
Expansion valve (3) is fixedly connected with the heat exchange core body (1), the entrance and the second channel of the expansion valve (3)
(102) one end is connected, and the outlet of the expansion valve (3) is connected with the other end of the second channel (102), described swollen
Swollen valve (3) is selectively passed through second fluid in the second channel (102).
2. heat exchanger according to claim 1, which is characterized in that the heat exchange core body (1) includes upper cover plate (11), lamination
Group (12) and lower plate (13), the upper cover plate (11) are fixed at the top of the stack of laminations (12), the lower plate
(13) it is fixed at the lower section of the stack of laminations (12).
3. heat exchanger according to claim 2, which is characterized in that the stack of laminations (12) include S piece stack gradually it is folded
Piece, S >=5, odd number piece lamination and the lamination adjacent below seal to form the first space, even slice lamination and phase below
The adjacent lamination seals to form second space, and first space is isolated with the second space, and multiple described first is empty
Between connection constitute the first passage (101), multiple second spaces connections constitute the second channel (102).
4. heat exchanger according to claim 3, which is characterized in that the odd number piece lamination with it is adjacent described folded below
Piece passes through the first fit area (1201) respectively and the second fit area (1202) fit, first fit area (1201)
The two sides of the lamination are located at second fit area (1202), each first fit area (1201) opens up
Having first through hole (12011), each second fit area (1202) offers the second through-hole (12021), and multiple described
One through-hole (12011) is connected, and multiple second through-holes (12021) are connected, and multiple second spaces are connected to；Position
It is connected in the first through hole (12011) of top layer with the outlet of the expansion valve (3), positioned at second through-hole of top layer
(12021) it is connected with the entrance of the expansion valve (3).
5. heat exchanger according to claim 3, which is characterized in that the even slice lamination with it is adjacent described folded below
Piece passes through third fit area (1203) and the 4th fit area (1204) respectively and fits, the third fit area (1203)
The two sides of the lamination are located at the 4th fit area (1204), each third fit area (1203) opens up
Having third through-hole (12031), each 4th fit area (1204) offers fourth hole (12041), and multiple described
Three through-holes (12031) are connected, and multiple fourth holes (12041) are connected, and multiple first spaces are connected to；Position
It is connected in the third through-hole (12031) of bottom with the outlet of the water pump (2), positioned at the fourth hole of top layer
(12041) it is connected with first outlet pipe (14).
6. heat exchanger according to claim 4, which is characterized in that the heat exchanger further includes interpolation pipe (15), Duo Gesuo
It states first through hole (12011) and constitutes flow channel, the interpolation pipe (15) is arranged in the flow channel, the interpolation pipe
(15) top is connected with the outlet of the expansion valve (3), and at least partly described first through hole (12011) is towards the interpolation pipe
(15) being extended has first baffle, and to block the flow channel, the bottom end opening of the interpolation pipe (15) is located at the bottom
The first baffle lower section；Multiple second through-holes (12021) constitute flow pass, at least partly described second through-hole
(12021) being extended has second baffle, to block the flow pass；The quantity of the second baffle and the first baffle
Quantity it is identical, the first baffle and the second baffle are successively arranged alternately along the vertical direction, described the first of the bottom
Baffle is lower than the second baffle of the bottom.
7. heat exchanger according to claim 2, which is characterized in that the heat exchanger further includes connection pedestal (4), under described
Bottom plate (13) is fixed on the connection pedestal (4), is offered intercommunicating pore (41) on the connection pedestal (4), the water pump (2)
On be provided with the second outlet pipe (22), second outlet pipe (22) passes through the intercommunicating pore (41), and is plugged on described first
In channel (101).
8. heat exchanger according to claim 7, which is characterized in that second outlet pipe (22) and the intercommunicating pore (41)
Between be provided with sealing ring (221).
9. heat exchanger according to claim 7, which is characterized in that the heat exchange core body (1) and the connection pedestal (4) are logical
Slice weldering is crossed mutually to fix.
10. heat exchanger according to claim 7, which is characterized in that the heat exchanger further includes assembly bracket (5), described
Water pump (2), the assembly bracket (5) pass sequentially through fastener with the connection pedestal (4) and mutually fix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822188925.XU CN209310550U (en) | 2018-12-25 | 2018-12-25 | A kind of heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822188925.XU CN209310550U (en) | 2018-12-25 | 2018-12-25 | A kind of heat exchanger |
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| CN209310550U true CN209310550U (en) | 2019-08-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696065A (en) * | 2018-12-25 | 2019-04-30 | 上海加冷松芝汽车空调股份有限公司 | A kind of heat exchanger |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696065A (en) * | 2018-12-25 | 2019-04-30 | 上海加冷松芝汽车空调股份有限公司 | A kind of heat exchanger |
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