CN102170032A - Battery cooling/heating structure and battery assembly - Google Patents
Battery cooling/heating structure and battery assembly Download PDFInfo
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- CN102170032A CN102170032A CN201110024861XA CN201110024861A CN102170032A CN 102170032 A CN102170032 A CN 102170032A CN 201110024861X A CN201110024861X A CN 201110024861XA CN 201110024861 A CN201110024861 A CN 201110024861A CN 102170032 A CN102170032 A CN 102170032A
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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 invention provides a battery cooling/a heating structure and a battery assembly having the same, which can improve the heating efficiency of a battery. The battery cooling/heating structure (2) is composed in a manner that a plate (30) enabling a medium tube (33) to be integrated with a heater (40) abuts against a battery (10); refrigerant flows in the medium tube (33) to cool down the battery (10); the battery (10) is heated through charging the heater (40). A liquid storing pipe (50) is disposed at medium gateways (35a, 38a) of the plate (30) and has pipe distribution paths (50a, 50b) lower than the plate (30).
Description
Technical field
The present invention relates to a kind of being installed in the motor is hybrid vehicle or the battery cooling structure of the battery on the electric automobile and the battery component with this battery cooling structure of drive source.
Background technology
In the past, known have a following vehicle ' battery component, this battery component constitutes a plurality of battery assemblings is formed battery pack, as the countermeasure that prevents that this battery pack is aging, coldplate is installed on battery pack, the cold-producing medium of air conditioning for automobiles or the cold-producing medium of special-purpose refrigerator are flowed in this coldplate, thereby battery pack is cooled off (for example, with reference to patent documentation 1).In this battery component, countermeasure as the output reduction that prevents battery pack, on coldplate, set up for example heater, so that can the heating battery group when externally temperature is low, heat coldplate by switching on to this heater, conduct heat to battery pack from coldplate, thereby battery pack is heated.
Patent documentation 1: TOHKEMY 2008-181733 communique
Therefore in addition, air conditioning for automobiles also stops when the running of vehicle stops, and remains in liquid refrigerant in the coldplate and utilizes the heat that battery pack has and continue evaporation, and refrigerant vapour is discharged in the refrigerant piping from coldplate.But, when externally temperature is low, refrigerant vapour in the refrigerant piping condenses in refrigerant piping once more, be configured at coldplate under the situation of the position lower than refrigerant piping, the cold-producing medium that condenses once more utilizes its deadweight and turns back in the coldplate, becomes liquid refrigerant thus and accumulates in the interior state of coldplate.Even coldplate is configured under the situation of the position higher than refrigerant piping at vehicle interior, when vehicle is parked in the ramp or travels on the ramp etc., also have following situation, promptly coldplate is positioned at than the low position of refrigerant piping becomes the state that liquid refrigerant accumulates in coldplate.
Like this, under the state in liquid refrigerant accumulates in coldplate, when heating in the heater on being attached to coldplate energising and to battery, there are the following problems, promptly the liquid refrigerant in the coldplate become heat load and cause the efficiency of heating surface of battery heating poor.
Summary of the invention
In view of the foregoing, the object of the present invention is to provide a kind of can seek to improve the battery cooling structure of the efficiency of heating surface that battery is heated and battery component with this battery cooling structure.
To achieve these goals, in battery cooling structure of the present invention, to make incorporate plate of medium pipe arrangement and heater and battery butt, make cold-producing medium in the medium pipe arrangement, flow cool batteries, switch on to heating battery to heater, described battery cooling structure is characterised in that, in the medium gateway of described plate, dispose liquid storing tube (ト ラ Star Block), described liquid storing tube has the pipe arrangement path lower than this plate.
In this structure, can have the on-board air conditioner freeze cycle, the evaporator of described plate and this freeze cycle pipe arrangement in parallel is connected.And, also can have the on-board air conditioner freeze cycle, described plate is connected with the heat exchanger pipe arrangement of the low-temp. portion of being located at this freeze cycle.In addition, also can have special-purpose freeze cycle, substitute the evaporator of this freeze cycle and pipe arrangement is connected with described plate.
Battery component of the present invention constitutes a plurality of cell device assemblings is formed battery, with described battery outer in the inside of shell and form this battery component with side plate, base plate, described battery component is characterised in that, inboard at described shell, dispose medium pipe arrangement and heater is integrated and be connected to the plate of each cell device, the medium gateway pipe arrangement of described plate is stretched out upward, and disposing liquid storing tube in the medium gateway of described plate, described liquid storing tube has the pipe arrangement path lower than this plate.
In this structure, also can constitute described medium pipe arrangement and have a plurality of tabular pipe arrangements, each tabular pipe arrangement has a plurality of medium mobile medium streams of portion within it that make, one end of described tabular pipe arrangement is connected in inlet collector tube or the outlet collector tube that is communicated with described liquid storing tube, disposes described heater near described tabular pipe arrangement.
According to the present invention, in battery cooling structure of the present invention, to make incorporate plate of medium pipe arrangement and heater and battery butt, make cold-producing medium in the medium pipe arrangement, flow cool batteries, switch on to heating battery to heater, medium gateway at described plate, dispose liquid storing tube, described liquid storing tube has the pipe arrangement path lower than this plate, therefore, even the evaporation of the cold-producing medium in the medium pipe arrangement of plate and be discharged to the plate outside after condense once more, the cold-producing medium that condenses once more can not turn back in the plate yet, but accumulate in the liquid storing tube with pipe arrangement path lower than plate, this cold-producing medium does not become the unfavorable condition of heat load during heating plate so do not exist this cold-producing medium to accumulate in the plate.Therefore, have following effect, promptly can heat plate efficiently and conduct heat, thereby can improve the efficiency of heating surface the battery heating to battery.
Description of drawings
Fig. 1 is the schematic diagram of configuration structure of the battery component of expression present embodiment.
Fig. 2 is the perspective view of the structure of expression battery component.
Fig. 3 is the stereogram of the formation of expression battery cooling structure.
Fig. 4 is the schematic diagram of the structure of display plate.
Fig. 5 is the schematic diagram of configuration structure of the battery component of expression second execution mode.
Fig. 6 is the schematic diagram of configuration structure of the battery component of expression the 3rd execution mode.
Fig. 7 is the schematic diagram of configuration structure of the battery component of expression the 4th execution mode.
Fig. 8 is the schematic diagram of configuration structure of the battery component of expression the 5th execution mode.
Description of reference numerals
1 battery component
2 battery cooling structures
3 shells
The 3a side plate
The 3b base plate
The 3c lid
10 battery pack (battery)
11 cell devices (battery)
30 plates
33 medium pipe arrangements
35a, 38a tubing connection portion (medium gateway)
40 heaters
50 liquid storing tubes
50a, 50b pipe arrangement path
51 medium inlet pipe arrangements
52 media outlet pipe arrangements
60,70,90 freeze cycle
61,71 compressors
62,73 condensers
63,73 decompressors
64 evaporators
65 heat exchangers
100 vehicles
Embodiment
Below, with reference to the accompanying drawings embodiments of the present invention are described.
＜the first execution mode 〉
Fig. 1 represents to be parked in vehicles 100 such as the hybrid vehicle of upward trend or electric automobile.Usually, battery component 1 be configured in easy designs in the vehicle 100 be provided with the space pillion 101 rears the floor down or the rear portion attend a banquet 101 and boot 104 between.And battery component 1 has: battery pack 10; Plate 30, it is connected to battery pack 10, and battery pack 10 is heated/cools off, and this plate 30 is specifically narration subsequently; Battery cooling structure 2, itself and plate 30 are integrally formed.Plate 30 is communicated with medium inlet pipe arrangement 51 and media outlet pipe arrangement 52.Medium inlet pipe arrangement 51 and media outlet pipe arrangement 52 are connected with refrigerant piping 51a, 52a, refrigerant piping 51a, 52a under the floor of car chamber 102 by and extend to the engine room 103 that is disposed at vehicle 100 front portions, and this refrigerant piping 51a, 52a are connected with (air conditioning for automobiles) freeze cycle 60 pipe arrangements with on-board air conditioner in being installed in engine room 103, form the cool cycles 80 of battery component 1 thus.
Freeze cycle 60 constitutes by refrigerant pipe 60a with compressor 61, be connected with condenser 62, receiving tank 68, first decompressor 63, the evaporator 64 of the configuration in parallel of the radiator (not shown) of vehicle 100.Between the receiving tank 68 and first decompressor 63, be connected with refrigerant piping 51a via first open and close valve 54.And, between evaporator 64 and compressor 61, be connected with refrigerant piping 52a via second open and close valve 55.Refrigerant piping 51a is connected in medium inlet pipe arrangement 51 via second decompressor 53, and medium inlet pipe arrangement 51 is communicated with plate 30.Thus, second decompressor 53 and plate 30 are connected in freeze cycle 60 with the mode pipe arrangement in parallel with first decompressor 63 and evaporator 64.And, between the connecting portion of refrigerant piping 51a and refrigerant pipe 60a and first decompressor 63, be connected with the 3rd open and close valve 56.
Below, the work of present embodiment is described.
When making cool cycles 80 work, be prerequisite with the work of freeze cycle 60.Work during the cooling operation of freeze cycle 60 in carrying out car chamber 102, the temperature of the aftermentioned battery pack 10 that cool cycles 80 is had at battery component 1 reaches set point of temperature work when above.
During cooling operation in carrying out car chamber 102, first open and close valve 54 and second open and close valve 55 are closed, and freeze cycle 60 is carried out cooling operation.The cold-producing medium of circulation is compressed in compressor 61 and becomes the gas refrigerant of HTHP in freeze cycle 60, in condenser 62, condense and become the liquid refrigerant of cryogenic high pressure, in decompressor 63, become the liquid refrigerant of low-temp low-pressure through receiving tank 68, in evaporator 64, absorb the heat of car chamber 102 and evaporate, and then be sucked into once more in the compressor 61.
When carrying out cooling operation, under situation about need cool off to plate 30, first open and close valve 54, second open and close valve 55 and the 3rd open and close valve 56 are opened, and the part of the cold-producing medium of circulation in freeze cycle 60 is circulated in the cool cycles 80 of battery component 1, thereby plate 30 is cooled off.Specifically, promptly, be cooled and the liquid refrigerant that becomes cryogenic high pressure is imported into refrigerant piping 51a through first open and close valve 54 by condenser 62, be depressurized in second decompressor 53 by refrigerant piping 51a, and flow in the plates 30 from medium inlet pipe arrangement 51.In plate 30, flow and to plate 30 cool off and the cold-producing medium that evaporates outside media outlet pipe arrangement 52 flows to plate 30, flow in the mode of passing through from refrigerant piping 52a, and converge with the cold-producing medium that freeze cycle 60 in, circulates in the downstream of evaporator 64 through second open and close valve 55, be sucked into afterwards in the compressor 61.
When cooling operation stops, under situation about need cool off, first open and close valve 54 and second open and close valve 55 being opened, the 3rd open and close valve 56 is closed plate 30.When driving the compressor 61 of freeze cycle 60, cold-producing medium circulates in cool cycles 80 through condenser 62 and receiving tank 68, and plate 30 is cooled off.Because the 3rd open and close valve 56 is closed, so cold-producing medium flows in the mode of walking around first decompressor 63 and evaporator 64.
As shown in Figure 2, battery component 1 constitutes to have: shell 3, and it is roughly airtight, and has side plate 3a, base plate 3b and lid 3c; Battery pack (battery) 10, it is incorporated in the inside of this shell 3; Battery cooling structure 2, it is incorporated in the inside of this shell 3, and is installed on this battery pack 10, is used for cooling battery pack 10.Battery component 1 also can be the structure that a plurality of battery pack 10 are disposed side by side in the inside of shell 3.
And battery pack 10 is by being bundled in together with lower member: the fixed frame 12a, the 12b that dispose about the orientation with respect to cell device 11; End plate 12c, 12d with respect to configuration before and after the orientation of cell device 11.
Medium inlet pipe arrangement 51, media outlet pipe arrangement 52 with respect to the orientation of battery pack 10 forwardly side pass through, generally perpendicularly extend towards lid 3c from the base plate 3b side of shell 3,3c stretches out to the top of shell 3 from lid, and is connected with refrigerant piping 51a, 52a in the outside of shell 3.And medium inlet pipe arrangement 51, media outlet pipe arrangement 52 are disposed at the two edges side (with reference to figure 2) of the plate 30 that extends before and after the orientation of battery pack 10.
Thus, the cold-producing medium that flows in the battery component 1 from medium inlet pipe arrangement 51 enters plate 30 by liquid storing tube 50 from tubing connection portion 35a, the cold-producing medium that the mode of passing through with the inside of slave plate 30 flows flows out from tubing connection portion 38a, once more by liquid storing tube 50 outside media outlet pipe arrangement 52 flows out to battery component 1.
The matched tube structure of Fig. 3 display plate 30 inside concerns with the position of the liquid storing tube 50 with pipe arrangement path of being located at plate 30 belows.As shown in Figure 3, battery cooling structure 2 roughly constitutes and has: plate 30; Liquid storing tube 50, it has pipe arrangement path 50a, the 50b that is located at plate 30 belows; Medium inlet pipe arrangement 51, media outlet pipe arrangement 52, it is communicated with pipe arrangement path 50a, the 50b of liquid storing tube 50, and cold-producing medium is flowed in plate 30.
As shown in Figures 3 and 4, one distolateral 34 of tabular pipe arrangement 33a, 33b be connected in inlet collector tube (inlet ヘ Star ダ) 35.Inlet collector tube 35 forms the general cylindrical shape shape, has hollow structure, is provided with the tubing connection portion 35a that is connected in pipe arrangement path 50a in the substantial middle portion of length direction of inlet collector tube 35.On the outlet collector tube 38 that Width and inlet collector tube 35 towards plate 30 are set up in parallel, be connected with one distolateral 34 of tabular pipe arrangement 33c, 33d.Outlet collector tube 38 forms the general cylindrical shape shape, has hollow structure, is provided with the tubing connection portion 38a that is connected in pipe arrangement path 50b in the substantial middle portion of length direction of outlet collector tube 38.
On the other hand, at another of tabular pipe arrangement 33a, 33b, 33c, 33d on distolateral 36, collector tube 37 in the middle of being connected with, middle collector tube 37 is same with inlet collector tube 35 and outlet collector tube 38, forms the general cylindrical shape shape, and has hollow structure.
Near tabular pipe arrangement 33a, 33b, 33c, 33d, along the length direction of plate 30 having heaters 40 that is arranged in parallel, thus, forming laminal plate 30 inside, in same plane, one is arranged with medium pipe arrangement 33 and heater 40.Under the situation, for the output that prevents battery component 1 descends, need heating battery element 11 when externally temperature is low etc., when heating battery element 11, coldplate 30 is heated in 40 energisings to heater, and this heat transferred heats it to cell device 11.
Below plate 30, dispose pipe arrangement path 50a and pipe arrangement path 50b. Pipe arrangement path 50a, 50b form U-shaped, and be sinuous along the length direction of plate 30.The end of pipe arrangement path 50a is communicated with medium inlet pipe arrangement 51 at the downside of plate 30, and the other end is connected in the tubing connection portion 35a of the inlet collector tube 35 that plate 30 had.On the other hand, the end of pipe arrangement path 50b is communicated with medium inlet pipe arrangement 52 at the downside of plate 30, and the other end is connected in the tubing connection portion 38a of the outlet collector tube 38 that plate 30 had.
According to this structure, owing to take in battery pack 10 in the lump in the inside of the shell 3 of battery component 1 and this battery pack 10 carried out the battery cooling structure 2 of cooling, therefore when carrying out the installation exercise of battery component 1, medium inlet pipe arrangement 51, the media outlet pipe arrangement 52 that stretches out from shell 3 refrigerant piping 51a, 52a can be connected in, thereby the installation exercise of battery component 1 can be simplified.
And, on tubing connection portion 35a, the 38a of plate 30, be connected with liquid storing tube 50 with pipe arrangement path of being located at plate 30 belows, owing to all be accommodated in the inside of shell 3 in the lump with upper-part, therefore need not to accumulate the liquid storing tube structure of the cold-producing medium after condensing in the outer setting of shell 3, can improve the stringing operation of pipe arrangement, the cold-producing medium after preventing to condense accumulates in plate 30 inside.Thus, the efficiency of heating surface in the time of can improving heating plate 30.
＜the second execution mode 〉
Fig. 5 represents to be parked in vehicles 100 such as the hybrid vehicle of upward trend or electric automobile.In addition, in the following description, the parts that illustrate are in the first embodiment marked same Reference numeral, omit its explanation.
In this embodiment, compare the allocation position difference of liquid storing tube 45 with the execution mode of Fig. 1.Liquid storing tube 45 is not the inside that is configured in battery component 1, but is disposed at medium inlet pipe arrangement 51c and media outlet pipe arrangement 52c.
Medium inlet pipe arrangement 51c and media outlet pipe arrangement 52c are connected in the plate 30 that battery component 1 is had, to stretch out from battery component 1 with the mode of plate 30 almost parallels.Medium inlet pipe arrangement 51c and media outlet pipe arrangement 52c are communicated with the liquid storing tube 45 that is made of pipe arrangement path 45a, 45b, and wherein pipe arrangement path 45a, 45b are provided with along the length direction of battery component 1 bottom surface is sinuous at the downside of battery component 1.In the place ahead of battery component 1, pipe arrangement path 45a, 45b are connected with the refrigerant piping 51a, the 52a that are located at liquid storing tube 45 tops.
According to this structure, owing to will accumulate in the outside that the liquid storing tube 45 of the cold-producing medium that condenses once more in the refrigerant piping is arranged on battery component 1, therefore can make battery component 1 miniaturization, improve the setting property of battery component 1.
＜the three execution mode 〉
Fig. 6 represents to be parked in vehicles 100 such as the hybrid vehicle of upward trend or electric automobile.In addition, in the following description, the parts that illustrate are in the first embodiment marked same Reference numeral, omit its explanation.
On-board air conditioner constitutes by refrigerant pipe 60a with freeze cycle 70 compressor 61, condenser 62, receiving tank 68, decompressor 63, heat exchanger 65 and evaporator 64 is connected.Be connected with bypass pipe arrangement 71 between heat exchanger 65 and evaporator 64, in the downstream of evaporator 64, bypass pipe arrangement 71 is connected in refrigerant pipe 60.Bypass pipe arrangement 71 has the 4th open and close valve 57.And,, dispose the 5th open and close valve 58 at the refrigerant inlet of evaporator 64.In freeze cycle 70, heat exchanger 65 is located at the downstream of decompressor 63 and the liquid refrigerant that stream has low-temp low-pressure.
In addition, on heat exchanger 65, be connected with refrigerant piping 51b, 52b, on refrigerant piping 51b, 52b, be connected with the medium inlet pipe arrangement 51, the media outlet pipe arrangement 52 that are communicated with plate 30, formed the cool cycles 81 of battery component 1 thus.On refrigerant piping 51b, be connected with pump 5, the cold-producing medium in the cool cycles 81 circulates by pump 5.
Therefore, the cold-producing medium of circulation carries out heat exchange with the cold-producing medium of circulation in the cool cycles 81 of battery component 1 in heat exchanger 65 in freeze cycle 70, the low-temperature refrigerant that is cooled by the cold-producing medium that circulates in freeze cycle 70 flows in plate 30 through refrigerant piping 51b, 52b, plate 30 is cooled off, thereby battery component 1 is cooled off.
Below, the work of present embodiment is described.
During cooling operation in carrying out car chamber 102, the running of pump 5 stops, and carries out cooling operation.The cold-producing medium of circulation is compressed in compressor 61 and becomes the gas refrigerant of HTHP in freeze cycle 70, the gas refrigerant of this HTHP condenses in condenser 62 and becomes the liquid refrigerant of cryogenic high pressure, the liquid refrigerant of this cryogenic high pressure becomes the liquid refrigerant of low-temp low-pressure in decompressor 63 through receiving tank 68, the liquid refrigerant of this low-temp low-pressure flows in the mode by heat exchanger 65, and in evaporator 64, absorb the heat of car chamber 102 and evaporate, and then be sucked into once more in the compressor 61.
When carrying out cooling operation, under situation about need cool off to plate 30, driving pump 5, thus the cold-producing medium in the cool cycles 81 is circulated in the mode by plate 30 and heat exchanger 65.On-board air conditioner with freeze cycle 70 in cold-producing medium and the cool cycles 81 of circulation at battery component 1 cold-producing medium of circulation in heat exchanger 65, carry out heat exchange, so the cold-producing medium that circulates in cool cycles 81 becomes low temperature.Become that refrigerant of low temperature is utilized pump 5 and in plate 30, flow by heat exchanger 65, so plate 30 is cooled.The cold-producing medium of circulation absorbs heat in heat exchanger 65 and evaporator 64 in freeze cycle 70, is sucked under superheat state in the compressor 61.
When cooling operation stopped, under situation about need cool off plate 30, the 4th open and close valve 57 was opened, and the 5th open and close valve 58 is closed, driving pump 5.The compressor 61 of freeze cycle 70 is driven, so cold-producing medium passes through from bypass pipe arrangement 71 with through condenser 62, receiving tank 68, first decompressor 63 and mobile by the mode of heat exchanger 65, is sucked into once more in the compressor 61.And the cold-producing medium in the cool cycles 81 is to circulate by the mode of plate 30 with heat exchanger 65, and the cold-producing medium of circulation carries out heat exchange and becomes low temperature in heat exchanger 65 and in freeze cycle 70.
According to this structure, when carrying out cooling operation, do not make on-board air conditioner with freeze cycle 70 in the circulation part of refrigerant branch in the cool cycles 80 of battery, but make the cold-producing medium that circulates in cold-producing medium and the cool cycles 81 of circulation in freeze cycle 70 at on-board air conditioner in heat exchanger 65, carry out heat exchange at battery component 1, make in cool cycles 81 cold-producing medium of circulation become low temperature and mobile plate 30 in, thereby can cool off plate 30.And, since freeze cycle 70 in the cold-producing medium of circulation in the mode of passing through from heat exchanger 65 and evaporator 64 mobile and be sucked into compressor 61 before become superheat state, therefore can prevent from compressor 61, to produce liquid compression, thereby can improve the energy efficiency of freeze cycle 70.
Thus, branch to the part of refrigerant that makes in freeze cycle 70 circulation and to come the situation of coldplate 30 to compare in the plate 30, not only can reduce the load of freeze cycle 70, and can improve the energy efficiency of freeze cycle 70, thereby can cool off plate 30 efficiently.
And, when cooling operation stops, under situation about need cool off to plate 30 since the cold-producing medium in the freeze cycle 70 from bypass pipe arrangement 71 by walking around evaporator 64, therefore can not absorb the heat in the car chamber 102, can in car chamber 102, not blow cold wind meaninglessly.
＜the four execution mode 〉
Fig. 7 represents to be parked in vehicles 100 such as the hybrid vehicle of upward trend or electric automobile.In addition, in the following description, the parts that illustrate are marked same Reference numeral in first execution mode, second execution mode or the 3rd execution mode, omit its explanation.
In this embodiment, compare the allocation position difference of liquid storing tube 46 with the execution mode of Fig. 6.Liquid storing tube 46 is not the inside that is configured in battery component 1, but is disposed at medium inlet pipe arrangement 51c and media outlet pipe arrangement 52c.
Medium inlet pipe arrangement 51c and media outlet pipe arrangement 52c are connected in the plate 30 that battery component 1 is had, to stretch out from battery component 1 with the mode of plate 30 almost parallels.In the outside of battery component 1, medium inlet pipe arrangement 51c and media outlet pipe arrangement 52c are connected in pipe arrangement path 46a, 46b. Pipe arrangement path 46a, 46b form roughly U-shaped, the one end is connected in medium inlet pipe arrangement 51c and media outlet pipe arrangement 52c, the other end is connected in refrigerant piping 51b, 52b, pipe arrangement path 46a, 46b extend downwards in the mode of approximate vertical from connecting portion separately, thereby form liquid storing tube 46.
According to this structure, owing to will accumulate the outside that the liquid storing tube 46 of cold-producing medium is arranged on battery component 1, therefore can make battery component 1 miniaturization, improve the setting property of battery component 1.
In addition, in the 3rd execution mode and the 4th execution mode, the temperature of the cold-producing medium of circulation in cool cycles 81 is changed in heat exchanger 65 and plate 30, utilize the sensible heat of cold-producing medium that plate 30 is cooled off.By 40 pairs of plates of heater 30 heating the time, the temperature of the cold-producing medium in the plate 30 becomes high temperature and proportion reduces.Under the situation that does not dispose liquid storing tube 50 (Fig. 3) or liquid storing tube 46, the cold-producing medium that proportion reduces the either party from medium inlet pipe arrangement 51, media outlet pipe arrangement 52 rise, and flow out plate 30.Refrigerant of low temperature enters in the plate 30 from the opposing party's medium inlet pipe arrangement 51 or media outlet pipe arrangement 52 thereupon.Therefore, the efficiency of heating surface during heating plate 30 reduces.
In the 3rd execution mode and the 4th execution mode, owing to below plate 30, dispose liquid storing tube 50 or the liquid storing tube 46 that is communicated with plate 30, even the proportion of the cold-producing medium in the plate 30 reduces because of the heating to plate 30, also can prevent moving of cold-producing medium, thereby the efficiency of heating surface is reduced by liquid storing tube 50 or liquid storing tube 46.
＜the five execution mode 〉
Fig. 8 represents to be parked in vehicles 100 such as the hybrid vehicle of upward trend or electric automobile.In addition, in the following description, the parts that illustrate are marked same Reference numeral in first execution mode or second execution mode, omit its explanation.
The freeze cycle 90 of present embodiment is not the on-board air conditioner freeze cycle, but is the freeze cycle 90 of battery cooling structure 2 configurations specially.Freeze cycle 90 be configured in underfloor battery component 1 adjacency at pillion 102 rears, and it is inferior to be arranged on the floor of boot 104.According to this structure, can dispose freeze cycle 90 in mode and shorten pipe arrangement, thereby improve the stringing operating efficiency of refrigerant piping with battery cooling structure 2 adjacency, and, the thermal loss that minimizing produces in pipe arrangement, the cooling effectiveness of raising battery cooling structure 2.
According to this structure, owing to can not utilize special-purpose freeze cycle 90 to cool off with freeze cycle 60 (70) by on-board air conditioner, therefore do not carry out under the situation of on-board air conditioner with the running of freeze cycle 60 (70) for not needing at for example outside air temperature, need not to make the compressor 61 of the height output that on-board air conditioner uses to drive for cool batteries assembly 1.When carrying out the cooling of battery component 1, owing to can make the compressor 71 of the low output of special-purpose freeze cycle 90 drive coldplate 30, therefore, drive the situation of coldplate 30 to compare with the compressor 61 that makes on-board air conditioner with freeze cycle 60 (70), can improve the complex energy efficient of vehicle 100.And, owing to can reduce the load of freeze cycle 60 (70), when therefore externally temperature is high, can coldplate 30 and the air-conditioner efficiency of car chamber 102 is descended.
And, in this structure, be configured in the inside of battery component 1 liquid storing tube 47 also can illustrate in first execution mode.
As described above described, according to present embodiment, to make medium pipe arrangement 33 and heater 40 incorporate plates 30 be connected to cell device 11, cold-producing medium is flowed and cool batteries element 11 in medium pipe arrangement 33, switch on and heating battery 10 to heater 40, in having the battery cooling structure 2 of above structure, because in the medium gateway of plate 30 is tubing connection portion 35a, 38a disposes liquid storing tube 47, described liquid storing tube 47 has the pipe arrangement path 47a lower than plate 30,47b, therefore, even remaining in the medium pipe arrangement 33 interior cold-producing mediums of plate 30 evaporates because of the heat of cell device 11 when vehicle 100 stops, be discharged to plate 30 outsides, and be cooled in plate 30 outsides and condense once more, cold-producing medium after condensing once more can not flow back to medium pipe arrangement 33 yet, has the pipe arrangement path 50a lower than plate 30 but accumulate in, in the liquid storing tube 50 of 50b.And, when heating plate 30, even remaining in cold-producing mediums in the medium pipe arrangement 33 of plate 30 utilizes the heat of heater 40 and evaporates, be discharged to the outside of plate 30, and be cooled in plate 30 outsides and condense once more, cold-producing medium after condensing once more can not flow back to medium pipe arrangement 33 yet, but accumulates in the liquid storing tube 50 with pipe arrangement path 50a, the 50b lower than plate 30.Therefore do not exist cold-producing medium to accumulate in the medium pipe arrangement 33 of plate 30 and when plate heated this cold-producing medium become the unfavorable condition of heat load.Thus, can heat plate 30 efficiently and conduct heat, thereby can improve the efficiency of heating surface cell device 11 heating to cell device 11.
And, according to present embodiment, because the evaporator 61 that plate 30 and on-board air conditioner are had with freeze cycle 60 pipe arrangement in parallel is connected, so the part of refrigerant that circulates in freeze cycle 60 can be shunted, and refrigerant of low temperature is flowed directly in the medium pipe arrangement 33 of plate 30.Therefore, by with plate 30 and on-board air conditioner with freeze cycle 60 such simple structure that is connected in parallel, coldplate 30 rapidly, and cell device 11 is cooled off.
In addition, according to present embodiment, owing to be provided with heat exchanger 65 with the low-temp. portion of freeze cycle 70 at on-board air conditioner, plate 30 is connected with these heat exchanger 65 pipe arrangements, therefore will not branch in the cool cycles 81 of battery component 1 in the part of refrigerant that on-board air conditioner circulates in freeze cycle 70, can make on-board air conditioner with freeze cycle 70 in the cold-producing medium of circulation in heat exchanger 65, carry out heat exchange with the cold-producing medium that cool cycles 81 in, circulates, thereby make the cold-producing medium of circulation in cool cycles 81 become low temperature, utilize this cold-producing medium that plate 30 is cooled off.Therefore, in freeze cycle 70 cold-producing medium of circulation flow in the mode of passing through from heat exchanger 65 and evaporator 64 and be inhaled into compressor 61 before reach superheat state, so can prevent from compressor 61, to produce liquid compression, can improve the energy efficiency of freeze cycle 70.Thus, branch to the part of refrigerant that makes in freeze cycle 70 circulation and to come the situation of coldplate 30 to compare in the plate 30, not only can reduce the load of freeze cycle 70, and can improve the energy efficiency of freeze cycle 70, efficiently plate 30 is cooled off.
In addition, according to present embodiment, battery cooling structure 2 has special-purpose freeze cycle 90, and freeze cycle 90 is connected in plate 30 with compressor 71, condenser 72, decompressor 73 pipe arrangements and constitutes.Thus, in freeze cycle 90, plate 30 plays the effect of evaporator.Therefore the compressor 71 of freeze cycle 90 is compared with freeze cycle 60,70 compressors that had 61 with on-board air conditioner owing to only be used for being compressed in the cold-producing medium that plate 30 flows, and belongs to the compressor of low output, and it is few to make it drive required electric power.So for example externally temperature does not carry out under the situation of on-board air conditioner with the running of freeze cycle 60 (70) for not needing, freeze cycle 90 runnings are cooled off plate 30, can improve the complex energy efficient of vehicle 100.And, when externally temperature is high, can cool off plate 30, thereby the air-conditioner efficiency of car chamber 102 is descended in the mode that freeze cycle 60,70 is not applied load.
And, owing to can make freeze cycle 90 and the 2 adjacency configurations of battery cooling structure, therefore can shorten the pipe arrangement that connects freeze cycle 90 and battery cooling structure 2, thereby can improve the stringing operating efficiency of refrigerant piping, and, the thermal loss that minimizing produces in pipe arrangement, the cooling effectiveness of raising battery cooling structure 2.
And, according to present embodiment, a plurality of cell device 11 assemblings are formed battery pack 10, battery pack 10 is accommodated in has side plate 3a, the inside of the shell 3 of base plate 3b and form battery component 1, inboard at shell 3, configuration is integrated and be connected to the plate 30 of each cell device 11 with medium pipe arrangement 33 and heater 40, make the medium inlet pipe arrangement 51 of plate 30, media outlet pipe arrangement 52 stretches out from the top of shell 3, in the medium gateway of plate 30 is tubing connection portion 35a, 38a, configuration liquid storing tube 50, this liquid storing tube 50 has the pipe arrangement path 50a lower than plate 30,50b, therefore, inside at shell 3 is provided with the liquid storing tube structure of accumulating the cold-producing medium that condenses, need not to consider stringing operation, can prevent that this cold-producing medium becomes heat load when cold-producing medium accumulates in the medium pipe arrangement 33 of plate 30 and heats, so can improve the stringing operation of the pipe arrangement of battery component 1 at the pipe arrangement of shell 3 outsides, and can heat plate 30 efficiently, improve the efficiency of heating surface cell device 11 heating.
And, according to present embodiment, medium pipe arrangement 33 has a plurality of tabular pipe arrangement 33a, 33b, 33c, 33d, each tabular pipe arrangement 33a, 33b, 33c, 33d has a plurality of medium mobile medium streams 32 of portion within it that make, tabular pipe arrangement 33a, 33b, 33c, the end of 33d is connected in inlet collector tube 35 or the outlet collector tube 38 that is communicated with liquid storing tube 50, at each tabular pipe arrangement 33a, 33b, 33c, the both sides of 33d, dispose heater 40, therefore, multithread road formula heat exchanger with a plurality of medium streams 32 is that plate 30 can make cold-producing medium flow in this medium stream 32, efficiently plate 30 is cooled off.In addition, because a plurality of medium streams 32 converge at inlet collector tube that is communicated with liquid storing tube 50 or outlet collector tube place, therefore the cold-producing medium in the medium stream 32 condenses once more after flush distillation and accumulates in the liquid storing tube 50, the cold-producing medium that condenses does not once more accumulate in the medium stream 32, it becomes heat load during heating so can prevent in cold-producing medium accumulates in medium pipe arrangement 33, thereby can heat plate 30 efficiently.In addition, because in the both sides of each tabular pipe arrangement 33a, 33b, 33c, 33d, dispose heater 40 along the length direction of plate 30, therefore, during heating plate 30, can utilize heater 40 equably the plate face 31 of plate 30 to be heated, thereby improve the efficiency of heating surface cell device 11 heating.
More than, based on execution mode the present invention has been described, but the present invention is not limited to above-mentioned execution mode.In the present embodiment, the pipe arrangement path 50a, the 50b that constitute liquid storing tube 50 form U-shaped, but are not limited thereto, also can be so that pipe arrangement and plate 30 almost parallels and repeatedly sinuous mode are provided with pipe arrangement path 50a, 50b.Certainly, also can other matched tube structure etc. suitably be changed.
Claims (6)
1. battery cooling structure, it will make medium pipe arrangement and incorporate plate of heater and battery butt, make cold-producing medium flow cool batteries in the medium pipe arrangement, switch on to heating battery to heater, and described battery cooling structure is characterised in that,
Medium gateway at described plate disposes liquid storing tube, and described liquid storing tube has the pipe arrangement path lower than this plate.
2. battery cooling structure according to claim 1 is characterized in that having the on-board air conditioner freeze cycle, and the evaporator of described plate and this freeze cycle pipe arrangement in parallel is connected.
3. battery cooling structure according to claim 1 is characterized in that having the on-board air conditioner freeze cycle, and described plate is connected with the heat exchanger pipe arrangement of the low-temp. portion of being located at this freeze cycle.
4. battery cooling structure according to claim 1 is characterized in that, has special-purpose freeze cycle, substitutes the evaporator of this freeze cycle and pipe arrangement is connected with described plate.
5. battery component, it constitutes a plurality of cell devices assemblings is formed battery, and described battery outer is formed this battery component in the inside of the shell with side plate, base plate, and described battery component is characterised in that,
Inboard at described shell, dispose medium pipe arrangement and heater is integrated and be connected to the plate of each cell device, the medium gateway pipe arrangement of described plate is stretched out upward, and dispose liquid storing tube in the medium gateway of described plate, described liquid storing tube has the pipe arrangement path lower than this plate.
6. battery component according to claim 5, it is characterized in that, described medium pipe arrangement has a plurality of tabular pipe arrangements, each tabular pipe arrangement has a plurality of medium mobile medium streams of portion within it that make, one end of described tabular pipe arrangement is connected in inlet collector tube or the outlet collector tube that is communicated with described liquid storing tube, disposes described heater near described tabular pipe arrangement.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010041986A JP2011181224A (en) | 2010-02-26 | 2010-02-26 | Battery cooling/heating structure and battery module |
| JP041986/10 | 2010-02-26 |
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| Publication Number | Publication Date |
|---|---|
| CN102170032A true CN102170032A (en) | 2011-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110024861XA Pending CN102170032A (en) | 2010-02-26 | 2011-01-24 | Battery cooling/heating structure and battery assembly |
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| Country | Link |
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| JP (1) | JP2011181224A (en) |
| CN (1) | CN102170032A (en) |
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| CN107591501A (en) * | 2016-07-07 | 2018-01-16 | 三星Sdi株式会社 | Battery module carrier, battery module and the vehicle with battery system |
| CN113632278A (en) * | 2019-03-29 | 2021-11-09 | 松下电器产业株式会社 | Conveying roller of electrode body |
| CN114614152A (en) * | 2022-03-22 | 2022-06-10 | 深圳市科信通信技术股份有限公司 | Battery box and radiator thereof |
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| JP2011181224A (en) | 2011-09-15 |
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