CN103192675B - A kind of automotive air-conditioning system - Google Patents
A kind of automotive air-conditioning system Download PDFInfo
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- CN103192675B CN103192675B CN201210001672.5A CN201210001672A CN103192675B CN 103192675 B CN103192675 B CN 103192675B CN 201210001672 A CN201210001672 A CN 201210001672A CN 103192675 B CN103192675 B CN 103192675B
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Abstract
Automotive air-conditioning system has: refrigeration mode, heating mode, demist pattern, deice mode, battery pre-warm pattern totally five kinds of mode of operations, comprise heat generating components temperature control loop and heat pump, wherein refrigerant circulation circuit and heat generating components temperature control loop carry out heat exchange by dual channel heat exchanger, the first flow of dual channel heat exchanger is communicated with refrigerant circulation circuit, and the second runner of dual channel heat exchanger is communicated with heat generating components temperature control loop; Heat generating components temperature control loop can select heat generating components carry out cooling or heat; The heat generating components such as battery are worked in normal temperature range, to keep relatively high efficiency.
Description
Technical field
The present invention relates to automobile air conditioning technology field, particularly a kind of electric automobile air-conditioning system.
Background technology
Along with the development of low-carbon economy, energy-saving and emission-reduction have been proposed to stricter requirement, electric automobile due toThere is the feature of energy-conserving and environment-protective, become one of development of automobile aspect from now on. But electric automobile is owing to using battery to doFor power resources, its air-conditioning system is also different from original automotive air-conditioning system.
Along with improving constantly of quality of the life, the comfort level in automobile bodies is also more and more subject to people's attention,Traditional internal combustion engine type automobile, can utilize the waste heat of internal combustion engine and the heat of engine exhaust to carry out vehicle cabin,And the power of electric automobile mainly comes from motor, the heat that has lacked engine can utilize, thereby is difficult toReach the heating requirement in winter. In prior art, for the temperature realizing in the compartment of electric automobile remains onThe temperature that human body sensory is comfortable, some employings various ways in compartment, heat, as adopt independent thermal source,Utilize PTC heating; Or utilize the fuel heating such as gasoline, kerosene, ethanol; Also the employing having is reclaimedEquipment waste heat, the more auxiliary independent thermal source that adopts; The employing heat pump also having ensures temperature in compartment etc.
But, in above-mentioned various mode of heatings, if adopt independent thermal source, such as: purely use PTC to enterRow heating, needs to consume the energy of more battery, and then can reduce the distance travelled of automobile; If adopt combustionMaterial heating, not only the efficiency of heating surface is lower, but also can environment be produced and be polluted, and can increase the negative of automobile simultaneouslyCarry. In addition, in current air conditioning for automobiles, blowing cold air in compartment when demist can be made in the time that weather is relatively coldBecome uncomfortable in compartment.
If denomination of invention is the invention that electric automobile heat-pump system, application number are 200510027576.8, justAdopt heat pump electric automobile is carried out to temperature control, but in this air-conditioning for demist pattern, defrosting modeHave certain limitation, in winter, near dew-point temperature car inner glass is during higher than the temperature of outside glass,Can produce fog, the sight line to driver and exerting an influence. And when the temperature outside car is during lower than zero degree, mayRain or snow amass on the surface of car external heat exchanger, and while causing heating operation, Energy Efficiency Ratio reduces. So,For air conditioning for automobiles, need to there be demist and deicing function, in the time of needs demist and deicing, in this patentCan not open internal condensation device and inner evaporator simultaneously; And can only open separately at most inner evaporator,Start refrigeration mode, can cause that like this temperature in car reduces, the comfort level in car is had a greatly reduced quality; And it is anotherIn this patent, do not arrange the cooling of the heat generating components such as battery or the equitemperature control of heating, thereby want shadow outward,Ring the service life of the heat generating components such as distance travelled and battery of automobile.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of electric automobile air-conditioning system, makes electric automobile air conditionerSystem can be moved under round-the-clock complicated weather, and provides demist pattern, deice mode, battery pre-Warm pattern all can realize heat generating components (such as motor inverter, battery etc.) in the time of arbitrary mode of operationTemperature control, the heat generating components such as battery are worked in normal temperature range, to keep relatively highEfficiency, and can ensure the optimization of the cost performance (initial cost, operating cost and performance) of air-conditioning system.The present invention is by the following technical solutions:
A kind of automotive air-conditioning system, comprises heat generating components temperature control loop and the heat pump system with refrigerant circulation circuitSystem, wherein refrigerant circulation circuit and heat generating components temperature control loop carry out heat exchange by dual channel heat exchanger,The first flow of described dual channel heat exchanger is communicated with refrigerant circulation circuit, second of dual channel heat exchangerRunner is communicated with heat generating components temperature control loop;
Described automotive air-conditioning system has: refrigeration mode, heating mode, demist pattern, deice mode, electricityPond pre-warm pattern is totally five kinds of mode of operations, described sending out under four kinds of mode of operations except battery pre-warm patternThermal part temperature control loop all can conducting carry out cooling to heat generating components;
Described heat pump comprises compressor, is positioned at vapour liquid separator, setting respectively before compressor inletTo provide the heater of heat in compartment and in compartment, provide cold cooler, be positioned at the car outside compartmentRailway carriage or compartment outer heat-exchanger, two choke valves: first throttle valve and the second choke valve; Described heater and coolerCarry out heat supply, cooling or demist to described compartment according to the operating mode demand in compartment; Hand over heat outside described compartmentParallel operation has been arranged in parallel bypass flow path: the second bypass flow path;
The refrigerant of described air-conditioning system first leads to described heater from compressor out, goes out at described heaterAfter coming, refrigerant is divided into two-way, and this two-way can pass through to control wherein Yi road of selective conducting: wherein the first via is logicalAfter the second bypass flow path of compartment outer heat-exchanger and/or described compartment outer heat-exchanger, pass through first throttleValve throttling;
Described heater out after, other the second road refrigerant is described two by leading to after the second choke valve throttlingThe first flow of runner heat exchanger or the bypass flow path of leading to the first flow of described dual channel heat exchanger;Or the second road refrigerant described heater out after not throttling, directly lead to described dual channel heat exchangerFirst flow.
Preferably, be arranged in parallel bypass flow path with described the second choke valve: the 3rd bypass flow path, describedIn three bypass flow path, be provided with the second magnetic valve for controlling the break-make of described bypass flow path, described the 3rd bypassThe conducting in the time of battery pre-warm pattern of the second magnetic valve of stream.
Preferably, in the refrigerant circulation circuit of described heat pump, from described heater out twoIn pipeline, wherein first via conducting under refrigeration mode, demist pattern, these three kinds of patterns of deice mode, thisTime refrigerant by the throttling of first throttle valve; The conducting under heating mode, battery pre-warm pattern of the second tunnel, in systemUnder heat pattern, first carry out throttling by the second choke valve, and refrigerant does not pass through second section under battery pre-warm patternStream valve carries out throttling, but by the 3rd bypass flow path and by the throttling of first throttle valve.
Preferably, be provided with the first bypass flow path for described first throttle valve, in the time of heating mode described inOne choke valve and the optionally conducting of described the first bypass flow path, in the time of heating mode, air-conditioning system can, also can first pass through the throttling for the first time of the second choke valve, pass through first again by the second choke valve throttling with onlyChoke valve second throttle.
Preferably, in described the first bypass flow path being arranged in parallel with described first throttle valve, be provided with the first electricityMagnet valve is controlled the break-make of described the first bypass flow path.
Preferably, in the pipeline after described heater, be provided with three-way solenoid valve, three-way solenoid valve is used forControl and lead to the first via of described compartment outer heat-exchanger direction or lead to the second tunnel of described the second choke valveIn a wherein road conducting, and another road cuts off;
Alternatively, in the first via being divided at described heater refrigerant out and this two-way of the second road, establish respectivelyBe equipped with magnetic valve, with wherein Yi road of selective conducting.
Alternatively, under refrigeration mode, these two kinds of patterns of demist pattern, refrigerant is first logical out from compressorTo described heater, then lead to heat exchange outside compartment outer heat-exchanger and/or described compartment by the first viaThe second bypass flow path of device, then, by the throttling of described first throttle valve, the refrigerant after throttling is divided into two-way,Wherein lead up to the first flow of dual channel heat exchanger, separately lead up to described cooler, and then convergeClose and get back to described vapour liquid separator; First flow by described dual channel heat exchanger or described coolerThe ratio of refrigerant is by three way flow control valve control or pass through the first-class of dual channel heat exchanger in parallelThe solenoid electric valve control arranging respectively in these two groups of pipelines of road and described cooler.
Preferably, under refrigeration mode, these two kinds of patterns of demist pattern, refrigerant is first logical out from compressorTo described heater, then lead to heat exchange outside compartment outer heat-exchanger and/or described compartment by the first viaThe second bypass flow path of device, then, by the throttling of described first throttle valve, the refrigerant after throttling is divided into two-way,Wherein lead up to the first flow of dual channel heat exchanger, the direct bypass in another road is by described dual channelThe bypass flow channel of the first flow of heat exchanger, then Zhe Er road refrigerant passes through described cooler again after converging;
Optionally, the ratio of the refrigerant of the first flow by described dual channel heat exchanger is passed through Electromagnetic ControlValve control, described solenoid electric valve be arranged on dual channel heat exchanger first flow place pipeline and/orIn the pipeline at the bypass flow channel place of the first flow of dual channel heat exchanger; Or pass through three way flow control valveControl, three way flow control valve is arranged on position or this two-way that this two-way of refrigerant after throttling separates and convergesPosition.
Preferably, be provided with the first air door at the air inlet of described heater, the first air door can step-less adjustment,Thereby realize the control and regulation of the ratio of the air quantity that passes through heater by the adjusting of described the first air door;
Preferably, described automotive air-conditioning system is also provided with ptc heater in described compartment, is heatingWhen pattern by optionally moving described ptc heater to control the temperature in compartment, and to described carWind in railway carriage or compartment is first by heater, blow by described ptc heater and then in compartment again.
Preferably, described dual channel heat exchanger is plate type heat exchanger.
Preferably, described orifice union is electric expansion valve.
Preferably, described automotive air-conditioning system also comprises the blower fan of blowing in compartment, at described heat pumpSystem is in the time of demist pattern, and the wind that described blower fan is sent is first to dehumidify by described cooler, more logicalAfter crossing heater, be sent in compartment; Described heater can be according to the operating mode in compartment optionally to through removingWind after wet is heated or is not heated, to ensure the comfort level in compartment.
Compared with prior art, the present invention has the following advantages: air-conditioning system of the present invention is by arranging batteryPre-warm pattern, can avoid that the temperature of environment for use is too low to exert an influence and affect distance travelled battery lifeProblem, when automobilism is snowed heavily as at exceedingly odious sky, at this moment electricity in the relatively low situation of temperatureThe environment temperature of periphery, pond is well below normal operating temperature, and in the time starting to start automobile, just energy is right like thisThe elements such as battery are carried out to pre-warm, it is rapidly heated, and under other patterns, can be to heatings such as batteriesParts carry out cooling, thereby can ensure that the heat generating components such as battery are for a long time under normal working temperature, therebyCan ensure the service life of battery and ensure distance travelled. Air-conditioning system of the present invention simultaneously, in compartmentBe provided with cooler and heater, both arrange respectively, can avoid the impact of high low temperature in heat exchanger, withImprove heat exchanger service life; And when demist pattern, heater and cooler simultaneously, realizes and removing simultaneouslyThe wet effect of heating again, ensures the humiture in compartment, thereby meets the comfort requirement in compartment.
Brief description of the drawings
Fig. 1 is the pipeline connection diagram of the first detailed description of the invention of the present invention in the time of refrigeration mode;
Fig. 2 is the pipeline connection diagram of the first detailed description of the invention of the present invention in the time of heating mode;
Fig. 3 is the pipeline connection diagram of the first detailed description of the invention of the present invention in the time of battery pre-warm pattern;
Fig. 4 is the pipeline connection diagram of the first detailed description of the invention of the present invention in the time of demist pattern
Fig. 5 is the pipeline connection diagram of the first detailed description of the invention of the present invention in the time of deice mode;
Fig. 6 is the wet schematic diagram of enthalpy that the first detailed description of the invention of the present invention dehumidifies in the time of demist pattern;
Fig. 7 is the pipeline connection diagram (refrigeration mode) of the second detailed description of the invention of the present invention.
Detailed description of the invention
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing pairThe specific embodiment of the present invention is described in detail.
Air-conditioning system of the present invention has: refrigeration mode, heating mode, demist pattern, deice mode, electricityPond pre-warm pattern is totally five kinds of mode of operations. The first detailed description of the invention of the present invention as shown in Fig. 1-Fig. 6,Wherein Fig. 1 is the pipeline connection diagram of the first detailed description of the invention of the present invention in the time of refrigeration mode, Fig. 2Be the pipeline connection diagram of the first detailed description of the invention of the present invention in the time of heating mode, Fig. 3 is the present inventionThe pipeline connection diagram of the first detailed description of the invention in the time of battery pre-warm pattern, Fig. 4 is the present invention firstPlant the pipeline connection diagram of detailed description of the invention in the time of demist pattern, Fig. 5 is that the first of the present invention is specifically realThe pipeline connection diagram of the mode of executing in the time of deice mode, Fig. 6 is that the first detailed description of the invention of the present invention existsThe wet schematic diagram of enthalpy dehumidifying when demist pattern; Wherein the dotted line in figure represents that this place's pipeline is cut off not conducting.
As shown in Figure 1, air-conditioning system comprises heat pump and the heat generating components temperature control with refrigerant circulation circuitLoop, wherein passes through a dual channel heat exchanger between refrigerant circulation circuit and heat generating components temperature control loop16 carry out heat exchange: the first flow of dual channel heat exchanger 16 is communicated with refrigerant circulation circuit, dual channelThe second runner of heat exchanger 16 is communicated with heat generating components temperature control loop, refrigerant circulation circuit and heat generating componentsTemperature control loop can carry out heat exchange at dual channel heat exchanger 16. Heat generating components temperature control loop comprises heatingParts, water pump 22, heat generating components comprises other parts that can generate heat such as battery 21 and motor inverter. HeatPumping system comprises compressor 10, be positioned at vapour liquid separator 11 before compressor inlet, arrange respectively toThe heater 18 of heat is provided in compartment and in compartment, provide cold cooler 17, be positioned at outside compartmentCompartment outer heat-exchanger 13, orifice union; Heater 18 and cooler 17 in described compartment can basesOperating mode demand in compartment is selected to carry out heat supply, cooling or demist to described compartment. Heater 18 and coolingDevice 17 can be arranged in compartment and also can be arranged at outside compartment and blow in compartment by pipeline. Throttling groupPart comprises first throttle valve 14 and the second choke valve 141, and first throttle valve 14 is for refrigeration mode, demistThrottling when pattern, deice mode, battery pre-warm pattern, the throttling during for heating mode of the second choke valve 141.
Heat pump also comprises mobile control valve member and the pipeline connecting parts of refrigerant in control piper, particularly,Comprise the three-way solenoid valve 124 being arranged between heater 18 and compartment outer heat-exchanger 13, electromagnetic three-wayValve 124 also has an interface to be connected to the second choke valve 141 or its bypass flow path of throttling; The second choke valve141 the other end is respectively by triplate line part 36 and three way flow control valve 35, dual channel heat exchanger16 first flow connects; Two other interface of three way flow control valve 35 connects respectively cooler 17Outlet, connect the import of vapour liquid separator 11 by triplate line part 123; In addition at three-way solenoid valve124 and compartment outer heat-exchanger 13 between pipeline on be provided with some triplate line parts, concrete as threewayPipeline fitting 121,28, another interface of triplate line part 121 is connected with the 3rd magnetic valve 122, the three electricityAnother interface of magnet valve 122 is connected with triplate line part 123, another two interfaces of triplate line part 123 withImport, the three way flow control valve 35 of vapour liquid separator 11 connect. In addition at compartment outer heat-exchanger 13And between the first flow of dual channel heat exchanger 16, be also provided with first throttle valve 14, while and first segmentStream valve 14 has been arranged in parallel first bypass flow path, is provided with the first magnetic valve 20 in the first bypass flow pathFor controlling the break-make of the first bypass flow path; Also be arranged in parallel for compartment outer heat-exchanger 13 in additionTwo bypass flow path, are provided with the 4th magnetic valve 34 for controlling the second bypass flow path in the second bypass flow pathBreak-make. In addition, the pipeline between three-way solenoid valve 124 and the first flow of dual channel heat exchanger 16In be provided with the second choke valve 141, and be arranged in parallel the 3rd bypass flow path with the second choke valve 141,In three bypass flow path, be provided with the second magnetic valve 37 for controlling the break-make of the 3rd bypass flow path.
In the time that need to freeze in compartment summer, the refrigerant circulation circuit of heat pump switches to refrigeration mode,Under refrigeration mode, making the first air door 25 apertures of heater 18 is zero, allows air channel bypass, does not allow wind processHeater 18; The interface that three-way solenoid valve 124 leads to the second choke valve 141 is closed, and leads to heat outside compartmentThe interface of interchanger 13 is opened; Three way flow control valve 35 is from the vapour liquid separator that exports to of cooler 17Port open, the port of three way flow control valve 35 from dual channel heat exchanger 16 to vapour liquid separator is alsoOpen simultaneously, the first flow that refrigerant after throttling flows to dual channel heat exchanger 16 in parallel simultaneously withCooler 17, both cold medium flux ratios control to adjust by three way flow control valve 35; The 4th electromagnetismValve 34 cuts out, and the second bypass flow path of compartment outer heat-exchanger 13 is cut off; The 3rd magnetic valve 122,One magnetic valve 20 cuts out. The gaseous coolant of HTHP from compressor 10 out, when the heater 18,Owing to now there is no wind process, so, can not produce heat exchange with air through the refrigerant of heater; RefrigerantThrough three-way solenoid valve 124, arrive triplate line part 121,28 again, then arrive compartment outer heat-exchanger 13,Here carry out heat exchange with air, refrigerant is after Bas Discharged heat, and refrigerant is again by four-way pipeline fitting30 carry out throttling to first throttle valve 14, and after throttling, refrigerant becomes the refrigerant of low-temp low-pressure, then by threeLogical pipeline fitting 31 is divided into two-way refrigerant, and wherein first via refrigerant 311 flows to dual channel heat exchanger 16,Dual channel heat exchanger 16 refrigerants and heat generating components temperature control loop carry out heat exchange, send out to reduce battery 21 gradesThe temperature of thermal element, meanwhile, the water pump 22 of heat generating components temperature control loop starts, and heat generating components temperature control is returnedThe fluid on road circulates as water, like this heat generating components such as battery 21, motor inverter of electric automobileHeat is just by passing to the fluid of heat generating components temperature control loop, and further by dual channel heat exchanger 16Pass to the refrigerant in refrigerant circulation circuit.
Other refrigerant directly arrives cooler 17 by the second tunnel 312, here with compartment in airCarry out heat exchange, draw unnecessary heat in compartment, reach the object of refrigeration. Refrigerant is through subcooler 17Afterwards, become the gaseous fluid of low-temp low-pressure or the fluid of low-temp low-pressure gas-liquid two-phase, afterwards, then by threeThrough-current capacity control valve 35, cold with the first via 311 after the first flow of dual channel heat exchanger 16Matchmaker converges again by getting back to vapour liquid separator 11 after triplate line part 123, the gaseous coolant (mistake of low-temp low-pressureHot state) get back to compressor 10, do work by compressor 10, then the gaseous coolant of low-temp low-pressure is becomeThe gaseous coolant of HTHP, forms a kind of refrigeration cycle. First throttle valve 14 can be selected can bidirectional flowLogical heating power expansion valve; In the present embodiment, be the restriction effect of guarantee refrigerant fluid in addition, choke valve preferentially selectsWith the electric expansion valve that can two-way circulate.
Because the temperature of the heat generating components such as battery, motor inverter of electric automobile is not more low better, andBe to need certain temperature to keep higher efficiency, battery, the motor inverter etc. of electric automobile are sent out for this reasonThermal part is to need suitable cooling degree; For this reason, the not single just control separately of three way flow control valve 35Two-way break-make processed, and preferentially adopt the adjustable flow control valve of flow. Like this, by dual channel heat exchangerThe flow of the refrigerant of 16 first flow is controlled by three way flow control valve 35, correspondingly also ensuresThe requirement of heat radiation temperature control of the heat generating components such as battery, motor inverter of electric automobile. By dual channel heatThe cold medium flux of the first flow of interchanger 16 is to enter by the action control of three way flow control valve 35Row regulates, and by the discharge of water pump 22 regulation heating parts temperature control loops, can control easily simultaneouslyThe heat generating components such as battery processed use cold. Like this, control and the three-way flowrate of the discharge by water pump 22The control and regulation of control valve 35, can control easily the heat generating components such as battery with cold, also can expireThe temperature of foot battery is controlled in the operating temperature range of its better use.
In the time that need heat in compartment winter, system switches to heating mode as shown in Figure 2, magnetic valve 122Open, it is of triplate line part 121 directions that three-way solenoid valve 124 leads to compartment outer heat-exchanger 13Interface is closed, and another interface that leads to the second choke valve 141 is opened, and the 4th magnetic valve 34 cuts out, and secondMagnetic valve 37 cuts out, three way flow control valve 35 Close Alls; The first air door 25 is opened, also can be as figureShow and reach maximum, avoid wind bypass and without heater 18, the at this moment type of flow of refrigerant circulation circuitAs follows: the gaseous coolant of HTHP from compressor 10 out, passes through heater 18, the sky passing through hereThe gaseous coolant of the HTHP of gas and heater 18 carries out heat exchange, flows to compartment to add after atmosphere temperature risingTemperature in hot compartment; And after refrigerant absorbs airborne cold, refrigerant through three-way solenoid valve 124,Carry out throttling to the second choke valve 141 again, then the refrigerant after throttling passes through two by triplate line part 36Runner heat exchanger 16, here can, in order to the fluid of cooling heat generating components temperature control loop, then pass throughThe first magnetic valve 20 (first throttle valve 14 can select to cut out), arrive compartment by four-way pipeline fitting 30 againOuter heat-exchanger 13, refrigerant absorbs the laggard step evaporation of heat in outside air here, and refrigerant is thenBy passing through again the 3rd magnetic valve 122 after triplate line part 28,121, and further by triplate line partAfter 123, flow to vapour liquid separator 11, return compressor 10; Complete like this circulation. At dual channelHeat exchanger 16, the heater elements such as battery, motor inverter are by heat generating components temperature control loop and dual channelThe refrigerant of the first flow of heat exchanger 16 carries out heat exchange heat radiation. At this moment, due to three way flow control valveThe 35th, to close, refrigerant is to pass through cooler 17. And if had when the vapour liquid separator 11Liquid refrigerants, liquid refrigerants will be stored in vapour liquid separator 11, to avoid compressor 10 liquid hammers or mistakeThe cold efficiency that affects heat pump.
In addition, in the time that the temperature outside car is very low, can also turn off the first magnetic valve 20, start first segmentStream valve 14, makes through refrigerant throttling further, refrigerant temperature and pressure after dual channel heat exchanger 16Power further declines, and the temperature difference between refrigerant and external environment is strengthened, and then make compartment outer heat-exchanger13 can more easily draw the air heat outside compartment, thereby meet the chamber of automotive air-conditioning system at ultralow temperatureUnder external environment, normally work. In addition, for make can be not very through the refrigerant temperature of dual channel heat exchanger 16Low, can make the aperture maximum of second section stream valve 141, by the refrigerant warp again of dual channel heat exchanger 16Cross first throttle valve second throttle, and make the refrigerant after further cooling absorb extraneous at compartment outer heat-exchangerHeat. For this reason, first throttle valve 14, the second choke valve 141 preferred electron expansion valve, like this throttlingsControllability high, but also can adopt heating power expansion valve or throttle type magnetic valve.
In automotive air-conditioning system of the present invention, also comprise ptc heater 26 in addition, only starting heat pumpHeat, and in compartment, temperature does not also reach while requirement, ptc heater 26 can start and heat,To ensure that the temperature in compartment reaches comfort level requirement.
In addition, for electric automobile, the temperature of environment for use is too low also can exert an influence to battery lifeAnd affect distance travelled. When automobilism is snowed heavily as the sky exceedingly odious in the relatively low situation of temperature,The heater elements such as its battery need to worked equally at normal temperature, but peripheral environment temperature well belowNormal operating temperature, while starting to start automobile like this, just need to carry out pre-warm to elements such as batteries, makes itBe rapidly heated, to ensure the service life of battery and to ensure distance travelled.
Particularly, as shown in Figure 3, heat pump of the present invention ruuning situation in the time of battery pre-warm pattern is basicAs follows: heat pump operation, compressor 10 starts, and the 4th magnetic valve 34 and the first magnetic valve 20 are closed,The interface that three-way solenoid valve 124 leads to compartment outer heat-exchanger 13 is closed, and leads to the second choke valve 141 sidesTo interface open, the second magnetic valve 37 is opened, the bypass flow path of such the second choke valve 141 the 3rdBypass flow path conducting. At this moment the type of flow of refrigerant is as follows: the gaseous coolant of HTHP is from compressor 10Out, through heater 18, can select whether to carry out heat exchange here; And refrigerant is after heater,Through three-way solenoid valve 124, then arrive dual channel heat exchange by the second magnetic valve 37, triplate line part 36Device 16, here refrigerant can be in order to heat the fluid of heat generating components temperature control loop, by heat generating components temperatureControl loop makes the intensifications such as battery; Then by after 14 throttlings of first throttle valve, then by four-way pipeline fitting 30Arrive compartment outer heat-exchanger 13, refrigerant absorbs the laggard step evaporation of heat in outside air here,Then refrigerant passes through to pass through the 3rd magnetic valve 122 after triplate line part 28,121 again, and further by threeAfter logical pipeline fitting 123, flow to vapour liquid separator 11, return compressor 10; Complete like this circulation.At dual channel heat exchanger 16, the heater elements such as battery 21, motor inverter return by heat generating components temperature controlThe refrigerant of the first flow of road and dual channel heat exchanger 16 carries out heat exchange and absorbs heat, reaches battery etc.The temperature of suitable work. At this moment,, because three way flow control valve 35 is closed, refrigerant is can not pass throughCooler 17. And if have liquid refrigerants when the vapour liquid separator 11, liquid refrigerants will be stored inIn vapour liquid separator 11, to avoid compressor 10 liquid hammers or to cross the cold efficiency that affects heat pump. Electricity like thisThe operating temperature in pond ensured, thereby can improve service life and the distance travelled of battery, and entiretyThe efficiency of system is also improved.
In the time need to removing moisture in air or fog on glass, start demist pattern, as shown in Figure 4,Three-way solenoid valve 124 leads to the port closing of the second choke valve 141, and the first magnetic valve 20 cuts out. FirstAir door 25 can be in half-open or corresponding aperture position. Flowing of its refrigerant is: the gaseous state of HTHPRefrigerant from compressor 10 out, through heater 18, at this moment open, so there is wind warp by blower fan 24Cross heater 18, can produce heat exchange with air through the refrigerant of heater 18 like this, air in heating car;Refrigerant is through three-way solenoid valve 124, arrive triplate line part 121,28 again, then arrives compartment outer heat-exchanger 13,Here can according to weather operating mode select whether carry out heat exchange with air, refrigerant to Bas Discharged heat itAfter, refrigerant carries out throttling by four-way pipeline fitting 30 to first throttle valve 14 again, and after throttling, refrigerant becomes lowThe refrigerant of temperature low pressure, is then divided into two-way refrigerant by triplate line part 31, and wherein the first via 311 flows toDual channel heat exchanger 16, carries out heat friendship at dual channel heat exchanger 16 refrigerants and heat generating components temperature control loopChange, to reduce the temperature of battery 21 heater elements such as grade, meanwhile, the water pump 22 of heat generating components temperature control loopStart, the fluid that makes heat generating components temperature control loop circulates as water, like this battery 21 of electric automobile,The heat of the heat generating components such as motor inverter is just by passing to the fluid of heat generating components temperature control loop, and furtherPass to the refrigerant in refrigerant circulation circuit by dual channel heat exchanger 16.
Other refrigerant directly arrives cooler 17 by the second tunnel 312, here with compartment in airCarry out heat exchange, because temperature in the relative compartment of surface temperature of cooler is much lower, therefore in this processIn, if now the dew-point temperature of air is higher than the surface temperature of cooler, just have moisture at coolerCondensation on surface and separate out and the pipeline that passes through to arrange is discharged, has so just reduced the water steaming in air in a car compartmentThe content of vapour reduced relative humidity, thereby reach the object of demist in compartment. If needed in addition fastWhile removing fog on glass or steam, can directly close the first air door 25, and by corresponding airduct,Directly cold wind is blowed to glass, reach the object of removing fast glass surface mist. Refrigerant is through subcooler 17Afterwards, become the gaseous fluid of low-temp low-pressure or the fluid of low-temp low-pressure gas-liquid two-phase, afterwards, then by threeThrough-current capacity control valve 35, cold with the first via 311 after the first flow of dual channel heat exchanger 16Matchmaker converges again by getting back to gas-liquid separator 11 after triplate line part 123, the gaseous coolant (mistake of low-temp low-pressureHot state) get back to compressor 10, do work by compressor 10, then the gaseous coolant of low-temp low-pressure is becomeThe gaseous coolant of HTHP, forms a circulation. And the wind being sent in compartment is first through subcooler 17Dry and then by heater 18, can select whether to heat at heater 18, and then willWind is delivered in compartment, like this, except humidity has also ensured the temperature in compartment simultaneously, has met comfort levelRequirement. As can be seen from above, in heat pump of the present invention, in the time of demist pattern, be provided with heater, compartmentTwo radiators of outer heat-exchanger, can selectively carry out heat exchange.
When as lower in temperature, compartment outer heat-exchanger can be selected not carry out heat exchange with outside, and by heatFor heating the lower air of temperature after dehumidifying, and improve the comfort level in compartment. Air-conditioning system pin for this reasonCompartment outer heat-exchanger is also provided with to second bypass flow path, for control the second bypass flow path logical,Disconnected, be also provided with the 4th magnetic valve 34. In this pattern, can open the 4th magnetic valve 34, make compartmentOuter heat-exchanger 13 bypass, like this, refrigerant just can not pass through compartment outer heat-exchanger 13, thereby can saveEconomize energy, comfort level when raising temperature is lower in the time of demist pattern. In order to reduce the waste of energy, also canSo that the refrigerant of the HTHP after three-way solenoid valve 124 is divided into two-way by threeway, wherein firstRoad flows to compartment outside heat exchangers 13, carries out heat exchange with car outside air; Another branch road is by the 4thMagnetic valve 34, then mixes with the first branch road. That is to say, for establishing by compartment outside heat exchangersPut second bypass flow channel, and the through-current capacity of the 4th magnetic valve 34 these bypass flow channel of control has been set, fromAnd ensure by the cold medium flux of compartment outside heat exchangers 13; Can also turn off in addition and blow to heat outside compartmentThe blower fan of interchanger 13, in the process of demist, reduces the heat that compartment outer heat-exchanger 13 distributes outside carAmount. In addition, when temperature is higher, can select compartment outer heat-exchanger 13 to dispel the heat, and make heatingThere is not heat exchange in device 18.
Particularly, as shown in Figure 6, Fig. 6 is the first specific embodiment party of the present invention to the psychrometric chart of demist processThe wet schematic diagram of the enthalpy of formula in the time of dehumidifying: first, by outdoor new wind W point and indoor N point, be mixed togetherTo C point, be cooled to L point (dew-point temperature) through subcooler, air touch after cooler 17 higher thanThe meeting condensation moisture of dew-point temperature, then the air of separating out after moisture is heated to O by heater 18Point (being ventilation state point); Like this, the present invention can meet the needs of dehumidifying in car effectively, ensures againComfort level in car. In addition, demist pattern when present embodiment has been avoided the anti-of refrigeration and heating modeMultiple switching, in traditional air-conditioning, heater and cooler are same heat exchanger, like this in demistTime, need to constantly switch refrigeration and heating mode, make heat exchanger core body always in thermal shock state,Waste energy, along with the increase of switch mode, is easy to cause the inefficacy of heat exchanger like this. And it is of the present inventionEmbodiment only need to be controlled Electromagnetic Control valve module can complete corresponding switching, and heater only becomes popularRefrigerant, and cooler is also only walked cold refrigerant, the complete like this thermal shock of can avoiding, saves the energy. WithTime in dehumidifying, the air after again can heating and dehumidification, meets the comfort level in car.
In embodiments of the present invention, the wind that compartment inner blower 24 blows out is first to remove by cooler 17After wet, again by heater 18, the last like this wind blowing out just can keep certain temperature and humidity, therebyAvoid cold wind directly to blow in compartment, blowing cold air while having solved in existing air conditioning for automobiles dehumidifying or demistThe problem that causes people's comfort level to reduce. The temperature of the wind blowing out in addition, can be by controlling the first air door25 aperture suitably regulates, while needing temperature relatively high, and the aperture of the first air door 25 relatively largeA bit, be conducive to like this keep the comfort level in compartment. In addition, the air intake of blower fan 24 comprises new wind and return air,Both ratios are controlled by the second air door 23.
In addition in the time of winter, because the outer temperature of some regional car is lower, when ambient temperature is lower than zero degree or connectWhen nearly zero degree, while using heating mode, compartment outside heat exchangers 13 is for cold scattering, easy like thisMake 13 frostings of compartment outer heat-exchanger or freeze, and then affecting the efficiency of operation of heat pump, so, need to openMoving deice mode. Particularly, air-conditioning system of the present invention in the time of deice mode ruuning situation as shown in Figure 5,At this moment the 4th magnetic valve 34 cuts out, and the first magnetic valve 20 cuts out, and three way flow control valve 35 is from cooler17 interfaces of coming are closed. The flow direction of refrigerant is as follows: air conditioner heat pump system operation, compressor 10 opensMoving, the gaseous coolant of HTHP from compressor 10 out, is introduced into heater 18, through heater 18Time, whether with in compartment system can be selected to carry out heat exchange, if do not carry out heat exchange, closes the first windDoor 25 and blower fan 24, so just do not have wind through heater 18, so, through the refrigerant of heater 18Can not produce heat exchange with air; Refrigerant is through three-way solenoid valve 124, arrive triplate line part 121,28 again,Arrive compartment outer heat-exchanger 13, vehicle cabin outer heat-exchanger 13 here, makes compartment outer heat-exchanger againThe frost on 13 surfaces or ice-out, refrigerant is after compartment outer heat-exchanger 13 is discharged heat, and refrigerant passes through againFour-way pipeline fitting 30 carries out throttling to first throttle valve 14, and at this moment first throttle valve 14 is as electric expansion valveAperture can open to maximum; After throttling, refrigerant becomes the refrigerant of low-temp low-pressure, then by triplate line part33,31 first flows that arrive again dual channel heat exchanger 16, dual channel heat exchanger 16 refrigerants with send outThermal part temperature control loop can select to carry out heat exchange, to reduce the temperature of battery 21 heater elements such as grade, meanwhile,The water pump 22 of heat generating components temperature control loop starts, and the fluid that makes heat generating components temperature control loop circulates as water,The heat of the heat generating components such as battery 21, motor inverter of electric automobile is just passed to heat generating components temperature control like thisThe fluid in loop, and further pass to the refrigerant in refrigerant circulation circuit by dual channel heat exchanger 16.After the first flow of dual channel heat exchanger 16, refrigerant flows to threeway by three way flow control valve 35 againPipeline fitting 123, then flow to vapour liquid separator 11, at vapour liquid separator 11, vapour liquid separator 11 can makeThe liquid of vapour-liquid two-phase separates, and liquid refrigerants is stayed in vapour liquid separator 11, and gaseous coolant is got back to pressureContracting machine 10 carries out next one circulation.
In addition, if for quickly defrosting or deicing, can also be by the first wind of the heater in compartment 18Door is closed, and does not allow the heater 18 carry out heat exchange, arrives like this refrigerant of compartment outer heat-exchanger 13Temperature can be higher, and the time of defrosting or ice just can be shorter. Usually, the time of deice mode operationAll relatively short, generally about 3-4 minute. By the time, after deicing finishes, mode of operation can be switchedTo heating mode operation. Heater in compartment and cooler are the checkers that there is no high low temperature like this.
In described embodiment, three way flow control valve is arranged on dual channel heat exchanger, cooler aboveAnd between vapour liquid separator, can also be arranged in addition dual channel heat exchanger, cooler and first throttleBetween valve, as the position of the triplate line part 31 arranging in existing system is changed into three-way flowrate control is setValve and by the position that three way flow control valve 35 is set now change into triplate line part can realize equally send outImproving eyesight. Three way flow control valve can also substitute by the solenoid electric valve of two controllable flow rates in addition,It is in parallel that solenoid electric valve is separately positioned on these two groups of the first flows and described cooler of dual channel heat exchangerPipeline in, one of them can be arranged in the forward and backward pipeline of first flow of dual channel heat exchanger;Another one solenoid electric valve can be arranged in the forward and backward pipeline of cooler 17. Concrete operational modeAnd running is no longer repeated here.
In addition, above three-way solenoid valve in embodiment can substitute by two magnetic valves, andThe setting position of the magnetic valve in embodiment also can be adjusted accordingly above; In addition at existing embodimentThe middle position that triplate line part 28 is set changes a three-way solenoid valve into, the 4th magnetic valve 34 and three-way pipeRoad part 28 can not wanted; As triplate line part 33,31, two can be come by a four-way pipeline fittingSubstitute; Can realize the object of the invention equally like this. So connecting with control, pipeline of the present invention is not limited toEmbodiment described above.
Introduce the second detailed description of the invention of the present invention below, Fig. 7 is the second specific embodiment party of the present inventionThe pipeline connection diagram of formula in the time of refrigeration mode. Present embodiment is the first detailed description of the invention in the aboveOn one improve, particularly, above in embodiment dual channel heat exchanger 16 with cooler 17 in systemWhen cold pattern and demist pattern, be and be arranged in parallel, and in the second detailed description of the invention, be can connect to establishPut, specifically as shown in Figure 7. In the pipeline by after first throttle valve 14, refrigerant is first by double fluidThe first flow of channel heat exchanger 16 or its bypass flow path, and then by cooler 17; In addition in order to controlSystem is by the flow of the refrigerant of the first flow of dual channel heat exchanger 16, for dual channel heat exchanger 16First flow, system is provided with the 4th bypass flow path, in the 4th bypass flow path, is provided with solenoid electric valve15 control by the flow of the refrigerant of this bypass flow path; Then for cooler 17, system is provided with the 5thBypass flow path, is provided with the second three-way solenoid valve 19 for the 5th bypass flow path and controls by cooler 17 or itsThe break-make on through-flow road.
Under refrigeration mode, the 4th magnetic valve 34 cuts out, i.e. the second bypass flow of compartment outer heat-exchanger 13Road cuts off; The 3rd magnetic valve 122, the first magnetic valve 20 are closed; Make the first air door 25 of heater 18Aperture is zero, allows air channel bypass, does not allow wind through heater 18; Three-way solenoid valve 124 leads to second sectionThe interface of stream valve 141 is closed, and the interface that leads to compartment outer heat-exchanger 13 is opened; The second three-way solenoid valve19 interfaces that lead to cooler are opened, and the interface that leads to the 5th bypass flow path is closed, i.e. cold after throttlingMatchmaker passes through or part is passed through after the first flow of dual channel heat exchanger 16, and all refrigerants all pass through coolerAfter 17, return vapour liquid separator 11. Now the flow direction of refrigerant is as follows: the gaseous coolant of HTHPFrom compressor 10 out, through heater 18, owing to now there is no wind process, so, through heaterRefrigerant can not produce heat exchange with air; Refrigerant through three-way solenoid valve 124, again arrive triplate line part 121,28, then to compartment outer heat-exchanger 13, carry out heat exchange with air here, refrigerant is to Bas Discharged warmAfter amount, refrigerant carries out throttling by four-way pipeline fitting 30 to first throttle valve 14 again, and after throttling, refrigerant becomesThe refrigerant that becomes low-temp low-pressure, is then divided into two-way refrigerant by triplate line part 31, wherein first via refrigerant311 flow to dual channel heat exchanger 16, at dual channel heat exchanger 16 refrigerants and heat generating components temperature control loopCarry out heat exchange, to reduce the temperature of battery 21 heater elements such as grade, meanwhile, heat generating components temperature control loopWater pump 22 starts, and the fluid that makes heat generating components temperature control loop circulates as water, the electricity of electric automobile like thisThe heat of the heat generating components such as pond 21, motor inverter is just by passing to the fluid of heat generating components temperature control loop,And further pass to the refrigerant in refrigerant circulation circuit by dual channel heat exchanger 16.
Other refrigerant by the second tunnel 312 by solenoid electric valve 15, four-way pipeline fitting 29, then withConverge rear arrival the second three-way solenoid valve 19 by the refrigerant of dual channel heat exchanger 16, then arrive coolingDevice 17, here with compartment in air carry out heat exchange, draw unnecessary heat in compartment, reach systemCold object. Refrigerant, after subcooler 17, becomes gaseous fluid or the low-temp low-pressure gas of low-temp low-pressureThe fluid of liquid two-phase, afterwards, then by getting back to vapour liquid separator 11 after triplate line part 32,123, lowThe gaseous coolant (superheat state) of temperature low pressure is got back to compressor 10, does work by compressor 10, then lowThe gaseous coolant of temperature low pressure becomes the gaseous coolant of HTHP, forms a kind of refrigeration cycle. First throttle valve14, the second choke valve 141 is preferentially selected electric expansion valve.
Solenoid electric valve 15 can be controlled by the flow of the refrigerant of the 4th bypass flow path, like this, and by twoThe flow of the refrigerant of the first flow of runner heat exchanger 16 also just can have been controlled relatively, adds water pumpThe control of 22 discharge, can control easily the heat generating components such as battery with cold, also can meetThe temperature of battery is controlled in the operating temperature range of its better use.
In the time of demist pattern, the type of flow of refrigerant is with described identical above, and difference adds while being demist patternHot device 18 can be selected to carry out heat exchange according to temperature situation with compartment outer heat-exchanger 13, and the first air doorAlso correspondingly select aperture or close according to temperature situation, other can be with reference to described refrigeration mode and first aboveThe demist pattern of embodiment.
And in the time of heating mode, in present embodiment: the same obstructed subcooler of refrigerant, and present embodimentBe that the second magnetic valve 37 cuts out by the second three-way solenoid valve 19 Close Alls, refrigerant is from compressor 10Out carry out heat exchange by heater 18 afterwards and emit heat, then by three-way solenoid valve 124, after againLead to after triplate line part 36, four-way pipeline fitting 29 by the second choke valve 141 throttlings, flow to dual channelThe first flow of heat exchanger 16, or part flows to the first flow of dual channel heat exchanger 16, partly logicalCross the 4th bypass flow path, then refrigerant is again by passing through compartment outer heat-exchanger after 14 throttlings of first throttle valveCarry out heat exchange, and then get back to vapour liquid separator 11 by the 3rd magnetic valve 122, and get back to compressorComplete a circulation.
And when deice mode, in present embodiment, after 14 throttlings of first throttle valve, refrigerant is by threeAfter logical pipeline fitting 33,31, flow to the first flow of dual channel heat exchanger 16, or part flows to dual channelFirst flow, the part of heat exchanger 16 are passed through the 4th bypass flow path, and then refrigerant is again by four-way pipelinePart 29 by getting back to vapour liquid separator 11 after the 5th bypass flow path for cooler 17, and get back to pressureContracting machine completes a circulation.
And when battery pre-warm pattern, the second three-way solenoid valve 19 Close Alls, the electromagnetism of the 4th bypass flow pathControl valve 15 is closed, and the second magnetic valve 37 is opened, refrigerant from compressor out through heater 18,Three-way solenoid valve 124, then directly pass through the second magnetic valve 37, triplate line by the 3rd bypass flow pathPart 36, then arrives dual channel heat exchanger 16 by four-way pipeline fitting 29, transfers heat to heating partThe fluid of part temperature control loop, and pass to the parts such as battery, makes the battery normal working temperature that can be rapidly heated;Then refrigerant, by arriving compartment outer heat-exchanger 13 after 14 throttlings of first throttle valve, absorbs after extraneous heatGet back to vapour liquid separator 11, and get back to compressor and complete a circulation. Reach normal work Deng battery intensificationAfter temperature, air-conditioning system just can be transformed into heating mode operation.
In present embodiment, other aspects and described the first embodiment above roughly the same, are just no longer repeated here,And the pipeline of other patterns connects, flow schematic diagram also can be with reference to refrigeration mode and the first embodiment above,Similarly, control valve member, the pipeline fitting such as three-way solenoid valve also can be done other and substitute. And solenoid electric valve15 can also be arranged in the first flow place pipeline that leads to dual channel heat exchanger 16; Also can this twoIn the pipeline of road, all arrange; Solenoid electric valve 15 can substitute with three way flow control valve in addition, threewayFlow control valve can be arranged on position that this two-way of refrigerant after throttling separates as triplate line part 31 in figurePosition or this two-way pipeline converge position as the position of four-way pipeline fitting 29 in figure.
The above, be only preferred embodiment of the present invention, not the present invention done any pro formaRestriction. Although the present invention discloses as above with preferred embodiment, but not in order to limit the present invention. AnyThose of ordinary skill in the art, not departing from technical solution of the present invention scope situation, can utilize above-mentionedThe method and the technology contents that disclose are made many possible variations and modification to technical solution of the present invention, or amendmentFor the equivalent embodiment of equivalent variations. Therefore, every content that does not depart from technical solution of the present invention, according to thisThe technical spirit of invention, to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs toIn the scope of technical solution of the present invention protection.
Claims (13)
1. an automotive air-conditioning system, comprises heat generating components temperature control loop and the heat with refrigerant circulation circuitPumping system, wherein refrigerant circulation circuit and heat generating components temperature control loop carry out heat friendship by dual channel heat exchangerChange, the first flow of described dual channel heat exchanger is communicated with refrigerant circulation circuit, dual channel heat exchangerThe second runner is communicated with heat generating components temperature control loop;
Described automotive air-conditioning system has: refrigeration mode, heating mode, demist pattern, deice mode, electricityPond pre-warm pattern is totally five kinds of mode of operations, described sending out under four kinds of mode of operations except battery pre-warm patternThermal part temperature control loop can carry out cooling to heat generating components;
Described heat pump comprises compressor, is positioned at vapour liquid separator, setting respectively before compressor inletTo provide the heater of heat in compartment and in compartment, provide cold cooler, be positioned at the car outside compartmentRailway carriage or compartment outer heat-exchanger, two choke valves: first throttle valve and the second choke valve; Described heater and coolerCarry out heat supply, cooling or demist to described compartment according to the operating mode demand in compartment; Hand over heat outside described compartmentParallel operation has been arranged in parallel bypass flow path: the second bypass flow path;
The refrigerant of described air-conditioning system first leads to described heater from described compressor out, in described heatingDevice out after refrigerant be divided into two-way, this two-way can be by controlling wherein Yi road of selective conducting: wherein firstRoad passes through first after the second bypass flow path of compartment outer heat-exchanger and/or described compartment outer heat-exchangerChoke valve throttling;
Described heater out after, other the second road refrigerant is described two by leading to after the second choke valve throttlingThe first flow of runner heat exchanger or the bypass flow path of leading to the first flow of described dual channel heat exchanger;Or the second road refrigerant described heater out after not throttling, directly lead to described dual channel heat exchangerFirst flow.
2. automotive air-conditioning system according to claim 1, is characterized in that, with described the second throttlingValve has been arranged in parallel bypass flow path: the 3rd bypass flow path, is provided with the second electromagnetism in described the 3rd bypass flow pathValve is for controlling the break-make of described bypass flow path, and the second magnetic valve of described the 3rd bypass flow path is in battery pre-warmConducting when pattern.
3. automotive air-conditioning system according to claim 2, is characterized in that, at described heat pumpRefrigerant circulation circuit in, in two pipelines from described heater out, wherein the first via is at refrigeration mouldConducting under formula, demist pattern, these three kinds of patterns of deice mode, now refrigerant is by the throttling of first throttle valve;The conducting under heating mode, battery pre-warm pattern of the second tunnel is first entered by the second choke valve under heating modeRow throttling, and the refrigerant of described air-conditioning system does not flow valve by second section and carries out throttling under battery pre-warm pattern,But by described the 3rd bypass flow path, and by the throttling of first throttle valve.
4. automotive air-conditioning system according to claim 3, is characterized in that, for described first segmentStream valve be provided with the first bypass flow path, in the time of heating mode described in first throttle valve and described the first bypass flow pathOptionally conducting, in the time of heating mode, air-conditioning system can be only by the second choke valve throttling, alsoCan first pass through the throttling for the first time of the second choke valve, then by first throttle valve second throttle.
5. automotive air-conditioning system according to claim 4, is characterized in that, with described first throttleIn described the first bypass flow path that valve is arranged in parallel, be provided with the first magnetic valve and control described the first bypass flowThe break-make on road.
6. according to wherein arbitrary described automotive air-conditioning system of claim 1-5, it is characterized in that, in instituteState in heater pipeline afterwards and be provided with three-way solenoid valve, three-way solenoid valve leads to described compartment for controllingThe first via of outer heat-exchanger direction or lead to a wherein road conducting in the second tunnel of described the second choke valve, andAnother road cuts off;
Or arrange respectively in the first via being divided at described heater refrigerant out and this two-way of the second roadThere is magnetic valve, with wherein Yi road of selective conducting.
7. according to wherein arbitrary described automotive air-conditioning system of claim 1-5, it is characterized in that, in systemUnder cold pattern, these two kinds of patterns of demist pattern, refrigerant first leads to described heater from compressor out, soLead to afterwards the second bypass flow path of compartment outer heat-exchanger and/or described compartment outer heat-exchanger by the first via,Then by the throttling of described first throttle valve, the refrigerant after throttling is divided into two-way, wherein leads up to dual channelThe first flow of heat exchanger, separately leads up to described cooler, and then converges and get back to described vapor-liquid separationDevice; Ratio by the first flow of described dual channel heat exchanger or the refrigerant of described cooler is by threewayFlow control valve control or the first flow by dual channel heat exchanger in parallel and described cooler this twoThe solenoid electric valve control arranging respectively in group pipeline.
8. according to wherein arbitrary described automotive air-conditioning system of claim 1-5, it is characterized in that, in systemUnder cold pattern, these two kinds of patterns of demist pattern, refrigerant first leads to described heater from compressor out, soLead to afterwards the second bypass flow path of compartment outer heat-exchanger and/or described compartment outer heat-exchanger by the first via,Then by the throttling of described first throttle valve, the refrigerant after throttling is divided into two-way, wherein leads up to dual channelThe first flow of heat exchanger, the direct bypass in another road is by the first flow of described dual channel heat exchangerBypass flow channel: the 4th bypass flow path, then Zhe Er road refrigerant after converging again by described cooler; Pass throughThe ratio of the refrigerant of the first flow of described dual channel heat exchanger is by solenoid electric valve control or by threeThe control of through-current capacity control valve.
9. automotive air-conditioning system according to claim 8, is characterized in that, described solenoid electric valveBe arranged on the pipeline at first flow place and/or the pipeline at the 4th bypass flow path place of dual channel heat exchangerIn; Or three way flow control valve is arranged on position or the remittance of this two-way that this two-way of refrigerant after throttling separatesClose position.
10. according to claim 1-5 or 9 arbitrary described automotive air-conditioning systems, it is characterized in that, described inAutomotive air-conditioning system also comprises the blower fan of blowing in compartment, at described heat pump in demist patternTime, the wind that described blower fan is sent is first to dehumidify by described cooler, then by being sent to car after heaterIn railway carriage or compartment; Described heater can heat optionally to the wind after dehumidifying according to the operating mode in compartmentOr do not heat, to ensure the comfort level in compartment.
11. automotive air-conditioning systems according to claim 6, is characterized in that, described air conditioning for automobiles isSystem also comprises the blower fan of blowing in compartment, at described heat pump during in demist pattern, and described windThe wind that machine is sent is first to dehumidify by described cooler, then by being sent to after heater in compartment; InstituteStating heater can optionally heat or not heat to the wind after dehumidifying according to the operating mode in compartment,To ensure the comfort level in compartment.
12. automotive air-conditioning systems according to claim 7, is characterized in that, described air conditioning for automobiles isSystem also comprises the blower fan of blowing in compartment, at described heat pump during in demist pattern, and described windThe wind that machine is sent is first to dehumidify by described cooler, then by being sent to after heater in compartment; InstituteStating heater can optionally heat or not heat to the wind after dehumidifying according to the operating mode in compartment,To ensure the comfort level in compartment.
13. automotive air-conditioning systems according to claim 8, is characterized in that, described air conditioning for automobiles isSystem also comprises the blower fan of blowing in compartment, at described heat pump during in demist pattern, and described windThe wind that machine is sent is first to dehumidify by described cooler, then by being sent to after heater in compartment; InstituteStating heater can optionally heat or not heat to the wind after dehumidifying according to the operating mode in compartment,To ensure the comfort level in compartment.
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| DE102013227046A1 (en) * | 2013-12-20 | 2015-06-25 | MAHLE Behr GmbH & Co. KG | Air conditioning, in particular for a motor vehicle |
| CN105398308B (en) * | 2015-12-09 | 2019-04-12 | 北京新能源汽车股份有限公司 | Air conditioning system of electric automobile |
| FR3049340B1 (en) * | 2016-03-25 | 2018-03-16 | Valeo Systemes Thermiques | AIR CONDITIONING CIRCUIT FOR A MOTOR VEHICLE |
| CN107351627B (en) * | 2016-05-10 | 2020-05-19 | 比亚迪股份有限公司 | Automobile thermal management system and electric automobile |
| KR101846923B1 (en) * | 2016-11-01 | 2018-04-09 | 현대자동차 주식회사 | Heat pump system for vehicle |
| CN108317766A (en) * | 2018-01-17 | 2018-07-24 | 深圳创维空调科技有限公司 | A kind of air-conditioning system and electric bus of electric bus |
| CN108387023B (en) * | 2018-01-30 | 2024-01-30 | 天津大学 | Refrigerating and heating system for coupling vehicle-mounted air conditioner power battery pack |
| CN110208003A (en) * | 2019-05-29 | 2019-09-06 | 中国第一汽车股份有限公司 | Vehicle defrost performance test methods and defrost test macro |
| CN110525164B (en) * | 2019-07-03 | 2023-04-14 | 一汽解放汽车有限公司 | LNG cold energy utilization air conditioning system and control method |
| CN110949089B (en) * | 2019-11-25 | 2022-01-07 | 珠海格力电器股份有限公司 | Control method and control device for thermal management device of automobile, and storage medium |
| CN114815927B (en) * | 2022-05-24 | 2024-01-09 | 国网江苏省电力有限公司泰州供电分公司 | Large-scale power supply temperature control system of power distribution station |
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