CN103140364A - Air-conditioning system, notably for a motor vehicle, comprising an air-conditioning loop and a secondary loop collaborating with the air-conditioning loop - Google Patents

Air-conditioning system, notably for a motor vehicle, comprising an air-conditioning loop and a secondary loop collaborating with the air-conditioning loop Download PDF

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Publication number
CN103140364A
CN103140364A CN2011800478874A CN201180047887A CN103140364A CN 103140364 A CN103140364 A CN 103140364A CN 2011800478874 A CN2011800478874 A CN 2011800478874A CN 201180047887 A CN201180047887 A CN 201180047887A CN 103140364 A CN103140364 A CN 103140364A
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transfer fluid
heat transfer
air
loop
conditioning
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CN103140364B (en
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M.亚希亚
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Valeo Systemes Thermiques SAS
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Valeo Systemes Thermiques SAS
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00007Combined heating, ventilating, or cooling devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00492Heating, cooling or ventilating [HVAC] devices comprising regenerative heating or cooling means, e.g. heat accumulators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/32Cooling devices
    • B60H1/3204Cooling devices using compression
    • B60H1/3205Control means therefor
    • B60H1/321Control means therefor for preventing the freezing of a heat exchanger
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/32Cooling devices
    • B60H1/3204Cooling devices using compression
    • B60H1/3228Cooling devices using compression characterised by refrigerant circuit configurations
    • B60H1/32281Cooling devices using compression characterised by refrigerant circuit configurations comprising a single secondary circuit, e.g. at evaporator or condenser side
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/32Cooling devices
    • B60H2001/3286Constructional features
    • B60H2001/3288Additional heat source

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

The subject of the invention is an air-conditioning system (1), notably for a motor vehicle, comprising an air-conditioning loop (2) and a secondary loop (3) through which a heat transfer fluid circulates and which collaborates with the air-conditioning loop (2), the secondary loop (3) comprising an upstream point (11) and a downstream point (12) between which points are formed a main line (14) comprising a heat storage module (8) and a bypass line (15) that bypasses the heat storage module (8). The heat transfer fluid circulates simultaneously through the main line (14) and through the bypass line (15).

Description

The a/c system on the inner loop road that comprises the air-conditioning loop and cooperate with the air-conditioning loop is especially for power actuated vehicle
Technical field
The present invention relates to the field of power actuated vehicle heating, ventilation and/or conditioning unit.Theme of the present invention is a kind of method for using the inner loop road, and described inner loop road is provided with hot memory module, and described inner loop road is incorporated in the a/c system that power actuated vehicle is equipped with.Other themes of the present invention are such inner loop road and such a/c system.
Background technology
Power actuated vehicle is equipped with a/c system, in order to change the Aerodynamic Heating parameter in vehicle interior.Such change obtains in the distribution of inside via air stream.For this reason, a/c system comprises heating, ventilation and/or conditioning unit, and it mainly comprises housing, and before air stream was diffused into vehicle interior, air stream circulated in described housing.
A/c system also comprises the air-conditioning loop, and cooling system conditioner circulates in the air-conditioning loop.The air-conditioning loop comprises evaporator, and evaporator is arranged in the enclosure interior of heating, ventilation and/or conditioning unit, so that cooling-air flows before air flow is fitted on motor vehicle interiors.
According to a kind of form of embodiment, the air-conditioning loop also comprises cooling system conditioner/heat transfer fluid H Exch, to allow cooling system conditioner and to cycle through interchange of heat between the heat transfer fluid on inner loop road.
The inner loop road comprises hot memory module, and described hot memory module is provided with hot storage medium, particularly phase-change material, can store heat and itself and heat transfer fluid are exchanged.Hot memory module particularly is intended to for storage heat, and so cooling heat transfer fluid.
The air-conditioning loop comprises upstream point and point downstream, is formed with the supervisor who is provided with hot memory module and the pipe of walking around hot memory module between upstream point and point downstream.The upstream point is provided with triple valve, and described triple valve can allow heat transfer fluid circulation or by supervisor or pass through bypass pipe.Triple valve is operating as and makes its permission heat transfer fluid circulation or pass through supervisor or pass through bypass pipe, and prevention cycles through another in these pipes.Such a/c system is described in document FR2937588 especially.
But the characteristic feature that the a/c system that elec. vehicle or motor vehicle driven by mixed power are equipped with has is: always can not have device or the thermal source of the compressor of operating air conditioner loop, because vehicle combustion engine or do not exist or turn off.Need to improve such a/c system, in order to improve their performance, especially in the situation that be assembled to the a/c system of elec. vehicle or motor vehicle driven by mixed power.
More particularly, the a/c system that expects to have the external heat exchanger defrosting that can make the air-conditioning loop can be used.Usually be designed to allow interchange of heat between extraneous air stream and cooling system conditioner along the external heat exchanger of the anterior face location of vehicle.Under the certain operations condition, external heat exchanger has rimy trend, and this upset or even stoped cooling system conditioner and extraneous air stream between the heat transmission.Therefore can expect to have and can be fast be the external heat exchanger a/c system of (if necessary) that defrosts, and can excessively not impair the coefficient of performance of air-conditioning loop.
Usually, can wish to improve such a/c system, make heat energy or cold energy can be stored in a controlled manner in hot memory module and discharge subsequently, and the relevant coefficient of performance in the inner loop road to being provided with hot memory module of optimizing simultaneously the air-conditioning loop.
Summary of the invention
The objective of the invention is to propose a kind of a/c system, it comprises the inner loop road, described inner loop road makes heat energy or cold energy be stored in equally well in the hot memory module on inner loop road with controlled and actv. mode and/or discharge, and this can excessively not impair the coefficient of performance of the air-conditioning loop (it is relevant to the inner loop road via cooling system conditioner/heat transfer fluid H Exch) of a/c system.More specifically, the objective of the invention is to allow the air-conditioning loop external heat exchanger fast and effectively defrosting.
According to the present invention, a kind of a/c system, a/c system in particular for power actuated vehicle, comprise air-conditioning loop and inner loop road, heat transfer fluid cycles through described inner loop road, and described inner loop road cooperates with the air-conditioning loop, and the inner loop road comprises upstream point and point downstream, is formed with the trunk line that comprises hot memory module and the bypass duct of walking around hot memory module between described upstream point and point downstream.According to the present invention, heat transfer fluid cycles through trunk line and bypass duct simultaneously.
According to the first replacement form, the first amount that cycles through the heat transfer fluid of trunk line is different from the second amount of the heat transfer fluid that cycles through bypass duct.
Advantageously, the first amount that cycles through the heat transfer fluid of trunk line is less than the second amount of the heat transfer fluid that cycles through bypass duct.
More specifically, cycle through second the first five times of measuring of measuring greater than the heat transfer fluid that cycles through trunk line of the heat transfer fluid of bypass duct.
According to the second replacement form, the first amount that cycles through the heat transfer fluid of trunk line equals to cycle through the second amount of the heat transfer fluid of bypass duct.
According to the first replacement form, the first cross-sectional plane of trunk line is different from the second cross-sectional plane of bypass duct.
More specifically, the first cross-sectional plane of trunk line is less than the second cross-sectional plane of bypass duct.Especially, the second cross-sectional plane of bypass duct is greater than five times of the first cross-sectional plane of trunk line.
According to the second replacement form, trunk line and bypass duct have identical cross-sectional plane.
A/c system of the present invention makes air-conditioning loop and inner loop road commonage comprise heat transfer fluid/coolant heat exchanger.
Description of drawings
Other Characteristics and advantages of the present invention will manifest from the following description that the research of reference accompanying drawing provides by non-limiting example, described example can be used for replenishing the understanding of the present invention with and the explanation how to be implemented, and, help its restriction in suitable part, in the accompanying drawings:
Fig. 1 is the synoptic map according to a/c system of the present invention, and
Fig. 2 to 4 is replacement forms of the embodiment of the a/c system shown in Fig. 1.
The specific embodiment
In the drawings, the a/c system 1 inner loop road 3 that comprises air-conditioning loop 2 and cooperate with air-conditioning loop 2.
A/c system 1 intention is mounted to power actuated vehicle, so that the Aerodynamic Heating parameter of the air stream in the inside that is assigned to power actuated vehicle that changes one's intention.Power actuated vehicle is motor vehicle driven by mixed power or elec. vehicle in particular, and it is if not all also providing power by power supply at least in part.
The Aerodynamic Heating parameter is changed by main air flow 4 is assigned in inside.Main air flow 4 cycles through housing 5 before in being diffused into vehicle interior, and this housing 5 for example is made of plastics.In order to change the temperature of main air flow 4, accommodating at least one inner heat exchanger 6 of housing 5 before in main air flow 4 is distributed in vehicle interior.
According to each replacement form of the embodiment of air-conditioning loop 2, inner heat exchanger 6 can be cooling or heating by its main air flow 4.
Air-conditioning loop 2 comprises cooling system conditioner/heat transfer fluid H Exch 7 especially, transmits to allow heat at the cooling system conditioner that cycles through air-conditioning loop 2 and to cycle through between the heat transfer fluid on inner loop road 3.In a usual manner, the air-conditioning loop also comprises compressor, at least one expansion member and external heat exchanger.
It is subcritical fluids that cooling system conditioner can (not hint preference), is a kind of etc. of R134a such as known names; Or supercritical fluid, be called a kind of etc. in the fluid of R744 such as name.Heat transfer fluid comprises, for example, and the compound of water and ethylene glycol.
Inner loop road 2 comprises hot memory module 8, and described hot memory module 8 comprises hot storage medium, particularly phase-change material, such as paraffin etc.Hot memory module 8 intention storage heat or cold energy discharge after being used for.
Replacement form according to the embodiment shown in Fig. 1, it has shown the schematic synoptic map of a/c system 1 of the present invention, hot memory module 8 can be stored heat, in order to afterwards heat is released into heat transfer fluid, heat transfer fluid transfers heat to cooling system conditioner, in order to be external heat exchanger 9 defrostings of air-conditioning loop 2.
External heat exchanger 9 is positioned on the anterior face of vehicle especially, to allow heat at cooling system conditioner with by the transmission between its extraneous air stream 10.
According to operation mode and the outside climatic conditions of air-conditioning loop 2, when externally air stream 10 was by external heat exchanger 9, external heat exchanger 9 was easy to frosting.
Under certain operation condition, can expect to discharge the heat that is stored in hot memory module 8, in order to be external heat exchanger 9 defrostings.
Inner loop road 3 comprises the upstream point 11 of the upstream that is positioned at hot memory module 8 along heat transfer fluid in inner loop road 3 interior circulation directions 13 and is positioned at the point downstream 12 in the downstream of hot memory module 8.
Define trunk line 14, it extends between upstream point 11 and point downstream 12, and hot memory module 8 is positioned in this trunk line 14.
Inner loop road 3 also comprises bypass duct 15, bypass duct 15 bypass and walk around hot memory module 8.Bypass duct 15 extends between upstream point 11 and point downstream 12, to form the by-pass portion with respect to trunk line 14.
In order to replenish this situation, inner loop road 3 comprises pump 16, so that the heat transfer fluid circulation.
The present invention advantageously proposes to allow the heat transfer fluid of each amount Q1 that determines and Q2 to cycle through simultaneously trunk line 14 and pass through bypass duct 15.
In the time of such, circulation is the circulation under stabilized conditions, and this circulation is not to cycle through the residing state of trunk line 14 from heat transfer fluid to switch to the transition period that heat transfer fluid cycles through bypass duct 15 residing another states.Therefore, heat transfer fluid flows through trunk line 14 and bypass duct 15 simultaneously.In other words, simultaneously, the heat transfer fluid of the first amount Q1 flows through trunk line 14, and the heat transfer fluid of the second amount Q2 cycles through bypass duct 15.
This causes the optimization of hot memory module 8 to use and make the coefficient of performance of air-conditioning loop 2 to keep favorable structure between higher ability.
According to the first form of embodiment, amount Q1 and Q2 equate.Therefore, amount Q1 and Q2 satisfy formula [1]:
Q1=Q2[1]
In this case, heat transfer fluid is sentenced equal proportion at upstream point 11 and is divided to trunk line 14 and bypass duct 15.Such method preferably uses trunk line 14 and bypass duct 15 with identical cross-section S to implement.
According to the second form of the embodiment that schematically describes in Fig. 1, amount Q1 and Q2 are different from each other.Therefore, amount Q1 and Q2 satisfy formula [2]:
Q1≠Q2[2]
Such method is for example obtained by the trunk line 14 with cross-sectional plane S1 and bypass duct 15 with cross-sectional plane S2, and cross-sectional plane S1 and S2 are different from each other and satisfy formula [3]:
S1≠S2[3]
More particularly, target of the present invention is to propose a kind of method, and wherein strictly less than the second amount Q2, amount Q1 and Q2 satisfy formula [4] to the first amount Q1:
Q1<Q2[4]
Such method is for example obtained less than the bypass duct 15 with cross-sectional plane S2 by the trunk line 14 with cross-sectional plane S1, and they satisfy formula [5]:
S1<S2[5]
As an example, trunk line is for example, to have cross-sectional plane strictly less than 75mm 2Trunk line 14, and bypass duct 15 has strictly greater than 75mm 2Cross-sectional plane.Preferably, trunk line 14 has the first diameter D1 that equals 6mm, and bypass duct 15 has strictly the Second bobbin diameter D2 greater than 6mm.
Still more preferably, target of the present invention is to propose a kind of method, and wherein the second amount Q2 is strictly greater than five times of the first amount Q1, and amount Q1 and Q2 satisfy formula [6]:
5×Q1<Q2[6]
Such method is for example obtained by the trunk line 14 with cross-sectional plane S1 and the bypass duct 15 with cross-sectional plane S2, satisfies formula [7]:
5×S1<S2[7]
For example, trunk line 14 has the first diameter D1 less than 2.6mm, and bypass duct 15 has the Second bobbin diameter D2 that equals 6mm.
For further example, trunk line 14 has the first diameter D1 less than 1.26mm, and bypass duct 15 has the Second bobbin diameter D2 that equals 4mm.
The present invention finds favourable application in a/c system 1, with regard to the layout on inner loop road 3, and especially with regard to the layout of air-conditioning loop 2, a/c system 1 is more nonspecific.
But the present invention is advantageous particularly for the a/c system 1 of describing in Fig. 2 to 4, and Fig. 2 to 4 has stated the replacement form of the embodiment of the a/c system shown in Fig. 1.
In Fig. 2, a/c system 1 comprises the 3rd loop 126 that air-conditioning loop 2, inner loop road 3 and heat transfer fluid pass through.
Air-conditioning loop 2 comprises compressor 104, the three cooling system conditioners/heat transfer fluid H Exch 106, the first expansion gear 108, the first H Exch 110, the second expansion gear 112 and inner heat exchanger 6.
Advantageously, compressor 104 provides electric power and electricity to drive by the battery of vehicle.The first expansion gear 108 and the second expansion gear 112 are electronic expansion devices, or alternatively, the thermostatic expansion device.
According to the direction of ANALYSIS OF COOLANT FLOW by air-conditioning loop 2, the first expansion gear 108 is positioned at the upstream of the first H Exch 110, and the second expansion gear 112 is positioned at the downstream of the first H Exch 110.In other words, the first expansion gear 108 is positioned at the entrance side of the first H Exch 110, and the second expansion gear 112 is positioned at the outlet side of the first H Exch 110.
The 3rd loop 126 comprises the 3rd pump 118, the 3rd valve 120, radiator 122, air/heat transfer fluid H Exch 124 and the 3rd cooling system conditioner/heat transfer fluid H Exch 106.Radiator 122 is positioned at housing 5, and allows main air flow 4 to be heated.Air/heat transfer fluid H Exch 124 is arranged in the zone of anterior face, and therefore extraneous air stream 10 passes through this H Exch 124.
The heat transfer fluid that cycles through the 3rd loop 126 is for example ethylene glycol water.
The 3rd valve 120 is triple valves, allows heat transfer fluid to be directed to radiator 122 or air/heat transfer fluid H Exch 124 from the 3rd loop 126.Particularly, radiator 122 and air/heat transfer fluid H Exch 124 is located concurrently with respect to the 3rd pump 118 and the 3rd cooling system conditioner/heat transfer fluid H Exch 106.
Inner loop road 2(heat transfer fluid cycles through it) comprise pump 16, secondary valve 134, the second H Exch 136 and external heat exchanger 9.Inner loop road 2 can also comprise the first secondary unit 130 and/or the second secondary unit 132, and they are between pump 16 and secondary valve 134.
Secondary valve 134 is triple valves, allows heat transfer fluid 2 to be directed to the second H Exch 136 or external heat exchanger 9 from the inner loop road.
Particularly, the second H Exch 136 and external heat exchanger 9 are located concurrently with respect to pump 16 and secondary valve 134.
Inner loop road 3 and the 3rd loop 126 are independent of each other.More specifically, inner loop road 3 and the 3rd loop 126 are independently on fluid, and it means, the heat transfer fluid that cycles through inner loop road 2 does not cycle through the 3rd loop 126.
Inner loop road 3 and the 3rd loop 126 also are independent of the air-conditioning loop 2 that circulate coolant is passed through on fluid.
Therefore, cycle through the heat transfer fluid on inner loop road 3, the cooling system conditioner that cycles through the heat transfer fluid of the 3rd loop 126 and cycle through air-conditioning loop 2 can not mix.
Inner loop road 3 is via heat exchanger device 140 and air conditioner loop 2 heat exchange.
According to described embodiment, heat exchange rig 140 comprises the second H Exch 136 and the hot memory module 8 on the first H Exch 110, the inner loop road 3 of air-conditioning loop 2.
Heat exchange rig 140 also comprises sealing chamber 142.Therefore, the second H Exch 136 and the hot memory module 8 on the first H Exch 110 of air-conditioning loop 2, inner loop road 3 are placed in chamber 142.
Two Hs Exch of heat exchange rig 140, that is, second H Exch 136 on the first H Exch 110 of air-conditioning loop 2 and inner loop road 3 is different from each other.Particularly, the first H Exch 110 and the second H Exch 136 belong to respectively air-conditioning loop 2 and inner loop road 3.
Heat exchange rig 140 be connected to air-conditioning loop 2 and inner loop road 3 both.For this reason, it comprises and is connected to the first H Exch 110 and to the first entrance 144 of air-conditioning loop 2 and the first outlet 146.
Heat exchange rig 140 also comprises the second entrance 148 and the second outlet 150 that is connected to the second H Exch 136 and inner loop road 3.
In Fig. 3, the direction that circulates in closed-loop along cooling system conditioner, air-conditioning loop 2 comprise especially can make cooling system conditioner at the compressor 214 of air-conditioning loop 2 inner loop, as condenser 216 operations and first H Exch 216, the first expansion member 218(that can heat main air flow 4 for example, electronic expansion device or thermostatic expansion device), external heat exchanger 9, the second expansion member 222, as evaporator operation and can be inner heat exchanger 6 and the accumulator 226 of main air flow 4 dehumidifying and/or cooling main air flow 4.At outlet side, accumulator 226 is connected to the entrance of compressor 214.
The first H Exch 216 and inner heat exchanger 6 are positioned in housing 5, and this housing leads to the zones of different of vehicle interior.The first H Exch 216 and inner heat exchanger 6 can heat and/or the cooling main air flow 4 that leads to vehicle interior, particularly are being designed for the zone for the windshield demist, central blower fan zone and are pointing to the zone of foot.
Therefore, main air flow 4 alternately or continuously passes through the first H Exch 216 and/or inner heat exchanger 6.Especially, according to a kind of form of embodiment, mix the lobe (not shown) and be arranged in housing 5, separate between the first H Exch 216 and inner heat exchanger 6 to allow main air flow 4.
Advantageously, inner heat exchanger 6 direction that cycles through housing 5 along main air flow 4 is arranged in the upstream of the first H Exch 216.Preferably, all main air flows 4 by and/or walk around the first H Exch 216 before by inner heat exchanger 6.
Air-conditioning loop 2 comprises the first bypass branch 236, arranges concurrently with the first expansion member 218.The first expansion branch 236 and the first expansion member 218 advantageously are plugged between first point of connection 252 and the second point of connection 254 of air-conditioning loop 2.
The direction that the first point of connection 252 and the second point of connection 254 circulate in closed-loop along cooling system conditioner one after the other is plugged between the first H Exch 216 and external heat exchanger 9.Preferably, the first bypass branch 236 comprises the first control cock 230, and this first control cock 230 can be taked open position or off position, and described position allows respectively or stops circulate coolant to pass through the first bypass path 236.
Air-conditioning loop 2 comprises the second bypass branch 242, itself and the second expansion member 222 and arrange concurrently with inner heat exchanger 6.The second bypass branch 242 is arranged in the 3rd point of connection 258 that is positioned on the one hand the second expansion member 222 upstreams and is positioned on the other hand between the 4th point of connection 260 in inner heat exchanger 6 downstreams.Advantageously, the 4th point of connection 260 is arranged in the upstream of accumulator 226.
Preferably, the second bypass branch 242 comprises the second control cock 240, and this second control cock 240 can be taked open position or off position, and described position allows respectively or stops circulate coolant to pass through the second bypass branch 242.
In the various structures of air-conditioning loop 2, preferably, the first expansion member 218 and the second expansion member 222 can be worked as and take off position when the first control cock 230 and the second control cock 240 are shown in an open position respectively.
Cooling system conditioner/heat transfer fluid H Exch 7 is being arranged on air-conditioning loop 2 between the first H Exch 216 and the first point of connection 252.Auxiliary cooling system conditioner/heat transfer fluid H Exch 246 is plugged between external heat exchanger 9 and the 3rd point of connection 258.These arrange that purposes are to allow energy to be stored in and are arranged in hot memory module 8 on inner loop road 3.
In Fig. 4, air-conditioning loop 2 comprises compressor 304, the first expansion gear 306, external heat exchanger 9, control cock 310, the second expansion gear 312 and inner heat exchanger 6 and bottle 316.
Compressor 304 is electric compressor advantageously, and by the powered battery of vehicle.The first expansion gear 306 and the second expansion gear 312 are arranged as about external heat exchanger 9 series connection.More specifically, the first expansion gear 306 is positioned at the entrance side of external heat exchanger 9, and the second expansion gear 312 is positioned at the outlet side of external heat exchanger 9.
Inner loop road 3 comprises any other electric apparatus, hot memory module 8, cooling system conditioner/heat transfer fluid H Exch 7, additional coolant/heat transfer fluid H Exch 332 of auxiliary member (such as the battery of vehicle), vehicle propulsion or traction system or the heat release of pump 16, control cock 324, secondary unit 326, electric heater unit 334, control cock 336, radiator 338 and additive air/heat transfer fluid H Exch 340 alternatively.
Cooling system conditioner/heat transfer fluid H Exch 7 is connected to air-conditioning loop 2 along the direction of circulate coolant in the downstream of compressor 304.In other words, be connected to the outlet of compressor 304 to the cooling system conditioner/entrance of heat transfer fluid H Exch 7.
Additional coolant/heat transfer fluid H Exch 332 be connected to air-conditioning loop 2 and allow heat transfer fluid and cooling system conditioner between heat (cold energy or heat energy) exchange.Additional coolant/heat transfer fluid H Exch 332 is connected to the air-conditioning loop along the direction of circulate coolant in the upstream of compressor 304.In other words, the additional coolant/outlet of heat transfer fluid H Exch 332 is connected to the entrance of compressor 304.
Electric heater unit 334 is optional devices, and comprises the resistance unit (not shown), such as the positive temperature coefficient rock, allows electric energy to be converted to heat energy from Vehicular battery.Therefore these resistance units can be used for the heating heat transfer fluid.
Radiator 338 is positioned at housing 5, and allows by the main air flow 4 of radiator 338 and the interchange of heat between heat transfer fluid.
Additive air/heat transfer fluid H Exch 340 is positioned on the anterior face of vehicle, and allows the interchange of heat between extraneous air stream 10 and heat transfer fluid.
Each embodiment of statement proposes hereinbefore, and heat transfer fluid cycles through simultaneously trunk line 14 and passes through bypass duct 15.Depend on structure, the first amount Q1 that cycles through the heat transfer fluid of trunk line 14 is different from the second amount Q2 that (being less than especially) cycles through the heat transfer fluid of bypass duct 15.
Especially, cycle through the second amount Q2 of heat transfer fluid of bypass duct 15 greater than the first amount of the heat transfer fluid that cycles through trunk line 14 five times of Q1.Especially, cycle through the second amount Q2 of heat transfer fluid of bypass duct 15 greater than the first amount of the heat transfer fluid that cycles through trunk line 14 20 times of Q1.
The specification that depends on a/c system 1, hot storage capacity has the magnitude of 350W, especially for being less than or equal to 15 kilograms of heat transfer fluid flow rates hourly.
The embodiment that the invention is not restricted to above describe He only provide as example is provided.It contains various changes, replacement form and other variation examples that those skilled in the art can imagine within the scope of the invention, especially any combination of the various embodiments described above.

Claims (10)

1. an a/c system (1), a/c system especially for power actuated vehicle, comprise air-conditioning loop (2) and inner loop road (3), heat transfer fluid cycles through described inner loop road (3), and described inner loop road (3) cooperates with air-conditioning loop (2), inner loop road (3) comprises upstream point (11) and point downstream (12), is formed with the trunk line (14) that comprises hot memory module (8) and the bypass duct (15) of walking around hot memory module (8) between described upstream point (11) and point downstream (12).
It is characterized in that, heat transfer fluid cycles through trunk line (14) and bypass duct (15) simultaneously.
2. a/c system as claimed in claim 1 (1), is characterized in that, the first amount (Q1) that cycles through the heat transfer fluid of the first pipeline (14) is different from the second amount (Q2) of the heat transfer fluid that cycles through bypass duct (15).
3. a/c system as claimed in claim 2 (1), is characterized in that, the first amount (Q1) that cycles through the heat transfer fluid of trunk line (14) is less than the second amount (Q2) of the heat transfer fluid that cycles through bypass duct (15).
4. a/c system as claimed in claim 3 (1), is characterized in that, the second amount (Q2) that cycles through the heat transfer fluid of bypass duct (15) is measured (Q1) five times greater than first of the heat transfer fluid that cycles through trunk line (14).
5. a/c system as claimed in claim 1 (1), is characterized in that, the first amount (Q1) that cycles through the heat transfer fluid of trunk line (14) equals to cycle through the second amount (Q2) of the heat transfer fluid of bypass duct (15).
6. a/c system as described in any one in claim 2 to 4 (1), is characterized in that, first cross-sectional plane (S1) of trunk line (14) is different from second cross-sectional plane (S2) of bypass duct (15).
7. a/c system as claimed in claim 6 (1), is characterized in that, first cross-sectional plane (S1) of trunk line (14) is less than second cross-sectional plane (S2) of bypass duct (15).
8. a/c system as described in any one in claim 6 and 7 (1), is characterized in that, second cross-sectional plane (S2) of bypass duct (15) is greater than five times of first cross-sectional plane (S1) of trunk line (14).
9. a/c system as claimed in claim 5 (1), is characterized in that, trunk line (14) and bypass duct (15) have identical cross-sectional plane (S).
10. as the described a/c system of any one (1) in aforementioned claim, it is characterized in that, air-conditioning loop (2) and inner loop road (3) commonage comprise heat transfer fluid/coolant heat exchanger (7).
CN201180047887.4A 2010-08-02 2011-07-22 The a/c system on the inner loop road comprising air conditioning loop and cooperate with air conditioning loop, especially for power actuated vehicle Expired - Fee Related CN103140364B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1003236A FR2963408B1 (en) 2010-08-02 2010-08-02 AIR CONDITIONING SYSTEM, IN PARTICULAR A MOTOR VEHICLE, COMPRISING A CLIMATE LOOP AND A SECONDARY LOOP COOPERATING WITH THE AIR CONDITIONING LOOP
FR1003236 2010-08-02
PCT/EP2011/062627 WO2012016856A1 (en) 2010-08-02 2011-07-22 Air-conditioning system, notably for a motor vehicle, comprising an air-conditioning loop and a secondary loop collaborating with the air-conditioning loop.

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WO2012016856A1 (en) 2012-02-09
EP2601063A1 (en) 2013-06-12

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