CN101337497A - Air-condition/heating system for automobile - Google Patents
Air-condition/heating system for automobile Download PDFInfo
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- CN101337497A CN101337497A CNA2007103058790A CN200710305879A CN101337497A CN 101337497 A CN101337497 A CN 101337497A CN A2007103058790 A CNA2007103058790 A CN A2007103058790A CN 200710305879 A CN200710305879 A CN 200710305879A CN 101337497 A CN101337497 A CN 101337497A
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- exch
- cooling
- refrigerant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00371—Air-conditioning arrangements specially adapted for particular vehicles for vehicles carrying large numbers of passengers, e.g. buses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00557—Details of ducts or cables
- B60H1/00571—Details of ducts or cables of liquid ducts, e.g. for coolant liquids or refrigerants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
- B60H1/00899—Controlling the flow of liquid in a heat pump system
- B60H1/00907—Controlling the flow of liquid in a heat pump system where the flow direction of the refrigerant changes and an evaporator becomes condenser
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
- B60H2001/00949—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices comprising additional heating/cooling sources, e.g. second evaporator
Abstract
The present invention discloses a cooling and heating device of a vehicle. The cooling and heating device comprises a compressor; a condenser; a first heat exchanger which is connected with a condenser and receives and evaporates the condensed cryogen to cool the air in the vehicle or is connected with a high-pressure pipe that is connected with the compressor and condenser through a high-pressure three-way valve and condenses the high-temperature and high-pressure cryogen to heat the air in the vehicle; and a second heat exchanger of which one end is connected to a low-pressure pipe that is connected with the first heat exchanger and the compressor through a low-pressure three-way valve and expands and evaporates the cryogen to cool the cooling water of the engine of the vehicle. The cooling and heating device selectively cools and heats through changing the moving path of the cryogen so that the structure can be simplified and the volume can be minimized.
Description
Technical field
[0001] the present invention relates to a kind of cooling and heating arrangement of vehicle, it can change the motion path by pipeline on-cycle refrigerant, thereby optionally as cooling mechanism or heating arrangement.
Background technology
[0002] cooling of vehicle and heating arrangement comprise fuel ignition temperature booster 10 usually as shown in fig. 1, and the heating pump 11 that is used to heat is used for passenger's temperature booster 12, is used for the temperature booster 13 of operating seat, various heating pipes 14 and cartridge 15.
[0003] fuel ignition temperature booster 10 is used for quickening in severe cold the speed of the temperature build-up of cooling and heating arrangement.Yet the waste gas that this fuel ignition temperature booster 10 is burnt makes the waste gas that comprises a large amount of pollutantss be discharged in the air, thus foul air not by independent filtering equipment.In addition, such waste gas causes high maintenance costs and frequent minor issue.The fire that is produced by the leakage of oil is another problem.
[0004] do not using fuel ignition temperature booster 10 to have only under the situation that high-temperature cooling water (heat is delivered to this high-temperature cooling water from driving engine 20) is used to heat, the speed of temperature build-up is too slow in the vehicle.In addition, the temperature of cooling water expansion tank can not be conditioned, and making does not have the passenger can suitably regulate heating-up temperature.
[0005] at this moment, the temperature booster of vehicle is divided into two types: be used to heat chaufeur the seat chaufeur seat heater 13 and be used to heat passenger's temperature booster 12 of vehicle interior.Passenger's temperature booster 12 is designed to the only interior air of circulating vehicle, thereby they can not suck fresh air outside.After this manner, when temperature booster when working winter, the passenger feels to suffocate.
[0006] in addition, the installation complexity of the heating pipe line 14 of vehicle interferes with complicated vehicle body structure avoiding, and makes initial designs and production and all very inconvenience of installation subsequently of vehicle.
[0007] as shown in fig. 1, under the situation that operating seat temperature booster 13 and passenger's temperature booster 12 project upwards from the base plate of vehicle, its position must be according to being installed in the type at the seat in the vehicle and the interval between them changes.Especially, when vehicle will be reequiped its inside after the warehouse is paid, interfere in order to prevent the seat, regulate the interval between the passenger-seat, must change the position of temperature booster this moment.At this moment, heating pipe 14 must change types and increase length, and the distribution of controlling each temperature booster must be accelerated simultaneously and changed type.
[0008] in addition, owing to heat pipe range and have many joints, therefore when producing vehicle, rubber tube is used as some adaptor unions based on its work applicability.This rubber tube damages the leakage of generation water as a result owing to contacting with high-temperature cooling water to take place to wear out.
[0009] at this moment, the cooling mechanism 30 that is used for reducing vehicle interior temperature is installed in vehicle.In cooling mechanism 30, condenser 31 and evaporator 32 independent installations as shown in Fig. 2 A, perhaps are configured to mono-unit 33.
[0010] work of this cooling mechanism 30 is described below with reference to Fig. 3.
[0011] refrigerant arrives condenser 31 then by compressor 33 compressions under the high temperature and high pressure gaseous state.Condenser 31 use the air from outside vehicle the hyperthermia induced cryogen is cooled in gentle highly pressurised liquid state.Middle gentle high-pressure refrigerant by condenser 31 is converted to low temperature and low pressure steam refrigerant when by expander 34.Low temperature and low pressure steam refrigerant is when once more when the evaporator 32 and the hot air heat-shift of vehicle interior, and returns compressor 33 thus under low temperature and low-pressure gas state.
[0012] only is used to strengthen understanding in the disclosed information of this background parts of the present invention, and should be regarded as admitting or hints that in any form this information forms prior art well known by persons skilled in the art background of the present invention.
Summary of the invention
[0013] therefore, the present invention considers that the above problem that occurs in the correlation technique makes, and an object of the present invention is to provide a kind of cooling and heating arrangement of vehicle, it can change the motion path by pipeline on-cycle refrigerant, thereby optionally as cooling mechanism or heating arrangement.
[0014] another object of the present invention provides a kind of cooling and heating arrangement of vehicle, and it can be realized low maintenance expense and prevent the pollution of the environment.
[0015] another target of the present invention provides a kind of cooling and heating arrangement of vehicle, and it can be during cooling and the extraneous air that during heating sucks and circulate, and remains on comfortable state with the air with vehicle interior.
[0016] in order to realize above target, according to an aspect of the present invention, provide a kind of cooling and heating arrangement of vehicle, it comprises: compressor, its compression refrigerant; Condenser, it is connected to compressor; First H Exch, it is connected to condenser, and reception and evaporative condenser refrigerant is with air in the cooling car, and perhaps it is connected to high-pressure pipe, this high-pressure pipe is connected with condenser with compressor by the Highpressure Tee valve, and condensation high temperature, high-pressure refrigerant are to heat air in the car; With second H Exch, its bonded assembly low-voltage tube, low-voltage tube is connected to and first H Exch and compressor by the low pressure triple valve, and expansion and cooling by evaporation agent are with the cooling water expansion tank of the driving engine of cooling vehicle.
[0017] thereby, cooling and heating arrangement can be carried out cooling and heat by the valve passage switching selectivity ground of Highpressure Tee valve and low pressure triple valve.
[0018] in order to cool off vehicle, the Highpressure Tee valve arrives condenser with the feasible high temperature from compressor of the mode in formation loop, high pressure gas cryogen flow, and the feasible low temperature from first H Exch of mode, the low-pressure gas cryogen flow in low pressure triple valve formation loop arrive compressor.
[0019] first H Exch is connected with connection pipe, is used to expand in connection pipe be installed in the front of first H Exch by the expander of the refrigerant of condenser condenses, so that middle temperature, highly pressurised liquid refrigerant are changed into low temperature, low pressure steam refrigerant.
[0020] in addition, expander is installed on the fwd connection pipe of first H Exch, and this connection pipe comprises check valve, and it allows refrigerant to flow to first H Exch and stop refrigerant to flow to expander from first H Exch from expander.
[0021] in order to heat vehicle, the mode that the Highpressure Tee valve forms the loop makes from the high temperature of compressor, high pressure gas cryogen flow to first H Exch, and the low pressure triple valve mode that forms the loop makes from the middle temperature of first H Exch, highly pressurised liquid cryogen flow to second H Exch.
[0022] second H Exch comprises the expansion valve that is installed in the low pressure arm, and it is arranged between second H Exch and the low pressure triple valve so that middle temperature, highly pressurised liquid refrigerant are changed into low temperature, low pressure steam refrigerant.
[0023] in addition, second H Exch is connected with driving engine by circulating pipe, and the cooling-water valve that is used to control the motion of cooling water expansion tank is installed in circulating pipe.
[0024] first H Exch comprises air blower, and its extraneous air with place one side is incorporated into vehicle inside.
[0025] compressor in be provided with refrigerant temperature booster, the refrigerant in its pre-thermocompressor with resistive heater coil.
[0026] according to the cooling and the heating arrangement of claim 1, the motion path of the change refrigerant by the operation triple valve and optionally carry out cooling or heating, make when producing vehicle, therefore the volume of the quantity of operation and cooling and heating arrangement is minimized, and can easily select to cool off the installation site with heating arrangement.
[0027] according to the cooling and the heating arrangement of claim 2, cools off vehicle, make and to use cooling and heating arrangement easily to cool off with simple structure by the operation of high pressure and low pressure triple valve.
[0028] according to the cooling and the heating arrangement of claim 3, expander is installed on first H Exch, make cooling and heating arrangement can realize simpler structure, middle temperature, highly pressurised liquid refrigerant are changed into low temperature, low pressure steam refrigerant carry out cooling, and therefore more effectively cool off vehicle with the latent heat (latentheat) that uses evaporation.
[0029] according to the cooling and the heating arrangement of claim 4, check valve is installed on the connection pipe, and expander is installed in the front of first H Exch on connection pipe, makes to allow refrigerant to flow along a direction.Therefore thus, cooling down operation and heating operation are stably carried out, and more effectively cool off and heat vehicle.
[0030] according to the cooling and the heating arrangement of claim 5, heats vehicle, make and to use cooling and heating arrangement to carry out the operation of heating vehicle with simple structure by the operation of high pressure and low pressure triple valve.In addition, during heating operation, use the cooling water expansion tank of cooling refrigerant and driving engine, can not produce the independent fuel cost that is used to heat vehicle like this.Thereby, can reduce fuel cost, and can prevent the pollution of the environment simultaneously.During the cooling down operation and during heating operation, extraneous air is inhaled into and circulates, and makes the air of vehicle interior can remain on comfortable state.
[0031] according to the cooling and the heating arrangement of claim 6, expansion valve is installed on second H Exch, make cooling and heating arrangement can realize simpler structure, middle temperature, highly pressurised liquid refrigerant are changed into low temperature, low pressure steam refrigerant, use the cooling water expansion tank of the latent heat cooled engine of evaporation thus, and therefore more effectively heat vehicle.
[0032] according to the cooling and the heating arrangement of claim 7, heating operation can take place simultaneously with the cooling of the cooling water expansion tank of driving engine, makes the flow velocity that can control the cooling water expansion tank of driving engine by cooling-water valve, and therefore cooled engine more effectively.
[0033] cooling according to Claim 8 and heating arrangement, first H Exch has the air blower that extraneous air is incorporated into vehicle interior, make to be inhaled into and to circulate, and therefore the air of vehicle interior can always remain on comfortable state at extraneous air during the cooling down operation and during heating operation.
[0034] according to the cooling and the heating arrangement of claim 9, be provided with refrigerant temperature booster in the compressor with resistive heater coil, make cooling and heating arrangement can realize that simple structure and pre-hot refrigerant are to carry out the actv. heating operation.
Description of drawings
[0035] only is used to strengthen to the understanding of background of the present invention in the disclosed information of this background parts of the present invention and should be regarded as admitting or hints that in any form this information forms prior art well known by persons skilled in the art.
[0036] Fig. 1 is the common heating schematic representation of apparatus that vehicle is shown;
[0037] Fig. 2 A and 2B are the scheme drawings that the common cooling mechanism of vehicle is shown;
[0038] Fig. 3 is the block diagram that the common cooling mechanism of vehicle is shown;
[0039] Fig. 4 illustrates the cooling of vehicle according to an embodiment of the invention and the perspective schematic view of heating arrangement;
[0040] Fig. 5 illustrates the cooling of vehicle according to an embodiment of the invention and the block diagram of heating arrangement;
[0041] Fig. 6 illustrates the scheme drawing that is used for first H Exch of cooling down operation in the cooling of vehicle according to an embodiment of the invention and the heating arrangement;
[0042] Fig. 7 illustrates the cooling of vehicle according to an embodiment of the invention and the scheme drawing of second H Exch in the heating arrangement;
[0043] Fig. 8 is the block diagram that flows that refrigerant during the cooling down operation of the cooling of vehicle according to an embodiment of the invention and heating arrangement is shown; With
[0044] Fig. 9 is the block diagram that flows that refrigerant during the heating operation of the cooling of vehicle according to an embodiment of the invention and heating arrangement is shown.
[0045] should be appreciated that accompanying drawing not necessarily in proportion, it has represented the simplified representation to a certain degree of the various preferred features that groundwork of the present invention is described.Specific design feature of the present invention disclosed herein for example comprises specific dimensions, direction, position and shape, will partly be determined by special expection application and environment for use.
[0046] in the accompanying drawings, Reference numeral is represented identical or equivalent unit of the present invention in all several figure.
The specific embodiment
[0047] now will be in detail with reference to the preferred embodiments of the present invention, one of them example is shown in the drawings and be described below.Although the present invention will be described with reference to exemplary embodiments, be to be understood that description is not intended to the present invention is limited to this exemplary embodiments.On the contrary, the present invention is intended to not only contain exemplary embodiments, and contains various alternative, modification, equivalent and other embodiment that can be included in the spirit and scope of the present invention that limited by appended claims.
[0048] Fig. 4 illustrates the cooling of vehicle according to an embodiment of the invention and the perspective schematic view of heating arrangement.Fig. 5 illustrates the cooling of vehicle according to an embodiment of the invention and the block diagram of heating arrangement.Fig. 6 illustrates the scheme drawing that is used for first H Exch of cooling down operation in the cooling of vehicle according to an embodiment of the invention and the heating arrangement.Fig. 7 illustrates the cooling of vehicle according to an embodiment of the invention and the scheme drawing of second H Exch in the heating arrangement.Fig. 8 is the block diagram that flows that refrigerant during the cooling down operation of the cooling of vehicle according to an embodiment of the invention and heating arrangement is shown.Fig. 9 is the block diagram that flows that refrigerant during the heating operation of the cooling of vehicle according to an embodiment of the invention and heating arrangement is shown.
[0049] as shown in the figure, the cooling of vehicle according to an embodiment of the invention and heating arrangement comprise the compressor 100 that is used for compression refrigerant.Compressor 100 is equipped with refrigerant temperature booster 100a.
[0050] cooling and the heating arrangement for operation vehicle of the present invention in severe cold heats to carry out, and a kind of viscosity is owing to the refrigerant that low temperature reduces was preheated before compressor operation.For this reason, refrigerant temperature booster 100a is mounted with pre-hot refrigerant, thereby realizes the required viscosity of operate compressor.Be used for refrigerant temperature booster 100a of the present invention preferably by 24V direct current (DC) power drives from vehicle output.After compressor 100 operations, when the temperature of refrigerant arrives proper level, close refrigerant temperature booster 100a.
[0051] refrigerant temperature booster 100a in the resistive heater coil is equipped with, it adds the refrigerant in the thermocompressor 100.
[0052] at this moment, compressor 100 is connected to an end of the high-pressure pipe 101 that is positioned at its outgoing side, and the other end of high-pressure pipe 101 is connected to the input side of condenser 110.
[0053] in addition, condenser 110 is connected to an end of the connection pipe 111 that is positioned at its outgoing side, and the other end of connection pipe 111 is connected to the input side of first H Exch 120.Connection pipe 111 is connected to expander 130, and this expander expands by the refrigerant of condenser 110 condensations.
[0054] first H Exch 120 has two difference in functionalitys, and one of them is used for cooling down operation, and another is used for heating operation.During cooling down operation, the refrigerant that first H Exch 120 receives from condenser 110, the refrigerant that evaporation is received, and cool off air in the car thus.On the contrary, during heating operation, first H Exch 120 by be installed in compressor 100 and condenser 110 bonded assembly high-pressure pipes 101 in triple valve 161 receive high temperature, high-pressure refrigerant, the refrigerant that the Cryogenic air condensation that use is introduced from the outside receives, and heating is incorporated into the air of vehicle interior.
[0055] for this reason, high pressure arm 169 is connected between the high-pressure pipe 101 and first H Exch 120, and high-pressure pipe 101 is connected with condenser 110 with compressor 100.Highpressure Tee valve 161 is installed in the joint between high-pressure pipe 101 and the high pressure arm 169, so that change the motion path of refrigerant.
[0056] this Highpressure Tee valve 161 selects cooling and heating operation to change its passage by the operator.More specifically, as under the situation of cooling mechanism, the feasible high temperature from compressor 100 of mode, high pressure gas cryogen flow that Highpressure Tee valve 161 forms the loop arrive condenser 110 in the present invention.On the contrary, as under the situation of heating arrangement, the mode in Highpressure Tee valve 161 formation loops makes from the high temperature of compressor 100, high pressure gas cryogen flow to first H Exch 120 in the present invention.
[0057] in addition, first H Exch 120 is connected to the check valve 130a of connection pipe 111, and expander 130 is installed in the front of first H Exch on described connection pipe.Check valve 130a allows refrigerant to flow to first H Exch from expander, but does not allow to flow in opposite direction, that is to say, prevents that refrigerant from flowing to expander 130 from first H Exch 120.
[0058] first H Exch 120 is connected with an end of the low-voltage tube 121 that is positioned at its outgoing side, and the other end of low-voltage tube 121 is connected to the input side of compressor 100.
[0059] in other words, low-voltage tube 121 is installed between the input side of the outgoing side of first H Exch 120 and compressor 100.Low-voltage tube 121 is connected with low pressure arm 170.Low pressure triple valve 171 is installed in the joint between low pressure arm 170 and the low-voltage tube 121, so that change the motion path of refrigerant.
[0060] second H Exch 150 is installed on the low pressure arm 170, its cooling is around driving engine 140 on-cycle cooling water expansion tanks.Second H Exch 150 is connected with driving engine 140 by circulating pipe 141.Circulating pipe 141 has the cooling-water valve 142 that is installed in wherein, the motion of its control cooling water expansion tank.
[0061] second H Exch 150 is connected to low-voltage tube 121 by the low pressure triple valve 171 that is positioned at the one end, low-voltage tube 121 is connected to compressor 100 with first H Exch 120, and the cooling water expansion tank of the driving engine 140 of vehicle is cooled off in expansion and cooling by evaporation agent thus.This low pressure triple valve 171 selects cooling and heating operation to change its passage by the operator.
[0062] more specifically, as under the situation of cooling mechanism, the feasible low temperature from first H Exch 120 of mode, low-pressure gas cryogen flow that low pressure triple valve 171 forms the loop arrive compressor 100 in the present invention.On the contrary, as under the situation of heating arrangement, the mode in low pressure triple valve 171 formation loops makes from the middle temperature of compressor 100, highly pressurised liquid cryogen flow to first H Exch 120 and second H Exch 150 in the present invention.
[0063] in addition, expansion valve 172 is installed in the joint between the low pressure arm 170 and second H Exch 150.
[0064] the present invention who disposes in this mode realizes cooling and heating simultaneously by change high temperature, high-pressure refrigerant on-cycle path.
[0065] in other words, first H Exch 120 is used for condensing refrigerant during heating.At this moment, condenser 110 inoperation.At this moment, second H Exch 150 is installed extraly with the cooling by evaporation agent, and therefore heat-shift between the hot cooling water of cold refrigerant and driving engine 140, make this device under the situation that driving engine 140 starts in severe cold, stably work.
[0066] present, will the cooling of vehicle according to the invention and the operation of heating arrangement be described.
[0067] at first, during cooling down operation, the cycle mode of refrigerant is identical with the cycle mode in the heating arrangement with the existing cooling of vehicle.
[0068] as shown in Figure 8, Highpressure Tee valve 161 is switched to high-pressure pipe 101, makes refrigerant flow to condenser 110 from compressor 100.Low pressure triple valve 171 is switched to low-voltage tube 121, makes refrigerant flow to compressor 100 from first H Exch 120.
[0069] thereby, temperature, highly pressurised liquid refrigerant being condensed into by the Cryogenic air of introducing from the outside during by the high temperature of compressor 100 compression, high pressure gas refrigerant by condenser 110.Then, middle temperature, highly pressurised liquid refrigerant are being inflated into low temperature, low pressure steam refrigerant by during being installed in the expander 130 on the connection pipe 111.Thereby low temperature, low pressure steam refrigerant are supplied to first H Exch 120.
[0070] is supplied to the extraneous air heat-shift that the low temperature, low pressure steam refrigerant of first H Exch 120 and operation by air blower 180 suck, and is converted to low temperature, low-pressure gas refrigerant thus.Then, this low temperature, low-pressure gas refrigerant are introduced in compressor 100, and are compressed into high temperature, high pressure gas refrigerant by compressor 100.High temperature, high pressure gas refrigerant flow to condenser 110 once more.
[0071] in this process, the extraneous air that sucks by the air blower 180 that is installed in first H Exch, 120 1 sides by during first H Exch 120 because of the interchange of heat drop in temperature, be introduced in vehicle inside then.Therefore, vehicle inside can be cooled.
[0072] at this moment, as shown in Figure 9, during heating operation, Highpressure Tee valve 161 is switched to high pressure arm 160 feasible high temperature from compressor 100 dischargings, high pressure gas cryogen flow to first H Exch 120, and low pressure triple valve 171 is switched to low pressure arm 170 feasible middle temperature, highly pressurised liquid refrigerant by flowing to second H Exch 150 with first H Exch, 120 bonded assembly low-voltage tubes 121.
[0073] thereby, be supplied to first H Exch 120 from high temperature, the high pressure gas refrigerant of compressor 100 discharging by high-pressure pipe 101 and high pressure arm 160, and the extraneous air heat-shift that sucks with operation then by air blower 180.Then, the high temperature behind the interchange of heat, high pressure gas refrigerant are discharged under middle temperature, highly pressurised liquid state.
[0074] in this process, extraneous air temperature by first H Exch 120 time that the operation by air blower 180 sucks is improved, and is introduced in vehicle inside.Thereby vehicle inside can be heated.
[0075] the middle temperature that temperature is lowered by first H Exch 120 time, highly pressurised liquid refrigerant flow to low pressure arm 170 by means of low pressure triple valve 171, and are inflated into low temperature, low pressure steam refrigerant when the expansion valve 172 of the other end by being installed in low pressure arm 170.Then, low temperature, low pressure steam cryogen flow are to second H Exch 150.
[0076] flows into the cooling water expansion tank heat-shift of low temperature, low pressure steam refrigerant and the circulation cooling driving engine of second H Exch 150, and be converted to low temperature, low-pressure gas refrigerant thus.Then, low temperature, low-pressure gas refrigerant are introduced in compressor 100.
[0077] in this process, the cooling water expansion tank of driving engine 140 changes to low temperature from high temperature by second H Exch 150 time, makes that it can cooled engine 140.The flow velocity of cooling water expansion tank that is introduced in the driving engine 140 of second H Exch 150 can be controlled by the cooling-water valve 142 that is installed on the circulating pipe 141.
[0078] in this mode, the present invention can heat vehicle inside, and cools off the cooling water expansion tank of the driving engine of vehicle simultaneously.
[0079] as mentioned above, in the cooling and heating arrangement of vehicle according to the invention, the motion path of refrigerant is changed by being installed in triple valve 161 in high-pressure pipe 101 and the low- voltage tube 171 and 171 operation, and optionally carries out cooling down operation and heating operation thus.As a result, when producing vehicle, the quantity of operation can be minimized, and the volume of cooling and heating arrangement can be minimized.Thereby, can more freely select the cooling of vehicle and the installation site of heating arrangement.
[0080] in addition, during heating operation, use to add the cooling water expansion tank of hot refrigerant and driving engine, thereby can not cause being used to heat the independent fuel cost of vehicle.Thereby, can guarantee to reduce fuel cost and prevent the pollution of the environment.
[0081] in addition, during the cooling down operation and during heating operation, extraneous air is inhaled into and circulates, and makes the air of vehicle interior can remain on comfortable state.
[0082] although described exemplary embodiments of the present invention, it should be appreciated by those skilled in the art that under the situation of disclosed scope and spirit of the present invention in not breaking away from as appended claims for illustration purpose, various modifications, it all is possible increasing or replacing.
Claims (9)
1, a kind of cooling of vehicle and heating arrangement, it comprises:
Compressor, its compression refrigerant;
Condenser, it is connected to this compressor;
First H Exch, it is connected to this condenser, and the refrigerant behind reception and the evaporative condenser is with air in the cooling car, and perhaps it is connected to the high-pressure pipe that is connected with condenser with compressor by the Highpressure Tee valve, and condensation high temperature, high-pressure refrigerant are with air in the heating car; With
Second H Exch, it is connected to and first H Exch and compressor bonded assembly low-voltage tube by the low pressure triple valve, and expansion and cooling by evaporation agent be with the cooling water expansion tank of the driving engine of cooling vehicle,
Wherein carry out cooling and heating by the valve passage switching selectivity ground of Highpressure Tee valve and low pressure triple valve.
2, cooling according to claim 1 and heating arrangement, wherein in order to cool off vehicle, the feasible high temperature from compressor of mode in Highpressure Tee valve formation loop, high pressure gas cryogen flow are to condenser, and the feasible low temperature from first H Exch of mode, the low-pressure gas cryogen flow in low pressure triple valve formation loop arrive compressor.
3, cooling according to claim 2 and heating arrangement, wherein first H Exch is connected with connection pipe, expanding in connection pipe is installed in the front of first H Exch by the expander of the refrigerant after the condenser condenses, so that middle temperature, highly pressurised liquid refrigerant are changed into low temperature, low pressure steam refrigerant.
4, cooling according to claim 3 and heating arrangement, the connection pipe that expander wherein is installed in the front of first H Exch comprises check valve, it allows refrigerant to flow to first H Exch from expander, and stops refrigerant to flow to expander from first H Exch.
5, cooling according to claim 1 and heating arrangement, wherein in order to heat vehicle, the mode that the Highpressure Tee valve forms the loop makes from the high temperature of compressor, high pressure gas cryogen flow to first H Exch, and the low pressure triple valve mode that forms the loop makes from the middle temperature of first H Exch, highly pressurised liquid cryogen flow to second H Exch.
6, cooling according to claim 5 and heating arrangement, wherein second H Exch comprises the expansion valve that is installed in the low pressure arm, and it is arranged between second H Exch and the low pressure triple valve so that middle temperature, highly pressurised liquid refrigerant are changed into low temperature, low pressure steam refrigerant.
7, cooling according to claim 6 and heating arrangement, wherein second H Exch is connected with driving engine by circulating pipe, and the cooling-water valve that is used to control the motion of cooling water expansion tank is installed in circulating pipe.
8, cooling according to claim 1 and heating arrangement, wherein first H Exch comprises the air blower that is positioned at its one side, this air blower is incorporated into vehicle inside with extraneous air.
9, cooling according to claim 1 and heating arrangement, wherein compressor in be provided with refrigerant temperature booster, the refrigerant in the pre-thermocompressor of this refrigerant temperature booster with resistive heater coil.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020070066549 | 2007-07-03 | ||
| KR1020070066549A KR100836111B1 (en) | 2007-07-03 | 2007-07-03 | Air-condition/heating system for bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101337497A true CN101337497A (en) | 2009-01-07 |
Family
ID=39770431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007103058790A Pending CN101337497A (en) | 2007-07-03 | 2007-12-28 | Air-condition/heating system for automobile |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100836111B1 (en) |
| CN (1) | CN101337497A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102126410A (en) * | 2011-01-13 | 2011-07-20 | 珠海银通新动力科技有限公司 | Air-conditioning system for automobiles |
| CN102472144A (en) * | 2009-08-12 | 2012-05-23 | 罗伯特·博世有限公司 | Device for utilizing waste heat |
| CN103796853A (en) * | 2011-05-20 | 2014-05-14 | 法雷奥热系统公司 | Heating, ventilation and/or air-conditioning apparatus including an air flow channel bypassing a heat exchanger |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040079686A (en) * | 2003-03-10 | 2004-09-16 | 한라공조주식회사 | Heater System of an Automobile |
-
2007
- 2007-07-03 KR KR1020070066549A patent/KR100836111B1/en not_active IP Right Cessation
- 2007-12-28 CN CNA2007103058790A patent/CN101337497A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102472144A (en) * | 2009-08-12 | 2012-05-23 | 罗伯特·博世有限公司 | Device for utilizing waste heat |
| CN102472144B (en) * | 2009-08-12 | 2015-06-03 | 罗伯特·博世有限公司 | Device for utilizing waste heat |
| CN102126410A (en) * | 2011-01-13 | 2011-07-20 | 珠海银通新动力科技有限公司 | Air-conditioning system for automobiles |
| CN103796853A (en) * | 2011-05-20 | 2014-05-14 | 法雷奥热系统公司 | Heating, ventilation and/or air-conditioning apparatus including an air flow channel bypassing a heat exchanger |
| CN103796853B (en) * | 2011-05-20 | 2016-07-13 | 法雷奥热系统公司 | The HVAC of air flow passage and/or air-conditioning equipment including bypass heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100836111B1 (en) | 2008-06-09 |
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Open date: 20090107 |