CN1892149A - Method and system for packaging HVAC components - Google Patents

Method and system for packaging HVAC components Download PDF

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Publication number
CN1892149A
CN1892149A CNA2006100956650A CN200610095665A CN1892149A CN 1892149 A CN1892149 A CN 1892149A CN A2006100956650 A CNA2006100956650 A CN A2006100956650A CN 200610095665 A CN200610095665 A CN 200610095665A CN 1892149 A CN1892149 A CN 1892149A
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CN
China
Prior art keywords
compressor
heat exchanger
condenser
hvac
expansion valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2006100956650A
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Chinese (zh)
Inventor
R·P·麦肯安尼
M·T·格林姆
K·R·海涅
D·E·哈德费尔德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Caterpillar Inc
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Caterpillar Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Caterpillar Inc filed Critical Caterpillar Inc
Publication of CN1892149A publication Critical patent/CN1892149A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
    • 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
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/3228—Cooling devices using compression characterised by refrigerant circuit configurations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/21—Modules for refrigeration systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2509—Economiser valves

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

An apparatus and method of controlling a heating and cooling system may include utilizing a heating, ventilation, and air conditioning (HVAC) module for an HVAC system. The HVAC module may include an input port, a compressor connected to the input port, a condenser connected to the compressor, a heat exchanger connected to the compressor, an output port connected to the heat exchanger, and a thermostatic expansion valve connected to the condenser, the compressor, and the heat exchanger.

Description

The method and system that is used for packaging HVAC components
Technical field
The present invention relates generally to heating, ventilation, air-conditioning (HVAC) system, relates in particular to a kind of sub-assembly that is designed for the HVAC system on the vehicle.
Background technology
Can be equipped with heating, ventilation, air-conditioning (HVAC) system on the modern vehicle with the air through regulate of control to the supply of the compartment of for example vehicle.On some vehicle platform, an assembly of HVAC system can be placed on the position, and on another vehicle platform, same HVAC system component can be placed on the different position.In addition, some vehicle platform can need a kind of HVAC system component, and can need the identical assembly of another kind of or another model on another vehicle platform.Adopt another kind of or another model of same assembly can need to change connection usually, cooperate, and need carry out extra remodeling etc., thereby be the additional device of this arrangement of components vehicle.This brings difficulty can for the trial of wanting assembly is fitted on the different vehicle platform.As a result, to the platform of different structure designs, be to cause inefficiency with combination of components, and can producing the relevant extraneous expense of taking with renovating different component design of extra effort.
Another trend in the Hyundai Motor manufacturing comprises that the quantity of assembly and part increases fast in the enging cabin of vehicle.To cause like this that free space has reduced in the enging cabin, and therefore make people day by day in the sub-assembly of many combination of components to a compact conformation that will be correlated with of demand.A kind of like this assembling unit structure compactness of combination and score from assembly more economically.In addition, also can simplify or cancel connection between the assembly of separation in the past.
In trial, proposed in the sub-assembly of combination of components to a compact conformation that will be relevant for the vehicle that adapts to a kind of particular type.
Authorize the United States Patent (USP) 3,754,410 of Jacobs and described a kind of compressor and condenser combination that is used for vehicle air conditioner.Though should ' 410 patents can provide a kind of compressor of combination and the sub-assembly of condenser, compressor is by belt pulley-fan (pulley-fan) member drives that is connected in internal combustion engine by rotating band.Like this, the output of the power of compressor just directly is subjected to the restriction of the actuating speed of engine.Therefore compressor can make the compartment sub-cooled of automobile according to the engine speed of vehicle.This can cause the service efficiency of vehicle power low.Therefore, can adopt additional method to compensate cold effect.Yet such method can increase undesirable cost.
Be intended to solve above-mentioned one or more problems with the corresponding to method and system of special characteristic of the present invention.
Summary of the invention
A kind of HVAC assembly unit that is used for heating, heating ventilation and air-conditioning (HVAC) system is provided in one embodiment.This HVAC assembly unit can comprise an input port, be connected in a compressor of this input port, be connected in this compressor a condenser, be connected in a heat exchanger of this condenser, an isothermal expansion valve that is connected in a delivery outlet of this heat exchanger and is connected in condenser, compressor and heat exchanger.
Another aspect of the present invention comprises a kind of work mechanism with a heating and cooling system.This work mechanism can comprise a driver's cabin and a heating, heating ventilation and air-conditioning (HVAC) system, and this system provides air through regulating to driver's cabin.The HVAC system can have a HVAC assembly unit that is connected in an evaporator bank component.This HVAC assembly unit also can comprise an input port, be connected in a compressor of this input port, be connected in this compressor a condenser, be connected in a heat exchanger of this condenser, an isothermal expansion valve that is connected in a delivery outlet of this heat exchanger and is connected in condenser, compressor and heat exchanger.
Another aspect of the present invention comprises a kind of method of controlling a heating and cooling system.This method can comprise a kind of cold-producing medium of circulation, makes it to flow in turn and by a compressor, a condenser, a heat exchanger and an evaporator bank component and get back to compressor.This method also can comprise the part of circulating refrigerant, it is flowed to and by flowing back into this first isothermal expansion valve behind one first isothermal expansion valve and the heat exchanger from condenser in turn, and get back to compressor.
Another aspect of the present invention comprises a kind of work mechanism, and this work mechanism has a driver's cabin and is configured to be used for provide to driver's cabin a heating, heating ventilation and air-conditioning (HVAC) system of the air through regulating.This work mechanism also can comprise a HVAC system, this system has a package group component, this sub-assembly has a HVAC assembly unit, and this HVAC assembly unit comprises an input port, is connected in a compressor of this input port, is connected to a condenser and a heat exchanger of this compressor, an isothermal expansion valve that is connected in a delivery outlet of this heat exchanger and is connected in condenser, compressor and heat exchanger.
Another aspect of the present invention comprises a kind of method of controlling a heating and cooling system.This method can comprise a kind of cold-producing medium of circulation, make it by a compressor an input, flow to a condenser, and directly flow to and flow out a heat exchanger.This method also can comprise makes the part of refrigerant break-in of leaving condenser, and makes this part cold-producing medium by heat exchanger and get back to compressor indirectly, thereby subsequently this part cold-producing medium is flowed to heat exchanger.
Description of drawings
Fig. 1 is according to view of the present invention, that have the exemplary operation machinery of a HVAC assembly unit;
Fig. 2 is the schematic diagram of HVAC assembly unit shown in Figure 1; And
Fig. 3 is the stereogram of HVAC assembly unit illustrated in figures 1 and 2.
The specific embodiment
Fig. 1 shows a kind of heating, heating ventilation and air-conditioning (HVAC) system 112, and this system is combined in the work mechanism 100.This work mechanism 100 can be the fixing or flexible mechanical of any type, it can finish the work of some type relevant with specific industry, such as mining, building, farming, transportation etc., and can between working site (for example construction site, mining scene, power plant, open-road applications occasion etc.) or among work.The non-limiting example of work mechanism 100 can comprise various Business Machines, such as the machinery of working in the working site of material handling device, cultivating apparatus, waterborne vessel, aircraft and any kind of crane, muck haulage work mechanism, other type.Work mechanism 100 also can refer to the automobile of any kind or the commerial vehicle of other type.Fig. 1 is shown as work mechanism 100 work mechanism of a highway truck type.
HVAC system 112 can provide power by any suitable power source.For example the HVAC system can be driven by a generator 114 of an internal combustion engine 110 that is connected in work mechanism 100.Perhaps, HVAC system 112 can be driven by another kind of power unit, connects the power supply (not shown) such as fuel cell or direct current, perhaps can directly be driven by the internal combustion engine 110 of work mechanism 100.HVAC system 112 can be configured to be used in work mechanism 100 a desirable compartment 102 provides air through regulating.This compartment 102 can comprise a for example driver's cabin of work mechanism 100, by one or more air vents 109 air through regulating is flowed to this driver's cabin.
Referring to Fig. 2, HVAC system 112 can comprise many assemblies that are joined together to form individual unit or structure.This individual unit or structure will be at the following HVAC assembly units 200 that is called as.This HVAC assembly unit 200 can comprise that compressor 202, a condenser 204, a steam of an electrical motor driven spray heat exchanger 206 and a steam sprays heat exchanger isothermal expansion valve 208.As described in detail in the following, can use many tube connectors to connect these assemblies of HVAC assembly unit 200.
HVAC assembly unit 200 can be connected in an evaporimeter 210 of work mechanism 100 to form a closed loop refrigerating circuit 212, is used to the processing fluid that circulates suitable, such as cryogenic fluid.Like this, cryogenic fluid can experience the thermal procession of part and further be handled by evaporimeter 210 when cryogenic fluid is changed into gas phase in HVAC assembly unit 200.Evaporimeter 210 can be configured to by the cleaning of air stream, thus the air supply stream of the refrigeration of generation or cooling, and available any traditional mode is crossed the compartment 102 that one or more air vents 109 flow to work mechanism 100 with this circulation of air.
HVAC assembly unit 200 can comprise the pipeline of any kind, and these pipelines connect all assemblies of HVAC assembly unit 200.Such pipeline can comprise following non-limiting article, such as utilizing suitable counterpart, connection flexible pipe, pipeline and the pipe that type and/or slip (slip-on) type counterpart connects that be threaded for example.For the specific pipeline of HVAC assembly unit 200, can adopt a tube connector 214 a cold-producing medium input port 216 of HVAC assembly unit 200 to be connected to a first input end 270 of compressor 202.Condenser 204 can be connected in compressor 202 by tube connector 218.Can use tube connector 220 that condenser 204 is connected to the first input end 222 that steam sprays heat exchanger 206.One first output 226 that tube connector 224 sprays heat exchanger 206 with steam is connected to a refrigerant delivery outlet 228 of HVAC assembly unit 200.
Also the part of the cold-producing medium of self cooling condenser 204 is supplied to steam to spray heat exchanger isothermal expansion valve 208 in the future.Can adopt tube connector 230 that tube connector 220 is connected to the first input end 232 that steam sprays heat exchanger isothermal expansion valve 208.Can adopt a tube connector 234 that steam is sprayed 208 connections of heat exchanger isothermal expansion valve and get back to steam injection heat exchanger 206.Like this, tube connector 234 one first output 236 that steam can be sprayed heat exchanger isothermal expansion valve 208 is connected to one second input 238 that steam sprays heat exchanger 206.Steam can be sprayed heat exchanger 206 and take back steam injection heat exchanger isothermal expansion valve 208.One second output 242 that tube connector 240 can spray steam heat exchanger 206 is connected to one second input 244 that steam sprays heat exchanger isothermal expansion valve 208.Steam sprays the tube connector 248 that extends between one second input 250 of an output of heat exchanger isothermal expansion valve 208 can be by spraying heat exchanger isothermal expansion valve 208 at steam one second output 246 and compressor 202 and is connected in compressor 202.
As above mentioned, HVAC assembly unit 200 can be connected in an evaporimeter 210 of work mechanism 100.Specifically, a tube connector 252 can be connected in a first input end 254 of an evaporimeter isothermal expansion valve 256 refrigerant delivery outlet 228 of HVAC assembly unit 200.One first output 258 of this evaporimeter isothermal expansion valve 256 can be connected in evaporimeter 210 by tube connector 260.Evaporimeter 210 can further be connected in one second input 262 of evaporimeter isothermal expansion valve 256 by tube connector 264.Tube connector 266 can be connected in one second output 268 of evaporimeter isothermal expansion valve 256 the cold-producing medium input port 216 of HVAC assembly unit 200.Be connected to form closed loop refrigerating circuit 212 by above-described fluid, sprayed heat exchanger isothermal expansion valve 208 with compressor 202, condenser 204, steam injection heat exchanger 206 and steam and couple together with evaporimeter isothermal expansion valve 256 and evaporimeter 210 with HVAC assembly unit 200
Be understandable that: can comprise that an electronic control system (not shown) is beneficial to the work of refrigerating circuit 212.For example, this electronic control system can comprise a plurality of different sensor of the various work aspect that is used to measure refrigerating circuit 212.The information that institute's sensing can be measured offers a controller to analyze received information and to be that refrigerating circuit 212 generates work order.
Fig. 3 shows the stereogram according to the HVAC assembly unit structure 200 of one exemplary embodiment of the present invention.HVAC assembly unit structure 200 can be placed in the package group component (containment assembly) 318 with one of all assemblies of forming HVAC assembly unit 200 self-contained sub-assembly.In some embodiments of the invention, compressor 202 can roughly place the center of HVAC assembly unit 200.Condenser 204 can comprise the condenser coil 300 that is used for radiations heat energy.In one embodiment, condenser coil 300 can comprise that U-shaped structure is with in being included in other all assemblies of HVAC assembly unit 200 basically.Compressor 202 can be placed in the end 302,304 of condenser coil 300.One back link 306 can be placed on the end 302,304 U-shaped structure with closed condenser coil 300.HVAC assembly unit 200 can be incorporated into one or more members in the structural design of back link 306.In one embodiment, cold-producing medium input port 216 and refrigerant delivery outlet 228 can be configured to a surface by back link 306.Can adopt an end 302,304 that back link 306 is connected to condenser coil 300 in a plurality of infinite jockeys.Such jockey can comprise for example welding, seal and/or encapsulant and/or the securing member of right quantity.Can also use those persons skilled in the art known, back link 306 is rigidly secured to other jockey of the end 302,304 of condenser coil 300.
Can one or more electric wires connectivity port 308 be set to HVAC assembly unit 200.Can utilize these electric wire connectivity ports 308 power to be provided and/or electrical cnnector to be set with to HVAC assembly unit 200 input and/or from HVAC assembly unit 200 output informations to HVAC assembly unit 200.Can utilize these information to help operate refrigerating circuit 212 in the HVAC assembly unit 200.
For example, can adopt one or more supporting bracket 310,312 to provide certain protection to the surface of condenser coil 300.In addition, supporting bracket 310,312 can be connected in the add-on assemble of HVAC assembly unit 200, thereby provides extra non-yielding prop for overall structure.In one embodiment, an end of supporting bracket 310,312 can be connected in the base plate 314 of HVAC assembly unit 200.Base plate 314 can be designed to be used for holding the part of all assemblies of HVAC assembly unit 200 for example as this package group component 318.For instance, base plate 314 can comprise the surface of a general planar, and this surface has a plurality of flanged edge around front surface and side surface.Available securing member 316 such as screw and nut is connected in base plate 314 with an end of supporting bracket 310,312.Can adopt other non-limiting fastener that supporting bracket 310,312 is connected in base plate 314, such as securing member with weldment, glue and other kind.Illustrate be base plate 314 side surface a part with the back link 306 be connected.Equally, can adopt suitable fasteners or other jockey such as weldment such as screw and nut that base plate 314 is connected in back link 306.Like this, condenser coil 300 just can be fixed in the formed space of a sub-assembly of the base plate 314 that is connected in back link 306 as described herein and is connected in supporting bracket 310,312 again.Also can be with base plate 314 as other Unit Installation that will be mounted thereon point.
In addition, in certain embodiments, the part of a top board as package group component 318 can be set also.The top board that is connected with other assembly of package group component 318 can provide extra protection with the assembly sealing of HVAC assembly unit 200 and/or for it effectively.Top board can be connected in the other end and the back link 306 of a plurality of supporting brackets 310,312.The embodiment of other of top board can comprise a surface that is used for installing additional device thereon.Can adopt other non-limiting fastener that supporting bracket 310,312 is connected in top board, such as securing member with weldment, glue and other kind.Like this, condenser coil 300 can be fixed in the package group component 318 formed spaces of the top board that is connected in back link 306, supporting bracket 310,312 and base plate 314.Base plate 314, supporting bracket 310,312, back link 306 and top board can comprise the suitable material of steel plate or other those person skilled in the art's indications.
Industrial usability
In some embodiments of the invention, HVAC assembly unit 200 comprises the compressor 202 and a condenser 204 of an electrical motor driven, and they link together and roughly put together.The mating part that is engaged in an evaporator bank component of HVAC assembly unit 200 or connector 216,228 are configured to make the size of pipeline, the thickness of duct wall, the quantity of pipeline and the space of pipeline enclosure can adapt to multiple HVAC application, comprising a desired environment.In addition, be configured to be used for can be used for more than one evaporator bank component with the adaptive mating part of the mating part of HVAC assembly unit 200 or connector 216,228.This standardization of connection between HVAC assembly unit 200 and the evaporator bank component is favourable in certain embodiments, does not construct mating part because do not need according to the type of the evaporator bank component that is adopted or the structure of evaporator bank component here.This can further improve the manufacturing efficient of HVAC system.
The function of compressor 202 can comprise admits the refrigerant fluid (for example first input end 270 of compressor 202) be in gas phase and the compression gas as a cold low-pressure steam cold-producing medium.This can make cold-producing medium become the high steam cold-producing medium of heat effectively.In certain embodiments, compressor 202 can be by a power drives, comprising generator 114 and/or another power unit.In certain embodiments, can adopt a controller to regulate the rotating speed of for example required compressor 202, thereby can in the compartment 102 of work mechanism 100, reach required temperature.Can come adjustment control according to the information of input controller.
The function of condenser 204 can comprise heat is spread out of cold-producing medium.This can make the high steam of the heat that enters condenser 204 be condensed into the highly pressurised liquid of temperature at an exit point of condenser 204.In one exemplary embodiment, a condenser fan can be set, be beneficial to conduct heat with to condenser 204 air blast.
Steam sprays heat exchanger 206 and can utilize cold-producing medium that sub-fraction flows out from condenser 204 to leave major part condenser and the final cold-producing medium that flows out refrigerant delivery outlet 228 with further supercooling.The supercooling that for the benefit of adds can be set up circulating refrigerant pipe again and again, thereby provides extra cooling in the cold-producing medium circulation and in by refrigerant delivery outlet 228 to cold-producing medium.In one embodiment, this recirculation refrigerant pipe can comprise that making a fraction of cold-producing medium spray heat exchanger isothermal expansion valve 208, tube connector 234 and steam by tube connector 230, steam sprays heat exchanger 206, thereby enters tube connector 240.Like this, when cold-producing medium cycles through steam when spraying heat exchanger 206 from tube connector 234, along with cold-producing medium by tube connector 220, spray heat exchanger 206 and tube connector 224 produces extra refrigeration through steam.Like this, steam can be sprayed heat exchanger isothermal expansion valve 208 and become the cold two-phase fluid that can enter steam injection heat exchanger 206 so that flow out the liquid of the heat of condenser 204 as expansion gear.Also can utilize steam to spray heat exchanger isothermal expansion valve 208 and measure flow the tube connector loop of a part by the temperature and pressure of sensing measurement cold-producing medium when steam sprays heat exchanger 206 and gets back to steam and spray heat exchanger isothermal expansion valve 208.Like this, just an amount of cold-producing medium can be regulated and get back to compressor 202, thereby get back to condenser 204 so that additional refrigeration finally to be provided on demand.This design can allow to carry out extra control to increase heat exchange efficiency and/or to be sprayed the thermal capacity of heat exchanger 206 exchanges by the steam of HVAC assembly unit 200.
Those persons skilled in the art will appreciate that, above-described technical process is exemplary but not determinate.Can produce other technology, wherein some steps in the described technology can be removed or revised, the order of these steps can change, and/or can add other operating procedure, and these can not exceed the principle and scope of the present invention.

Claims (20)

  1. One kind be used for the heating, heating ventilation and air-conditioning (HVAC) system the HVAC assembly unit, comprising:
    One input port;
    Be connected in a compressor of this input port;
    Be connected in a condenser of this compressor;
    Be connected in a heat exchanger of this condenser;
    Be connected in a delivery outlet of this heat exchanger; And
    Be connected in an isothermal expansion valve of condenser, compressor and heat exchanger.
  2. 2. equipment as claimed in claim 1 is characterized in that, an evaporator bank component is connected in input port and delivery outlet.
  3. 3. equipment as claimed in claim 1 is characterized in that, compressor comprises the motor compressor by a power initiation.
  4. 4. equipment as claimed in claim 1 is characterized in that, the HVAC assembly unit comprises a refrigerating circuit and is configured to be used for receive the relevant job information that freezes to control the work of this refrigerating circuit.
  5. 5. the work mechanism with a heating and cooling system comprises:
    One driver's cabin;
    One heating, heating ventilation and air-conditioning (HVAC) system, this HVAC system are configured to provide air through regulating to driver's cabin, and the HVAC system has a HVAC assembly unit that is connected in an evaporator bank component, and wherein, this HVAC assembly unit also comprises:
    One input port;
    Be connected in a compressor of this input port;
    Be connected in a condenser of this compressor;
    Be connected in a heat exchanger of this condenser;
    Be connected in a delivery outlet of this heat exchanger; And
    Be connected in an isothermal expansion valve of condenser, compressor and heat exchanger.
  6. 6. work mechanism as claimed in claim 5 is characterized in that, the evaporator bank component comprises an isothermal expansion valve that is connected in delivery outlet and an evaporimeter that is linked in isothermal expansion valve and input port.
  7. 7. work mechanism as claimed in claim 5 is characterized in that it also comprises:
    One power supply, wherein, compressor is by this power initiation.
  8. 8. work mechanism as claimed in claim 5 is characterized in that, the HVAC assembly unit comprises a refrigerating circuit and is configured to be used for receive the relevant job information that freezes to control the work of this refrigerating circuit.
  9. One kind control one heating and cooling system method, comprising:
    A kind of cold-producing medium that circulates makes it to flow in turn and by a compressor, a condenser, a heat exchanger and an evaporator bank component and get back to compressor; And
    The part of circulating refrigerant flows to and by flowing back into this first isothermal expansion valve behind one first isothermal expansion valve and the heat exchanger it in turn, and gets back to compressor from condenser.
  10. 10. method as claimed in claim 9 is characterized in that, the evaporator bank component comprises an evaporimeter and one second isothermal expansion valve.
  11. 11. method as claimed in claim 10 is characterized in that, the circulating refrigerant flow direction is also passed through second isothermal expansion valve and the evaporimeter, and, flow to and return during in the circulating refrigerant flow direction and by the evaporator bank component by the second isothermal expansion valve.
  12. 12. method as claimed in claim 9 is characterized in that, it also comprises:
    Utilize the first isothermal expansion valve to measure the flow of cold-producing medium.
  13. 13. method as claimed in claim 10 is characterized in that, it also comprises:
    Utilize the second isothermal expansion valve to measure the flow of cold-producing medium.
  14. 14. method as claimed in claim 9 is characterized in that, it also comprises:
    Refrigerant temperature in the monitoring compressor, and according to the circulation of the adjustment cold-producing medium that is monitored.
  15. 15. method as claimed in claim 9 is characterized in that, it also comprises:
    The refrigerant temperature of monitoring in the condenser, and according to the circulation of the adjustment cold-producing medium that is monitored.
  16. 16. the work mechanism with a heating and cooling system comprises:
    One driver's cabin;
    One heating, heating ventilation and air-conditioning (HVAC) system, this HVAC system are configured to provide air through regulating to driver's cabin, and described HVAC system has a package group component, and this package group component has a HVAC assembly unit, and this HVAC assembly unit comprises:
    One input port;
    Be connected in a compressor of this input port;
    Be connected in a condenser of this compressor;
    Be connected in a heat exchanger of this compressor;
    Be connected in a delivery outlet of this heat exchanger; And
    Be connected in an isothermal expansion valve of condenser, compressor and heat exchanger.
  17. 17. work mechanism as claimed in claim 16 is characterized in that, the package group component is linked in an evaporator bank component.
  18. 18. work mechanism as claimed in claim 16 is characterized in that, the HVAC assembly unit comprises a refrigerating circuit and is configured to be used for receive the relevant job information that freezes to control the work of this refrigerating circuit.
  19. 19. the method for control one a heating and cooling system comprises:
    A kind of cold-producing medium that circulates makes its input by a compressor, flows to a condenser, and directly flows to and flow out a heat exchanger; And
    Make the part of refrigerant break-in of leaving this condenser, and make this part cold-producing medium by this heat exchanger and get back to compressor indirectly, subsequently this part cold-producing medium is flowed to heat exchanger.
  20. 20. method as claimed in claim 19 is characterized in that, described part cold-producing medium is offered heat exchanger comprise the cold-producing medium circulation with the flow direction and by an isothermal expansion valve.
CNA2006100956650A 2005-06-30 2006-06-29 Method and system for packaging HVAC components Pending CN1892149A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/170,176 2005-06-30
US11/170,176 US20070000263A1 (en) 2005-06-30 2005-06-30 Method and system for packaging HVAC components

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Publication Number Publication Date
CN1892149A true CN1892149A (en) 2007-01-10

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