CN109318678A - Air-conditioning system and vehicle - Google Patents
Air-conditioning system and vehicle Download PDFInfo
- Publication number
- CN109318678A CN109318678A CN201710643845.6A CN201710643845A CN109318678A CN 109318678 A CN109318678 A CN 109318678A CN 201710643845 A CN201710643845 A CN 201710643845A CN 109318678 A CN109318678 A CN 109318678A
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- Prior art keywords
- air
- seat
- conditioning system
- duct
- heat exchanger
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Classifications
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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
- B60H1/00007—Combined heating, ventilating, or cooling devices
-
- 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
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H1/00285—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for vehicle seats
-
- 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
- B60H1/00564—Details of ducts or cables of air ducts
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/56—Heating or ventilating devices
- B60N2/5607—Heating or ventilating devices characterised by convection
- B60N2/5621—Heating or ventilating devices characterised by convection by air
- B60N2/5628—Heating or ventilating devices characterised by convection by air coming from the vehicle ventilation system, e.g. air-conditioning system
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a kind of air-conditioning system and vehicles, air-conditioning system includes: including air-conditioning duct and seat air duct, seat air duct is suitable for being located inside seat, the outer surface of seat is equipped with the seat air outlet being connected to seat air duct, seat air duct is connected by connecting pipe with air-conditioning duct, air-conditioning system further include: compressor；Indoor evaporator and indoor condenser；Outdoor heat exchanger；Seat heat exchanger, seat heat exchanger are located in seat air duct or connection air duct, and the entrance of seat heat exchanger is connected with the outlet of indoor condenser, and the outlet of seat heat exchanger is connected to the entrance of indoor evaporator；Air door mechanism.Air-conditioning system of the invention, is capable of energy consumption of the reduction of high degree to seat heating or cooling, accelerate seat heating, cooling speed, it can be achieved that seat ventilation, reduce seat vibration.Refrigeration, heating and the defrosting function of air-conditioning system can be achieved in the case where not changing refrigerant circulation direction simultaneously, and be able to satisfy while the demand of refrigeration and heating.
Description
Technical field
The present invention relates to the technical field of communications and transportation more particularly to a kind of air-conditioning system and vehicles.
Background technique
In the vehicle of the relevant technologies, the mode of seat heating is electrothermal heating, and for Energy Efficiency Ratio less than 1, power consumption is big, no
Conducive to the use of vehicle.The mode of seat cooling is to be aerated by dilution air plant built in seat, built-in dilution air plant operation
When shaking force can be passed to seat, to reduce the comfort of user's ride-on vehicles.And it is dropped by the way of ventilation
Temperature, the heat taken away is few, can not fast cooling in a short time.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of sky
Adjusting system is capable of energy consumption of the reduction of high degree to seat heating or cooling, accelerates the speed of seat heating, cooling, can be real
The ventilation of existing seat reduces seat vibration.The system of air-conditioning system can be achieved in the case where not changing refrigerant circulation direction simultaneously
Cold, heating and defrosting function, and be able to satisfy while the demand of refrigeration and heating.
The present invention also proposes a kind of vehicle, including above-mentioned air-conditioning system.
Air-conditioning system according to an embodiment of the present invention, comprising: air-conditioning duct and seat air duct, the seat air duct are suitable for setting
Inside seat, the outer surface of the seat is equipped with the seat air outlet being connected to the seat air duct, and the seat air duct is logical
It crosses connecting pipe to be connected with the air-conditioning duct, the air-conditioning system further include: compressor；Indoor evaporator and indoor condensation
Device, the indoor evaporator and the indoor condenser are located in the air-conditioning duct, the outlet of the indoor evaporator and institute
The entrance for stating compressor is connected, and the entrance of the interior condenser is connected with the outlet of the compressor；Outdoor heat exchanger, it is described
The inlet selective of outdoor heat exchanger via first throttle branch or the first circulation branch and the indoor condenser outlet
Connection, the egress selection of the outdoor heat exchanger are connected to via the second throttling branch with the entrance of the indoor evaporator or the
Two circulation branches are connected to the entrance of the compressor；Seat heat exchanger, the seat heat exchanger be located at the seat air duct or
In the connecting pipe, the inlet selective of the seat heat exchanger via third throttle branch or third circulation branch with it is described
The outlet of indoor condenser is connected, and the outlet of the seat heat exchanger is connected to the entrance of the indoor evaporator；Air door mechanism,
The air door mechanism is located in the air-conditioning duct so that the air entered from the import of the air-conditioning duct is flowed to the interior
Evaporator and/or the indoor condenser.
Air-conditioning system according to an embodiment of the present invention, by setting seat air duct and seat heat exchanger, so as to very big
The reduction of degree seat is heated or cooled during energy consumption, accelerate the speed of seat heating, cooling, can also be achieved
The ventilation of seat reduces seat vibration, improves the comfort of user.Simultaneously in the case where not changing refrigerant circulation direction
It realizes the refrigeration of air-conditioning system, heating and defrosting function, and is able to satisfy while the demand of refrigeration and heating.
According to some embodiments of the present invention, to be in series with first between the indoor condenser and the outdoor heat exchanger swollen
Swollen switch valve, the first throttle branch are the throttling runner of the first expansion switch valve, and the first circulation branch is institute
State the through-flow runner of the first expansion switch valve.To can not only guarantee the reliability of air-conditioning system work, and make air-conditioning system
The structure of system is simple, lays convenient for the pipeline of air-conditioning system, saves occupied space.
According to some embodiments of the present invention, the air-conditioning system further includes flowing through the indoor condenser for heating
Ptc heater.To be conducive to the working efficiency for improving air-conditioning system.
Specifically, the air-conditioning system further includes air duct door, and the air duct door is located in the connecting pipe to be connected
It states connecting pipe and the air-conditioning duct or ends the air flowing between the connecting pipe and the air-conditioning duct.By
This is it is found that when user has heating, the cold or ventilation requirement that cools down to seat, air duct door conducting connecting pipe and air-conditioning duct make
Air in air-conditioning duct is able to enter in seat air duct.When user does not heat seat, the cold or ventilation requirement that cools down when,
Air between air duct door cut-off connecting pipe and air-conditioning duct is flowed to prevent the air in air-conditioning duct from entering seat air duct.
So as to guarantee the working efficiency of air-conditioning system.
Specifically, on the flow direction of the air in the air-conditioning duct, the entrance of the connecting pipe is located at described
The downstream of indoor evaporator.So as to promote the effect on moisture extraction to the air entered in air-conditioning duct, in compressor operating
In the case where, so that reducing into the air humidity in seat air duct, and then ponding inside seat is avoided to a certain extent, it is mould
Become.
Optionally, the air-conditioning system further includes air blower, and the air blower is located in the connecting pipe with towards institute
State extraction air in seat air duct.So as to increase the air mass flow entered in seat air duct, accelerate air-conditioning system to seat
Chair heating, cooling and ventilation efficiency.
Optionally, the air-conditioning system further includes the first check valve, and first check valve is connected on the seat heat exchange
Between the outlet of device and the entrance of the indoor evaporator.So as to guarantee the working efficiency of air-conditioning system, while avoiding room
Refrigerant in interior evaporator flows into seat heat exchanger, improves the reliability of air-conditioning system work.
According to some embodiments of the present invention, the air-conditioning system includes the first electric expansion valve and first being connected in parallel
Solenoid valve, first electric expansion valve limit the third throttling branch, and first solenoid valve limits the third
Circulate branch.So as to guarantee the reliability of air-conditioning system work to a certain extent.
Other embodiments according to the present invention, the air-conditioning system include the first heating power expansion valve, the first solenoid valve and
Second solenoid valve, first solenoid valve limit the third circulation branch, first heating power expansion valve and described second
Solenoid valve is connected in series to limit the third throttling branch.To energy while guaranteeing the reliability of air-conditioning system work
Enough reduce cost of manufacture.
Optionally, the seat is multiple, and the seat air duct, each seat air duct are equipped in each seat
It is connected by the connecting pipe with the air-conditioning duct.To which the comfort of user further can be improved.
Vehicle according to an embodiment of the present invention, including above-mentioned air-conditioning system.
Vehicle according to an embodiment of the present invention, by the way that air-conditioning system according to the above embodiment of the present invention is arranged, so as to
The reduction vehicle of enough high degrees seat is heated or cooled during energy consumption, accelerate the speed of seat heating, cooling
Degree can also be achieved the ventilation of seat, reduces seat vibration, improves the comfort of user.Do not changing refrigerant circulation direction simultaneously
In the case where refrigeration, heating and the defrosting function of vehicle can be realized, and be able to satisfy while the demand of refrigeration and heating.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is a kind of structural schematic diagram of the air-conditioning system of embodiment according to the present invention；
Fig. 2 is the structural schematic diagram of the air-conditioning system of another embodiment according to the present invention；
Fig. 3 is the structural schematic diagram of the air-conditioning system of another embodiment according to the present invention；
Fig. 4 is the structural schematic diagram of the air-conditioning system of another embodiment according to the present invention；
Fig. 5 is the structural schematic diagram of the air-conditioning system of another embodiment according to the present invention；
Fig. 6 is the overlooking structure diagram for the expansion switch valve that the preferred embodiment for the present invention provides；
Fig. 7 is the schematic diagram of the section structure crossed by Fig. 6 middle line AB-AB, wherein the first valve port and the second valve port are located
In opening state；
Fig. 8 is the positive structure diagram along a visual angle for the expansion switch valve that the preferred embodiment for the present invention provides；
Fig. 9 is the schematic diagram of the section structure crossed by Fig. 6 middle line AB-AB, wherein the first valve port is in the open state,
Second valve port is in closed state；
Figure 10 is the schematic diagram of the section structure crossed by Fig. 6 middle line AB-AB, wherein the first valve port is in closed state,
Second valve port is in the open state；
Figure 11 is that the facing structure along another visual angle for the expansion switch valve that the preferred embodiment for the present invention provides is illustrated
Figure；
Figure 12 is the schematic diagram of the section structure crossed by Figure 11 middle line AC-AC, wherein the first valve port is in open shape
State, the second valve port are in closed state；
Figure 13 is the first schematic diagram of internal structure of the expansion switch valve that the preferred embodiment for the present invention provides, wherein the
One valve port and the second valve port are in opening state；
Figure 14 is the partial enlarged view in the portion A in Figure 13；
Figure 15 is the second schematic diagram of internal structure of the expansion switch valve that the preferred embodiment for the present invention provides, wherein the
One valve port is in the open state, and the second valve port is in close state；
Figure 16 is the third schematic diagram of internal structure for the expansion switch valve that the preferred embodiment for the present invention provides, wherein the
One valve port is in close state, and the second valve port is in opening state.
Figure 17 is input and the control unit schematic diagram of air-conditioning system according to an embodiment of the present invention；
Figure 18 is the structural schematic diagram of the air-conditioning system of another embodiment according to the present invention；
Figure 19 is the schematic diagram of vehicle according to an embodiment of the present invention；
Figure 20 is the schematic diagram of the vehicle of another embodiment according to the present invention；
Figure 21 is the schematic diagram of the vehicle of another embodiment according to the present invention；
Figure 22 is the schematic diagram of the vehicle of another embodiment according to the present invention；
Figure 23 is the schematic diagram of the vehicle of another embodiment according to the present invention；
Figure 24 is the schematic diagram of seat according to an embodiment of the present invention.
Appended drawing reference:
Vehicle 100；Air-conditioning system 600；
Car body 1；Seat 2；Air-permeable layer 22；Epidermis 23；Seat heat exchanger 3；Bellows 4；Air duct door 7；Air blower 8；First
Check valve 9；First electric expansion valve 10；First solenoid valve 11；First heating power expansion valve 12；Second solenoid valve 13；Temperature-sensitive inclusion
Structure 14；Second expansion switch valve 15；Air-conditioning duct a；Seat air duct b；Connecting pipe c；
Indoor condenser 601；Indoor evaporator 602；First expansion switch valve 603；Compressor 604；Outdoor heat exchanger
605；First expansion valve 607；First switch valve 608；Second expansion valve 609；Second switch valve 610；Gas-liquid separator 611；Plate
Formula heat exchanger 612；Refrigerant inlet 612a；Refrigerant exit 612b；Motor radiator 613；Water pump 614；Second one-way valve 15；PTC
Heater 619；
Valve body 500；Import 501；Outlet 502；First spool 503；Second spool 504；Restriction 505；First runner
506；Second flow channel 507；Valve seat 510；First valve casing 511；Second valve casing 512；First valve rod 513；Second valve rod 514；First
Valve port 516；Second valve port 517；First electromagnetic drive part 521；Second electromagnetic drive part 522；First plug 523；First through hole
526；Second through-hole 527.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to
The embodiment of attached drawing description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "inner",
The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this hair
Bright and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation
Construction and operation, therefore be not considered as limiting the invention.In addition, define " first ", the feature of " second " can be bright
Show or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple " contain
Justice is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Air-conditioning system 600 according to an embodiment of the present invention is described below with reference to Fig. 1-Figure 24.
As shown in Fig. 1-Figure 24, air-conditioning system 600 according to an embodiment of the present invention, comprising: air-conditioning duct a and seat air duct
B, seat air duct b are suitable for being located inside seat 2, and the outer surface of seat 2 is equipped with the seat air outlet (figure being connected to seat air duct b
It is not shown), seat air duct b is connected by connecting pipe c with air-conditioning duct a.It follows that the air in air-conditioning duct a can lead to
Seat air outlet discharge on the outer surface crossed connecting pipe c to enter in the b of seat air duct, and pass through seat 2.
Air-conditioning system 600 further include: compressor 604, indoor condenser 601, indoor evaporator 602, outdoor heat exchanger
605, seat heat exchanger 3 and air door mechanism (not shown go out).
Indoor evaporator 602 and indoor condenser 601 are located in air-conditioning duct a, the outlet and compression of indoor evaporator 602
The entrance of machine 604 is connected, and the entrance of indoor condenser 601 is connected with the outlet of compressor 604.It follows that of the invention real
It applies in the air-conditioning system 600 of example, the cold media gas for the high temperature and pressure being discharged from compressor 604 can enter indoor condenser 601
Interior, the cold media gas for the low-temp low-pressure being discharged from indoor evaporator 602 can flow back to compressor 604.
The inlet selective of outdoor heat exchanger 605 via first throttle branch or the first circulation branch and indoor condenser
601 outlet, the egress selection of outdoor heat exchanger 605 via the second throttling branch and indoor evaporator 602 entrance
Connection or the second circulation branch are connected to the entrance of compressor 604.It follows that in air-conditioning system 600 of the invention, it is indoor
The outlet of condenser 601 otherwise be connected to via first throttle branch with the entrance of outdoor heat exchanger 605 or via first circulation
Branch is connected to the entrance of outdoor heat exchanger 605.The outlet of outdoor heat exchanger 605 or via the second throttling branch and indoor steaming
The entrance of hair device 602 is connected to or is connected to via the second circulation branch with the entrance of compressor 604.
Air door mechanism is located in air-conditioning duct a so that the air entered from the import of air-conditioning duct a is flowed to indoor evaporator
602 and/or indoor condenser 601.It follows that leading to the wind of indoor condenser 601 in air-conditioning system 600 of the invention
Road and being turned on and off for air duct for leading to indoor evaporator 602 can be by air door mechanism independent controls.That is, passing through
Air door mechanism can control wind and only pass through indoor condenser 601, perhaps only by indoor evaporator 602 or by indoor cold
Both condenser 601 and indoor evaporator 602, thus, it is possible to realize the independent control of wind direction.
When 600 high-temperature refrigeration of air-conditioning system of the embodiment of the present invention, refrigerant is formed high after the compression of compressor 604 first
The gas of warm high pressure, and compressor 604 is discharged and enters in indoor condenser 601.At this point, controlling wind not by air door mechanism
By indoor condenser 601, due to calm process, refrigerant not will do it heat exchange in condenser 601 indoors, the room
Inner condenser 601 is only used as runner, and 601 exit of indoor condenser is still the cold media gas of high temperature and pressure at this time.It is indoor
The outlet of condenser 601 is connected to via the first circulation branch with the entrance of outdoor heat exchanger 605.Outdoor heat exchanger is entered at this time
Refrigerant in 605 is still the gas of high temperature and pressure, and refrigerant exchanges heat with outdoor air in outdoor heat exchanger 605, heat is distributed
Into air, so that refrigerant is formed as the liquid of medium temperature high pressure in 605 exit of outdoor heat exchanger.Outdoor heat exchanger 605 exports
It is connected to via the second throttling branch with the entrance of indoor evaporator 602, then the inlet of indoor evaporator 602 is low-temp low-pressure liquid
State refrigerant.After low-temp low-pressure liquid refrigerants enters in indoor evaporator 602, evaporation in evaporator 602 indoors, so that indoor
602 exit of evaporator is the cold media gas of low-temp low-pressure, and the gas of last low-temp low-pressure is flow back into compressor 604, thus
Form a circulation.At this point, controlling wind by air door mechanism flows only through indoor evaporator 602, the calm warp of indoor condenser 601
It crosses, is only flowed through as refrigerant channel.
When the 600 low temperature heating of air-conditioning system of the embodiment of the present invention, the high temperature and pressure of the discharge of compressor 604 is cold first
Medium gas body enters in indoor condenser 601, controls wind by indoor condenser 601, high temperature and pressure by air door mechanism at this time
Gas condensed in condenser 601 indoors so that indoor 601 exit of condenser is the liquid of medium temperature high pressure.It is indoor
The outlet of condenser 601 is connected to via first throttle branch with the entrance of outdoor heat exchanger 605, enters outdoor heat exchanger at this time
Refrigerant in 605 is the liquid of low-temp low-pressure.Refrigerant absorbs the heat of outdoor air in outdoor heat exchanger 605 to flash to gas
Body, so that refrigerant be made to be formed as the gas of low-temp low-pressure in 605 exit of outdoor heat exchanger.Outdoor heat exchanger 605 outlet via
Second circulation branch is connected to the entrance of compressor 604, and then flow back into the gas of low-temp low-pressure in compressor 604, thus
Form a circulation.
When the air-conditioning system 600 of embodiment of the present invention refrigeration and heating simultaneously, i.e., bypass is carried out in outdoor heat exchanger 605 and removed
During frost, still need to meet heating demand, the cold media gas that high temperature and pressure is discharged in compressor 604 first enters indoor condenser
In 601, at this time by air door mechanism airflow regulation to indoor condenser 601, to make the cold media gas of high temperature and pressure indoors
It is condensed in condenser 601, so that indoor 601 exit of condenser is the refrigerant liquid of medium temperature high pressure.Indoor condenser 601
Outlet is connected via first throttle branch with the entrance of outdoor heat exchanger 605, so that the inlet of outdoor heat exchanger 605 is low
The refrigerant liquid of warm low pressure, refrigerant incomplete evaporation in outdoor heat exchanger 605, to make 605 exit of outdoor heat exchanger still
For the liquid of low-temp low-pressure.The outlet of outdoor heat exchanger 605 is connected via the second throttling branch with indoor evaporator 602, and low temperature is low
The liquid of pressure is evaporated in evaporator 602 indoors, so that 602 exit of indoor evaporator is the gas of low-temp low-pressure.Most
The gas of low-temp low-pressure returns in compressor 604 afterwards, and a circulation is consequently formed.Wind is controlled by air door mechanism at this time to flow simultaneously
Through indoor condenser 601 and indoor evaporator 602.
When the air-conditioning system 600 of the embodiment of the present invention for defrost when, first compressor 604 be discharged high temperature and pressure refrigerant
Gas enters in indoor condenser 601, controls wind without indoor condenser 601, due to calm by air door mechanism at this time
By, therefore, refrigerant not will do it heat exchange in condenser 601 indoors, which only uses as runner,
Then the indoor outlet of condenser 601 is still the gas of high temperature and pressure.The indoor outlet of condenser 601 is via the first circulation branch and outdoor
The entrance of heat exchanger 605 is connected, then the refrigerant entered in outdoor heat exchanger 605 remains as the gas of high temperature and pressure, and refrigerant exists
It exchanges heat, heat is dispersed into air, thus in 605 exit shape of outdoor heat exchanger with outdoor air in outdoor heat exchanger 605
Liquid as medium temperature high pressure.The outlet of outdoor heat exchanger 605 is connected via the second throttling branch with indoor evaporator 602, enters
It is low temperature and low pressure liquid to the refrigerant in indoor evaporator 602.The interior evaporation of evaporator 602 indoors of low-temp low-pressure liquid refrigerants,
To make 602 exit of indoor evaporator be formed as the gas of low-temp low-pressure.The gas of last low-temp low-pressure flow back into compressor
In 604, a circulation is consequently formed.Wind is controlled without indoor condenser 601 and indoor evaporator 602 by air door mechanism,
If there is heating demand, wind is controlled by air door mechanism and flows only through indoor condenser 601, the calm process of indoor evaporator 602, only
It is flowed through as refrigerant channel.
In conclusion the air-conditioning system 600 of the embodiment of the present invention, it can be real in the case where not changing refrigerant circulation direction
Refrigeration, heating and the defrosting function of existing air-conditioning system 600, and it is able to satisfy the demand of user while refrigeration and heating.In outdoor heat exchange
During the bypass defrosting of device 605, it is still able to satisfy heating demand.
In the present invention, indoor evaporator 602 can individually be controlled with whether indoor condenser 601 has wind to flow through by air door mechanism
System is adjusted, that is, wind flows only through indoor evaporator 602 when freezing, and the calm process of indoor condenser 601 is only used as refrigerant channel stream
It crosses.Wind flows only through indoor condenser 601 when heating, and the calm process of indoor evaporator 602 is only flowed through as refrigerant channel.It needs
Different outlet air demands can be realized in the aperture that changes in temperature air door can be changed when refrigeration and heating as needed simultaneously.
Seat heat exchanger 3 is located in seat air duct b or connecting pipe c, and the inlet selective of seat heat exchanger 3 is via third
Throttling branch or third circulation branch are connected with the outlet of indoor condenser 601, the outlet and indoor evaporator of seat heat exchanger 3
602 entrance connection.
In the present invention, when user needs to heat seat 2, refrigerant forms high temperature after the compression of compressor 604 first
The gas of high pressure, and be discharged and entered in indoor condenser 601 out of compressor 604.At this point, controlling wind by air door mechanism
Without indoor condenser 601, due to calm process, refrigerant not will do it heat exchange in condenser 601 indoors, should
Indoor condenser 601 is only used as runner, and 601 exit of indoor condenser is still the cold media gas of high temperature and pressure at this time.Room
The outlet of inner condenser 601 is connected to via third circulation branch with the entrance of seat heat exchanger 3.Seat heat exchanger 3 is entered at this time
Interior refrigerant is still the gas of high temperature and pressure, refrigerant in seat heat exchanger 3 with the air heat-exchange in the b of seat air duct, heat
It is dispersed into the b of seat air duct, so that the air themperature for flowing to seat air outlet in the b of seat air duct be made to increase, and then can realize seat
The heating of chair 2.
When user needs 2 cooling down of seat, first refrigerant through compressor 604 compression after formed high temperature and pressure gas
Body, and be discharged and entered in indoor condenser 601 out of compressor 604.Wind is controlled by indoor by air door mechanism at this time
Condenser 601, the cold media gas of high temperature and pressure are condensed in condenser 601 indoors, so that 601 exit of indoor condenser
For the liquid of medium temperature high pressure.The indoor outlet of condenser 601 is connected to via third throttling branch with the entrance of seat heat exchanger 3, this
When enter the liquid that refrigerant in seat heat exchanger 3 is low-temp low-pressure, refrigerant evaporated in seat heat exchanger 3 with seat wind
Air heat-exchange in road b absorbs the heat of air in the b of seat air duct, to make the sky for flowing to seat air outlet in the b of seat air duct
Temperature degree reduces, and then can realize the cooling down of seat 2.
When user needs to divulge information seat 2, control compressor 604 is out of service, as long as guaranteeing the sky in air-conditioning duct a
Gas can be entered as much as possible in the b of seat air duct, and the ventilation of seat 2 can be realized by the discharge of seat air outlet.
In summary, compared with prior art, the air-conditioning system 600 of the embodiment of the present invention eliminates built-in at seat 2
Dilution air plant, and then the vibration of seat 2 can be reduced, improve the comfort of user.The seat heating of electrothermal is eliminated simultaneously
Mode, making air-conditioning system 600 includes seat heat exchanger 3, is changed using states of matter of the refrigerant in air-conditioning system 600 come to seat 2
It is heated and is cooled down, so that the energy consumption of high degree reduced during seat 2 is heated or cooled, accelerates seat 2 and add
Heat, cooling speed, can also realize the ventilation of seat 2.
Air-conditioning system 600 according to an embodiment of the present invention, by the way that seat air duct b and seat heat exchanger 3 is arranged, so as to
The reduction of high degree seat 2 is heated or cooled during energy consumption, accelerate the heating of seat 2, cooling speed, also
The ventilation of seat 2 can be achieved, reduce seat 2 and shake, improve the comfort of user.Simultaneously in the feelings for not changing refrigerant circulation direction
Refrigeration, heating and the defrosting function of air-conditioning system 600 can be realized under condition, and be able to satisfy while the demand of refrigeration and heating.
As shown in Figure 18-Figure 23, specifically, air-conditioning system 600 further includes air duct door 7, and air duct door 7 is located at connecting pipe c
It is interior to be flowed so that connecting pipe c and air-conditioning duct a is connected or ends the air between connecting pipe c and air-conditioning duct a.Thus
It is found that connecting pipe c and air-conditioning duct a is connected in air duct door 7 when user has heating, the cold or ventilation requirement that cools down to seat 2,
It is able to enter the air in air-conditioning duct a in the b of seat air duct.When user does not heat seat 2, the cold or ventilation that cools down needs
When asking, air duct door 7 ends the air between connecting pipe c and air-conditioning duct a and flows to prevent the air in air-conditioning duct a from entering
Seat air duct b.So as to guarantee the working efficiency of air-conditioning system 600.
Specifically, air-conditioning system 600 further includes damper motor (not shown go out), controls air duct door 7 by damper motor and leads
Air flowing between logical or cut-off connecting pipe c and air-conditioning duct a.To improve the reliability of the work of air-conditioning system 600.
Specifically, on the flow direction of the air in air-conditioning duct a, the entrance of connecting pipe c is located at indoor evaporator
602 downstream.So as to promote the effect on moisture extraction to the air entered in air-conditioning duct a, in the feelings that compressor 604 works
Under condition, so that reducing into the air humidity in the b of seat air duct, and then 2 inside ponding of seat is avoided to a certain extent, it is mould
Become.
As shown in figure 21, according to some embodiments of the present invention, air-conditioning system 600 further includes air blower 8, and air blower 8 is set
With towards extracting air in the b of seat air duct in connecting pipe c.So as to increase the air stream entered in the b of seat air duct
Amount accelerates air-conditioning system 600 to the heating of seat 2, cooling and ventilation efficiency.
As shown in Figure 18-Figure 23, other embodiments according to the present invention, air-conditioning system 600 further includes air blower 8, drum
Blower 8 is located at the entrance of air-conditioning duct a.So as to improve the working efficiency of air-conditioning system 600.Preferably, air-conditioning duct a
Entrance and connecting pipe c in be equipped with air blower 8, so as to further improve the working efficiency of air-conditioning system 600.
Optionally, as shown in Figure 18-Figure 23, air-conditioning system 600 further includes the first check valve 9, and the first check valve 9 is connected on
Between the outlet of seat heat exchanger 3 and the entrance of indoor evaporator 602.So as to guarantee the working efficiency of air-conditioning system 600,
It avoids the refrigerant in indoor evaporator 602 to flow into seat heat exchanger 3 simultaneously, improves the reliability of the work of air-conditioning system 600.
As shown in Fig. 1, Fig. 3-Fig. 6 and Figure 23, according to some embodiments of the present invention, indoor condenser 601 and outdoor are changed
The first expansion switch valve 603 is in series between hot device 605, first throttle branch is the throttling runner of the first expansion switch valve 603,
First circulation branch is the through-flow runner of the first expansion switch valve 603.To can not only guarantee what air-conditioning system 600 worked
Reliability, and keep the structure of air-conditioning system 600 simple, it is laid convenient for the pipeline of air-conditioning system 600, saves occupied space.
As a kind of embodiment of replacement, as shown in Fig. 2, Figure 18-Figure 22, air-conditioning system 600 of the invention can be with
Including first switch valve 608 and the first expansion valve 607, wherein first switch valve 608 is provided on the first circulation branch, first
Throttling branch road is provided with the first expansion valve 607.Specifically, as shown in Fig. 2, Figure 18-Figure 22, the outlet of indoor condenser 601
It is connected to via first switch valve 608 with the entrance of outdoor heat exchanger 605 to form the first circulation branch, indoor condenser 601
Outlet is connected to via the first expansion valve 607 with the entrance of outdoor heat exchanger 605 to form first throttle branch.When system is in height
When under warm refrigeration mode, first switch valve 608 is connected, and the first expansion valve 607 is closed, and the outlet of indoor condenser 601 is via the
One circulation branch is connected to the entrance of outdoor heat exchanger 605.When system is under low temperature heating mode, the first expansion valve 607
Conducting, first switch valve 608 are closed, and the outlet of indoor condenser 601 enters via first throttle branch and outdoor heat exchanger 605
Mouth connection.
As shown in Fig. 3, Fig. 5 and Figure 18-Figure 22, according to some embodiments of the present invention, air-conditioning system 600 of the invention is also
It may include second switch valve 610 and the second expansion valve 609, wherein the second through-flow branch road is provided with second switch valve 610,
Second throttling branch road is provided with the second expansion valve 609.Specifically, as shown in Fig. 3, Fig. 5 and Figure 18-Figure 22, outdoor heat exchanger
605 outlet is connected to form the second through-flow branch, outdoor heat exchanger with the entrance of compressor 604 via second switch valve 610
605 outlet is connected to the entrance of indoor evaporator 602 via the second expansion valve 609 to form the second throttling branch.Work as system
When under high-temperature refrigeration mode, the second expansion valve 609 conducting, second switch valve 610 is closed, the outlet of outdoor heat exchanger 605
It is connected to via the second throttling branch with the entrance of indoor evaporator 602.When system is under low temperature heating mode, second switch
Valve 610 is connected, and the second expansion valve 609 is closed, and the outlet of outdoor heat exchanger 605 is via the second through-flow branch and compressor 604
Entrance connection.
As shown in Figure 18-Figure 21, according to some embodiments of the present invention, air-conditioning system 600 includes first be connected in parallel
Electric expansion valve 10 and the first solenoid valve 11, the first electric expansion valve 10 limit third throttling branch, the first solenoid valve 11 limit
Make third circulation branch.It follows that the first electric expansion valve 10 of control is closed when user has demand for heat to seat 2,
First solenoid valve 11 is opened, and is changed so that the refrigerant flowed out from indoor condenser 601 be made to enter seat via third circulation branch
, with the air heat-exchange in the b of seat air duct, heat is dispersed into the b of seat air duct in seat heat exchanger 3 in hot device 3.When with
When there is cooling down demand at family to seat 2, control the first electric expansion valve 10 open, the first solenoid valve 11 close, thus make from
The refrigerant that indoor condenser 601 flows out via third throttling branch enter in seat heat exchanger 3 in seat heat exchanger 3 with
Air heat-exchange in the b of seat air duct absorbs the heat of air in the b of seat air duct.When user has ventilation requirement to seat 2, control
It makes the first electric expansion valve 10 and the first solenoid valve 11 simultaneously closes off, so as to avoid seat heat exchanger 3 from consuming changing for refrigerant
Heat guarantees the reliability that air-conditioning system 600 works to a certain extent.
As shown in figure 22, other embodiments according to the present invention, air-conditioning system 600 include the first heating power expansion valve 12,
First solenoid valve 11 and second solenoid valve 13, the first solenoid valve 11 limit third circulation branch, 12 He of the first heating power expansion valve
Second solenoid valve 13 is connected in series to limit third throttling branch.To guarantee the reliability of the work of air-conditioning system 600
It can reduce the cost of manufacture of air-conditioning system 600 simultaneously.Herein it should be noted that heating power expansion valve is not belonging to electronic control unit,
It includes a temperature-sensitive pack arrangement 14, can detecte the temperature of the heat exchanger in heating power expansion valve downstream by temperature-sensitive pack arrangement 14,
And then play the role of reducing pressure by regulating flow.
Preferably, as shown in figure 23, the second expansion switch valve is in series between indoor condenser 601 and seat heat exchanger 3
15, third throttles branch as the throttling runner of the second expansion switch valve 15, and third circulation branch is the second expansion switch valve 15
Through-flow runner.To can not only guarantee the reliability that air-conditioning system 600 works, and make the structure letter of air-conditioning system 600
It is single, it is laid convenient for the pipeline of air-conditioning system 600, saves occupied space.
In the present invention, expansion switch valve is that have the function of expansion valve (also referred to as electric expansion valve function) simultaneously and open
The valve for closing valve function (also referred to as solenoid valve function) can be regarded as being the integrated of switch valve and expansion valve.It is expanding
The inside of switch valve is formed with through-flow runner and throttling runner, when expansion switch valve as switch valve in use, it internal leads to
Runner conducting is flowed, forms circulation branch at this time.When expansion switch valve as expansion valve in use, its inside throttling runner lead
It is logical, throttling branch is formed at this time.
Optionally, as shown in Figure 20-Figure 21, seat 2 be it is multiple, seat air duct b, each seat are equipped in each seat 2
Air duct b is connected by connecting pipe c with air-conditioning duct a.So as to further improve the comfort of user.It is understood that
Be, seat 2 increase require air blower 8 change air quantity increase, can be with thus the working efficiency in order to guarantee air-conditioning system 600
It selects and changes the big air blower 8 of air quantity or in the quantity for increasing air blower 8.Preferably, air-conditioning system 600 includes multiple air blowers
Air blower 8 is designed in 8, the seat air duct b of each seat 2.
Specifically, as shown in figure 17, air-conditioning system 600 further includes air-conditioner controller, and controller controls air-conditioning system 600
Each component.It, only need to be by the outside that is connected with air-conditioner controller when user has heating, cooling and ventilation requirement to seat 2
Signal is passed to air-conditioner controller by key, and the demand that air-conditioner controller is inputted according to user is to each member in air-conditioning system 600
Device carries out corresponding control to reach the demand of user.
Optionally, as shown in figure 24, seat air duct b is equipped with bellows 4.Consequently facilitating seat 2 is carried out front and back by user
It is mobile, there is the pipeline of seat air duct b and need certain telescopicing performance.
Specifically, as shown in figure 24, seat 2 includes air-permeable layer 22 and epidermis 23.Air in the b of seat air duct can be by saturating
Gas-bearing formation 22 is to contact the inner surface of epidermis 23.It is understood that if the epidermis 23 of seat 2 is woven fabric, seat 2 tool itself
There is certain air permeability, if the epidermis 23 of seat 2 is corium or imitation leather material, needs to stop in advance in a certain way on epidermis
Enough gas ports, i.e. the setting of seat air outlet can accelerate the speed that air flows through 23 inner surface of epidermis, and then improve air-conditioning
Heating, cooling and drafting efficiency of the system 600 to seat 2.
As shown in figure 3, air-conditioning system 600 can also include gas-liquid separator 611 and second one-way valve 15, wherein indoor steaming
The outlet of hair device 602 is connected to the entrance of gas-liquid separator 611, and the outlet of gas-liquid separator 611 and the entrance of compressor 604 connect
It is logical.In this way, the refrigerant flowed out through indoor evaporator 602, which can first pass around gas-liquid separator 611, carries out gas-liquid separation, isolate
Gas flowed back into compressor 604 again, to prevent liquid refrigerants from entering compressor 604 and damaging compressor 604, thus
The service life of compressor 604 can be extended, and improve the efficiency of entire air-conditioning system 600, guarantee the reliable of air-conditioning system 600
Property.The outlet of indoor evaporator 602 is connected to by check valve 615 with the entrance of gas-liquid separator 611.Here, setting second is single
It is that refrigerant return influences heating effect to indoor evaporator 602 under low temperature heating mode in order to prevent to valve 615.
Under low temperature heating mode and simultaneously refrigeration and heating mode, in order to improve heating ability, it is preferable that such as Fig. 4 institute
Show, plate heat exchanger 612 is provided in entire air-conditioning system 600, which is also disposed in air-conditioning system simultaneously
In the electromotor cooling system of system 600.In this way, the waste heat that can use electromotor cooling system adds to the refrigerant of air-conditioning system 600
Heat, so that the suction temperature and inspiratory capacity of compressor 604 can be improved.
The upstream or downstream of second switch valve 610 can be arbitrarily arranged in plate heat exchanger 612.In the implementation shown in Fig. 4
In mode, the upstream of second switch valve 610 is arranged in plate heat exchanger 612, that is, the refrigerant inlet 612a of plate heat exchanger 612
With the outlet of outdoor heat exchanger 605, the refrigerant exit 612b of plate heat exchanger 612 and the entrance of second switch valve 610 connect
It is logical.The downstream of second switch valve 610 is arranged in (not shown) in another embodiment, plate heat exchanger 612, that is, board-like
The refrigerant inlet 612a of heat exchanger 612 and the outlet of second switch valve 610, the refrigerant exit 612b of plate heat exchanger 612
It is connected to the entrance of gas-liquid separator 611.
At the same time, plate heat exchanger 612 is arranged in electromotor cooling system simultaneously.As shown in figure 4, electromotor cooling system
It may include the motor, motor radiator 613 and water pump 614 connected with plate heat exchanger 612 to be formed into a loop.In this way, refrigerant
Heat exchange can be carried out by the coolant liquid in plate heat exchanger 612 and electromotor cooling system.
In air-conditioning system 600 provided by the invention, the various refrigerants such as R134a, R410a, R32, R290 can be used, preferentially
Select high temperature refrigerant.
Fig. 5 is the structural schematic diagram of the air-conditioning system 600 of another embodiment according to the present invention.As shown in fig. 6, air-conditioning
System 600 can also include ptc heater 619, and the ptc heater 619 is for adding the wind for flowing through indoor condenser 601
Heat.
When the air-conditioning system 600 of the embodiment of the present invention is used for vehicle 100, ptc heater 619 can be high pressure PTC, by
The high-tension battery of vehicle drives, voltage range: 200V-900V.Alternatively, ptc heater 619 or low pressure PTC (12V or
The driving of 24V battery), voltage range: 9V-32V.In addition, this ptc heater 619 can be by several or several pieces of PTC ceramics pieces
One complete core of module and radiating fin composition, or the strip with radiating fin or block-like PTC ceramics piece
Module.
The ptc heater 619 can arrange the windward side or leeward side of condenser 601 indoors.Also, in order to improve pair
The heating effect of the wind of indoor condenser 601 is flowed through, which can be arranged in parallel with indoor condenser 601.?
In other embodiments, which can also be arranged in blowing foot air port (not shown go out) and removing for air-conditioning system 600
At white air port (not shown go out), it can also be arranged at the air port of defrosting duct (not shown go out).
If ptc heater 619 to be arranged to the windward side or leeward side of condenser 601 indoors, with indoor condenser 601
Parallel arrangement can the grooving on the cabinet (not shown go out) for holding indoor condenser 601, ptc heater 619, which is inserted perpendicularly into, to be put into
Cabinet welding support on 601 side plate of condenser, ptc heater 619 can also be fixed by screws in indoor condenser indoors
On 601 bracket.It is blown at foot air port and defrosting outlet if ptc heater 619 is arranged in, or is arranged in the wind of defrosting duct
At mouthful, it can be directly anchored to by screw at the air port of box air outlet and wind passage mouth.
It is understood that vehicle 100 may include car body 1, when the outer temperature of car body 1 is too low, the low temperature of air-conditioning system 600 is adopted
When warm heating capacity is unsatisfactory for interior demand, 619 auxiliary heating heating of ptc heater can be run, it is possible thereby to eliminate air-conditioning system
Unite 600 low-temperature heating when heating capacity it is small, the defects of entire 1 defrosting-defogging of car body is slow, and heating effect is bad.
As described above, in the present invention, expansion switch valve is the valve simultaneously with expansion valve and switch valve function,
It can be regarded as being the integrated of switch valve and expansion valve.It will be provided below a kind of example embodiment party for expanding switch valve
Formula.
As shown in fig. 6, expansion switch valve mentioned above may include valve body 500, wherein be formed on the valve body 500
Import 501, outlet 502 and connection are in import 501 and export the inner flow passage between 502, are equipped with first on inner flow passage
Spool 503 and the second spool 504, the first spool 503 make import 501 directly be connected to or disconnect connection, the second valve with outlet 502
Core 504 makes import 501 be connected to or disconnect connection by restriction 505 with outlet 502.
Wherein, " the directly connection " that the first spool 503 is realized refers to that the refrigerant entered from the import 501 of valve body 500 can
The outlet 502 of valve body 500, the first spool 503 are insusceptibly flowed directly to by inner flow passage to cross the first spool 503
" the disconnecting connection " realized refers to that the refrigerant entered from the import 501 of valve body 500 can not cross the first spool 503 and cannot lead to
Cross the outlet 502 that inner flow passage flows to valve body 500." being connected to by restriction " that second spool 504 is realized refers to from valve body
The refrigerant that 500 import 501 enters can cross the second spool 504 and flow to valve body 500 after passing through the throttling of restriction 505
Outlet 502, and " disconnecting connection " that the second spool 504 is realized refers to that the refrigerant entered from the import 501 of valve body 500 can not be got over
It crosses the second spool 504 and the outlet 502 of valve body 500 cannot be flowed to by restriction 505.
In this way, expansion switch valve of the invention can make by the control to the first spool 503 and the second spool 504
The refrigerant entered from import 501 at least realizes three kinds of states.That is, off state, crosses the direct connected state of the first spool 503
State, and cross the throttling mode of communicating of the second spool 504.
Wherein, after the liquid refrigerants of high temperature and pressure throttles using restriction 505, the mist of low-temp low-pressure can be become
Hydraulic refrigerant can create conditions for the evaporation of refrigerant, i.e. the cross-sectional area of restriction 505 cross-sectional area that is less than outlet 504,
And by the second spool 504 of control, the opening size of restriction 505 is adjustable, to control the stream for flowing through restriction 505
Amount prevents the refrigeration because of the very few generation of refrigerant insufficient, and prevents from making the generation liquid hammer of compressor 604 existing because refrigerant is excessive
As.That is, the cooperation of the second spool 504 and valve body 500 can to expand and close valve and have the function of expansion valve.
In this way, by installing the first spool 503 and the second spool 504 on the inner flow passage of same valve body 500, to realize
The control of the on-off of import 501 and outlet 502 and/or throttling control function, structure is simple, is readily produced and installs, and works as this hair
When the expansion switch valve of bright offer is applied to air-conditioning system 600, it is possible to reduce the coolant injection amount of entire air-conditioning system 600, drop
Low cost simplifies piping connection, the more conducively oil return of air-conditioning system 600.
As a kind of illustrative inner mounting structure of valve body 500, as shown in Fig. 6 to Figure 11, valve body 500 includes being formed
The valve seat 510 of inner flow passage and the first valve casing 511 and the second valve casing 512 being mounted on the valve seat 510, in the first valve casing 511
The first electromagnetic drive part 521 for driving the first spool 503 is installed, is equipped in the second valve casing 512 for driving second
Second electromagnetic drive part 522 of spool 504, the first spool 503 extend to the inner flow passage in valve seat 510 from the first valve casing 511,
Second spool 504 extends to the inner flow passage in valve seat 510 from the second valve casing 512.
Wherein, by can easily control to the first electromagnetic drive part 521, such as control of the power on/off of electromagnetic coil
The position of one spool 503, and then control import 501 and be directly connected to or disconnect connection with outlet 502.By to the second electromagnetic drive
Portion 522, if the control of the power on/off of electromagnetic coil can easily control the position of the second spool 504, to control import 501
Whether it is connected to restriction 505 with outlet 502.In other words, shared import 501 and outlet 502 are installed in parallel in valve body 500
Electric expansion valve and solenoid valve, it is thus possible to realize the on-off of expansion switch valve and/or the automation control of throttling, and simplify pipe
Road trend.
For the spatial position for making full use of all directions for expanding switch valve, expansion switch valve and different piping connections are avoided
Interference is generated, valve seat 510 is formed as polyhedral structure, the first valve casing 511,502 difference of the second valve casing 512, import 501 and outlet
It is arranged on the different surfaces of the polyhedral structure, wherein the installation direction of the first valve casing 511 and the second valve casing 512 mutually hangs down
Directly, the opening direction of import 501 and outlet 502 is mutually perpendicular to.In this way, can be by import 501,502 piping connections of outlet more
On the different surfaces of face body structure, it can be avoided that pipeline arrangement is in disorder, the problem of tangling.
As expansion switch valve a kind of typical internal structure, as shown in Figures 6 to 9, inner flow passage include respectively with
The first runner 506 and second flow channel 507 that import 501 is connected to, are formed on first runner 506 and the first spool 503 cooperation
First valve port 516, restriction 505 are formed in second flow channel 507 to be formed as the second valve port cooperated with the second spool 504
517, first runner 506 and second flow channel 507 are intersected in the downstream of the second valve port 517 and are connected to outlet 502.
That is, realizing closing or opening to the first valve port 516 by the position for converting the first spool 503, and then control
It is connected to the truncation or conducting of the first runner 506 of import 501 and outlet 502, so as to realize above-described solenoid valve
Connection or the function of disconnecting connection.Similarly, cutting to the second valve port 517 is realized by converting the position of the second spool 504
Disconnected or conducting, so as to realize the throttling function of electric expansion valve.
First runner 506 and second flow channel 507 can be respectively communicated with import 501 and outlet with any appropriate arrangement
502, for the whole occupied space for reducing valve body 500, as shown in Figure 10, second flow channel 507 opens up in the same direction with outlet 502, and first
Runner 506 be formed as with the orthogonal first through hole 526 of second flow channel 507, import 501 is by being provided with second flow channel 507
The second through-hole 527 on side wall is connected to second flow channel 507, and first through hole 526 and the second through-hole 527 connect respectively with import 501
It is logical.Wherein, first through hole 526 can be arranged or be arranged in parallel in spatial vertical with the second through-hole 527, and the present invention does not make this
Limitation, all belong to the scope of protection of the present invention among.
For the whole occupied space for being further simplified valve body 500, as shown in figure 13 to figure 16, import 501 and 502 phases of outlet
Mutually vertically it is provided on valve body 500.In this way, as shown in FIG. 13 to 15, the axis of import 501 exports 502 axis (i.e.
The axis of second flow channel 507) and the axis of first runner 506 it is vertically arranged two-by-two in space, to prevent the first spool
503 and second spool 504 mobile generation interference, and can maximumlly utilize valve body 500 inner space.
It as shown in Figure 9 and Figure 10, is the closing and opening that are easy to implement the first valve port 516, the first spool 503 is along the side of movement
To with the coaxial laying of the first valve port 516 selectively to block or be detached from the first valve port 516.
For the closing and opening for being easy to implement the second valve port 517, the second spool 504 is along moving direction and the second valve port 517
It is coaxial to lay selectively to block or be detached from the second valve port 517.
Wherein, as shown in figure 12, reliability first runner 506 blocked for the first spool 503 of guarantee, the first spool
503 may include the first valve rod 513 and the first plug 523 for being connected to 513 end of the first valve rod, which uses
In on the end face for being sealed against the first valve port 516 to block first runner 506.
For the opening size convenient for adjusting the restriction 505 of expansion switch valve, as shown in Figure 9 and Figure 10, the second spool 504
Including the second valve rod 514, the end of second valve rod 514 is formed as taper header structure, and the second valve port 517 is formed as and the taper
The taper pore structure that header structure matches.
Wherein, 505 aperture of restriction for expanding switch valve can be adjusted by moving up and down for second spool 504, and
Moving up and down for second spool 504 can be adjusted by the second electromagnetic drive part 522.If expanding the restriction 505 of switch valve
Aperture be zero, as shown in figure 9, the second spool 504 is in extreme lower position, the second spool 504 blocks the second valve port 517, refrigerant
Restriction 505, i.e. the second valve port 517 cannot be passed through completely；If expanding switch valve restriction 505 has aperture, as shown in Figure 10,
There is gap between the taper header structure and restriction 505 of the end of second spool 504, flow to outlet 502 again after coolant throttle.
It, can be by controlling the second electromagnetic drive part 522, so that the second spool when if desired increasing the throttle opening of expansion switch valve
504 move up, so that taper header structure is far from restriction 505, to realize becoming larger for 505 aperture of restriction；On the contrary, working as
When needing to reduce the aperture of the restriction 505 of expansion switch valve, it can drive mobile under 504 phase of the second spool.
In use, when only needing the solenoid valve function using expansion switch valve, as shown in Fig. 9, Figure 12 and Figure 15, first
Spool 503 is detached from the first valve port 516, and the first valve port 516 is in the open state, and the second spool 504 is in extreme lower position, the second valve
Core 504 blocks throttle orifice 505, and the refrigerant for flowing into inner flow passage from import 501 completely cannot be by throttle orifice 505, only
The first valve port 516 can be passed sequentially through, first through hole 526 flows into outlet 502.When solenoid valve powers off, the first spool 503 is to the left
Mobile, the first plug 523 and the separation of the first valve port 516, refrigerant can pass through from first through hole 526；Work as solenoid valves, the
One spool 503 moves right, and the first plug 523 and the fitting of the first valve port 516, refrigerant can not pass through from first through hole 526.
It should be noted that the dotted line with the arrow in Fig. 9 and Figure 15 represents stream of refrigerant when using solenoid valve function
Access line and trend.
When only needing the electric expansion valve function using expansion switch valve, as shown in Figure 10 and Figure 16, the second valve port
517, i.e. restriction 505 is in the open state, and the first spool 503 blocks the first valve port 516, flows into inside stream from import 501
The refrigerant in road by first through hole 526 can not can only pass sequentially through the second through-hole 527, restriction 505 flows into outlet 502,
And it can move up and down the second spool 504 to adjust the size of the aperture of restriction 505.
It should be noted that the dotted line with the arrow in Figure 10 and Figure 16 represents refrigerant when using electric expansion valve function
Flow route and trend.
When needing while using the solenoid valve function and electric expansion valve function of expansion switch valve, such as Fig. 7, Figure 13 and figure
Shown in 14, wherein dotted line with the arrow represents the glide path and trend of refrigerant, and the first spool 503 is detached from the first valve port
516, the first valve port 516 is in the open state, and restriction 505 is in the open state, and the refrigerant for flowing into inner flow passage can divide
Not along first runner 506 and the flow direction of second flow channel 507 outlet 502, to have the function of solenoid valve and electric expansion valve function simultaneously
Energy.
Vehicle 100 according to an embodiment of the present invention, including air-conditioning system according to the above embodiment of the present invention 600, car body 1
With seat 2.
Vehicle 100 according to an embodiment of the present invention, by the way that air-conditioning system 600 according to the above embodiment of the present invention is arranged,
So as to high degree reduction seat 2 is heated or cooled during energy consumption, accelerate the heating of seat 2, cooling
Speed, can also be achieved the ventilation of seat 2, reduce seat 2 and shake, improve the comfort of user.While it being followed not changing refrigerant
Refrigeration, heating and the defrosting function of vehicle 100 can be realized in the case where ring direction, and be able to satisfy while the need of refrigeration and heating
It asks.
Optionally, outdoor heat exchanger 605 is one.So as to reduce the windage of 1 front-end module of car body, reach reduction energy
Consumption, simplied system structure, the effect for facilitating pipeline to arrange.Keep the structure of air-conditioning system 600 simple simultaneously, therefore it is raw to be easy to batch
It produces.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (11)
1. a kind of air-conditioning system, which is characterized in that the air-conditioning system includes air-conditioning duct and seat air duct, the seat air duct
Suitable for being located inside seat, the outer surface of the seat is equipped with the seat air outlet being connected to the seat air duct, the seat
Air duct is connected by connecting pipe with the air-conditioning duct, the air-conditioning system further include:
Compressor；
Indoor evaporator and indoor condenser, the indoor evaporator and the indoor condenser are located in the air-conditioning duct,
The outlet of the indoor evaporator is connected with the entrance of the compressor, the entrance and the compressor of the interior condenser
Outlet is connected；
Outdoor heat exchanger, the inlet selective of the outdoor heat exchanger via first throttle branch or the first circulation branch and institute
The outlet of indoor condenser is stated, the egress selection of the outdoor heat exchanger is via the second throttling branch and the indoor steaming
The entrance connection of hair device or the second circulation branch are connected to the entrance of the compressor；
Seat heat exchanger, the seat heat exchanger are located in the seat air duct or the connecting pipe, the seat heat exchanger
Inlet selective via third throttle branch or third circulation branch with it is described interior condenser outlet be connected, the seat
The outlet of heat exchanger is connected to the entrance of the indoor evaporator；
Air door mechanism, the air door mechanism are located at the air in the air-conditioning duct will enter from the import of the air-conditioning duct
Flow to the indoor evaporator and/or the indoor condenser.
2. air-conditioning system according to claim 1, which is characterized in that it is described interior condenser and the outdoor heat exchanger it
Between be in series with the first expansion switch valve, the first throttle branch is the throttling runner of the first expansion switch valve, described the
One circulation branch is the through-flow runner of the first expansion switch valve.
3. air-conditioning system according to claim 1, which is characterized in that the air-conditioning system further includes flowing through institute for heating
State the ptc heater of indoor condenser.
4. air-conditioning system according to claim 1, which is characterized in that further include air duct door, the air duct door is located at described
The connecting pipe and the air-conditioning duct is connected or ends the connecting pipe and the air-conditioning duct in connecting pipe
Between air flowing.
5. air-conditioning system according to claim 1, which is characterized in that the flow direction of the air in the air-conditioning duct
On, the entrance of the connecting pipe is located at the downstream of the indoor evaporator.
6. air-conditioning system according to claim 1, which is characterized in that further include air blower, the air blower is located at described
With towards extracting air in the seat air duct in connecting pipe.
7. air-conditioning system according to claim 1, which is characterized in that it further include the first check valve, first check valve
It is connected between the outlet of the seat heat exchanger and the entrance of the indoor evaporator.
8. air-conditioning system according to claim 1, which is characterized in that the air-conditioning system includes the first electricity being connected in parallel
Sub- expansion valve and the first solenoid valve, first electric expansion valve limit the third throttling branch, first solenoid valve
Limit the third circulation branch.
9. air-conditioning system according to claim 1, which is characterized in that the air-conditioning system include the first heating power expansion valve,
First solenoid valve and second solenoid valve, first solenoid valve limit the third circulation branch, first thermal expansion
Valve and the second solenoid valve are connected in series to limit the third throttling branch.
10. air-conditioning system according to claim 1 to 9, which is characterized in that the seat is multiple, Mei Gesuo
It states and is equipped with the seat air duct in seat, each seat air duct is connected by the connecting pipe with the air-conditioning duct.
11. a kind of vehicle, which is characterized in that including air-conditioning system according to claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710643845.6A CN109318678B (en) | 2017-07-31 | 2017-07-31 | Air conditioning system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710643845.6A CN109318678B (en) | 2017-07-31 | 2017-07-31 | Air conditioning system and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109318678A true CN109318678A (en) | 2019-02-12 |
| CN109318678B CN109318678B (en) | 2022-04-15 |
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| CN201710643845.6A Active CN109318678B (en) | 2017-07-31 | 2017-07-31 | Air conditioning system and vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210170827A1 (en) * | 2019-12-05 | 2021-06-10 | Hyundai Motor Company | Vehicle Climate Control System and Method for Controlling the Same |
| CN114228438A (en) * | 2021-12-16 | 2022-03-25 | 重庆金康赛力斯新能源汽车设计院有限公司 | Vehicle temperature adjustment method and system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101249811A (en) * | 2008-04-03 | 2008-08-27 | 上海交通大学 | Thermoelectric type automobile air-conditioning seat |
| CN103405061A (en) * | 2012-12-29 | 2013-11-27 | 泰铂（上海）实业有限公司 | Seat for air conditioner indoor unit |
| CN205784045U (en) * | 2016-05-10 | 2016-12-07 | 比亚迪股份有限公司 | Heat pump type air conditioning system and electric automobile |
| CN205980466U (en) * | 2016-05-10 | 2017-02-22 | 比亚迪股份有限公司 | Heat pump air conditioning system and electric automobile |
| US20170096044A1 (en) * | 2015-10-06 | 2017-04-06 | Hyundai Motor Company | Integrated independent air conditioning system and method for controlling the same |
-
2017
- 2017-07-31 CN CN201710643845.6A patent/CN109318678B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101249811A (en) * | 2008-04-03 | 2008-08-27 | 上海交通大学 | Thermoelectric type automobile air-conditioning seat |
| CN103405061A (en) * | 2012-12-29 | 2013-11-27 | 泰铂（上海）实业有限公司 | Seat for air conditioner indoor unit |
| US20170096044A1 (en) * | 2015-10-06 | 2017-04-06 | Hyundai Motor Company | Integrated independent air conditioning system and method for controlling the same |
| CN205784045U (en) * | 2016-05-10 | 2016-12-07 | 比亚迪股份有限公司 | Heat pump type air conditioning system and electric automobile |
| CN205980466U (en) * | 2016-05-10 | 2017-02-22 | 比亚迪股份有限公司 | Heat pump air conditioning system and electric automobile |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210170827A1 (en) * | 2019-12-05 | 2021-06-10 | Hyundai Motor Company | Vehicle Climate Control System and Method for Controlling the Same |
| US11639082B2 (en) * | 2019-12-05 | 2023-05-02 | Hyundai Motor Company | Vehicle climate control system and method for controlling the same |
| CN114228438A (en) * | 2021-12-16 | 2022-03-25 | 重庆金康赛力斯新能源汽车设计院有限公司 | Vehicle temperature adjustment method and system |
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| CN109318678B (en) | 2022-04-15 |
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