CN108397573A - A kind of expansion device has the expansion device air-conditioning device and air conditioning for automobiles - Google Patents
A kind of expansion device has the expansion device air-conditioning device and air conditioning for automobiles Download PDFInfo
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- CN108397573A CN108397573A CN201810047971.XA CN201810047971A CN108397573A CN 108397573 A CN108397573 A CN 108397573A CN 201810047971 A CN201810047971 A CN 201810047971A CN 108397573 A CN108397573 A CN 108397573A
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- Prior art keywords
- air
- heat exchanger
- conditioning
- interface channel
- expansion device
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
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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
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- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a kind of air-conditioning devices, on the basis of orthodox car air-conditioning box, it will be for placing the condenser replaced with using the heat exchanger of the engine exhaust heat of orthodox car in heat pump system, and the inlet and outlet nozzle conjunction location of orthodox car air-conditioning box is provided with expansion device, four connecting holes of expansion device are connected to the inlet and outlet of two heat exchangers in air-conditioning box respectively, the four additional connecting hole of expansion device forms new inlet and outlet and other members of air-conditioning system form air-conditioning system, expansion device has throttling and connector function, and expansion device is also made to disclosure satisfy that the needs of two kinds of throttlings, so that the refrigerant line that air-conditioning system is connected to air-conditioning box is more compact, and it is transformed to obtain on the basis of the air-conditioning box shell of existing air conditioning for automobiles, the cost of air-conditioning device can be reduced.
Description
The application is that number of patent application is 201310694634.7, and patent application day is the invention name on December 17th, 2013
A kind of referred to as divisional application of the patent application of " expansion device, with the expansion device air-conditioning device and air conditioning for automobiles ".
Technical field
The present invention relates to field of automobile air conditioner.
Background technology
With the development of low-carbon economy, more strict requirements are proposed to energy-saving and emission-reduction, countries in the world are all new energy
Strategic direction of the automobile as automobile industry development, and electric vehicle or hybrid vehicle be due to there is the characteristics of energy conservation and environmental protection,
As one of auto trend from now on.But electric vehicle due to the use of battery as a source of power, battery as core component,
Its cost and capacity/weight restrict the development of new-energy automobile；Its air-conditioning system is equally also different from original air conditioning for automobiles
System：Traditional internal combustion engine type automobile is freezed using engine driving belt pulley compressor, on the other hand utilizes internal combustion engine
Waste heat and the heat of engine exhaust heat compartment；Electric vehicle is freezed using motor compressor, but lacked as
The heat of traditional combustion engine formula engine can utilize.It is more general at present to enable electric automobile air-conditioning system to provide heat
It is to utilize electrical energy drive ptc heater all over the technology used, heating is carried out to passenger compartment using the heat that ptc heater generates.
Due to needing to consume a large amount of electric energy using PTC heating, the mileage travelled of electric vehicle, also, electrical heating can be reduced
The heating efficiency of device is less than 1, and there are certain energy losses, in addition, since electric vehicle like that can be with without image of Buddha orthodox car
Compartment is heated using the waste heat of internal combustion engine and the heat of engine exhaust.In this way, the air-conditioning box of orthodox car can not directly turn
It uses in electric vehicle, needs to redesign a kind of new air-conditioning box to be suitable for the air-conditioning system of electric vehicle, electricity can be increased
The cost of electrical automobile.
In this way, how to provide a kind of without redesigning new air-conditioning box, can meet electricity using the air-conditioning box of orthodox car
The air-conditioning device of electrical automobile air-conditioning system becomes the technical issues of technical staff is badly in need of solving.
Invention content
In order to overcome it is existing in the prior art need redesign air-conditioning box the shortcomings that, achieve the purpose that reduce cost,
The present invention provides a kind of air-conditioning devices used for automobile air conditioning, not only motor compressor driving can be used to freeze, can be with
Heat is provided using heat pump cycle and carries out passenger compartment heating, and the Energy Efficiency Ratio that heat is provided using heat pump cycle is bigger than ptc heater
It is big to improve.
The present invention provides a kind of expansion device, including valve module and coil, valve module include valve body and spool, the valve body
Including the first inner joint, the second inner joint, the first external tapping, the second external tapping, the valve body further includes third inner joint and
Four inner joints, third external tapping and the 4th external tapping are formed with connection first inner joint and first external in the valve body
Mouthful the first interface channel, connection second inner joint and the second interface channel of the second external tapping, connect in the third
Interface with the third interface channel of third external tapping, the 4th interface channel that connect the 4th inner joint and the 4th external tapping,
And the 5th interface channel, restriction is formed in first interface channel, and can control fluid by the spool passes through
The flow of the restriction, the 5th interface channel are connected to the 4th interface channel and the first interface channel, and the described 5th
It is provided with the flow controller at least one throttle orifice in interface channel, the throttle orifice is connected to the 4th interface channel and the
A connection channel.
Preferably, first interface channel is divided into two sections, and one section is connected to first inner joint, another section with it is described
First external tapping is connected to, and is connected to by throttle orifice between two sections of interface channels, the 5th interface channel is connect with described first
One section of connection being connected to the first external tapping on channel, the 5th interface channel include the first connecting cavity and the second connecting cavity,
First connecting cavity is connected to first external tapping, and second connecting cavity is connected to the 4th interface channel, the throttling
Device is fixedly mounted in first connecting cavity；Hermetic terminal, the section are additionally provided on the port of 5th interface channel
Stream device and the hermetic terminal do not interfere first interface channel and the 4th to connect when being mounted in the 5th interface channel
Channel.
The present invention also provides a kind of air-conditioning devices, including air-conditioning box, further include above-mentioned expansion device, and the expansion device is set
Set on the air-conditioning box, the air-conditioning box include air-conditioning box shell and the First Heat Exchanger being arranged in the air-conditioning box shell,
The inside of second heat exchanger, air blower, temperature damper, cycle throttle and air supply damper, the air-conditioning box shell is formed with for air
Air duct, air inlet and the air outlet of flowing, each inner joint on the expansion device pass through pipeline and exchange heat with described first respectively
Inlet and outlet connection on device and the second heat exchanger.
Preferably, the air-conditioning box shell further includes the holder for installing the expansion device, and the holder is towards air-conditioning
The outer side of box shell is a flat surface, and at least two openings for running through the holder, connection described first are offered on the holder
The connecting tube of heat exchanger is located at the bottom of the opening on the holder and across being clamped on the bracket, and connection described second is changed
The connecting tube of hot device is located at the open end side of the opening on the holder and passes through clamping on the bracket；On the holder
Opening be U-shaped opening, at least two pressing plates are additionally provided between the holder and expansion device, opened up on the pressing plate there are two
The orthogonal bayonet of opening direction, the connecting tube for connecting the expansion device and First Heat Exchanger, the second heat exchanger are connected to
In the bayonet；The expansion device is bolted on the pressing plate, and the pressing plate is abutted against with the holder.
Preferably, the air-conditioning box shell outer wall offers third opening at the position for accommodating second heat exchanger,
Second heat exchanger is stretched by third opening in air-conditioning box shell, and detachable by least one of buckle, screw
Be fixed in air-conditioning box shell.
Optionally, the air-conditioning box further includes the auxiliary heater being arranged in second heat exchanger downstream side, described auxiliary
It is electric heater to help heater, and the First Heat Exchanger and the second heat exchanger are micro-channel heat exchanger.
Preferably, the downstream of the First Heat Exchanger is provided with the first wind passage mouth and the second wind passage mouth, first wind
Air duct is divided into two-way by road junction and the second wind passage mouth, is connected all the way by air duct where second wind passage mouth and the second heat exchanger
Logical, another way bypasses second heat exchanger by first wind passage mouth, and the temperature damper setting is in first heat exchange
Air duct between device and the second heat exchanger, the temperature damper can turn between first wind passage mouth and the second wind passage mouth
It is dynamic.
Preferably, the air supply damper includes the first air supply damper and the second air supply damper, and the air outlet includes first
Air outlet, the second air outlet and third air outlet are provided with third wind passage mouth, close in the air duct close to the first air outlet
The 6th wind passage mouth is provided in the air duct of second air outlet, at third air outlet and the position adjacent with the 6th wind passage mouth
It is provided with tendencies road junction, the 4th wind is provided at the position between third wind passage mouth and tendencies road junction, the 6th wind passage mouth
Road junction；First air supply damper is arranged between third wind passage mouth and the 4th wind passage mouth, and the second air supply damper setting exists
Between tendencies road junction and the 6th wind passage mouth, the first air supply damper can rotate between third wind passage mouth and the 4th wind passage mouth,
Second air supply damper can rotate between tendencies road junction and the 6th wind passage mouth.
The present invention also provides a kind of air conditioning for automobiles, including above-mentioned air-conditioning device, the air conditioning for automobiles further includes compressor,
One solenoid valve, second solenoid valve, third solenoid valve, gas-liquid separator, outdoor heat exchanger, check valve, expansion valve, the compressor
Outlet be connected to the third external tapping on the expansion device by pipeline, the 4th external tapping pass through pipeline with it is described first electricity
Magnet valve is connected to, and is divided into two-way after being come out from first solenoid valve, is connected to all the way with the expansion valve, another way and the outdoor
The inlet communication of heat exchanger；It is divided into two-way after being come out from the outdoor heat exchanger, passes through the check valve and the expansion all the way
First external tapping of device is connected to, and another way passes through the second solenoid valve, the gas-liquid separator and the compressor
Entrance be connected；It is divided into two-way after being come out from the expansion valve, passes through the second interface of pipeline and the expansion device all the way
Connection, another way are connected by the third solenoid valve, gas-liquid separator with the entrance of the compressor.
Preferably, the air conditioning for automobiles includes refrigeration and heat-production functions, and in refrigeration, first solenoid valve is opened, from
The refrigerant that 4th inner joint enters the expansion device leaves expansion device from the 4th external tapping；It is described in heating
First solenoid valve is closed, and enters section of the refrigerant of the expansion device in the 5th interface channel from the 4th inner joint
Throttle orifice on stream device is flowed into first interface channel, and flows out the expansion device by the first inner joint.
Expansion device in the air-conditioning device of the present invention has throttling and connector function, and also enables expansion device
Meet the needs of two kinds of throttlings so that the refrigerant line that air-conditioning system is connected to air-conditioning box is more compact, can be in existing automobile
It is transformed to obtain on the basis of the air-conditioning box shell of air-conditioning, the cost of air-conditioning device can be reduced.
Description of the drawings
Fig. 1 is the structural schematic diagram of the air-conditioning device of the present invention；
Fig. 2 is the composition schematic diagram of air-conditioning device shown in Fig. 1；
Fig. 3 is the close-up schematic view of Fig. 2；
Fig. 4 is the schematic cross-sectional view of air-conditioning device shown in Fig. 1；
Fig. 5 is the stereoscopic schematic diagram of expansion device in air-conditioning device shown in Fig. 1；
Fig. 6 is the stereoscopic schematic diagram at another visual angle of expansion device shown in Fig. 5；
Fig. 7 is the schematic front view of expansion device；
Fig. 8 is the A-A schematic cross-sectional views of Fig. 7；
Fig. 9 is the B-B schematic cross-sectional views of Fig. 7；
Figure 10 is the partial schematic sectional view of Fig. 7；
Figure 11 is the structural schematic diagram of the air conditioning for automobiles with air-conditioning device of the present invention.
Specific implementation mode
The air-conditioning device of the present invention will utilize orthodox car on the basis of orthodox car air-conditioning box for placing
The heat exchanger of engine exhaust heat replaces with the condenser in heat pump system, and is taken in the inlet and outlet of orthodox car air-conditioning box
Connecting portion is provided with expansion device, four connecting holes of expansion device inlet and outlet with two heat exchangers in air-conditioning box respectively
The four additional connecting hole of connection, expansion device forms new inlet and outlet and other members of air-conditioning system form air-conditioning system
System.
With reference to the accompanying drawings and detailed description, the air-conditioning device used for automobile air conditioning of the present invention is specifically described.
Fig. 1 is the structural schematic diagram of the air-conditioning device of the present invention, and Fig. 2 is the composition schematic diagram of air-conditioning device shown in Fig. 1, figure
3 be the close-up schematic view of Fig. 2, and Fig. 4 is the schematic cross-sectional view of air-conditioning device shown in Fig. 1, and wherein Fig. 2 is in order to clearly illustrate this
The composition of the air-conditioning device of invention, has clipped part enclosure.
As shown in Figures 1 to 4, air-conditioning device 10 of the invention includes air-conditioning box 100 and the expansion being arranged on air-conditioning box
Device 110, air-conditioning box 100 include First Heat Exchanger 101, the second heat exchanger 102, auxiliary heater 103, air blower 104, temperature
Air door 105, cycle throttle 106, air supply damper 109 and for accommodate First Heat Exchanger 101, the second heat exchanger 102, auxiliary heating
The air-conditioning box shell 111 of device 103, air blower 104, temperature damper 105, cycle throttle 106, air supply damper 109, wherein first changes
Hot device and the second heat exchanger are micro-channel heat exchanger, and auxiliary heater is electric heater.Interior cycle is offered in air-conditioning box shell 111
Air port 107, outer circulation air port 108, air outlet and the holder 119 for fixed expansion device 110, air is from interior circulating air opening
107 and outer circulation air port 108 enter air-conditioning box 100 in, from air outlet flow out air-conditioning box 100.
The air duct flowed for air is also formed in air-conditioning box shell 111, along the direction that air flows in air duct, air blower
104 be positioned close to interior circulating air opening 107, outer circulation air port 108 air duct downstream at, air from interior circulating air opening 107 and/or
Outer circulation air port 108 enters in air-conditioning box shell 111, becomes air stream A by 104 adherence pressure of air blower, enables air to
It is flowed in air duct in air-conditioning box shell, this Airflow A is flowed to the First Heat Exchanger at 104 downstream of air blower.
First Heat Exchanger 101 is arranged in the downstream of air blower 104, and first is provided at the downstream of First Heat Exchanger 101
Wind passage mouth 1051 and the second wind passage mouth 1052, the second heat exchanger 102 are arranged at the downstream of the second wind passage mouth 1052, the first air duct
Air duct is divided into two-way by mouth 1051 and the second wind passage mouth 1052, passes through second wind passage mouth, 1052 and second heat exchanger all the way
102 places air duct are connected to, and another way bypasses the second heat exchanger 102 by the first wind passage mouth 1051.First Heat Exchanger 101 and second
The temperature damper 105 of the amount and flow direction for adjusting air flowing, temperature are additionally provided in air duct between heat exchanger 102
Air door 105 can be rotated between the first wind passage mouth 1051 and the second wind passage mouth 1052.Auxiliary heater is positioned close to
At the downstream of second heat exchanger 102.
Air stream A carries out heat exchange when by First Heat Exchanger 101, with the heat transferring medium in First Heat Exchanger 101, empty
Air-flow A by with after the heat transferring medium heat exchange in First Heat Exchanger 101 become air stream B.At this point, being arranged in First Heat Exchanger
101 and the second temperature damper 105 between heat exchanger 102 control the flowing of air stream B, temperature damper 105 can be according to as follows
Mode controls the flowing of air stream B：
1, temperature damper 105 controls air stream B and all flows to the second heat exchanger 102, and temperature damper 105 closes first at this time
Wind passage mouth 1051；
2, temperature damper 105 controls air stream B and does not flow to the second heat exchanger 102 all, and temperature damper 105 is closed at this time
Second wind passage mouth 1052；
3, temperature damper control section air stream B flows to the second heat exchanger 102, and partial air flows to First Heat Exchanger 101,
Temperature damper 105 is between the first wind passage mouth 1051 and the second wind passage mouth 1052 at this time.
When air stream B flows to the second heat exchanger 102 by the second wind passage mouth 1052, in air stream B by the second heat exchange
When device 102, the heat transferring medium in air stream B and the second heat exchanger 102 carries out the heat of heat exchange absorption heat-exchange medium, air stream
B becomes air stream C after the heating of the second heat exchanger 102.If auxiliary heater 103 is opened, air stream C is heated by auxiliary
Device further heats, and the temperature of air stream C further increases.Air stream C and the sky by the first wind passage mouth 1051 later
Air-flow B becomes air stream D after mixing.
The downstream of air flow channel is provided with air supply damper 109 at air outlet, and air supply damper 109 includes the first air-supply wind
Door 109a and the second air supply damper 109b, air outlet include the first air outlet 109c, the second air outlet 109d and third air outlet
109f.It is provided with third wind passage mouth 1053 in the air duct close to the first air outlet 109c, close to the second air outlet 109d's
It is provided with the 6th wind passage mouth 1056 in air duct, sets in close third air outlet 109f and with 1056 adjacent position of the 6th wind passage mouth
It is equipped with tendencies road junction 1055, is provided between third wind passage mouth 1053 and tendencies road junction 1055, the 6th wind passage mouth 1056
4th wind passage mouth 1054.First air supply damper 109a is arranged between third wind passage mouth 1053 and the 4th wind passage mouth 1054, and second
Air supply damper 109b is arranged between tendencies road junction 1055 and the 6th wind passage mouth 1056.First air supply damper 109a can be
It is rotated between three wind passage mouths 1053 and the 4th wind passage mouth 1054, the second air supply damper 109b can be at tendencies road junction 1055 and
It is rotated between six wind passage mouths 1056.
The air stream D after converging can be controlled by third wind passage mouth 1053 and the 4th by the first air supply damper 109a
Assignment of traffic when wind passage mouth 1054 can control the air come out from the 4th wind passage mouth 1054 by the second air supply damper 109b
Flow assignment of traffic of D when by tendencies road junction 1055 and six wind passage mouths 1056.First air supply damper 109a and second is sent
The mode that the mode of wind air door 109b control air streams controls air stream with temperature damper 105 above is same or similar,
Here it is no longer described in detail.
By the adjusting of air supply damper, air stream D is from air outlet outflow air-conditioning box shell 111, specifically, according to the first air-supply
The present position of air door 109a and the second air supply damper 109b, air stream D can be from the first air outlet 109c, the second air outlets
At least one of which outflow air-conditioning box shell 111 in 109d and third air outlet 109f.In the present embodiment, air supply damper 109
Air stream D is distributed to the air quantity of passenger compartment, 109c is face's air outlet, and 109d is front windshield air outlet, and 109f is foot
Air outlet.By adjusting air supply damper 109a, blowing face air quantity and front windshield glass blown by 109d by 109c can be distributed
Glass+can distribute and front windshield glass is blown by 109d by adjusting air supply damper 109b by the air quantity summation for blowing foot of 109e
Glass air quantity and foot air quantity is blown by 109e.
As shown in figure 4, First Heat Exchanger 101 and the second heat exchanger 102 are arranged in air-conditioning box shell 111, wherein air-conditioning
111 outer wall of box shell offers third opening 1021 at the position for accommodating the second heat exchanger 102, and the second heat exchanger 102 can be with
It is stretched into air-conditioning box shell 111 by third opening 1021, and air-conditioning box is detachably mounted to by modes such as buckle, screws
On shell 111.Likewise, auxiliary heater 103 can also be to be fixed in air-conditioning box shell 111 by same mode.
It is pointed out here that auxiliary heater 103 can not also be arranged in air-conditioning box, in the second heat exchange in present embodiment
It is provided with auxiliary heater 103 at the downstream of device 102, the temperature of air stream can be preferably controlled by auxiliary heater 103,
The temperature of air-conditioning system is set to control more accurate.
It is formed with the holder 119 of platform-like on the side wall of air-conditioning box shell 111, holder 119 is towards 111 outer side of air-conditioning box shell
It is upper that there is flat surface, at least two U-shaped openings for running through holder 119, the respectively first opening 1191 are offered on holder 119
With the second opening 1192.First inlet tube 101a of the inlet and outlet of connection First Heat Exchanger 101 and the second heat exchanger 102,
First outlet pipe 101b, the second inlet tube 102a and second outlet pipe 102b pass through the first opening 1191 and the second opening
1192.Wherein the first inlet tube 101a, first outlet pipe 101b are located at the bottom of the first opening 1191 and second opening 1192
Portion, the second inlet tube 102a and second outlet pipe 102b are then close to the open end of the first opening 1191 and the second opening 1192.
In the present embodiment, the first inlet tube 101a and second outlet pipe 102b are kept centainly across the second opening 1192 and two pipes
Distance, first outlet pipe 101b and the second inlet tube 102a are maintained a certain distance across the first opening 1191 and two pipes.
In this way, the second inlet tube 102a and second outlet pipe 102b are arranged in the open end of U-shaped opening, second can be made to change
The the second inlet tube 102a and second outlet pipe 102b of the inlet and outlet of the second heat exchanger 102 of hot device 102 and connection are dismountable
It being fixed in air-conditioning box shell 111, when installation, the second heat exchanger 102 is inserted into air-conditioning box shells 111 by third opening 1021, and second
Inlet tube 102a and second outlet pipe 102b is then connected in the first opening 1191 and second opening 1192；When dismounting, second changes
Hot device 102 exits air-conditioning box shell 111 by third opening 1021, meanwhile, the second inlet tube 102a and second outlet pipe 102b are moved back
Go out the first opening 1191 and second opening 1192.The dismounting at any time that the second heat exchanger 102 may be implemented in this way, facilitates air-conditioning box
100 repair and the replacement of the second heat exchanger 102, while the utilization of air-conditioning box can be also improved, when the air-conditioning box is used in biography
When system automobile, then it is suitable for orthodox car heat exchanger of air conditioner, when the air-conditioning box is suitable for electronic vapour to replace the second heat exchanger
Che Shi, then the second heat exchanger is that air-conditioning box may be implemented in this way and be suitable for a variety of skies suitable for electric automobile air conditioner heat exchanger
The needs of adjusting system can substantially reduce the cost of air conditioning for automobiles.
It is connected with pressing plate 117 on the first inlet tube 101a and first outlet pipe 101b, pressing plate 117 is fixedly mounted on holder
In 119 flat surface, specifically, can be opened up on pressing plate 117 there are two the identical or opposite bayonet of opening direction, it can also
It is to open up there are two the orthogonal bayonet of opening direction, in the present embodiment, opens up that there are two opening direction phases on pressing plate 117
Mutually vertical bayonet, this setup can improve between the first inlet tube 101a, first outlet pipe 101b and pressing plate 117
Stability.Likewise, being connected with pressing plate 117 on the second inlet tube 102a and second outlet pipe 102b.
As depicted in figs. 1 and 2, expansion device 110 can be bolted on pressing plate 117, specifically, expansion device
It is provided with multiple connecting holes 116 on 110, multiple threaded holes corresponding with connecting hole 116 are also equipped on two pressing plates 117
117a, bolt 118 passes through connecting hole 116 and is tightened in threaded hole 117a, and the connecting tube of expansion device and each heat exchanger
It links together, and each connecting tube is clamped with the U-shaped opening on holder and connects, in this way, expansion device is made mutually to be leaned on holder
It is connected together, to make expansion device 110 and pressing plate be fixed in air-conditioning box shell 111.
As shown in Fig. 5 to Figure 10, expansion device 110 includes valve module and coil 1102, and wherein valve module includes valve body
1101 and spool, a part for spool stretch into valve body 1101 and (be not drawn into figure), coil 1102 is arranged on another part.
Valve body 1101 includes the first inner joint 111a, the second inner joint 111b, third inner joint being located on one side
112a, the 4th inner joint 112b, further include be located at opposite another side on the first external tapping 111A, the second external tapping 111B,
Third external tapping 112A, the 4th external tapping 112B are formed with the first inner joint 111a of connection and the first external tapping in valve body 1101
The first interface channel of 111A
11011, connection the second inner joint 111b and the second interface channel 11012 of the second external tapping 111B, connect third
Inner joint 112a and the third interface channel 11013 of third external tapping 112A connect the 4th inner joint 112b and the 4th external tapping
The 4th interface channel 11014 of 112B and the 5th interface channel 113.
Be formed with throttle orifice (being not drawn into figure) in wherein the first interface channel 11011, in this way, the first inner joint 111a and
Have certain difference of height to form restriction between first external tapping 111A, that is to say, that the first interface channel 11011, which divides, is
Two sections, one section is connected to the first inner joint 111a, and another section is connected to the first external tapping 111A, passes through between two sections of interface channels
Restriction is connected to.The size that orifice openings can be adjusted by the needle in spool (being to draw in figure) controls the stream of refrigerant
Amount, can fully opened and a fully close the first interface channel 11011, the flowing of refrigerant can be ended when completely closing.
Second interface channel 11012, third interface channel 11013 and the 4th interface channel 11014 are linear type channel.
5th interface channel 113 is connected on the 4th interface channel 11014 and the first interface channel 11011 and the first external tapping
One section of 111A connections, the 5th interface channel 113 include the first connecting cavity 1131 and the second connecting cavity 1133 coaxially, and first connects
Connecing all has internal thread in chamber 1131 and the second connecting cavity 1133, and the internal diameter of the first connecting cavity 1131 is less than the second connecting cavity
1133 internal diameter.First connecting cavity 1131 is connected to the first external tapping 111A, the second connecting cavity 1133 then with the second inner joint
112b and the second external tapping 112B connections.
Expansion device 110 further includes the flow controller 114 being arranged in the 5th interface channel 113, the peripheral side of flow controller 114
On be provided with external screw thread corresponding with the internal thread in the first connecting cavity 1131, connected by external screw thread on peripheral side and first
The internal thread connect on chamber 1131 matches, and flow controller 114 is fixedly mounted on the first connecting cavity 1131 of the 5th interface channel 113
It is interior, in order to improve the leakproofness of flow controller 114, can also sealing ring be set on the peripheral side of flow controller 114.Specifically, section
Stream device 114 is located in the part on the 5th interface channel 113 between first external tapping 111A and the 4th external tapping 112B.Flow controller
114 centre is provided at least one axial throttle orifice, and can be connected to the first connecting cavity 1131 and second by throttle orifice connects
Connect chamber 1133.In this way, the first external tapping 111A passes through the first connecting cavity 1131, flow controller 114, the second connecting cavity 1133 and the 4th
External tapping 112B and the 4th inner joint 112b is connected, when fluid cannot be by the 4th external tapping 112B and the 4th inner joint 112b
Between when flowing, then fluid can pass through flow controller 114.
The present invention on valve body by being arranged the 5th interface channel, and by the way that flow controller is arranged in the 5th interface channel,
Two throttling sets are integrated into one, expansion device is made to have two kinds of throttling functions, the compact, occupied space with piping connection
The advantageous effects such as small, at low cost.
It is additionally provided with hermetic terminal 115 in the port of the 5th interface channel 113, is set on the peripheral side of hermetic terminal 115
It is equipped with external screw thread and sealing ring, is sealed by hermetic terminal 115, prevents heat transferring medium from flowing out expansion device.
It is pointed out here that in the present embodiment, flow controller 114 and hermetic terminal 115 are mounted on the 5th interface channel 113
Do not interfere the first interface channel 11011 and the 4th interface channel 11014 when interior, can prevent heat transferring medium in the 4th connection in this way
Pressure drop is excessive when flowing in channel 11014.
First inner joint 111a can be connect with the first inlet tube 101a of First Heat Exchanger, and the second inner joint 111b can be with
It is connect with the first outlet pipe 101b of First Heat Exchanger, third inner joint 112a can be with the second import of the second heat exchanger 102
Pipe 102a connections, the 4th inner joint 112b can be connect with the second outlet pipe 102b of the second heat exchanger 102.In this way, heat exchange is situated between
Matter can flow into each heat exchanger from external tapping by expansion device 110 and connecting tube, then by connecting tube and expansion device from another
Outer external tapping outflow.Wherein, it is refrigerant by the first external tapping 111A heat transferring mediums flowed into, refrigerant is by first
It is throttled decompression when throttle orifice in interface channel 11011.
The operation principle of air-conditioning device 10 is specifically described with reference to air conditioning for automobiles.
Figure 11 is the structural schematic diagram of the air conditioning for automobiles with air-conditioning device, which can be applied to electric vehicle
On.As shown, the outlet of compressor 1 is connected to by pipeline with the third external tapping 112A on expansion device 110, the 4th is external
Mouth 112B is connected to by pipeline with the first solenoid valve 41, is divided into two-way after being come out from the first solenoid valve 41, is connected all the way with expansion valve 5
It is logical, all the way with the inlet communication of outdoor heat exchanger 3.It is also classified into two-way after being come out from outdoor heat exchanger 3, passes through check valve 6 all the way
It is connected to the first external tapping 111A of expansion device 110, another way passes through second solenoid valve 42, gas-liquid separator 2 and compressor 1
Entrance be connected.It is also classified into two-way after being come out from expansion valve 5, passes through the second interface of pipeline and expansion device 110 all the way
111B is connected to, and another way is connected by third solenoid valve 43, gas-liquid separator 2 with the entrance of compressor 1.
The air conditioning for automobiles of the present invention includes refrigeration mode, heating mode.
Refrigeration mode：
First solenoid valve 41, third solenoid valve 43 are opened, and second solenoid valve 42 is closed, and expansion valve 5 is closed.1, compressor
The gaseous refrigerant of refrigerant compression to high pressure-temperature is delivered to third external tapping 112A, and refrigerant passes through the second heat exchanger 102
It is come out from interface 112B.Refrigerant enters outdoor heat exchanger 3 by the first solenoid valve 41, and the refrigerant of this high pressure-temperature is in outdoor
External heat release, outdoor air take away heat in heat exchanger 3, and from the outlet of outdoor heat exchanger 3, refrigerant out has been cooled simultaneously
It is condensed into high-pressure liquid.From the outlet of outdoor heat exchanger 3, refrigerant out enters sky by check valve 6 from the first external tapping 111A
It adjusts case 100, this refrigerant to flow through expansion device 110 and First Heat Exchanger 101, is carried out by First Heat Exchanger 101 and air stream A
Heat exchange absorbs and leaves air-conditioning box 100 from the first external tapping 111B after the heat in air stream A.This refrigerant is by third electricity
Magnet valve 43 enters gas-liquid separator 2, if refrigerant still carries liquid phase component, is detached in gas-liquid separator 2, liquid phase system
Cryogen stays in gas-liquid separator, and vapor phase refrigerant returns to 1 import of compressor, and is compressed to high pressure-temperature gaseous state by compressor 1,
So complete a cycle.
According to the temperature of air stream B, temperature damper 105 and the second heat exchanger 102 can have different working conditions.Work as sky
Air-flow B temperature has reached comfort requirement, and temperature damper 105 completely closes the second wind passage mouth 1052, and air stream B bypasses second
Heat exchanger 102 and auxiliary heater 103 are directly sent from air supply damper 109 to passenger compartment.When air stream B temperature is too low, then temperature
Air door 105 between the first wind passage mouth 1051 and the second wind passage mouth 1052, make partial air after heating from air-supply wind
Door 109 is sent to passenger compartment.
At this point, refrigerant enters the second connecting cavity 1133 by the 4th inner joint 112b, very due to 114 flow resistance of flow controller
Greatly, refrigerant almost all flows out expansion device from the 4th external tapping 112B.
Heating mode：
Second solenoid valve 42 is opened, and the first solenoid valve 41, third solenoid valve 43 are closed, and expansion valve 5 is opened.Pass through tune at this time
Spool in whole expansion device 10 is that the throttle orifice aperture in the first interface channel 11011 is maximum, and it is logical to fully open the first connection
Road 11011.The gaseous refrigerant of refrigerant compression to high pressure-temperature is delivered to air-conditioning box third external tapping 112A by compressor 1,
By the refrigerant of the second heat exchanger 102 be cooled condensation to high pressure liquid, since the 4th external tapping 112B of air-conditioning box is by the
One solenoid valve 41 ends, and is merely able to through the throttle orifice flowing in flow controller 114, while pressure is lowered.Since check valve 6 is inverse
To cut-off, refrigerant is merely able to by the throttle orifice in 110 first interface channel 11011 of throttling set, and pressure again under
Drop, temperature reduce, and become the gas-liquid two-phase state of middle pressure medium temperature, and enter First Heat Exchanger 101, and the temperature of refrigerant is still at this time
Higher than the temperature of air stream A, heat is discharged to air stream A by 101 refrigerant of First Heat Exchanger, air stream A is heated as
Air stream B, later refrigerant left again from the second external tapping 111B.Compression refrigerant enters expansion valve 5 later, and pressure is substantially
Decline, becomes the gas-liquid two-phase state of low-pressure low-temperature, and enter outdoor heat exchanger 3.This low-pressure low-temperature refrigerant is in outdoor heat exchanger 3
In absorb heat from outdoor air, from the outlet of outdoor heat exchanger 3, refrigerant out is heated and is gasified as low-pressure gaseous, is passed through
Second solenoid valve 42 enters gas-liquid separator 2.If refrigerant still carries liquid phase component, detached in gas-liquid separator 2,
Liquid phase refrigerant stays in gas-liquid separator, and vapor phase refrigerant returns to 1 import of compressor, and is compressed to high pressure height by compressor 1
Wet state so completes a cycle.
Temperature damper 105 completely closes the first wind passage mouth 1051 at this time, keeps air stream B temperature further up easypro to meeting
Appropriateness requires.103 selectively operating of auxiliary heater does not work, and depends on the overall applicability of air-conditioning system and determines.If environment
Temperature is not abnormal low or need not be rapidly heated, and can meet comfort requirement after being heated by the second heat exchanger 102, can
To select auxiliary heater 103 not work.If the abnormal low or needs of environment temperature are rapidly heated, auxiliary heater can be selected
103 work can so further increase system heating capacity and improve heating speed.
Air stream C after the second heat exchanger 102 and auxiliary heater 103 has reached comfort requirement, by sending
Wind air door 109 is sent to passenger compartment.
In First Heat Exchanger 101, the second heat exchanger 102 and auxiliary heater 103, play main heat effect should be
Second heat exchanger 102, followed by First Heat Exchanger 101, followed by auxiliary heater 103, what is preferentially opened also should be so suitable
Sequence.
Expansion device 110 is can be seen that with barrier with heating mode by refrigeration mode and is connected to First Heat Exchanger 101
With the function of the second heat exchanger 102, make expansion device that there is throttling and connector function, and also enable expansion device 110
Meet the needs of two kinds of throttlings so that the refrigerant line that air-conditioning system is connected to air-conditioning box is more compact.
It is pointed out here that the air-conditioning box can also be applied in other air conditioning for automobiles, in air conditioning for automobiles, when from the 4th
Inner joint enters the fluid refrigerant of the expansion device when can be flowed out from the 4th external tapping, and refrigerant is from the 4th external tapping stream
Go out, when refrigerant cannot be flowed out from the 4th external tapping, is then flowed into from the throttle orifice on the flow controller in the 5th interface channel
In first interface channel, and the expansion device is flowed out by the first inner joint, specific flowing can be according to automobile sky
Adjust specific setting.
In addition, when the air-conditioning device is applied on orthodox car air-conditioning, it is only necessary to replace the flow controller on expansion device
Be changed to the component of not throttle orifice, at this point, the first external tapping and the second external tapping connect refrigeration system, third external tapping and
4th external tapping connects engine waste heat utilization system.
The above is only specific embodiments of the present invention, is not intended to limit the present invention in any form.Though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention.It is any to be familiar with those skilled in the art
Member, without departing from the scope of the technical proposal of the invention, all using the disclosure above technology contents to technical solution of the present invention
Many possible changes and modifications are made, or are revised as the equivalent embodiment of equivalent variations.Therefore, every without departing from skill of the present invention
The content of art scheme, according to the technical essence of the invention any simple modification made to the above embodiment, equivalent variations and repair
Decorations, still fall within technical solution of the present invention protection in the range of.
Claims (10)
1. a kind of expansion device, including valve module and coil, valve module includes valve body and spool, and the valve body includes first inscribed
Mouth, the second inner joint, the first external tapping, the second external tapping, which is characterized in that the valve body further includes third inner joint and the 4th
Inner joint, third external tapping and the 4th external tapping are formed with connection first inner joint and the first external tapping in the valve body
The first interface channel, connection second inner joint and the second interface channel of the second external tapping, connect the third and be inscribed
Mouthful with the third interface channel of third external tapping, the 4th interface channel that connect the 4th inner joint and the 4th external tapping, with
And the 5th interface channel, restriction is formed in first interface channel, and can control fluid by the spool passes through institute
The flow of restriction is stated, the 5th interface channel is connected to the 4th interface channel and the first interface channel, and the described 5th connects
It connects in road and is provided with the flow controller at least one throttle orifice, the throttle orifice is connected to the 4th interface channel and first
Interface channel.
2. expansion device according to claim 1, which is characterized in that first interface channel is divided into two sections, one section with
The first inner joint connection, another section is connected to first external tapping, passes through the throttle orifice between two sections of interface channels
Connection, the 5th interface channel and one section of connection being connected to the first external tapping on first interface channel, the described 5th
Interface channel includes the first connecting cavity and the second connecting cavity, and first connecting cavity is connected to first external tapping, and described the
Two connecting cavities are connected to the 4th interface channel, and the flow controller is fixedly mounted in first connecting cavity；5th connection
Hermetic terminal is additionally provided on the port in channel, the flow controller and the hermetic terminal are mounted in the 5th interface channel
When do not interfere first interface channel and the 4th interface channel.
3. a kind of air-conditioning device, including air-conditioning box, which is characterized in that further include expansion dress according to claim 1 or 2
It sets, the expansion device is arranged on the air-conditioning box, and the air-conditioning box includes air-conditioning box shell and is arranged in the air-conditioning box
First Heat Exchanger, the second heat exchanger, air blower, temperature damper, cycle throttle in shell and air supply damper, the air-conditioning box shell
Inside is formed with air duct, air inlet and the air outlet flowed for air, and each inner joint on the expansion device passes through pipe respectively
Road is connected to the inlet and outlet on the First Heat Exchanger and the second heat exchanger.
4. air-conditioning device according to claim 3, which is characterized in that the air-conditioning box shell further includes described swollen for installing
The holder of swollen device, the holder are a flat surface towards side outside air-conditioning box shell, and offering at least two on the holder passes through
The opening for wearing the holder, the connecting tube for connecting the First Heat Exchanger are located at the bottom of opening on the holder and across card
It connects on the bracket, the connecting tube for connecting second heat exchanger is located at the open end side of the opening on the holder and passes through
Clamping is on the bracket；Opening on the holder is U-shaped opening, is additionally provided at least between the holder and expansion device
Two pressing plates, open up that there are two the orthogonal bayonets of opening direction on the pressing plate, connect the expansion device and are changed with first
Hot device, the second heat exchanger connecting tube be connected in the bayonet；The expansion device is bolted on the pressing plate,
The pressing plate is abutted against with the holder.
5. according to the air-conditioning device described in claim 3 or 4, which is characterized in that the air-conditioning box shell outer wall is close to receiving institute
It states and offers third opening at the position of the second heat exchanger, second heat exchanger is stretched by third opening in air-conditioning box shell,
And it is detachably mounted in air-conditioning box shell by least one of buckle, screw.
6. air-conditioning device according to claim 5, which is characterized in that the air-conditioning box further includes that setting is changed described second
The auxiliary heater in hot device downstream side, the auxiliary heater are electric heater, and the First Heat Exchanger and the second heat exchanger are
Micro-channel heat exchanger.
7. air-conditioning device according to claim 6, which is characterized in that the downstream of the First Heat Exchanger is provided with first
Air duct is divided into two-way, passes through described second all the way by wind passage mouth and the second wind passage mouth, first wind passage mouth and the second wind passage mouth
Wind passage mouth is connected to air duct where the second heat exchanger, and another way bypasses second heat exchanger, institute by first wind passage mouth
The air duct that temperature damper is arranged between the First Heat Exchanger and the second heat exchanger is stated, the temperature damper can be described
It is rotated between one wind passage mouth and the second wind passage mouth.
8. air-conditioning device according to claim 6, which is characterized in that the air supply damper includes the first air supply damper and the
Two air supply dampers, the air outlet includes the first air outlet, the second air outlet and third air outlet, close to the first air outlet
It is provided with third wind passage mouth in air duct, the 6th wind passage mouth is provided in the air duct close to the second air outlet, is sent close to third
It is provided with tendencies road junction at air port and the position adjacent with the 6th wind passage mouth, in third wind passage mouth and tendencies road junction, the 6th
The 4th wind passage mouth is provided at position between wind passage mouth；First air supply damper is arranged in third wind passage mouth and the 4th air duct
Between mouthful, second air supply damper is arranged between tendencies road junction and the 6th wind passage mouth, and the first air supply damper can be the
It is rotated between three wind passage mouths and the 4th wind passage mouth, the second air supply damper can turn between tendencies road junction and the 6th wind passage mouth
It is dynamic.
9. a kind of air conditioning for automobiles, which is characterized in that including the air-conditioning device described in any one of claim 3 to 8, the automobile
Air-conditioning further includes compressor, the first solenoid valve, second solenoid valve, third solenoid valve, gas-liquid separator, outdoor heat exchanger, unidirectional
The outlet of valve, expansion valve, the compressor is connected to by pipeline with the third external tapping on the expansion device, the 4th external tapping
Be connected to first solenoid valve by pipeline, from first solenoid valve come out after be divided into two-way, all the way with the expansion valve
Connection, the inlet communication of another way and the outdoor heat exchanger；It is divided into two-way after being come out from the outdoor heat exchanger, passes through all the way
The check valve is connected to first external tapping of the expansion device, and another way passes through the second solenoid valve, the gas
Liquid/gas separator is connected with the entrance of the compressor；It is divided into two-way after being come out from the expansion valve, passes through pipeline and institute all the way
The second interface connection of expansion device is stated, another way is entered by the third solenoid valve, gas-liquid separator with the compressor
Mouth is connected.
10. air conditioning for automobiles according to claim 9, which is characterized in that the air conditioning for automobiles includes refrigeration and heat-production functions,
In refrigeration, first solenoid valve is opened, and enters the refrigerant of the expansion device outside the described 4th from the 4th inner joint
Interface leaves expansion device；In heating, first solenoid valve is closed, and the system of the expansion device is entered from the 4th inner joint
Cryogen passes through the throttle orifice on the flow controller in the 5th interface channel to be flowed into first interface channel, and passes through institute
It states the first inner joint and flows out the expansion device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810047971.XA CN108397573B (en) | 2013-12-17 | 2013-12-17 | Air conditioning device and automobile air conditioner |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310694634.7A CN104712791B (en) | 2013-12-17 | 2013-12-17 | A kind of expansion gear, there is the expansion gear air-conditioning device and air conditioning for automobiles |
| CN201810047971.XA CN108397573B (en) | 2013-12-17 | 2013-12-17 | Air conditioning device and automobile air conditioner |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310694634.7A Division CN104712791B (en) | 2013-12-17 | 2013-12-17 | A kind of expansion gear, there is the expansion gear air-conditioning device and air conditioning for automobiles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108397573A true CN108397573A (en) | 2018-08-14 |
| CN108397573B CN108397573B (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810047971.XA Active CN108397573B (en) | 2013-12-17 | 2013-12-17 | Air conditioning device and automobile air conditioner |
| CN201310694634.7A Active CN104712791B (en) | 2013-12-17 | 2013-12-17 | A kind of expansion gear, there is the expansion gear air-conditioning device and air conditioning for automobiles |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310694634.7A Active CN104712791B (en) | 2013-12-17 | 2013-12-17 | A kind of expansion gear, there is the expansion gear air-conditioning device and air conditioning for automobiles |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397573B (en) * | 2013-12-17 | 2020-04-28 | 浙江三花汽车零部件有限公司 | Air conditioning device and automobile air conditioner |
| CN114379312A (en) * | 2020-10-22 | 2022-04-22 | 法雷奥汽车空调湖北有限公司动力总成热系统分公司 | Fluid guiding device, method of manufacturing a fluid guiding device and thermal management assembly |
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| CN1749622A (en) * | 2004-08-06 | 2006-03-22 | 马克阀门公司 | Rapid response solenoid for electromagnetic operated valve |
| US20070193629A1 (en) * | 2006-02-17 | 2007-08-23 | Emerson Electric Co. | Thermostatic expansion valve with check valve |
| CN101101064A (en) * | 2006-07-07 | 2008-01-09 | 浙江三花制冷集团有限公司 | Thermal expansion valve |
| CN101726139A (en) * | 2008-10-17 | 2010-06-09 | 浙江三花汽车控制系统有限公司 | Thermostatic expansion valve |
| CN102538316A (en) * | 2011-12-04 | 2012-07-04 | 浙江三花汽车零部件股份有限公司 | Thermal expansion valve |
| CN104712791A (en) * | 2013-12-17 | 2015-06-17 | 杭州三花研究院有限公司 | Expansion device, air conditioner device with same and car air conditioner |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110108026A (en) * | 2010-03-26 | 2011-10-05 | 학교법인 두원학원 | Expansion valve for an air-conditioner of a vehicle |
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- 2013-12-17 CN CN201810047971.XA patent/CN108397573B/en active Active
- 2013-12-17 CN CN201310694634.7A patent/CN104712791B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1749622A (en) * | 2004-08-06 | 2006-03-22 | 马克阀门公司 | Rapid response solenoid for electromagnetic operated valve |
| US20070193629A1 (en) * | 2006-02-17 | 2007-08-23 | Emerson Electric Co. | Thermostatic expansion valve with check valve |
| CN101101064A (en) * | 2006-07-07 | 2008-01-09 | 浙江三花制冷集团有限公司 | Thermal expansion valve |
| CN101726139A (en) * | 2008-10-17 | 2010-06-09 | 浙江三花汽车控制系统有限公司 | Thermostatic expansion valve |
| CN102538316A (en) * | 2011-12-04 | 2012-07-04 | 浙江三花汽车零部件股份有限公司 | Thermal expansion valve |
| CN104712791A (en) * | 2013-12-17 | 2015-06-17 | 杭州三花研究院有限公司 | Expansion device, air conditioner device with same and car air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108397573B (en) | 2020-04-28 |
| CN104712791B (en) | 2018-02-27 |
| CN104712791A (en) | 2015-06-17 |
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